1 2006-12-11 Jan Hubicka <jh@suse.cz>
3 Move all varpool routines out of cgraph/cgraphunit to varpool.c
4 * cgraph.c: Update comments.
6 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
7 cgraph_varpool_node_name, cgraph_varpool_node,
8 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
9 cgraph_variable_initializer_availability): Move to
10 varpool.c and drop cgraph_ prefixes.
11 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
12 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
13 move to varpool.c; drop cgraph_ prefix; make static.
14 (dump_cgraph_varpool_node): Move to varpool.c under name
16 (dump_varpool, hash_varpool_node, eq_varpool_node,
17 decide_is_variable_needed): Move to varpool.c
18 (decl_assembler_name_equal): Move to tree.c.
19 (availability_names): Rename to ...
20 (cgraph_availability_names): ... this one.
21 (dump_cgraph_node): Update.
22 * cgraph.h: Reorder declarations now in varpool.c
23 (cgraph_vailablity_names): Declare.
24 (struct cgraph_varpool_node): Rename to ...
25 (struct varpool_node): ... this one.
26 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
27 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
28 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
29 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
30 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
31 cgraph_variable_initializer_availability): Rename to ...
32 (varpool_first_unanalyzed_node, varpool_nodes_queue,
33 varpool_first_unanalyzed_node, varpool_node,
34 varpool_node_for_asm, varpool_mark_needed_node,
35 varpool_finalize_decl, varpool_enqueue_needed_node,
36 varpool_assemble_pending_decls, variable_initializer_availability):
38 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
39 * tree.h (decl_assembler_name_equal): Declare.
40 * omp-low.c (lower_omp_critical): Update.
41 * ipa-reference (analyze_variable, static_execute): Likewise.
42 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
43 * cgraphunit.c: Update comments.
44 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
45 varpool_assembled_nodes_queue.
46 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
47 varpool_analyze_pending_decls.
48 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
49 varpool_remove_unreferenced_decls.
50 (record_reference): Update.
51 (cgraph_create_edges): Update.
52 (record_referneces_in_initializer): New function.
53 (cgraph_varpool_assemble_decl): Move to varpool.c under name
54 varpool_assemble_decl; make global.
55 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
56 varpool_assemble_pending_decls.
57 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
58 struct cgraph_order_sort, cgraph_output_in_order,
59 cgraph_function_and_variable_invisibility, cgraph_optimize,
60 cgraph_increase_alignment): Update.
61 * dwarf2out.c (decls_for_scope): Likewise.
62 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
63 * except.c (output_ttype): Likewise.
64 * varasm.c (mark_decl_referenced): Likewise.
65 (find_decl_and_mark_referenced, assemble_alias): update.
66 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
67 * passes.c (rest_of_decl_compilation): Update.
69 2006-12-11 Ira Rosen <irar@il.ibm.com>
71 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
73 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
74 (vect_setup_realignment): Likewise.
76 2006-12-11 Sa Liu <saliu@de.ibm.com>
77 Ben Elliston <bje@au.ibm.com>
79 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
80 (ENDFILE_SPEC): Likewise.
81 * config/spu/spu.opt (mstdmain): New option.
82 * config/spu/crti.asm: Remove.
83 * config/spu/crtn.asm: Likewise.
84 * config/spu/crt0.c: Likewise.
85 * config/spu/crtend.c: Likewise.
86 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
88 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
89 * doc/invoke.texi (SPU Options): Document -mstdmain.
91 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
93 * doc/loop.texi: Document number_of_latch_executions and
94 number_of_cond_exit_executions.
95 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
96 chrec_is_positive, number_of_iterations_for_all_loops,
97 scev_const_prop): Use number_of_latch_executions.
98 (set_nb_iterations_in_loop): Do not increase the value of the
100 (number_of_iterations_in_loop): Renamed to ...
101 (number_of_latch_executions): ... this.
102 (number_of_exit_cond_executions): New function.
103 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
105 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
106 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
107 number_of_latch_executions.
108 * tree-data-ref.c (get_number_of_iters_for_loop): Use
109 number_of_exit_cond_executions.
110 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
111 * cfgloop.h (struct loop): Improve description of the nb_iterations
114 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
116 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
117 (tree_pointer_compare): Remove.
119 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
121 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
122 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
123 * tree-loop-linear.c (linear_transform_loops): Ditto.
124 * tree-ssa-loop-im.c (determine_lsm): Ditto.
125 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
126 free_numbers_of_iterations_estimates): Ditto.
127 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
128 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
129 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
130 * modulo-sched.c (sms_schedule): Ditto.
131 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
132 tree_unroll_loops_completely): Ditto.
133 * predict.c (predict_loops): Ditto.
134 * tree-if-conv.c (main_tree_if_conversion): Ditto.
135 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
136 decide_unrolling_and_peeling): Ditto.
137 * cfgloopmanip.c (unloop): Use delete_loop.
138 (place_new_loop): Access larray vector instead of parray.
139 (create_preheaders, force_single_succ_latches,
140 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
141 * loop-doloop.c (doloop_optimize_loops): Ditto.
142 * loop-invariant.c (move_loop_invariants): Ditto.
143 * tree-cfg.c (replace_uses_by): Ditto.
144 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
145 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
147 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
149 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
150 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
151 get_loop and get_chrec_loop.
152 (number_of_iterations_for_all_loops): Use number_of_loops.
153 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
154 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
155 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
157 * tree-chrec.c (evolution_function_is_invariant_rec_p,
158 chrec_convert_1): Use get_loop and get_chrec_loop.
159 * loop-init.c (loop_optimizer_init): Use number_of_loops.
160 (loop_optimizer_init): Use FOR_EACH_LOOP.
161 * tree-vectorizer.c (vect_loops_num): Removed.
162 (vectorize_loops): Store number of loops locally. Use
163 FOR_EACH_LOOP and get_loop.
164 * tree-vectorizer.h (vect_loops_num): Removed.
165 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
166 (find_data_references_in_loop): Do not set parallel_p.
167 * tree-data-ref.h: Do not declare VEC(loop_p).
168 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
169 verify_loop_structure): Use FOR_EACH_LOOP.
170 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
171 (initialize_loops_parallel_p): Removed.
172 (flow_loops_find): Push the loops into a vector.
173 (delete_loop): New function.
174 (cancel_loop): Use delete_loop.
175 * cfgloop.h: Declare VEC(loop_p).
176 (struct loop): Remove parallel_p field.
177 (struct loops): Replace num and parray field by larray vector.
178 Remove shared_headers field.
179 (delete_loop): Declare.
180 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
182 * doc/loop.tex: Document new accessor functions.
184 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
186 * common.opt (-ftree-lrs): Remove live range splitting option.
187 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
188 * opts.c (decode_options): Remove flag_tree_live_range_split.
189 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
190 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
191 * tree-outof-ssa.c: Remove header files which aren't needed.
192 (SSANORM_*): Remove flags.
193 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
194 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
195 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
196 (assign_vars): Use Basevar instead of root_var structure.
197 (replace_def_variable): Dont do anything if def is replaceable.
198 (remove_ssa_form): Integrate functional changes.
199 (rewrite_out_of_ssa): Remove live-range_split option.
200 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
201 (coalesce_cost): Calculate the cost of a coalesce.
202 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
203 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
204 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
205 (pop_best_coalesce): Remove the best coalesce from the list.
206 (coalesce_pair_map_hash): Calculate coalesce pair hash.
207 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
208 (create_coalesce_list): Create a coalesce list object.
209 (delete_coalesce_list): Free a coalesce list object.
210 (find_coalesce_pair): Find matching pair in the coalesce list.
211 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
212 (add_coalesce): Add a coalesce to the coalesce list.
213 (compare_pairs): Comparision function to determine pair sorted order.
214 (num_coalesce_pairs): Number of coalesced pairs.
215 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
216 Coalesce pair iterator functions.
217 (sort_coalesce_list): Sort coalesce pairs in order of expense.
218 (dump_coalesce_list): Show coalesce list.
219 (ssa_conflicts_new): Create an SSA conflict graph.
220 (ssa_conflicts_delete): Delete an SSA conflict graph.
221 (ssa_conflicts_test_p): Test for conflicts.
222 (ssa_conflicts_add_one): Add a single conflict.
223 (ssa_conflicts_add): Add a conflict pair.
224 (ssa_conflicts_merge): Merge conflicts.
225 (struct live_track_d): Struct for tracking live partitions.
226 (new_live_track): Create new live_track object.
227 (delete_live_track): Delete a live_track object.
228 (live_track_remove_partition): Remove a partition from the live list.
229 (live_track_add_partition): Add a partition from the live list.
230 (live_track_clear_var): Take VAR from the live list.
231 (live_track_live_p): Is var live?
232 (live_track_process_use): Make var come alive.
233 (live_track_process_def): Make var go dead, add conflicts.
234 (live_track_init): Initialize to a live on exit set.
235 (live_track_clear_base_vars): Clear live partitions.
236 (build_ssa_conflict_graph): Build a conflict graph.
237 (print_exprs): Common debug output routine.
238 (abnormal_corrupt): Output info about a failed coalesce across an
240 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
241 (create_outofssa_var_map): Create a var map and coalesce list.
242 (attempt_coalesce): Coalesce a pair.
243 (coalesce_partitions): Coalesce all pairs in a coalesce list.
244 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
245 * tree-ssa-live.c: Remove header files which aren't needed.
246 (var_map_base_init): New. Initialize a basevar list.
247 (var_map_base_fini): New. Finish a basevar list.
248 (init_var_map): Initialize new fields.
249 (delete_var_map): Free new fields.
250 (var_union): Use renamed fields.
251 (compact_var_map): Remove.
252 (partition_to_view_init): Use renamed fields, change order of an if.
253 (partition_view_fini): Use renamed fields.
254 (partition_view_normal): Create basevar list if requested.
255 (partition_view_bitmap): Create a view based on a bitmap of partitions.
256 (change_partition_var): Use renamed fields.
257 (create_ssa_var_map): Remove.
258 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
259 root_var_init): Remove.
260 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
261 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
262 compare_pairs, num_coalesce_pairs, first_partition_pair,
263 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
264 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
265 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
266 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
267 (dump_var_map): Use renamed fields.
268 * tree-ssa-live.h (struct _var_map): Modify fields.
269 (partition_to_var, version_to_var, var_to_partition): Use renamed
271 (basevar_index): New. Index of the base variable of a partition.
272 (num_basevars): New. Number of unique base variables in partition map.
273 (register_ssa_partition): Use renamed fields.
274 (struct tree_partition_associator_d): Remove.
275 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
276 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
277 root_var, root_var_first_partition, root_var_next_partition,
278 root_var_dump, root_var_delete, root_var_remove_partition,
279 root_var_find, root_var_compact, root_var_decompact): Remove.
280 (struct partition_pair, struct coalesce_list_d): Moved to
282 * tree-ssa-ter.c: Remove header files which aren't needed.
284 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
286 * cse.c: (struct cse_basic_block_data): Remove LAST field.
287 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
289 (cse_visited_basic_blocks): New static bitmap.
290 (cse_end_of_basic_block, cse_basic_block): Remove.
291 (cse_find_path, cse_dump_path, cse_prescan_path,
292 cse_extended_basic_block): New static functions.
293 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
294 basic block boundaries. Don't record jump equivalences here.
295 Update the CFG after doing in-place replacement of the SET_SRC.
296 (cse_main): Rewrite. Look for extended basic block headers
297 and call cse_extended_basic_block on them until all paths that
298 start at this header are exhausted.
299 (rest_of_handle_cse): Verify that the CFG is incrementally updated
300 and correct after cse_main.
301 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
302 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
303 (pass_cse): Add TODO_verify_flow.
304 (pass_cse2): Likewise.
306 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
308 * reload1.c (choose_reload_regs): Don't set byte offset when
309 resolving subregs of hard regs.
311 2006-12-09 Zack Weinberg <zackw@panix.com>
313 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
314 suitable for the language, if set_yydebug is true.
315 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
316 YYDEBUG or declare yydebug.
317 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
319 2006-12-09 Jan Hubicka <jh@suse.cz>
321 * cgraph.c: Update copyright.
323 (cgraph_update_pending_function): Remove prototype.
324 * cgraphunit.c: Update copyright; update overall comment.
325 (cgraph_assemble_pending_functions): Make local.
327 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
329 * haifa-sched.c (schedule_block): Remove excessive sanity check.
331 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
333 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
335 (cpat_const_p, gen_cpat_const): Add.
336 * config/spu/spu.c (immediate_class): New enum.
337 (cpat_info, classify_immediate): New.
338 (print_operand): Use S, D, T instead of F, G, H. Use
339 classify_immediate. Handle cpat cases.
340 (spu_split_immediate): Renamed from spu_split_address. Split all
341 immediates that can be split.
342 (immediate_load_p): Use classify_immediate.
343 (spu_legitimate_constant_p): Accept everything except some cases of
345 (spu_expand_move): Use spu_split_immedate.
346 (fsmbi_const_p): Use classify_immediate.
348 (gen_cpat_const: New.
349 * config/spu/constraints.md (j,k,l): New constraints for cpat
351 * config/spu/spu.md (unnamed splitter): Change address splitter to
352 handle all immediates.
353 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
355 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
358 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
361 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
362 patterns. Correct length of high:DI instruction sequence.
364 2006-12-08 Mike Stump <mrs@apple.com>
366 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
367 libgcc with -mmacosx-version-min=10.4.
368 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
369 G4 for 10.5+ unless doing kernel builds.
371 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
374 * reg-stack.c (convert_regs_entry): Mark current argument passing
377 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
378 of float arguments in x87 registers.
380 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
382 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
384 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
386 * recog.c (mode_dependent_address_p): Identify pre-increment,
387 pre-decrement, post-increment and post-decrement addressing as always
388 being mode-dependent.
389 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
390 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
391 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
392 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
393 PRE_INC and POST_INC checks.
394 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
395 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
396 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
397 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
398 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
399 PRE_INC, POST_DEC and POST_INC cases.
400 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
401 Delete POST_INC and PRE_DEC cases.
402 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
404 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
405 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
407 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
408 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
409 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
410 PRE_INC and PRE_DEC cases.
411 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
412 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
413 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
414 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
415 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
416 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
417 auto-increment cases.
418 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
419 auto-increment cases.
420 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
422 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
424 * Makefile.in: Add new file tree-ssa-ter.c.
425 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
426 free_temp_expr_table, add_value_to_version_list,
427 add_value_to_partition_list, remove_value_from_partition_list,
428 add_dependence, check_replaceable, finish_expr, mark_replaceable,
429 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
430 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
431 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
433 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
434 (struct value_expr_d): Remove.
435 (struct temp_expr_table_d): Rename fields, add explicit vector of
436 replaceable expressions instead of sharing. Change value_expr_p's to
437 bitmap. Delete free_list.
438 (new_temp_expr_table): Rename fields, count number of ssa_names in
440 (free_temp_expr_table): Rename field, free new fields.
441 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
442 add_info_to_list, remove_value_from_list): Delete.
443 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
444 (make_dependent_on_partition): New. Set bit in version list, allocating
446 (add_to_partition_kill_list): New. Set bit in the partition list,
447 allocating a bitmap if need be.
448 (remove_from_partition_kill_list): New. Remove a bit from the
449 partition list, free the bitmap if it is empty.
450 (add_dependence): Use renamed field, cleanup. Don't add a dependence
451 on partitions with only one member.
452 (is_replaceable_p): New. Split out replaceability check from
454 (process_replaceable): New. Code split from check_replaceable.
455 (check_replaceable): Removed.
456 (finished_with_expr): Renamed from finish_expr.
457 (kill_expr): Use renamed fields and less parameters.
458 (kill_virtual_exprs): Less parameters.
459 (mark_replaceable): Use renamed fields.
460 (find_replaceable_in_bb): Use renamed fields, cleanup.
461 (find_replaceable_exprs): Use renamed routines, cleanup.
462 (dump_replaceable_exprs): Don't go past end of ssa_names list.
463 (debug_ter): New. Debug routine to dump state.
465 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
467 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
468 anything involving the GOT.
469 (bfin_adjust_cost): Don't take the REGNO of a MEM.
470 (trapping_loads_p): Look inside the pattern of an insn to find the
472 * config/bfin/bfin.md (attr "type"): Add movcc.
473 (insn_reservation "alu"): Likewise.
474 (movsicc_insn1, movsicc_insn2): Change type to movcc.
476 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
478 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
479 (spu_resolve_overloaded_builtin): Check for non scalar instead
480 of vector type and check the function call argument type also for
482 Call build_function_call instead of spu_build_overload_builtin.
484 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
486 * config/spu/spu.c (array_to_constant): Correct the order of arguments
487 to the calls of hwint_to_const_double.
489 2006-12-07 Nick Clifton <nickc@redhat.com>
491 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
492 elf_record_gcc_switches.
494 2006-12-07 Andrew Macleod <amacleod@redhat.com>
496 * expr.c (string_constant): Account for non-zero lower bound arrays.
498 2006-12-07 Richard Guenther <rguenther@suse.de>
500 * builtins.c (expand_builtin_pow): Adjust predicates for
501 pow to cbrt expansion to unsafe math and !HONOR_NANS for
504 2006-12-07 Jan Hubicka <jh@suse.cz>
506 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
509 2006-12-07 Jan Hubicka <jh@suse.cz>
511 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
512 use fold_constant_to_binary; tolerate wrong type constants.
513 (value_intersect_p): Do just two tests.
515 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
517 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
518 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
519 lshifthi3): Use it, and fix the order of alternatives.
521 2006-12-07 Nick Clifton <nickc@redhat.com>
523 * common.opt (record-gcc-switches): New command line switch.
524 * target.h (print_switch_type): New enum.
525 (print_switch_fn_type): New typedef for a function pointer.
526 (struct gcc_target): Add record_gcc_switches and
527 record_gcc_switches_section fields.
528 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
530 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
532 * toplev.c (print_single_switch): Simplify by providing a
533 pointer to function that will format and output the switch
535 (print_switch_values): Likewise.
536 (print_to_asm_out_file): New function.
537 (print_to_stderr): New function.
538 (init_asm_output): If flag_record_gcc_switches is set then if
539 the target supports recording the switches then emit them into
540 the assembler output file, otherwise tell the user that the
541 switch is not supported.
542 * varasm.c (eld_record_gcc_switches): New function. Example
543 handler for the record_gcc_switches target hook.
544 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
546 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
547 * doc/invoke.texi (-frecord-gcc-switches): Document.
549 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
552 * sched-rgn.c (add_block1): Use correct initializer.
554 2006-12-07 Richard Guenther <rguenther@suse.de>
556 * tree-vect-transform.c (vectorizable_call): Fix leftover of
557 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
559 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
562 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
563 not GIMPLE_MODIFY_STMT.
565 2006-12-06 Jan Hubicka <jh@suse.cz>
567 * tree-vrp.c (operand_less_p): New.
568 (compare_values, value_inside_range): Rewrite in terms of
571 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
573 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
575 (length_immediate): Do not depend on cld type attribute.
576 (length_address): Ditto.
579 (cld): Remove insn pattern.
580 (strmov_singleop): Do not use DIRFLAG_REG.
581 (*strmovdi_rex_1): Ditto.
582 (*strmovsi_1): Ditto.
583 (*strmovsi_rex_1): Ditto.
584 (*strmovhi_1): Ditto.
585 (*strmovhi_rex_1): Ditto.
586 (*strmovqi_1): Ditto.
587 (*strmovqi_rex_1): Ditto.
589 (*rep_movdi_rex64): Ditto.
591 (*rep_movsi_rex64): Ditto.
593 (*rep_movqi_rex64): Ditto.
594 (strset_singleop): Ditto.
595 (*strsetdi_rex_1): Ditto.
596 (*strsetsi_1): Ditto.
597 (*strsetsi_rex_1): Ditto.
598 (*strsethi_1): Ditto.
599 (*strsethi_rex_1): Ditto.
600 (*strsetqi_1): Ditto.
601 (*strsetqi_rex_1): Ditto.
603 (*rep_stosdi_rex64): Ditto.
604 (*rep_stossi): Ditto.
605 (*rep_stossi_rex64): Ditto.
606 (*rep_stosqi): Ditto.
607 (*rep_stosqi_rex64): Ditto.
608 (cmpstrnsi): Do not generate cld insn.
609 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
610 (*cmpstrnqi_nz_1): Ditto.
611 (*cmpstrnqi_nz_rex_1): Ditto.
612 (cmpstrnqi_1): Ditto.
613 (*cmpstrnqi_1): Ditto.
614 (*cmpstrnqi_rex_1): Ditto.
616 (*strlenqi_1): Ditto.
617 (*strlenqi_rex_1): Ditto.
619 * config/i386/geode.md (shift): Do not depend on cld type attribute.
620 * config/i386/pentium.md (pent_cld): Remove insn reservation.
621 * config/i386/athlon.md (athlon_decode): Do not depend on cld
623 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
624 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
626 (k6_alux_only_load): Ditto.
627 (k6_alux_only_store): Ditto.
629 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
630 Do not emit cld instruction.
631 (ix86_expand_setmem): Ditto.
632 (ix86_expand_strlen): Do not emit cld instruction.
634 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
636 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
639 2006-12-06 Diego Novillo <dnovillo@redhat.com>
641 * gdbinit.in: Set complaints to 0.
643 2006-12-06 Jan Hubicka <jh@suse.cz>
645 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
646 ALONE_MEM_STAT_DECL): New macros.
647 * bitmap.h: Include statistics.h
648 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
649 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
650 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
651 * bitmap.c: Include hashtab.h
652 (bitmap_descriptor): New.
653 (bitmap_hash): New static variable
654 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
655 New static functions.
656 (bitmap_register): New.
657 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
658 bitmap_obstack_release): Do accounting.
659 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
661 (bitmap_gc_alloc_stat): Likewise.
662 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
663 (print_statistics, dump_bitmap_statistics): New functions.
664 * toplev.c (finalize): Dump bitmap statistics.
666 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
668 * reload1.c (delete_output_reload): Count occurrences in
669 CALL_INSN_FUNCTION_USAGE.
670 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
671 crashing at the end of the list.
673 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
675 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
676 Optimize to avoid marking more SMT's as used when they aren't.
678 2006-12-05 Eric Christopher <echristo@apple.com>
680 * config/i386/i386.c (x86_output_aligned_bss): Move out
681 of COMMON_ASM_OP ifdef.
683 2006-12-05 Eric Christopher <echristo@apple.com>
685 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
686 (STARTFILE_SPEC): Use.
687 (DARWIN_DYLIB1_SPEC): New.
688 (DARWIN_CRT1_SPEC): New.
689 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
691 * config/i386/darwin.h: Ditto.
692 * config/rs6000/darwin.h: Ditto.
694 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
696 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
697 * tree-complex.c (pass_lower_complex): Ditto.
698 * tree-ssa-ccp.c (pass_ccp): Ditto.
699 (pass_store_ccp): Ditto.
700 * tree-ssa-dom.c (pass_dominator): Ditto.
701 (pass_phi_only_cprop): Ditto.
702 * tree-sra.c (pass_sra): Ditto.
703 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
704 * tree-flow.h (updating_used_alone): Remove.
705 (updating_used_alone): Ditto.
706 * tree-ssa-alias.c (updating_used_alone): Remove variable.
707 (lhs_may_store_to): Remove function.
708 (recalculate_used_alone): Ditto.
709 (compute_may_aliases): Remove used_alone calculation.
710 * tree.h (struct tree_memory_tag): Remove is_used_alone and
711 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
712 * tree-pass.h (PROP_smt_usage): Remove.
713 * passes.c (execute_todo): Remove used alone recalculation.
714 (execute_one_pass): Ditto.
715 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
718 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
720 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
722 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
724 PR tree-optimization/14784
725 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
727 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
729 Merge from gimple-tuples-branch.
731 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
733 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
735 (s390_gimplify_va_arg): Same.
736 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
737 * config/sh/sh.c (sh_va_start): Same.
738 (sh_gimplify_va_arg_expr): Same.
739 * config/xtensa/xtensa.c (xtensa_va_start): Same.
740 (xtensa_gimplify_va_arg_expr): Same.
741 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
742 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
743 * config/mips/mips.c (mips_va_start): Same.
744 (mips_gimplify_va_arg_expr): Same.
746 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
748 * Merge from mainline at revision 119445.
750 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
752 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
754 (spu_gimplify_va_arg_expr): Same.
756 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
758 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
759 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
760 (xstormy16_expand_builtin_va_arg): Same.
762 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
764 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
765 to GIMPLE_MODIFY_STMT.
767 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
769 * config/alpha/alpha.c (va_list_skip_additions): Change all
770 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
771 (alpha_va_start): Same.
772 (alpha_gimplify_va_arg_1): Same.
773 (alpha_gimplify_va_arg): Same.
775 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
777 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
779 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
781 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
782 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
784 * tree-complex.c: Same.
785 * tree-pretty-print.c: Same.
789 * fold-const.c: Same.
790 * tree-ssa-dom.c: Same.
791 * tree-ssa-propagate.c: Same.
792 * tree-ssa-alias.c: Same.
793 * gimple-low.c: Same.
795 * c-pretty-print.c: Same.
797 * tree-inline.c: Same.
798 * tree-outof-ssa.c: Same.
799 * tree-ssa-structalias.c: Same.
800 * tree-ssa-reassoc.c: Same.
803 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
805 * tree.c (build2_stat): Fix comment.
807 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
809 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
810 TREE_OPERAND when appropriate.
812 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
814 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
815 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
816 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
817 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
818 not handle GIMPLE_MODIFY_STMT in the switch statement.
819 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
820 (java_gimplify_new_array_init): Same.
822 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
824 * gimplify.c (gimplify_omp_for): Allow gimple statements.
825 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
826 * fold-const.c (fold_binary): Allow gimple statements.
828 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
829 Rename from gfc_conv_descriptor_data_set.
830 Call gfc_add_modify instead of gfc_add_modify_expr.
831 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
832 Rename from gfc_conv_descriptor_data_set.
833 (gfc_conv_descriptor_data_set): New macro.
834 (gfc_conv_descriptor_data_set_tuples): New macros.
835 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
836 gfc_conv_descriptor_data_set_tuples.
837 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
838 Generate GIMPLE_MODIFY_STMT when appropriate.
839 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
840 (gfc_add_modify_expr): New macro.
841 (gfc_add_modify_stmt): New macro.
842 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
844 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
846 * Merge from mainline at revision 118200.
848 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
850 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
853 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
855 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
857 Also, add __extension__ to GCC versions.
858 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
859 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
862 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
864 * tree-complex.c (expand_complex_libcall): Adjust for
866 (expand_complex_comparison): Same.
867 * tree-pretty-print.c (dump_generic_node): Is_expr should include
868 GIMPLE_STMT_P statements.
869 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
871 (tree_mod_pow2_value_transform): Same.
872 (tree_mod_subtract_transform): Same.
873 * tree.c (build2_stat): Check for gimplified function in cfun.
874 * tree.h (DECL_GIMPLIFIED): Delete.
875 (struct tree_function_decl): Remove gimplified_flag.
876 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
877 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
878 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
879 (cxx_omp_clause_copy_ctor): Same.
880 (cxx_omp_clause_assign_op): Same.
881 * c-pretty-print.c (pp_c_conditional_expression): Same.
882 (pp_c_expression): Same.
883 * langhooks.c (lhd_omp_predetermined_sharing): Same.
884 * function.h (struct function): Add gimplified field.
885 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
887 (find_phi_replacement_condition): Same.
888 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
889 (gimplify_modify_expr_to_memset): Same.
890 (gimplify_init_ctor_eval_range): Same.
891 (gimplify_modify_expr_complex_part): Same.
892 (tree_to_gimple_tuple): Same.
893 (gimplify_modify_expr): Same.
894 (gimple_push_cleanup): Same.
895 (gimplify_omp_for): Same.
896 (gimplify_omp_atomic_pipeline): Same.
897 (gimplify_omp_atomic_mutex): Same.
898 (gimplify_expr): Same.
899 (gimplify_one_sizepos): Same.
900 (gimplify_function_tree): Same.
901 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
902 (vect_recog_widen_sum_pattern): Same.
903 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
904 (vect_create_epilog_for_reduction): Same.
905 (vectorizable_reduction): Same.
907 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
909 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
910 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
911 (ifc_temp_var): Same.
912 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
913 for gimple statements.
914 (vect_analyze_operations): Same.
915 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
916 * gimplify.c (gimplify_return_expr): Handle gimple statements.
917 * lambda-code.c (can_put_in_inner_loop): Same.
918 (can_put_after_inner_loop): Same.
919 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
920 (vect_create_data_ref_ptr): Same.
921 (vect_init_vector): Same.
922 (vect_get_vec_def_for_operand): Same.
923 (vect_create_epilog_for_reduction): Same.
924 (vectorizable_reduction): Same.
925 (vectorizable_assignment): Same.
926 (vectorizable_operation): Same.
927 (vectorizable_load): Same.
928 (vectorizable_condition): Same.
929 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
930 (rs6000_gimplify_va_arg): Same.
932 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
934 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
936 (simplify_abs_using_ranges): Same.
937 * tree-complex.c (expand_complex_operations_1): Use
938 PROTECTED_TREE_OPERAND.
939 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
941 (get_val_for): Use GIMPLE_STMT_OPERAND.
942 * tree-tailcall.c (adjust_accumulator_values): Same.
943 (adjust_return_value): Same.
944 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
945 case. Remove special case for tcc_gimple_stmt.
946 * tree.h (CAN_HAVE_LOCATION_P): New.
947 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
949 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
950 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
951 * tree-nrv.c (execute_return_slot_opt): Same.
952 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
953 * tree-vn.c (set_value_handle): Same.
954 (get_value_handle): Same.
955 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
956 * tree-vectorizer.c (find_loop_location): Same.
957 * c-typeck.c (c_process_expr_stmt): Same.
958 (c_finish_stmt_expr): Same.
959 * gimplify.c (should_carry_locus_p): Same.
960 (tree_to_gimple_tuple): Delete definition and use of unecessary
961 variable save_tree_block.
962 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
963 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
964 (realify_fake_stores): Same.
965 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
967 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
968 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
969 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
970 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
971 (c_parser_statement_after_labels): Same.
972 (c_parser_paren_condition): Same.
973 (c_parser_for_statement): Same.
974 (c_parser_omp_for_loop): Same.
975 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
976 (linearize_expr_tree): Same.
977 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
978 * function.c (instantiate_expr): Same.
980 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
982 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
983 (set_expr_location): Same.
985 (set_expr_locus): Same.
986 (expr_filename): Same.
988 (tree_block): Use GIMPLE_STMT_BLOCK.
989 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
990 * tree.h (struct gimple_stmt): Remove prev and next.
991 (GIMPLE_STMT_OPERAND_CHECK): New.
992 (TREE_TO_GIMPLE_STMT): Delete.
993 (GIMPLE_STMT_TO_TREE): Delete.
994 (GIMPLE_STMT_OPERAND): Use union, not cast.
995 (GIMPLE_STMT_LOCUS): New.
996 (GIMPLE_STMT_BLOCK): New.
997 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
999 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
1001 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
1003 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
1005 * tree-tailcall.c (adjust_return_value): Same.
1006 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
1007 (copy_node_stat): Change common.base to base.
1008 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
1009 Remove GIMPLE_STATEMENT_LIST case.
1010 * tree.h (struct gimple_stmt): Make operands of type tree.
1011 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1012 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1013 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1014 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1015 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
1016 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1017 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1018 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
1019 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
1020 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
1021 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1022 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
1023 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
1024 Change common.base to base.
1025 (GIMPLE_STATEMENT_LIST*): Remove.
1026 (union tree_node): Add base. Remove gimple_statement_list.
1027 Remove pointer from gstmt.
1028 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
1029 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
1030 * tree-vn.c (vn_compute): Change common.base to base.
1031 * tree-eh.c (verify_eh_throw_stmt_node): Same.
1032 * tree-flow-inline.h (var_ann): Same.
1033 (function_ann): Same.
1035 (mark_non_addressable): Same.
1036 * gimplify.c (tree_to_gimple_tuple): Same.
1037 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
1038 * tree-dfa.c (create_var_ann): Change common.base to base.
1039 (create_function_ann): Same.
1040 (create_stmt_ann): Same.
1041 (create_tree_ann): Same.
1042 (collect_dfa_stats_r): Same.
1043 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
1044 * tree-ssa-dce.c (NECESSARY): Same.
1045 * tree-ssa.c (delete_tree_ssa): Same.
1046 * tree-optimize.c (execute_free_cfg_annotations): Same.
1047 * tree-flow.h: Same.
1049 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
1051 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
1052 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
1054 * tree.h (struct gimple_stmt): Add prev and next fields.
1055 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
1056 (GIMPLE_STATEMENT_LIST_HEAD): New.
1057 (GIMPLE_STATEMENT_LIST_TAIL): New.
1058 (struct gimple_statement_list): New.
1059 (union tree_node): Add gimple_stmt_list and gstmt.
1060 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
1061 * tree.def: Add GIMPLE_STATEMENT_LIST.
1063 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
1065 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
1066 * tree-vrp.c (build_assert_expr_for): Change uses of
1067 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1068 (find_assert_locations): Same.
1069 (remove_range_assertions): Same.
1070 (stmt_interesting_for_vrp): Same.
1071 (vrp_visit_assignment): Same.
1072 (vrp_visit_stmt): Same.
1073 (simplify_cond_using_ranges): Same.
1074 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
1076 * tree-ssa-loop-im.c (movement_possibility): Change uses of
1077 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1079 (determine_invariantness_stmt): Same.
1080 (schedule_sm): Same.
1081 (gather_mem_refs_stmt): Same.
1082 * tree-complex.c (init_dont_simulate_again): Same.
1083 (complex_visit_stmt): Same.
1084 (set_component_ssa_name): Same.
1085 (expand_complex_move): Same.
1086 (expand_complex_div_wide): Same.
1087 (expand_complex_comparison): Same.
1088 (expand_complex_operations_1): Same.
1089 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
1090 (chain_of_csts_start): Same.
1091 (infer_loop_bounds_from_undefined): Same.
1092 * tree-pretty-print.c (dump_generic_node): Same.
1094 (op_symbol_1): Same.
1095 * tree-ssa-loop-manip.c (create_iv): Same.
1096 * value-prof.c (tree_divmod_fixed_value): Same.
1097 (tree_divmod_fixed_value_transform): Same.
1098 (tree_mod_pow2): Same.
1099 (tree_mod_pow2_value_transform): Same.
1100 (tree_mod_subtract): Same.
1101 (tree_mod_subtract_transform): Same.
1102 (tree_divmod_values_to_profile): Same.
1103 * tree-tailcall.c (process_assignment): Same.
1104 (find_tail_calls): Same.
1105 (adjust_accumulator_values): Same.
1106 (adjust_return_value): Same.
1107 (eliminate_tail_call): Same.
1108 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
1109 (make_node_stat): Same.
1110 (copy_node_stat): Handle gimple tuples.
1111 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
1112 (tree_node_structure): Handle tcc_gimple_stmt.
1113 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
1115 (build2_gimple_stat): New.
1116 (expr_location): New.
1117 (set_expr_location): New.
1118 (expr_has_location): New.
1120 (set_expr_locus): New.
1121 (expr_filename): New.
1123 (walk_tree): Handle tcc_gimple_stmt.
1125 (protected_tree_operand): New.
1126 (protected_tree_type): New.
1127 (tree_code_kind): Add gimple statements.
1128 * tree.h (tree_code_class): Add tcc_gimple_stmt.
1129 (IS_GIMPLE_STMT_CODE_CLASS): New.
1130 (struct tree_base): New.
1131 (struct tree_common): Shrink.
1132 (struct gimple_stmt): New.
1133 (struct gimple_expr): New.
1134 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1135 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1136 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1137 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1138 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
1139 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1140 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1141 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
1142 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
1143 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
1144 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
1145 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1146 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
1147 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
1148 Adjust for new `common' layout.
1149 (struct tree_function_decl): Add gimplified_flag.
1150 (DECL_GIMPLIFIED): NEW.
1151 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
1152 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
1153 EXPR_HAS_LOCATION): Call corresponding function.
1154 (GIMPLE_STMT_CHECK): New.
1155 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
1156 (TREE_BLOCK): Call tree_block.
1157 (GIMPLE_STMT_P): New.
1158 (GIMPLE_TUPLE_P): New.
1159 (TREE_TO_GIMPLE_STMT): New.
1160 (GIMPLE_STMT_TO_TREE): New.
1161 (GIMPLE_STMT_OPERAND): New.
1162 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
1163 (PROTECTED_TREE_OPERAND): New.
1164 (PROTECTED_TREE_TYPE): New.
1165 (build2_gimple_stat): Protoize.
1166 (build2_gimple): New.
1167 (expr_location): Protoize.
1168 (set_expr_location): Protoize.
1169 (expr_has_location): Protoize.
1170 (expr_locus): Protoize.
1171 (set_expr_locus): Protoize.
1172 (expr_filename): Protoize.
1173 (expr_lineno): Protoize.
1174 (tree_block): Protoize.
1175 (protected_tree_operand): Protoize.
1176 (protected_tree_type): Protoize.
1177 (enum tree_node_kind): Add gimple_stmt_kind.
1178 * c-decl.c (union lang_tree_node): Tuples do not have a
1180 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
1181 GIMPLE_MODIFY_STMT and adjust accordingly.
1182 * tree-scalar-evolution.c (follow_ssa_edge): Same.
1183 (interpret_condition_phi): Same.
1184 (pointer_used_p): Same.
1185 (analyze_scalar_evolution_1): Same.
1186 (scev_const_prop): Same.
1187 (interpret_rhs_modify_stmt): Rename from
1188 interpret_rhs_modify_expr.
1189 * builtins.c (std_expand_builtin_va_start): Change uses of
1190 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1191 (std_gimplify_va_arg_expr): Same.
1192 (expand_builtin_va_copy): Same.
1193 (integer_valued_real_p): Same.
1194 * fold-const.c (maybe_lvalue_p): Same.
1196 (tree_expr_nonnegative_p): Same.
1197 (tree_expr_nonzero_p): Same.
1198 * omp-low.c (extract_omp_for_data): Same.
1199 (lower_rec_input_clauses): Same.
1200 (lower_reduction_clauses): Same.
1201 (lower_copyprivate_clauses): Same.
1202 (lower_send_clauses): Same.
1203 (lower_send_shared_vars): Same.
1204 (expand_parallel_call): Same.
1205 (expand_omp_parallel): Same.
1206 (expand_omp_for_generic): Same.
1207 (expand_omp_for_static_nochunk): Same.
1208 (expand_omp_for_static_chunk): Same.
1209 (expand_omp_sections): Same.
1210 (lower_omp_single_copy): Same.
1211 (lower_omp_parallel): Same.
1212 * tree-ssa-dse.c (memory_address_same): Same.
1213 (dse_optimize_stmt): Same.
1214 * ipa-reference.c (scan_for_static_refs): Same.
1215 * tree-gimple.c (is_gimple_reg_rhs): Same.
1216 (get_call_expr_in): Same.
1217 (recalculate_side_effects): Same.
1218 * cgraphunit.c (cgraph_create_edges): Same.
1219 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
1220 * tree-ssa-ccp.c (get_default_value): Same.
1221 (likely_value): Same.
1222 (visit_assignment): Same.
1223 (ccp_visit_stmt): Same.
1224 (get_maxval_strlen): Same.
1225 (ccp_fold_builtin): Same.
1226 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
1227 (find_givs_in_stmt): Same.
1228 (find_interesting_uses_op): Same.
1229 (find_interesting_uses_stmt): Same.
1230 (rewrite_use_nonlinear_expr): Same.
1231 * ipa-pure-const.c (scan_function): Same.
1232 * tree-stdarg.c (va_list_counter_bump): Same.
1233 (check_all_va_list_escapes): Same.
1234 (execute_optimize_stdarg): Same.
1235 * tree-ssa-math-opts.c (compute_merit): Same.
1236 (insert_reciprocals): Same.
1237 (execute_cse_reciprocals): Same.
1238 * tree-ssa-dom.c (initialize_hash_element): Same.
1239 (simple_iv_increment_p): Same.
1240 (record_equivalences_from_stmt): Same.
1241 (optimize_stmt): Same.
1242 (remove_stmt_or_phi): Same.
1243 (get_rhs_or_phi_arg): Same.
1244 (get_lhs_or_phi_result): Same.
1245 (propagate_rhs_into_lhs): Same.
1246 * tree-nrv.c (tree_nrv): Same.
1247 (execute_return_slot_opt): Same.
1248 * tree-ssa-propagate.c (get_rhs): Same.
1250 (stmt_makes_single_load): Same.
1251 (stmt_makes_single_store): Same.
1252 (replace_vuses_in): Same.
1253 (fold_predicate_in): Same.
1254 (substitute_and_fold): Same.
1255 * tree-ssa-alias.c (compute_call_clobbered): Same.
1256 (recalculate_used_alone): Same.
1257 (count_uses_and_derefs): Same.
1258 (is_escape_site): Same.
1259 (find_used_portions): Same.
1260 * gimple-low.c (lower_stmt): Same.
1261 (block_may_fallthru): Same.
1262 (lower_return_expr): Same.
1263 * tree-ssa-sink.c (is_hidden_global_store): Same.
1264 (statement_sink_location): Same.
1265 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
1266 * expr.c (safe_from_p): Same.
1267 (expand_expr_real): Same.
1268 (expand_expr_real_1): Same.
1269 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
1270 * predict.c (expr_expected_value): Same.
1271 (strip_builtin_expect): Same.
1272 (apply_return_prediction): Same.
1273 (tree_bb_level_predictions): Same.
1274 (tree_estimate_probability): Same.
1275 * tree-vn.c (vn_compute): Same.
1276 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
1277 (remove_stmt_from_eh_region_fn): Same.
1278 (do_return_redirection): Same.
1279 (honor_protect_cleanup_actions): Same.
1280 (lower_try_finally_switch): Same.
1281 (lower_eh_constructs_1): Same.
1282 (tree_could_throw_p): Same.
1283 (verify_eh_throw_stmt_node): Same.
1284 * function.c (gimplify_parameters): Same.
1285 * tree-vectorizer.c (vect_is_simple_use): Same.
1286 (vect_is_simple_reduction): Same.
1287 * ipa-type-escape.c (scan_for_refs): Same.
1288 * tree-if-conv.c (tree_if_conversion): Same.
1289 (tree_if_convert_stmt): Same.
1290 (if_convertible_gimplify_modify_stmt_p): Rename from
1291 if_convertible_modify_expr_p.
1292 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
1293 (ifc_temp_var): Same.
1294 (replace_phi_with_cond_modify_stmt): Rename from
1295 replace_phi_with_cond_modify_expr.
1296 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
1297 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
1298 * tree-data-ref.c (find_data_references_in_loop): Adjust for
1300 * tree-flow-inline.h (var_ann): Same.
1301 (function_ann): Same.
1303 (mark_non_addressable): Same.
1304 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
1305 * gimplify.c (tree_to_gimple_tuple): New.
1306 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
1307 (gimplify_return_expr): Same.
1308 (gimplify_decl_expr): Same.
1309 (gimplify_self_mod_expr): Same.
1310 (gimplify_cond_expr): Same.
1311 (gimplify_init_constructor): Same.
1312 (gimplify_modify_expr): Same.
1313 (gimplify_expr): Same.
1314 (gimplify_function_tree): Same.
1315 (force_gimple_operand): Same.
1316 * tree-ssa-phiopt.c (conditional_replacement): Same.
1317 (minmax_replacement): Same.
1318 (abs_replacement): Same.
1319 * tree-dfa.c (create_var_ann): Same.
1320 (create_function_ann): Same.
1321 (create_stmt_ann): Same.
1322 (create_tree_ann): Same.
1323 (collect_dfa_stats_r): Same.
1324 * tree-ssa-pre.c (find_or_generate_expression): Same.
1325 (create_expression_by_pieces): Same.
1326 (try_look_through_load): Same.
1327 (insert_fake_stores): Same.
1328 (realify_fake_stores): Same.
1329 (compute_avail): Same.
1332 (poolify_modify_stmt): Rename from poolify_modify_stmt.
1333 Adjust for GIMPLE_MODIFY_STMT.
1334 (NECESSARY): Adjust for new `common' layout.
1335 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
1337 * tree-sra.c (sra_walk_modify_stmt): Rename from
1338 sra_walk_modify_expr.
1339 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
1340 (generate_copy_inout): Same.
1341 (generate_element_copy): Same.
1342 (generate_element_zero): Same.
1343 (scalarize_copy): Same.
1344 * tree-mudflap.c (mf_decl_cache_locals): Same.
1345 (mf_build_check_statement_for): Same.
1346 (mf_xform_derefs): Same.
1347 * ipa-prop.c (ipa_method_modify_stmt): Same.
1348 * print-tree.c (print_node): Handle gimple tuples.
1349 Add case for tcc_gimple_stmt.
1350 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
1352 (copy_prop_visit_assignment): Same.
1353 (copy_prop_visit_stmt): Same.
1354 (init_copy_prop): Same.
1355 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
1356 (forward_propagate_into_cond_1): Same.
1357 (find_equivalent_equality_comparison): Same.
1358 (tidy_after_forward_propagate_addr): Same.
1359 (forward_propagate_addr_expr_1): Same.
1360 (simplify_not_neg_expr): Same.
1361 (simplify_switch_expr): Same.
1362 * tree-ssa-dce.c (find_pdom): Same.
1363 (mark_stmt_if_obviously_necessary): Same.
1364 (NECESSARY): Adjust for new `common' layout.
1365 * tree-flow.h: Same.
1366 * tree-vect-patterns.c (widened_name_p): Adjust for
1368 (vect_recog_dot_prod_pattern): Same.
1369 (vect_recog_widen_sum_pattern): Same.
1370 (vect_pattern_recog_1): Same.
1371 * tree-nested.c (init_tmp_var): Same.
1372 (save_tmp_var): Same.
1374 (convert_call_expr): Same.
1375 (finalize_nesting_tree_1): Same.
1376 * tree-ssa.c (verify_ssa): Same.
1377 (delete_tree_ssa): Same.
1378 * lambda-code.c (lbv_to_gcc_expression): Same.
1379 (lle_to_gcc_expression): Same.
1380 (lambda_loopnest_to_gcc_loopnest): Same.
1381 (can_put_in_inner_loop): Same.
1382 (can_convert_to_perfect_nest): Same.
1383 (perfect_nestify): Same.
1384 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
1385 * tree-inline.c (copy_body_r): Same.
1386 (setup_one_parameter): Same.
1387 (initialize_inlined_parameters): Same.
1388 (estimate_num_insns_1): Same.
1389 (expand_call_inline): Same.
1390 (gimple_expand_calls_inline): Same.
1391 (copy_tree_r): Same.
1392 * tree-optimize.c (execute_free_cfg_annotations): Same.
1393 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1394 (vect_align_data_ref): Same.
1395 (vect_create_data_ref_ptr): Same.
1396 (vect_init_vector): Same.
1397 (vect_create_epilog_for_reduction): Same.
1398 (vectorizable_reduction): Same.
1399 (vectorizable_assignment): Same.
1400 (vectorizable_operation): Same.
1401 (vectorizable_store): Same.
1402 (vectorizable_load): Same.
1403 (vectorizable_live_operation): Same.
1404 (vectorizable_condition): Same.
1405 (vect_generate_tmps_on_preheader): Same.
1406 (vect_create_cond_for_align_checks): Same.
1407 * tree-object-size.c (collect_object_sizes_for): Same.
1408 (check_for_plus_in_loops_1): Same.
1409 (check_for_plus_in_loops): Same.
1410 * tree-outof-ssa.c (insert_copy_on_edge): Same.
1411 (replace_use_variable): Same.
1412 (check_replaceable): Same.
1413 (rewrite_trees): Same.
1414 (identical_copies_p): Same.
1415 (insert_backedge_copies): Same.
1416 * tree-profile.c (tree_gen_edge_profiler): Same.
1417 * tree-vect-generic.c (expand_vector_operations_1): Same.
1418 * tree-ssa-structalias.c (update_alias_info): Same.
1419 (find_func_aliases): Same.
1420 * tree-cfg.c (factor_computed_gotos): Same.
1422 (make_goto_expr_edges): Same.
1423 (tree_merge_blocks): Same.
1424 (remove_useless_stmts_cond): Same.
1425 (remove_useless_stmts_1): Same.
1426 (tree_find_edge_insert_loc): Same.
1427 (verify_expr): Same.
1428 (gimplify_val): Same.
1429 (verify_gimple_tuples_1): New.
1430 (verify_gimple_tuples): New.
1431 (verify_stmts): Call verify_gimple_tuples.
1432 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
1433 (get_unary_op): Same.
1434 (linearize_expr): Same.
1435 (get_single_immediate_use): Same.
1436 (negate_value): Same.
1437 (should_break_up_subtract): Same.
1438 (break_up_subtract): Same.
1439 (repropagate_negates): Same.
1440 (break_up_subtract_bb): Same.
1441 (reassociate_bb): Same.
1442 * config/i386/i386.c (ix86_va_start): Same.
1443 (ix86_gimplify_va_arg): Same.
1444 * stmt.c (expand_expr_stmt): Same.
1445 (warn_if_unused_value): Same.
1446 (expand_return): Same.
1447 * tree-ssanames.c (make_ssa_name): Same.
1448 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
1449 * tree-ssa-operands.c (finalize_ssa_defs): Same.
1450 (add_virtual_operand): Same.
1451 (get_expr_operands): Same.
1452 (parse_ssa_operands): Same.
1453 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
1455 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
1457 * config.host: Remove extra blank line.
1459 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
1461 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
1462 target is also an x86 variant.
1464 2006-12-05 Richard Guenther <rguenther@suse.de>
1466 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
1467 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
1468 (ix86_builtin_vectorized_function): New function to vectorize
1471 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
1473 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
1474 ia64_override_options.
1476 2006-12-04 Jan Hubicka <jh@suse.cz>
1478 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
1481 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
1483 * rtlanal.c (note_uses): Deal with SEQUENCEs.
1484 * config/bfin/bfin.c: Include "timevar.h".
1485 (bfin_flag_schedule_insns2, splitting_for_sched,
1486 bfin_flag_var_tracking): New variables.
1487 (print_operand): Handle '%!'.
1488 (override_options): Disable normal sched2 pass, instead set
1489 bfin_flag_schedule_insns2 for reorg to handle it.
1490 (output_file_start): Likewise for var-tracking.
1491 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
1492 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
1494 (bfin_reorg): Do second scheduling pass here, and call
1495 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
1496 of examining insns directly. If bfin_flag_var_tracking, call
1497 var-tracking pass when done with everything else.
1498 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
1499 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
1500 (movsi_insn32): New pattern, with two new splits to create it
1501 before the final scheduling pass.
1502 (neghi2): Not a dsp32 insn, rather alu0.
1503 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
1504 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
1505 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
1506 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
1507 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
1508 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
1509 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
1510 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
1511 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
1512 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
1513 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
1514 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
1515 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
1516 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
1517 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
1518 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
1519 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
1520 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
1521 variants instead of ';'.
1522 (ror_one, rol_one): Likewise. Make them dsp32 insns.
1523 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
1524 (align8, align16, align24): Now named patterns; also using '%!'.
1527 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
1529 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
1530 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
1532 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1534 * config/spu/spu-protos.c (spu_split_address): Add.
1535 * config/spu/spu.c (spu_split_address): Add.
1536 (print_operand): Handle HIGH.
1537 (spu_legitimate_address): Don't test for aligned CONST.
1538 (spu_expand_mov): Don't split addresses here.
1539 * config/spu/constraints.md (A): Don't test legitimate_const.
1540 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
1541 (ceq_di): Use correct predicates.
1543 2006-12-04 Eric Christopher <echristo@apple.com>
1545 * config/darwin.h: Update copyright notice.
1546 * config/i386/darwin.h: Ditto.
1548 2006-12-04 Jan Hubicka <jh@suse.cz>
1550 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
1551 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
1553 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1555 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
1557 * tree-ssa-structalias.c (set_used_smts): Export.
1558 (find_what_p_points_to): Don't call set_used_smts here.
1559 * tree-ssa-structalias.h (set_used_smts): Add prototype.
1561 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1563 * tree-ssa-alias.c (compute_may_aliases):
1564 Compute flow sensitive before flow insensitive.
1565 (compute_flow_sensitive_aliasing): Don't try to add
1566 a symbol memory tag to itself.
1568 * alias.h (alias_set_subset_of): New prototype.
1570 * alias.c (alias_set_subset_of): New function.
1572 * tree-ssa-structalias.c: Update comments.
1573 (struct variable_info): Add finished_solution.
1574 (new_varinfo): Set finished solution to NULL.
1575 (var_escaped_vars): Remove.
1576 (escaped_vars_tree): Remove.
1577 (escaped_vars_id): Remove.
1578 (nonlocal_vars_id): Remove.
1579 (constraint_expr_type): Add INCLUDES.
1580 (graph_size): Removed.
1581 (dump_constraint): Support INCLUDES.
1582 (build_constraint_graph): Ditto.
1583 (collapse_nodes): Add merge_solutions argument.
1584 Don't merge attributes.
1585 (process_unification_queue): Just use collapse_nodes.
1586 (perform_var_substitution): Update call to collapse_nodes.
1587 (get_constraint_exp_from_ssa_var): Use INCLUDES.
1588 (process_constraint): Fix non-field sensitive handling
1590 (get_constraint_for): Use INCLUDES.
1591 (make_constraint_from_anything): Renamed from
1592 make_constraint_from_escaped.
1593 (make_constraint_to_escaped): Removed.
1594 (find_global_initializers): Removed.
1595 (create_variable_info_for): Do not make constraints to escaped
1597 (dump_solution_for_var): Don't print out the equivalent points-to
1598 sets, just use the name of the variable it shares it with.
1599 (intra_create_variable_infos): Use INCLUDES.
1600 Change nonlocal variable sets to anything sets.
1601 (init_base_vars): Remove escaped_vars and nonlocal_var
1603 (find_escape_constraints): Removed.
1604 (delete_points_to_sets): Remove dead code.
1605 (used_smt_calculated): New variable.
1606 (set_used_smts): New function.
1607 (merge_smts_into): New function.
1608 (find_what_p_points_to): Modify to use SMTs.
1609 (create_nonlocal_var): Remove.
1611 * tree-ssa-operands.c (access_can_touch_variable): Remove
1612 reference to nonlocal_all.
1614 * tree-ssa.c (verify_name_tags): Remove.
1616 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
1618 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
1619 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
1621 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
1623 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
1624 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
1625 (add_livein_if_notdef): Delete.
1626 (loe_visit_block): New. Propogate live on entry info for a block into
1627 each predecessor. If it changes, make sure it is visited again.
1628 (live_worklist): Visit every block and update the live on entry info
1629 for preds. Iterate over any that changed.
1630 (set_var_live_on_entry): Populate the live on entry blocks with bits
1631 based on the immediate uses of a var.
1632 (calculate_live_on_entry): Remove.
1633 (calculate_live_on_exit): Calculate live on exit based on the newly
1634 oriented live on entry bits.
1635 (calculate_live_ranges): Build live on entry and exit vectors.
1636 (dump_live_info): Use new orientation of live on entry bitmaps.
1637 (verify_live_on_entry): New. Split out verification code from old
1638 calculate_live_on_entry routine.
1639 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
1640 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
1641 basic_block instead of for a partition.
1642 (live_merge_and_clear): Add asserts.
1643 (make_live_on_entry): Set partition bit in basic block vector.
1645 2006-12-04 Jakub Jelinek <jakub@redhat.com>
1648 * omp-low.c (expand_omp_for_static_nochunk,
1649 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
1653 * omp-low.c (determine_parallel_type): Don't try to optimize combined
1654 parallels if region->exit or region->inner->exit is NULL.
1655 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
1657 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
1658 (expand_omp_for): Use expand_omp_for_generic if either region->cond
1659 or region->exit is NULL.
1660 (expand_omp_sections): Handle NULL region->cond or region->exit.
1663 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1665 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
1666 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
1668 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
1670 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
1671 TYPE_MAX_VALUE for scalar types here but...
1672 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
1673 is attached an error mark, and the return value of the callback
1674 if it is not NULL_TREE.
1676 2006-12-04 Ben Elliston <bje@au.ibm.com>
1678 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
1680 2006-12-03 Eric Christopher <echristo@apple.com>
1683 * config/t-slibgcc-darwin: Pass -install_name.
1684 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
1685 libtool. Only pass through options that the linker recognizes.
1686 (LINK_SPEC): Update comment. Translate options.
1687 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
1688 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
1690 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
1692 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
1694 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
1697 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
1698 operands[1] in insn constraint. Correct type attribute to sselog1.
1700 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
1703 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
1705 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
1706 processor detection.
1708 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
1709 -march=native if there is no -mtune=*.
1711 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
1714 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1716 * doc/install.texi: Update recommended MPFR version. Remove
1717 obsolete reference to cumulative patch.
1719 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1722 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1724 2006-11-30 Jan Hubicka <jh@suse.cz>
1725 Uros Bizjak <ubizjak@gmail.com>
1727 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1728 32bit memcpy/memset decriptors.
1729 (decide_alg): With -minline-all-stringops and sizes that are best
1730 to be copied via libcall still work hard enough to pick non-libcall
1733 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1735 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1737 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1738 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1739 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1740 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1741 config/spu/spu-c.c, config/spu/spu-modes.def,
1742 config/spu/spu.c, config/spu/spu.md,
1743 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1744 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1745 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1746 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1747 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1748 spelling conventions.
1750 * config/i386/i386.c: Fix a comment typo.
1752 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1754 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1755 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1756 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1757 better optimization.
1758 (floatv4siv4sf2): New.
1759 (fix_truncv4sfv4si2): New.
1760 (floatunsv4siv4sf2): New.
1761 (fixuns_truncv4sfv4si2): New.
1769 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1770 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1771 spu_resolve_overloaded_builtin instead of static inline functions.
1773 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1775 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1776 type instead of the size of its mode to compute the highest and
1777 lowest possible values. Still check the size of the mode before
1778 flipping the signedness of the comparison.
1780 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1782 * config/spu/predicates.md (spu_mov_operand): Add.
1783 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1784 (print_operand_address, print_operand): Handle addresses containing AND.
1785 (spu_split_load, spu_split_store): Use updated movti pattern.
1786 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1787 stores in mov patterns for correct operation of reload.
1788 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1790 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1793 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1795 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1797 * common.opt (ftree-combine-temps): Remove.
1798 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1799 (coalesce_ssa_name): Don't check for combine-temps.
1800 (coalesce_vars): Remove.
1801 (check_replaceable): Use num_imm_uses.
1802 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1803 check for combine-temps.
1804 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1805 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1806 to register_ssa_partition calls.
1807 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1808 (init_var_map, delete_var_map): remove refernces to ref_count.
1809 (create_ssa_var_map): Never calculate a ref count.
1810 (type_var_init): Remove.
1811 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1812 (SSA_VAR_MAP_REF_COUNT): Delete.
1813 (create_ssa_var_map): Change Prototype to have no parameters.
1814 (version_ref_count): Delete.
1815 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1817 (type_var_num, type_var, type_var_first_partition,
1818 type_var_next_partition, type_var_dump, type_var_delete,
1819 type_var_remove_partition, type_var_find, type_var_compact,
1820 type_var_decompact): Remove.
1822 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1824 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1827 2006-12-01 Richard Guenther <rguenther@suse.de>
1830 * dwarf2out.c (struct pubname_struct): Make name const.
1831 (add_pubtype): Do not xstrdup identifiers.
1833 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1835 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1836 multiword accesses are in range.
1838 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1840 PR tree-optimization/29921
1841 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1842 (set_lattice_value): Use canonicalize_float_value.
1844 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1846 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1847 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1848 (spu_cpu_cpp_builtins): Remove.
1849 (spu_override_options): Don't set warn_main.
1850 (spu_force_reg): Move from spu-c.c.
1851 (spu_check_builtin_parm): Likewise.
1852 (expand_builtin_args): Likewise.
1853 (spu_expand_builtin_1): Likewise.
1854 (spu_expand_builtin): Likewise.
1855 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1856 warn_main and targetm.resolve_overloaded_builtin.
1857 * config/spu/spu-c.c (spu_builtin_range): Remove.
1858 (spu_check_builtin_parm): Remove.
1859 (expand_builtin_args): Remove.
1860 (spu_expand_builtin_1): Remove.
1861 (spu_expand_builtin): Remove.
1862 (spu_cpu_cpp_builtins): Moved from spu.c
1863 (spu_force_reg): Remove.
1865 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1866 David Edelsohn <edelsohn@gnu.org>
1869 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1870 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1871 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1872 HARD_REGNO_NREGS_WITH_PADDING): Define.
1873 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1874 HARD_REGNO_NREGS_WITH_PADDING): Define.
1875 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1876 Use new macros to detect modes with holes; do not look at integer
1878 (subreg_offset_representable_p): Check for and disallow cases
1879 where the modes use different numbers of bits from registers.
1880 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1881 constant for soft-float.
1882 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1884 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1885 in E500 double case.
1886 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1887 (movtf_softfloat): New.
1889 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1891 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1892 simplify_gen_subreg.
1894 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1896 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1897 (COALESCE_HASH_FN): New. Define hash function.
1898 (partition_pair_map_hash): New. Hash value for a partition pair.
1899 (partition_pair_map_eq): New. Equality for hash pairs.
1900 (create_coalesce_list): Create hash table.
1901 (delete_coalesce_list): Free hash table.
1902 (find_partition_pair): Find/create pairs in hash table.
1903 (compare_pairs): Sort pairs in ascending order now.
1904 (num_coalesce_pairs): New. Number of pairs in hash table.
1905 (struct partition_pair_iterator): Iterator struct for pair table.
1906 (first_partition_pair): Iterator function for first pair.
1907 (end_partition_pair_p): Iterator function for end of iteration.
1908 (next_partition_pair): Iterator function for next pair.
1909 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1910 (sort_coalesce_list): Sort pairs from hash table into an array.
1911 (pop_best_coalesce): Take pairs from the array.
1912 (dump_coalesce_list): Update to use hash table or sorted array.
1913 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1914 (struct coalesce_list_d): Add hash table related fields.
1916 2006-11-30 Jan Hubicka <jh@suse.cz>
1919 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1920 memmove/bcopy->memcpy conversion.
1922 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1924 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1925 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1926 Default is the largest alignment supported for 32-bit ELF and
1927 representable on a 32-bit host.
1929 2006-11-30 Janis Johnson <janis187@us.ibm.com>
1931 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
1933 2006-11-30 Jan Hubicka <jh@suse.cz>
1935 * tree-ssa-operands.h (struct ssa_operands): New.
1936 * tree-flow-inline.h (gimple_ssa_operands): New function.
1937 * tree-flow.h: (struct gimple_df): Add ssa_operands.
1938 * Makefile.in: Remove gt-tree-ssa-operands.h
1939 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
1940 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
1941 operand_memory, operand_memory_index, ops_active): Remove statics.
1942 (ALLOC_OPTYPE): Update.
1943 (operand_build_sort_virtual): Update.
1944 (ssa_operands_active): Update.
1945 (init_ssa_operands): Update.
1946 (fini_ssa_operands): Update.
1947 (ssa_operand_alloc): Update.
1948 (INITIALIZE_USE): Update.
1949 (finalize_ssa_use_ops): Update.
1950 (finalize_ssa_v_may_def_ops): Update.
1951 (finalize_ssa_vuse_ops): Update.
1952 (finalize_ssa_v_must_def_ops): Update.
1954 2006-11-30 Richard Guenther <rguenther@suse.de>
1956 * tree-vectorizer.h (vectorizable_function): Export.
1957 * tree-vect-transform.c (vectorizable_function): Likewise.
1958 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
1959 type_in to scalar type in recognition of squaring.
1960 Make sure the target can vectorize sqrt in recognition
1961 of sqrt, set type_in to vector type in this case.
1963 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1965 * config/i386/i386.md (R10_REG): New constant.
1966 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
1967 (ix86_emit_restore_regs_using_mov): Ditto.
1968 (ix86_expand_call): Ditto.
1969 (x86_output_mi_thunk): Ditto. Also use R10_REG.
1971 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1973 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
1974 * alias.c (canon_true_dependence): Update comment.
1976 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1978 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
1979 at the end of a diagnostics message.
1981 * alloc-pool.c (pool_free): Postpone clearing the pool entry
1982 until after asserting that it was allocated in the right pool.
1984 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
1985 successor edge information as well. Make output of live regs
1986 on exit consistent with live regs on entry.
1988 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1991 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
1992 insn patterns for TARGET_80387.
1993 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
1994 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
1995 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
1996 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
1997 Generate truncxf<mode>2 insn patterns for strict SSE math.
1999 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
2001 * config/i386/i386.md (movsf_1): Enable pattern for standard
2002 80387 constants before reload when optimizing for size.
2003 (*movdf_nointeger, *movdf_integer): Ditto.
2004 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
2005 80387 constants before reload when not optimizing for size.
2007 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
2008 extension of XFmode input operands.
2010 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2012 * config/spu/crt0.c (__dso_handle): Define.
2014 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
2016 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
2017 when clearing the used flags.
2019 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2021 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
2023 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2026 * config/spu/spu.md (extend_compare<mode>): New pattern.
2027 (extend_compare): Change to expand and use the above pattern.
2029 2006-11-29 Janis Johnson <janis187@us.ibm.com>
2031 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
2033 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
2034 (DFP_INIT_ROUNDMODE): Define.
2035 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
2036 * mklibgcc.in: Fix dependencies for dfp-bit.c.
2038 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
2040 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
2041 Update documentation.
2042 (associate_line_notes_with_blocks): Kill.
2043 (extend_bb): Remove basic block argument, put void instead.
2044 Remove line number handling for each bb.
2045 (save_line_notes): Kill.
2046 (restore_line_notes): Kill.
2047 (sched_init): Remove line_note_head initialization.
2048 Change extend_bb call.
2049 (sched_finish): Remove free of line_note_head.
2050 (add_block): Change extend_bb call.
2051 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
2052 rm_line_notes and restore_line_notes calls.
2053 (schedule_ebbs): Remove rm_redundant_line_notes.
2054 * sched-int.h (struct haifa_insn_data): Remove line_note.
2055 (save_line_notes): Remove declaration.
2056 (restore_line_notes): Remove declaration.
2057 * modulo-sched.c (loop_canon_p): Update debug info printing
2058 by using insn locators instead of line note.
2059 (sms_schedule): Update debug info printing, by using insn
2060 locators instead of line note.
2061 * sched-rgn.c (debug_dependencies): Remove handling of case
2062 n>0 (line number), since it's a dead code.
2063 (schedule_region): Remove save_line_notes and
2064 restore_line_notes calls.
2066 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2068 * config/rs6000/predicates.md (gpc_reg_operand): Check
2069 invalid_e500_subreg.
2070 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
2071 SImode subregs of SPE vectors.
2072 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
2073 * jump.c (true_regnum): Require subregs to satisfy
2074 subreg_offset_representable_p.
2076 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
2077 Steven Bosscher <stevenb.gcc@gmail.com>
2079 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
2080 since it no longer exists.
2082 2006-11-29 Duncan Sands <baldrick@free.fr>
2084 PR tree-optimization/23744
2085 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
2087 2006-11-29 Duncan Sands <baldrick@free.fr>
2089 PR tree-optimization/23744
2090 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
2092 2006-11-29 Duncan Sands <baldrick@free.fr>
2094 PR tree-optimization/23744
2095 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
2097 2006-11-29 Jie Zhang <jie.zhang@analog.com>
2099 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
2101 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
2103 * sh.opt (minline-ic_invalidate): New option.
2104 (musermode): Adjust comment.
2105 * sh.c (sh_initialize_trampoline): Emit library call unless
2106 is set; if it is set, don't emit library call if we can use icbi
2108 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
2109 icbi for TARGET_SH4_300.
2110 * t-sh (LIB1ASMFUNCS_CACHE): Set.
2111 * doc/invoke.texi: Document -minline-ic_invalidate; Update
2112 -musermode documentation.
2114 2006-11-29 Jim Tison <jtison@us.ibm.com>
2116 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
2117 __gthread_recursive_mutex_init): Define.
2119 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2121 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
2122 STRICT_ALIGNMENT and the type is more aligned than the saved
2123 registers, copy via a temporary.
2125 2006-11-28 Andrew Pinski <pinskia@gmail.com>
2128 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
2131 2006-11-28 Bob Wilson <bob.wilson@acm.org>
2133 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
2135 2006-11-28 Jan Hubicka <jh@suse.cz>
2137 Privatize SSA variables into gimple_df.
2138 * tree-flow-inline.h
2139 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
2140 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
2141 gimple_nonlocal_all): New accessors.
2142 (first_referenced_var): Update.
2143 (mark_stmt_modified): Update.
2144 (is_call_clobbered): Update.
2145 (mark_call_clobbered): Update.
2146 (clear_call_clobbered): Update.
2147 (mark_non_addressable): Update.
2148 * tree-vrp.c (get_value_range): Update.
2149 * tree-into-ssa.c (in_ssa_p): Kill.
2150 (get_default_def_for): Update.
2151 (rewrite_into_ssa): Update.
2152 * tree-complex.c (init_parameter_lattice_values): Update.
2153 (update_complex_assignment): Update.
2154 (update_parameter_components): Update.
2155 (expand_complex_libcall): Update.
2156 (expand_complex_operations_1): Update.
2157 * tree-tailcall.c (arg_needs_copy_p): Update.
2158 (add_virtual_phis): Update.
2159 (tree_optimize_tail_calls_1): Update.
2160 * tree-ssa-dse.c (memory_ssa_name_same): Update.
2161 * tree-ssa-copyrename.c
2162 (copy_rename_partition_coalesce): Update.
2163 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
2164 * tree-ssa-propagate.c (set_rhs): Update.
2165 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
2166 addressable_vars, global_var):Kill.
2167 (set_initial_properties): Update.
2168 (init_alias_info): Update.
2169 (finalize_ref_all_pointers): Update.
2170 (setup_pointers_and_addressables): Update.
2171 (maybe_create_global_var): Update.
2172 (create_global_var): Update.
2173 (dump_points_to_info): Update.
2174 * function.h (struct gimple_df): Forward declare.
2175 (struct function): Add GIMPLE_DF field.
2176 * gimplify.c (force_gimple_operand): Update.
2177 * tree-dfa.c (referenced_vars, default_defs): KIll.
2178 (make_rename_temp): Update.
2179 (dump_variable): Update.
2180 (referenced_var_lookup): Update.
2181 (referenced_var_check_and_insert): Update.
2182 (default_def): Rename to ...
2183 (gimple_default_def): ... this one; accept cfun argument.
2184 (set_default_def): Update.
2185 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
2186 (cleanup_control_flow): Update.
2187 * tree-ssa-pre.c (compute_avail): Update
2188 * tree-ssa-live.c (calculate_live_on_entry): Update.
2189 * tree-ssa.c (verify_use): Update.
2190 (verify_call_clobbering): Update.
2191 (verify_call_clobbering): Update.
2192 (init_tree_ssa): Update.
2193 (delete_tree_ssa): Update.
2194 * tree-outof-ssa.c (coalesce_ssa_name): Update.
2195 (rewrite_out_of_ssa): Update.
2196 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
2197 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
2199 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
2200 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
2201 addressable_vars, aliases_computed_p): Kill.
2202 (default_def): Rename to...
2203 (gimple_default_def): ... this one.
2204 (defaule_def_fn): Kill.
2205 (num_referenced_vars, ssa_names, num_ssa_names): Update.
2206 * tree-ssa-structalias.c (nonlocal_all): Kill.
2207 (get_constraint_exp_from_ssa_var): Update.
2208 (create_nonlocal_var): Update.
2209 (get_constraint_for): Update.
2210 (update_alias_info): Update.
2211 (find_global_initializers): Update.
2212 (intra_create_variable_infos): Update.
2213 (intra_create_variable_infos):
2214 (find_what_p_points_to): Update.
2215 (init_alias_heapvars): Update.
2216 * tree-cfg.c (remove_bb): Update.
2217 (gimplify_val): Update.
2218 * tree-ssa-reassoc.c (get_rank): Update.
2219 (init_reassoc): Update.
2220 * tree-ssanames.c: Do not include gt-tree-ssanames.h
2221 (ssa_names, free_ssanames): Kill.
2222 (init_ssanames): Update.
2223 (make_ssa_name): Update.
2224 (release_ssa_name): Update.
2225 (release_defs): Update.
2226 (replace_ssa_name_symbol): Update.
2227 * tree-ssa-operands.c (access_can_touch_variable): Update.
2228 (add_virtual_operand): Update.
2229 (add_call_clobber_ops): Update.
2230 (add_call_read_ops): Update.
2231 (get_call_expr_operands): Update.
2232 (get_asm_expr_operands): Update.
2234 2006-11-28 Jan Hubicka <jh@suse.cz>
2236 * builtins.c: Include tree-flow.h.
2237 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
2238 assignment; convert memmove to memcpy for sizes greater than 1 where
2239 alignment of operands prohibit the partial overlap.
2241 2006-11-28 Jan Hubicka <jh@suse.cz>
2243 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
2244 * cgraph.c (dump_cgraph_node): Dump stack usage.
2245 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
2246 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
2247 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
2248 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
2249 (cgraph_check_inline_limits): Limit stack growth.
2250 * cfgexpand.c: Include tree-inline.h.
2251 (account_stack_vars): New function.
2252 (expand_one_var): New param to just account the stack; return estimated
2254 (expand_used_vars_for_block): Update call of expand_one_var.
2255 (account_used_vars_for_block): New function.
2256 (estimated_stack_frame_size): Likewise.
2257 (init_vars_expansion, fini_vars_expansion): Break out from..
2258 (expand_used_vars): ... here.
2259 * tree-inline.h (estimated_stack_frame_size): Declare.
2260 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
2262 2006-11-28 Richard Guenther <rguenther@suse.de>
2264 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
2265 unsigned long for printing OBJECT_SIZE.
2267 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
2269 * alias.c (init_alias_analysis): Remove simplification loop
2270 after propagating pointers.
2272 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2274 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
2277 2006-11-27 Bob Wilson <bob.wilson@acm.org>
2279 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
2281 2006-11-27 Roger Sayle <roger@eyesopen.com>
2282 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2284 * c-common.c (constant_fits_type_p): Delete.
2285 (unsigned_conversion_warning): Delete.
2286 (conversion_warning): Integrate Wconversion warning from
2287 unsigned_conversion_warning.
2288 (convert_and_check): Integrate Woverflow warning from
2289 unsigned_conversion_warning. Reorganize and simplify to avoid
2290 dependence upon the middle-end setting TREE_OVERFLOW on integral
2291 conversions, by using int_fits_type_p directly.
2293 2006-11-27 Tobias Burnus <burnus@net-b.de>
2295 * doc/invoke.texi: Fixed typo.
2297 2006-11-27 Michael Matz <matz@suse.de>
2298 Andreas Krebbel <krebbel1@de.ibm.com>
2301 * config/s390/predicates.md (larl_operand): Check addend of larl
2302 operand to be in range of -/+2GB.
2303 * config/s390/s390.c (legitimize_pic_address): Likewise.
2304 Changed type of variable even to HOST_WIDE_INT.
2306 2006-11-27 Jan Hubicka <jh@suse.cz>
2308 * expr.c (emit_block_move_via_libcall): Export.
2309 (clear_storage_via_libcall): Rename to ...
2310 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
2311 (clear_storage): Update to set_storage_via_libcall.
2312 * expr.h (emit_block_move_via_libcall): Declare
2313 * config/i386/i386.h (stringop_alg): New enum.
2314 (MAX_STRINGOP_ALGS): New constant.
2315 (stringop_algs): New struct.
2316 (processor_costs): Add memcpy/memset descriptors.
2317 (TARGET_REP_MOVEL_OPTIMAL): Remove.
2318 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
2319 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
2321 * config/i386/i386.opt (minline-stringops-dynamically,
2322 mstringop-strategy): New
2324 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
2325 (ix86_expand-clrmem): Rename to ...
2326 (ix86_expand_setmem): ... this one; update prototype.
2327 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
2328 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
2329 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
2330 nocona_cost, core2_cost, generic_cost, generic64_cost,
2331 generic32_cost): Add memcpy/memset descriptors.
2332 (x86_rep_movl_optimal): Remove.
2333 (stringop_alg): New static variable.
2334 (ix86_expand_aligntest): Handle predictions.
2335 (override_options): Add strgop_alg handling.
2336 (predict_jump): New function.
2337 (scale_counter): New function.
2338 (expand_set_or_movmem_via_loop): New function.
2339 (expand_movmem_via_rep_mov): New function.
2340 (expand_setmem_via_rep_stots): New function.
2341 (emit_strmov): New function.
2342 (expand_movmem_epilogue): New function.
2343 (expand_setmem_epilogue_via_loop): New function.
2344 (expand_setmem_epilogue): New function.
2345 (expand_movmem_prologue): New function.
2346 (expand_setmem_prologue): New function.
2347 (decide_alg): New function.
2348 (decide_alignment): New function.
2349 (ix86_exand_movmem): Rewrite.
2350 (promote_duplicated_reg): New function.
2351 (ix86_expand_clrmem): Rename to ...
2352 (ix86_expand_setmem): ... this one. Rewrite.
2354 * invoke.texi (minline-stringops-dynamically): New command line option.
2355 (mstringop-strategy): Likewise.
2357 2006-11-27 Jan Hubicka <jh@suse.cz>
2359 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
2360 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
2361 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
2362 * insn-notes.def (FUNCTION_END): Remove.
2363 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
2364 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
2366 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
2367 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
2368 * cfglayout.c (duplicate_insn_chain): Don't worry about
2371 2006-11-27 Richard Guenther <rguenther@suse.de>
2372 Zdenek Dvorak <dvorakz@suse.cz>
2374 * target.h (struct gcc_target): Add builtin_vectorized_function
2376 * target-def.h (TARGET_VECTORIZE): Likewise.
2377 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2378 Document new target hook.
2379 * targhooks.h (default_builtin_vectorized_function): Declare.
2380 * targhooks.c (default_builtin_vectorized_function): Define.
2381 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
2382 (vectorizable_call): Declare.
2383 * tree-vect-analyze.c (vect_analyze_operations): Call
2385 * tree-vect-transform.c (vectorizable_function): New static function.
2386 (build_vectorized_function_call): Likewise.
2387 (vectorizable_call): New function.
2388 (vect_transform_stmt): Handle vectorizable calls.
2390 2006-11-27 Richard Guenther <rguenther@suse.de>
2393 * builtins.c (expand_builtin_pow): Optimize non integer valued
2394 constant exponents using sqrt or cbrt if possible. Always fall back
2395 to expanding via optabs.
2397 2006-11-27 Ira Rosen <irar@il.ibm.com>
2399 PR tree-optimization/22372
2400 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
2401 the type of the base address.
2402 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
2403 it in the data-ref pointer creation.
2404 (vect_init_vector): Add an argument, type of the init vector. Use it in
2406 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
2407 (get_initial_def_for_reduction): Likewise.
2408 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
2410 (vectorizable_assignment, vect_permute_store_chain): Likewise.
2411 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
2412 correct type in stmt creation.
2413 (vect_setup_realignment): Use the correct type in stmt creation.
2414 (vect_permute_load_chain): Change type of MODIFY_EXPR to
2416 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
2417 of MODIFY_EXPR to void_type_node.
2418 (vectorizable_condition): Change type of MODIFY_EXPR to
2420 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
2423 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2426 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2427 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2428 standard 80387 constants, raise the cost to prevent
2429 compress_float_constant() to generate load from memory.
2431 * config/i386/i386.md: Add new splitter pattern to split
2432 float_extended load of constant from constant pool into
2435 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2437 * doc/install.texi: Move GMP/MPFR configure options from Fortran
2438 section to general section. Remove documentation for
2439 --with-mpfr-dir and --with-gmp-dir, add documentation for
2440 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
2443 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
2445 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
2447 * testsuite/gcc.dg/ipa/ipa-6.c: New.
2449 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
2451 PR tree-optimization/29122
2452 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
2453 for the new version. Assign NULL to DECL_RTL of the new version.
2455 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2457 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
2459 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
2461 * cse.c (cse_altered): Remove.
2462 (record_jump_equiv): Make true/false argument a bool instead
2464 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
2465 where appropriate. Emit a new jump before the existing one
2466 instead of after so that delete_insn_and_edges removes the
2467 dead edges properly. Check any_condjump_p before calling
2469 (cse_basic_block): Check any_condjump_p before calling
2471 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
2473 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
2475 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
2476 -ffixed-line-length-* options.
2478 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2480 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
2481 (fprem1xf4): Rename to fprem1xf4_i387.
2483 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
2484 Rename patterns to fmod<mode>3. Use general_operand operand
2485 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
2486 patterns for SSE math.
2487 (remaindersf3, remainderdf3): Ditto.
2489 2006-11-25 Joseph Myers <joseph@codesourcery.com>
2491 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
2492 inside start_sequence / end_sequence pair.
2494 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
2496 * jump.c (mark_all_labels): Work in cfglayout mode.
2497 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
2498 when in cfglayout mode, because there are no dead jumptables
2500 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
2502 (commit_edge_insertions): Do not allow insertion of instructions
2503 with control flow insns when in cfglayout mode.
2505 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
2507 * tree-vrp.c (execute_vrp): Do not pass loops structure through
2509 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
2510 unswitch_loop): Ditto.
2511 * tree-loop-linear.c (linear_transform_loops): Ditto.
2512 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
2513 tree_ssa_lim): Ditto.
2514 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
2515 free_numbers_of_iterations_estimates): Ditto.
2516 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
2517 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
2518 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
2519 remove_path, add_loop, loopify, unloop, fix_loop_placements,
2520 place_new_loop, duplicate_loop, duplicate_subloops,
2521 update_single_exit_for_duplicated_loops, copy_loops_to,
2522 duplicate_loop_to_header_edge, create_preheaders,
2523 force_single_succ_latches, loop_version, fix_loop_structure):
2525 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
2526 tree_unroll_loop): Ditto.
2527 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2528 * tree-scalar-evolution.c (select_loops_exit_conditions,
2529 scev_initialize, scev_analysis): Ditto.
2530 * tree-scalar-evolution.h (scev_initialize): Ditto.
2531 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
2532 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
2533 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
2534 * modulo-sched.c (sms_schedule): Ditto.
2535 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2536 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
2537 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
2538 * ifcvt.c (if_convert): Ditto.
2539 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
2540 canonicalize_loop_induction_variables,
2541 canonicalize_induction_variables,
2542 tree_unroll_loops_completely, remove_empty_loops): Ditto.
2543 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
2544 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
2545 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
2546 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
2547 tree_ssa_loop_done): Ditto.
2548 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
2549 estimate_bb_frequencies): Ditto.
2550 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
2551 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
2552 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
2553 decide_unrolling_and_peeling, peel_loop_completely,
2554 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
2555 peel_loop_simple, unroll_loop_stupid): Ditto.
2556 * loop-doloop.c (doloop_optimize_loops): Ditto.
2557 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
2558 * loop-invariant.c (move_loop_invariants): Ditto.
2559 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
2560 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
2561 tree_ssa_prefetch_arrays): Ditto.
2562 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
2564 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
2565 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
2566 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
2567 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
2568 verify_loop_structure): Ditto.
2569 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
2570 canonicalize_induction_variables, tree_unroll_loops_completely,
2571 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
2572 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
2573 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
2574 tree_unroll_loop, linear_transform_loops): Declaration changed.
2575 * basic-block.h: Remove declaration of struct loops.
2576 * cfghooks.h (struct cfg_hooks): Change type of
2577 cfg_hook_duplicate_loop_to_header_edge.
2578 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
2579 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
2580 vect_transform_loop): Declaration changed.
2581 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
2582 * cfgloop.h (flow_loops_dump, fix_loop_structure,
2583 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
2584 cancel_loop_tree, create_preheaders, force_single_succ_latches,
2585 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
2586 loopify, loop_version, remove_path, unswitch_loops,
2587 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
2588 Declaration changed.
2590 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
2592 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
2593 (X87MODEF): New mode macro.
2594 (ssemodefsuffix): New mode attribute.
2595 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
2596 (sqrt_extend<mode>xf2_i387): New insn pattern.
2597 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
2598 insn and truncate result back to original mode using
2599 UNSPEC_TRUNC_NOOP truncation.
2600 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
2601 ssemodefsuffix mode attribute.
2602 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
2603 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
2604 (*sqrtextenddfxf2_i387): Remove insn patterns.
2606 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
2607 truncation patterns.
2609 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
2611 2006-11-24 Jakub Jelinek <jakub@redhat.com>
2614 * c-tree.h (c_maybe_initialize_eh): New prototype.
2615 * c-decl.c (finish_decl): Move EH initialization...
2616 (c_maybe_initialize_eh): ... here. New function.
2617 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
2618 if not #pragma omp atomic.
2621 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
2622 or UNION_TYPE inner types.
2624 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
2627 * ipa-pure-const.c (check_tree): If the original tree
2628 is volatile return early and say the function is not pure
2629 nor const. Remove the volatile check for writes.
2630 (analyze_function): Print out the result of the local
2633 2006-11-24 Joseph Myers <joseph@codesourcery.com>
2635 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
2637 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
2638 * config/rs6000/rs6000.c (rs6000_override_options): Use
2639 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
2642 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
2644 * config/s390.c (s390_emit_compare_and_swap): New function.
2645 (s390_expand_cs_hqi, s390_expand_atomic): Call
2646 s390_emit_compare_and_swap.
2648 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2650 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
2652 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2656 * c-common.c (conversion_warning): New.
2657 (convert_and_check): Call conversion_warning unless there is an
2659 * doc/invoke.texi (-Wconversion): Update description.
2661 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
2663 * tree-ssa-alias.c (tree_pointer_compare): New function.
2664 (compact_name_tags): New function.
2665 (group_aliases): Call compact_name_tags.
2667 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2669 * real.h (real_isinteger): Declare.
2670 * real.c (real_isinteger): Define.
2671 * builtins.c (integer_valued_real_p): Use it.
2673 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2676 * c.opt (Wtraditional-conversion): New.
2677 (Wconversion): Update description.
2678 * c-typeck.c (convert_arguments): Warnings for prototypes causing
2679 type conversions different from what would happen in the absence
2680 of prototype are now handled by Wtraditional-conversion.
2681 * doc/invoke.texi (Wtraditional-conversion): New.
2682 (Wconversion): Update description.
2683 * doc/trouble.texi (Wconversion): Replace Wconversion by
2684 Wtraditional-conversion.
2686 2006-11-23 Andrew Pinski <pinskia@gmail.com>
2688 * predict.c (tree_estimate_probability): Check to make
2689 sure current_loops is non null before calling flow_loops_dump.
2691 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2693 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
2695 2006-11-23 David Ung <davidu@mips.com>
2697 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
2699 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
2700 (ASM_SPEC): Pass along -mfp32 and -mfp64.
2701 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
2702 high part of FP register when in 64-bit FP register mode. Similarly
2703 use gen_mfhc1 to load high part of FP register.
2704 (override_options): Allow -mgp32 and -mfp64 combination if
2705 ISA_HAS_MXHC1 (currently for O32 only).
2706 (mips_cannot_change_mode_class): If floating-point registers are
2707 bigger than word size. disallow conversion of float register from a
2708 large integer mode to a float mode smaller than the float register
2710 (mips_class_max_nregs): Handle float registers case seperately.
2711 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
2713 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
2714 (movdf_hardfloat_32bit): Similarly.
2715 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
2716 support a full 64-bit fpu.
2717 (mthc1): New pattern to generate MTHC1 instruction.
2718 (mfhc1): New pattern to generate MFHC1 instruction.
2719 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2720 option for the MIPS32R2 and mention its use under O32 ABI.
2722 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2724 * var-tracking.c (emit_note_insn_var_location): Take care not to
2725 cause verify_flow_info failures.
2727 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2729 * tree-ssa-structalias.c: Remove edge weights in favor of just
2730 processing them as complex constraints.
2731 (struct constraint_graph): Remove weighted succs and preds. Rename
2732 nonweighted succs and preds.
2733 (constraint_edge): Removed.
2734 (constraint_edge_t): Ditto.
2735 (constraint_edge_pool): Ditto.
2736 (new_constraint_edge): Ditto.
2737 (constraint_edge_equal): Ditto.
2738 (constraint_edge_less): Ditto.
2739 (constraint_edge_vec_find): Ditto.
2740 (erase_self_graph_edge): Ditto.
2741 (add_graph_edge): Removed.
2742 (get_graph_weights): Ditto.
2743 (allocate_graph_weights): Ditto.
2744 (valid_weighted_graph_edge): Ditto
2745 (bitmap_other_than_zero_bit_set): Ditto.
2746 (int_add_graph_edge): Renamed to add_graph_edge.
2747 (clear_edges_for_node): Remove support for weighted edges.
2748 (merge_graph_nodes): Ditto.
2749 (valid_graph_edge): Ditto.
2750 (build_constraint_graph): Ditto.
2752 (collapse_nodes): Ditto.
2753 (process_unification_queue): Ditto.
2754 (topo_visit): Ditto.
2755 (do_ds_constraint): Ditto.
2756 (perform_var_subsitution): Ditto.
2757 (solve_graph): Ditto.
2758 (init_alias_vars): Ditto.
2759 (delete_points_to_sets): Ditto.
2760 (do_complex_constraint): Support offsetted copies here.
2762 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2764 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2766 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2768 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2771 2006-11-23 Ben Elliston <bje@au.ibm.com>
2773 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2775 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2777 PR tree-optimization/29921
2778 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2779 signed and unsigned zero equal.
2781 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2783 * config/rs6000/rs6000.c (get_store_dest): New.
2784 (adjacent_mem_locations): Use get_store_dest() to get
2785 the rtl of the store destination.
2787 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2789 * config/rs6000/spe.md (SPE64): New mode macro.
2790 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2792 (mov_si<mode>_e500_subreg0_2): New.
2793 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2795 (mov_si<mode>_e500_subreg4_2): New.
2796 * config/rs6000/predicates.md (input_operand): Do not allow
2797 invalid E500 subregs.
2798 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2800 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2801 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2802 involving vector modes if TARGET_SPE.
2804 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2807 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2808 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2810 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2812 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2813 mem_i_address_operand): New predicates.
2814 * config/bfin/bfin.c (bfin_issue_rate): New function.
2815 (TARGET_SCHED_ISSUE_RATE): New macro.
2816 * config/bfin/bfin.md (addrtype): New attribute.
2817 (slot0, slot1, slot2, store, pregs): New cpu_units.
2818 (core): Now a define_reservation.
2819 (alu): Remove some insn types from this reservation.
2820 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2822 (dummy reservation): Don't trigger for mcld insns.
2823 (absence_sets): Two new absence sets to enforce slot ordering.
2824 (popsi_insn): Set addrtype.
2826 2006-11-22 Ira Rosen <irar@il.ibm.com>
2828 * doc/c-tree.texi: Document new tree codes.
2829 * doc/md.texi: Document new optabs.
2830 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2832 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2833 * optabs.h (optab_index): Add new.
2834 (vec_extract_even_optab, vec_extract_odd_optab,
2835 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2836 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2837 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2839 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2840 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2841 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2842 along with macros for their access.
2843 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2845 * tree-vect-analyze.c (toplev.h): Include.
2846 (vect_determine_vectorization_factor): Fix indentation.
2847 (vect_insert_into_interleaving_chain,
2848 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2849 (vect_analyze_data_ref_dependence): Add argument for interleaving
2850 check. Check for interleaving if it's true.
2851 (vect_check_dependences): New function.
2852 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2853 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2854 (vect_update_misalignment_for_peel): Update for interleaving.
2855 (vect_verify_datarefs_alignment): Check only first data-ref for
2857 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2858 only first data-ref for interleaving.
2859 (vect_analyze_data_ref_access): Check interleaving, update
2861 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2862 with different parameters.
2863 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2864 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2865 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2866 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2867 Update step in case of interleaving.
2868 (vect_strided_store_supported, vect_permute_store_chain): New
2870 (vectorizable_store): Handle strided stores.
2871 (vect_strided_load_supported, vect_permute_load_chain,
2872 vect_transform_strided_load): New functions.
2873 (vectorizable_load): Handle strided loads.
2874 (vect_transform_stmt): Add argument. Handle strided stores. Check
2875 that vectorized stmt exists for patterns.
2876 (vect_gen_niters_for_prolog_loop): Update calculation for
2878 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2879 whole chain vectorization.
2880 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2881 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2882 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2883 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2884 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2886 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2888 * cse.c (enum taken): Remove PATH_AROUND.
2889 (addr_affects_sp_p, invalidate_skipped_set,
2890 invalidate_skipped_block): Remove.
2891 (cse_end_of_basic_block): Remove skip_blocks and related code.
2892 (cse_main): Don't test for flag_cse_skip_blocks.
2893 Update cse_end_of_basic_block call.
2894 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2895 code to lengthen the path if a jump was simplified.
2897 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2899 PR rtl-optimization/29924
2900 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2901 (unroll_loop_runtime_iterations): Assert that the argument passed to
2902 split_edge_and_insert is not NULL.
2903 * loop-doloop.c (add_test): Ditto.
2905 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2907 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2909 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2910 * cfgloopmanip.c (update_single_exits_after_duplication,
2911 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2912 * tree-scalar-evolution.c (get_loop_exit_condition,
2913 get_exit_conditions_rec, loop_closed_phi_def,
2914 number_of_iterations_in_loop, scev_const_prop): Ditto.
2915 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2916 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2918 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2920 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2921 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2922 slpeel_make_loop_iterate_ntimes,
2923 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2924 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2926 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2927 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2928 vect_analyze_loop_form): Ditto.
2929 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
2930 can_convert_to_perfect_nest, perfect_nestify): Ditto.
2931 * tree-vect-transform.c (vect_create_epilog_for_reduction,
2932 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2933 vect_transform_loop): Ditto.
2934 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
2935 (single_exit, set_single_exit): New functions.
2936 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
2937 (single_exit, set_single_exit): Declare.
2938 * doc/loop.texi: Undocument single_exit field. Document single_exit
2941 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2943 PR tree-optimization/29902
2944 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
2945 any involved ssa name appears in abnormal phi node.
2947 2006-11-21 Bob Wilson <bob.wilson@acm.org>
2949 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
2950 (xtensa_const_ok_for_letter_p): Delete.
2951 (xtensa_extra_constraint): Delete.
2952 (override_options): Delete xtensa_char_to_class initialization.
2953 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
2954 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2955 (EXTRA_CONSTRAINT): Delete.
2956 * config/xtensa/xtensa.md: Include constraints.md.
2957 (call_internal): Combine alternatives.
2958 (call_value_internal): Likewise, and remove invalid constraints.
2959 * config/xtensa/constraints.md: New file.
2960 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
2961 (xtensa_extra_constraint): Delete.
2962 * doc/md.texi (Machine Constraints): Refer to constraints.md for
2965 2006-11-21 Janis Johnson <janis187@us.ibm.com>
2967 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
2968 of conversion that doesn't fit.
2970 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
2971 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
2972 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
2974 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
2976 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
2978 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
2980 2006-11-21 Richard Guenther <rguenther@suse.de>
2982 * tree-vectorizer.h (NUM_PATTERNS): Increase.
2983 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
2984 vect_recog_pow_pattern.
2985 (vect_recog_pow_pattern): New function.
2987 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
2989 * config/bfin/bfin.opt (mstack-check-l1): New.
2990 * doc/invoke.texi (Blackfin Options): Document it.
2991 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
2992 stack bounds in L1 memory if the new option is enabled.
2993 (override_options): Don't allow combinations of -fstack-limit and
2995 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
2998 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
3000 (bfin_register_move_cost): Bump costs if trying to move plain
3001 integer values through accumulators.
3003 2006-11-21 Ben Elliston <bje@au.ibm.com>
3005 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
3007 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
3008 Russell Olsen <Russell_Olsen@playstation.sony.com>
3009 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
3010 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
3011 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
3012 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
3013 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
3015 * config.gcc: Add target for SPU.
3016 * config/spu/constraints.md: New file.
3017 * config/spu/crt0.c: New file.
3018 * config/spu/crtend.c: New file.
3019 * config/spu/crti.asm: New file.
3020 * config/spu/crtn.asm: New file.
3021 * config/spu/float_unsdidf.c: New file.
3022 * config/spu/float_unssidf.c: New file.
3023 * config/spu/predicates.md: New file.
3024 * config/spu/spu-builtins.def: New file.
3025 * config/spu/spu-builtins.h: New file.
3026 * config/spu/spu-builtins.md: New file.
3027 * config/spu/spu-c.c: New file.
3028 * config/spu/spu-elf.h: New file.
3029 * config/spu/spu-modes.def: New file.
3030 * config/spu/spu-protos.h: New file.
3031 * config/spu/spu.c: New file.
3032 * config/spu/spu.h: New file.
3033 * config/spu/spu.md: New file.
3034 * config/spu/spu.opt: New file.
3035 * config/spu/spu_internals.h: New file.
3036 * config/spu/spu_intrinsics.h: New file.
3037 * config/spu/spu_mfcio.h: New file.
3038 * config/spu/t-spu-elf: New file.
3039 * config/spu/vec_types.h: New file.
3040 * config/spu/vmx2spu.h: New file.
3041 * doc/contrib.texi: Document SPU contributor.
3042 * doc/extend.texi: Document SPU extensions.
3043 * doc/invoke.texi: Document SPU options.
3044 * doc/md.texi: Document SPU constraints.
3046 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3048 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
3050 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
3052 (flow_loop_dump): Do not dump loop level.
3053 (flow_loops_find): Do not call flow_loops_level_compute.
3054 * cfgloop.h (struct loop): Remove level field.
3056 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
3058 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
3059 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
3060 Use vector of edges instead of array.
3061 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
3062 estimate_numbers_of_iterations_loop): Ditto.
3063 * predict.c (predict_loops): Ditto.
3064 * loop-unroll.c (analyze_insns_in_loop): Ditto.
3065 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
3067 * basic-block.h: Declare heap allocation for edge vectors.
3068 * tree-outof-ssa.c: Ditto.
3069 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
3070 * cfgloop.h (get_loop_exit_edges): Declaration changed.
3072 2006-11-20 Zack Weinberg <zackw@panix.com>
3074 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
3075 Add another out parameter, "skip".
3076 (set_gc_used_type): Adjust calls to process_gc_options. If a field
3077 is tagged "skip", do not mark its type used.
3079 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
3082 * tree-sra.c (single_scalar_field_in_record_p): New function.
3083 (decide_block_copy): Use it.
3085 2006-11-20 David Daney <ddaney@avtrex.com>
3087 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
3088 PC to point to following instruction.
3090 2006-11-20 Anatoly Sokolov <aesok@post.ru>
3094 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
3096 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
3098 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
3100 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3101 Add sh/superh.h to tm_file.
3103 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
3104 Mark Mitchell <mark@codesourcery.com>
3106 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
3108 (cpp_relocated): New function.
3109 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
3111 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
3112 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
3113 replace configured prefix with gcc_exec_prefix.
3115 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3117 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
3118 bfin_legitimate_constant_p.
3119 * config/bfin/bfin.md (movsi expander): Check return value of
3121 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
3122 (expand_move): Adjust prototype.
3123 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
3124 invalid constants specially.
3125 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
3127 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
3129 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
3130 sibcall_value_symbol): Allow these patterns if
3131 TARGET_LEAF_ID_SHARED_LIBRARY.
3132 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
3133 (override_options): Turn on id shared library flags if -msep-data,
3134 but disallow the combination of these options on the command line.
3135 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
3136 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
3137 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
3138 -mid-shared-library.
3139 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
3140 * doc/invoke.texi (Blackfin Options): Document new switches.
3142 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
3143 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
3145 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
3146 inflate costs for addresses with an out-of-bounds address.
3148 2006-11-19 Andrew Pinski <pinskia@gmail.com>
3151 * fwprop.c (loops): Remove.
3152 (forward_propagate_into): Use current_loops instead of
3154 (fwprop_init): Call loop_optimizer_init instead of
3156 (fwprop_done): Call loop_optimizer_finalize instead of
3158 (fwprop): Use current_loops instead of loops.
3160 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
3163 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
3165 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3168 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
3169 larger than BITS_PER_WORD.
3171 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3175 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
3176 to MAX_FIXED_MODE_SIZE.
3178 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3180 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
3181 (fold_builtin_fmin_fmax): New.
3182 (fold_builtin_1): Use it.
3184 * fold-const.c (fold_strip_sign_ops): Handle copysign.
3186 2006-11-18 Richard Guenther <rguenther@suse.de>
3188 * config/i386/i386.c (ix86_builtins): New array for ix86
3189 builtin function decls.
3190 (def_builtin): New function.
3191 (def_builtin_const): Likewise.
3192 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
3194 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
3196 * doc/invoke.texi (core2): Add item.
3198 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
3200 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
3201 (TARGET_CPU_DEFAULT_generic): Change value.
3202 (TARGET_CPU_DEFAULT_NAMES): Add core2.
3203 (processor_type): Add new constant PROCESSOR_CORE2.
3205 * config/i386/i386.md (cpu): Add core2.
3207 * config/i386/i386.c (core2_cost): New initialized variable.
3208 (m_CORE2): New macro.
3209 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
3210 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
3211 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3212 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3213 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3214 x86_accumulate_outgoing_args, x86_prologue_using_move,
3215 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3216 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
3217 x86_use_incdec, x86_four_jump_limit, x86_schedule,
3218 x86_pad_returns): Add m_CORE2.
3219 (override_options): Add entries for Core2.
3220 (ix86_issue_rate): Add case for Core2.
3222 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
3224 * doc/invoke.texi: Fix mno-isel typo.
3226 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3228 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
3229 easy vector constant loads.
3231 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3233 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
3234 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3235 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
3236 * config/rs6000/sync.md (lwsync): Emit plain sync if
3239 2006-11-17 DJ Delorie <dj@redhat.com>
3241 * reload1.c (reloads_unique_chain): New.
3242 (reloads_conflict): Call it.
3244 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3246 * config/xtensa/predicates.md (addsubx_operand): New.
3247 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
3248 (xtensa_emit_bit_branch): New.
3249 (xtensa_emit_movcc): New.
3250 * config/xtensa/xtensa.md (any_minmax): New code macro.
3251 (minmax): New code attribute.
3252 (any_cond, any_scc, any_scc_sf): New code macros.
3253 (*addx2, *addx4, *addx8): Delete.
3255 (*subx2, *subx4, *subx8): Delete.
3257 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
3258 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
3259 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
3260 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
3261 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
3262 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
3263 (movsfcc_internal0, movsfcc_internal1): Likewise.
3264 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
3265 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
3266 (xtensa_emit_bit_branch): New.
3267 (xtensa_emit_movcc): New.
3268 (function_arg_boundary): Add missing prototype.
3270 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3272 * config/xtensa/xtensa.md (tstsi): Delete
3274 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3276 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
3278 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3280 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3282 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3284 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
3286 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3288 * tree-vrp.c (execute_vrp): Do not update current_loops.
3289 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
3290 * doc/loop.texi: Remove documentation for cancelled functions.
3291 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
3292 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
3294 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
3295 (remove_path): Ensure that in delete_basic_blocks, the loops
3296 are still allocated.
3297 (add_loop): Work on valid loop structures.
3298 (loopify): Modify call of add_loop.
3299 (mfb_update_loops): Removed.
3300 (create_preheader): Do not update loops explicitly.
3301 (force_single_succ_latches, loop_version): Do not use
3302 loop_split_edge_with.
3303 (loop_split_edge_with): Removed.
3304 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
3305 Do not use bsi_insert_on_edge_immediate_loop.
3306 (split_loop_exit_edge, tree_unroll_loop): Do not use
3307 loop_split_edge_with.
3308 (bsi_insert_on_edge_immediate_loop): Removed.
3309 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
3310 use loop_split_edge_with.
3311 * cfghooks.c: Include cfgloop.h.
3312 (verify_flow_info): Verify that loop_father is filled iff current_loops
3314 (redirect_edge_and_branch_force, split_block, delete_basic_block,
3315 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
3317 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
3319 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
3320 loop_split_edge_with.
3321 (sms_schedule): Use current_loops.
3322 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
3323 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
3325 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
3326 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
3327 * ifcvt.c (if_convert): Ditto.
3328 * predict.c (predict_loops): Do not clear current_loops.
3329 (tree_estimate_probability): Use current_loops.
3330 (propagate_freq): Receive head of the region to propagate instead of
3332 (estimate_loops_at_level): Do not use shared to_visit bitmap.
3333 (estimate_loops): New function. Handle case current_loops == NULL.
3334 (estimate_bb_frequencies): Do not allocate tovisit. Use
3336 * tree-ssa-loop.c (current_loops): Removed.
3337 (tree_loop_optimizer_init): Do not return loops.
3338 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
3339 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
3340 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
3341 Do not update loops explicitly.
3342 * function.h (struct function): Add x_current_loops field.
3343 (current_loops): New macro.
3344 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
3345 * loop-unroll.c (split_edge_and_insert): New function.
3346 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
3347 use loop_split_edge_with.
3348 * loop-doloop.c (add_test, doloop_modify): Ditto.
3349 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
3350 * cfglayout.c (copy_bbs): Do not update loops explicitly.
3351 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
3352 * tree-vect-transform.c (vect_transform_loop): Do not update loops
3354 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
3355 (flow_loops_free): Do not free dfs_order and rc_order.
3356 (flow_loops_find): Do not set dfs_order and rc_order in loops
3357 structure. Do not call loops and flow info verification.
3358 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
3359 already belongs to some loop.
3360 * cfgloop.h (struct loops): Remove struct cfg.
3361 (current_loops, loop_split_edge_with): Declaration removed.
3362 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
3363 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
3364 Declaration removed.
3365 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
3366 * basic-block.h (split_edge_and_insert): Declare.
3367 * tree-cfg.c (remove_bb): Do not update loops explicitly.
3369 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3371 PR tree-optimization/29801
3372 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
3373 (get_default_value): Use get_symbol_constant_value.
3374 (set_lattice_value): ICE when the value of the constant is
3376 (visit_assignment): Ignore VDEFs of read-only variables.
3378 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3380 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
3382 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3383 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
3385 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3387 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
3388 select subvars of var.
3390 2006-11-17 Jakub Jelinek <jakub@redhat.com>
3393 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
3394 optimize if DEF doesn't have integral type.
3396 2006-11-16 Mike Stump <mrs@apple.com>
3398 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
3399 pre-darwin9 system, unless the user asks for it directly.
3400 (PREFERRED_DEBUGGING_TYPE): Likewise.
3401 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3402 * config.gcc: Add suppport for darwin9.h.
3403 * config/darwin9.h: Add.
3404 * doc/install.texi (Specific): Clarify darwin documentation.
3406 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3408 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
3409 optimizing for size.
3411 2006-11-16 Mike Stump <mrs@apple.com>
3413 * Makefile.in (targhooks.o): Add $(OPTABS_H).
3415 2006-11-16 Dirk Mueller <dmueller@suse.de>
3417 * tree-vrp.c (get_value_range): Use XCNEW instead
3419 (insert_range_assertions): Use XCNEWVEC instead
3420 of XNEWVEC and memset.
3421 (vrp_initialize): Same.
3422 (vrp_finalize): Same.
3423 * tree-ssa-ccp.c (ccp_initialize): Same.
3424 * predict.c (tree_bb_level_predictions): Same.
3425 * calls.c (expand_call): Same.
3426 * tree-ssa-copy.c (init_copy_prop): Same.
3427 (fini_copy_prop): Same.
3428 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
3429 of GGC_NEW and memset.
3431 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
3434 * gimplify.c (gimplify_expr): Only force a load for references to
3435 non-BLKmode volatile values.
3436 * doc/implement-c.texi (Qualifiers implementation): Document the
3437 interpretation of what a volatile access is.
3438 * doc/extend.texi (C++ Extensions): Rework same documentation.
3440 2006-11-16 Joseph Myers <joseph@codesourcery.com>
3442 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
3445 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3447 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
3449 (arm_neg_abssi2): Renamed from neg_abssi2.
3450 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
3452 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
3454 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
3455 number of arguments passed to local functions in SSE registers is 3.
3457 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
3458 number of arguments passed in SSE registers to 3.
3460 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3463 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
3465 (get_last_bb_insn): ... new global function.
3466 (basic_block.h): Declare it.
3467 * haifa-sched.c (create_recovery_block): Use it.
3469 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
3472 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
3474 2006-11-15 Paul Brook <paul@codesourcery.com>
3476 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
3477 _Unwind_GetTextRelBase): Move from here ...
3478 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
3479 _Unwind_GetTextRelBase): ... To here.
3481 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3483 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
3484 addresses we generate for testing are aligned.
3486 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
3489 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
3490 to what is the const decl is a place holder for.
3492 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
3494 * config/i386/i386.opt: New target option -mx87regparm.
3496 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
3497 and float_in_x87 variables. mmx_words, sse_words: Remove.
3498 (X87_REGPARM_MAX): Define.
3500 * config/i386/i386.c (override_options): Error out for
3501 -mx87regparm but no 80387 support.
3502 (ix86_attribute_table): Add x87regparm.
3503 (ix86_handle_cconv_attribute): Update comments for x87regparm.
3504 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
3505 (ix86_function_x87regparm): New function.
3506 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
3508 (init_cumulative_args): Initialize x87_nregs and float_in_x87
3510 (function_arg_advance): Process x87_nregs and x87_regno when
3511 floating point argument is to be passed in 80387 register.
3512 (function_arg): Pass XFmode arguments in 80387 registers for local
3513 functions. Pass SFmode and DFmode arguments to local functions
3514 in 80387 registers when flag_unsafe_math_optimizations is set.
3516 * reg-stack.c (convert_regs_entry): Disable NaN load for
3517 stack registers that are used for argument passing.
3519 * doc/extend.texi: Document x87regparm function attribute.
3520 * doc/invoke.texi: Document -mx87regparm.
3522 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3524 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
3525 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
3526 arg MODE; all callers changed. Use it to determine validity per
3527 machine mode instead of using Pmode for all memory references.
3528 (get_address_cost): Likewise add and use new arg MEM_MODE.
3530 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
3531 J"orn Rennecke <joern.rennecke@st.com>
3533 * combine.c (likely_spilled_retval_1): Fix masking operation.
3534 (likely_spilled_retval_p): Use proper pattern for call to
3535 likely_spilled_retval_1.
3537 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3539 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
3541 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
3542 that tests for CONSTANT_POOL_ADDRESS_P.
3544 2006-11-15 Jakub Jelinek <jakub@redhat.com>
3546 PR tree-optimization/29581
3547 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
3548 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
3549 type is different between Y and USE, create a temporary
3550 variable, initialize it at the beginning of the body bb
3551 and use it as replacement instead of Y.
3553 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
3556 * gimplify.c (fold_indirect_ref_rhs): Use
3557 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
3559 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
3561 * expmed.c (emit_store_flag_1): New function.
3562 (emit_store_flag): Call it. If we can't find a suitable scc insn,
3564 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
3565 Use do_compare_rtx_and_jump.
3566 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
3567 * arm.md (cstoresi4): New define_expand.
3568 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
3569 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
3570 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
3572 2006-11-14 Caroline Tice <ctice@apple.com>
3574 * dwarf2out.c (debug_pubtypes_section): New static global variable.
3575 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
3577 (pubname_table): Redefine as a vector.
3578 (pubtype_table): New static global variable, defined as a vector.
3579 (pubname_table_allocated): Remove static global variable.
3580 (pubname_table_in_use): Remove static global variable.
3581 (PUBNAME_TABLE_INCREMENT): Remove constant.
3582 (size_of_pubnames): Add parameter to deal with either pubnames or
3583 pubtypes, and change code to deal with table being a vector.
3584 (add_pubname): Change to deal with table being a vector.
3585 (add_pubtype): New function.
3586 (output_pubnames): Add parameter to deal with either pubnames or
3587 pubtypes, and change code to deal with table being a vector.
3588 (gen_array_type_die): Add call to add_pubtype.
3589 (gen_enumeration_type_die): Add call to add_pubtype.
3590 (gen_struct_or_union_type_die): Add call to add_pubtype.
3591 (gen_subroutine_type_die): Add call to add_pubtype.
3592 (gen_typedef_die): Add call to add_pubtype.
3593 (dwarf2out_init): Add code to initialize pubname_table and
3594 pubtype_table vectors; also initialize debug_pubtypes_section.
3595 (prune_unused_types): Change to deal with pubnames being a vector.
3596 (dwarf2out_finish): Change to deal with pubnames being a vector; add
3597 pubnames table to call to output_pubnames; Add code to output pubtypes
3598 table if DEBUG_PUBTYPES_SECTION is defined.
3599 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
3601 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
3603 2006-11-14 Joseph Myers <joseph@codesourcery.com>
3605 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
3606 iwmmxt_nregs if TARGET_IWMMXT_ABI.
3607 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
3608 movv2si_internal): Support moves between core registers.
3610 2006-11-14 Eric Christopher <echristo@apple.com>
3612 * configure: Regenerate with autoconf 2.59.
3614 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
3616 Fix PR tree-optimization/27755
3618 * tree-ssa-pre.c: Update comments.
3619 (bb_bitmap_sets): Add pa_in and deferred member.
3620 (BB_DEFERRED): New macro.
3621 (maximal_set): New variable.
3622 (pre_stats): Add pa_insert member.
3623 (bitmap_set_and): Short circuit orig == dest.
3624 (bitmap_set_subtract_values): New function.
3625 (bitmap_set_contains_expr): Ditto.
3626 (translate_vuses_through_block): Add phiblock argument.
3627 (dependent_clean): New function.
3628 (compute_antic_aux): Update for maximal_set changes.
3629 (compute_partial_antic_aux): New function.
3630 (compute_antic): Handle partial anticipation.
3631 (do_partial_partial_insertion): New function.
3632 (insert_aux): Handle partial anticipation.
3633 (add_to_sets): Add to maximal set.
3634 (compute_avail): Ditto.
3635 (init_pre): Initialize maximal_set.
3636 (execute_pre): Do partial anticipation if -O3+.
3638 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
3640 PR rtl-optimization/29798
3642 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
3643 TARGET_INSN before any other check.
3644 (fwprop_init): Always calculate dominators.
3645 (fwprop_done): Always free them.
3647 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3649 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
3652 2006-11-13 DJ Delorie <dj@redhat.com>
3654 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
3655 temporary for intermediates.
3657 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
3659 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
3660 (sh_optimize_target_register_callee_saved): #if 0 the code
3661 using NOTE_INSN_LOOP_{BEG,END}.
3663 2006-11-13 Roger Sayle <roger@eyesopen.com>
3665 * fold-const.c (optimize_bit_field_compare): Recursively call
3666 fold when simplifying non-constant comparisons between bit-fields.
3668 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3670 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
3672 * configure: Rebuilt.
3674 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
3676 * config/rs6000/cell.md: New file.
3677 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
3679 (ppccell_cost): New cost matrix.
3680 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
3681 (rs6000_override_options): Set rs6000_always_hint to false
3682 for cell. Also align functions/lables/loops to 8byte
3683 for the Cell. Use PROCESSOR_CELL.
3684 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
3685 using_mtcr_multiple.
3686 (rs6000_variable_issue): If the insn is a nonpipelined instruction
3687 on the Cell, return 0.
3688 (rs6000_adjust_cost): Add Cell cost adjustments.
3689 (is_microcoded_insn): Return true for Cell microcoded
3691 (is_nonpipeline_insn): New function.
3692 (rs6000_issue_rate): Add PROCESSOR_CELL.
3693 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
3695 (rs6000_use_sched_lookahead_guard): New function.
3696 (rs6000_sched_reorder): Reorder the ready list, if the second
3697 to last ready insn is a nonepipeline insn on the Cell.
3698 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
3699 (ASM_CPU_SPEC): Add Cell.
3700 * config/rs6000/rs6000.md (cpu): Add Cell.
3701 (cell_micro): New Attr.
3704 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3706 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
3708 * configure: Rebuilt.
3710 2006-11-13 Richard Guenther <rguenther@suse.de>
3712 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
3714 (ix86_expand_lfloorceil): Likewise.
3715 (ix86_expand_rint): Likewise.
3716 (ix86_expand_floorceildf_32): Likewise.
3717 (ix86_expand_floorceil): Likewise.
3718 (ix86_expand_rounddf_32): Likewise.
3719 (ix86_expand_truncdf_32): Likewise.
3720 (ix86_expand_round): Likewise.
3722 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3723 Mark Mitchell <mark@codesourcery.com>
3725 * gcc.c: Organize search path variables into $prefix relative,
3726 and well-known native. Add comments.
3727 (add_sysrooted_prefix): Add comment.
3728 (process_command): If !gcc_exec_prefix add $prefix based paths.
3729 If *cross_compile == '0', add native well-known paths.
3730 Assert tooldir_base_prefix is always relative.
3731 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3732 use this value for 'install:' path.
3733 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3735 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3737 * config/i386/i386.c: Fix a typo in comment.
3739 2006-11-13 Michael Matz <matz@suse.de>
3741 * genemit.c (gen_expand): Allocate enough memory.
3743 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3745 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3746 __GXX_TYPEINFO_EQUALITY_INLINE but not
3747 __GXX_MERGED_TYPEINFO_NAMES.
3748 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3749 __GXX_MERGED_TYPEINFO_NAMES.
3750 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3751 __GXX_TYPEINFO_EQUALITY_INLINE.
3753 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3754 Zdenek Dvorak <dvorakz@suse.cz>
3756 PR tree-optimization/29680
3757 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3760 2006-11-12 Jason Merrill <jason@redhat.com>
3761 Andrew Pinski <pinskia@physics.uc.edu>
3764 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3766 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3768 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3769 * tree.c (build_vector): Handle non-_CST elements.
3771 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3773 * genemit.c (gen_insn): Call gen_exp with a non-null used
3774 when handling multiple insns.
3775 (gen_expand): Likewise.
3776 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3777 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3778 (movsi_const_16bit+1): Copy operands[1].
3779 (call_pcrel): Copy the call_site pattern.
3780 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3782 2006-11-12 Roger Sayle <roger@eyesopen.com>
3784 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3785 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3786 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3787 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3789 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3791 Fix PR tree-optimization/29587
3792 * tree-ssa-structalias.c (process_constraint): Don't
3793 mark address taken due only to escaped vars constraint.
3795 2006-11-12 Michael Matz <matz@suse.de>
3796 Roger Sayle <roger@eyesopen.com>
3798 PR rtl-optimization/29797
3799 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3800 BITS_BIG_ENDIAN targets.
3802 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3804 * builtins.c (fold_builtin_cosh): New.
3805 (fold_builtin_1): Use it.
3806 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3807 trunc to the list of "odd" functions. Also add llrint, lrint,
3808 rint and nearbyint when flag_rounding_math is false.
3810 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3812 * tree-flow.h (name_mappings_registered_p): Declare.
3813 * tree-into-ssa.c (name_mappings_registered_p): New function.
3814 * tree-cfg.c (tree_can_merge_blocks_p): Check
3815 name_mappings_registered_p instead of need_ssa_update_p.
3817 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3819 * tree-ssa-loop.c (tree_vectorize): Return the result of
3821 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3822 if anything changed.
3823 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3824 * tree-flow.h (vectorize_loops): Declaration changed.
3826 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3828 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3830 (issue_prefetch_ref): Move assignment to write_p out of loop.
3831 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3832 SIMULTANEOUS_PREFETCHES into account.
3833 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3834 * lambda-code.c (lcm): Renamed to ...
3835 (least_common_multiple): ... and exported.
3836 * tree-flow.h (least_common_multiple): Declare.
3838 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3840 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3841 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3842 ud-chains. Handle AND_EXPR.
3843 (record_estimate): Record whether the estimate is realistic
3844 and whether it is derived from a loop exit.
3845 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3846 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3848 (compute_estimated_nb_iterations): Take only realistic bounds into
3849 account. Set estimate_state. Use double_ints.
3850 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3851 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3852 that do not have to be always executed.
3853 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3854 to determine whether to call infer_loop_bounds_from_undefined
3855 and compute_estimated_nb_iterations.
3856 (n_of_executions_at_most): Use double_ints.
3857 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3858 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3859 * double-int.c (double_int_to_tree): Improve comment.
3860 (double_int_fits_to_tree_p): New function.
3861 * double-int.h (double_int_fits_to_tree_p): Declare.
3862 * tree-data-ref.c: Include langhooks.h.
3863 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3864 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3865 (analyze_array): Do not pass estimate_only argument to
3866 analyze_array_indexes.
3867 (get_number_of_iters_for_loop): Build tree from the stored double_int
3869 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3870 (find_data_references_in_loop): Use find_data_references_in_stmt.
3871 * tree-data-ref.h (struct data_ref_loc_d): New.
3872 (get_references_in_stmt): Declare.
3873 (estimate_iters_using_array): Declaration removed.
3874 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3875 double_int. Improve comments. Add is_exit and realistic
3877 (struct loop): Changed type of estimated_nb_iterations to double_int.
3878 Added estimate_state field.
3879 (record_estimate): Declaration removed.
3881 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3883 * params.c (set_param_value): Initialize the "set" field.
3884 * params.h (struct param_info): Add "set" field.
3885 (PARAM_SET_P): New macro.
3886 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3887 L1_CACHE_LINE_SIZE): New macros.
3888 * toplev.c (DEFPARAM): Initialize the "set" field.
3889 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3890 SIMULTANEOUS_PREFETCHES): Removed.
3891 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3892 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3893 * config/sparc/sparc.c: Include params.h.
3894 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3895 L1_CACHE_LINE_SIZE parameters.
3896 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3898 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3900 * config/i386/i386.c: Include params.h.
3901 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3902 (override_options): Set SIMULTANEOUS_PREFETCHES and
3903 L1_CACHE_LINE_SIZE parameters.
3904 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3905 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3906 L1_CACHE_LINE_SIZE parameters.
3907 * config/ia64/ia64.c (ia64_optimization_options): Set
3908 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3909 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3911 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3912 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3913 * doc/invoke.texi: Document new params.
3915 2006-11-12 Roger Sayle <roger@eyesopen.com>
3917 PR tree-optimization/13827
3918 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3921 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3923 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3924 update_single_exit_for_duplicated_loops): New functions.
3925 (duplicate_loop_to_header_edge): Use
3926 update_single_exit_for_duplicated_loops.
3927 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3928 functions only with ENABLE_CHECKING.
3930 2006-11-12 Andreas Schwab <schwab@suse.de>
3932 * except.c (sjlj_emit_function_enter): Remove unused variable.
3934 2006-11-11 Roger Sayle <roger@eyesopen.com>
3936 * fold-const.c (int_binop_types_match_p): New function.
3937 (size_binop): Relax constraint that both arguments must both have
3938 exactly the same sizetype type. Instead use int_binop_types_match_p.
3939 (size_diffop): Likewise.
3941 (make_range): Use build_int_cst instead of fold_convert.
3942 (fold_cond_expr_with_comparison): Use build_int_cst to construct
3943 integer constants of the correct type.
3944 (fold_div_compare): Likewise.
3945 (fold_single_bit_test): Likewise.
3946 (fold_binary): Likewise.
3947 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
3948 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
3950 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3953 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
3954 non null value if the struct memory access is in the 0th
3957 2006-11-12 Jie Zhang <jie.zhang@analog.com>
3960 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3961 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3964 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
3965 instead of builtin_define for bfin and BFIN.
3967 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3969 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3972 2006-11-11 Jan Hubicka <jh@suse.cz>
3974 * extend.texi (__builtin_expect): We no longer require second argument
3976 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
3977 * builtins.c (expand_builtin_expect): Simplify.
3978 (expand_builtin_expect_jump): Kill.
3979 * final.c (final_scan_insn): Do not skip the removed notes.
3980 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
3981 EXPECTED_VALUE): Remove.
3982 * dojump.c (do_jump): Do not care about __builtin_expect.
3983 * predict.c (expected_value_to_br_prob): Kill.
3984 * function.c (expand_function_end): Do not expand
3985 NOTE_INSN_REPEATED_LINE_NUMBER.
3986 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
3987 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
3988 * cfgexpand.c (add_reg_br_prob_note): Export.
3989 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3990 expected_value_to_br_prob.
3991 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
3992 * rtl.h (add_reg_br_prob_note): Declare.
3994 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3996 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
3998 2006-11-11 Jan Hubicka <jh@suse.cz>
4000 * predict.c (predict_loops): Kill RTL variant.
4002 2006-11-11 Jan Hubicka <jh@suse.cz>
4004 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
4005 * modulo-sched.c (find_line_note): Remove.
4006 (loop_canon_p): Do not worry about line number notes.
4007 (sms_schedule): Likewise.
4008 * cse.c (cse_main): Likewise.
4009 * regmove.c (fixup_match_1): Likewise
4010 * function.c (emit_return_info_block): Likewise.
4011 (expand_function_end): Likewise.
4012 (thread_prologue_an_epilogue_insns): Likewise.
4013 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
4015 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
4016 emit_note_copy_after): Kill.
4017 (emit_note_copy): Do not worry about line numbers.
4018 * jump.c (purge_line_number_notes): Kill.
4019 (pass_purge_lineno_notes): Kill.
4020 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
4022 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
4023 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
4024 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
4025 * tree-pass.h (pass_purge_lineno_notes): Kill.
4026 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
4027 rm_redundant_line_notes.
4028 * sched-rgb.c (schedule_region): Don't rm_line_notes,
4029 rm_redundant_line_notes.
4030 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
4031 * haifa-sched.c: Update comment about handling notes.
4032 (unlink_line_notes): Kill.
4033 (rm_line_notes): Kill.
4034 (save_line_notes): Simplify.
4035 (rm_redundant_line_notes): Kill.
4037 2006-11-11 Richard Guenther <rguenther@suse.de>
4039 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
4040 Remove unused tree codes.
4041 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
4042 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
4043 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4044 * tree.c (stabilize_reference): Likewise.
4045 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
4046 fold_unary): Likewise.
4047 * tree-gimple.c (is_gimple_cast): Likewise.
4048 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
4049 * expr.c (expand_expr_real_1): Likewise.
4050 * tree-eh.c (tree_could_trap_p): Likewise.
4051 * gimplify.c (gimplify_expr): Likewise.
4052 * tree-inline.c (estimate_num_insns_1): Likewise.
4053 * tree-cfg.c (verify_expr): Likewise.
4055 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
4057 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
4058 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
4059 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
4061 2006-11-11 Richard Sandiford <richard@codesourcery.com>
4064 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
4065 constraints accept neither registers or memories.
4067 2006-11-11 Jie Zhang <jie.zhang@analog.com>
4069 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
4070 (NO_PROFILE_COUNTERS): Define as 1.
4072 2006-11-10 Roger Sayle <roger@eyesopen.com>
4074 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
4075 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
4077 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
4079 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
4081 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4083 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
4084 (fold_builtin_hypot): Likewise.
4085 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
4087 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
4089 2006-11-10 Roger Sayle <roger@eyesopen.com>
4091 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
4092 when attempting to build INTEGER_CSTs of non-integral types.
4093 * expmed.c (make_tree): Use the correct type, i.e. the inner
4094 type, when constructing the individual elements of a CONST_VECTOR.
4096 2006-11-10 Jan Hubicka <jh@suse.cz>
4098 * cse.c (cse_process_notes): Copy the propagated value.
4099 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
4101 * gcse.c (try_replace_reg): Copy the replacement.
4102 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
4103 (assign_386_stack_local): Always return copied memory expression
4104 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
4107 2006-11-10 Jan Hubicka <jh@suse.cz>
4109 * final.c (final): Walk from first instruction.
4110 * cfglayout.c (insn_locators_initialize): Remove line number notes.
4112 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
4115 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
4117 (umulv8hi3_highpart): Ditto.
4118 (vec_widen_smult_hi_v8hi): New expander.
4119 (vec_widen_smult_lo_v8hi): Ditto.
4121 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4124 * builtins.c (do_mpfr_arg3): New.
4125 (fold_builtin_1): Handle builtins fma, fmin and fmax.
4127 2006-11-09 Eric Christopher <echristo@apple.com>
4132 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
4133 * config.gcc (powerpc64-*-darwin*): New target.
4134 * config.host: Ditto.
4135 * config/rs6000/darwin64.h: New file.
4136 * config/rs6000/x-darwin64: Ditto.
4137 * config/rs6000/host-ppc64-darwin.c: Ditto.
4139 2006-11-09 Steve Ellcey <sje@cup.hp.com>
4141 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
4142 routines for integer division.
4144 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
4146 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
4148 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4151 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
4153 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4155 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
4156 simplify_subreg with BLKmode outer mode.
4158 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
4160 * doc/invoke.texi: Minor formatting fixes in option lists.
4162 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
4164 PR tree-optimization/29738
4165 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
4166 (ccp_lattice_t): Remove UNKNOWN_VAL.
4167 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
4168 Do not handle UNKNOWN_VAL.
4169 (get_default_value): Set initial value of virtual operands to
4171 (get_value): Always use get_default_value on uninitialized
4173 (set_value_varying, surely_varying_stmt_p): New functions.
4174 (set_lattice_value): Do not pass argument to get_value.
4175 Do not handle UNKNOWN_VAL.
4176 (likely_value): Follow the semantics described in the comment.
4177 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
4178 phi nodes DONT_SIMULATE_AGAIN.
4179 (ccp_fold): Do not pass argument to get_value.
4180 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
4183 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4185 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4186 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
4188 2006-11-08 Roger Sayle <roger@eyesopen.com>
4190 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
4191 test for inclusion rather than as a test for exclusion.
4192 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
4193 the condition after calling fold_binary.
4194 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
4195 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
4196 * builtins.c (fold_builtin_isascii): Likewise.
4197 (fold_builtin_isdigit): Likewise.
4199 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
4201 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
4202 * configure: Regenerate.
4204 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4206 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
4207 enum argument instead of bool.
4208 (vect_analyze_operations): Call vectorizable_type_promotion.
4209 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
4210 stmt_vec_info_type value.
4211 (supportable_widening_operation, vectorizable_type_promotion): New
4212 function declarations.
4213 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
4214 (vectorizable_type_promotion): New function.
4215 (vect_transform_stmt): Call vectorizable_type_promotion.
4216 * tree-vect-analyze.c (supportable_widening_operation): New function.
4217 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
4219 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4222 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
4223 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
4224 * tree-inline.c (estimate_num_insns_1): Add cases for above new
4226 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4227 * expr.c (expand_expr_real_1): Likewise.
4228 * optabs.c (optab_for_tree_code): Likewise.
4229 (init_optabs): Initialize new optabs.
4230 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
4231 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
4232 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
4233 vec_unpacku_lo_optab): Initialize new optabs.
4234 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
4235 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
4236 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
4238 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
4239 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
4240 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
4241 (vec_unpacku_lo_optab): New optabs.
4242 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
4243 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
4244 (vec_widen_smult_hi, vec_widen_smult_lo): New.
4245 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
4246 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
4247 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
4249 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
4250 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
4251 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
4252 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
4253 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
4254 implement the unsigned unpacking patterns.
4255 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
4256 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
4257 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
4258 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
4259 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
4260 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
4261 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
4262 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
4263 multiplication patterns.
4265 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
4266 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
4267 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4268 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
4269 (rs6000_builtin_mul_widen_odd): New.
4270 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
4271 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
4272 * tree-vectorizer.h (enum vect_relevant): New enum type.
4273 (_stmt_vec_info): Field relevant chaned from bool to enum
4275 (STMT_VINFO_RELEVANT_P): Updated.
4276 (STMT_VINFO_RELEVANT): New.
4277 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
4278 instead of STMT_VINFO_RELEVANT_P.
4279 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
4280 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
4281 and boolean variable with enum vect_relevant.
4282 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
4283 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
4284 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4286 2006-11-08 Richard Henderson <rth@redhat.com>
4288 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
4289 vec_widen_umult_lo_v8hi): New.
4290 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
4291 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
4293 * config/i386/i386.c (ix86_expand_sse_unpack): New.
4294 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
4295 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
4296 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
4297 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
4298 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
4299 vec_unpacks_lo_v4si): New.
4301 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4303 * tree-vect-transform.c (vectorizable_type_demotion): New function.
4304 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
4305 (vect_analyze_operations): Call vectorizable_type_demotion.
4306 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
4307 stmt_vec_info_type value.
4308 (vectorizable_type_demotion): New function declaration.
4309 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4312 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
4313 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
4315 * tree-iniline.c (estimate_num_insns_1): Likewise.
4316 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4317 * optabs.c (optab_for_tree_code): Likewise.
4319 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
4320 compared against the predicate of the result is not 'mode' (the input
4321 to the function) but a mode with half the size of 'mode'.
4322 (init_optab): Initialize new optabs.
4323 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
4325 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
4327 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
4328 (vec_pack_usat_optab): Initialize new optabs.
4329 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
4330 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
4332 2006-11-08 Richard Henderson <rth@redehat.com>
4334 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
4335 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
4336 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
4337 (vec_interleave_highv4si, vec_interleave_lowv4si):
4338 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
4340 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4342 * tree-vect-transform.c (vectorizable_reduction): Support multiple
4344 (vect_transform_stmt): Removed redundant code.
4346 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4348 * tree-vect-transform.c (vectorizable_operation): Support multiple
4351 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4353 * tree-vect-transform.c (vect_align_data_ref): Removed.
4354 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
4355 Updated function documentation. Return the increment stmt in ptr_incr.
4356 (bump_vector_ptr): New function.
4357 (vect_get_vec_def_for_stmt_copy): New function.
4358 (vect_finish_stmt_generation): Create a stmt_info to newly created
4360 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
4362 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
4363 VF is greater than the number of elements that can fit in one vector
4365 (vectorizable_operation, vectorizable_condition): Likewise.
4366 (vectorizable_store, vectorizable_load): Support the case that the VF
4367 is greater than the number of elements that can fit in one vector word.
4368 (vect_transform_loop): Don't fail in case of multiple data-types.
4369 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
4370 in case of multiple data-types; the smallest type determines the VF.
4371 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
4372 if they are of different sizes.
4373 (vect_update_misalignment_for_peel): Compare misalignments in terms of
4374 number of elements rather than number of bytes.
4375 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
4376 (vect_can_advance_ivs_p): Fix a dump printout
4378 2006-11-07 Eric Christopher <echristo@apple.com>
4380 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
4381 (__bswapsi2): Ditto.
4382 * libgcc2.h: Remove transformation of bswap routines.
4383 * config/i386/i386.md (bswapsi2): New.
4386 2006-11-07 Jakub Jelinek <jakub@redhat.com>
4388 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
4389 (handle_gnu_inline_attribute): New function.
4390 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
4391 (merge_decls, start_decl, start_function): Likewise.
4392 * doc/extend.texi: Document gnu_inline attribute.
4394 2006-11-07 Steve Ellcey <sje@cup.hp.com>
4397 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
4398 _fixunstfdi, and _floatditf
4400 2006-11-06 Anatoly Sokolov <aesok@post.ru>
4402 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
4404 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
4405 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
4406 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
4407 which start in an odd register.
4409 2006-11-07 Richard Sandiford <richard@codesourcery.com>
4411 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
4413 2006-11-07 Josh Conner <jconner@apple.com>
4415 * doc/invoke.texi (fstrict-aliasing): Move implementation
4417 * doc/tree-ssa.texi (Alias analysis): ...here.
4419 2006-11-07 Richard Guenther <rguenther@suse.de>
4421 PR tree-optimization/29610
4422 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
4423 of tree_purge_dead_eh_edges as it may free dominators.
4425 * g++.dg/other/pr29610.C: New testcase.
4427 2006-11-07 David Ung <davidu@mips.com>
4429 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
4430 costs when optimizing for size.
4431 (override_options): Use mips_rtx_cost_optimize_size table for cost
4434 2006-11-07 Jie Zhang <jie.zhang@analog.com>
4436 * gcc.c (process_command): Treat -b as normal switch if its argument
4439 2006-11-07 David Ung <davidu@mips.com>
4441 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
4444 2006-11-06 Eric Christopher <echristo@apple.com>
4446 * config.gcc: Add x86_64-darwin host support.
4447 * config.host: Ditto.
4448 * config/i386/darwin64.h: New file.
4449 * config/i386/t-darwin64: Ditto.
4451 2006-11-06 Janis Johnson <janis187@us.ibm.com>
4453 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
4454 and output-exists-not.
4456 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4459 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
4460 checking for overflow.
4462 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
4464 * configure.ac: Fixed typo in case statement: :: changed to ;;
4466 2006-11-06 Bob Wilson <bob.wilson@acm.org>
4468 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
4469 count_leading_zeros, and count_trailing_zeros.
4470 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
4471 (TARGET_FOLD_BUILTIN): Define.
4472 (TARGET_EXPAND_BUILTIN): Define.
4473 (xtensa_init_builtins): New.
4474 (xtensa_fold_builtin): New.
4475 (xtensa_expand_builtin): New.
4476 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
4477 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
4478 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4479 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
4480 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
4481 (any_extend): New code macro.
4482 (u, su): New code attributes.
4483 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
4484 (nsau): Remove; replaced by clzsi2.
4485 (ffssi2): Use clzsi2.
4486 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
4487 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
4488 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
4489 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
4490 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
4492 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
4494 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
4496 * config/arm/t-strongarm-elf: Likewise.
4497 * config/arm/t-pe: Likewise.
4498 * config/arm/t-arm-elf: Likewise.
4499 * config/arm/t-xscale-elf: Likewise.
4500 * config/arm/t-arm-coff: Likewise.
4501 * config/arm/t-xscale-coff: Likewise.
4502 * config/arm/t-wince-pe: Likewise.
4504 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
4506 * config/sh/lib1funcs-4-300.asm: Guard entire file with
4509 2006-11-05 Jakub Jelinek <jakub@redhat.com>
4512 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
4515 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4518 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
4519 as a valid 80387 constant.
4520 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
4521 * config/i386/i386.md (unnamed splitter): Split the load of
4522 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
4525 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
4527 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
4528 from the soft-frame, argument and virtual registers.
4530 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4532 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
4533 patterns for standard 80387 constants.
4535 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
4536 Steven Bosscher <steven@gcc.gnu.org>
4538 * fwprop.c: New file.
4539 * Makefile.in: Add fwprop.o.
4540 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
4541 * passes.c (init_optimization_passes): Schedule forward propagation.
4542 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
4544 * timevar.def (TV_FWPROP): New.
4545 * common.opt (-fforward-propagate): New.
4546 * opts.c (decode_options): Enable forward propagation at -O2.
4547 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
4548 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
4549 canon_for_address, table_size): Remove.
4550 (new_basic_block, insert, remove_from_table): Remove references to
4552 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
4553 simplification loop more straightforward by not calling fold_rtx
4555 (equiv_constant): Move here a small part of fold_rtx_subreg,
4556 do not call fold_rtx. Call avoid_constant_pool_reference
4558 * recog.h (canonicalize_change_group): New.
4560 * doc/invoke.texi (Optimization Options): Document fwprop.
4561 * doc/passes.texi (RTL passes): Document fwprop.
4563 2006-11-03 Geoffrey Keating <geoffk@apple.com>
4565 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
4566 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
4567 (grokdeclarator): Likewise.
4569 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
4571 * tree-dump.c (dump_enable_all): Rename local variable
4572 ir_type to avoid name conflicts.
4573 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
4574 instead of using ir_type().
4575 * profile.c (tree_register_profile_hooks): Likewise.
4576 * value-prof.c (tree_register_value_prof_hooks): Likewise.
4577 * basic-block.h (struct edge_def): Likewise.
4578 * config/arm/arm.c (legitimize_pic_address): Likewise.
4579 * coretypes.h (ir_type): New enum of all intermediate languages
4581 * cfghooks.c (ir_type): Rename to...
4582 (current_ir_type): ...this. Distinguish between cfgrtl and
4583 cfglayout mode when the current IR is RTL. Return enum ir_type.
4584 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
4586 2006-11-03 Paul Brook <paul@codesourcery.com>
4588 * config/arm/arm.c (arm_file_start): New function.
4589 (TARGET_ASM_FILE_START): Define.
4590 (arm_default_cpu): New variable.
4591 (arm_override_options): Set arm_default_cpu.
4593 2006-11-03 David Ung <davidu@mips.com>
4595 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
4596 PROCESSOR_24KC and PROCESSOR_24KF.
4597 * config/mips/mips.c (mips_cpu_info_table): Add processor names
4598 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
4599 (mips_rtx_cost_data): Add costs for the 24kc.
4600 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
4601 * config/mips/24k.md: Remove references to 24k and replace with
4602 uses of 24kc/24kf in the appropriate reservations.
4603 * doc/invoke.texi (MIPS Options): Updated.
4605 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4607 * config/sh/crt1.asm: Fix #ifdef indent.
4609 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4610 Merged from STMicroelectronics sources:
4611 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
4612 * config/sh/crt1.asm (vbr_600): Add missing #if.
4613 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
4614 * sh.opt (mfused-madd): New option.
4615 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
4616 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4617 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
4618 Remove pointless handler at VBR+0.
4619 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
4620 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
4621 fr7. Make sure the timer handler is called with the correct FPU
4622 precision setting, according to the ABI.
4623 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
4624 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
4625 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
4626 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
4627 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
4628 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
4629 zero as second operand.
4630 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
4631 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4632 Fixed some bugs related to negative values, in particular -0
4633 and overflow at -0x80000000.
4634 * config/sh/divcost-analysis: Added sh4-300 figures.
4635 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
4636 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
4637 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
4638 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
4639 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
4640 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4642 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
4644 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
4645 SH4-300 scheduling description & fixes to SH4-[12]00 description:
4646 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
4647 mac_mem, mem_mac, dfp_mul, fp_cmp.
4648 (insn_class, dfp_comp, any_fp_comp): Update.
4649 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
4650 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
4651 (muldf3_i): Likewise.
4652 (movsi_i): Split rI08 alternative into two separate alternatives.
4654 (movsi_ie, movsi_i_lowpart): Likewise.
4655 (movqi_i): Split ri alternative into two separate alternatives.
4657 * sh1.md (sh1_load_store, sh1_fp): Update.
4658 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
4659 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
4660 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
4661 (sh4a_fp_double_arith): Likewise.
4662 * sh4-300.md: New file.
4663 * sh.c (sh_handle_option): Handle m4-300* options.
4664 (sh_adjust_cost): Fix latency of auto-increments.
4665 Handle SH4-300 differently than other SH4s. Check for new insn types.
4666 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
4667 been set by an option.
4668 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
4669 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
4670 (mbranch-cost=): Likewise.
4671 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
4673 * sh.md (mulsf3): Remove special expansion code.
4674 (mulsf3_ie): Now a define_insn_and_split.
4675 (macsf3): Allow for TARGET_SH4.
4677 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
4678 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
4679 (expand_cbranchdi4): Likewise.
4680 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
4681 CONST_DOUBLE if the outer code is COMPARE.
4682 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
4683 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
4684 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
4685 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
4686 Remove redundant fp_{zero,one}_operand checks.
4687 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
4688 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
4689 (expand_cbranchdi4): Likewise.
4690 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
4691 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
4693 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
4695 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
4698 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
4700 * doc/invoke.texi: Fix mfp-trap-mode typo.
4702 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
4704 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
4705 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
4706 file_end_indicate_exec_stack.
4707 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
4709 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
4710 for a non-executable stack.
4711 * crti.asm: Likewise.
4712 * crtn.asm: Likewise.
4713 * libunwind.S: Likewise.
4715 2006-11-02 Ben Elliston <bje@au.ibm.com>
4717 * tree-ssa.c (warn_uninit): Use expand_location variables for
4718 locus and declaration locus.
4720 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4723 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4724 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4725 cmp{eq,gt,gtu}{si,di}_media.
4726 (*cmpne0si_media): Remove.
4727 (*movsicc_umin): Adjust gen_cmp*_media call.
4728 (unordered): Change the mode of unordered and operands[1] to
4730 (seq): Adjust gen_cmp*_media calls. Make the mode of
4731 a temporary result of compare SImode if needed. If the mode
4732 of operands[0] is DImode, extend the temporary result to DImode.
4733 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4734 (sunorderd): Change the mode of match_operand and unorderd to
4736 (cmpeq{sf,df}_media): Remove.
4737 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4738 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4739 and compare operation to SImode.
4741 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4743 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4745 (sparc64-sun-solaris2*): Likewise.
4747 2006-11-02 Paul Brook <paul@codesourcery.com>
4749 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4750 from priority argument. Use different section for non-default
4752 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4754 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4757 * except.c (switch_to_exception_section): Do not cache the section
4758 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4759 and flag_function_sections is set.
4761 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4764 * builtins.c (do_mpfr_sincos): New.
4765 (fold_builtin_1): Use it to fold builtin sincos.
4767 2006-11-01 Roger Sayle <roger@eyesopen.com>
4769 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4770 it into -D_REENTRANT.
4772 2006-11-01 Roger Sayle <roger@eyesopen.com>
4774 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4775 whether the assembler supports taking the difference of symbols in
4776 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4777 * configure: Regenerate.
4778 * config.in: Regenerate.
4779 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4780 the assembler doesn't support taking the difference of symbols in
4781 different sections, i.e. we're using the native solaris assembler.
4783 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4784 Peter Bergner <bergner@vnet.ibm.com>
4786 * doc/invoke.texi: Add cpu_type power6x
4787 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4788 * config.gcc: Add cpu_type power6x.
4789 * configure.ac: Add test for mf{t,f}gpr instructions.
4790 (HAVE_AS_MFPGPR): New.
4791 * config.in: Regenerate.
4792 * configure: Regenerate.
4793 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4794 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4795 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4796 and mftgpr attributes.
4797 (define_attr "cpu"): Add power6.
4798 Change instruction sequences to use new attributes.
4799 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4800 (fix_truncdfsi2_mfpgpr): New.
4801 (floatsidf_ppc64_mfpgpr): New.
4802 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4803 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4804 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4805 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4806 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4807 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4808 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4809 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4810 cntlz,exts and var_delayed_compare.
4811 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4812 _ARCH_PWR6X, if features enabled.
4813 * config/rs6000/rs6000.opt (mmfpgpr): New.
4814 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4815 (cached_can_issue_more): New variable.
4816 (processor_costs): Add power6_cost.
4817 (rs6000_sched_init): New function.
4818 (is_dispatch_slot_restricted): Deleted.
4819 (set_to_load_agen): New function.
4820 (is_load_insn,is_store_insn): New functions.
4821 (adjacent_mem_locations): New function.
4822 (insn_must_be_first_in_group): New function.
4823 (insn_must_be_last_in_group): New function.
4824 (rs6000_sched_reorder): New function.
4825 (rs6000_sched_reorder2): New function.
4826 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4827 TARGET_SCHED_REORDER2): Define.
4828 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4829 Add power6x. Add MASK_MFPGPR for power6x.
4830 (POWERPC_MASKS): Add MASK_MFPGPR.
4831 (rs6000_override_options): Set rs6000_always_hint to false
4832 for power6. Set rs6000_align_branch_targets. Replace
4833 rs6000_sched_groups check with rs6000_align_branch_targets.
4834 Use PROCESSOR_POWER6.
4835 (last_scheduled_insn): New variable.
4836 (load_store_pendulum): New variable.
4837 (rs6000_variable_issue): Set last_scheduled_insn and
4838 cached_can_issue_more.
4839 (rs6000_adjust_cost): Add power6 cost adjustments.
4840 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4841 with insn_must_be_first_in_group. Add power6 priority adjustments.
4842 (rs6000_issue_rate): Add CPU_POWER6.
4843 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4844 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4845 (TARGET_MFPGPR): New.
4846 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4847 (ASM_CPU_SPEC): Add power6x.
4848 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4850 * config/rs6000/power6.md: New file.
4852 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4854 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4855 HOST_WIDE_INT_PRINT to print high and low parts. Use
4856 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4857 printing a hexadecimal number prefix it with 0x.
4859 2006-11-01 Chris Johns <chris@contemporary.net.au>
4862 * Makefile.in (install-driver): Use exeext when installing
4863 $target-gcc-$version.
4865 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4867 * c-common.c (flag_cpp0x): New.
4868 * c-common.h (flag_cpp0x): New.
4869 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4870 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4871 * c-opts.c (set_std_cxx0x): New.
4872 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4873 * c.opt (std=c++0x): Document.
4874 (std=gnu++0x): Ditto.
4875 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4876 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4878 2006-11-01 Richard Guenther <rguenther@suse.de>
4880 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4882 (ix86_expand_floorceildf_32): Likewise.
4883 (ix86_expand_floorceil): Likewise.
4884 (ix86_expand_trunc): Likewise.
4886 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4888 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4891 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4893 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4895 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4897 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4899 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4900 * configure.ac (use_cxa_atexit): As a special case, don't test
4901 for libc definition of __cxa_atexit on mingw32
4902 * configure: Regenerate.
4903 * config.gcc (i[34567]86-pc-mingw32): Default to
4904 enable__cxa_atexit=yes.
4906 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4908 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4910 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4913 * c-decl.c (start_struct): Don't create self-containing
4915 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4917 * config/rs6000/rs6000-protos.h
4918 (darwin_rs6000_special_round_type_align): New.
4919 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4920 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4922 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4924 * toplev.c (compile_file): Call final_write_globals
4925 even if there have been errors.
4927 2006-10-31 Eric Christopher <echristo@apple.com>
4928 Falk Hueffner <falk@debian.org>
4930 * doc/extend.texi (__builtin_bswap32): Document.
4931 (__builtin_bswap64): Ditto.
4932 * doc/libgcc.texi (bswapsi2): Document.
4934 * doc/rtl.texi (bswap): Document.
4935 * optabs.c (expand_unop): Don't widen a bswap.
4936 (init_optabs): Init bswap. Set libfuncs explicitly
4937 for bswapsi2 and bswapdi2.
4938 * optabs.h (OTI_bswap): New.
4939 (bswap_optab): Ditto.
4940 * genopinit.c (optabs): Handle bswap_optab.
4941 * tree.h (tree_index): Add TI_UINT32_TYPE and
4943 (uint32_type_node): New.
4944 (uint64_type_node): Ditto.
4945 * tree.c (build_common_tree_nodes_2): Initialize
4946 uint32_type_node and uint64_type_node.
4947 * builtins.c (expand_builtin_bswap): New.
4948 (expand_builtin): Call.
4949 (fold_builtin_bswap): New.
4950 (fold_builtin_1): Call.
4951 * fold-const.c (tree_expr_nonnegative_p): Return true
4953 * builtin-types.def (BT_UINT32): New.
4955 (BT_FN_UINT32_UINT32): Ditto.
4956 (BT_FN_UINT64_UINT64): Ditto.
4957 * builtins.def (BUILT_IN_BSWAP32): New.
4958 (BUILT_IN_BSWAP64): Ditto.
4959 * rtl.def (BSWAP): New.
4960 * genattrtab.c (check_attr_value): New.
4961 * libgcc2.c (__bswapSI2): New.
4962 (__bswapDI2): Ditto.
4963 * libgcc2.h (__bswapSI2): Declare.
4964 (__bswapDI2): Ditto.
4965 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
4966 * simplify-rtx.c (simplify_const_unary_operation): Return
4968 * libgcc-std.ver (__bwapsi2): Add.
4969 (__bswapdi2): Ditto.
4970 * reload1.c (eliminate_regs_1): Add bswap.
4971 (elimination_effects): Ditto.
4972 * config/i386/i386.h (x86_bswap): New.
4973 (TARGET_BSWAP): Use.
4974 * config/i386/i386.c (x86_bswap): Set.
4976 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4978 * coverage.c (coverage_checksum_string): Update comment.
4979 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
4980 of get_file_function_name.
4981 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
4982 of get_file_function_name_long.
4983 * tree.c (get_file_function_name): Rename from
4984 get_file_function_name_long; improve comment; handle 'I' and 'D'
4985 specially when the target has ctor/dtor support; remove special
4987 (get_file_function_name): Remove.
4988 * tree.h (get_file_function_name): Rename from
4989 get_file_function_name_long.
4990 (get_file_function_name): Remove prototype.
4992 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4994 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
4995 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
4997 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
4998 Call dsymutil when compiling and linking one or more source files
5001 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5004 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
5006 2006-10-31 Geoffrey Keating <geoffk@apple.com>
5008 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
5009 inline static functions in c99 mode.
5012 * doc/extend.texi (Inline): Update.
5013 * c-tree.h (struct language_function): Remove field 'extern_inline'.
5014 * c-decl.c (current_extern_inline): Delete.
5015 (pop_scope): Adjust test for an undefined nested function.
5016 Add warning about undeclared inline function.
5017 (diagnose_mismatched_decls): Update comments. Disallow overriding
5018 of inline functions in a translation unit in C99. Allow inline
5019 declarations in C99 at any time.
5020 (merge_decls): Boolize variables. Handle C99 'extern inline'
5022 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
5023 C99 inline semantics.
5024 (start_function): Don't clear current_extern_inline. Don't set
5026 (c_push_function_context): Don't push current_extern_inline.
5027 (c_pop_function_context): Don't restore current_extern_inline.
5030 * c-typeck.c (build_external_ref): Warn about static variables
5031 used in extern inline functions.
5032 * c-decl.c (start_decl): Warn about static variables declared
5033 in extern inline functions.
5035 2006-10-31 Roger Sayle <roger@eyesopen.com>
5038 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
5039 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
5040 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
5041 or y is an even integer.
5043 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
5046 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
5047 * gthr-posix95.h (__gthread_active_p): Likewise.
5049 2006-10-31 Richard Guenther <rguenther@suse.de>
5051 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
5052 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
5053 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
5054 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
5055 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
5056 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
5057 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
5058 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
5061 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
5063 * opts.c (decode_options): Disable CSE skip blocks.
5065 2006-10-30 Dirk Mueller <dmueller@suse.de>
5067 * c-common.h (strict_aliasing_warning): Fix whitespace.
5068 * c-decl (start_function): Move code for main decl warning ..
5069 * c-common.c (check_main_parameter_types): .. here.
5070 * c-common.h (check_main_parameter_types): Declare.
5072 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5075 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
5077 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
5079 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
5080 be a PARALLEL containing sets. Return false when out_pat is not
5083 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5085 * config/mips/mips.md (mul<mode>3): Split into...
5086 (mulsi3, muldi3): ...these separate patterns.
5088 2006-10-30 Richard Sandiford <richard@codesourcery.com>
5090 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
5091 but with each set of options separated by spaces.
5093 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
5095 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
5096 dwarf_reg_size_table has been initialized.
5098 2006-10-30 Roger Sayle <roger@eyesopen.com>
5100 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
5101 * ddg.c (print_ddg_edge): Likewise.
5102 * dwarf2out.c (prune_unused_types_walk): Likewise.
5103 * ifcvt.c (noce_try_cmove_arith): Likewise.
5104 * langhooks.c (add_builtin_function): Likewise.
5105 * reg-stack.c (subst_stack_regs_pat): Likewise.
5106 * tree.c (expanded_location): Likewise.
5107 * tree-dump.c (dequeue_and_dump): Likewise.
5109 2006-10-30 David Daney <ddaney@avtrex.com>
5111 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
5113 2006-10-30 Jakub Jelinek <jakub@redhat.com>
5115 PR tree-optimization/29637
5116 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
5117 of the innertype is the innertype itself.
5119 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
5121 * dwarf2out.c (file_name_acquire): Correct typo.
5123 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
5125 * tree.h (tree_value_handle): Remove struct value_set declaration.
5126 Change value_set to bitmap_set.
5127 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
5128 * tree-vn.c (get_value_handle): Made inline and moved to
5130 * tree-flow-inline.h: (has_stmt_ann): New function.
5131 * tree-ssa-pre.c (expressions): New variable.
5132 (next_expression_id): Ditto.
5133 (alloc_expression_id): New function.
5134 (struct value_set): Remove.
5135 (get_expression_id): New function.
5136 (get_or_alloc_expression_id): Ditto.
5137 (expression_for_id): Ditto.
5138 (clear_expression_ids): Ditto.
5139 (FOR_EACH_EXPR_ID_IN_SET): New macro.
5140 (bb_value_sets): Renamed to bb_bitmap_sets.
5141 All value sets replaced with bitmap_sets.
5143 (BB_VISITED): New macro.
5144 (postorder): New variable.
5145 (add_to_value): Removed.
5146 (value_exists_in_set_bitmap): Ditto.
5147 (value_insert_into_set_bitmap): Ditto.
5150 (set_remove): Ditto.
5151 (set_contains_value): Ditto.
5152 (insert_into_set): Ditto.
5154 (find_leader): Ditto.
5155 (bitmap_set_subtract_from_value_set): Ditto.
5156 (value_insert_into_set): Ditto.
5157 (print_value_set): Ditto.
5158 (debug_value_set): Ditto.
5159 (constant_expr_p): New function.
5160 (bitmap_remove_from_set): Ditto.
5161 (bitmap_insert_into_set): Ditto.
5162 (bitmap_set_free): Ditto.
5163 (vh_compare): Ditto.
5164 (sorted_array_from_bitmap_set): Ditto.
5165 (bitmap_set_subtract): Ditto.
5166 (bitmap_set_equal): Ditto.
5167 (debug_bitmap_set): Ditto.
5168 (find_leader_in_sets): Ditto.
5169 (bitmap_set_replace_value): Modify for bitmapped sets.
5170 (phi_translate): Ditto.
5171 (phi_translate_set): Ditto.
5172 (bitmap_find_leader): Ditto.
5173 (valid_in_sets): Ditto.
5174 (union_contains_value): Ditto.
5176 (compute_antic_aux): Ditto. Mark changed blocks.
5177 (compute_antic): Ditto. Iterate in postorder and only over
5179 (compute_rvuse_and_antic_safe): Reuse postorder.
5180 (create_component_ref_by_pieces): Modify for bitmapped sets.
5181 (find_or_generate_expression): Ditto.
5182 (create_expression_by_pieces): Ditto.
5183 (insert_into_preds_of_block): Ditto.
5184 (changed_blocks): New variable.
5185 (do_regular_insertion): Broken out from insert_aux.
5186 (insert_aux): Modified for bitmapped sets.
5187 (find_existing_value_expr): New function.
5188 (create_value_expr_from): Use it.
5189 (insert_extra_phis): Removed.
5190 (print_bitmap_set): Renamed from bitmap_print_value_set.
5191 (compute_avail): Handle RETURN_EXPR.
5192 (init_pre): Modify for bitmapped sets.
5193 * tree-flow.h (has_stmt_ann): New function.
5195 2006-10-29 Roger Sayle <roger@eyesopen.com>
5197 * builtins.c (fold_builtin_floor): Check for the availability of
5198 the C99 trunc function before transforming floor into trunc.
5200 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5202 * builtins.c (fold_builtin_hypot): Rearrange recursive
5203 transformation before others, and also do ABS_EXPR. When
5204 necessary, check flag_unsafe_math_optimizations. When necessary,
5207 2006-10-29 Roger Sayle <roger@eyesopen.com>
5209 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
5210 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
5211 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
5212 Fold -X eq/ne -Y as X eq/ne Y.
5214 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5216 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
5217 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
5218 rather than GENERATE_MULT3_SI in the various define_peephole2s.
5219 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
5220 Use an inclusive test for "mult" rather than "mul".
5221 (rotr<mode>3): Depend on ISA_HAS_ROR.
5222 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
5224 (GENERATE_MULT3_DI): Delete.
5225 (ISA_HAS_64BIT_REGS): Use consistent formatting.
5226 (ISA_HAS_MUL3): New macro.
5227 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
5228 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
5229 (ISA_HAS_CLZ_CLO): Likewise.
5230 (ISA_HAS_DCLZ_DCLO): Delete.
5231 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
5232 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
5233 the VR4120 and VR4130.
5234 (ISA_HAS_MACCHI): Use consistent formatting.
5235 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
5236 (ISA_HAS_ROR): ...this new macro.
5237 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
5238 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
5239 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
5241 2006-10-29 Roger Sayle <roger@eyesopen.com>
5243 PR tree-optimization/15458
5244 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
5247 2006-10-29 Richard Guenther <rguenther@suse.de>
5249 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
5250 (ix86_expand_truncdf_32): Likewise.
5251 * config/i386/i386.c (ix86_expand_trunc): New function expanding
5252 trunc inline for SSE math and -fno-trapping-math and if not
5253 optimizing for size.
5254 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
5255 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
5256 for expanding btrunc inline for SSE math.
5258 2006-10-29 Joseph Myers <joseph@codesourcery.com>
5260 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
5261 Handle tuning for bi-arch i[34567]86-*-linux* like that for
5262 i[34567]86-*-solaris2.1[0-9]*.
5263 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
5264 Define conditionally depending on TARGET_64BIT_DEFAULT.
5265 (SPEC_32, SPEC_64): Define.
5266 (LINK_SPEC): Use them.
5267 * doc/install.texi (--enable-targets=all): Document for x86-linux.
5269 2006-10-29 Richard Guenther <rguenther@suse.de>
5271 * config/i386/i386-protos.h (ix86_expand_round): Declare.
5272 (ix86_expand_rounddf_32): Likewise.
5273 * config/i386/i386.c (ix86_expand_round): New function expanding
5274 round inline for SSE math and -fno-trapping-math and if not
5275 optimizing for size.
5276 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
5277 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
5278 round via ix86_expand_round.
5280 2006-10-29 Richard Guenther <rguenther@suse.de>
5282 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
5283 (ix86_expand_floorceildf_32): Likewise.
5284 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
5285 static helper function.
5286 (ix86_expand_floorceil): Expander for floor and ceil to SSE
5288 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
5289 * config/i386/i386.md (floordf2): Adjust to enable floor
5290 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
5291 -fno-trapping-math is enabled and if not optimizing for size.
5292 (floorsf2, ceildf2, ceilsf2): Likewise.
5293 * config/i386/sse.md (sse_maskcmpsf3): New insn.
5294 (sse2_maskcmpdf3): Likewise.
5296 2006-10-29 Richard Guenther <rguenther@suse.de>
5298 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
5299 rint in case -fno-trapping-math is enabled.
5300 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
5301 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
5302 (ix86_expand_sse_fabs): Likewise.
5303 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
5304 * config/i386/i386.md (rintdf2): Enable for SSE math if
5305 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
5306 (rintsf2): Likewise.
5308 2006-10-29 Richard Guenther <rguenther@suse.de>
5310 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
5311 to conversion optabs.
5312 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
5313 as conversion optab.
5314 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
5315 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
5316 (lfloor_optab, lceil_optab): Adjust defines.
5317 * builtins.c (expand_builtin_int_roundingfn): Adjust for
5318 lfloor and lceil optabs now being conversion optabs.
5319 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
5320 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
5321 New static helper function.
5322 (ix86_expand_lfloorceil): New function to expand lfloor and
5324 * config/i386/i386.md (lfloor<mode>2): Split into ...
5325 (lfloorxf<mode>2): ... x87 variant
5326 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
5327 using ix86_expand_lfloorceil.
5328 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
5330 * doc/md.texi (lfloorMN, lceilMN): Document.
5332 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5334 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
5335 -mno-shared assembler option on mips targets.
5336 * configure, config.in: Regenerate.
5337 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
5338 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
5339 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
5341 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5343 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
5344 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
5346 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
5348 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
5349 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
5352 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5355 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
5356 (fold_builtin_pow): Evaluate constant arguments at compile-time
5358 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
5359 (do_mpfr_ckconv): New helper function.
5360 (do_mpfr_arg1): Use do_mpfr_ckconv.
5361 (do_mpfr_arg2): New.
5363 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
5366 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
5367 (-fdump-rtl-sched): Rename to ..
5368 (-fdump-rtl-sched1): here. Also fix file extension number.
5370 2006-10-28 Richard Guenther <rguenther@suse.de>
5372 * fold-const.c (maybe_canonicalize_comparison): Fix code
5375 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5377 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
5378 (NON_QI_REG_P): Use IN_RANGE.
5379 (REX_INT_REGNO_P): Use IN_RANGE.
5380 (FP_REGNO_P): Use IN_RANGE.
5381 (SSE_REGNO_P): Use IN_RANGE.
5382 (REX_SSE_REGNO_P): Use IN_RANGE.
5383 (MMX_REGNO_P): Use IN_RANGE.
5384 (STACK_REGNO_P): New macro.
5385 (STACK_REG_P): Use STACK_REGNO_P.
5386 (NON_STACK_REG_P): Use STACK_REGNO_P.
5387 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
5388 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
5389 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
5390 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
5391 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
5393 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
5395 * except.h (output_function_exception_table): Add 'const char*' param.
5396 * except.c (switch_to_exception_section): Add 'const char*' param.
5397 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5398 and flag_function_sections is set, use a function-specific section.
5399 (output_function_exception_table): Add 'const char*' param.
5400 Adjust call to switch_to_exception_section.
5401 * final.c (rest_of_handle_final): Adjust calls to
5402 output_function_exception_table.
5403 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
5404 * config.in: Regenerate.
5405 * configure: Likewise.
5407 2006-10-28 Richard Guenther <rguenther@suse.de>
5410 * fold-const.c (maybe_canonicalize_comparison_1): Helper
5411 for maybe_canonicalize_comparison.
5412 (maybe_canonicalize_comparison): New function for canonicalizing
5414 (fold_comparison): Call it to canonicalize comparisons with
5417 2006-10-28 Richard Guenther <rguenther@suse.de>
5420 * builtins.c (expand_builtin_int_roundingfn_2): Expand
5421 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
5422 (expand_builtin): Adjust likewise.
5423 * genopinit.c (optabs[]): Add lround optab.
5424 * optabs.c (init_optabs): Initialize lround_optab.
5425 * optabs.h (enum convert_optab_index): Add COI_lround.
5426 (lround_optab): Define.
5427 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
5428 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
5430 (ix86_expand_lround): New function.
5431 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
5433 * doc/md.texi (lroundMN2): Document.
5435 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5438 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
5439 argument to HOST_WIDE_INT. Update function prototype.
5440 (round_frame_size): Change return type to HOST_WIDE_INT. Change
5441 "size" argument to HOST_WIDE_INT. Update function prototype.
5443 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5445 * config/i386/i386.c (output_387_ffreep): Create output from a
5446 template string for !HAVE_AS_IX86_FFREEP.
5448 2006-10-27 Eric Christopher <echristo@apple.com>
5450 * config/darwin.c: Fix formatting and grammar.
5452 2006-10-27 Jan Hubicka <jh@suse.cz>
5454 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
5455 to be thrown away soon when IGNORE is set.
5456 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
5457 indicating when return value shall not be computed.
5458 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
5460 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
5462 * config/i386/i386.h (TARGET_GEODE):
5463 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
5464 (TARGET_CPU_DEFAULT_geode): New macro.
5465 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
5466 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
5467 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
5468 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
5469 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
5471 (TARGET_CPU_DEFAULT_NAMES): Add geode.
5472 (processor_type): Add PROCESSOR_GEODE.
5474 * config/i386/i386.md: Include geode.md.
5477 * config/i386/i386.c (geode_cost): New initialized global
5479 (m_GEODE, m_K6_GEODE): New macros.
5480 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
5481 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
5482 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
5483 x86_schedule): Use m_K6_GEODE instead of m_K6.
5484 (x86_movx, x86_cmove): Set up m_GEODE.
5485 (x86_integer_DFmode_moves): Clear m_GEODE.
5486 (processor_target_table): Add entry for geode.
5487 (processor_alias_table): Ditto.
5489 * config/i386/geode.md: New file.
5491 * doc/invoke.texi: Add entry about geode processor.
5493 2006-10-27 Mike Stump <mrs@apple.com>
5495 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
5496 __DYNAMIC__ from here back to ...
5497 * config/darwin.h (CPP_SPEC): ... here.
5499 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5500 Nathan Sidwell <nathan@codesourcery.com>
5502 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
5503 when choosing the minimum heapsize.
5505 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5507 * gcc/unwind-dw2.h: Move cfa-related variables into
5508 struct frame_state_reg_info to ensure that the CFA is properly
5509 handled when executing DW_CFA_{remember,restore}_state.
5510 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
5511 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
5512 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
5513 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
5514 gcc/config/rs6000/linux-unwind.h,
5515 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
5516 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
5517 Modify to use new cfa_* fields.
5519 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
5521 * config/s390/s390.c (s390_init_frame_layout): Check positive
5524 2006-10-26 Ben Elliston <bje@au.ibm.com>
5526 * gimplify.c (get_name): Remove extraneous break.
5527 (gimplify_omp_for): Initialise ret with GS_OK.
5529 2006-10-25 Steve Ellcey <sje@cup.hp.com>
5531 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
5532 Add unix98.o to link line.
5534 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5537 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
5538 Calculate compile-time constants using MPFR.
5539 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
5540 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
5542 2006-10-25 Bob Wilson <bob.wilson@acm.org>
5544 * config/xtensa/lib2funcs.S: Use C-style comments.
5546 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
5548 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
5549 (file_table_relative_p): Likewise.
5550 (dwarf2out_finish): Likewise.
5551 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
5553 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
5555 * tree-ssa-structalias.c (intra_create_variable_infos):
5556 Don't recreate nonlocal_all if it already exists.
5558 2006-10-25 Richard Guenther <rguenther@suse.de>
5561 * optabs.h (enum optab_index): Remove OTI_lrint.
5562 (enum convert_optab_index): Add COI_lrint.
5563 (lrint_optab): Adjust.
5564 (expand_sfix_optab): Declare.
5565 * optabs.c (expand_sfix_optab): New function.
5566 (init_optabs): Init lrint_optab as conversion optab.
5567 * genopinit.c (lrint_optab): Change to a conversion optab.
5568 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
5569 expansion via conversion optab.
5570 * config/i386/i386.md (*fistdi2_1): Remove
5571 flag_unsafe_math_optimizations guard.
5572 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
5573 fist<mode>2_with_temp): Likewise.
5574 (lrint<mode>2): Split into...
5575 (lrintxf<mode>2): ... x87 part
5576 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
5577 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
5578 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
5579 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
5580 * doc/md.texi (lrintMN2): Document.
5582 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5585 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
5586 Use inc and dec instructions for TARGET_USE_INCDEC.
5587 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
5588 ("sync_double_compare_and_swap<mode>"): Likewise.
5589 ("*sync_double_compare_and_swapdi_pic"): Likewise.
5590 ("*sync_compare_and_swap_cc<mode>"): Likewise.
5591 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
5592 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
5593 ("sync_old_add<mode>"): Likewise.
5594 ("sync_lock_test_and_set<mode>"): Likewise.
5595 ("sync_lock_test_and_set<mode>"): Likewise.
5596 ("sync_add<mode>"): Likewise.
5597 ("sync_sub<mode>"): Likewise.
5598 ("sync_ior<mode>"): Likewise.
5599 ("sync_and<mode>"): Likewise.
5600 ("sync_xor<mode>"): Likewise.
5602 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5604 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
5605 (remainder_optab): Define corresponding macro.
5606 (drem_optab): Remove.
5607 * optabs.c (init_optabs): Initialize remainder_optab. Remove
5608 drem_optab initialization.
5609 * genopinit.c (optabs): Implement remainder_optab using
5610 remainder?f3 patterns. Remove drem_optab.
5611 * builtins.c (expand_builtin_mathfn_2): Handle
5612 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
5613 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
5614 expand_builtin_mathfn_2.
5616 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
5617 depend on flag_unsafe_math_optimizations.
5619 * config/i386/i386.md ("remaindersf3", "remainderdf3")
5620 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
5621 Do not depend on flag_unsafe_math_optimizations. Use
5622 truncxf?f expander instead of truncxf?f_i387_noop.
5624 ("fpremxf4", "fprem1xf4"): Do not depend on
5625 flag_unsafe_math_optimizations.
5626 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
5627 flag_unsafe_math_optimizations. Use truncxf?f expander
5628 instead of truncxf?f_i387_noop.
5630 * doc/md.texi (fmod, remainder): Document standard named pattern.
5632 2006-10-24 Richard Sandiford <richard@codesourcery.com>
5633 David Daney <ddaney@avtrex.com>
5636 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
5638 2006-10-25 Ben Elliston <bje@au.ibm.com>
5640 * doc/extend.texi (Variable Attributes): Typo fix.
5642 2006-10-24 Uros Bizjak <uros@kss-loka.si>
5644 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
5645 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
5646 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
5647 (FRAME_POINTER_REGNUM): Update register number to 21.
5648 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
5649 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
5651 * config/i386/i386.c (regclass_map): Add fpcr entry.
5652 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
5654 (print_reg): Assert REGNO (x) != FPCR_REG.
5656 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
5657 (DIRFLAG_REG): Renumber.
5658 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
5659 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
5660 (sse_prologue_save, *sse_prologue_save_insn): Renumber
5661 hardcoded SSE register numbers.
5663 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
5664 hardcoded MMX register numbers.
5666 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5669 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
5670 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
5672 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
5673 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
5674 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
5675 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
5677 2006-10-24 Richard Guenther <rguenther@suse.de>
5680 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
5681 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
5682 for deciding optimizations in consistency with fold-const.c
5683 (fold_builtin_unordered_cmp): Likewise.
5685 2006-10-24 Richard Guenther <rguenther@suse.de>
5687 * builtins.c (fold_builtin_floor): Fold floor (x) where
5688 x is nonnegative to trunc (x).
5689 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
5690 nonnegative to FIX_TRUNC_EXPR.
5692 2006-10-24 Richard Guenther <rguenther@suse.de>
5694 PR tree-optimization/29567
5695 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
5696 for TRUTH_NOT_EXPR. Clarify comments.
5698 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5701 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
5702 at compile-time using MPFR. Change parameter VALUE to FUNC,
5704 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
5705 for overflow and underflow at all times and avoid folding in
5708 2006-10-24 Ben Elliston <bje@au.ibm.com>
5710 * reload1.c: Formatting fixes.
5712 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
5714 PR tree-optimization/14784
5715 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
5716 * tree-ssa-structalias.c (get_constraint_for,
5717 intra_create_variable_infos): Set is_heapvar.
5718 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
5719 non-heapvar pointer variables specially.
5721 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5724 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5725 fold_builtin_tan): Fold all constant arguments. Take a "type"
5726 argument as necessary.
5727 (do_mpfr_arg1): New.
5728 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5730 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5732 * config/xtensa/lib1funcs.asm: Use C-style comments.
5734 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5736 * tree.c (local_define_builtin): Replace calls to
5737 lang_hooks.builtin_function with add_builtin_function.
5738 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5740 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5742 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5743 common code to add_builtin_function.
5744 * langhooks.c (add_builtin_function): New function.
5745 (lhd_builtin_function): New function.
5746 * langhooks.h (struct lang_hooks): Change the signature of
5748 (add_builtin_function): New function.
5749 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5750 calls to lang_hooks.builtin_function with add_builtin_function.
5751 * c-common.c (decl_builtin_1): Replace calls to
5752 lang_hooks.builtin_function with add_builtin_function.
5753 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5754 lang_hooks.builtin_function with add_builtin_function.
5755 * config/frv/frv.c (def_builtin): Replace calls to
5756 lang_hooks.builtin_function with add_builtin_function.
5757 * config/s390/s390.c (s390_init_builtins): Replace calls to
5758 lang_hooks.builtin_function with add_builtin_function.
5759 * config/sparc/sparc.c (def_builtin): Replace calls to
5760 lang_hooks.builtin_function with add_builtin_function.
5761 * config/i386/i386.c (def_builtin): Replace calls to
5762 lang_hooks.builtin_function with add_builtin_function.
5763 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5764 lang_hooks.builtin_function with add_builtin_function.
5765 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5766 lang_hooks.builtin_function with add_builtin_function.
5767 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5768 Replace calls to lang_hooks.builtin_function with
5769 add_builtin_function.
5770 * config/iq2000/iq2000.c (def_builtin):
5771 Replace calls to lang_hooks.builtin_function with
5772 add_builtin_function.
5773 * config/ia64/ia64.c (def_builtin): Replace calls to
5774 lang_hooks.builtin_function with add_builtin_function.
5775 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5776 lang_hooks.builtin_function with add_builtin_function.
5777 (altivec_init_builtins): Replace calls to
5778 lang_hooks.builtin_function with add_builtin_function.
5779 * config/arm/arm.c (def_mbuiltin): Replace calls to
5780 lang_hooks.builtin_function with add_builtin_function.
5781 (arm_init_tls_builtins): Replace calls to
5782 lang_hooks.builtin_function with add_builtin_function.
5783 * config/mips/mips.c (mips_init_builtins): Replace calls to
5784 lang_hooks.builtin_function with add_builtin_function.
5785 * config/bfin/bfin.c (def_builtin): Replace calls to
5786 lang_hooks.builtin_function with add_builtin_function.
5787 * langhooks-def.h (lhd_builtin_function): New function.
5788 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5790 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5792 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5793 BUILT_IN_STRNCAT_CHK.
5795 2006-10-23 Jan Hubicka <jh@suse.cz>
5797 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5798 don't do conversion from memmove to memcpy here.
5799 (expand_builtin_bcopy, expand_builtin): Update call of
5800 expand_builtin_memmove.
5801 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5803 2006-10-23 Paul Brook <paul@codesourcery.com>
5805 * stor-layout.c (start_record_layout): maximum_field_alignment
5806 overrides STRUCTURE_SIZE_BOUNDARY.
5808 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5810 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5811 nonlocal function symbols if flag_pic.
5813 2006-10-23 Richard Guenther <rguenther@suse.de>
5817 * builtins.c (fold_binary): Remove checks for flag_wrapv
5818 and flag_trapv where negate_expr_p covers these cases.
5820 2006-10-23 Richard Guenther <rguenther@suse.de>
5823 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5824 of two on the absolute value.
5825 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5826 and negating -C does not overflow.
5828 2006-10-23 Richard Guenther <rguenther@suse.de>
5831 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5832 only if not flag_rounding_math.
5834 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5835 Kaz Kojima <kkojima@gcc.gnu.org>
5838 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5839 SImode memory reference for the source of a movua.
5840 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5841 (movua): Use an unspec instead of sign_extract. Expect the source
5842 to have mode BLKmode.
5843 (extv, insv): Use a BLKmode rather than SImode memory reference
5844 for the source of a movua.
5846 2006-10-22 Jeff Law <law@redhat.com>
5847 Richard Guenther <rguenther@suse.de>
5849 PR tree-optimization/15911
5850 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5851 (register_edge_assert_for_1): Likewise.
5852 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5853 (find_conditional_asserts): Adjust for new function signature.
5854 (find_assert_locations): Likewise.
5856 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5858 * config/i386/tmmintrin.h: Remove the duplicated content.
5860 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5862 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5863 (x86_64-*-*): Likewise.
5865 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5866 (override_options): Check SSSE3.
5867 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5868 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5869 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5870 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5871 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5872 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5873 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5874 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5875 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5876 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5877 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5878 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5879 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5880 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5881 IX86_BUILTIN_PABSD128.
5882 (bdesc_2arg): Add SSSE3.
5883 (bdesc_1arg): Likewise.
5884 (ix86_init_mmx_sse_builtins): Support SSSE3.
5885 (ix86_expand_builtin): Likewise.
5886 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5888 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5889 (UNSPEC_PSIGN): Likewise.
5890 (UNSPEC_PALIGNR): Likewise.
5891 Include mmx.md before sse.md.
5893 * config/i386/i386.opt: Add -mssse3.
5895 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5896 (ssse3_phaddwv4hi3): Likewise.
5897 (ssse3_phadddv4si3): Likewise.
5898 (ssse3_phadddv2si3): Likewise.
5899 (ssse3_phaddswv8hi3): Likewise.
5900 (ssse3_phaddswv4hi3): Likewise.
5901 (ssse3_phsubwv8hi3): Likewise.
5902 (ssse3_phsubwv4hi3): Likewise.
5903 (ssse3_phsubdv4si3): Likewise.
5904 (ssse3_phsubdv2si3): Likewise.
5905 (ssse3_phsubswv8hi3): Likewise.
5906 (ssse3_phsubswv4hi3): Likewise.
5907 (ssse3_pmaddubswv8hi3): Likewise.
5908 (ssse3_pmaddubswv4hi3): Likewise.
5909 (ssse3_pmulhrswv8hi3): Likewise.
5910 (ssse3_pmulhrswv4hi3): Likewise.
5911 (ssse3_pshufbv16qi3): Likewise.
5912 (ssse3_pshufbv8qi3): Likewise.
5913 (ssse3_psign<mode>3): Likewise.
5914 (ssse3_psign<mode>3): Likewise.
5915 (ssse3_palignrti): Likewise.
5916 (ssse3_palignrdi): Likewise.
5917 (abs<mode>2): Likewise.
5918 (abs<mode>2): Likewise.
5920 * config/i386/tmmintrin.h: New file.
5922 * doc/extend.texi: Document SSSE3 built-in functions.
5924 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5926 2006-10-22 Ira Rosen <irar@il.ibm.com>
5928 * tree-vect-transform.c (vectorizable_load): Use the type of the
5929 return value of the mask_for_load builtin to create realign_load
5932 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5934 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
5937 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
5939 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
5940 (UNSPEC_LDDQU): This.
5941 * config/i386/sse.md (sse3_lddqu): Updated.
5943 2006-10-21 Richard Guenther <rguenther@suse.de>
5945 * builtins.c (expand_builtin_int_roundingfn_2): New function.
5946 (expand_builtin): Use it to expand lrint instead of
5947 expand_builtin_mathfn.
5949 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5952 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
5953 flag_unsafe_math_optimizations is set.
5955 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5958 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
5959 patterns to use memory input operand in x87->mem->XMM
5960 reload sequences. Skip transformation for TARGET_K8.
5962 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5964 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
5965 force operand1 to register if both operands are memory operands.
5966 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
5967 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
5968 if both operands are memory operands.
5969 (truncdfsf2): Do not force operand1 to register if both operands
5970 are memory operands.
5972 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5974 * Makefile.in (LIBS): Add $(GMPLIBS).
5975 * doc/install.texi: Update GMP and MPFR requirements.
5976 * doc/sourcebuild.texi (need_gmp): Delete.
5978 2006-10-21 Richard Guenther <rguenther@suse.de>
5980 PR tree-optimization/3511
5981 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
5982 got new invariant arguments during PHI translation.
5984 2006-10-21 Richard Guenther <rguenther@suse.de>
5987 * fold-const.c (fold_comparison): Fold signed comparisons
5988 of the form X +- C1 CMP Y +- C2.
5990 2006-10-21 Richard Guenther <rguenther@suse.de>
5993 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
5994 if flag_unsafe_math_optimizations is specified. We have
5995 flag_finite_math_only for that.
5996 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
5997 or flag_unsafe_math_optimizations.
5999 2006-10-21 Richard Guenther <rguenther@suse.de>
6001 * builtins.c (fold_builtin_classify): Fix typo.
6003 2006-10-21 Richard Guenther <rguenther@suse.de>
6006 * simplify-rtx.c (simplify_const_relational_operation):
6007 Do not constant-fold ORDERED and UNORDERED for
6008 flag_unsafe_math_optimizations but only we do not need to
6009 honor NaNs for the given mode.
6011 2006-10-21 Richard Guenther <rguenther@suse.de>
6014 * config/i386/i386.c (classify_argument): Remove redundant
6015 walking of the BINFOs.
6016 (contains_128bit_aligned_vector_p): Likewise.
6018 2006-10-20 Mark Mitchell <mark@codesourcery.com>
6020 * BASE-VER: Set to 4.3.0.
6022 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
6024 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
6025 (tree_decl_with_vis): Remove artificial_pta_var flag.
6026 * tree-flow.h (referenced_var_check_and_insert): Expose.
6027 (nonlocal_all): New prototype.
6028 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
6029 (nonlocal_all): Make global.
6030 (nonlocal_lookup): Remove.
6031 (nonlocal_insert): Ditto.
6032 (create_nonlocal_var): Do not call nonlocal_insert.
6033 (get_nonlocal_id_for_type): Remove.
6034 (find_global_initializers): Mark new vars we find for renaming.
6035 (intra_create_variable_infos): Only create one nonlocal.
6036 (expand_nonlocal_solutions): Remove.
6037 (compute_points_to_sets): Don't call it.
6038 (ipa_pta_execute): Ditto.
6039 (init_alias_heapvars): Don't create nonlocal_for_type.
6040 (delete_alias_heapvars): Don't remove it.
6041 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
6044 2006-10-19 Brooks Moses <bmoses@stanford.edu>
6046 * doc/install.texi (Downloading GCC): Clarify mention of
6047 Fortran in the "full distribution" description.
6049 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
6051 Fix PR tree-optimization/28778
6052 Fix PR tree-optimization/29156
6053 Fix PR tree-optimization/29415
6054 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
6055 (tree_decl_with_vis): Add artificial_pta_var flag.
6056 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
6057 pushed into callers.
6058 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
6059 (nonlocal_all): Ditto.
6060 (struct variable_info): Add directly_dereferenced member.
6061 (var_escaped_vars): New variable.
6062 (escaped_vars_tree): Ditto.
6063 (escaped_vars_id): Ditto.
6064 (nonlocal_vars_id): Ditto.
6065 (new_var_info): Set directly_dereferenced.
6066 (graph_size): New variable
6067 (build_constraint_graph): Use graph_size.
6068 (solve_graph): Don't process constraints that cannot change the
6069 solution, don't try to propagate an empty solution to our
6071 (process_constraint): Set directly_dereferenced.
6072 (could_have_pointers): New function.
6073 (get_constraint_for_component_ref): Don't process STRING_CST.
6074 (nonlocal_lookup): New function.
6075 (nonlocal_insert): Ditto.
6076 (create_nonlocal_var): Ditto.
6077 (get_nonlocal_id_for_type): Ditto.
6078 (get_constraint_for): Allow results vector to be empty in the case
6079 of string constants.
6080 Handle results of calls properly.
6081 (update_alias_info): Update alias info stats on number and type of
6083 (find_func_aliases): Use could_have_pointers.
6084 (make_constraint_from_escaped): Renamed from
6085 make_constraint_to_anything, and changed to make constraints from
6087 (make_constraint_to_escaped): New function.
6088 (find_global_initializers): Ditto.
6089 (create_variable_info_for): Make constraint from escaped to any
6090 global variable, and from any global variable to the set of
6092 (intra_create_variable_infos): Deal with escaped instead of
6093 pointing to anything.
6094 (set_uids_in_ptset): Do type pruning on directly dereferenced
6096 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
6097 (init_base_vars): Fix comment, and initialize escaped_vars.
6098 (need_to_solve): Removed.
6099 (find_escape_constraints): New function.
6100 (expand_nonlocal_solutions): Ditto.
6101 (compute_points_to_sets): Call find_escape_constraints and
6102 expand_nonlocal_solutions.
6103 (delete_points_to_sets): Don't fall off the end of the graph.
6104 (init_alias_heapvars): Initialize nonlocal_for_type and
6106 (delete_alias_heapvars): Free nonlocal_for_type and null out
6109 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
6111 * fold-const.c (add_double): Rename to add_double_with_sign.
6112 Add 'unsigned_p' parameter and take it into account for the overflow.
6113 (mul_double): Rename to mul_double_with_sign.
6114 Add 'unsigned_p' parameter and take it into account for the overflow.
6115 (fold_div_compare): Call add_double_with_sign instead of add_double
6116 and mul_double_with_sign instead of mul_double, passing them the
6117 unsignedness of the type.
6118 * tree.h (add_double): Macroize.
6119 (add_double_with_sign): New prototype.
6120 (mul_double): Macroize.
6121 (mul_double_with_sign): New prototype.
6123 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
6125 * config/score/crti.asm: New file.
6126 * config/score/crtn.asm: New file.
6127 * config/score/elf.h: New file.
6128 * config/score/mac.md: New file.
6129 * config/score/misc.md: New file.
6130 * config/score/mul-div.S: New file.
6131 * config/score/predicates.md: New file.
6132 * config/score/score7.md: New file.
6133 * config/score/score.c: New file.
6134 * config/score/score-conv.h: New file.
6135 * config/score/score.h: New file.
6136 * config/score/score.md: New file.
6137 * config/score/score-mdaux.c: New file.
6138 * config/score/score-mdaux.h: New file.
6139 * config/score/score-modes.def: New file.
6140 * config/score/score.opt: New file.
6141 * config/score/score-protos.h: New file.
6142 * config/score/score-version.h: New file.
6143 * config/score/t-score-elf: New file.
6144 * config.gcc: Add score*-*-* configurations(Update before).
6145 * doc/invoke.texi (Score Options): New section.
6146 * doc/md.texi (Score family): New section to document constraints.
6148 2006-10-19 Nick Clifton <nickc@redhat.com>
6150 * config/arm/arm.c: Fix spelling typo.
6152 2006-10-18 Tom Tromey <tromey@redhat.com>
6154 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
6156 2006-10-18 Jan Hubicka <jh@suse.cz>
6159 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
6162 2006-10-18 Marcin Dalecki <martin@dalecki.de>
6164 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
6165 TSI_SAME_STMT, since that's the desired entity.
6167 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
6169 * config/s390/contraints.md: New file.
6170 * config/s390/s390-protos.h (s390_mem_constraint,
6171 s390_O_constraint_str, s390_N_constraint_str,
6172 s390_float_const_zero_p): Function prototypes added.
6173 * config/s390/s390.c (s390_extra_constraint_str,
6174 s390_const_double_ok_for_constraint_p,
6175 s390_const_ok_for_constraint_p): Functions removed.
6176 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
6177 s390_float_const_zero_p): New functions.
6178 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
6179 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
6180 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
6181 Macro definitions removed.
6182 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
6183 s390_extra_constraint_str): Functions removed.
6185 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
6186 Richard Sandiford <richard@codesourcery.com>
6189 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
6190 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
6192 2006-10-16 Geoffrey Keating <geoffk@apple.com>
6194 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
6195 (DWARF2_FRAME_REG_OUT): Likewise.
6196 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
6197 (DWARF2_FRAME_REG_OUT): Likewise.
6199 2006-10-17 Paul Brook <paul@codesourcery.com>
6201 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
6203 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6205 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
6206 Standardize on "GNU Fortran" as the official name of the Fortran
6209 2006-10-16 Mike Stump <mrs@apple.com>
6211 * doc/invoke.texi (Darwin Options): Document -mkernel.
6212 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
6214 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
6215 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
6216 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
6217 (OS_MISSING_ALTIVEC): Add.
6218 * config/i386/i386.c (override_options): Add
6219 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
6220 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
6221 -mkernel, -static or -mdynamic-no-pic is given.
6222 (C_COMMON_OVERRIDE_OPTIONS): Add.
6223 * config/darwin.opt (fapple-kext): Add.
6225 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
6226 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
6228 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
6229 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
6230 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
6231 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
6232 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
6233 (flag_mkernel): Add.
6234 (flag_apple_kext): Add.
6235 (TARGET_KEXTABI): Add.
6236 * config/darwin.c (darwin_handle_kext_attribute): Add.
6237 (DARWIN_VTABLE_P): Add.
6238 (darwin_binds_local_p): Add partial support for rebinding vtables
6240 (darwin_kextabi_p): Add.
6241 (darwin_override_options): Add.
6242 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
6243 (darwin_kextabi_p): Add.
6244 (darwin_override_options): Add.
6245 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
6246 __DYNAMIC__ and __STATIC__ here.
6248 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6250 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
6251 Added mention of "make pdf" target, and Texinfo requirements for
6254 2006-10-16 DJ Delorie <dj@redhat.com>
6256 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
6257 into the GOT in case we need a subreg of the address.
6259 2006-10-16 Richard Guenther <rguenther@suse.de>
6262 * doc/extend.texi (X86 Built-in Functions): Fix typos in
6263 SSE builtin documentation. Document SSE2 builtins.
6265 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6267 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
6268 symbol in the output file for non-shared links when -nostdlib or
6269 -nodefaultlibs isn't specified.
6271 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
6272 posix thread support.
6274 2006-10-15 Jan Hubicka <jh@suse.cz>
6277 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
6278 declared always_inline even when not inlining.
6280 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6281 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6282 Andrew Pinski <pinskia@gmail.com>
6285 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
6287 2006-10-15 Jan Hubicka <jh@suse.cz>
6288 Richard Guenther <rguenther@suse.de>
6291 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
6292 process_function_and_variable_attributes on all variables, including
6293 those discovered during cgraph construction phase.
6295 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
6297 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
6299 2006-10-14 Uros Bizjak <uros@kss-loka.si>
6301 * config/i386/athlon.md (athlon_fist): Add fisttp.
6303 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6304 Ian Lance Taylor <ian@airs.com>
6307 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
6308 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
6311 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
6313 * config/score/score.c, config/score/score.h: Fix comment
6316 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6319 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
6322 2006-10-13 Eric Christopher <echristo@apple.com>
6324 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
6326 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6329 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6330 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6331 alignment supported by 32-bit ELF.
6333 2006-10-13 Eric Christopher <echristo@apple.com>
6335 * config/darwin.c (darwin_emit_unwind_label): Strip
6336 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
6338 2006-10-13 Richard Guenther <rguenther@suse.de>
6340 PR tree-optimization/29446
6341 * tree-vrp.c (fix_equivalence_set): Remove.
6342 (extract_range_from_assert): Do not call fix_equivalence_set.
6343 (debug_value_range): Print a newline.
6344 (compare_name_with_value): For equivalence sets with
6345 inconsistent value ranges conservatively bail out.
6346 (compare_names): Likewise.
6348 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6350 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
6351 and MPFR for gfortran.
6353 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6355 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6356 alignment supported by 32-bit ELF.
6358 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
6362 * c-typeck.c (digest_init): Always allow initializing vectors
6363 that have static storage duration with compound literals.
6364 * tree.c (build_type_attribute_qual_variant): New, based on
6365 build_type_attribute_variant.
6366 (build_type_attribute_variant): Rewrite using the former.
6367 (make_vector_type): Use build_type_attribute_qual_variant to build
6368 type variants. Use type_hash_canon on the others.
6370 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
6371 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
6373 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
6375 2006-10-12 Jan Hubicka <jh@suse.cz>
6378 * c-decl.c (c_make_fname_decl): Do not segfault in case where
6379 current_function_decl is set but current_function_scope is not.
6381 2006-10-12 Jie Zhang <jie.zhang@analog.com>
6383 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
6384 emit_insn to emit eh_return_internal instruction.
6385 (eh_return_internal): Explicitly set pc.
6387 2006-10-11 Richard Guenther <rguenther@suse.de>
6389 PR tree-optimization/28230
6390 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
6391 to the correct place.
6393 2006-10-11 Richard Guenther <rguenther@suse.de>
6396 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
6399 2006-10-10 Brooks Moses <bmoses@stanford.edu>
6401 * configure.ac: Added pdf to "Make-hooks"
6402 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
6403 targets and *.pdf file patterns in cleanup targets.
6404 * configure: Regenerated.
6406 2006-10-10 Anatoly Sokolov <aesok@post.ru>
6408 * config/avr/predicates.md: New file.
6409 * config/avr/avr.md: Include it.
6410 (REG_SP): New constant.
6411 (peepholes): Use predicates.
6412 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
6413 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
6414 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
6416 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
6418 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
6421 2006-10-10 Jakub Jelinek <jakub@redhat.com>
6424 * builtins.c (var_decl_component_p): New function.
6425 (fold_builtin_memset, fold_builtin_memory_op): Restrict
6426 single entry optimization to variables and components thereof.
6428 2006-10-10 Richard Guenther <rguenther@suse.de>
6430 PR rtl-optimization/29323
6431 * except.c (set_nothrow_function_flags): For functions
6432 that do not bind local bail out early.
6434 2006-10-10 Ben Elliston <bje@au.ibm.com>
6436 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
6439 2006-10-09 Richard Henderson <rth@redhat.com>
6441 Revert emutls patch.
6443 2006-10-09 Richard Guenther <rguenther@suse.de>
6446 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
6449 2006-10-09 Steve Ellcey <sje@cup.hp.com>
6452 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
6453 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
6454 * configure: Regenerate.
6455 * config.in: Regenerate.
6457 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
6459 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
6461 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6463 * config/mips/mips.c (mips_legitimize_tls_address): Implement
6464 all TLS models in the same way as local exec if !TARGET_ABICALLS.
6465 Remove stray newline.
6467 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6469 * config/mips/mips.c (mips_classify_symbol): Do not return
6470 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
6471 (mips_in_small_data_p): Tweak comments.
6473 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6475 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
6477 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
6479 * gimplify.c, sched-int.h: Fix comment typos.
6481 * sched-int.h: Fix comment typos.
6483 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6485 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
6487 * sched-ebb.c (begin_schedule_ready): Use them.
6488 * haifa-sched.c (schedule_insn, move_insn, try_ready,
6489 add_to_speculative_block, create_check_block_twin, speculate_insn,
6490 fix_jump_move, move_block_after_check): Ditto.
6491 * sched-rgn.c (new_ready): Ditto.
6493 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6495 PR rtl-optimization/29128
6496 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
6497 * sched-ebb.c (advance_target_bb): Use it to fix condition to
6498 allow interblock movement of speculation checks.
6500 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
6503 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
6504 casted to integer type.
6505 (get_address_cost): Decrease cost of [symbol + index] addressing modes
6506 if they are significantly more expensive than [reg + index] ones.
6508 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6510 PR tree-optimization/29330
6511 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
6512 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
6513 on newly allocated ddrs.
6514 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
6515 to VEC (loop_p, heap) pointer.
6516 (compute_data_dependences_for_loop): Adjust caller.
6517 (free_dependence_relations): Free DDR_LOOP_NEST.
6519 * tree-loop-linear.c (linear_transform_loops): Don't forget to
6520 free DEPENDENCE_RELATIONS and DATAREFS.
6523 * builtins.c (expand_builtin_sync_operation,
6524 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
6525 Use convert_to_mode to handle promoted arguments.
6527 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6529 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
6531 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6533 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
6535 2006-10-05 Uros Bizjak <uros@kss-loka.si>
6537 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
6538 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
6539 Use <modeconstraint> instead of "r" as operand 1 constraint.
6541 2006-10-06 Olivier Hainque <hainque@adacore.com>
6543 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
6544 Don't recurse on the pointed-to type.
6545 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
6546 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
6547 types with components of variable size.
6549 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
6551 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
6553 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6555 PR tree-optimization/29290
6556 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
6560 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
6561 * config/i386/predicates.md (local_symbolic_operand): Likewise.
6564 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
6565 the number of vector elements fill the rest with zeros.
6567 2006-10-05 Richard Sandiford <richard@codesourcery.com>
6569 * config/mips/mips.c (mips_pass_by_reference): Do not return false
6570 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
6573 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
6575 * config/bfin/bfin.md (subsi3): Lose expander, change previously
6576 unnamed pattern into subsi3. Use correct constraints/predicates.
6577 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
6578 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
6580 2006-10-05 Ira Rosen <irar@il.ibm.com>
6582 * doc/loop.texi: Add data references analysis description.
6584 2006-10-04 Brooks Moses <bmoses@stanford.edu>
6586 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
6588 2006-10-04 Richard Henderson <rth@redhat.com>
6589 Jakub Jelinek <jakub@redhat.com>
6591 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
6592 * builtin-types.def (BT_WORD): Make unsigned.
6593 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6594 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6595 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6596 * c-decl.c (grokdeclarator): Don't error if !have_tls.
6597 * c-parser.c (c_parser_omp_threadprivate): Likewise.
6598 * cgraph.c (decide_is_variable_needed): Look at force_output.
6599 Recurse for emulated tls.
6600 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
6601 checks redundant with decide_is_variable_needed.
6602 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
6603 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6605 * expr.c (emutls_var_address): New.
6606 (expand_expr_real_1): Expand emulated tls.
6607 (expand_expr_addr_expr_1): Likewise.
6608 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6609 * output.h (emutls_finish): Declare.
6610 * toplev.c (compile_file): Call it.
6611 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6612 address before wrapping in CONST.
6613 * varasm.c (emutls_htab, emutls_object_type): New.
6614 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6615 (get_emutls_object_name, get_emutls_object_type): New.
6616 (get_emutls_init_templ_addr, emutls_decl): New.
6617 (emutls_common_1, emutls_finish): New.
6618 (assemble_variable): When emulating tls, swap decls; generate
6619 constructor for the emutls objects.
6620 (do_assemble_alias): When emulating tls, swap decl and target name.
6621 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6623 * emutls.c: New file.
6624 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6625 tls_object for real tls.
6627 2006-10-04 Zack Weinberg <zackw@panix.com>
6629 Fix bug in constraint-check generator, reported by Rask Ingemann
6631 * genpreds.c (add_constraint): Don't remove anything from the
6633 (write_tm_constrs_h): Detect whether "op" argument is used, and
6634 mark it ARG_UNUSED if it isn't.
6635 (write_insn_const_int_ok_for_constraint): Skip the part of the
6636 expression that would test whether "op" (which is not available
6637 here) is a CONST_INT.
6639 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
6642 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
6644 2006-10-03 Geoffrey Keating <geoffk@apple.com>
6646 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
6647 current Leopard versions.
6648 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
6650 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
6652 * doc/install.texi: Fix typos.
6654 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6656 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
6657 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
6658 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
6660 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
6662 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
6663 arg to be struct mach_header_64* instead.
6665 2006-10-02 Jakub Jelinek <jakub@redhat.com>
6668 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
6669 side effects after the outer expression's post side effects.
6671 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
6673 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
6674 comments to reflect actual behavior and relationship between
6675 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
6677 * doc/c-tree.texi (Working with declarations): Fix documentation
6678 of FIELD_DECL likewise.
6680 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
6683 * doc/extend.texi: Add used variable attribute description.
6685 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
6688 * c.opt (Woverride-init): New.
6689 * c-opts.c (c_common_post_options): Default warn_override_init to
6691 * c-typeck.c (add_pending_init, output_init_element): Warn for
6692 overriding initializers without side effects.
6693 * doc/invoke.texi (-Woverride-init): Document.
6696 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
6698 PR rtl-optimization/28096
6699 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
6700 assignment has already been used as a destination earlier in the block.
6702 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
6704 * builtins.c (expand_builtin_setjmp): Delete.
6705 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
6706 <BUILT_IN_SETJMP_SETUP>: New case.
6707 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
6708 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
6709 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
6710 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
6711 (BUILT_IN_SETJMP_RECEIVER): Likewise.
6712 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
6713 (lower_function_body): Initialize it to false. If it is set to true
6714 at the end of the processing, emit the setjmp dispatcher.
6715 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
6716 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
6717 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
6718 on the rhs of the assignment.
6719 (lower_builtin_setjmp): New function.
6720 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6721 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6722 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6723 to detect calls that can go to non-local labels. Use specific
6724 helper to create the abnormal edges associated with them.
6725 <MODIFY_EXPR>: Likewise.
6726 (make_abnormal_goto_edges): New function extracted from...
6727 (make_goto_expr_edges): ...here. Call it for computed gotos.
6728 (simple_goto_p): Minor tweak.
6729 (tree_can_make_abnormal_goto): New predicate.
6730 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6731 (tree_purge_dead_abnormal_call_edges): New function.
6732 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6733 (tree_purge_dead_abnormal_call_edges): Likewise.
6734 (make_abnormal_goto_edges): Likewise.
6735 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6736 Purge all dead abnormal edges if the call was in the last statement.
6737 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6738 (execute_fixup_cfg): If there are non-local labels in the function,
6739 scan the basic blocks and split them at calls that can go to non-local
6740 labels or add missing abnormal call edges. Write down the CFG in the
6742 (pass_fixup_cfg): Remove TODO_dump_func flag.
6743 * unwind-sjlj.c: Poison setjmp.
6744 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6745 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6746 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6747 (DONT_USE_BUILTIN_SETJMP): Document it.
6749 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6752 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6753 to 1 when __ppc64__ is defined.
6754 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6756 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6758 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6760 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6761 * config/ia64/unwind-hpux.c: Delete.
6763 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6765 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6766 on the element before gimplifying it, instead of punting if it is of
6769 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6771 * doc/loop.texi: New file.
6772 * doc/gccint.texi: Reference loop.texi.
6773 * Makefile.in (loop.texi): Add.
6775 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6777 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6779 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6780 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6782 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6784 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6786 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6788 * doc/install.texi: Document required versions of GMP and MPFR.
6790 2006-09-27 Paul Brook <paul@codesourcery.com>
6793 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6795 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6797 * reload1.c (alter_reg): Require the alignment of the stack slot to
6798 be at least reg_max_ref_width bytes.
6799 (scan_paradoxical_subregs): Record the largest width in
6802 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6806 * tree-nested.c (struct nesting_info): Added static_chain_added.
6807 (convert_call_expr): Set static_chain_added when adding static
6808 chain. Handle OMP_PARALLEL and OMP_SECTION.
6810 2006-09-25 Matthias Klose <doko@debian.org>
6812 * doc/invoke.texi: Add missing full stop.
6814 2006-09-25 Richard Henderson <rth@redhat.com>
6816 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6817 before cgraph_function_flags_ready.
6819 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6820 Adam Nemet <anemet@caviumnetworks.com>
6822 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6823 determine_common_wider_type): New functions.
6824 (get_computation_aff): Use them to simplify arithmetic between
6825 UBASE and CBASE if they are shortened from the same type.
6827 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6830 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6831 -2147483647 - 1 instead of 0x80000000.
6833 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6835 * flags.h (HONOR_NANS): Fix typo in comment.
6837 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6839 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6841 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6845 * tree.c (merge_attributes, attribute_list_contained): If both
6846 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6848 * c-typeck.c (comptypes_internal): Don't consider aggregates
6849 in different TUs as compatible if there one set of attributes is
6850 not a subset of the other type's attributes.
6851 (composite_type): Try harder not to create a new aggregate type.
6853 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6855 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6856 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6857 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6858 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6859 than replicating condition above.
6860 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6862 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6863 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6864 the linker by default.
6866 2006-09-22 Mike Stump <mrs@apple.com>
6868 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6871 2006-09-22 Richard Guenther <rguenther@suse.de>
6874 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6875 sort of stack variables stable.
6877 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6880 * explow.c (force_reg): Set REG_POINTER flag according to
6883 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6885 PR tree-optimization/28888
6886 * tree-if-conv.c (combine_blocks): Rewritten.
6887 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6888 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6890 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6892 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6895 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6897 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6899 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6901 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6903 2006-09-21 Roger Sayle <roger@eyesopen.com>
6906 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6907 dw_fde_current_label, to be the start of the function, i.e. the same
6908 value as dw_fde_begin.
6910 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6912 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6913 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6914 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6915 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6916 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6917 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6918 (abs<mode>2, neg<mode>2): Likewise.
6919 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6920 (*mips_abs_ps): New define_insn.
6922 2006-09-20 Josh Conner <jconner@apple.com>
6925 * calls.c (expand_call): Allow reuse of structure return stack
6928 2006-09-20 Paul Brook <paul@codesourcery.com>
6930 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6933 2006-09-20 Janis Johnson <janis187@us.ibm.com>
6935 * doc/extend.texi (Decimal Float): Update for latest draft TR,
6936 clean up terminology.
6938 2006-09-20 Steve Ellcey <sje@cup.hp.com>
6941 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
6942 with tablejumps in them.
6944 2006-09-20 Jakub Jelinek <jakub@redhat.com>
6947 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
6948 wrap it into TARGET_EXPR.
6950 2006-09-20 Eric Christopher <echristo@apple.com>
6952 * config/i386/i386.c (x86_fisttp): Remove.
6953 * config/i386/i386.h (x86_fisttp): Ditto.
6954 (TARGET_FISTTP): Ditto.
6956 2006-09-19 Eric Christopher <echristo@apple.com>
6958 * doc/tm.texi (OBJC_JBLEN): Describe.
6959 * config/i386/darwin.h (OBJC_JBLEN): Define.
6960 * config/rs6000/darwin.h: Ditto.
6962 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
6964 PR rtl-optimization/21299
6965 * reload1.c (reload): Purge invalid ASMs in the final pass.
6967 2006-09-19 Steve Ellcey <sje@cup.hp.com>
6970 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
6971 pointers as legitimate constants.
6973 2006-09-19 Paul Brook <paul@codesourcery.com>
6976 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
6978 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
6980 PR tree-optimization/28887
6981 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
6982 component parts from the reference.
6983 (gather_memory_references_ref): Record the reference without the
6984 nonaddressable component parts.
6986 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
6989 * c-opts.c (c_common_handle_option): Ignore the -std options
6990 if the input language is assembly.
6992 2006-09-17 Ira Rosen <irar@il.ibm.com>
6995 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
6997 (ptr_ptr_may_alias_p): Likewise.
6998 (record_record_differ_p): New function.
6999 (base_object_differ_p): Call record_record_differ_p.
7001 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7004 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
7005 away for the expr argument.
7007 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7010 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
7011 before using it for dumping after vectorizing loops.
7013 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
7014 Jack Howarth <howarth@bromo.med.uc.edu>
7017 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
7018 skip on error_mark_node.
7019 (rs6000_darwin64_record_arg_recurse): Likewise.
7021 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
7023 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
7024 * doc/rtl.texi: Remove related documentation.
7026 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
7028 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
7031 2006-09-15 Jim Wilson <wilson@specifix.com>
7033 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
7034 Handle symbol offsets same as they are handled in ia64_expand_move
7037 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
7039 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
7040 Add forgotten parameter to the fprintf call.
7042 2006-09-15 Steve Ellcey <sje@cup.hp.com>
7044 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
7046 2006-09-15 Uros Bizjak <uros@kss-loka.si>
7048 * doc/contrib.texi: Add my entry.
7050 2006-09-15 Nick Clifton <nickc@redhat.com>
7052 * doc/md.texi (Processor pipeline description): Fix typo in
7053 example of how to use the absence_set directive and reword the
7054 description to make it slightly easier to read.
7056 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
7058 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
7059 * loop-doloop.c (doloop_optimize): Use it to limit costs of
7060 expanding the number of iterations.
7061 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
7063 * cfgrtl.c (emit_insn_at_entry): New function.
7064 * rtl.h (emit_insn_at_entry): Declare it.
7065 * integrate.c (emit_initial_value_sets): Use it.
7067 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
7069 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
7071 (struct loop_work and related VEC declarations): Delete.
7072 (bfin_dump_loops): Print out new member bad.
7073 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
7074 (bfin_scan_loop): Don't recurse.
7075 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
7076 loops. No longer need to update outer loops if the current one is
7077 found bad. Move some validitiy checks to bfin_discover_loop.
7078 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
7079 but changed not to check for nesting. Also changed to use the new bad
7081 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
7082 time. Use bitmap based test to discover loop nesting.
7084 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
7086 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
7089 2006-09-14 Richard Guenther <rguenther@suse.de>
7090 Kazu Hirata <kazu@codesourcery.com>
7092 PR middle-end/28884.
7093 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
7094 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
7095 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
7096 with TARGET_FUNCTION_VALUE.
7098 2006-09-14 Anatoly Sokolov <aesok@post.ru>
7101 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
7103 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
7105 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
7108 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
7111 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
7114 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7116 * basic_block.h (bb_has_eh_pred): Fix comment.
7118 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7120 * flow.c (calculate_global_regs_live): Invalidate eh registers
7121 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
7122 (propagate_block): Handle eh registers as if they were set at basic
7124 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
7126 * global.c (global_conflicts): Make eh registers to conflict with
7127 pseudos live at basic block begin.
7128 * basic_block.h (bb_has_eh_pred): New function.
7130 2006-09-13 Richard Sandiford <richard@codesourcery.com>
7132 PR rtl-optimization/28982
7133 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
7134 index of a PRE_MODIFY or POST_MODIFY address.
7135 * reload1.c (inc_for_reload): Use find_replacement on the original
7136 base and index registers.
7138 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
7140 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
7141 for -Os. Update __m128 alignment requirement.
7143 2006-09-13 Jan Hubicka <jh@suse.cz>
7145 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
7147 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
7149 PR rtl-optimization/28243
7150 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7151 the insn to which the note was originally attached.
7153 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
7154 Roger Sayle <roger@eyesopen.com>
7156 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
7157 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
7158 on platforms that don't use dwarf for debug info.
7160 2006-09-12 Jason Merrill <jason@redhat.com>
7163 * builtins.c (expand_builtin_setjmp_receiver): Clobber
7164 hard_frame_pointer_rtx after using it to update the frame pointer.
7166 2006-09-12 Roger Sayle <roger@eyesopen.com>
7168 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
7169 (TARGET_ASM_CLOSE_PAREN): Likewise.
7170 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
7171 (TARGET_ASM_CLOSE_PAREN): Likewise.
7173 2006-09-12 Roger Sayle <roger@eyesopen.com>
7176 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
7177 frame information for frames larger than 512 Kbytes on Tru64 when
7178 using the native assembler.
7180 2006-09-12 Roger Sayle <roger@eyesopen.com>
7184 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
7185 and symbols. Instead use the implementation from cse.c's hash_rtx.
7187 2006-09-12 Jan Hubicka <jh@suse.cz>
7189 PR rtl-optimization/28071
7190 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
7191 (vect_transform_loop): Likewise.
7192 * tree-vectorizer.c (new_loop_vec_info): Likewise.
7193 (new_loop_vec_info): Likewise.
7194 (destroy_loop_vec_info): Likewise.
7195 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
7196 (create_stmt_ann): Likewise.
7197 (create_tree_ann): Rename to ...
7198 (create_tree_common_ann): ... this one; allocate only the common part
7200 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
7201 (get_value_handle): Likewise.
7202 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
7203 get_tree_common_ann.
7204 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
7205 (vinfo_for_stmt): Use stmt annotations.
7206 * tree-flow.h (tree_ann_common_t): New type.
7207 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
7208 (tree_ann, get_tree_ann, create_tree_ann): New.
7209 * tree-flow-inline.h (get_function_ann): Do more type checking.
7210 (stmt_ann): Likewise.
7211 (tree_ann): Rename to ...
7212 (tree_common_ann): ... this one; return ony common_ann
7213 (get_tree_ann): Rename to ...
7214 (tree_common_ann): This one; return only common_ann.
7215 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
7218 2006-09-11 Geoffrey Keating <geoffk@apple.com>
7220 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
7221 with_cpu by default.
7223 * dwarf2out.c (dwarf_file_data): New.
7224 (enum dw_val_class): Add dw_val_class_file.
7225 (struct dw_val_struct): Add val_file.
7226 (file_table): Change to a hash table.
7227 (file_table_emitted): Delete.
7228 (file_table_last_lookup_index): Delete.
7229 (emitcount): Delete.
7230 (last_emitted_file): New.
7231 (lookup_filename): Change prototype to return a struct dwarf_file_data.
7232 (init_file_table): Delete.
7233 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
7234 (AT_addr): Add comment.
7238 (print_die): Handle dw_val_class_file.
7239 (print_dwarf_line_table): Update for new file table structure.
7240 (attr_checksum): Do checksum a filename.
7241 (same_dw_val_p, same_attr_p): Do compare a filename.
7242 (size_of_die): Handle dw_val_class_file.
7243 (value_format): Likewise.
7244 (output_die): Likewise. Also, call maybe_emit_file here.
7245 (struct file_info): Constify filenames. Make file_idx a pointer
7246 to a struct dwarf_file_data.
7247 (struct dir_info): Constify directory names. Remove 'used' field.
7248 (struct file_name_acquire_data): New.
7249 (file_name_acquire): New.
7250 (output_file_names): Modify to handle new file data structures.
7251 (add_src_coords_attributes): Use add_AT_file.
7252 (add_call_src_coords_attributes): Likewise.
7253 (dwarf2out_imported_module_or_decl): Likewise.
7254 (gen_subprogram_die): Modify for new file data structures.
7255 (gen_variable_die): Likewise.
7256 (file_table_eq): New.
7257 (file_table_hash): New.
7258 (file_table_last_lookup): New.
7259 (lookup_filename): Rewrite to handle new file data structures.
7260 (maybe_emit_file): Rewrite to handle new file data structures.
7261 (dwarf2out_source_line): Always call lookup_filename and
7263 (dwarf2out_init): Create file_table here.
7264 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
7265 (file_table_relative_p): New.
7266 (dwarf2out_finish): Change detection of relative filenames
7267 to work with new file data structures. Move output_line_info call
7268 after debug_info output.
7270 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
7275 * config/i386/i386.c (override_options): Always default to 16
7276 byte stack boundary.
7278 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
7281 * var-tracking.c (dump_dataflow_set): Start dumping at
7283 (clobber_variable_part): Kill only the variable part in
7284 registers holding it, leaving other variables alone.
7286 2006-09-11 Josh Triplett <josh@freedesktop.org>
7288 * doc/extend.texi (Other Builtins): Actually use the macro
7289 argument in the documentation example for
7290 __builtin_types_compatible_p.
7292 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7294 PR rtl-optimization/28726
7295 * sched-deps.c (sched_analyze_reg): New function extracted from...
7296 (sched_analyze_1): ...here. Call it to analyze references to
7297 registers. Treat again writes to a stack register as writing to the
7299 (sched_analyze_2): ...and here. Call it to analyze references to
7300 registers. Treat again reads of a stack register as reading the
7303 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
7304 David Edelsohn <edelsohn@gnu.org>
7307 * config/rs6000/spe.md (frob_df_di): Remove %H.
7308 (frob_di_df): Remove %H. Change evmergelo to mr.
7309 (frob_di_df_2): Remove %H. Change evldd to two loads.
7311 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
7313 * doc/cpp.texi: Fix names of charset options.
7315 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
7318 * config/i386/i386.c (override_options): Use 128-bit
7319 stack boundary always for 64bits.
7321 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7323 PR rtl-optimization/28636
7324 * combine.c (force_to_mode): Test for side-effects before
7325 substituting by zero.
7326 (simplify_shift_const): Likewise for zero or other constants.
7328 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
7331 * builtins.c (expand_builtin_setjmp): Force next_lab to be
7334 2006-09-10 Richard Sandiford <richard@codesourcery.com>
7337 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
7338 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
7339 returned by mode_for_size, rather than the mode of src itself,
7340 to choose between 32-bit and 64-bit patterns.
7341 (mips_mem_fits_mode_p): New function.
7342 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
7343 that the size of the source matches the size of the destination.
7344 (mov_<store>l, mov_<store>r): Likewise.
7346 2006-09-10 Eric Christopher <echristo@apple.com>
7348 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
7351 2006-09-09 Eric Christopher <echristo@apple.com>
7354 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
7357 2006-09-09 Roger Sayle <roger@eyesopen.com>
7358 Nicolas Setton <setton@adacore.com>
7360 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
7362 2006-09-10 Andreas Schwab <schwab@suse.de>
7364 * config/m68k/m68k.md (bungt_rev): New pattern.
7366 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
7367 Dale Johannesen <dalej@apple.com>
7370 * regclass.c (struct reg_pref): Update documentation.
7371 (regclass): Set prefclass to NO_REGS if memory is the best option.
7372 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7374 2006-09-08 Eric Christopher <echristo@apple.com>
7376 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
7377 * config/t-slibgcc-darwin: Support x86_64 multilib.
7378 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
7379 Return 1 for x86_64-darwin.
7380 * config/i386/t-darwin: Add m64 multilib.
7381 (LIB2_SIDITI_CONV_FUNCS): Use.
7382 (LIB2FUNCS_EXTRA): Ditto.
7383 * config/i386/darwin.h: Support x86_64.
7384 * config/i386/i386.c (override_options): Turn on flag_pic
7385 for x86_64-darwin. Disable flag_omit_pointer.
7386 (get_pc_thunk_name): Assert !TARGET_64BIT.
7387 (legitimate_address_p): Disable machopic addressing for
7389 (legitimize_pic_address): Ditto.
7390 (ix86_expand_move): Ditto.
7391 (ix86_expand_call): Ditto.
7392 (machopic_output_stub): Ditto.
7393 * config/darwin.c (machopic_select_section): Support literal16.
7394 (machopic_select_rtx_section): Ditto.
7395 * config/darwin-sections.def: Ditto.
7396 * config/darwin-64.c: New.
7398 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
7401 * c-tree.h (struct c_arg_info): Add pending_sizes.
7402 * c-parser.c (c_parser_parms_declarator,
7403 c_parser_parms_list_declarator): Initialize pending_sizes.
7404 * c-decl.c (get_parm_info): Initialize pending_sizes.
7405 (get_parm_info): Set pending_sizes.
7406 (grokdeclarator): Call put_pending_sizes for parameters for
7407 function definition only.
7409 2006-09-07 Jason Merrill <jason@redhat.com>
7412 * varasm.c (output_constant): Only strip actual no-op conversions.
7415 * config/i386/i386.c (override_options): Use 128-bit
7416 stack boundary if -msse.
7418 2006-09-07 Eric Christopher <echristo@apple.com>
7420 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
7422 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
7425 2006-09-07 Geoffrey Keating <geoffk@apple.com>
7427 * dwarf2out.c: Remove strange characters from comment above
7428 dwarf2out_frame_debug_expr.
7430 2006-09-07 Eric Christopher <echristo@apple.com>
7432 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
7433 * config/darwin.h: ... to here.
7435 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
7437 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
7439 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
7440 (TARGET_PARTIAL_FLAG_REG_STALL): New.
7442 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
7443 TARGET_PARTIAL_FLAG_REG_STALL.
7444 (*ashldi3_cconly_rex64): Likewise.
7445 (*ashlsi3_cmp): Likewise.
7446 (*ashlsi3_cconly): Likewise.
7447 (*ashlsi3_cmp_zext): Likewise.
7448 (*ashlhi3_cmp): Likewise.
7449 (*ashlhi3_cconly): Likewise.
7450 (*ashlqi3_cmp): Likewise.
7451 (*ashlqi3_cconly): Likewise.
7452 (*ashrdi3_cmp_rex64): Likewise.
7453 (*ashrdi3_cconly_rex64): Likewise.
7454 (*ashrsi3_cmp): Likewise.
7455 (*ashrsi3_cconly): Likewise.
7456 (*ashrsi3_cmp_zext): Likewise.
7457 (*ashrhi3_cmp): Likewise.
7458 (*ashrhi3_cconly): Likewise.
7459 (*ashrqi3_cmp): Likewise.
7460 (*ashrqi3_cconly): Likewise.
7461 (*lshrdi3_cmp_rex64): Likewise.
7462 (*lshrdi3_cconly_rex64): Likewise.
7463 (*lshrsi3_cmp): Likewise.
7464 (*lshrsi3_cconly): Likewise.
7465 (*lshrsi3_cmp_zext): Likewise.
7466 (*lshrhi3_cmp): Likewise.
7467 (*lshrhi3_cconly): Likewise.
7468 (*lshrqi2_cmp): Likewise.
7469 (*lshrqi2_cconly): Likewise.
7471 2006-09-07 Uros Bizjak <uros@kss-loka.si>
7474 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
7475 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
7476 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
7477 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
7478 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
7479 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
7480 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
7481 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
7482 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
7483 implement only CC setting effects of shift instructions.
7485 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
7487 * doc/contrib.texi: Add myself.
7489 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
7492 * stor-layout.c (relayout_decl): Don't zero the alignment if it
7493 was set by the user.
7495 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
7498 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
7499 (divsi_inv_m1): Use them.
7500 (UNSPEC_DIV_INV_TABLE): New constant.
7502 2006-09-06 James E Wilson <wilson@specifix.com>
7505 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
7506 then call count_or_remove_death_notes.
7508 2006-09-06 Jason Merrill <jason@redhat.com>
7511 * tree-inline.c (copy_result_decl_to_var): New fn.
7512 (declare_return_variable): Use it. Call declare_inline_vars here.
7513 (expand_call_inline): Not here.
7515 2006-09-06 Diego Novillo <dnovillo@redhat.com>
7517 * doc/contrib.texi: Update my entry.
7519 2006-09-06 Nick Clifton <nickc@redhat.com>
7521 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
7523 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7526 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
7527 (canonicalize_induction_variables): Likewise.
7528 (tree_unroll_loops_completely): Likewise.
7529 (tree_ssa_prefetch_arrays): Likewise.
7530 (remove_empty_loops): Likewise.
7531 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
7532 TODO_cleanup_cfg instead of directly calling
7533 cleanup_tree_cfg_loop.
7534 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
7536 (tree_unroll_loops_completely): Likewise.
7537 (remove_empty_loops): Likewise.
7538 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
7539 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
7540 of tree_ssa_unswitch_loops.
7541 (tree_ssa_loop_ivcanon): Use the return value of
7542 canonicalize_induction_variables.
7543 (tree_ssa_empty_loop): Use the return value of
7545 (tree_complete_unroll): Use the return value of
7546 tree_unroll_loops_completely.
7547 (tree_ssa_loop_prefetch): Use the return value of
7548 tree_ssa_prefetch_arrays.
7549 * passes.c (execute_todo): Before Cleanup CFG, set
7550 updating_used_alone and after cleanup CFG, call
7551 recalculate_used_alone.
7553 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7556 * tree-vect-transform.c (vectorizable_condition): Move the check
7557 for the type after the check for simple condition.
7559 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
7560 Kaz Kojima <kkojima@gcc.gnu.org>
7563 * mode-switching.c (optimize_mode_switching): Make the destination
7564 block of an abnormal edge have no anticipatable mode. Don't
7565 insert mode switching code at the end of the source block of
7568 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
7570 PR rtl-optimization/26847
7571 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
7572 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
7573 (simplify_plus_minus): Count n_constants while filling ops. Replace
7574 qsort with insertion sort. Before going through the array to simplify
7575 pairs, sort it. Delay early exit until after the first sort, exiting
7576 only if no swaps occurred. Simplify pairs in reversed order, without
7577 special-casing the first iteration. Pack ops after simplifying pairs.
7579 2006-09-05 Anatoly Sokolov <aesok@post.ru>
7581 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
7582 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7583 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7584 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
7586 2006-09-05 Richard Guenther <rguenther@suse.de>
7588 PR tree-optimization/28900
7589 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
7590 compound conditional before creating COND_EXPR condition.
7592 2006-09-05 Richard Guenther <rguenther@suse.de>
7594 PR tree-optimization/28905
7595 * tree-vrp.c (fix_equivalence_set): Manually implement
7596 !value_ranges_intersect_p to also handle symbolic ranges.
7598 2006-09-05 Richard Guenther <rguenther@suse.de>
7601 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
7604 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7606 PR rtl-optimization/27616
7607 * cse.c (table_size): New static variable.
7608 (new_basic_block): Initialize it to 0.
7609 (remove_from_table): Decrement it.
7610 (insert): Increment it.
7611 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
7612 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
7613 fold_rtx_mem_1 if under the cap.
7614 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
7615 the lookup of the equivalent expression and test for equality of the
7616 first operand of the equivalent expression before in turn looking up
7617 an equivalent constant for the second operand.
7619 2006-09-02 Geoffrey Keating <geoffk@apple.com>
7622 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7623 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7624 pointer, instead of assuming it is possible to derive the
7625 correct args size from a call insn.
7627 2006-09-02 Jakub Jelinek <jakub@redhat.com>
7630 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
7631 (fold_builtin_mempcpy): Rename to...
7632 (fold_builtin_memory_op): ... this. Optimize one element copy
7634 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
7636 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
7637 (expand_builtin_memcpy, expand_builtin_mempcpy,
7638 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
7639 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
7640 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
7641 BUILT_IN_MEM{CPY,PCPY,MOVE}.
7643 2006-09-01 DJ Delorie <dj@redhat.com>
7645 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
7646 (stzx_16): Likewise.
7647 ("stzx_24_<mode>"): Likewise.
7648 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
7649 ("cmp<mode>_op"): New.
7650 (cmp<mode>): Change to expander; just save operands.
7652 (b<code>): Change to expander, emit compare here.
7653 (s<code>_op): Change to use split and expander.
7654 (s<code>_24_op): Likewise.
7655 (s<code>_<mode>): New.
7656 (s<code>_<mode>_24): New.
7657 (movqicc_<code>_<mode): New.
7658 (movhicc_<code>_<mode>): New.
7661 * config/m32c/m32c.c (compare_op0, compare_op1): New.
7662 (m32c_pend_compare): New.
7663 (m32c_unpend_compare): New.
7664 (m32c_expand_scc): New.
7665 (m32c_expand_movcc): Emit the compare also.
7666 * config/m32c/predicates.md (mra_nopp_operand): New.
7668 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
7669 Richard Guenther <rguenther@suse.de>
7670 Adam Nemet <anemet@caviumnetworks.com>
7673 * builtins.c (get_pointer_alignment): Handle more forms
7674 of base addresses that can be used to derive more precise
7675 information about alignment.
7677 2006-09-01 Jason Merrill <jason@redhat.com>
7680 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
7683 * gimplify.c (voidify_wrapper_expr): Handle null type.
7685 2006-09-01 Josh Conner <jconner@apple.com>
7688 * tree-nrv.c (dest_safe_for_nrv_p): New function.
7689 (execute_return_slot_opt): Use it.
7691 2006-08-31 Josh Conner <jconner@apple.com>
7694 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
7695 returning aggregates.
7697 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
7699 PR tree-optimization/28839
7700 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
7701 blocks in that phi arguments appear.
7703 2006-08-31 Roger Sayle <roger@eyesopen.com>
7706 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
7707 NULL, otherwise use an advance_loc4 to adjust relative to the
7709 (output_cfi) <DW_CFA_set_loc>: Update the current label.
7710 (dwarf2out_switch_text_section): Reset the current label to avoid
7711 using advance_loc4 over section boundaries.
7713 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
7716 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
7717 r12 + SYMBOLIC_CONST.
7719 2006-08-30 Richard Guenther <rguenther@suse.de>
7721 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7723 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7725 PR rtl-optimization/27735
7726 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7727 Add new argument to keep track of whether an irreducible region
7728 was affected. All callers changed.
7729 (fix_irreducible_loops): Removed.
7730 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7731 flags were invalidated.
7733 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7735 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7736 instead of SF operands.
7737 (*fop_df_comm_sse): Likewise.
7738 (*fop_df_comm_i387): Likewise.
7739 (*fop_df_1_mixed): Likewise.
7740 (*fop_df_1_sse): Likewise.
7742 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7743 J"orn Rennecke <joern.rennecke@st.com>
7745 PR tree-optimization/17506
7746 * tree-ssa.c (warn_uninit): If warning about a location outside of
7747 the current function, note where the variable was declared.
7749 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7751 PR tree-optimization/28411
7752 * double-int.c (double_int_div): Use double_int_divmod.
7753 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7754 double_int_mod, double_int_smod, double_int_umod): New functions.
7755 * double-int.h (double_int_divmod, double_int_sdivmod,
7756 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7758 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7760 (get_computation_aff, get_computation_cost_at): Handle double_int
7761 return type of constant_multiple_of.
7763 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7766 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7767 an implicit conversion.
7769 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7771 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7773 2006-08-27 Roger Sayle <roger@eyesopen.com>
7775 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7778 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7780 * config/i386/crtfastmath.c: Fix a comment typo.
7782 2006-08-26 Roger Sayle <roger@eyesopen.com>
7784 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7785 temporary visit flags on CASE_LABEL_EXPRs.
7786 * c-common.c (match_case_to_enum): Add function comment. Avoid
7787 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7788 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7789 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7790 a constant, only warn if that constant value isn't handled.
7792 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7795 * input.h (restore_input_file_stack): Declare.
7796 (INPUT_FILE_STACK_BITS): Define.
7797 * toplev.c (fs_p, input_file_stack_history,
7798 input_file_stack_restored, restore_input_file_stack): New.
7799 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7800 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7801 (pop_srcloc): Don't free old state of stack.
7803 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7806 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7807 (PowerPC Type Attributes): New.
7809 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7811 * config/xtensa/xtensa.c (function_arg_boundary): New.
7812 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7814 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7815 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7817 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7820 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7823 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7825 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7826 (verify_local_live_at_start): Likewise.
7828 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7831 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7832 omp_add_variable): Treat sizes as variable whenever not
7835 2006-08-26 Richard Guenther <rguenther@suse.de>
7838 * fold-const.c (fold_binary): Fold temporary to correct
7839 type before constructing new comparison.
7841 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7844 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7845 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7847 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7850 * c-decl.c (start_function): Don't try to process prototype
7851 information from old declaration that isn't a function.
7853 2006-08-25 Jan Hubicka <jh@suse.cz>
7856 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7858 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7861 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7864 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7866 PR tree-optimization/16876
7867 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7868 exit if PARM doesn't match VALUE.
7870 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7872 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7873 literal_prefix directive.
7874 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7875 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7876 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7878 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7881 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7882 predicate to general_operand. Add 0->y and I->r alternatives.
7884 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7886 * doc/tm.texi: Fix a typo.
7887 * predict.c: Fix comment typos.
7889 2006-08-25 Nick Clifton <nickc@redhat.com>
7891 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7892 assertions of "cpu" and "machine".
7894 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7897 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7898 the access through a base which has an alias set of 0 cannot
7901 2006-08-24 Bill Wendling <wendling@apple.com>
7903 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7905 2006-08-24 Jan Hubicka <jh@suse.cz>
7907 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7909 2006-08-24 Jan Hubicka <jh@suse.cz>
7912 * cgraph.c: Fix comments.
7913 (cgraph_varpool_mark_needed_node): Mark only variables not already
7915 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7916 (cgraph_varpool_assembled_nodes_queue): New static variable.
7917 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7918 (cgraph_varpool_output_debug_info): New function.
7919 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7920 * Makefile.in: Add gt-cgraphunit.h
7922 2006-08-24 Jan Hubicka <jh@suse.cz>
7924 * predict.c (probability_reliable_p): New predicate.
7925 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7926 (predict_loops): Do not predict loop exit with less than 2%
7928 * basic-block.h (edge_probability_reliable_p,
7929 br_prob_note_reliable_p): Declare.
7930 * ia64.h (ia64_print_operand): Do not disable on-chip branch
7931 prediction when static predictor is not reliable.
7932 * rs6000.c (output_cbranch): Likewise.
7934 2006-08-23 Stuart Hastings <stuart@apple.com>
7937 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
7938 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
7940 2006-08-21 Geoffrey Keating <geoffk@apple.com>
7943 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
7944 complex values, nor for generic vector values.
7946 2006-08-22 Richard Guenther <rguenther@suse.de>
7949 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
7950 parameter. Convert arguments to arithmetic expression to the
7952 (analyze_scalar_evolution_1): Adjust caller.
7954 2006-08-22 Jan Hubicka <jh@suse.cz>
7956 Patch by Paolo Bonzini
7957 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
7960 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
7962 PR tree-optimization/28003
7963 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
7964 before grouping aliases.
7966 2006-08-22 Roger Sayle <roger@eyesopen.com>
7968 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
7969 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
7971 2006-08-21 Jason Merrill <jason@redhat.com>
7974 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
7975 wrapper. Loop to handle nested wrappers.
7976 (gimplify_bind_expr): Remove temp parameter.
7977 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
7978 and STATEMENT_LIST on the rhs.
7979 (gimplify_statement_list): Voidify the STATEMENT_LIST.
7980 (gimplify_expr): Pass pre_p to gimplify_statement_list.
7981 (gimplify_target_expr): Remove special BIND_EXPR handling.
7983 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
7985 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
7988 2006-08-21 Olivier Hainque <hainque@adacore.com>
7990 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
7991 Arrange for the temporary captures of components overlapping the lhs
7992 to happen before the lhs is possibly cleared.
7994 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
7996 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
7997 necessary places to pass the correct "number of registers" values
8000 2006-08-20 Jan Hubicka <jh@suse.cz>
8002 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
8003 (create_name_tags): Instead of quadratic checking use hashtable.
8004 * bitmap.h: Include hashtab.h.
8005 (bitmap_hash): Declare.
8006 * bitmap.c (bitmap_hash): New function.
8008 2006-08-20 Jan Hubicka <jh@suse.cz>
8010 PR rtl-optimization/28071
8011 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
8013 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
8014 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
8015 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
8016 cgraph_decide_inlining_incrementally): Update use of
8017 cgraph_check_inline_limits.
8018 * cgraph.c (edge_hash, edge_eq): New function.
8019 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
8020 cgraph_edge_remove_caller, cgraph_node_remove_callees,
8021 cgraph_remove_node): Maintain call site hash.
8022 * cgraph.h (struct cgraph_node): Add call_site_hash.
8023 (cgraph_set_call_stmt): New function.
8025 2006-08-20 Jan Hubicka <jh@suse.cz>
8027 PR rtl-optimization/28071
8028 * reload1.c (reg_has_output_reload): Turn into regset.
8029 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
8030 choose_reload_regs, emit_reload_insns): Update to new
8031 reg_has_output_reload.
8033 2006-08-20 Jan Hubicka <jh@suse.cz>
8036 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
8037 function body sizes.
8038 * cgraphunit.c (cgraph_analyze_function): Don't do so.
8040 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
8043 * tree.c (handle_dll_attribute): Return early if not a
8044 var or function decl.
8046 2006-08-18 Joseph Myers <joseph@codesourcery.com>
8049 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
8050 alignment of SPE vector types.
8052 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
8054 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
8056 2006-08-17 Jakub Jelinek <jakub@redhat.com>
8059 * cgraph.h (struct cgraph_node): Remove externally_visible
8061 * cgraphunit.c (process_function_and_variable_attributes): Set
8062 local.externally_visible rather than externally_visible.
8065 * c-common.c (handle_externally_visible_attribute): First look
8066 at TREE_CODE and only if it is function or var decl, check for
8067 non-public objects. Don't warn for DECL_EXTERNAL.
8068 * cgraphunit.c (process_function_and_variable_attributes): Warn
8069 if externally_visible attribute is used on non-public object.
8071 2006-08-17 Jan Hubicka <jh@suse.cz>
8073 PR tree-optimization/27865
8074 * reload1.c (forget_marked_reloads): New function.
8075 (forget_old_reloads_1): When data are passed, just mark the registers
8077 (reload_as_needed): Use the new mechanizm.
8079 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
8082 * reload.h (reg_equiv_alt_mem_list): New declaration.
8083 * reload1.c (reg_equiv_alt_mem_list): New definition.
8084 (reload): Initialize it and release it.
8085 (delete_output_reload): Use it.
8086 * reload.c (push_reg_equiv_alt_mem): New function.
8087 (find_reloads_toplev): Call it.
8088 (find_reloads_address, find_reloads_address_1): Likewise.
8089 (find_reloads_subreg_address): Likewise.
8091 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8093 PR rtl-optimization/28489
8094 * sched-ebb.c (begin_schedule_ready): Create basic block
8096 (advance_target_bb): Skip empty blocks.
8097 * haifa-sched.c (bb_note): Make global.
8098 * sched-int.h (bb_note): Add prototype.
8100 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8102 PR tree-optimization/27865
8103 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
8105 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
8106 fold_used_pointer, pointer_used_p): New functions.
8107 (analyze_scalar_evolution_1): Use fold_used_pointer.
8108 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
8109 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
8112 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
8115 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
8116 or the INTEGER_CST. Fail on a CALL_EXPR.
8117 (fold_offsetof): Pass new argument to fold_offsetof_1.
8118 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
8119 operand into an INDIRECT_REF.
8120 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
8122 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8124 PR gcov/profile/26570
8125 * value-prof.c (static_values): Removed.
8126 (tree_find_values_to_profile): Do not set static_values.
8127 (find_values_to_profile): Do not free static_values.
8128 * profile.c (instrument_values): Do not free the values.
8129 (branch_prob): Free the values.
8131 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
8133 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
8135 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
8138 * c-typeck.c (build_component_ref): Combine qualifiers of
8139 structure or union and field.
8141 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8143 PR rtl-optimization/28071
8144 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
8145 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
8146 * tree-into-ssa.c (struct dom_dfsnum): New.
8147 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
8149 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
8150 compute_global_livein.
8151 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
8152 in phi nodes in the correct blocks.
8154 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8156 PR tree-optimization/28364
8157 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
8159 (fold_affine_expr): New function.
8160 (may_eliminate_iv): Use fold_affine_expr.
8162 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8165 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
8168 2006-08-16 Mike Stump <mrs@apple.com>
8170 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
8171 * doc/cppopts.texi (-MD): Likewise.
8173 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
8176 * c-common.c (handle_weak_attribute): Ignore and warn if
8177 not a FUNCTION_ or VAR_DECL.
8179 2006-07-15 Mike Stump <mrs@apple.com>
8182 * c-parser.c (c_parser_typeof_specifier): Don't use
8183 c_finish_expr_stmt, open code desired semantics instead.
8185 2006-08-15 Nick Clifton <nickc@redhat.com>
8187 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
8188 fragment to tmake_file only if threads are enabled.
8189 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
8190 * config/i386/t-gthr-win32: New file. ... here.
8192 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8195 * c-parser.c (c_parser_compound_statement_nostart): Reset
8196 parser->error after each statement.
8198 2006-08-15 Jakub Jelinek <jakub@redhat.com>
8201 * omp-low.c (lower_omp_parallel): Convert t to
8202 receiver_decl's type.
8203 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
8204 source before comparison.
8207 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
8208 to itype in assignment to oldival2.
8210 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
8214 * c-typeck.c (build_compound_expr): If the second expression
8215 is an error mark, then just return an error mark instead of
8216 creating a COMPOUND_EXPR.
8218 2006-07-14 Mike Stump <mrs@apple.com>
8220 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
8222 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
8224 * c-decl.c, var-tracking.c: Fix comment typos.
8226 2006-08-14 Richard Sandiford <richard@codesourcery.com>
8228 PR rtl-optimization/28634
8229 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
8230 for floating-point modes unless flag_unsafe_math_optimizations.
8232 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
8233 Andrew Pinski <pinskia@physics.uc.edu>
8236 * tree.c (build_array_type): Unify array types with
8237 unspecified index_type.
8238 * c-decl.c (grokdeclarator): Make sure we do not modify a
8239 unified incomplete array type.
8240 * c-typeck.c (store_init_value): Create distinct type before
8241 filling in the index type in an initializer from a compound
8244 * c-decl.c (grokdeclarator): Remove code where we copy the
8247 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
8249 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
8250 into account for TODO_dump_cgraph.
8251 (TODO_update_ssa_no_phi): Likewise.
8252 (TODO_update_ssa_full_phi): Likewise.
8253 (TODO_update_ssa_only_virtuals): Likewise.
8254 (TODO_remove_unused_locals): Likewise.
8255 (TODO_set_props): Likewise.
8256 (TODO_update_stmt_usage): Likewise.
8258 2006-08-13 Dirk Mueller <dmueller@suse.de>
8260 * c-common.c (strict_aliasing_warning): Fix formatting.
8262 2006-08-13 Matthias Klose <doko@debian.org>
8264 * doc/invoke.texi: Fix spelling errors.
8266 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8268 PR rtl-optimization/23454
8269 * reorg.c (relax_delay_slots): Update comment.
8271 2006-08-11 Richard Guenther <rguenther@suse.de>
8274 * simplify-rtx.c (simplify_const_relational_operation):
8275 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
8278 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
8280 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
8281 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
8283 2006-08-10 Paul Brook <paul@codesourcery.com>
8285 * final.c (final_scan_insn): Clear current_insn_predicate before
8286 outputting inline asm.
8288 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
8290 PR tree-optimization/26197
8291 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
8292 get_ref_base_and_extent and overlap_subvar to add only relevant
8293 subvars as may-aliases.
8294 (add_may_alias_for_new_tag): New function, factored out of
8296 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
8297 with additional argument.
8298 * tree-flow.h (new_type_alias): Takes additional argument.
8300 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
8302 * gcov.c (no_data_file): New flag.
8303 (read_count_file): Set it if data file not present. Assume counts
8305 (output_lines): Don't name the data file, if there wasn't one.
8307 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
8309 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
8310 (rs6000_generate_compare): Tweak comments.
8311 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
8313 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
8315 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
8316 (var_debug_decl): New function.
8317 (var_reg_set): Follow debug decl link. Add location even if
8318 reg is already known to hold some other variable.
8319 (var_mem_set): Follow debug decl link.
8320 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
8321 decl link. Delete other known locations of the variable part
8323 (var_reg_delete, var_mem_delete): Delete other known locations
8324 of the variable part if requested.
8325 (same_variable_part_p): New function.
8326 (add_stores): Select MO_COPY when appropriate.
8327 (vt_initialize): Handle it.
8328 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
8329 known locations for MO_SET and MO_CLOBBER.
8330 (find_variable_location_part): New function.
8331 (set_variable_part, delete_variable_part): Use it.
8332 (clobber_variable_part): New function.
8333 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
8336 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
8338 PR tree-optimization/26969
8339 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
8340 with an empty list of PHIs.
8342 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
8346 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
8349 2006-08-06 Andreas Schwab <schwab@suse.de>
8351 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
8352 string. Whitespace and comment fixup.
8354 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8357 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
8361 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
8364 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
8366 2006-08-04 Jan Hubicka <jh@suse.cz>
8370 * reload.c (push_reload): Patch out the mismatching instruction;
8372 (find_reload): Bail out if the instruction was patched out.
8374 2006-08-04 Jan Hubicka <jh@suse.cz>
8376 PR tree-optimization/24888
8377 * tree-inline.c (expand_call_inline): Do not re-record variables.
8378 (declare_inline_vars): Add variable to unexpanded_var_list.
8380 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8381 Roger Sayle <roger@eyesopen.com>
8383 PR rtl-optimization/26244
8384 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
8385 inner_const are negative or greater than or equal to the bitsize of
8386 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
8387 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
8388 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
8389 CONST0_RTX (mode) when the new shift count is greater than or equal to
8390 to the bitsize of the object being shifted and XEXP (y, 0) has no side
8393 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
8395 * tree-cfg.c: Fix a comment typo.
8397 2006-08-03 Mark Mitchell <mark@codesourcery.com>
8400 * varasm.c (output_constant): Give the front end another chance to
8401 expand constants, after stripping NOPs.
8403 2006-08-03 Jan Hubicka <jh@suse.cz>
8405 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
8408 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
8410 PR tree-optimization/27770
8411 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
8412 declaration removed (moved to tree-flow.h).
8413 (vect_can_force_dr_alignment_p): Likewise.
8414 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
8415 (moved from tree-vectorizer.h).
8416 (vect_can_force_dr_alignment_p): Likewise.
8417 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
8418 from outside the vectorizer - in particular from cgraph stage.
8419 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
8420 the alignment of global arrays when -fsection-anchors is enabled.
8421 * cgraphunit.c (cgraph_increase_alignment): New function.
8422 (cgraph_optimize): Call cgraph_increase_alignment.
8424 2006-08-03 David Edelsohn <edelsohn@gnu.org>
8427 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
8428 not reload a SPE symbol_ref into a lo_sum address.
8430 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
8433 * dwarf2out.c (prune_unused_types_prune): Move call to
8434 prune_unused_types_update_strings to cover the parent DIE also.
8436 2006-08-02 Jan Hubicka <jh@suse.cz>
8438 PR gcov/profile/28480
8439 * tree-cfg.c (change_bb_for_stmt): New function.
8440 (tree_merge_blocks, tree_split_blocks): Use it.
8442 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8448 * toplev.c (compile_file): Return early on errorcount or sorrycount.
8449 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
8450 (cgraph_optimize): Likewise.
8452 2006-08-01 Stuart Hastings <stuart@apple.com>
8454 * rtl.h (UINTVAL) New.
8455 * config/rs6000/rs6000.c (SMALL_INT) Use it.
8456 * testsuite/gcc.dg/20060801-1.c: New.
8458 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
8461 * c-typeck.c (build_external_type): Mark used enum types.
8462 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
8464 (gen_subprogram_die): Whitespace fix.
8466 2006-08-01 Jan Hubicka <jh@suse.cz>
8468 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
8469 bitmap when not needed.
8470 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
8473 2006-08-01 Dirk Mueller <dmueller@suse.de>
8475 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
8477 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8479 * Makefile.in: Revert part of previous patch:
8480 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
8483 2006-07-30 Eric Christopher <echristo@apple.com>
8486 * doc/extend.texi (i386 Variable Attributes): Add anchor.
8487 (PowerPC Variable Attributes): New section.
8489 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
8491 PR target/28126 (partial fix)
8492 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
8494 2006-07-28 Jan Hubicka <jh@suse.cz>
8496 PR rtl-optimization/28071
8497 * cfgrtl.c (rtl_delete_block): Free regsets.
8498 * flow.c (allocate_bb_life_data): Re-use regsets if available.
8500 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8502 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
8503 and variables used in dependencies.
8505 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
8507 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
8508 %fs for -mcmodel=kernel.
8509 (stack_tls_protect_test_di): Likewise.
8511 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
8513 * Makefile.in: Use mkinstalldirs.
8515 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
8518 * opts-common.c (prune_options): Skip joined switches.
8520 2006-07-27 Jan Hubicka <jh@suse.cz>
8522 PR rtl-optimization/28071
8523 * cselib.c (cselib_process_insn): Don't remove useless values too
8524 often for very large hashtables.
8526 2006-07-27 Jan Hubicka <jh@suse.cz>
8528 PR rtl-optimization/28071
8529 * global.c (greg_obstack): New obstack.
8530 (allocate_bb_info): Use it.
8531 (free_bb_info): Likewise.
8532 (modify_reg_pav): Likewise.
8534 2006-07-27 Roger Sayle <roger@eyesopen.com>
8536 * builtins.c (fold_fixed_mathfn): When long and long long are the
8537 same size, canonicalize llceil*, llfloor*, llround* and llrint*
8538 functions to their lceil*, lfloor*, lround* and lrint* forms.
8540 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8543 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
8545 (rev_branch_insn): Likewise.
8547 2006-07-27 Jan Hubicka <jh@suse.cz>
8549 PR rtl-optimization/28071
8550 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
8551 (reg_set_in_bb, max_reg_computed): New static variables.
8552 (regmove_optimize): Free the new array.
8553 (fixup_match_1): Update call of reg_is_remote_constant_p.
8555 2006-07-26 Jan Hubicka <jh@suse.cz>
8557 PR tree-optimization/27882
8558 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
8560 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
8562 (cgraph_analyze_compilation_unit): Likewise.
8563 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
8564 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
8565 (cgraph_early_inlinine): Make order garbage collected.
8566 * Makefile.in (gt-ipa-inline): New garbagecollected file.
8568 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8570 * dbxout.c (output_types_sort): Add a comment.
8571 (output_used_types): Free the VEC.
8573 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8575 * function.c (reorder_fix_fragments): Delete.
8576 (reorder_blocks): Don't call it.
8577 (reorder_blocks_1): Put all subblocks under the origin block.
8579 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
8581 PR rtl-optimization/27907
8582 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
8585 2006-07-25 Roger Sayle <roger@eyesopen.com>
8588 * convert.c (convert_to_integer): When transforming (T)foo(x) into
8589 bar(x) check that bar's result type can represent all the values of T.
8591 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
8593 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
8595 2006-07-25 Nick Clifton <nickc@redhat.com>
8597 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
8598 size_lookup[] array.
8599 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
8600 (ggc_pch_count_object): Likewise.
8601 (ggc_pch_alloc_object): Likewise.
8602 (ggc_pch_write_object): Likewise.
8603 (init_ggc): Do not attempt to initialize entries in the
8604 size_lookup[] array for objects whose size is greater than than
8605 the length of the array.
8607 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
8609 * dbxout.c (output_used_types_helper): Push queued types
8611 (output_types_sort): New.
8612 (output_used_types): Collect used types on a VEC and sort them
8615 2006-07-24 Richard Guenther <rguenther@suse.de>
8618 * cgraph.c (cgraph_remove_node): Do not check if dumps
8620 * cgraphunit.c (cgraph_optimize): Likewise.
8622 2006-07-24 Jan Hubicka <jh@suse.cz>
8624 PR rtl-optimization/28071
8625 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
8626 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
8627 splitting before first stmt.
8629 2006-07-24 Jan Hubicka <jh@suse.cz>
8631 PR rtl-optimization/28071
8632 * ipa-inline.c (update_caller_keys): Remove edges that
8633 are no longer inline candidates.
8635 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
8638 * dbxout.c (output_used_types_helper, output_used_types): New.
8639 (dbxout_symbol): Call output_used_types.
8641 2006-07-23 Jan Hubicka <jh@suse.cz>
8645 * cgraph.c (cgraph_varpool_nodes): Export.
8646 (decide_is_variable_needed): Ignored "used" attribute in
8647 unit-at-a-time mode.
8648 * cgraph.h (cgraph_varpool_nodes): Declare.
8649 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
8650 unit-at-a-time mode.
8652 2006-07-23 Roger Sayle <roger@eyesopen.com>
8655 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
8656 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
8657 the __gthrw form of thr_keycreate.
8658 (__gthread_key_delete): Silence the unused argument warning.
8660 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
8663 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
8664 Cache the last found '\0' marker to avoid quadratic behavior.
8666 2006-07-23 Jan Hubicka <jh@suse.cz>
8668 * i386.md (subsi_3_zext): Fix output template.
8670 2006-07-21 Mike Stump <mrs@apple.com>
8672 * doc/invoke.texi (C++ Dialect Options): Note that
8673 -fvisibility-inlines-hidden doesn't affect explicitly
8674 instantiationed inline methods.
8676 2006-07-20 Roger Sayle <roger@eyesopen.com>
8678 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
8679 if the target assembler is GNU binutils' gas.
8680 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
8681 whether to pass GNU gas or native as command line options.
8683 2006-07-20 Jason Merrill <jason@redhat.com>
8685 * tree.c (remove_attribute): New fn.
8686 * tree.h: Declare it.
8688 2006-07-20 Paul Brook <paul@codesourcery.com>
8691 * cse.c (cse_insn): Add destination addresses to hash table. Check if
8692 they are invalidated by this instruction.
8694 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
8697 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
8699 2006-07-20 Eric Christopher <echristo@apple.com>
8702 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
8704 2006-07-19 Eric Christopher <echristo@apple.com>
8706 * config/t-slibgcc-darwin (stmp-lipo): Remove.
8707 Rewrite dependencies for libgcc_s.1.dylib.
8709 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8711 * except.c (duplicate_eh_regions_1): Clear next_peer.
8713 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
8715 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
8716 -mlongcall does not guarantee all calls will be long.
8717 * doc/extend.texi (long_call/short_call): Document that longcall
8718 does not guarantee a long call will be used.
8719 (longcall/shortcall): Likewise.
8721 2006-07-18 Roger Sayle <roger@eyesopen.com>
8724 * expmed.c (expand_shift): Additionally check that the shift_cost
8725 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8726 before implementing a LSHIFT_EXPR as a sequence of additions.
8727 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8728 middle-end that DImode shifts need to be synthesized by expand.
8730 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8733 * tree-ssa-operands.c (access_can_touch_variable): Update
8735 Return true if ALIAS is .GLOBAL_VAR.
8737 2006-07-18 David Daney <ddaney@avtrex.com>
8739 * gcc.c (display_help): Fix typo in help text.
8741 2006-07-18 Olivier Hainque <hainque@adacore.com>
8743 * tree.h (categorize_ctor_elements): Adjust prototype and add
8744 descriptive comment, both in accordance with the interface change
8746 * varasm.c (constructor_static_from_elts_p): New function.
8747 Whether a constructor node is a valid static constant initializer
8748 if all its elements are.
8749 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8750 * output.h: Declare it.
8751 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8752 is a valid constant initializer instead of computing the number of
8753 non-constant elements. Use constructor_static_from_elts_p for this
8754 purpose. Replace the head comment with an indication that this is a
8755 helper for categorize_ctor_elements.
8756 (categorize_ctor_elements): Same interface change as for the _1
8757 helper. Former head comment from this helper moved here, adjusted to
8758 account for the interface changes.
8759 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8760 (all_zeros_p): Likewise.
8761 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8762 static versions of the constructor from the categorize_ctor_elements
8763 return value instead of the formerly computed number of non-constant
8766 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8768 * configure: Regenerate.
8769 * Makefile.in (build_libsubdir): New configure substitution
8770 (build_libobjdir): New variable.
8771 (BUILD_LIBIBERTY): Use it.
8773 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8776 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8778 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8781 * c-common.c (handle_weakref_attribute): Ignore attribute in
8782 the same conditions the alias attribute is ignored.
8784 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8786 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8787 (dbxout_begin_prologue): Increment scope_labelno.
8789 2006-07-17 Richard Henderson <rth@redhat.com>
8792 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8795 2006-07-17 Roger Sayle <roger@eyesopen.com>
8796 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8798 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8799 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8800 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8801 functions such as sbrk, write, etc.. Add function prototypes.
8802 Convert function declarations from K&R to ISO C. Cast pointers
8803 to "long" and "unsigned long" instead of "int" and "unsigned int".
8804 Convert tokens following #endif into comments.
8806 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8808 * invoke.texi: Remove mention of f77; Reformat table for
8809 inline parameter options correctly; mention that -malign-double
8810 is default on x86-64 targets.
8812 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8814 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8815 (convert_affine_scev, chrec_convert_aggressive): Use
8816 avoid_arithmetics_in_type_p. Do not check for the subtypes
8819 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8822 * optabs.c (expand_doubleword_shift): Wrap the call to
8823 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8825 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8828 * optabs.c (expand_binop): Pass next_methods rather than methods
8829 to expand_doubleword_shift.
8831 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8834 * tree.h (dump_addr): Declare.
8835 * print-tree.c (dump_addr): New function.
8836 (print_node_brief, print_node): Use it.
8837 * print-rtl.c (print_rtx): Likewise.
8838 * common.opt (-fdump-noaddr): New option.
8839 * doc/invoke.texi (-fdump-noaddr): Document.
8840 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8841 (ve_info_hash): Likewise.
8843 2006-07-13 Andrew Haley <aph@redhat.com>
8845 PR tree-optimization/19505
8846 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8847 edge leaving this block, make sure that the destination of this
8848 block has only one predecessor.
8850 2006-07-17 Richard Guenther <rguenther@suse.de>
8852 PR tree-optimization/28238
8853 * tree-inline.c (copy_bb): Check if we produced valid
8854 gimple copying and substituting a stmt. If not, gimplify
8857 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8859 * optabs.c (maybe_encapsulate_block): New function extracted from...
8860 (emit_libcall_block): ...here. Invoke it on the block of insns to
8861 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8862 (emit_no_conflict_block): Likewise.
8864 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8866 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8868 2006-07-15 Roger Sayle <roger@eyesopen.com>
8870 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8871 a new NOP_EXPR case of the switch statement.
8873 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8876 * stor-layout.c (place_field): Take the bit field with
8877 an excessive size into account in the ms-bitfiled case.
8880 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8881 the previous bit field.
8883 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8886 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8888 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8890 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8891 signal frames correctly even when the signal was installed with
8894 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8896 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8897 (dbxout_function_end): Use local label LFBB. Remove hook
8899 (dbxout_source_line): Use local label LFBB.
8900 (dbxout_block): Likewise.
8901 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8902 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8903 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8904 and DBX_OUTPUT_NFUN.
8906 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8908 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8910 2006-07-13 Jan Hubicka <jh@suse.cz>
8912 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8914 * output.h (align_variable): Declare.
8915 * varasm.c (align_variable): Export.
8916 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8917 when basic block changed.
8919 2006-07-13 Nick Clifton <nickc@redhat.com>
8921 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8922 walking the LOG_LINKS chain.
8924 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8926 * doc/invoke.texi (C++ Dialect Options): Explain difference
8927 between -fvisibility-inlines-hidden and setting hidden
8928 visibility explicitly.
8930 2006-07-12 Eric Christopher <echristo@apple.com>
8932 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
8933 (stmp-lipo): Depend on libgcc.a.
8935 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
8937 * tree.c: Fix a comment typo.
8939 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
8941 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
8943 (umulhisi3_r): Likewise.
8945 2006-07-12 Paolo Carlini <pcarlini@suse.de>
8948 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
8949 x < 19, vs wchar_t support.
8951 2006-07-12 Nick Clifton <nickc@redhat.com>
8953 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
8954 instead of -isa=sh4.
8956 2006-07-12 Mike Stump <mrs@apple.com>
8958 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
8960 2006-07-10 Eric Christopher <echristo@apple.com>
8962 * config/t-slibgcc-darwin: Rewrite.
8964 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
8967 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
8970 2006-07-08 Matthias Klose <doko@debian.org>
8972 * doc/sourcebuild.texi: Fix typo.
8974 2006-07-07 Mike Stump <mrs@apple.com>
8976 * toplev.c (process_options): Don't give -ffunction-sections may
8977 affect debugging warning for Mach-O.
8979 2006-07-07 James E Wilson <wilson@specifix.com>
8981 * config/mips/mips.md (cpu): Add sb1a.
8982 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
8983 addition to sb1. Adjust comments to clarify SB-1A differences from
8985 (ir_sb1a_load): New. Modify bypasses to use it.
8986 (ir_sb1a_simple_alu): Likewise.
8987 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
8988 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
8989 (mips_issue_rate): Add PROCESSOR_SB1A.
8990 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
8991 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
8992 (TARGET_SB1): Add PROCESSOR_SB1A check.
8993 (TUNE_SB1): Likewise.
8995 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
8996 * config/mips/mips.c (mips_store_data_bypass_p): New.
8997 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
8998 store_data_bypass_p.
9000 2006-07-08 Paul Brook <paul@codesourcery.com>
9003 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
9005 2006-07-07 Richard Guenther <rguenther@suse.de>
9008 * tree.h (build_one_cst): Declare.
9009 * tree.c (build_one_cst): New function.
9010 * tree-ssa-math-opts.c (get_constant_one): Remove.
9011 (insert_reciprocals): Use build_one_cst.
9012 * fold-const.c (fold_plusminus_mult): Likewise.
9014 2006-07-07 Roger Sayle <roger@eyesopen.com>
9016 * pointer-set.c (pointer_set_destroy): Correct whitespace.
9017 * cfgloopanal.c (dump_graph): Likewise.
9018 * dojump.c (discard_pending_stack_adjust): Likewise.
9019 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
9021 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
9022 * function.c (finalize_block_changes): Likewise.
9023 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
9024 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
9025 * rtl.c (dump_rtx_statistics): Likewise.
9026 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
9028 * varray.c (dump_varray_statistics): Likewise.
9029 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
9030 decode_decimal64, encode_decimal128, decode_decimal128,
9031 decimal_real_to_decimal): Likewise.
9033 2006-07-07 Richard Guenther <rguenther@suse.de>
9035 PR tree-optimization/28187
9036 * tree-vrp.c (vrp_operand_equal_p): New function.
9037 (vrp_bitmap_equal_p): Likewise.
9038 (update_value_range): Use them to compare old and new
9041 2006-07-06 Roger Sayle <roger@eyesopen.com>
9043 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
9044 a default case to switch statement to silence compiler warnings.
9046 2006-07-06 Roger Sayle <roger@eyesopen.com>
9049 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
9050 the configured assembler supports the x87's ffreep mnemonic.
9051 * configure: Regenerate.
9052 * config.in: Regenerate.
9054 * config/i386/i386.c (output_387_ffreep): New function.
9055 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
9056 (output_387_reg_move): Likewise.
9058 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
9060 Port to hosts whose 'sort' and 'tail' implementations
9061 treat operands with leading '+' as file names, as POSIX
9062 has required since 2001. However, make sure the code still
9063 works on pre-POSIX hosts.
9064 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
9065 which says you should use "tail -c +N" rather than "tail +Nc".
9066 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
9068 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
9070 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
9073 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9076 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
9077 PRE_{INC,DEC} of TFmode.
9079 2006-07-06 David Edelsohn <edelsohn@gnu.org>
9080 Alan Modra <amodra@bigpond.net.au>
9083 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
9086 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9089 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
9090 Remove duplicate gtu.
9092 2006-07-05 Jason Merrill <jason@redhat.com>
9096 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
9097 * c-common.c (handle_packed_attribute): So don't copy it here.
9098 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
9100 2006-07-05 Mike Stump <mrs@apple.com>
9102 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
9104 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
9107 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
9109 2006-07-05 Richard Guenther <rguenther@suse.de>
9112 * config/i386/i386.md (*negdf2_1): Restrict pattern to
9113 TARGET_SSE2 targets if using SSE math.
9114 (*absdf2_1): Likewise.
9116 2006-07-05 Richard Guenther <rguenther@suse.de>
9118 PR tree-optimization/28162
9119 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
9120 make sure to convert the operands to the correct type.
9122 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
9124 PR tree-optimization/28218
9126 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
9127 to calculate and free the dominator information.
9129 2006-07-04 Peter O'Gorman <peter@pogma.com>
9131 * mklibgcc.in: chmod 644 before ranlib during install.
9133 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
9134 J"orn Rennecke <joern.rennecke@st.com>
9136 * configure.ac (.eh_frame data check): Use diff -b.
9138 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
9141 * Makefile.in (BUILD_RTL): Add build/vec.o.
9142 (build/gencondmd.o): Filter out -fkeep-inline-functions.
9143 (build/genextract): Delete.
9144 (build/genautomata): Likewise.
9146 2006-07-04 Alan Modra <amodra@bigpond.net.au>
9149 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
9150 128-bit IBM long doubles for ABI_V4.
9152 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
9154 * tree.c (range_in_array_bounds_p): New predicate.
9155 * tree.h (range_in_array_bounds_p): Declare it.
9156 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
9157 return a less conservative answer.
9158 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
9159 and flag 'is_group'.
9160 (IS_ELEMENT_FOR_GROUP): New macro.
9161 (FOR_EACH_ACTUAL_CHILD): Likewise.
9162 (next_child_for_group): New helper function.
9163 (can_completely_scalarize_p): Take into account groups.
9164 (sra_hash_tree): Handle RANGE_EXPR.
9165 (sra_elt_eq): Likewise.
9166 (lookup_element): Be prepared for handling groups.
9167 (is_valid_const_index): Delete.
9168 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
9169 instead of is_valid_const_index.
9170 <ARRAY_RANGE_REF>: New case.
9171 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
9172 is_valid_const_index.
9173 <ARRAY_RANGE_REF>: Do not unconditionally punt.
9174 (scan_dump): Dump info for groups too.
9175 (decide_instantiation_1): Likewise.
9176 (decide_block_copy): Assert that the element is not a group.
9177 Propagate decision to groups.
9178 (generate_one_element_ref): Handle RANGE_EXPR.
9179 (mark_no_warning): Iterate over actual childs.
9180 (generate_copy_inout): Likewise.
9181 (generate_element_copy): Likewise.
9182 (generate_element_zero): Likewise.
9183 (generate_element_init_1): Likewise.
9184 (dump_sra_elt_name): Handle RANGE_EXPR.
9186 2006-07-03 Roger Sayle <roger@eyesopen.com>
9188 PR tree-optimization/26251
9189 * tree-ssa-threadupdate.c (redirection_block_p): New function.
9190 (thread_block): When optimizing for size refuse to thread jumps
9191 that would require duplication of blocks other than redirection
9194 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9196 * configure.ac: Fix thinko in previous check-in.
9197 * configure: Regenerate.
9199 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9202 * configure.ac (for lang...): Simplify nesting of conditionals.
9203 Test subdir_requires for non-enabled languages. Move processing
9204 of lang_opt_files and lang_tree_fiels below that test.
9205 * configure: Regenerate.
9206 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
9208 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
9210 * doc/gcov.texi (Invoking Gcov): Add a missing word.
9212 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
9214 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
9217 2006-06-29 Jason Merrill <jason@redhat.com>
9224 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
9225 * c-common.c (c_determine_visibility): Handle it here.
9226 * c-decl.c (finish_decl): Call c_determine_visibility for
9228 * flags.h (enum symbol_visibility): Sort from most to least visibility.
9230 * varasm.c (default_assemble_visibility): Likewise.
9231 * c-common.c (handle_visibility_attribute): Complain about trying
9232 to give visibility to an already defined class, or trying to change
9233 declared visibility. Always attach the attribute.
9238 * attribs.c (decl_attributes): Ignore type-in-place attributes
9239 once the type has been defined.
9241 2006-06-29 Roger Sayle <roger@eyesopen.com>
9244 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
9245 to indicate the cpplib has issued an error message for us.
9247 2006-06-29 Asher Langton <langton2@llnl.gov>
9250 * config/i386/i386.c (ix86_output_function_epilogue): Don't
9251 insert a label at the end of an function under Mach-O.
9253 2006-06-29 Eric Christopher <echristo@apple.com>
9254 Evan Cheng <evan.cheng@apple.com>
9256 * predicates.md (vector_all_ones_operand): New.
9257 (nonimmediate_or_sse_const_operand): Ditto.
9258 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
9259 * config/i386/i386.c (standard_sse_constant_opcode): Define.
9260 (standard_sse_mode_p): Ditto.
9261 (standard_sse_constant_p): Add case for -1 vector.
9262 (ix86_expand_vector_move): Try to use.
9263 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
9264 Call standard_sse_constant_opcode.
9265 (*movv4sf_internal): Ditto.
9266 (*movv2df_internal): Ditto.
9268 2006-06-29 Roger Sayle <roger@eyesopen.com>
9270 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
9271 of XEXP to extract the operands of a MATCH_CODE rtx.
9273 2006-06-28 Andrew Pinski <pinskia@gmail.com>
9275 * tree.c (tree_size): Do not waste tail padding in
9276 struct tree_string and make the size be the same as
9277 build_string will generate.
9279 2006-06-28 Jason Merrill <jason@redhat.com>
9282 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
9283 may_aliases already in the tag's annotations to the bitmap.
9285 2006-06-28 Roger Sayle <roger@eyesopen.com>
9287 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
9289 2006-06-28 Roger Sayle <roger@eyesopen.com>
9291 * genpreds.c (generate_switch_p): New function.
9292 (add_mode_tests): Push the new mode test down inside an AND expr
9293 if this allows the switch-suitable MATCH_CODE to be near the root.
9294 (write_match_code_switch): New function to write a MATCH_CODE as
9296 (write_predicate_stmts): New function to write a predicate RTX
9297 expression as a sequence of statements.
9298 (write_one_predicate_function): Use write_predicate_stmts.
9299 (write_tm_constrs_h): Likewise.
9301 2006-06-26 Fred Fish <fnf@specifix.com>
9303 * config/mips/t-sb1: New file.
9304 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
9307 2006-06-26 DJ Delorie <dj@redhat.com>
9309 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
9311 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
9312 Jayant Sonar <jayants@kpitcummins.com>
9313 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
9315 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
9316 (subsi3, subsi3_1, subsi3_2): New.
9317 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
9318 * config/m32c/mov.md (SI mov peephole): New.
9319 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
9320 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
9322 2006-06-26 Olivier Hainque <hainque@adacore.com>
9324 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
9325 a CALL_EXPR target function declaration.
9327 2006-06-26 Richard Guenther <rguenther@suse.de>
9329 * tree.c (build_string): Do not waste tail padding in
9332 2006-06-26 Richard Guenther <rguenther@suse.de>
9334 * ggc-page.c (init_ggc): Add missing element to size_lookup
9338 2006-06-23 Richard Guenther <rguenther@suse.de>
9340 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9341 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9342 alignment requests instead. Add verification code.
9343 Add struct tree_function_decl and struct tree_binfo size to
9344 extra_order_size_table. Add missing element to size_lookup
9347 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
9350 * fold-const.c (const_binop): Be prepared for self returning zero.
9351 Simplify code handling complex values.
9353 2006-06-24 Olivier Hainque <hainque@adacore.com>
9355 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
9356 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
9359 2006-06-24 Olivier Hainque <hainque@adacore.com>
9361 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
9362 ARRAY_REF, so have the callback called for the low bound expression.
9364 2006-06-23 Janis Johnson <janis187@us.ibm.com>
9366 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
9367 * c-typeck.c (c_common_type): Disallow operations on decimal float
9368 types and other float types.
9369 * convert.c (convert_to_real): Don't ignore conversions involving
9370 decimal float types.
9372 2006-06-23 Olivier Hainque <hainque@adacore.com>
9374 * tree.c (max_int_size_in_bytes): New function, inspired from
9375 code in function.c:assign_temp.
9376 * tree.h (max_int_size_in_bytes): Declare.
9377 * function.c (assign_temp): Use it.
9378 * gimplify.c (create_tmp_var): Relax the assertions on the type
9379 properties, not mandating constant size any more.
9380 (force_constant_size): New static function.
9381 (gimple_add_tmp_var): Use it, forcing variable size to a
9382 constant upper bound if it is not constant on entry.
9384 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
9387 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
9388 for initialization and setting of one_only flag to ...
9389 (i386_pe_encode_section_info): ...here.
9390 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
9391 Recheck that the symbol has not been defined.
9393 2006-06-23 Richard Guenther <rguenther@suse.de>
9395 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9396 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9397 alignment requests instead. Add verification code.
9398 Add struct tree_function_decl and struct tree_binfo size to
9399 extra_order_size_table. Add missing element to size_lookup
9402 2006-06-22 Roger Sayle <roger@eyesopen.com>
9403 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9406 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
9407 call to lang_hooks.types.type_for_mode returned NULL_TREE.
9409 2006-06-23 Ben Elliston <bje@au.ibm.com>
9411 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
9412 negate dn -- manipulate it directly.
9414 2006-06-22 Roger Sayle <roger@eyesopen.com>
9415 Steven Bosscher <stevenb.gcc@gmail.com>
9418 * reload1.c (gen_reload): Call mark_jump_label on the new insns
9419 generated by gen_move_insn to add REG_LABEL notes if necessary.
9421 2006-06-22 Bob Wilson <bob.wilson@acm.org>
9423 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
9424 (leaf_entry): Remove use of MIN_ESA.
9426 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
9428 PR rtl-optimization/28121
9429 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
9432 2006-06-21 DJ Delorie <dj@redhat.com>
9434 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
9436 (mulhisi3_r): Likewise.
9438 2006-06-21 Richard Sandiford <richard@codesourcery.com>
9441 * coverage.c (coverage_counter_alloc): Leave the index type
9443 (coverage_counter_alloc): Use null arguments for operands 2 and 3
9446 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
9448 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
9449 section from the "Options for Code Generation Conventions".
9451 2006-06-21 Richard Henderson <rth@redhat.com>
9455 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
9457 (global_symbolic_operand): Allow weak symbols, even if local_p.
9459 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
9461 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
9462 (find_interesting_uses_address): Punt if above function returns true.
9464 2006-06-21 Richard Guenther <rguenther@suse.de>
9466 * configure: Regenerated.
9468 2006-06-21 Joseph Myers <joseph@codesourcery.com>
9470 * config/mips/mips.c (function_arg): Where one part of a
9471 complex argument is in registers and the other part in the stack,
9472 return a REG not a PARALLEL.
9474 2006-06-21 Mark Mitchell <mark@codesourcery.com>
9476 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
9477 when cross-compiling. Do not substitute libstdcxx_incdir.
9478 * configure: Regenerated.
9480 2006-06-21 Jakub Jelinek <jakub@redhat.com>
9482 * varasm.c (mergeable_string_section): Check for embedded NULs and
9483 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
9484 rather than TREE_STRING_LENGTH bytes.
9486 2006-06-21 Richard Guenther <rguenther@suse.de>
9488 * ggc-page.c (extra_order_size_table): Add var_ann_d,
9489 tree_ssa_name, bitmap_element and phi_node with 4 arguments
9492 2006-06-21 Richrad Guenther <rguenther@suse.de>
9494 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
9495 Limit iteration over the dominators.
9497 2006-06-20 Roger Sayle <roger@eyesopen.com>
9499 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
9500 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
9502 2006-06-20 Richard Guenther <rguenther@suse.de>
9503 Michael Matz <matz@suse.de>
9505 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
9507 * alloc-pool.c (free_alloc_pool_if_empty): New function.
9508 * et-forest.h (et_free_pools): Prototype new function.
9509 * et-forest.c (et_free_tree_force): Free parent occurrence.
9510 (et_free_pools): New function.
9511 * dominance.c (free_dominance_info): Free et-forest alloc
9514 2006-06-20 Roger Sayle <roger@eyesopen.com>
9516 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
9517 integer modes, attempt to directly construct an integer constant.
9519 * fold-const.c (native_encode_vector): Determine the size of each
9520 element from the vector type instead of the first vector element.
9522 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
9523 if all of its elements/components are constant.
9524 (build_constructor_from_list): Likewise.
9526 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
9528 PR tree-optimization/27331
9529 * tree-data-ref.c (free_data_ref): New function.
9530 (create_data_ref): Fail if the data reference has unknown access
9532 (free_data_refs): Use free_data_ref.
9534 2006-06-19 Andrew Pinski <pinskia@gmail.com>
9537 * tree-inline.c (setup_one_parameter): Strip useless
9538 type conversion before adding it to the IR.
9539 (declare_return_variable): Likewise.
9541 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
9544 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
9546 2006-06-19 Mike Stump <mrs@apple.com>
9548 * tree.c (variably_modified_type_p): VM arguments don't make the
9551 2006-06-19 Richard Guenther <rguenther@suse.de>
9553 * tree-ssa-pre.c (try_combine_conversion): Strip useless
9554 type conversions after folding.
9556 2006-06-19 Richard Guenther <rguenther@suse.de>
9558 * ggc-page.c (extra_order_size_tab): Add entries with
9559 size of struct function and basic_block.
9560 (size_lookup): Extend to cover sizes up to 511.
9561 (ggc_alloc_stat): Adjust user.
9562 (ggc_pch_count_object): Likewise.
9563 (ggc_pch_alloc_object): Likewise.
9564 (ggc_pch_write_object): Likewise.
9566 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
9568 * tree-ssa-loop-niter.c (implies_ge_p): New function.
9569 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
9572 2006-06-19 Denis Chertykov <denisc@overta.ru>
9574 * config/avr/libgcc.S : Correct my wrong previous commit.
9576 2006-06-19 Roger Sayle <roger@eyesopen.com>
9579 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
9580 have stripped a SUBREG from the shift count, so we may need to
9581 convert_to_mode back to the type's mode before calling make_tree.
9582 Use new_amount instead of amount to avoid expanding a tree twice.
9584 2006-06-19 Richard Guenther <rguenther@suse.de>
9587 * fold-const.c (operand_equal_p): Check if the argument types
9588 have the same precision before stripping NOPs.
9590 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
9592 Fix PR tree-optimization/27341
9593 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
9595 * tree-complex.c (pass_lower_complex): Update SMT usage.
9597 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
9599 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
9600 Add a new alternative to the constraint strings. Add move of
9601 operand 1 to 3 to the splitter definition.
9602 ("doloop_si_long"): Second contraint alternative removed.
9604 2006-06-08 Anatoly Sokolov <aesok@post.ru>
9606 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
9607 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
9609 (AVR_HAVE_MOVW) Define.
9610 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
9611 (ASM_SPEC): Add avr25.
9612 (LINK_SPEC): Add avr25.
9613 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
9614 (base_arch_s): Add new member 'have_movw_lpmx'.
9615 (avr_arch_types): Init 'have_movw_lpmx'.
9616 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
9617 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
9618 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
9619 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
9620 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
9622 (avr_file_start): Do not output '.arh' derective.
9623 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
9624 (__do_copy_data): Use __AVR_HAVE_LPMX__.
9625 * config/avr/avr.md (mcu_enhanced): Delete.
9626 (mcu_have_movw): Define.
9627 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
9628 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
9629 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
9630 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
9631 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
9632 attiny861 and at86rf401 devices.
9634 2006-06-18 Jie Zhang <jie.zhang@analog.com>
9636 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
9639 2006-06-17 Karl Berry <karl@gnu.org>
9641 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
9642 doc/gccint.texi, doc/install.texi (@dircategory): Use
9643 "Software development" instead of "Programming", following
9644 the Free Software Directory.
9646 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
9648 * config/i386/i386.c (legitimate_tls_address)
9649 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
9650 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
9651 (*tls_dynamic_gnu2_combine_64): Likewise.
9653 2006-06-16 Richard Guenther <rguenther@suse.de>
9656 * fold-const.c (negate_expr_p): Do not introduce undefined
9657 overflow in negating INTEGER_CSTs.
9658 (fold_negate_expr): Rename from negate_expr. Revert last
9659 change for folding BIT_NOT_EXPR. Change semantics to
9660 return NULL_TREE for non-simplified negations. Do not
9661 strip type conversions and unify type handling.
9662 (negate_expr): New function, wrap around fold_negate_expr
9663 but ensure building a tree always. Strip type conversions
9664 here, fold to result type.
9665 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
9667 2006-06-16 Roger Sayle <roger@eyesopen.com>
9670 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
9671 that (would) return their results in stack registers.
9673 2006-06-16 Michael Matz <matz@suse.de>
9674 Richard Guenther <rguenther@suse.de>
9676 * fold-const.c (fold_truthop): Only return new tree node if
9677 we canonicalized something.
9679 2006-06-16 Richard Guenther <rguenther@suse.de>
9681 * function.h (enum function_frequency): Move declaration
9682 out of struct function.
9683 (struct function): Move bool fields and the enum to the bitfield
9684 section. Reorder elements to avoid padding. Remove unused
9685 fields left over from the RTL inliner removal.
9686 * function.c (free_after_compilation): Do not zero removed fields.
9687 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
9688 (ipa-type-escape.o): Likewise.
9690 2006-06-16 Richard Guenther <rguenther@suse.de>
9692 * cgraph.h (struct cgraph_local_info): Turn bool elements
9694 (struct cgraph_node): Likewise.
9695 (struct cgraph_varpool_node): Likewise.
9697 2006-06-15 Richard Guenther <rguenther@suse.de>
9699 * fold-const.c (fold_truth_not_expr): Rename from
9700 invert_truthvalue. Give it fold_* semantics to avoid
9702 (invert_truthvalue): New function. Wrapper around
9703 fold_truth_not_expr.
9704 (optimize_minmax_comparison): Avoid creating garbage.
9705 (fold_unary): Use fold_truth_not_expr for folding
9707 (fold_ternary): Replace uses of invert_truthvalue with
9708 fold_truth_not_expr where applicable.
9709 * tree.h (fold_truth_not_expr): Prototype.
9711 2006-06-16 Richard Guenther <rguenther@suse.de>
9713 PR tree-optimization/27781
9714 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
9715 * ipa-pure-const.c (target.h): Include.
9716 (analyze_function): Do not analyze functions that do not
9719 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9722 * tree-dfa.c (referenced_vars_dup_list): Remove.
9723 (find_referenced_vars): Remove assert.
9724 (referenced_var_check_and_insert): Replace dup list with assert.
9725 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9726 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9728 2006-06-15 Richard Guenther <rguenther@suse.de>
9730 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9731 extra unused identifiers if not dumping.
9732 (create_variable_info_for): Likewise.
9734 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9736 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9737 (derive_constant_upper_bound): Derive more precise upper bound in
9738 common cases. Return type changed to double_int.
9739 (record_estimate): Reflect the changed return type of
9740 derive_constant_upper_bound.
9741 * double-int.c (double_int_zext, double_int_sext): Fix.
9743 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9745 * configure.ac (CFLAGS): Get them from the toplevel or from the
9746 configure invocation.
9747 * configure: Regenerate.
9748 * Makefile.in (CFLAGS): Substitute value provided by configure.
9750 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9753 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9754 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9755 rather than calling add_stmt on it.
9756 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9758 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9761 * reload1.c (reload): Remove registers returned by update_eliminables
9762 from used_spill_regs.
9764 2006-06-13 DJ Delorie <dj@redhat.com>
9766 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9768 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9770 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9771 html__strip_dir, html__mkdir_p. Enhance install-html target.
9772 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9773 * configure: Regenerate.
9775 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9777 * fold-const.c (fold_cond_expr_with_comparison): Check for
9778 Objective-C++ as language in deciding COND_EXPR transformation.
9780 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9783 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9784 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9785 * config/sh/lib1funcs.h (SL, SL1): Define.
9786 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9787 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9788 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9789 (OBJS_Os_4_200): New variable.
9790 ($(T)libgcc-Os-4-200.a): Use it.
9791 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9792 when dividing 1 and/or by 0.
9794 2006-06-13 Roger Sayle <roger@eyesopen.com>
9796 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9797 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9798 * configure: Regenerate.
9800 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9802 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9803 for real instruction.
9805 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9808 * haifa-sched.c (check_cfg): Handle special case.
9810 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9813 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9814 Add debug_info parameter. Chain the vars to the BLOCK instead
9815 of the BIND_EXPR if debug info are requested for them.
9816 (pop_gimplify_context): Adjust for above change.
9817 (gimple_add_tmp_var): Likewise.
9818 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9820 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9821 (convert_local_reference): Likewise.
9822 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9823 (finalize_nesting_tree_1): Request that debug info be emitted
9824 for debug_var_chain.
9826 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9828 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9829 for PR target/27863.
9831 2006-06-13 Richard Guenther <rguenther@suse.de>
9834 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9836 2006-06-13 Richard Guenther <rguenther@suse.de>
9838 PR tree-optimization/27830
9839 * tree-inline.c (copy_body_r): For copying the operand
9840 of an ADDR_EXPR make sure to fold &* afterwards.
9842 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9844 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9845 lvalues in the fb_none case with side-effects.
9847 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9849 * tree-flow.h: Remove the prototype for
9850 compute_phi_arg_on_exit.
9851 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9852 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9855 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9857 * builtins.c (expand_builtin_return_addr): Only use
9858 frame_pointer_rtx when count == 0 and we are expanding
9859 __builtin_return_address.
9861 2006-06-12 Fred Fish <fnf@specifix.com>
9863 * config/mips/mips.c (mips_file_start): Create special section
9864 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9866 2006-06-11 Eric Christopher <echristo@apple.com>
9869 * stor-layout.c (place_field): Remove check for
9870 remaining_in_alignment when aligning at the end of a run.
9872 2006-06-11 Eric Christopher <echristo@apple.com>
9875 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9878 2006-06-11 Roger Sayle <roger@eyesopen.com>
9881 Revert incorrect fix for PR target/27158
9882 2006-05-08 Roger Sayle <roger@eyesopen.com>
9883 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9884 of a reg_equiv_constant if the result is a legitimate constant.
9886 2006-06-11 Roger Sayle <roger@eyesopen.com>
9889 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9890 extract a CONST_VECTOR element and interpret it as an integer.
9891 (vspltis_constant): Use const_vector_elt_as_int instead of the
9892 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9893 * config/rs6000/predicates.md (easy_vector_const): Consider
9894 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9896 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9899 * stor-layout.c (update_alignment_for_field): Don't add extra
9900 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9903 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9905 * config/mips/t-rtems: Add EL/EB multilib variants.
9907 2006-06-09 Mike Stump <mrs@apple.com>
9909 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9911 2006-06-09 David Daney <ddaney@avtrex.com>
9913 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9915 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9917 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9919 2006-06-09 Richard Guenther <rguenther@suse.de>
9921 PR tree-optimization/26998
9922 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9923 of signed types, only TYPE_MIN_VALUE is special, but for both,
9924 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9925 in this case, as is -fwrapv.
9927 2006-06-08 Mike Stump <mrs@apple.com>
9930 * config/darwin.c (darwin_asm_output_anchor): Disable
9931 -fsection-anchors on darwin for now.
9932 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
9933 * rs6000/rs6000.c (optimization_options): Likewise.
9935 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9938 * config/i386/i386.c (classify_argument): Skip fields with invalid
9941 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
9943 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
9944 (cse_insn): Likewise for the stack_pointer_rtx.
9946 2006-06-08 Roger Sayle <roger@eyesopen.com>
9948 * tree-ssa-dom.c (record_conditions): Only record "unordered"
9949 conditions from floating point comparisons.
9951 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
9954 * expmed.c (struct alg_hash_entry): Fix type of field T
9955 to match synth_mult argument.
9956 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
9958 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9961 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
9964 2006-06-08 Richard Guenther <rguenther@suse.de>
9967 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
9968 only, if overflow is defined and not trapping.
9969 (negate_expr): Likewise.
9971 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9973 PR tree-optimization/27872
9974 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
9975 flag on the new exit edge of the unrolled loop.
9977 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9979 PR rtl-optimization/26449
9980 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
9982 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
9985 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
9986 referenced_variables with matching DECL_UID's.
9987 (find_referenced_vars): Make sure duplicate list is empty to start.
9988 (referenced_var_p): Remove.
9989 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
9990 Check if var is in the list, and add if needed. Update the duplicate
9991 list if a different var is in the list with the same DECL_UID.
9992 (add_referenced_var): Call routine to check and insert.
9993 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
9994 * tree-flow.h (referenced_vars_dup_list): External declaration.
9996 2006-06-07 Fred Fish <fnf@specifix.com>
9998 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
10001 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
10004 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
10005 the imaginary and real parts of a clobbered register.
10006 Emit insn to set the imaginary part.
10008 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
10010 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
10011 in lieu of unwind-dw2-fde.c.
10013 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
10015 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
10017 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
10020 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
10021 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
10022 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
10023 V4SImode temporaries and operations instead.
10025 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
10027 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
10030 2006-06-06 Mike Stump <mrs@apple.com>
10032 * Makefile.in: Rename to htmldir to build_htmldir to avoid
10033 installing during build.
10035 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10037 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
10039 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10040 * config/ia64/ia64.c (params.h): New header.
10041 (ia64_optimization_options): New function to adjust parameters.
10042 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
10043 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
10044 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
10046 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
10048 * stor-layout.c (debug_rli): Fix a typo in a debug message.
10050 2006-06-05 Steve Ellcey <sje@cup.hp.com>
10053 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
10055 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
10056 Victor Kaplansky <victork@il.ibm.com>
10058 PR tree-optimization/26360
10059 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
10062 2006-06-04 Roger Sayle <roger@eyesopen.com>
10063 Andrew Pinski <pinskia@physics.uc.edu>
10065 PR middle-end/27382
10066 * c-common.c (c_common_truthvalue_conversion): Explicitly check
10067 for LABEL_DECL before calling DECL_WEAK.
10070 * c-typeck.c (build_binary_op): Likewise, explicitly check for
10071 LABEL_DECL and PARM_DECL.
10073 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
10077 * c-decl.c (grokdeclarator): Disallow variably modified types at
10078 file scope. Avoid marking shared array type of constant size as
10081 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10084 * c-common.c (fold_offsetof_1): Handle static members.
10086 2006-06-04 Eric Christopher <echristo@apple.com>
10088 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
10089 (debug_rli): Output value for remaining_in_alignment.
10090 (update_alignment_for_field): Unconditionalize
10091 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
10092 extra alignment code.
10093 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
10094 ms_bitfield_layout_p code. Rewrite handling of structure fields.
10095 * tree.h (record_layout_info_s): Remove prev_packed.
10096 * doc/extend.texi (ms_struct): Add documentation of format.
10098 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
10100 * tree.h: Declare folding_initializer.
10101 * builtins.c (fold_builtin_constant_p): Give definite answer
10102 if folding inside an initializer.
10103 * fold-const.c: Define folding_initializer.
10104 (START_FOLD_INIT): Save and then set folding_initializer.
10105 (END_FOLD_INIT): Restore folding_initializer.
10107 2006-06-04 Richard Guenther <rguenther@suse.de>
10109 PR tree-optimization/27039
10110 * fold-const.c (fold_comparison): Handle pointer comparison
10111 again for all comparison codes. Compare offsets in signed
10113 (fold_binary): Move code from here.
10115 2006-06-03 Roger Sayle <roger@eyesopen.com>
10118 * config/i386/i386.c (construct_container): Split static issued_error
10119 flag into issued_sse_arg_error, issued_sse_ret_error and
10120 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
10121 requires the use of x87 registers and the user explicitly
10122 specified the -mno-80387 command line option.
10124 2006-06-02 Geoffrey Keating <geoffk@apple.com>
10126 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
10127 HAVE_DECL_SIGALTSTACK.
10129 (segv_handler): Use MC_FLD.
10130 * configure.ac: Check for a sigaltstack declaration.
10131 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
10132 * configure: Regenerate.
10133 * config.in: Regenerate.
10135 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
10138 * Makefile.in (stmp-fixinc): Fix typo.
10140 2006-06-02 Roger Sayle <roger@eyesopen.com>
10142 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
10143 are type correct. Clean-up.
10144 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
10145 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
10147 2006-06-01 DJ Delorie <dj@redhat.com>
10149 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
10150 shift, as we've disabled the "switch" insn that needs it.
10152 2006-06-01 Per Bothner <bothner@bothner.com>
10154 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
10155 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
10156 * c-ppoutput.c (cb_define): Don't increment line 0.
10158 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
10160 * doc/invoke.texi: Add cpu_type power6.
10161 * config.gcc: Add cpu_type power6.
10162 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
10163 to power5+ with Altivec.
10164 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
10165 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
10167 2006-05-30 Anatoly Sokolov <aesok@post.ru>
10169 * config/avr/avr.h (SET_ASM_OP): Define.
10171 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
10173 * config/bfin/bfin.c: Fix comment typos.
10175 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10178 * doc/install.texi: Document --enable-bootstrap and
10179 --disable-bootstrap.
10181 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10183 * doc/install.texi: Document that InfoZIP can replace jar.
10185 2006-05-31 Roger Sayle <roger@eyesopen.com>
10187 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
10188 isn't available, directly generate the simpler x87 patterns without
10189 the (use (const_int 0)).
10190 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
10191 implementation isn't available.
10192 (*negdf2_1): Likewise.
10193 (*negxf2_1): XF mode negation is always done using the x87.
10194 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
10196 2006-05-31 Roger Sayle <roger@eyesopen.com>
10198 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
10199 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
10201 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
10203 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10205 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
10206 * config/bfin/bfin.c (basic-block.h): Include.
10207 (struct machine_function): New.
10208 (bfin_init_machine_status): New.
10209 (override_options): Initialize init_machine_status.
10210 (bfin_hardware_loop): New.
10211 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
10212 (DEF_VEC_P (loop_info)): New.
10213 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
10214 (struct loop_info): New.
10215 (loop_info): New typedef.
10216 (struct loop_work): New.
10217 (loop_work): New typedef.
10218 (DEF_VEC_O (loop_work)): New.
10219 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
10220 (bfin_dump_loops): New.
10221 (bfin_bb_in_loop): New.
10222 (bfin_scan_loop): New.
10223 (bfin_optimize_loop): New.
10224 (bfin_reorg_loops): New.
10225 (bfin_reorg): Use bfin_reorg_loops.
10226 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
10228 (I_REGNO_P): Simplify.
10229 (DP_REGNO_P, DPREG_P): New macros.
10230 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
10231 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
10232 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
10233 Add LT_REGS, LC_REGS, LB_REGS.
10234 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
10236 (REGNO_REG_CLASS): Deal with loop registers.
10237 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
10239 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
10240 New constants for loop registers.
10241 (UNSPEC_LSETUP_END): New.
10242 (seq_insns): New define_attr. Set it for appropriate insns.
10243 (movsi_insn): Add alternatives for move from/to
10244 loop count registers.
10245 (doloop_end): New define_expand.
10246 (loop_end): New define_insn.
10247 (define_split for bad doloop_end): New.
10248 (lsetup_with_autoinit): New define_insn.
10249 (lsetup_without_autoinit): New define_insn.
10250 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
10251 * config/bfin/predicates.md (lc_register_operand): New.
10252 (lt_register_operand): New.
10253 (lb_register_operand): New.
10254 (nondp_register_operand): New.
10255 (nondp_reg_or_memory_operand): New.
10256 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
10258 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10260 * config/bfin/bfin.c (bfin_delegitimize_address): New.
10261 (TARGET_DELEGITIMIZE_ADDRESS): Define.
10263 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
10265 * Makefile.in (CATALOGS): Add po/ prefix.
10266 * configure: Regenerated.
10268 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
10271 * arm.c (arm_print_operand case 'S'): Validate that the operand is
10272 a shift operand before calling shift_op. Avoid redundant call of
10275 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
10276 DJ Delorie <dj@redhat.com>
10278 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
10279 we're inserting is a singlt-bit constant.
10281 2006-05-30 Roger Sayle <roger@eyesopen.com>
10283 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
10284 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
10286 2006-05-30 Roger Sayle <roger@eyesopen.com>
10288 PR tree-optimization/23452
10289 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
10290 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
10291 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
10292 complex values and with -ffast-math for FP complex values.
10294 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
10296 * c-common.h: Remove the prototype for yyparse.
10297 * rtl.h: Remove the prototype for init_loop.
10299 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
10301 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
10304 2006-05-30 Roger Sayle <roger@eyesopen.com>
10306 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
10308 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
10309 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
10311 2006-05-30 Dirk Mueller <dmueller@suse.de>
10314 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
10315 for CONSTANT_CLASS_P expresisons.
10317 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10320 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
10322 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
10324 PR tree-optimization/27779
10325 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
10326 initial_condition instead of CHREC_LEFT.
10328 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
10330 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
10331 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
10332 Make prototypes ISO C90.
10334 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
10335 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10337 * see.c (see_analyze_one_def): Correct check.
10338 (see_get_extension_data): Check if extension is parallel.
10339 (see_get_extension_reg): Likewise.
10341 2006-05-30 Uros Bizjak <uros@kss-loka.si>
10344 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
10345 into register for (code == GTU).
10347 2006-05-29 Roger Sayle <roger@eyesopen.com>
10349 PR tree-optimization/24964
10350 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
10351 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
10352 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
10353 abs(x)*abs(x) as x*x for scalar floating point modes.
10355 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
10357 PR middle-end/27745
10358 * lambda-code.c (perfect_nestify): Don't copy statements
10359 in the inner loop: move them to the inner loop header.
10361 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10364 * c-tree.texi: Document OpenMP directives and clauses.
10366 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10368 * varasm.c (globalize_decl): Fix indentation.
10370 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10373 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
10374 pass_fre, pass_store_ccp, pass_copy_prop,
10375 pass_store_copy_prop, pass_merge_phi, pass_nrv,
10376 pass_return_slot, pass_object_size, pass_lim,
10377 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
10378 pass_loop_prefetch and pass_stdarg.
10380 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
10382 * config/bfin/bfin.opt (mfdpic): New option.
10383 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
10384 (EXTRA_MULTILIB_PARTS): Likewise.
10385 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
10386 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
10388 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
10389 (CRT_CALL_STATIC_FUNCTION): New.
10390 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
10392 (CRT_CALL_STATIC_FUNCTION): New.
10393 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
10395 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
10396 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
10397 (initialize_trampoline): Changed to handle FD-PIC code generation.
10398 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
10399 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
10400 (override_options): Disallow -mid-shared-library -mfdpic combination.
10401 Can't do unaligned ops if FD-PIC.
10402 Turn off flag_pic if trying to generate non-id-shared-library
10403 non-fdpic code, since it's not supported.
10404 (bfin_assemble_integer): New function.
10405 (TARGET_ASM_INTEGER): Define.
10406 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
10408 * config/bfin/crtn.s: Restore them.
10409 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
10411 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
10412 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
10413 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
10414 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
10415 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
10417 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
10418 FDPIC_REGS and FDPIC_FPTR_REGS.
10419 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
10420 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
10421 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
10422 (load_funcdescsi): New pattern.
10423 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
10424 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
10425 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
10427 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10429 * gcse.c, rtlanal.c: Remove obsolete comments associated with
10432 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
10434 * tree-flow.h: Remove the prototype for add_type_alias.
10435 * tree-ssa-alias.c (add_type_alias): Remove.
10437 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
10439 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
10440 config/fr30/fr30.md, config/i386/i386-interix.h,
10441 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
10442 config/sh/superh64.h, config/v850/v850.c, df-core.c,
10443 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
10444 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
10445 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
10446 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
10447 Follow spelling conventions.
10448 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
10449 Follow spelling conventions.
10451 2006-05-27 Richard Guenther <rguenther@suse.de>
10453 PR middle-end/27773
10454 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
10455 to produce a constant of value 1 of generic type.
10457 2006-05-27 Dirk Mueller <dmueller@suse.de>
10459 * cgraphunit.c (decide_is_function_needed): Fix wrong
10462 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
10464 PR rtl-optimization/27661
10465 * reload.c (find_reloads): When reloading a VOIDmode constant
10466 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
10467 use Pmode as mode of the reload register.
10469 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
10471 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
10472 is enabled at -O and above.
10474 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
10477 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
10480 2006-05-25 Mark Mitchell <mark@codesourcery.com>
10483 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
10484 for anonymous variables explicitly declared by front ends.
10486 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10488 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
10489 (struct alias_info): Add new field ref_all_symbol_mem_tag.
10490 * tree-ssa-alias.c (compute_may_aliases): If the program contains
10491 ref-all pointers, run a finalization pass for them.
10492 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
10493 (finalize_ref_all_pointers): New function.
10494 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
10495 regular pointer type to a ref-all pointer type.
10496 (get_tmt_for): Return the special memory tag for ref-all pointers.
10498 2006-05-25 Richard Guenther <rguenther@suse.de>
10500 PR middle-end/27743
10501 * fold-const.c (fold_binary): Do not look at the stripped
10502 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
10504 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10506 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
10507 for LT and GT if the computed range is effectively empty.
10509 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10512 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
10513 mips_quad_format formats instead of ieee_single_format,
10514 ieee_double_format and ieee_quad_format formats, respectively.
10516 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
10518 PR tree-optimization/27639
10519 PR tree-optimization/26719
10520 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
10521 call to scev_probably_wraps_p.
10522 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
10523 used_in_pointer_arithmetic_p, convert_step): Removed.
10524 (nowrap_type_p): New function.
10525 (scev_probably_wraps_p): Rewritten.
10526 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
10527 chrec_convert if chrec_convert_aggressive might have been used.
10528 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
10529 scev_direction): New functions.
10530 (chrec_convert): Changed to a wrapper over chrec_convert_1.
10531 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
10532 instead of convert_step.
10533 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
10534 (convert_step): Declaration removed.
10535 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
10537 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
10539 * df-core.c: Added to header comments.
10540 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
10541 df_ur_bb_info, df_urec_bb_info): Added comments.
10542 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
10543 urec, ri problems): Fixed header comments.
10544 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
10545 code from df_rd_transfer_function.
10547 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10549 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
10550 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
10551 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
10553 2006-05-23 Joseph Myers <joseph@codesourcery.com>
10555 * expr.c (undefined_operand_subword_p): New.
10556 (emit_move_multi_word): Do not generate move from undefined bits
10557 of a paradoxical subreg.
10559 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10561 PR rtl-optimization/27736
10562 * combine.c (replaced_rhs_value): New variable.
10563 (combine_instructions): Set it.
10564 (distribute_notes): When distributing a note in replaced_rhs_insn,
10565 check whether the value was used in replaced_rhs_value.
10567 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
10570 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
10571 add_referenced_var instead of add_referenced_tmp_var.
10572 * tree-complex.c (create_one_component_var): Use add_referenced_var.
10573 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
10574 add_referenced_var.
10575 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
10576 tree_optimize_tail_calls_1): Use add_referenced_var.
10577 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
10578 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
10579 Use add_referenced_var.
10580 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
10581 * gimplify.c (force_gimple_operand): Use add_referenced_var.
10582 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
10583 Use add_referenced_var.
10584 * tree-dfa.c (struct walk_state): Remove.
10585 (find_referenced_vars): Remove walk state and vars_found hash table.
10586 (make_rename_temp): Use add_referenced_var.
10587 (find_vars_r): Pass less parameters to add_referenced_var.
10588 (referenced_var_p): New. Is var in referenced_var hash table.
10589 (referenced_var_insert): Assert var isn't already in hash table.
10590 (add_referenced_var): Don't need walk_state parameter. Add var if it
10591 isn't already in the hash table.
10592 (add_referenced_tmp_var): Remove.
10593 (find_new_referenced_vars_1): Use add_referenced_var.
10594 * tree-ssa-pre.c (create_expression_by_pieces,
10595 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
10596 Use add_referenced_var.
10597 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
10598 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
10599 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
10600 add_referenced_var.
10601 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10602 vect_create_data_ref_ptr, vect_create_destination_var,
10603 vect_init_vector, vect_build_loop_niters,
10604 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
10605 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
10606 Use add_referenced_var.
10607 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
10608 * tree-flow.h (add_referenced_tmp_var): Remove prototype
10609 (add_referenced_var): Add prototype.
10610 * tree-ssa-structalias.c (get_constraint_for,
10611 intra_create_variable_infos): Use add_referenced_var.
10613 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
10615 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
10616 big-endian paradoxical subregs.
10617 * var-tracking.c (struct micro_operation_def): Document that,
10618 for modify micro operations, insn is the subsequent instruction.
10619 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
10620 (var_reg_set, var_mem_set): ... new functions.
10621 (add_stores): Record subsequent insn.
10622 (compute_bb_dataflow): Use new functions for MO_USE.
10623 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
10624 notes after the insn, and modify notes before the insn known
10625 to be the subsequent one.
10626 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
10628 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
10631 * config/i386/i386.c (ix86_expand_builtin): Use
10632 gen_sse3_monitor64 for TARGET_64BIT.
10634 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
10636 PR rtl-optimization/26375
10637 PR rtl-optimization/26855
10638 * df-problems (df_ru_bb_local_compute_process_def): Removed update
10640 (df_ru_bb_local_compute): Reversed statements and removed bogus
10641 comment explaining why they should be in wrong order.
10642 (df_ru_dump, df_rd_dump): Enhanced debug info.
10643 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
10645 * ddg.c (add_deps_for_def): Converted use of reaching defs to
10646 reaching uses and fixed space problem.
10648 2006-05-23 Jan Hubicka <jh@suse.cz>
10650 * cgraphunit.c (decide_is_function_needed): Also nested functions
10651 and functions declared inline can be optimized out at -O0.
10653 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
10655 * doc/install.texi (Configuration): Remove reference to CrossGCC
10656 FAQ which was gone.
10659 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10662 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
10663 ix86_compare_emitted is non-NULL.
10665 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10668 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
10671 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10673 PR rtl-optimization/25514
10674 * combine.c (replaced_rhs_insn): New variable.
10675 (combine_instructions): Set replaced_rhs_insn when trying to replace
10676 a SET_SRC with a REG_EQUAL note.
10677 (distribute_notes): Use replaced_rhs_insn when determining the live
10678 range of a REG_DEAD register.
10680 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
10681 Anatoly Sokolov <aesok@post.ru>
10683 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
10684 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
10685 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
10686 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
10687 atmega3290, atmega649, atmega6490, atmega406, atmega640,
10688 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
10689 at90usb647, at90usb1286 and at90usb1287 devices.
10690 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10691 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10693 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10695 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
10697 2006-05-22 Richard Guenther <rguenther@suse.de>
10700 2006-01-31 Richard Guenther <rguenther@suse.de>
10701 Paolo Bonzini <bonzini@gnu.org>
10703 * doc/install.texi (--disable-libgcc-math): Document.
10705 2006-05-22 Richard Guenther <rguenther@suse.de>
10708 2006-01-31 Richard Guenther <rguenther@suse.de>
10710 * doc/invoke.texi (-msselibm): Document.
10711 * target.h (expand_library_builtin): New target hook.
10712 * builtins.c (expand_builtin): Use expand_library_builtin.
10713 (default_expand_library_builtin): New function.
10714 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10715 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10716 (link_gcc_math_spec): Declare.
10717 (static_specs): Add link_gcc_math_spec.
10718 * expr.h (default_expand_library_builtin): Declare.
10719 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10720 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10721 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10722 * config/i386/i386.opt (msselibm): New target option.
10723 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10724 (ix86_init_sse_abi_builtins): New function.
10725 (ix86_expand_library_builtin): Likewise.
10726 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10727 (override_options): Handle error conditions wrt -msselibm.
10728 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10729 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10730 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10733 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10736 * c-common.c (self_promoting_args_p): Skip erroneous args.
10739 * c-decl.c (finish_struct): Skip erroneous fields.
10741 2006-05-22 Nick Clifton <nickc@redhat.com>
10743 * config/cris/cris.opt (march): Remove VarExists attribute.
10744 (max-stackframe=): Likewise.
10746 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10748 * doc/rtl.texi: Fix a typo.
10749 * see.c: Fix comment typos.
10751 * tree-ssa-structalias.h (alias_info): Remove num_references.
10753 2006-05-21 Mike Stump <mrs@apple.com>
10755 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10757 (darwin_pragma_options): Use BAD instead.
10758 (darwin_pragma_unused): Likewise.
10759 (darwin_pragma_ms_struct): Likewise.
10761 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10763 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10765 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10767 PR rtl-optimization/27671
10768 * simplify-rtx.c (simplify_relational_operation_1): Fix
10769 simplifications of (eq/ne (xor x y) y) and
10770 (eq/ne (xor x y) x).
10772 PR tree-optimization/26622.
10773 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10776 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10778 * tree-cfg.c: Prune whitespace.
10779 (debug_tree_cfg): Point to correct header containing the
10782 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10784 PR middle-end/25776
10785 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10787 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10789 PR middle-end/25776
10790 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10791 or sorry count is non zero.
10793 2006-05-20 Andreas Schwab <schwab@suse.de>
10795 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10797 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10798 Kenneth Zadeck <zadeck@naturalbridge.com>
10800 PR rtl-optimization/26855
10802 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10804 (df_scan_alloc): Added code to properly handle multiword hard
10805 registers and add all_blocks parameter.
10806 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10807 code to properly handle multiword hard registers.
10808 (df_rescan_blocks): Added code to remove deleted blocks from
10810 (df_ref_create_structure, df_ref_record): Added code to properly
10812 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10813 and set DF_REF_PARTIAL.
10814 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10815 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10816 (df_scan_add_problem): Added flags parameter.
10817 (df_ref_create_structure): Changed switching structure.
10818 (df_bb_refs_record): Fixed case where duplicate artificial refs
10819 were created. Changed location of flags.
10820 (df_record_entry_block_defs): Added code to make stack pointer
10821 live in entry block. Refined cases where frame pointer is needed.
10822 Changed location of flags.
10823 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10824 (df_set_state): Removed function.
10825 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10826 df_insn_create_insn_record, df_insn_refs_delete,
10827 df_ref_create_structure): Formatting changes.
10828 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10829 df_delete_basic_block): New function.
10830 (df_init): Changed location of flags.
10831 (df_add_problem): Added flags parameter and the way flags are
10833 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10834 debug_df_chain): Improved debugging output.
10835 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10836 (df_refs_chain_dump): Removed df parameter.
10837 (df_iterative_dataflow): Added consistency check.
10838 (df_prune_to_subcfg): Made public.
10839 (df_analyze_problem): Added blocks_to_init parameter and made
10841 (df_ref_record, df_bb_refs_record, df_mark_reg,
10842 df_record_exit_block_uses): Whitespace changes.
10843 (df_dump): Whitespace changes.
10844 * df.h: Some reordering to remove forward references.
10845 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10846 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10847 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10848 (dataflow.flags): New field.
10849 (df.flag): Deleted field.
10850 (df_alloc_function): Added additional bitmap parameter.
10851 (df_dependent_problem_function): New type.
10852 (df_problem.changeable_flags): New field.
10853 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10854 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10855 (df_mw_hardreg): New struct.
10856 (DF_INSN_UID_MWS): New macro.
10857 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10859 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10860 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10861 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10862 (df_set_state): Removed function.
10863 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10864 * df-problems.c (df_chain_dump): Removed df parameter.
10865 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10866 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10868 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10869 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10870 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10871 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10872 DF_REF_MUST_CLOBBER cases.
10873 (df_ru_bb_local_compute_process_def,
10874 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10875 df_lr_bb_local_compute, df_ur_bb_local_compute,
10876 df_chain_create_bb): Made subreg aware.
10877 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10878 df_lr_bb_local_compute, df_lr_bb_local_compute,
10879 df_chain_create_bb): Cleanup to use proper macros.
10880 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10881 code to fixup bitvectors.
10882 (df_ri_alloc): Cleared lifetime.
10883 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10884 df_create_unused_note): New function.
10885 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10886 REG_DEAD and REG_UNUSED notes as well as register information.
10887 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10888 df_chains_dump): Fixed crash if problem was never run.
10889 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10890 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10891 df_ri_add_problem): Processes flags in uniform manner.
10892 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10893 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10894 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10895 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10896 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10897 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10898 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10899 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10900 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10901 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10902 * see.c (see_initialize_data): Ditto.
10903 * final.c (rest_of_clean_state) Added regstack_completed.
10904 * rtl.h (regstack_completed): Ditto.
10905 * reg-stack.c (regstack_completed): Ditto.
10907 2006-05-19 Mike Stump <mrs@apple.com>
10909 * c-tree.h (default_conversion): Remove.
10910 * c-common.h (default_conversion): Add.
10912 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10914 * tree-vrp.c (valid_value_p): New function.
10915 (adjust_range_with_scev): Fail if the value of bound is not
10918 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10920 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10921 (mips_fallback_frame_state): Use syscall numbers to determine
10922 the appropriate li instruction for the current ABI. Only use
10923 __NR_sigreturn for o32.
10925 2006-05-19 Nicolas Setton <setton@adacore.com>
10927 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10928 * langhooks.c (lhd_dwarf_name): New function.
10929 * langhooks-def.h (lhd_dwarf_name): Declare.
10930 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
10931 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
10933 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10935 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
10937 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
10938 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
10939 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
10940 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
10941 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
10942 determine the size of Wtype, etc.
10943 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
10944 (swfloatfuncs): New variable.
10945 (dwfloatfuncs): Likewise.
10946 (lib2funcs): Remove floating-point conversion functions from
10947 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
10948 the set of conversion routines needed. Allow entries to specify
10949 an object name, filename and word size. Update users accordingly.
10950 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
10951 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
10955 2006-02-08 Roger Sayle <roger@eyesopen.com>
10958 * config/fixtfdi.c: New libgcc source file.
10959 * config/fixunstfdi.c: New source file.
10960 * config/floatditf.c: New source file.
10961 * config/floatunditf.c: New souce file.
10962 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10963 files above instead of config/mips/_tilib.c.
10964 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10966 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10968 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
10969 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
10971 2006-05-18 Mike Stump <mrs@apple.com>
10973 Fix up vla, vm and [*] sematics.
10979 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
10980 (c_vla_unspec_p): Add.
10981 (c_vla_type_p): Add.
10982 * c-decl.c (struct c_scope): Add had_vla_unspec.
10983 (build_array_declarator): Add support for [*].
10984 (grokdeclarator): Likewise.
10985 (grokparms): Likewise.
10986 (get_parm_info): Likewise.
10987 * c-objc-common.c (c_vla_unspec_p): Likewise.
10988 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
10989 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
10990 typeof when argument is a variably modified type not inside sizeof or alignof.
10991 (c_parser_direct_declarator_inner): Propagate errors.
10992 (c_parser_sizeof_expression): Add support for [*].
10993 (c_parser_parms_declarator): Initialize had_vla_unspec.
10994 (c_parser_parms_list_declarator): Likewise.
10995 * c-typeck.c (c_vla_type_p): Add.
10996 (composite_type): Add support for vla compositing.
10997 (comptypes_internal): Add support for vla compatibility.
10998 (c_expr_sizeof_expr): Evaluate vla arguments.
10999 * tree.c (variably_modified_type_p): Update comment for [*].
11001 2006-05-18 Michael Matz <matz@suse.de>
11004 * config.host: Make assignments to host_xmake_file cumulative.
11005 * config.host (*-darwin*): Test $host, not $target.
11007 2006-05-12 Stuart Hastings <stuart@apple.com>
11009 * config/i386/i386.opt (-mstackrealign): New flag.
11010 * config/i386/i386.c (force_align_arg_pointer): New attribute.
11011 (ix86_handle_cconv_attribute): Emit error when
11012 force_align_arg_pointer attribute collides with too many regparms.
11013 (ix86_function_regparm): Limit regparms when used with
11014 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
11015 Support stack-realigning prologue in non-main functions. Emit
11016 warning for nested functions under -mstackrealign, emit error for
11017 nested functions with force_align_arg_pointer attribute.
11018 * doc/extend.texi (force_align_arg_pointer): Document it.
11019 * doc/invoke.texi (-mstackrealign): Document it.
11021 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
11023 PR rtl-optimization/27477
11024 * combine.c (try_combine): Don't split a parallel consisting
11025 of two sets into two individual sets if both sets reference
11028 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
11030 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
11031 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
11033 * doc/options.texi (VarExists): Updated.
11035 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11037 * unwind-dw2.c: Add declarations for uw_update_context and
11038 uw_frame_state_for.
11039 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
11040 detected, advance frame state and context once to skip over stub.
11042 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11044 PR middle-end/20256
11045 PR middle-end/26435
11046 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
11047 Call rewrite_into_loop_closed_ssa only when something changed.
11048 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
11049 * lambda-code.c (can_convert_to_perfect_nest): Declared.
11050 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
11051 Test for perfect_nest_p here. Fix formating.
11052 (replace_uses_equiv_to_x_with_y): Fix formating.
11053 (stmt_uses_op): Removed.
11054 (can_convert_to_perfect_nest): Removed loopivs parameter.
11055 Complete the test by checking the scalar dependences.
11056 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
11059 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11062 From Dan Kegel <dank@kegel.com>:
11063 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
11065 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
11067 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
11068 if the element type is variably modified without recursing.
11070 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
11072 PR middle-end/27332
11073 * tree-loop-linear.c (try_interchange_loops): Test for
11074 no data dependences.
11076 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
11078 PR tree-optimization/27548
11079 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
11080 range of ssa names that appear on abnormal edges.
11081 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
11082 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
11084 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
11086 PR middle-end/27620
11087 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
11089 2006-05-17 Jakub Jelinek <jakub@redhat.com>
11091 PR middle-end/27415
11092 * tree.h (OMP_PARALLEL_COMBINED): Define.
11093 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
11094 (new_omp_context): Add is_combined_parallel argument.
11095 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
11096 new_omp_context caller.
11097 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
11098 Adjust gimplify_scan_omp_clauses callers.
11099 (omp_is_private): Issue errors if iteration variable is firstprivate
11100 or reduction in the current context.
11101 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
11102 on combined parallel workshare constructs.
11104 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11106 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
11107 (gcc-options.o): New rule.
11109 * optc-gen.awk: Protect variables for gcc-options.o with
11110 #ifdef GCC_DRIVER/#endif.
11112 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
11114 Fix PR tree-optimization/27373
11115 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
11116 (forward_propagate_addr_expr): Update call.
11118 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11120 * doc/options.texi: Move the Negative option.
11122 2006-05-16 Richard Guenther <rguenther@suse.de>
11124 PR tree-optimization/22303
11125 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
11127 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
11128 ccp_fold did not simplify the statement.
11130 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11133 * Makefile.in (GCC_OBJS): New.
11134 (OBJS-common): Add opts-common.o.
11135 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
11136 (cpp$(exeext)): Likewise.
11137 (gcc.o): Also depend on opts.h.
11138 (opts-common.o): New.
11140 * common.opt (gcoff): Add Negative(gdwarf-2).
11141 (gdwarf-2): Add Negative(gstabs).
11142 (gstabs): Add Negative(gstabs+).
11143 (gstabs+): Add Negative(gvms).
11144 (gvms): Add Negative(gxcoff).
11145 (gxcoff): Add Negative(gxcoff+).
11146 (gxcoff+): Add Negative(gcoff).
11147 * config/i386/i386.opt (m32): Add Negative(m64).
11148 (m64): Add Negative(m32).
11150 * doc/options.texi: Document the Negative option.
11152 * gcc.c: Include "opts.h".
11153 (main): Call prune_options after expandargv.
11155 * optc-gen.awk: Generate common declarations for all flag
11156 variables in options.c. Output the neg_index field.
11158 * opts.c (find_opt): Moved to ...
11159 * opts-common.c: Here. New file.
11161 * opts.h (cl_option): Add a neg_index field.
11163 (prune_options): Likewise.
11165 2006-05-16 Jakub Jelinek <jakub@redhat.com>
11167 PR middle-end/27573
11168 * omp-low.c (expand_omp_parallel): Don't assert
11169 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
11170 instead search for it.
11173 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
11176 2006-05-16 Andreas Schwab <schwab@suse.de>
11178 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
11181 2006-05-15 Roger Sayle <roger@eyesopen.com>
11184 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
11185 integer constants other than zero are only legitimate on TARGET_64BIT.
11186 <CONST_VECTOR> Only zero vectors are legitimate.
11187 (ix86_cannot_force_const_mem): Integral and vector constants can
11188 always be put in the constant pool.
11190 2006-05-16 DJ Delorie <dj@redhat.com>
11192 * crtstuff.c (__dso_handle): Set section from
11193 TARGET_LBIGCC_SDATA_SECTION if defined.
11194 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
11195 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
11197 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
11200 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
11203 2006-05-16 Ben Elliston <bje@au.ibm.com>
11205 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
11207 2006-05-15 Per Bothner <per@bothner.com>
11209 * tree.c: (last_annotated_node): Use source_locus typedef.
11210 This permits bootstrapping with --enable-mapped-location.
11212 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
11214 PR tree-optimization/26830
11215 * tree-into-ssa.c (struct ssa_name_info): Add age field.
11216 (info_for_ssa_name, current_info_for_ssa_name_age,
11217 blocks_to_update): New variables.
11218 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
11219 (clear_ssa_name_info, initialize_flags_in_bb,
11220 mark_block_for_update): New functions.
11221 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
11222 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
11223 prepare_def_site_for): Use mark_block_for_update.
11224 (mark_def_interesting): Assert that the processed block is marked in
11225 blocks_to_update. Do not take blocks argument.
11226 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
11228 (rewrite_update_init_block, rewrite_update_stmt): Only process
11229 blocks with statements to rewrite.
11230 (delete_update_ssa): Do not clear SSA_NAME_AUX.
11231 (update_ssa): Initialize and free blocks_to_update. Do not
11232 clear flags on statements. Do not use blocks bitmap.
11233 * tree.h (SSA_NAME_AUX): Removed.
11234 (struct tree_ssa_name): Removed aux field.
11235 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
11237 2006-05-15 Richard Guenther <rguenther@suse.de>
11239 PR tree-optimization/27603
11240 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
11241 Do computations in original type.
11243 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
11245 * see.c: Code style changes such as redundant paranthesis,
11246 redundant intialization of local variables etc.
11247 (see_main): Declared now as static.
11248 * doc/invoke.texi: Update that -fsee is not enabled by
11251 2006-05-15 Jakub Jelinek <jakub@redhat.com>
11253 * omp-low.c (check_omp_nesting_restrictions): New function.
11254 (scan_omp_1): Call it.
11256 PR middle-end/27416
11257 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
11258 construct, return *VAR.
11260 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
11262 PR rtl-optimization/27406
11263 * bt-load.c (migrate_btr_def): Skip the block having abnormal
11266 2006-05-14 Roger Sayle <roger@eyesopen.com>
11268 PR rtl-optimization/27538
11269 * combine.c (expand_compound_operation): Call gen_lowpart
11270 before calling simplify_shift_const.
11272 2006-05-14 Roger Sayle <roger@eyesopen.com>
11274 PR rtl-optimization/22563
11275 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
11276 a fixed width bitfield, always force the intermediates into psuedos.
11278 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
11281 * mkconfig.sh: Use operator = instead of == for test.
11283 2006-05-13 Nick Clifton <nickc@redhat.com>
11285 * dwarf2out.c (dbx_reg_number): Check return value from
11286 LEAF_REG_REMAP and only use it if it is valid.
11287 (multiple_reg_loc_descriptor): Likewise.
11289 2006-05-13 Richard Guenther <rguenther@suse.de>
11291 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
11294 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
11296 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
11297 information attached to non-INSNs such as NOTEs.
11298 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
11300 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
11302 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
11304 * config/s390/s390.md: Adjust comment describing On constraint.
11306 2006-05-11 Jan Hubicka <jh@suse.cz>
11308 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
11309 to be output at -O0.
11311 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11313 PR middle-end/27384
11314 * fold-const.c (size_binop): Move sanity check for arguments to
11315 the beginning of the function.
11317 PR middle-end/27488
11318 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
11321 2006-05-11 Richard Guenther <rguenther@suse.de>
11323 PR middle-end/27529
11324 * fold-const.c (fold_unary): Handle intermediate conversion
11325 to a pointer type like intermediate conversion to an integer
11326 type in folding of (T1)(T2)var to var.
11327 Match the code to the comment in the final conversion for
11328 (T1)(T2)var to (T1)var regarding to type precision. Rather
11329 than disallow T1 being of pointer type, assert that both T1
11330 and var are of pointer type or not. Make sure not to fall
11331 over the frontends lazyness wrt array to pointer decay though.
11333 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
11335 * arm.c (arm_struct_value_rtx): Delete.
11336 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
11337 (arm_init_cumulative_args): Always initialize nregs to zero.
11339 2006-05-10 Richard Guenther <rguenther@suse.de>
11341 PR tree-optimization/27532
11342 * tree-object-size.c (plus_expr_object_size): Fix typo.
11344 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
11347 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
11348 ashrdi_const, ashrdi3): Use a scratch register.
11350 2006-05-10 Richard Guenther <rguenther@suse.de>
11352 PR tree-optimization/27302
11353 * fold-const.c (operand_equal_p): For two comparisons,
11354 try comparison of one comparison code swapped if that yields
11357 2006-05-10 Ben Elliston <bje@au.ibm.com>
11359 * tree-pretty-print.c (pretty_print_string): No need to handle
11360 '\0' as a special character.
11362 * tree.h: Include "hashtab.h".
11363 (iterative_hash_expr): Use hashval_t in its prototype.
11364 * Makefile.in (TREE_H): Add $(HASHTAB_H).
11366 2006-05-09 Steve Ellcey <sje@cup.hp.com>
11369 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
11370 (hppa*64*-*-hpux11*): Ditto.
11371 (hppa[12]*-*-hpux11*): Ditto.
11373 2006-05-09 David Edelsohn <edelsohn@gnu.org>
11376 * config/rs6000/aix41.h (TARGET_64BIT): Define.
11378 2006-05-09 Michael Matz <matz@suse.de>
11380 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
11381 host_extra_gcc_objs and host_xmake_file.
11382 (<*-*-linux*>): Don't overwrite host_xmake_file.
11383 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
11384 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
11385 (host_detect_local_cpu): Declare.
11386 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
11387 * config/i386/i386.c (override_options): Handle -mtune=native
11389 * config/i386/x-i386: New file.
11390 * config/i386/driver-i386.c: New file.
11391 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
11394 2006-05-09 Dirk Mueller <dmueller@suse.de>
11395 Richard Guenther <rguenther@suse.de>
11397 PR middle-end/27498
11398 * fold-const.c (fold_read_from_constant_string): Relax check
11399 for matching types to matching modes.
11401 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
11403 PR rtl-optimization/27335
11404 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
11407 2006-05-08 Chao-ying Fu <fu@mips.com>
11408 Richard Sandiford <richard@codesourcery.com>
11410 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
11411 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
11412 * config/mips/mips.md (UNSPEC_SCC): New constant.
11413 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
11414 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
11415 (mips_emit_compare): Use it.
11416 (mips_expand_vcondv2sf): New function.
11418 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
11420 Fix PR tree-optimization/27093
11421 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
11422 renaming when they become not-used_alone.
11424 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11426 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
11427 relocation and relocation stubs.
11429 2006-05-08 Eric Christopher <echristo@apple.com>
11431 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
11434 2006-05-08 Jan Hubicka <jh@suse.cz>
11436 PR middle-end/24561
11437 * cgraphunit.c (decide_is_function_needed): When not optimizing even
11438 unused static functions are needed.
11440 2006-05-08 Roger Sayle <roger@eyesopen.com>
11443 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11444 of a reg_equiv_constant if the result is a legitimate constant.
11446 2006-05-08 Uros Bizjak <uros@kss-loka.si>
11449 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
11450 standard 80387 constants, raise the cost to prevent
11451 compress_float_constant() to generate load from memory.
11453 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
11455 * config/arm/constraints.md (c): Fix a typo.
11457 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
11460 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
11463 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
11465 (_mm_mwait): Likewise.
11467 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
11469 (sse3_monitor): Make it 32bit only.
11470 (sse3_monitor64): New. 64bit monitor.
11472 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11475 * config/i386/i386.c (classify_argument): Skip fields with invalid
11478 2006-05-07 Richard Guenther <rguenther@suse.de>
11480 PR tree-optimization/27409
11481 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11482 Do not try to find zero-sized subvars.
11484 2006-05-07 Richard Guenther <rguenther@suse.de>
11486 PR tree-optimization/27136
11487 * tree-ssa-loop-niter.c (get_val_for): Correct function
11488 comment, assert requirements.
11489 (loop_niter_by_eval): Stop processing if the iterated
11490 value did not simplify.
11492 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
11494 * opts.c (flag_see): remove its setting at -O3.
11496 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
11498 * genpeep.c (main): Make insn-peep.c depend on flags.h.
11499 * arm/constraints.md: New file.
11500 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
11501 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
11502 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
11503 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
11504 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
11505 (EXTRA_MEMORY_CONSTRAINT): Likewise.
11506 * arm.md: Include constraints.md.
11507 (thumb_movsi_insn): Use satisfies_constraint_J.
11508 (movhi, movqi): Use satisfies_constraint_I.
11510 2006-04-29 Anatoly Sokolov <aesok@post.ru>
11512 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
11513 for atmeg a645 device.
11515 2006-05-06 Richard Guenther <rguenther@suse.de>
11517 PR tree-optimization/27151
11518 * tree-vect-transform.c (vectorizable_condition): Punt on
11519 values that have a different type than the condition.
11521 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
11524 * c-parser.c (c_parser_cast_expression): Only insert casts into
11525 hash table if pointer.
11526 * function.c (used_types_insert_helper): Rename from
11528 (used_types_insert): Call used_types_insert_helper.
11529 * function.h (used_types_insert): Accept only one argument.
11531 2006-05-05 David Edelsohn <edesohn@gnu.org>
11533 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
11534 scratch with output modifier.
11536 2006-05-04 David Edelsohn <edelsohn@gnu.org>
11539 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
11540 with output modifier.
11542 2006-05-04 Richard Sandiford <richard@codesourcery.com>
11545 * config/mips/mips.c (mips_symbolic_address_p): Return true
11546 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
11547 SYMBOL_GOTTPREL, and SYMBOL_TLS.
11549 2006-05-04 Richard Guenther <rguenther@suse.de>
11551 PR tree-optimization/14287
11552 PR tree-optimization/14844
11553 PR tree-optimization/19792
11554 PR tree-optimization/21608
11555 PR tree-optimization/27090
11556 * tree-ssa-pre.c (try_combine_conversion): New function.
11557 (compute_avail): After constructing the value-handle
11558 expression, use try_combine_conversion to combine NOP_EXPRs
11559 with previous value-handle expressions and use the result if it
11562 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
11564 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
11566 2006-05-04 Jan Hubicka <jh@suse.cz>
11568 PR middle-end/25962
11569 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
11571 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
11573 * config/bfin/predicates.md (const01_rtx): Tell generator programs
11574 that this only matches CONST_INTs. All users changed to VOIDmode
11577 * config/bfin/bfin.c: Include "optabs.h".
11578 (bfin_rtx_costs): Some costs for vector operations, to allow combine
11580 (enum bfin_builtins): Add a number of fractional and vector builtins.
11581 (bfin_init_builtins): Likewise.
11582 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
11583 (safe_vector_operand, bfin_expand_binop_builtin,
11584 bfin_expand_unop_builtin): New functions.
11585 (bfin_expand_builtin): Handle the new builtins.
11586 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11589 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
11592 * Makefile.in (OBJS-common): Add see.o.
11593 (see.o): Add dependencies.
11594 * common.opt (fsee): New flag for the see optimization was added.
11595 * opts.c (flag_see): Initialized.
11596 * passes.c (init_optimization_passes, pass_see): New pass.
11597 * rtl.h (see_main): Declaration as extern.
11598 * timevar.def (TV_SEE): New.
11599 * tree-pass.h (pass_see): Declaration as extern.
11600 * invoke.texi (-fsee): Document.
11601 * recog.c (validate_simplify_insn): New function.
11602 * recog.h (validate_simplify_insn): Declaration as extern.
11603 * df-problems.c (df_chain_dump): Check for NULL.
11605 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
11606 Daniel Berlin <dberlin@dberlin.org>
11608 * cfgrtl.c (insert_insn_bb_end_new): New function.
11609 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
11611 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11613 * df.h (struct web_entry): Moved from web.c.
11614 (union_defs): Declaration as extern.
11615 (unionfind_root): Likewise.
11616 (unionfind_union): Likewise.
11617 * web.c (struct web_entry): Moved to df.h.
11618 (unionfind_root): Remove static declaration.
11619 (unionfind_union): Likewise.
11620 (union_defs): Likewise and generalize to use callback function.
11621 (web_main): Update arguments for union_defs function call.
11623 2006-05-04 Richard Guenther <rguenther@suse.de>
11625 PR tree-optimization/26447
11626 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
11627 produce SSA_NAME copies before the store stmt to avoid
11628 breaking exception handling.
11630 2006-05-04 Jakub Jelinek <jakub@redhat.com>
11632 PR middle-end/27388
11633 * gimplify.c (omp_is_private): If var is shared in some outer context,
11634 return false instead of true. Stop searching on parallel context
11637 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
11640 * coverage.c: Use get_gcov_unsigned_t() instead of
11641 unsigned_type_node all over.
11643 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
11645 PR tree-optimization/27381
11646 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
11647 maintain the same immediate_use links.
11648 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
11649 node rather than segfaulting.
11651 2006-05-03 Jakub Jelinek <jakub@redhat.com>
11654 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
11655 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
11656 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
11658 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
11660 Fix PR tree-optimization/26626
11661 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
11663 * tree-ssa-operands.c (access_can_touch_variable): Allow
11664 typecasting through union pointers.
11666 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11669 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
11670 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
11671 to find if var will be a global variable even in the nested context.
11672 (omp_copy_decl): Only check for global variable at the end, it might
11673 be overridden in outer contexts.
11674 (scan_sharing_clauses): For global variables don't create a field.
11675 (lower_rec_input_clauses): Do nothing for global shared variables.
11676 Emit a barrier at the end of ILIST if there were any decls in both
11677 firstprivate and lastprivate clauses.
11678 (lower_send_clauses): Do nothing for global variables except for
11681 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
11683 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
11684 of the correct signedness is returned.
11686 2006-05-02 Jeff Law <law@redhat.com>
11688 PR tree-optimization/27364
11689 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
11690 multiply expressions.
11692 2006-05-02 Tom Tromey <tromey@redhat.com>
11694 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
11696 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
11699 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
11700 -mthumb -fPIC are used.
11702 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
11703 Joshua Kinard <kumba@gentoo.org>
11706 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
11707 with 64-bit pointers.
11709 2006-05-02 Paul Brook <paul@codesourcery.com>
11711 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11713 (create_fix_barrier): Check that a suitable barrier location is
11715 (arm_reorg): Include ftmp->address in allowable range of addresses.
11717 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11720 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11723 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11725 PR middle-end/27337
11726 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11727 around RESULT_DECL for result passed by reference.
11728 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11729 * omp-low.c (use_pointer_for_field): Don't look at
11730 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11731 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11732 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11733 time or var for passing by reference for
11734 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11735 TREE_ADDRESSABLE variables when passing by reference.
11737 * omp-low.c (dump_omp_region): Fix output formatting.
11739 PR middle-end/27328
11740 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11741 (expand_omp_parallel): Likewise.
11742 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11744 PR middle-end/27325
11745 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11746 on statement list containing also constructors and destructors.
11747 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11749 PR middle-end/27310
11750 * except.c (duplicate_eh_regions): Fix clearing of
11751 cfun->eh->region_array entries.
11753 2006-05-01 DJ Delorie <dj@redhat.com>
11755 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11757 (gcc_cv_objdump): Likewise.
11758 * configure: Regenerated.
11760 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11763 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11764 templates for case 3 and 4.
11766 2006-05-01 DJ Delorie <dj@redhat.com>
11768 * vec.c: Include bconfig.h when appropriate.
11769 * Makefile.in (build/vec.o): Adjust dependencies.
11770 * mkconfig.sh: Make sure config.h isn't used for build machine
11773 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11775 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11777 (mark_phi_for_rewrite): New function.
11778 (insert_phi_nodes_for, mark_use_interesting): Call
11779 mark_phi_for_rewrite.
11780 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11781 (update_ssa): Initialize and free phis_to_rewrite.
11783 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11785 PR rtl-optimization/27291
11786 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11787 folded to a constant.
11789 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11791 PR tree-optimization/27283
11792 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11793 not whole # of iteration descriptions.
11794 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11795 uses abnormal ssa name.
11796 (niter_for_single_dom_exit): Ditto.
11797 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11798 return just the number of iterations.
11800 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11802 PR tree-optimization/27144
11803 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11804 (record_estimate): Only record constant upper bound.
11805 (infer_loop_bounds_from_undefined): Call
11806 compute_estimated_nb_iterations just once.
11807 (proved_non_wrapping_p): Renamed to ...
11808 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11809 (convert_step_widening, scev_probably_wraps_p): Call
11810 n_of_executions_at_most instead of proved_non_wrapping_p.
11811 (substitute_in_loop_info): Do not replace values in bounds.
11812 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11815 2006-05-01 Richard Henderson <rth@redhat.com>
11818 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11819 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11822 2006-05-01 Roger Sayle <roger@eyesopen.com>
11824 * c-typeck.c (parser_build_binary_op): Don't call the function
11825 unsigned_conversion_warning to spot operand/result type overflow.
11826 (build_binary_op): Instead, call convert_and_check instead of
11827 convert to report the problem when the operands are promoted.
11828 * c-common.c (unsigned_conversion_warning): Make static.
11829 * c-common.h (unsigned_conversion_warning): Delete prototype.
11831 2006-05-01 Richard Guenther <rguenther@suse.de>
11833 PR tree-optimization/26726
11834 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11836 (find_interesting_uses_address): ... we work around here
11837 by folding INDIRECT_REFs in the substituted base.
11839 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11841 * omp-low.c (dump_omp_region): Add newlines.
11843 2006-04-30 Roger Sayle <roger@eyesopen.com>
11845 * common.opt (Woverflow): New command line option.
11846 * c-common.c (constant_expression_warning): Check warn_overflow.
11847 (overflow_waring): Pass OPT_Woverflow to warning.
11848 (unsigned_conversion_warning): Likewise.
11849 (convert_and_check): Likewise.
11850 * doc/invoke.texi: Document new command line option.
11852 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11854 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11855 TARGET_NO_FP_IN_TOC for section anchors.
11856 (optimization_options): Enable section anchors for all
11857 non-"Objective" languages.
11859 2006-04-28 Eric Christopher <echristo@apple.com>
11861 * config/darwin-c.c (darwin_ms_struct): Move this
11862 (darwin_set_default_type_attributes): and this...
11863 * config/darwin.c: ... here.
11864 * config/darwin.h (darwin_ms_struct): Declare.
11866 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11868 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11870 2006-04-28 Roger Sayle <roger@eyesopen.com>
11873 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11874 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11875 an unsigned HOST_WIDE_INT.
11876 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11878 (really_start_incremental_init): No need to call convert because
11879 bitsize_zero_node is already of type bitsizetype.
11880 (push_init_level): Extract the value of constructor_index as an
11881 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11882 (process_init_element): Likewise.
11884 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11886 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11887 value before passing to make_relative_prefix.
11889 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11891 PR middle-end/27260
11892 * builtins.c (expand_builtin_memset): Expand val in original mode.
11894 2006-04-27 Eric Christopher <echristo@apple.com>
11896 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11897 with #ifndef/#endif.
11898 * config/darwin-c.c (darwin_ms_struct): New.
11899 (darwin_pragma_ms_struct): Ditto.
11900 (darwin_set_default_type_attributes): Ditto.
11901 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11902 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11903 Register ms_struct pragma.
11904 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11905 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11906 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11907 darwin_set_default_type_attributes if TARGET_MACHO.
11909 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11911 PR tree-optimization/26854
11912 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11913 * doc/tree-ssa.texi: Update immuse iterator documentation.
11914 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11915 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11916 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11917 first_safe_imm_use, next_safe_imm_use): Remove.
11918 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11919 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11920 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11921 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11922 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11923 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11924 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11925 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11926 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11927 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11928 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11929 (perfect_nestify): Use new iterator.
11930 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
11932 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
11933 (next_imm_name): New field in struct immediate_use_iterator_d.
11934 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
11935 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
11936 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
11937 * tree-cfg.c (replace_uses_by): Use new iterator.
11938 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
11939 * tree-ssa-operands.c (correct_use_link): Remove.
11940 (finalize_ssa_use_ops): No longer call correct_use_link.
11942 2006-04-27 Stuart Hastings <stuart@apple.com>
11944 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
11945 * config/t-darwin (crt3.o): Use it.
11946 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
11947 'pmode', use Pmode instead of SImode for SYMBOL_REF.
11948 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
11949 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
11950 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
11953 2006-04-27 Roger Sayle <roger@eyesopen.com>
11955 * expmed.c (store_fixed_bit_field): If we're not optimizing for
11956 size, force the intermediate into a new pseudo rather instead of
11957 performing both a bitwise AND and a bitwise IOR in memory.
11959 2006-04-27 Richard Guenther <rguenther@suse.de>
11961 PR rtl-optimization/26685
11962 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
11963 this one "max-flow-memory-locations".
11965 2006-04-27 Richard Guenther <rguenther@suse.de>
11967 PR tree-optimization/25148
11968 * tree-vrp.c (compare_values): Remove code dealing with
11969 comparisons against type min/max value. Honour overflow
11970 and negative constants in code dealing with comparisons
11971 of plus and minus expressions.
11972 (value_inside_range): Use fold_binary with LE_EXPR and
11973 GE_EXPR rather than compare_values.
11975 2006-04-27 Dirk Mueller <dmueller@suse.de>
11977 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
11980 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
11982 * basic-block.h (safe_insert_insn_on_edge): Removed.
11983 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
11985 2006-04-26 David Edelsohn <edelsohn@gnu.org>
11986 Paolo Bonzini <bonzini@gnu.org>
11988 PR middle-end/27282
11989 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
11990 (simplify_and_const_int): Same.
11992 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
11994 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
11996 2006-04-26 Jakub Jelinek <jakub@redhat.com>
11999 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
12000 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
12001 cgraph_global_info_ready.
12003 PR middle-end/26913
12004 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
12007 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
12008 either decl or init is error_mark_node.
12010 PR middle-end/25989
12011 * tree-flow.h (struct omp_region): Add sched_kind.
12012 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
12013 instead of extracting omp for data.
12014 (expand_omp_for): Save extracted sched_kind.
12016 2006-04-25 Roger Sayle <roger@eyesopen.com>
12018 * expmed.c (store_bit_field): Also check whether the bitsize is
12019 valid for the machine's "insv" instruction before moving the
12020 target into a pseudo for use with the insv.
12021 * config/i386/predicates.md (const8_operand): New predicate.
12022 * config/i386/i386.md (extv, extzv, insv): Use the new
12023 const8_operand predicate where appropriate.
12025 2006-04-25 DJ Delorie <dj@redhat.com>
12027 * doc/install.texi (Specific): Clarify that this is not a list of
12028 supported hosts or targets.
12030 2006-04-25 Richard Sandiford <richard@codesourcery.com>
12032 PR rtl-optimization/26725
12033 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
12034 block's BB_DIRTY flag.
12036 2006-04-25 Geoffrey Keating <geoffk@apple.com>
12038 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
12041 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
12042 to print an integer.
12044 2006-04-25 David Edelsohn <edelsohn@gnu.org>
12046 * varasm.c (align_variable): New function.
12047 (get_block_for_decl): Apply align_variable to DECL before
12048 calculating section information.
12049 (assemble_variable): Split out alignment computation.
12051 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
12053 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
12056 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
12058 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
12059 MODE_PARTIAL_INT mode.
12060 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
12061 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
12063 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
12064 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
12066 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
12068 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
12070 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
12071 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
12072 MACFLAG_IH): Likewise.
12073 (movstricthi_1): Renamed from "*movstricthi".
12074 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
12075 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
12076 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
12077 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
12078 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
12079 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
12080 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
12081 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
12082 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
12083 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
12084 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
12085 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
12086 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
12087 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
12088 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
12090 * doc/rtl.texi (ss_ashift): Improve wording.
12092 2006-04-24 Geoffrey Keating <geoffk@apple.com>
12094 * dwarf2out.c (verify_marks_clear): New.
12095 (prune_unused_types): Call verify_marks_clear initially, not
12098 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
12100 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
12101 * doc/rtl.texi: Document them.
12102 * simplify-rtx.c (simplify_unary_operation,
12103 simplify_binary_operation_1): Don't abort when we see them.
12105 2006-04-24 Mark Mitchell <mark@codesourcery.com>
12108 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12109 * configure.ac: Completely disregard languages that are not
12111 * configure: Regenerated.
12113 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12114 Richard Guenther <rguenther@suse.de>
12116 PR tree-optimization/27236
12117 * tree-inline.c (copy_body_r): Make sure to copy
12118 TREE_THIS_VOLATILE flag.
12120 2006-04-24 Richard Guenther <rguenther@suse.de>
12122 PR middle-end/26869
12123 * tree-complex.c (update_parameter_components): Don't handle
12124 unused parameters which have no default def.
12126 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12127 Richard Guenther <rguenther@suse.de>
12129 PR tree-optimization/27218
12130 * tree-inline.c (expand_call_inline): Strip useless type
12131 conversions for the return slot address.
12133 2006-04-24 Richard Guenther <rguenther@suse.de>
12135 * cfgloop.h (struct loops): Remove unused field array. Reorder
12137 (LOOP_PREFETCH): Remove.
12139 2006-04-24 Richard Guenther <rguenther@suse.de>
12141 PR tree-optimization/22525
12142 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
12143 variable, adjust types of generated expressions.
12145 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
12147 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
12148 (tree-vect-patterns.o): Likewise.
12149 (jump.o): Likewise.
12150 (cselib.o): Likewise.
12151 (loop-doloop.o): Likewise.
12152 (regclass.o): Likewise.
12153 (reload1.o): Likewise.
12154 (explow.o): Replace target.h with $(TARGET_H).
12155 (ipa-prop.o): Likewise.
12156 (ipa-cp.o): Likewise.
12157 (ipa-inline.o): Likewise.
12158 (reorg.o): Likewise.
12159 (reg-stack.o): Likewise.
12161 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12163 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
12165 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12167 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
12169 * configure.ac: Completely disregard languages that are not
12171 * configure: Regenerated.
12174 * c-common.h (c_build_bitfield_integer_type): Declare.
12175 * c-decl.c (c_build_bitfield_integer_type): Move to ...
12176 * c-common.c (c_build_bitfield_integer_type): ... here.
12178 2006-04-23 Roger Sayle <roger@eyesopen.com>
12181 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
12182 a SImode SUBREG of a floating point register after no_new_pseudos.
12184 2006-04-23 Roger Sayle <roger@eyesopen.com>
12186 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
12187 identify potentially eliminable registers to additionally catch
12188 VIRTUAL_INCOMING_ARGS_REGNUM.
12189 (addsi3): Update the conditions on when to use addsi_small_int.
12191 2006-04-23 Roger Sayle <roger@eyesopen.com>
12194 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
12195 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
12196 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
12198 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12200 * fold-const.c (range_predecessor): Use operand_equal_p
12201 as the predicate for equality.
12202 (range_successor): Likewise.
12204 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12207 * config/soft-fp/op-common.h: Fix a typo.
12209 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
12211 PR libmudflap/26864
12212 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
12213 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
12215 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12217 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
12219 * doc/tm.texi: Fix a typo.
12221 2006-04-21 Geoffrey Keating <geoffk@apple.com>
12223 * dwarf2out.c (struct die_struct): Document that die_sib makes
12224 a circular linked list.
12225 (FOR_EACH_CHILD): New.
12226 (reverse_die_lists): Delete.
12227 (reverse_all_dies): Delete.
12228 (add_dwarf_attr): Correct documentation.
12229 (remove_child_with_prev): New.
12230 (remove_child_TAG): Update for change to die_struct, use
12231 remove_child_with_prev.
12232 (add_child_die): Update for change to die_struct.
12233 (splice_child_die): Use remove_child_with_prev and add_child_die.
12234 (print_die): Use FOR_EACH_CHILD.
12235 (die_checksum): Likewise.
12236 (assign_symbol_names): Likewise.
12237 (output_location_lists): Likewise.
12238 (build_abbrev_table): Likewise.
12239 (calc_die_sizes): Likewise.
12240 (mark_dies): Likewise.
12241 (unmark_dies): Likewise.
12242 (unmark_all_dies): Likewise.
12243 (output_die): Likewise.
12244 (prune_unused_types_mark): Likewise.
12245 (prune_unused_types_walk): Likewise.
12246 (same_die_p): Update for change to die_struct.
12247 (break_out_includes): Likewise.
12248 (prune_unused_types_prune): Likewise.
12249 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
12250 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
12251 it's already clear.
12252 (dwarf2out_finish): Don't call reverse_all_dies.
12254 2006-04-21 Eric Christopher <echristo@apple.com>
12256 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
12257 in comments and function names.
12259 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12262 * c-typeck.c (digest_init): Robustify.
12264 * c-typeck.c (pop_init_level): Simplify.
12266 2006-04-21 Steve Ellcey <sje@cup.hp.com>
12268 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
12270 2006-04-21 Paul Brook <paul@codesourcery.com>
12272 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
12273 hardware floating point.
12275 2006-04-21 David Edelsohn <edelsohn@gnu.org>
12277 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
12280 2006-04-21 Nick Clifton <nickc@redhat.com>
12282 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
12285 2006-04-21 Alan Modra <amodra@bigpond.net.au>
12288 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
12289 C++ lang type in traceback table for Objective-C++.
12291 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
12293 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
12295 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
12297 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12300 * tree-mudflap.c (mudflap_finish_file): Skip function when there
12301 were errors. Remove check for erroneous objects.
12303 2006-04-20 Jeff Law <law@redhat.com>
12305 PR tree-optimization/26854
12306 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
12307 checking for zero or one use.
12308 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
12309 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
12310 * tree-ssa-reassoc.c (negate_value): Similarly.
12311 (reassociate_bb): Similarly.
12313 2006-04-20 Jakub Jelinek <jakub@redhat.com>
12316 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
12317 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
12318 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
12320 2006-04-20 Alan Modra <amodra@bigpond.net.au>
12322 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
12323 fp regs if the last fp arg doesn't fit in regs.
12325 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
12328 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
12329 that the last insn has the REG_INC note.
12331 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
12332 Nathan Sidwell <nathan@codesourcery.com>
12335 * stor-layout.c (update_alignment_for_field): Do not align
12337 (place_union_field): Place union field at the start of the union.
12338 (place_field): Move ERROR_MARK check later, and use the current
12339 allocation position to maintain monotonicity.
12341 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
12343 * dominance.c: Include timevar.h.
12344 (calculate_dominance_info): Use TV_DOMINANCE.
12345 * timevar.def (TV_DOMINANCE): New timevar.
12346 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
12348 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12350 PR rtl-optimization/14261
12351 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
12352 move would be an INSV insn.
12353 (noce_process_if_block): Don't optimize if the destination is a
12354 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
12356 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12358 * config/s390/s390.md: Add comments with the instructions emitted
12359 by an insn pattern if macros are used.
12361 2006-04-19 Alan Modra <amodra@bigpond.net.au>
12363 PR rtl-optimization/26026
12364 * fold-const.c (fold_binary): Optimize div and mod where the divisor
12365 is a known power of two shifted left a variable amount.
12367 2006-04-18 Geoffrey Keating <geoffk@apple.com>
12369 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
12370 to hash table twice when the debug_str section has SECTION_MERGE.
12372 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
12374 * config/soft-fp: New directory. From glibc.
12375 * config/soft-fp/t-softfp: New.
12376 * config/soft-fp/README: New.
12377 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
12378 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
12379 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
12380 (LIBGCC_DEPS): Add $(SFP_MACHINE).
12381 * config.gcc: Use rs6000/t-fprules-fpbit or
12382 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
12384 * config/rs6000/sfp-machine.h: New. Based on glibc.
12385 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
12387 * config/rs6000/t-fprules: Remove fp-bit rules.
12388 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
12389 * config/rs6000/t-linux64: Likewise. Remove duplicates from
12390 LIB2FUNCS_EXTRA. Remove fp-bit rules.
12391 (softfp_wrap_start, softfp_wrap_end): New.
12393 2006-04-18 DJ Delorie <dj@redhat.com>
12395 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
12397 2006-04-18 Devang Patel <dpatel@apple.com>
12399 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
12401 2006-04-18 Nick Clifton <nickc@redhat.com>
12403 * config/sh/t-symbian: Add rule to build sh-c.o
12404 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
12405 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
12406 (sh_symbian_encode_section_info): Likewise.
12408 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
12410 * builtins.c (expand_builtin_strcmp): Cover label definition of
12411 do_libcall with HAVE_cmpstrnsi.
12413 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
12415 * function.c (temp_slots_at_level, max_slot_level): Use VEC
12417 * function.h (temp_slot_p): New.
12418 (function): Change the type of x_used_temp_slots to
12419 VEC(temp_slot_p,gc) *.
12421 2006-04-18 Nick Clifton <nickc@redhat.com>
12423 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
12424 flag_strength_reduce.
12426 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
12428 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12432 Partial revert of revision 112637
12433 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12434 Dale Johannesen <dalej@apple.com>
12437 * regclass.c (struct reg_pref): Update documentation.
12438 (regclass): Set prefclass to NO_REGS if memory is the best option.
12439 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12441 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12443 PR tree-optimization/26821
12444 * tree-ssa-math-opts.c (get_constant_one): New.
12445 (insert_reciprocals): Use it.
12447 2006-04-17 Geoffrey Keating <geoffk@apple.com>
12449 * dwarf2out.c (free_AT): Delete.
12450 (remove_AT): Update string ref counts.
12451 (remove_child_TAG): Don't call free_die.
12452 (free_die): Delete.
12453 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
12454 or DW_TAG_GNU_EINCL.
12455 (prune_unused_types_walk_attribs): Reset string refcounts.
12456 (prune_unused_types_update_strings): New.
12457 (prune_unused_types_prune): Don't make unnecessary stores. Don't
12458 call free_die. Do call prune_unused_types_update_strings.
12459 (prune_unused_types): Empty debug_str_hash.
12461 2006-04-17 Roger Sayle <roger@eyesopen.com>
12463 * expr.c (expand_assignment): Optimize away no-op moves where the
12464 source and destination are equal and have no side-effects.
12466 2006-04-17 Richard Guenther <rguenther@suse.de>
12469 * reload.c (push_reload): Guard calls to get_secondary_mem
12470 for memory subregs.
12472 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
12474 * alias.c (reg_base_value, old_reg_base_value): Change the
12475 type to VEC(rtx,gc) *.
12476 (REG_BASE_VALUE, find_base_value, record_set,
12477 init_alias_analysis): Use VEC instead of VARRAY.
12479 * alias.c (alias_sets): Change the type to
12480 VEC(alias_set_entry,gc) *.
12481 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
12482 VEC instead of VARRAY.
12483 (last_alias_set): Remove.
12485 * cgraph.h (cgraph_edge_p): New.
12486 Update the prototype of cgraph_function_versioning.
12487 * cgraphunit.c (cgraph_copy_node_for_versioning,
12488 cgraph_function_versioning): Use VEC instead of VARRAY.
12489 * ipa-cp.c (ipcp_insert_stage): Likewise.
12491 2006-04-16 Roger Sayle <roger@eyesopen.com>
12494 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
12495 "A op B" or "A op C", we may need to convert A to the type of B and C.
12497 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
12499 * target.h (struct gcc_target): Add mode_rep_extended.
12500 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
12501 (init_num_sign_bit_copies_in_rep): Initialize it using
12503 (truncate_to_mode): Use it.
12504 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
12505 * targhooks.h (default_mode_rep_extended): Declare it.
12506 * targhooks.c (default_mode_rep_extended): Define it.
12507 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
12508 default_mode_rep_extended.
12509 (TARGET_INITIALIZER): Include it.
12510 * doc/tm.texi (Misc): Document it.
12511 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
12512 (mips_truncated_to_mode): New function.
12514 2006-04-16 Roger Sayle <roger@eyesopen.com>
12516 PR middle-end/25474
12517 * expr.c (compress_float_constant): Copy the narrow constant into
12518 a new pseudo before extending it to its final width.
12520 2006-04-16 Roger Sayle <roger@eyesopen.com>
12521 Andrew Pinski <pinskia@gcc.gnu.org>
12522 Dale Johannesen <dalej@apple.com>
12525 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
12526 special case code to implement V8HImode and V16QImode with SSE2.
12528 2006-04-15 Roger Sayle <roger@eyesopen.com>
12530 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
12531 trees are constructed with a suitable tree type.
12533 2006-04-15 Roger Sayle <roger@eyesopen.com>
12535 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
12536 (integer_onep): Likewise.
12537 (integer_all_onesp): Likewise.
12538 (integer_pow2p): Likewise.
12539 (integer_nonzerop): Likewise.
12540 (real_zerop): Likewise.
12541 (real_onep): Likewise.
12542 (real_twop): Likewise.
12543 (real_minus_onep): Likewise.
12544 (int_size_in_bytes): Likewise.
12545 (host_integerp): Likewise.
12547 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
12549 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
12550 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
12551 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
12553 * tree-ssa-structalias.h (alias_info): Remove num_references.
12555 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12557 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
12558 (output_bvb patterns): Likewise.
12559 * pa.c (output_bb): Use 'bb' insn for long branch case.
12560 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
12561 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
12562 1. Correct length operand for alternatives 1 and 2.
12563 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
12564 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
12566 2006-04-14 Roger Sayle <roger@eyesopen.com>
12568 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
12569 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
12570 were accidentally reverted by r112959.
12572 2006-04-15 Jakub Jelinek <jakub@redhat.com>
12574 PR middle-end/26823
12575 * except.h (eh_region_outermost): New prototype.
12576 * except.c (eh_region_outermost): New function.
12577 * tree-cfg.c (find_outermost_region_in_block): Use it.
12579 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12581 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
12583 * reload1.c (reg_equiv_memory_loc_varray): Rename to
12584 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
12585 (init_reload, reload): Use VEC instead of VARRAY.
12586 * reload.h: Update the prototype for
12587 reg_equiv_memory_loc_varray.
12589 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
12590 Eric Botcazou <ebotcazou@libertysurf.fr>
12592 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
12593 register save area.
12595 2005-04-13 Uros Bizjak <uros@kss-loka.si>
12597 PR middle-end/27134
12598 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
12599 to expand fallback builtin function call.
12601 2006-04-14 Alan Modra <amodra@bigpond.net.au>
12603 PR middle-end/27095
12604 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
12605 and emit libcall here in case the builtin fails.
12606 (expand_builtin_strcmp): Always emit the libcall here on failure.
12608 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12610 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
12611 * flow.c (reg_n_info): Change the type to
12612 VEC(reg_info_p,heap) *.
12613 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
12615 * regs.h (reg_info_p): New.
12616 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
12617 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
12618 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
12621 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
12623 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
12625 * params.h (MAX_SCHED_READY_INSNS): New macro.
12626 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
12627 past MAX_SCHED_READY_INSNS during the first scheduling pass.
12628 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
12629 the ready list for 1 cycle during the first scheduling pass.
12630 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
12632 2006-04-13 Richard Henderson <rth@redhat.com>
12635 * gimple-low.c (lower_omp_directive): Remove dead code.
12636 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
12637 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
12638 * omp-low.c (struct omp_region): Move to tree-flow.h.
12639 (root_omp_region): Export.
12640 (omp_regions, lookup_omp_region): Remove.
12641 (determine_parallel_type): Update for struct omp_region changes.
12642 (dump_omp_region): Dump regions with block numbers.
12643 (new_omp_region): Take type and block instead of stmt; malloc
12645 (free_omp_region_1, free_omp_regions): New.
12646 (expand_parallel_call): Take entry_stmt as argument; update for
12647 changes to omp_region.
12648 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
12649 (remove_exit_barriers): New.
12650 (expand_omp_parallel): Update for struct omp_region changes.
12651 (expand_omp_synch): Likewise.
12652 (expand_omp): Likewise.
12653 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
12654 (expand_omp_for_static_chunk): Likewise.
12655 (expand_omp_for): Likewise.
12656 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
12657 (expand_omp_sections): Similarly, with GOMP_sections_end.
12658 (expand_omp_single): New.
12659 (build_omp_regions_1): Update for OMP_CONTINUE.
12660 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
12661 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
12662 OMP_SECTIONS_SECTIONS.
12663 (lower_omp_single_simple): Don't emit barrier here.
12664 (lower_omp_single_copy): Likewise.
12665 (lower_omp_single): Fix bindings, and lower to straightline now.
12666 (lower_omp_master, lower_omp_ordered): Likewise.
12667 (lower_omp_critical): Likewise.
12668 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
12669 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
12670 omp edges, free it afterward.
12671 (make_omp_sections_edges): Remove.
12672 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
12673 (move_stmt_r): Handle OMP_CONTINUE.
12674 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
12675 statement pointers to basic blocks. Add type member.
12676 (root_omp_region, new_omp_region, free_omp_regions): Declare.
12677 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
12678 * tree-inline.c (estimate_num_insns_1): Likewise.
12679 * tree-pretty-print.c (dump_generic_node): Likewise.
12680 * tree-ssa-operands.c (get_expr_operands): Likewise.
12681 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
12682 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
12683 (OMP_CONTINUE): New.
12684 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
12685 (OMP_SECTIONS_SECTIONS): Remove.
12686 (OMP_SECTION_LAST): New.
12687 (OMP_RETURN_NOWAIT): New.
12689 2006-04-13 Roger Sayle <roger@eyesopen.com>
12691 * fold-const.c (native_encode_vector, native_interpret_real):
12692 Correct obvious mistakes in the previous check-in.
12694 2006-04-13 Roger Sayle <roger@eyesopen.com>
12696 * fold-const.c (native_encode_expr): New function to encode
12697 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
12698 or VECTOR_CST into a specified buffer.
12699 (native_encode_int): New function.
12700 (native_encode_real): New function.
12701 (native_encode_complex): New function.
12702 (native_encode_vector): New function.
12703 (native_interpret_expr): Inverse of native_encode_expr to convert
12704 a target representation into an INTEGER_CST, REAL_CST etc...
12705 (native_interpret_int): New function.
12706 (native_interpret_real): New function.
12707 (native_interpret_complex): New function.
12708 (native_interpret_vector): New function.
12709 (fold_view_convert_expr): New function to constant fold/evaluate
12710 a VIEW_CONVERT_EXPR of a suitable constant expression.
12711 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
12712 Change call of build1 to fold_build1 when constructing a
12715 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
12716 Ulrich Weigand <uweigand@de.ibm.com>
12719 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12722 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12725 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12726 optimize to lo_sum for DFmode if !TARGET_FPRS.
12728 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12730 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12731 delete_alias_info, compute_flow_sensitive_aliasing,
12732 group_aliases): Use VEC instead of VARRAY.
12733 * tree-ssa-structalias.c (update_alias_info): Likewise.
12734 * tree-ssa-structalias.h (alias_info): Change the type of
12735 processed_ptrs to VEC(tree,heap) *.
12737 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12740 * config/sh/lib1funcs.h: New file, broken out of:
12741 * config/sh/lib1funcs.asm.
12742 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12744 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12745 * config/sh/lib1funcs-Os-4-200.asm: New file.
12746 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12747 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12748 (EXTRA_MULTILIB_PARTS): Include it.
12749 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12750 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12751 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12752 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12755 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12757 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12758 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12759 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12761 * tree-ssa-live.h: Include vecprim.h.
12762 (tree_partition_associator_d): Change the type of
12763 first_partition to VEC(int,heap) *.
12764 (tpa_first_partition): Use VEC instead of VARRAY.
12766 * Makefile.in (GTFILES): Move functions.h after tree.h.
12767 * function.c (reset_block_changes, record_block_change,
12768 check_block_change, free_block_changes): Use VEC instead of
12770 * function.h (function): Change the type of
12771 ib_boundaries_block to VEC(tree,gc) *.
12772 * tree-inline.c (copy_cfg_body): Initialize
12773 ib_boundaries_block to NULL instead of (varray_type) 0.
12775 2006-04-12 Roger Sayle <roger@eyesopen.com>
12777 * expr.c (emit_group_store): Correct operand order in call to
12778 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12779 a SUBREG_BYTE of zero.
12781 2006-04-12 Richard Guenther <rguenther@suse.de>
12783 * profile.c (compute_branch_probabilities): Remove code
12784 encapsulated in !ir_type (), which are remanents of the
12785 removed RTL profiling code.
12786 * rtl-profile.c: Remove.
12788 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12790 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12791 magic NULL_RTX comment.
12792 (function_arg): Store entire fp arg to mem if any part should go
12794 (rs6000_arg_partial_bytes): Adjust for above change.
12796 2006-04-11 Roger Sayle <roger@eyesopen.com>
12798 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12799 if it hasn't been initialized by dwarf2out_init.
12801 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12803 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12804 symbolic constants in branch patterns.
12806 2006-04-11 Roger Sayle <roger@eyesopen.com>
12808 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12810 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12812 PR rtl-optimization/27073
12813 * gcse.c (try_replace_reg): Revert last change. Continue to search
12814 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12817 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12819 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12820 aggregate types other than record and union types.
12821 (function_arg): Likewise.
12822 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12824 (function_value): In 64-bit mode, return objects that require it
12827 2006-04-11 Roger Sayle <roger@eyesopen.com>
12829 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12831 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12833 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12835 2006-04-03 Jeff Law <law@redhat.com>
12838 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12839 alias information too.
12841 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12843 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12845 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12848 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12849 (premark_used_types_helper): New.
12850 (premark_used_types): New.
12851 (gen_subprogram_die): Call premark_used_types.
12852 (prune_unused_types_walk): Do not prune perennial dies.
12853 * function.c (used_types_insert): New.
12854 * function.h (struct function): Add used_types_hash field.
12855 (used_types_insert): Add prototype.
12856 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12857 * c-parser.c (c_parser_cast_expression): Save casted types in used
12860 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12863 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12864 rs6000_explicit_options.float_gprs.
12866 2006-04-10 Roger Sayle <roger@eyesopen.com>
12868 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12869 from ix86_expand_vector_init_low_nonzero. Take an additional
12870 one_var argument indicating which element is non-zero. Support
12871 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12872 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12873 with one_var instead of ix86_expand_vector_init_low_nonzero.
12875 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12877 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12878 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12879 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12880 build/genextract.o): Depend on vecprim.h.
12881 * cfglayout.c, df-problems.c, function.c, genextract.c,
12882 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12883 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12887 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12889 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12890 Declare VECs of this type.
12891 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12892 (remove_children): Delete.
12893 (add_dwarf_attr): Use VEC routines.
12894 (add_AT_flag): Update for changes to add_dwarf_attr.
12895 (add_AT_int): Likewise.
12896 (add_AT_unsigned): Likewise.
12897 (add_AT_long_long): Likewise.
12898 (add_AT_vec): Likewise.
12899 (add_AT_string): Likewise.
12900 (add_AT_die_ref): Likewise.
12901 (add_AT_fde_ref): Likewise.
12902 (add_AT_loc): Likewise.
12903 (add_AT_loc_list): Likewise.
12904 (add_AT_addr): Likewise.
12905 (add_AT_lbl_id): Likewise.
12906 (add_AT_lineptr): Likewise.
12907 (add_AT_macptr): Likewise.
12908 (add_AT_offset): Likewise.
12909 (add_AT_range_list): Likewise.
12910 (get_AT): Use VEC_iterate.
12911 (remove_AT): Use VEC_ordered_remove.
12912 (free_die): Fold remove_children into here; have it use VEC_iterate.
12913 (print_die): Use VEC_iterate on attrs.
12914 (reverse_die_lists): Don't reverse attr lists.
12915 (die_checksum): Use VEC_iterate on attrs.
12916 (same_die_p): Likewise.
12917 (output_location_lists): Likewise.
12918 (build_abbrev_table): Likewise.
12919 (size_of_die): Likewise.
12920 (unmark_all_dies): Likewise.
12921 (output_abbrev_section): Likewise.
12922 (output_die): Likewise.
12923 (prune_unused_types_walk_attribs): Likewise.
12925 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12927 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12929 2006-04-10 Jakub Jelinek <jakub@redhat.com>
12932 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
12934 2006-04-09 Roger Sayle <roger@eyesopen.com>
12936 * expr.c (store_constructor): Don't bother clearing target if
12937 we're about to assign a vector to it using vec_init_optab.
12939 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
12941 * tree-ssa-alias.c (lhs_may_store_to): New function.
12942 (recalculate_used_alone): Handle LHS of calls.
12944 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12948 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
12949 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
12950 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
12951 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
12952 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
12953 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
12954 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
12955 stubs. Add ".align 8" directives before all ".dword" directives.
12956 (GTHREAD_USE_WEAK): Revise comment.
12957 (TARGET_ATTRIBUTE_WEAK): Define.
12958 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
12959 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
12960 * stublib.c: New file.
12965 * pa.md (cbranch patterns): Revise arguments used in calls to
12966 output_cbranch, output_bb and output_bvd. Add long branch length
12968 (fbranch patterns): Handle long branches.
12969 (jump): Revise length check. Revise arguments for output_lbranch call.
12970 Add long branch length attributes.
12971 (decrement_and_branch_until_zero): Add long branch length attributes.
12972 (output_movb, output_parallel_addb and output_parallel_movb patterns):
12973 Likewise. Revise arguments for output_parallel_addb and
12974 output_parallel_movb calls.
12975 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
12976 output_parallel_movb and output_parallel_addb): Update prototypes.
12977 * pa.c (output_cbranch): Revise arguments. Correct handling of
12978 nullification in long branches.
12979 (output_lbranch): Add new argument to control extraction of delay
12981 (output_bb): Handle long branches.
12982 (output_bvb, output_dbra, output_movb, output_parallel_movb,
12983 output_parallel_addb): Likewise.
12985 2006-04-09 Richard Sandiford <richard@codesourcery.com>
12987 PR rtl-optimization/27073
12988 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
12991 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
12993 * tree.h (tree_memory_tag): Add old_used_alone.
12994 (SMT_OLD_USED_ALONE): New macro.
12995 * tree-ssa-alias.c (recalculate_used_alone): Stop
12996 marking things for renaming unnecessarily.
12998 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
13000 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
13001 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
13002 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
13003 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
13004 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
13005 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
13006 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
13007 spelling convensions.
13008 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
13009 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
13010 typos. Follow spelling conventions.
13012 2006-04-07 DJ Delorie <dj@redhat.com>
13014 * config/m32c/m32c.c (m32c_function_arg): Structures are always
13015 passed on the stack.
13016 (m32c_init_cumulative_args): When a function returns a structure,
13017 always pass the pointer to that return area on the stack.
13018 (m32c_function_arg_advance): Don't increment the parameter number
13019 if we're processing the returned structure pointer.
13020 (pushm_info): Reverse order of registers.
13022 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
13024 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
13025 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
13026 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
13027 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
13028 build_int_cst_type.
13029 * tree-chrec.c (chrec_fold_multiply_poly_poly,
13030 chrec_fold_multiply): Same.
13031 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
13032 force_expr_to_var_cost): Same.
13033 * tree-mudflap.c (mf_xform_derefs_1): Same.
13034 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
13036 2006-04-07 David Edelsohn <edelsohn@gnu.org>
13038 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
13039 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
13042 2006-04-07 Jan Hubicka <jh@suse.cz>
13044 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
13046 2006-04-07 Richard Guenther <rguenther@suse.de>
13048 PR tree-optimization/26135
13049 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
13050 loads for store copy-prop.
13051 (copy_prop_visit_stmt): Likewise.
13053 2006-04-05 Robert Millan <robertmh@gnu.org>
13055 * config/i386/linux.h: Add a comment to mark macros that are
13056 being overriden in config/k*bsd-gnu.h.
13057 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
13059 * config/knetbsd-gnu.h: Ditto.
13061 2006-04-06 Jan Hubicka <jh@suse.cz>
13065 * coverage.c (coverage_checksum_string): Reorganize loop to not read
13068 2006-04-06 Mike Stump <mrs@apple.com>
13070 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
13071 for HAVE_nonlocal_goto to be consistent.
13072 (expand_builtin_nonlocal_goto): Likewise.
13073 (expand_builtin_strcmp): Use #ifdef instead of #if
13074 for HAVE_cmpstrnsi to be consistent.
13076 2006-04-05 DJ Delorie <dj@redhat.com>
13078 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
13081 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
13083 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
13084 got-relative addressing for anything but SImode.
13086 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
13087 even if the calling function doesn't modify them.
13089 2006-04-05 Richard Guenther <rguenther@suse.de>
13091 PR tree-optimization/26919
13092 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
13093 to cgraph_estimate_size_after_inlining.
13095 2006-04-05 Alan Modra <amodra@bigpond.net.au>
13097 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
13099 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
13101 PR tree-optimization/26996
13102 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
13103 VECTOR_TYPE variables.
13105 2006-04-05 Richard Guenther <rguenther@suse.de>
13107 PR tree-optimization/26763
13108 * fold-const.c (fold_comparison): Move folding of
13109 PTR + CST CMP PTR + CST ...
13110 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
13112 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
13114 * doc/install.texi (Prerequisites): Refine some wording on
13115 bootstrapping and ksh.
13116 Move the version numbers of DejaGnu here from the testing section
13117 and fix casing of names.
13118 Fix markup and clarify wording for autogen requirements.
13119 Refer to GCJ instead of just java.
13120 Refer to SVN instead of CVS.
13121 Describe diffutils as useful instead of necessary.
13122 (Downloading the source): Refer to SVN instead of CVS.
13123 Adjust a link to our web site accordingly.
13124 (Configuration): Fix casing of Bison.
13125 (Building): Refer to SVN instead of CVS.
13126 Fix a sentence on the use of Bison and remove duplicate (and
13127 incorrect) version number of Bison requirement.
13128 Remove one redundant list of packages needed for building.
13129 (Specific): Avoid reference to CVS.
13131 2006-04-04 Eric Christopher <echristo@apple.com>
13133 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
13134 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
13135 (rs6000_handle_struct_attribute): New.
13136 (rs6000_ms_bitfield_layout_p): Ditto.
13138 2006-04-04 Geoffrey Keating <geoffk@apple.com>
13140 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
13141 NULL for dso parameter to atexit_common.
13143 2006-04-04 Eric Christopher <echristo@apple.com>
13145 * config/i386/i386.c (machopic_output_stub): Output \t
13146 between instructions and operands.
13148 2006-04-04 David Edelsohn <edelsohn@gnu.org>
13150 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
13151 satisfies_constraint_[IL] to explicit tests on value.
13153 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
13155 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13156 set_nb_iterations_in_loop): Use build_int_cst instead of
13157 build_int_cst_type.
13158 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
13159 build_int_cst instead of convert.
13161 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
13163 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
13164 new value 2 for incoming.
13165 * function.c (expand_function_start): Call struct_value_rtx
13166 with incoming as 2.
13167 * config/sparc/sparc.md: Comment updated_return.
13168 * config/sparc/sparc.opt: Add -mstd-struct-return option.
13169 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
13170 struct return if sparc_std_struct_return and incoming is 2.
13171 (print_operand): Do not adjust return if
13172 sparc_std_struct_return.
13174 2006-04-04 Roger Sayle <roger@eyesopen.com>
13176 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
13177 convert in the middle-end.
13178 * expr.c (store_expr, store_constructor, get_inner_reference,
13179 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
13181 * tree.c (build_range_type): Likewise.
13183 2006-04-04 Tom Tromey <tromey@redhat.com>
13185 * doc/install.texi (Prerequisites): Mention jar.
13187 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
13189 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
13192 2006-04-04 Matthias Klose <doko@debian.org>
13194 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
13198 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
13201 2006-04-03 Geoffrey Keating <geoffk@apple.com>
13203 * doc/extend.texi (Function Attributes): Rewrite visibility
13204 attribute documentation.
13205 * doc/invoke.texi (C++ Dialect Options): Rewrite
13206 -fvisibility-inlines-hidden documentation to describe something
13207 entirely different, although in practise compatible.
13208 (Code Gen Options): Warn about system headers in -fvisibility=
13211 * doc/extend.texi (Other Builtins): Document that
13212 __builtin_nan is a compile-time constant only when its argument
13215 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
13217 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
13218 trying to remove TRUNCATE check if all bits outside the new mode
13219 are identical to the sign bit.
13221 2006-04-03 Jeff Law <law@redhat.com>
13223 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
13224 and operand scanning in some common cases.
13226 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13227 Dale Johannesen <dalej@apple.com>
13230 * regclass.c (struct reg_pref): Update documentation.
13231 (regclass): Set prefclass to NO_REGS if memory is the best option.
13232 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13233 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
13234 into account. For non-registers, equate an empty preferred
13235 reload class to a `!' in the constraint; move the if clause to
13236 do so after those that reject the insn.
13237 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
13239 (find_dummy_reload): Likewise.
13240 * doc/tm.texi (Register Classes): Document what it means
13241 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
13242 * config/i386/i386.c (ix86_preferred_reload_class): Force
13243 using SSE registers (and return NO_REGS for floating-point
13244 constants) if math is done with SSE.
13245 (ix86_preferred_output_reload_class): New.
13246 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
13247 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
13248 * config/i386/i386.md: Remove # register preferences.
13250 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13253 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13254 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
13255 the type of nb_iter.
13256 (instantiate_parameters_1): Convert the operands before calling
13257 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
13258 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
13260 2006-04-02 Roger Sayle <roger@eyesopen.com>
13262 * builtins.c (dummy_object): Use build_int_cst instead of convert.
13263 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
13264 instead of convert.
13265 * dojump.c (do_jump): Likewise.
13266 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
13267 * gimplify.c (gimple_boolify, gimplify_init_constructor,
13268 gimplify_boolean_expr): Likewise.
13269 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
13270 * varasm.c (array_size_for_constructor): Likewise.
13271 * tree-object-size.c (compute_object_offset): Likewise.
13273 2006-04-02 Roger Sayle <roger@eyesopen.com>
13275 PR middle-end/26977
13276 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
13277 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
13279 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13281 PR tree-optimization/26939
13282 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
13284 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13286 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
13287 at_stmt. Convert the type of operands before calling
13288 build_polynomial_chrec.
13289 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
13290 add_to_evolution_1.
13291 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
13292 (instantiate_parameters_1): Convert the type of operands before calling
13293 build_polynomial_chrec.
13294 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
13295 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
13296 reset_evolution_in_loop): Insert asserts to check the types of the
13298 (chrec_type): Moved...
13299 (eq_evolutions_p): Use operand_equal_p.
13300 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
13301 the types of the operands.
13302 (chrec_type): ...here.
13303 * tree-data-ref.c (create_data_ref): Convert the operands before
13304 calling chrec_replace_initial_condition.
13305 (same_access_functions, analyze_subscript_affine_affine,
13306 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
13307 (compute_subscript_distance, analyze_ziv_subscript,
13308 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
13309 analyze_miv_subscript): Convert the operands before calling
13310 chrec_fold_minus or chrec_fold_plus.
13312 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13314 * tree-data-ref.c (compute_all_dependences): Use a pointer to
13315 the dependence_relations vector.
13316 (compute_data_dependences_for_loop): Adjust call to
13317 compute_all_dependences.
13319 2006-04-01 Roger Sayle <roger@eyesopen.com>
13320 Richard Henderson <rth@redhat.com>
13322 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
13323 gimple_boolify on the condition before calling gimplify_expr.
13325 2006-03-31 Bob Wilson <bob.wilson@acm.org>
13327 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
13328 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
13329 the frame size. Update to use the new macros.
13330 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
13331 * config/xtensa/ieee754-df.S: Likewise.
13333 2006-03-31 Richard Henderson <rth@redhat.com>
13335 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
13336 (make_edges): ... here. Control fallthru creation with a local
13337 variable. Do not play with fake edges.
13338 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
13339 (make_goto_expr_edges): Don't play with fake edges. Make for_call
13342 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
13344 * dwarf2.h (DW64_CIE_ID): Define.
13345 * dwarf2out.c (DWARF_CIE_ID): Define.
13346 (output_call_frame_info): Output 0xffffffff before standard 8-byte
13347 length header. Use DWARF_CIE_ID.
13348 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
13349 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
13351 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
13353 * config/sh/linux-atomic.asm: New file.
13354 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
13356 2006-03-31 DJ Delorie <dj@redhat.com>
13358 * config/m32c/cond.md: Set condition flags properly throughout.
13359 * config/m32c/minmax.md: Likewise.
13360 * config/m32c/prologue.md: Likewise.
13361 * config/m32c/bitops.md: Likewise.
13362 * config/m32c/muldiv.md: Likewise.
13363 * config/m32c/mov.md: Likewise.
13364 * config/m32c/addsub.md: Likewise.
13365 * config/m32c/m32c.md: Likewise.
13366 * config/m32c/jump.md: Likewise.
13367 * config/m32c/shift.md: Likewise.
13369 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
13370 conditionally output the pattern for this.
13371 * config/m32c/m32c.c (flags_needed_for_conditional): New.
13372 (m32c_compare_redundant): New.
13373 (m32c_output_compare): New.
13374 * config/m32c/m32c-protos.h (m32c_output_compare): New.
13376 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
13377 dest, not src. Allow other 4-byte modes.
13379 2006-03-30 Denis Chertykov <denisc@overta.ru>
13381 * doc/md.texi: Refer to avr/constraints.md instead of
13384 2006-03-30 Roger Sayle <roger@eyesopen.com>
13386 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
13387 signed vs. unsigned comparison failures on some hosts.
13389 2006-03-31 Alan Modra <amodra@bigpond.net.au>
13392 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
13393 change to FLOAT_REGS.
13395 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
13396 (rs6000_override_options): Use it.
13397 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
13398 only for -mabi=spe/no-spe and -mabi=altivec.
13400 2006-03-30 Geoffrey Keating <geoffk@apple.com>
13402 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
13405 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
13407 * Makefile.in: Rename docdir to gcc_docdir.
13409 2006-03-30 Roger Sayle <roger@eyesopen.com>
13412 * expr.c (emit_group_store): Optimize group stores into a pseudo
13413 register by using a paradoxical subreg to initialize the destination
13414 if the first or last member of the group specifies a "low part".
13416 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13419 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
13420 * target.h (struct gcc_target.speculate_insn): Change type of the
13421 second parameter to 'int'.
13422 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
13423 the second operand of the DEPS_LIST.
13424 (copy_DEPS_LIST_list): Update reference to the second operand of the
13426 * rtl.h (alloc_DEPS_LIST): Update signature.
13427 * sched-int.h (ds_t): Change typedef to 'int'.
13428 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13430 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13432 * haifa-sched.c (try_ready): Change condition to restore
13433 non-speculative pattern of the instruction.
13434 (process_insn_depend_be_in_spec): Code to keep probability of the
13435 speculative dependence non-decreasing.
13437 2006-03-30 Jie Zhang <jie.zhang@analog.com>
13439 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
13440 (single_move_for_movmem): ... this. Also change all uses.
13441 (bfin_expand_strmov): Renamed to...
13442 (bfin_expand_movmem): ... this. Also change all uses.
13443 * config/bfin/bfin.md (movstrsi): Renamed to...
13444 (movstrsi): ...this.
13446 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
13448 PR tree-optimization/26830
13450 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
13451 (copy_prop_visit_stmt): Remove write-only variable ann.
13452 (init_copy_prop): Check variable loop depth here. Do not simulate
13453 memory-tag and virtual operand PHIs except for store copy prop.
13455 2006-03-30 Richard Guenther <rguenther@suse.de>
13457 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
13458 variants with double arguments.
13460 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13462 * genpreds.c (write_tm_constrs_h): Delete variable p.
13463 * genconditions.c (write_header): Add tm-constrs.h to included
13465 * genpeep.c (main): Add toplev.h to included headers.
13466 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
13467 (build/genpeep.o): Add toplev.h dependency.
13468 * config/rs6000/constraints.md: Add "W" constraint.
13470 2006-03-29 Roger Sayle <roger@eyesopen.com>
13472 * stor-layout.c (mode_for_size_tree): Remove restiction on type
13473 sizes by correctly testing whether the size fits a host integer.
13474 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
13475 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
13476 SImode range for the default sizetype and bitsizetype.
13478 2006-03-29 Roger Sayle <roger@eyesopen.com>
13480 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
13481 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
13482 quickly if the argument is already of the correct type.
13483 Call fold_build1 instead of build1. Tidy up blank lines.
13485 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13487 * genemit.c (main): Add tm-constrs.h to included headers.
13488 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
13489 * genpeep.c (main): Add tm-constrs.h to included headers.
13490 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
13491 (write_tm_constrs_h): this and write complete file.
13492 (write_tm_preds_h): Do not emit satisfies_constraint fns.
13493 (write_insn_preds_c): Add tm-constrs.h to included headers.
13494 (gen_constrs): New variable.
13495 (parse_option): Parse "-c".
13496 (main): Invoke write_tm_constrs_h.
13497 * genrecog.c (write_header): Add tm-constrs.h to included headers.
13498 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
13499 (object_out_file): Add tm-constrs.h dependency.
13500 (insn-emit.o): Same.
13501 (insn-output.o): Same.
13502 (insn-peep.o): Same.
13503 (insn-preds.o): Same.
13504 (insn-recog.o): Same.
13505 (tm-constsr.h): New target.
13506 (s-constrs-h): New target.
13508 * config/rs6000/constraints.md: New file.
13509 * config/rs6000/rs6000.c: Include tm-constrs.h.
13510 (num_insn_constant_wide): Convert to satisfies_constraint.
13511 (rs6000_rtx_costs): Convert to satisfies_constraint.
13512 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
13513 (CONST_OK_FOR_LETTER_P): Delete.
13514 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13515 (EXTRA_CONSTRAINT): Delete.
13516 (EXTRA_MEMORY_CONSTRAINT): Delete.
13517 (EXTRA_ADDRESS_CONSTRAINT): Delete.
13518 * config/rs6000/predicates.md: Convert to satisfies_constraint.
13519 * config/rs6000/rs6000.md: Include constraints.md. Convert to
13520 satisfies_constraint.
13522 * config/i386/i386.c: Include tm-constrs.h.
13524 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13526 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
13527 * tree-data-ref.c (find_data_references_in_loop,
13528 compute_data_dependences_for_loop): Use pointers to VEC.
13529 (analyze_all_data_dependences): Adjust calls.
13530 * tree-data-ref.h (find_data_references_in_loop,
13531 compute_data_dependences_for_loop): Adjust declarations.
13532 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
13533 compute_data_dependences_for_loop.
13535 2006-03-29 Paul Brook <paul@codesourcery.com>
13537 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
13538 (movdf_vfp): Ditto.
13540 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13542 PR tree-optimization/26859
13543 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
13545 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
13546 for the step after fold_convert.
13548 2006-03-29 Paul Brook <paul@codesourcery.com>
13550 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
13551 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
13553 2006-03-29 Paul Brook <paul@codesourcery.com>
13555 PR middle-end/23623
13556 * targhooks.c (default_narrow_bitfield): New fuction.
13557 * targhooks.h (default_narrow_bitfield): add prototype.
13558 * target.h (gcc_target): Add narrow_volatile_bitfield.
13559 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13560 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
13561 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
13562 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13564 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
13566 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
13568 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
13569 (NR_C_MODES): Add TDmode, DDmode and SDmode.
13570 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
13571 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
13572 (s390_function_arg_float): Allow SDmode and DDmode values to be
13573 passed in floating point registers.
13574 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
13575 check with SCALAR_FLOAT_MODE_P.
13576 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
13578 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13580 PR tree-optimization/25985
13581 * tree-ssa-loop-niter.c (number_of_iterations_le,
13582 number_of_iterations_ne): Make comments more precise.
13583 (number_of_iterations_cond): Add only_exit argument. Use the
13584 fact that signed variables do not overflow only when only_exit
13586 (loop_only_exit_p): New.
13587 (number_of_iterations_exit): Pass result of loop_only_exit_p to
13588 number_of_iterations_cond.
13590 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13592 PR tree-optimization/26643
13593 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
13596 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
13598 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
13599 (divsi3_i4_int): Likewise.
13601 2006-03-28 Roger Sayle <roger@eyesopen.com>
13603 * expr.c (emit_group_store): Only create a new pseudo reg if the
13604 quantity it needs to hold isn't already a suitable pseudo.
13606 2006-03-28 Jeff Law <law@redhat.com>
13608 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
13609 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
13611 2006-03-28 Roger Sayle <roger@eyesopen.com>
13613 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
13614 the equivalent ~X & Y, and the symmetry related transformations.
13615 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
13616 ~X & Y, and symmetry related transforms.
13618 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13620 Revert my 2006-03-27 patches.
13622 2006-03-28 Roger Sayle <roger@eyesopen.com>
13624 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
13625 ~(T1)X, when T1 and T2 are integer types of the same precision
13626 and (T2)X isn't an extension.
13628 2006-03-28 Jeff Law <law@redhat.com>
13630 PR tree-optimization/26796
13631 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
13632 need EH edge cleanups rather than purging them immediately.
13633 (eliminate_degenerate_phis): Handle queued EH cleanups.
13635 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
13637 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
13640 2006-03-27 Roger Sayle <roger@eyesopen.com>
13642 PR middle-end/22524
13643 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
13644 cast BIT_NOT_EXPR operand to the correct type.
13646 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
13648 * tree-loop-linear.c: Don't include varray.h.
13649 (gather_interchange_stats, try_interchange_loops,
13650 linear_transform_loops): Use VEC instead of VARRAY.
13651 * lambda-mat.c: Don't include varray.h.
13652 * tree-chrec.c: Same.
13653 * lambda-trans.c: Same.
13654 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
13655 VEC instead of VARRAY.
13656 * tree-vectorizer.h: Idem.
13657 * tree-data-ref.c (dump_data_references,
13658 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
13659 initialize_data_dependence_relation, finalize_ddr_dependent,
13660 compute_all_dependences, find_data_references_in_loop,
13661 compute_data_dependences_for_loop, analyze_all_data_dependences,
13662 free_dependence_relation, free_dependence_relations,
13663 free_data_refs): Idem.
13664 * tree-data-ref.h (data_reference_p, subscript_p): New.
13665 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
13666 VEC instead of VARRAY.
13667 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
13668 (find_data_references_in_loop, compute_data_dependences_for_loop,
13669 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
13670 dump_data_dependence_relations, free_dependence_relations,
13671 free_data_refs): Adjust declaration.
13672 (lambda_transform_legal_p): Move declaration here...
13673 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
13674 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
13675 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
13676 vect_analyze_data_refs): Use VEC instead of VARRAY.
13677 * lambda.h (lambda_transform_legal_p): ...from here.
13678 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
13679 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
13680 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
13681 tree-chrec.o): Don't depend on VARRAY_H.
13683 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13685 * rtl.def (Copyright): Update date.
13686 (DEPS_LIST): Change type of the second operand to 'int'.
13687 * target.h (Copyright): Update date.
13688 (struct gcc_target.speculate_insn): Change type of the second parameter
13690 * lists.c (Copyright): Update date.
13691 (alloc_DEPS_LIST): Change signature. Update reference to the second
13692 operand of the DEPS_LIST.
13693 (copy_DEPS_LIST_list): Update reference to the second operand of the
13695 * rtl.h (Copyright): Update date.
13696 (alloc_DEPS_LIST): Update signature.
13697 * sched-int.h (Copyright): Update date.
13698 (ds_t): Change typedef to 'int'.
13699 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13701 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13703 * haifa-sched.c (Copyright): Update date.
13704 (try_ready): Change condition to restore non-speculative pattern
13705 of the instruction.
13706 (process_insn_depend_be_in_spec): Code to keep probability of the
13707 speculative dependence non-decreasing.
13709 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
13711 * regrename.c (replace_oldest_value_addr): Initialize a variable to
13712 shut up the compiler.
13714 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
13716 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
13717 to use lib prefix for target.
13718 ($(T)libic_invalidate_array_4-200.a): Likewise.
13719 ($(T)libic_invalidate_array_4a.a): Likewise.
13721 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13722 J"orn Rennecke <joern.rennecke@st.com>
13724 * superh.opt: New file.
13725 * sh.c (boardtype, osruntime): Remove.
13726 * superh.h (SUBTARGET_OPTIONS): Remove.
13727 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13729 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13730 arguments with ^ and/or [].
13732 * config.gcc (sh-*-*): Add quoting to account for quirk of
13734 Replace == with = in enable_incomplete_targets test.
13736 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13737 with MASK_LITTLE_ENDIAN.
13739 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13740 * config/sh/sh.opt: Added to some comments.
13741 * config/sh/superh.h: Removed some chaff.
13743 * config/sh/sh.opt: Add m4-[1234]00* options.
13744 * config/sh/sh.c (sh_handle_option): Likewise.
13745 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13746 (ic_invalidate_array_4-100.o): New rule.
13747 ($(T)libic_invalidate_array_4-100.a): Likewise.
13748 (ic_invalidate_array_4-200.o): Likewise.
13749 ($(T)libic_invalidate_array_4-200.a): Likewise.
13750 (ic_invalidate_array_4a.o): Likewise.
13751 ($(T)libic_invalidate_array_4a.a): Likewise.
13752 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13753 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13755 * config/sh/crt1.asm: Merged in profiling code.
13756 * config/sh/superh.h (STARTFILE_SPEC): Override.
13757 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13758 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13759 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13761 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13762 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13763 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13765 * sh.opt (mpretend-cmove): New option.
13766 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13767 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13768 (movsicc): Add TARGET_PRETEND_CMOVE code.
13770 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13772 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13773 s390_class_max_nregs): New function prototypes.
13774 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13775 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13776 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13777 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13779 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13781 * dwarf2out.c (add_location_or_const_value_attribute): Call
13782 tree_add_const_value_attribute if nothing else works.
13783 (reference_to_unused): New.
13784 (rtl_for_decl_init): Use reference_to_unused to decide whether
13785 to output an initializer.
13787 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13790 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13791 peephole removing spe frob_di_df_2.
13793 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13795 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13796 (subscript_dependence_tester_1): Declared.
13797 (print_dir_vectors, print_dist_vectors): New.
13798 (debug_data_dependence_relation): New.
13799 (dump_data_dependence_relation): Print more details.
13800 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13801 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13802 (save_dist_v, save_dir_v, add_outer_distances,
13803 build_classic_dist_vector_1): New.
13804 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13805 Don't test for lambda_vector_lexico_pos.
13806 (same_access_functions, add_multivariate_self_dist,
13807 add_other_self_distances, dir_from_dist): New.
13808 (build_classic_dir_vector): Replace implementation almost identical to
13809 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13811 (subscript_dependence_tester_1): New.
13812 (subscript_dependence_tester): Handle the lexicographically negative
13813 distance vectors by recomputing the dependence relation.
13814 (compute_affine_dependence): Remove parameter loop_nest_depth.
13815 (compute_self_dependence): Don't call compute_subscript_distance.
13816 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13817 Add a parameter for the loop_nest.
13818 (find_loop_nest_1, find_loop_nest): New.
13819 (compute_data_dependences_for_loop): Compute the loop nest, and give
13820 up if the nest is not well formed.
13821 * tree-data-ref.h (loop_p): New.
13822 (struct data_dependence_relation): Replace size_vect field with
13823 loop_nest, a vec of loops.
13824 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13825 (DDR_LOOP_NEST): New.
13826 (print_dir_vectors, print_dist_vectors,
13827 debug_data_dependence_relation): Declared.
13828 (index_in_loop_nest): New.
13829 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13830 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13833 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13835 * simplify-rtx.c (simplify_relational_operation): Call
13836 simplify_relational_operation_1 even if mode is VOIDmode.
13838 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13840 PR tree-optimization/26804
13841 * tree.h (DECL_CALL_CLOBBERED): New macro.
13842 (tree_decl_common): Add call_clobbered_flag.
13843 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13844 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13845 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13846 (mark_non_addressable): Ditto.
13847 * tree-ssa.c (verify_call_clobbered): New function.
13848 (verify_alias_info): Use it.
13849 * tree-pass.h (pass_reset_cc_flags): New prototype.
13850 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13851 (reset_cc_flags): New function.
13852 * passes.c (init_optimization_passes): Call reset_cc_flags after
13853 initializing referenced_vars.
13855 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13856 Roger Sayle <roger@eyesopen.com>
13858 PR middle-end/26717
13859 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13860 to 1.0 for non-real operands. Implement A / A optimization for
13863 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13865 * config/i386/i386.c (size_cost): Correct the comment for
13866 cost of storing fp registers.
13867 (i386_cost): Likewise.
13868 (i486_cost): Likewise.
13869 (pentium_cost): Likewise.
13870 (pentiumpro_cost): Likewise.
13871 (k6_cost): Likewise.
13872 (athlon_cost): Likewise.
13873 (k8_cost): Likewise.
13874 (pentium4_cost): Likewise.
13875 (nocona_cost): Likewise.
13876 (generic64_cost): Likewise.
13877 (generic32_cost): Likewise.
13879 2006-03-24 Denis Chertykov <denisc@overta.ru>
13881 * config/avr/avr-protos.h (extra_constraint): Delete.
13882 (extra_constraint_Q): New declaration.
13883 * config/avr/constraints.md: New file.
13884 * config/avr/avr.md: Include it.
13885 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13886 (TMP_REGNO, ZERO_REGNO): Likewise.
13887 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13888 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13889 (extra_constraint): Delete.
13890 (extra_constraint_Q): Test for memory constraint 'Q'.
13891 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13892 (REG_CLASS_FROM_LETTER): Delete.
13893 (CONST_OK_FOR_LETTER_P): Delete.
13894 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13895 (EXTRA_CONSTRAINT): Delete.
13896 (TMP_REGNO): Delete.
13897 (ZERO_REGNO): Delete.
13899 2006-03-24 Jeff Law <law@redhat.com>
13901 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13902 directly. Call mark_new_vars_to_rename slightly earlier.
13904 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13906 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13907 (is_cxx): Likewise.
13908 (gen_compile_unit_die): Use new language types for Objective-C and
13910 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13911 DW_LANG_C_plus_plus.
13914 * config/t-darwin (crt3.o): Work around bug 26840.
13915 * config/darwin-crt3.c: Rewrite.
13916 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13918 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13920 * doc/invoke.texi: Document -femit-class-debug-always
13921 * common.opt: Add -femit-class-debug-always.
13923 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13925 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13926 index and base register.
13927 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13928 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13929 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
13930 REGNO_OK_FOR_INDEX_P.
13931 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
13933 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
13934 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
13935 REG_OK_FOR_BASE_P): Definitions removed.
13937 2006-03-24 Jakub Jelinek <jakub@redhat.com>
13939 PR middle-end/26611
13940 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
13941 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
13942 set yet or weren't marked as local yet.
13944 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
13946 * regrename.c (scan_rtx_address): Initialize a variable to shut up
13949 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
13951 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
13952 (rs6000_legitimate_small_data_p): Delete.
13953 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
13954 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
13955 and make static. Add forward declaration. Update uses.
13956 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
13957 of offsettable_memref_p.
13958 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
13959 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
13961 2006-03-24 Jeff Law <law@redhat.com>
13963 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
13964 around bug in immediate-use iterator.
13966 2006-03-24 Alan Modra <amodra@bigpond.net.au>
13969 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
13970 or __LITTLE_ENDIAN__.
13972 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
13974 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
13975 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
13976 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
13977 * config/sh/sh.opt (mdiv=): Amend description.
13978 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
13979 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
13980 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
13981 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
13982 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
13983 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
13984 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
13985 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
13986 TARGET_DIVIDE_CALL_FP.
13988 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13990 * haifa-sched.c (choose_ready): Fix type of the local variable.
13991 Move local variables. Add comment.
13992 (check_reg_live): Change signature. Make callable from debugger.
13993 * sched-int.h (check_reg_live): Update signature.
13994 * sched-ebb.c (check_reg_live): Update parameters.
13995 * sched-rgn.c (check_reg_live): Ditto.
13996 (region_head_or_leaf_p): Check pointer before dereferencing.
13997 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
13998 before reload on optimization levels below 1.
14000 2006-03-23 Richard Henderson <rth@redhat.com>
14002 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
14006 * config/alpha/predicates.md (local_symbolic_operand): Reject
14009 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
14012 * tree-ssa-pre.c (create_value_expr_from): Don't reject
14013 expressions which have overflowed constants.
14015 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14017 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
14019 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
14021 * cfgloopmanip.c (create_loop_notes): Removed.
14022 * final.c (final_scan_insn): Do not handle loop notes.
14023 * jump.c (squeeze_notes): Ditto.
14024 * cfglayout.c (skip_insns_after_block,
14025 duplicate_insn_chain): Ditto.
14026 * cfgcleanup.c (rest_of_handle_jump2): Do not call
14028 * cfgloop.h (create_loop_notes): Declaration removed.
14030 2006-03-23 Richard Sandiford <richard@codesourcery.com>
14032 * varasm.c (output_constant_pool): Restore fnname and fndecl
14034 (assemble_start_function): Adjust call accordingly.
14035 (assemble_end_function): Likewise.
14037 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14040 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
14043 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
14045 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
14048 * system.h (ICE_EXIT_CODE): New macro.
14049 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
14050 (diagnostic_action_after_output): Likewise.
14051 * gcc.c (fatal_ice): New function.
14052 (execute): Use it instead of fatal.
14053 (fancy_abort): Likewise.
14054 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
14056 2006-03-22 Jeff Law <law@redhat.com>
14058 * loop-unroll.c (analyze_iv_to_split_insn): Handle
14059 iv_analyze_result returning false.
14061 2006-03-22 Jie Zhang <jie.zhang@analog.com>
14063 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
14065 2006-03-22 Richard Henderson <rth@redhat.com>
14067 PR middle-end/26084
14068 * except.c (duplicate_eh_regions_0): New.
14069 (duplicate_eh_region_1): Duplicate the children of the node as
14070 well as the node itself. Link them up properly.
14071 (duplicate_eh_region_2): Merge into ...
14072 (duplicate_eh_regions): ... here. Take copy_region argument, and
14073 copy only a sub-tree if asked. Simplify copying and fixup.
14074 (eh_region_outer_p): New.
14075 * except.h (duplicate_eh_regions): Update decl.
14076 (eh_region_outer_p): Declare.
14077 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
14078 (lower_omp_master): Likewise.
14079 (lower_omp_ordered): Likewise.
14080 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
14081 (move_stmt_r): Use it to remap labels. Handle recursion vs
14082 remap_decls_p properly.
14083 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
14084 (find_outermost_region_in_block): New.
14085 (new_label_mapper): New.
14086 (move_sese_region_to_fn): Copy eh information to the new function
14088 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
14090 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
14093 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14095 * doc/md.texi (-mshared): Mention that -mshared code can be linked
14096 into shared libraries.
14098 2006-03-22 Richard Sandiford <richard@codesourcery.com>
14100 * doc/md.texi: Refer to i386/constraints.md instead of
14101 i386/predicates.md.
14102 * config/i386/constraints.md: New file, extracted from...
14103 * config/i386/predicates.md: ...here.
14104 * config/i386/i386.md: Include constraints.md.
14106 2006-03-21 Jason Merrill <jason@redhat.com>
14108 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
14110 PR middle-end/20297
14111 * expr.c (init_block_move_fn): Force default visibility.
14112 (init_block_clear_fn): Likewise.
14113 * builtins.c (expand_builtin_fork_or_exec): Likewise.
14114 * targhooks.c (default_external_stack_protect_fail): Likewise.
14116 2006-03-21 Richard Sandiford <richard@codesourcery.com>
14118 * config/mips/predicates.md (const_call_insn_operand): Allow direct
14119 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
14120 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
14121 Use TARGET_OLDABI instead of !TARGET_NEWABI.
14122 (loadgp): Use mips_current_loadgp_style.
14123 (loadgp_noshared): New pattern.
14124 (sibcall_internal): Use MIPS_CALL.
14125 (sibcall_value_internal): Likewise.
14126 (sibcall_value_multiple_internal): Likewise.
14127 (call_internal): Likewise.
14128 (call_value_internal): Likewise.
14129 (call_value_multiple_internal): Likewise.
14130 (call_split): Use MIPS_CALL and add an 'S' constraint.
14131 (call_value_split): Likewise.
14132 (call_value_multiple_split): Likewise.
14133 * config/mips/mips.opt (-mabicalls): Tweak docstring.
14134 (-mshared): New option.
14135 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
14136 (mips_current_loadgp_style): Declare.
14137 * config/mips/mips.c (mips_classify_symbol): Avoid using
14138 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
14139 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
14140 TARGET_ABSOLUTE_ABICALLS.
14141 (override_options): Adjust comments. Improve the warning that is
14142 issued when -mabicalls and -G are used together.
14143 (mips_file_start): Remove comment.
14144 (mips_current_loadgp_style): New function.
14145 (mips_gnu_local_gp): New variable.
14146 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
14148 (mips_output_function_prologue): Use mips_current_laodgp_style.
14149 (mips_expand_prologue): Call mips_emit_loadgp before emitting
14150 the cprestore instruction.
14151 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
14152 live for TARGET_ABSOLUTE_ABICALLS.
14153 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
14154 (ASM_SPEC): Pass down -mshared and -mno-shared.
14155 (MIPS_CALL): New macro.
14156 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
14158 * doc/invoke.texi (-mabicalls): Update documentation.
14159 (-mshared): Document.
14161 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14163 * config/ia64/unwind-hpux.c: New file.
14164 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
14166 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14169 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
14171 2006-03-21 Jeff Law <law@redhat.com>
14173 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
14174 type conversions of a VR_VARYING source to a wider type.
14176 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
14178 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
14179 tm_file on Solaris 10 and later.
14180 (sparc64-*-solaris2*): Likewise.
14181 (sparc-*-solaris2*): Likewise.
14182 * config/sol26.h: Rename to config/sol2-6.h.
14183 * config/sol2-10.h: New file.
14185 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
14188 * tree-ssa-pre.c (create_component_ref_by_pieces):
14191 2006-03-21 Jakub Jelinek <jakub@redhat.com>
14194 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
14195 return it immediately.
14197 2006-03-21 Michael Matz <matz@suse.de>
14199 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
14201 (remove_arc, add_arc): Update num_out_arcs member.
14202 (set_out_arc_insns_equiv_num): Returns nothing instead of number
14204 (cache_presence): New function.
14205 (compare_states_for_equiv): New function.
14206 (state_is_differed): Don't take number of outargs, adjust callers.
14207 Use new invariant for speeding up.
14208 (init_equiv_class): Create initial classes based on sorted
14210 (partition_equiv_class): Don't track out_arcs_num.
14211 (evaluate_equiv_classes): Call cache_presence on all states and
14214 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
14216 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
14217 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
14218 (bfin_valid_reg_p): Test for pseudos explicitly and use only
14219 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
14221 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
14222 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
14223 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
14224 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
14225 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
14227 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
14228 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
14229 (REGNO_REG_CLASS): ARGP is in PREGS.
14230 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
14232 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
14233 to deal with those addresses.
14234 * addresses.h: New file.
14235 * caller-save.c: Include "addresses.h".
14236 (init_caller_save): Use new base_reg_class function.
14237 * rtl-factoring.c: Include "addresses.h".
14238 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
14239 * recog.c: Include "addresses.h".
14240 (preprocess_constraints): Use new base_reg_class function.
14241 * regrename.c: Include "addresses.h".
14242 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
14243 functions. Keep track of a new var INDEX_CODE to compute valid
14245 (replace_oldest_value_addr): Likewise.
14246 (replace_oldest_value_mem): Use base_reg_class.
14247 * reload.c: Include "addresses.h".
14248 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
14249 (find_reloads): Use new base_reg_class function.
14250 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
14251 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
14252 all callers and prototype changed.
14253 * reload1.c: Include "addresses.h".
14254 (maybe_fix_stack_asms): Use base_reg_class.
14255 * regclass.c: Include "addresses.h".
14256 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
14257 (init_reg_autoinc): Use new base_reg_class function.
14258 (record_reg_classes): Likewise.
14259 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
14260 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
14261 Use new args to compute necessary class.
14263 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
14264 regrename.o, rtl-factoring.o): Update dependencies.
14265 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
14266 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
14267 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
14268 REG_OK_FOR_INDEX_P): Delete documentation.
14270 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
14272 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
14273 from V7 to V9 for Solaris 7 and above.
14275 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
14277 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
14278 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
14279 argument pointers may not alias any other storage.
14280 * common.opt: Define option -fargument-noalias-anything.
14281 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
14282 alias semantics is specified by flag_argument_noalias > 2.
14284 2006-03-20 Jeff Law <law@redhat.com>
14286 * tree-pass.h (pass_phi_only_copy_prop): Delete.
14287 (pass_phi_only_cprop): Declare.
14288 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
14289 with phi_only_cprop
14290 * tree-ssa-dom.c (degenerate_phi_result): New function.
14291 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
14292 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
14293 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
14294 (eliminate_degenerate_phis): Likewise.
14295 (pass_phi_only_cprop): New pass descriptor.
14296 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
14297 support code. Callers updated.
14298 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
14299 (store_copy_prop): Likewise.
14300 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
14302 2006-03-20 Jason Merrill <jason@redhat.com>
14305 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
14306 (push_visibility, pop_visibility): Likewise.
14307 * c-pragma.h: Declare them.
14309 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
14311 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
14313 * config/sh/sh.c (find_regmode_weight): Change the type of the first
14314 parameter and use get_ebb_head_tail.
14315 (sh_md_init_global): Adjust uses of find_regmode_weight.
14317 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
14319 * function.h (struct function) <x_tail_recursion_reentry>:
14320 Rename to x_stack_check_probe_note.
14321 (tail_recursion_reentry): Rename to stack_check_probe_note.
14322 * function.c: Replace tail_recursion_reentry with
14323 stack_check_probe_note everywhere.
14324 (expand_function_start): Only emit a note for
14325 stack_check_probe_note with -fstack-protect.
14326 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
14328 * emit-rtl.c (remove_unnecessary_notes): Remove.
14329 (pass_remove_unnecessary_notes): Remove.
14330 * rtl.h (remove_unnecessary_notes): Remove prototype.
14331 * final.c (final_start_function): Don't call remove_unnecessary_notes.
14332 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
14333 * passes.c (pass_remove_unnecessary_notes): Don't run it.
14335 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
14338 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
14339 (valid_in_set): Handle ARRAY_REF.
14340 Change "if min_variant or VH" to asserts.
14341 (create_component_ref_by_pieces): Handle ARRAY_REF.
14342 (create_expression_by_pieces): Likewise.
14343 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
14345 2006-03-20 David Edelsohn <edelsohn@gnu.org>
14347 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
14348 is operand of switch, not str[0].
14350 2006-03-20 Alan Modra <amodra@bigpond.net.au>
14352 * config/rs6000/rs6000.c (rs6000_handle_option): Use
14353 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
14355 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14357 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
14358 end of insn_extra_address_constraint declaration.
14360 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14362 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
14363 (no-sum-in-toc): Same.
14364 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
14366 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
14367 NO_FP_IN_TOC for -fPIC instead of mask.
14369 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
14370 (BOOT_LDFLAGS): Delete.
14372 * config/rs6000/t-aix52: Same.
14374 * config/rs6000/rs6000.md (store_multiple_power): Delete.
14375 (stmsi[345678]_power): New.
14377 2006-03-17 Steve Ellcey <sje@cup.hp.com>
14379 * config/ia64/ia64.opt: Add empty line to end of file.
14381 2006-03-17 Richard Guenther <rguenther@suse.de>
14383 PR middle-end/26721
14384 * builtins.c (get_pointer_alignment): For component style references
14385 adjust alignment to the component type alignment. Make sure
14386 to adjust alignment for component access of constants.
14388 2006-03-17 David Edelsohn <edelsohn@gnu.org>
14390 * config/rs6000/rs6000.md (strlensi): Emit barrier after
14391 unconditional jump.
14393 2006-03-17 Paul Brook <paul@codesourcery.com>
14395 * doc/install.texi: Docuemnt --with-mode.
14396 * config.gcc: Add --with-mode for arm*-*-*.
14397 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
14399 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
14401 * sh.c (max_labelno_before_reorg): New variable.
14402 (sh_reorg): Initialize it.
14403 (find_barrier): Check max_labelno_before_reorg before using
14404 label_to_alignment. Take length of explicit alignment insns
14405 into account. When seeing a UNSPECV_CONST_END, return it.
14407 * sh.c (fixup_mova): Set mode of affected label to QImode.
14408 (untangle_mova): New function.
14409 (find_barrier): Use it. Check mode of label before decrementing
14411 (sh_reorg): Likewise.
14412 Set mode of all insns back to VOIDmode.
14414 * sh.c (MOVA_LABELREF): New macro.
14415 (mova_p, fixup_mova, sh_reorg): Use it.
14416 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
14417 ADDR_DIFF_VEC matches mova.
14419 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
14421 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
14422 with ATTRIBUTE_UNUSED.
14424 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
14426 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
14427 pointer, instead of assuming it is possible to derive the
14428 correct args size from a call insn.
14430 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14432 * rtl.h (CONST_INT_P): Define.
14433 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
14434 instead of GET_CODE(x) == CONST_INT.
14435 (vax_rtx_costs): Likewise.
14436 (vax_output_int_move): Likewise.
14437 (vax_output_int_add): Likewise.
14438 (legitimate_constant_address_p): Likewise.
14439 (index_term_p): Likewise.
14440 * config/vax/vax.h (PRINT_OPERAND): Likewise.
14441 * config/vax/vax.md (and<mode>3): Likewise.
14442 (ashrsi3): Likewise.
14444 (movstricthi): Likewise.
14445 (movstrictqi): Likewise.
14446 (rotrsi3): Likewise.
14447 (five unnamed insns): Likewise.
14449 2006-03-16 Geoffrey Keating <geoffk@apple.com>
14451 * doc/tm.texi (SDB and DWARF): Add extra parameter to
14452 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
14453 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
14454 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
14455 Pass to ASM_OUTPUT_DWARF_OFFSET.
14456 * dwarf2out.c (debug_frame_section): New.
14457 (output_call_frame_info): Use debug_frame_section. Pass it to
14458 dw2_asm_output_offset.
14459 (output_die): Pass appropriate section to dw2_asm_output_offset.
14460 (output_compilation_unit_header): Likewise.
14461 (output_pubnames): Likewise.
14462 (output_aranges): Likewise.
14463 (enum dw_val_class): Break dw_val_class_lbl_offset into
14464 dw_val_class_lineptr and dw_val_class_macptr.
14465 (add_AT_lbl_offset): Delete.
14466 (add_AT_lineptr): New.
14467 (add_AT_macptr): New.
14468 (AT_lbl): Expect a lineptr or macptr.
14469 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
14470 (attr_checksum): Likewise.
14471 (same_dw_val_p): Likewise.
14472 (size_of_die): Likewise.
14473 (value_format): Likewise.
14474 (output_die): Likewise.
14475 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
14477 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14478 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
14479 * config/darwin-protos.h (darwin_file_start): New.
14480 (darwin_asm_output_dwarf_offset): New.
14481 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14482 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
14484 * config/darwin.c (darwin_emit_unwind_label): Don't output label
14485 if not EH section; simplify.
14486 (darwin_file_start): New.
14487 (darwin_asm_output_dwarf_offset): New.
14488 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
14490 (DEBUG_INFO_SECTION): Likewise.
14491 (DEBUG_ABBREV_SECTION): Likewise.
14492 (DEBUG_ARANGES_SECTION): Likewise.
14493 (DEBUG_MACINFO_SECTION): Likewise.
14494 (DEBUG_LINE_SECTION): Likewise.
14495 (DEBUG_LOC_SECTION): Likewise.
14496 (DEBUG_PUBNAMES_SECTION): Likewise.
14497 (DEBUG_STR_SECTION): Likewise.
14498 (DEBUG_RANGES_SECTION): Likewise.
14499 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
14500 (ASM_OUTPUT_DWARF_OFFSET): New.
14502 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
14504 * config.gcc (tm_defines): Always add to previous value rather
14507 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14509 * config/mips/predicates.md (splittable_const_int_operand): New,
14510 split from move_operand.
14511 (splittable_symbolic_operand): New.
14512 (move_operand): Add commentary. Use splittable_const_int_operand.
14513 Inline mips_atomic_symbolic_constant_p.
14514 * config/mips/mips.md: Add combine splitters for handling moves
14515 of splittable_const_int_operands and splittable_symbolic_operands.
14516 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
14517 (mips_split_symbol): Declare.
14518 (mips_move_integer): Declare.
14519 * config/mips/mips.c (mips_split_p): Make global.
14520 (TARGET_MIN_ANCHOR_OFFSET): Override default.
14521 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14522 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14523 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
14524 (mips_offset_within_object_p): Handle block symbols.
14525 (mips_atomic_symbolic_constant_p): Delete.
14526 (mips_cannot_force_const_mem): Return false for constants that
14527 mips_legitimize_move can handle.
14528 (mips_use_blocks_for_constant_p): New function.
14529 (mips_split_symbol): Make global.
14530 (mips_move_integer): Likewise. Add a temporary register argument.
14531 (mips_legitimize_const_move): Use splittable_const_int_operand and
14532 splittable_symbolic_operand.
14533 (mips_use_anchors_for_symbol_p): New function.
14534 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
14535 (mips_split_p): Declare.
14537 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14539 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
14540 (mips*-*-linux*): Likewise.
14542 2006-03-16 Roger Sayle <roger@eyesopen.com>
14543 Daniel Speyer <dspeyer@wam.umd.edu>
14545 PR middle-end/18259
14546 * tree-dump.c (dump_real): New function.
14547 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
14548 * Makefile.in (REAL_H): New macro for dependencies on real.h.
14549 (tree-dump.o): Add $(REAL_H) to the dependencies.
14551 2006-03-16 Roger Sayle <roger@eyesopen.com>
14553 PR middle-end/21781
14554 * real.c (real_from_string): If the mantissa is zero, don't bother
14555 parsing the exponent as the result should always be zero.
14557 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
14559 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
14561 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14563 * config/ia64/ia64.c (stops_p): Added explicit initialization.
14564 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
14565 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
14566 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
14567 ia64_sched_finish_global): New static functions to implement
14568 hooks from gcc_target.sched.
14569 (spec_check_no, max_uid, pending_data_specs): New static variables.
14570 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
14571 ia64_spec_check_src_p): New static functions.
14572 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
14573 (TARGET_SCHED_ADJUST_COST): Removed.
14574 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
14575 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
14576 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14577 TARGET_SCHED_GEN_CHECK,
14578 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14579 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
14580 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
14581 Fixed to handle speculation checks.
14582 (rtx_needs_barrier): Fixed to handle speculative loads and
14584 (ia64_variable_issue): Added code to count speculative loads and their
14586 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
14588 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
14590 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
14592 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
14593 (ia64_reorg): Reset stops_p to NULL after it is freed.
14594 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
14595 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
14596 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
14598 (data_speculative, control_speculative, check_load): New attributes.
14599 (mov<mode>_advanced, mov<mode>_speculative,
14600 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
14601 zero_extend<mode>di2_speculative,
14602 zero_extend<mode>di2_speculative_advanced): New patterns for
14603 data and control speculative loads.
14604 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
14606 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
14607 New pattern for data and control speculation checks.
14608 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
14609 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
14610 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
14611 Auxiliary definitions for the patterns.
14612 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
14613 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
14615 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
14617 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
14618 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
14619 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
14620 New resource constraints.
14621 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
14623 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
14624 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
14625 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14626 msched-in-control-spec, msched-ldc, msched-control-ldc,
14627 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14628 msched-prefer-non-control-spec-insns,
14629 msched-count-spec-in-critical-path): New flags to tune speculative
14631 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
14632 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14633 msched-in-control-spec, msched-ldc, msched-control-ldc,
14634 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14635 msched-prefer-non-control-spec-insns,
14636 msched-count-spec-in-critical-path): Document new flags.
14638 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14640 * target.h (struct spec_info_def): New opaque declaration.
14641 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
14642 speculate_insn, needs_block_p, gen_check,
14643 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
14644 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
14645 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
14646 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
14647 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14648 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
14650 (TARGET_SCHED): Use new macros.
14651 * rtl.h (copy_DEPS_LIST_list): New prototype.
14652 * sched-int.h (struct sched_info): Change signature of new_ready field,
14653 adjust all initializations. New fields: add_remove_insn,
14654 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
14655 region_head_or_leaf_p.
14656 (struct spec_info_def): New structure declaration.
14657 (spec_info_t): New typedef.
14658 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
14659 recovery_block, orig_pat.
14660 (glat_start, glat_end): New variables declaraions.
14661 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
14663 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
14664 DETACH_LIFE_INFO, USE_GLAT.
14665 (enum SPEC_SCHED_FLAGS): New enumeration.
14666 (NOTE_NOTE_BB_P): New macro.
14667 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
14668 attach_life_info, debug_spec_status, check_reg_live): New functions.
14669 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
14670 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
14672 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
14673 * ddg.c (get_block_head_tail): Adjust all uses.
14674 * modulo-sched.c (get_block_head_tail): Adjust all uses.
14675 (sms_sched_info): Initialize new fields.
14676 (contributes_to_priority): Removed.
14677 * haifa-sched.c (params.h): New include.
14678 (get_block_head_tail): Adjust all uses.
14679 (ISSUE_POINTS): New macro.
14680 (glat_start, glat_end): New global variables.
14681 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
14682 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
14683 old_last_basic_block, before_recovery, current_sched_info_var,
14684 rgn_n_insns, luid): New static variables.
14685 (insn_cost1): New function. Move logic from insn_cost to here.
14686 (find_insn_reg_weight1): New function. Move logic from
14687 find_insn_reg_weight to here.
14688 (reemit_notes, move_insn, max_issue): Change signature.
14689 (move_insn1): Removed.
14690 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
14691 extend_bb): New static functions to support extension of scheduler's
14693 (generate_recovery_code, process_insn_depend_be_in_spec,
14694 begin_speculative_block, add_to_speculative_block,
14695 init_before_recovery, create_recovery_block, create_check_block_twin,
14696 fix_recovery_deps): New static functions to support
14697 generation of recovery code.
14698 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
14699 restore_bb_notes, move_block_after_check, move_succs): New static
14700 functions to support ebb scheduling.
14701 (init_glat, init_glat1, attach_life_info1, free_glat): New static
14702 functions to support handling of register live information.
14703 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
14704 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
14705 add_jump_dependencies): New static functions.
14706 (check_cfg, has_edge_p, check_sched_flags): New static functions for
14707 consistancy checking.
14708 (debug_spec_status): New function to call from debugger.
14709 (priority): Added code to handle speculation checks.
14710 (rank_for_schedule): Added code to distinguish speculative instructions.
14711 (schedule_insn): Added code to handle speculation checks.
14712 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
14713 Fixed to handle ebbs.
14714 (move_insn): Added code to handle ebb scheduling.
14715 (max_issue): Added code to use ISSUE_POINTS of instructions.
14716 (choose_ready): Added code to choose between speculative and
14717 non-speculative instructions.
14718 (schedule_block): Added code to handle ebb scheduling and scheduling of
14719 speculative instructions.
14720 (sched_init): Initialize new variables.
14721 (sched_finish): Free new variables. Print statistics.
14722 (try_ready): Added code to handle speculative instructions.
14723 * lists.c (copy_DEPS_LIST_list): New function.
14724 * sched-deps.c (extend_dependency_caches): New function. Move logic
14725 from create_dependency_caches to here.
14726 (get_dep_weak, ds_merge): Make global.
14727 * genattr.c (main): Code to output prototype for
14728 dfa_clear_single_insn_cache.
14729 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14730 (output_dfa_clean_insn_cache_func): Code to output
14731 dfa_clear_single_insn_cache function.
14732 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14734 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14736 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14737 New static variables.
14738 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14739 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14741 (ebb_sched_info): Initialize new fields.
14742 (get_block_head_tail): Adjust all uses.
14743 (compute_jump_reg_dependencies): Fixed to use glat_start.
14744 (schedule_ebb): Code to remove unreachable last block.
14745 (schedule_ebbs): Added code to update register live information.
14746 * sched-rgn.c (region_sched_info): Initialize new fields.
14747 (get_block_head_tail): Adjust all uses.
14748 (last_was_jump): Removed. Adjust users.
14749 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14750 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14751 Implement new hooks.
14752 (check_dead_notes1): New static function.
14753 (struct region): New fields: dont_calc_deps, has_real_ebb.
14754 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14755 (BB_TO_BLOCK): Fixed to handle EBBs.
14756 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14757 (ebb_head): New static variable.
14758 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14759 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14761 (compute_dom_prob_ps): New assertion.
14762 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14763 global_live_at_start.
14764 (init_ready_list): New assertions.
14765 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14766 (new_ready): Add support for BEGIN_CONTROL speculation.
14767 (schedule_insns): Fixed code that updates register live information
14769 (schedule_region): Fixed to handle EBBs.
14770 (init_regions): Use extend_regions and check_dead_notes1.
14771 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14772 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14773 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14774 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14775 TARGET_SCHED_GEN_CHECK,
14776 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14777 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14778 * doc/invoke.texi (max-sched-insn-conflict-delay,
14779 sched-spec-prob-cutoff): Document.
14781 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14783 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14784 inter_tick, queue_index.
14785 (struct sched_info): Change signature of init_ready_list field.
14786 Adjust all initializations.
14787 (RESOLVED_DEPS): New access macro.
14788 (ready_add): Remove prototype.
14789 (try_ready): Add prototype.
14790 * sched-rgn.c (init_ready_list): Use try_ready.
14791 (schedule_region): Initialize
14792 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14793 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14794 (init_ready_list): Use try_ready.
14795 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14796 * lists.c (remove_list_elem): Remove `static'.
14797 (remove_free_INSN_LIST_elem): New function.
14798 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14799 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14800 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14802 (readyp): New variable.
14803 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14804 change_queue_index, resolve_dep): New static functions.
14805 (try_ready): New function. Adjust callers in sched-rgn.c and
14806 sched-ebb.c to use it instead of ready_add.
14807 (clock_var): Move at the begining of file.
14808 (rank_for_schedule): Fix typo.
14809 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14810 (ready_lastpos): Enforce assertion.
14811 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14812 update all callers.
14813 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14814 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14815 (queue_to_ready): Use free_INSN_LIST_list.
14816 (early_queue_to_ready): Fix typo.
14817 (schedule_block): Init readyp. Move init_ready_list call after the
14818 initialization of clock_var. Fix error in rejecting insn by
14819 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14820 that previously corrected INSN_TICKs. Add code for handling
14822 (set_priorities): Fix typo.
14823 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14824 Clarify comment and code that keeps current_sched_info->next_tail
14827 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14829 * sched-rgn.c (extend_rgns): New static function.
14830 (find_rgns): Use it.
14831 (gather_region_statistics, print_region_statistics): New static
14833 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14834 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14836 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14837 Andrey Belevantsev <abel@ispras.ru>
14839 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14840 * lists.c (unused_deps_list): New variable.
14841 (free_list): Add assertions to verify the proper distinguishing
14842 between INSN_LISTs and DEPS_LISTs.
14843 (find_list_elem, remove_list_elem, remove_list_node): New static
14845 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14846 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14847 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14848 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14850 (free_INSN_LIST_node): Likewise.
14851 * modulo-sched.c (current_sched_info): Initialize flags field.
14852 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14853 * rtl.def (DEPS_LIST): Define.
14854 * rtl.h: Declare new functions from lists.c.
14855 * sched-deps.c (spec_dependency_cache): New static variable.
14856 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14857 (add_dependence): Change return type to void. Move the logic to ...
14858 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14859 (delete_all_dependences): Add comment about forward_dependency_cache.
14860 Handle spec_dependency_cache. Handle DEPS_LISTs.
14861 (fixup_sched_groups): Clarify the change of priority of output
14862 and anti dependencies.
14863 (sched_analyze_2): Adjust add_dependence calls to create data
14864 speculative dependence.
14865 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14866 Adjust all callers. Handle DEPS_LISTS.
14867 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14868 presence of speculation.
14869 (init_dependency_caches, free_dependency_caches):
14870 Handle spec_dependency_cache.
14871 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14872 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14873 New static functions.
14874 (add_or_update_back_dep, add_or_update_back_forw_dep,
14875 add_back_forw_dep, delete_back_forw_dep): New functions.
14876 * sched-int.h (ds_t, dw_t): New typedefs.
14877 (struct sched_info): Add new field flags.
14878 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14879 Prototype new sched-deps.c functions.
14880 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14881 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14882 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14883 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14884 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14885 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14887 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14889 * sched-rgn.c (current_sched_info): Initialize flags field.
14890 (schedule_insns): Initialize current_sched_info before the sched_init
14892 * sched-ebb.c (current_sched_info): Initialize flags field.
14893 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14894 Call add_or_update_back_dep instead of add_dependence.
14895 Create control speculative dependencies.
14896 (schedule_insns): Initialize current_sched_info before the sched_init
14899 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14901 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14903 (sh_fallback_frame_state): Likewise.
14905 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14907 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14908 Do switch on default_use_cxa_atexit.
14909 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14910 * config/darwin-crt3.o: New.
14911 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14912 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14913 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14915 * config/rs6000/t-darwin: Move crt2.o building to here.
14916 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14917 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14920 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14922 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14923 from '! xxx' to '!xxx' for coding-style conformance.
14924 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14925 (EXTRA_CONSTRAINT): Likewise.
14926 * config/vax/vax.md (four unnamed insns): Likewise.
14928 2006-03-15 Paul Brook <paul@codesourcery.com>
14930 * config/arm/arm.c (minipool_pad): New.
14931 (add_minipool_forward_ref): Include pool alignment padding in address
14933 (push_minipool_fix): Set minipool_pad.
14934 (minipool_pad): Ditto.
14936 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14938 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
14939 instead of GET_CODE() == MEM and REG_P() instead of
14941 (print_operand_address): Likewise.
14942 (vax_address_cost): Likewise.
14943 (vax_rtx_costs): Likewise.
14944 (vax_notice_update_cc): Likewise.
14945 (vax_output_int_add): Likewise.
14946 (INDEX_REGISTER_P): Likewise.
14947 (BASE_REGISTER_P): Likewise.
14948 (nonindexed_address_p): Likewise.
14949 (vax_mode_dependent_address_p): Likewise.
14950 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
14951 (PRINT_OPERAND): Likewise.
14952 * config/vax/vax.md (ashlsi3): Likewise.
14953 (ashlsi3): Likewise.
14954 (some more unnamed insns): Likewise.
14956 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
14958 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
14959 iterator-style macro.
14960 (mark_control_dependent_edges_necessary): Update the use of
14961 EXECUTE_IF_CONTROL_DEPENDENT.
14963 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
14965 * config/sh/predicates.md (cache_address_operand): Special.
14966 (ua_address_operand): Likewise.
14968 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
14970 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
14972 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
14974 2006-03-15 Andreas Schwab <schwab@suse.de>
14976 * gensupport.c (identify_predicable_attribute): Don't free p_false
14977 when it is still in use.
14979 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
14981 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
14982 the default setting here.
14984 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
14986 * tree-pass.h (pass_cfg): Remove.
14987 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
14988 * passes.c (pass_cfg): Don't run it.
14990 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
14992 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
14993 * reg-stack.c (stack_regs_mentioned_data): Change the type to
14995 (stack_regs_mentioned): Update the uses of
14996 stack_regs_mentioned_data. Don't access the array beyond its
14998 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
14999 Don't include gt-reg-stack.h.
15001 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
15002 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
15004 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
15006 PR middle-end/26684
15007 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
15010 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15012 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
15014 2006-03-14 Richard Guenther <rguenther@suse.de>
15016 PR tree-optimization/26672
15017 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
15020 2006-03-14 Richard Guenther <rguenther@suse.de>
15022 PR tree-optimization/26667
15023 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
15024 node for the callees. Always allow inlining if it will shrink
15027 2006-03-14 Richard Guenther <rguenther@suse.de>
15029 PR middle-end/26659
15030 * builtins.c (get_pointer_alignment): Prefer alignment
15031 information from decls over that from types.
15033 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
15036 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
15038 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
15040 * config/rs6000/rs6000.opt (mdlmzb): New option.
15041 (msched-prolog, msched-epilog): Use Var not Mask.
15042 * doc/invoke.texi (-mdlmzb): Document.
15043 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
15045 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
15046 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
15048 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
15050 PR rtl-optimization/25739
15051 * bt-load.c (augment_live_range): Free tos pointer.
15053 * gensupport.c (identify_predicable_attribute): Free
15055 * gcov.c (create_file_names): Free name pointer.
15057 2006-03-13 Roger Sayle <roger@eyesopen.com>
15059 PR middle-end/26557
15060 * stmt.c (emit_case_nodes): Handle the case where the index is a
15061 CONST_INT, where the comparison mode is specified by the index type.
15063 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15065 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
15068 2006-03-13 Richard Sandiford <richard@codesourcery.com>
15070 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
15071 (*branch_fp_inverted): Likewise.
15073 2006-03-13 Jakub Jelinek <jakub@redhat.com>
15075 PR middle-end/25989
15076 * omp-low.c (expand_omp_for_generic): Mark istart0
15077 and iend0 as addressable.
15079 2006-03-13 Jie Zhang <jie.zhang@analog.com>
15081 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
15083 2006-03-13 Jeff Law <law@redhat.com>
15085 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
15086 virtual operands are interesting.
15087 (vrp_visit_stmt): Corresponding changes.
15089 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
15091 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
15093 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
15094 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
15095 * config/bfin/crti.S: Use it instead of __PIC__.
15096 * config/bfin/crtn.S: Likewise.
15098 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
15099 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
15101 Lose 'G' modifier for call operand.
15102 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
15103 recognize 'G' modifier.
15105 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
15107 PR middle-end/18859
15108 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
15109 * stmt.c (expand_case): Likewise.
15111 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15113 PR rtl-optimization/26254
15114 * loop-invariant.c (seq_insns_valid_p): New function.
15115 (move_invariant_reg): Only emit new code if it is valid.
15117 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15119 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
15121 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
15122 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
15123 (commit_one_edge_insertion): Do not look for loop notes.
15125 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15127 * jump.c (follow_jumps): Do not check for loop notes. Move check for
15128 flag_test_coverage out of loop.
15130 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15132 * final.c (shorten_branches): Remove outdated comment, and turn
15133 the if branch that guards it to continue.
15135 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15137 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
15138 * cfgloop.h (struct loop): Remove unused fields.
15140 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
15142 * doc/invoke.texi (-fdump-rtl-loop): Remove.
15143 (-dL, -fdump-rtl-loop2): Update the dump file names
15145 * doc/invoke.texi: Update dump file names.
15147 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
15149 * predict.c (estimate_probability): Remove.
15150 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
15151 * basic-block.h (estimate_probability): Remove prototype.
15152 * passes.c (finish_optimization_passes): Dump branch prediction or
15153 profiling heuristics to the .profile tree dump.
15154 (init_optimization_passes): Unqueue pass_branch_prob.
15156 * doc/invoke.texi (-fdump-rtl-bp): Remove.
15158 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15160 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
15161 * rtl.h (LABEL_NEXTREF): Remove field accessor.
15163 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
15165 * function.h (frame_offset_overflow): Declare.
15166 * function.c (frame_offset_overflow): New function.
15167 (assign_stack_local_1): Call it to detect that the offset overflows.
15168 * cfgexpand.c (alloc_stack_frame_space): Likewise.
15170 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15172 * config/sh/sh.c: Include alloc-pool.h.
15173 (label_ref_list_pool): New alloc pool.
15174 (label_ref_list_t): New type for lists of labels.
15175 (struct pool_node): Make wend a label_ref_list_t.
15176 (add_constant): Use the new type, eradicate LABEL_NEXTREF
15178 (dump_table): Likewise.
15179 (sh_reorg): Set up the alloc pool before using add_constant and
15180 dump_table, and destroy it when finishing.
15182 2006-03-11 Richard Sandiford <richard@codesourcery.com>
15184 * config/mips/mips.c: Remove redundant comment.
15186 2006-03-10 Jason Merrill <jason@redhat.com>
15189 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
15190 the target was declared 'register'.
15192 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
15194 * genpreds.c (write_insn_constraint_len): Change definition of
15195 insn_constraint_len to return size_t to match the declaration.
15197 2006-03-10 DJ Delorie <dj@redhat.com>
15199 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
15201 (m32c_expand_insv): Fix test for an AND mask.
15203 2006-03-10 Richard Guenther <rguenther@suse.de>
15205 PR middle-end/26565
15206 * builtins.c (get_pointer_alignment): Handle component
15207 references for field alignment.
15209 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15211 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
15212 when building with libgloss.
15213 (sh*elf): Implement --without-fp option.
15214 (sh64-superh-linux*): Don't multilib.
15216 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15218 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
15220 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
15222 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
15223 Set it when one of the replacement functions returned true.
15224 Return TODO_cleanup_cfg if cfgchanged is true.
15225 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
15227 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
15229 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
15230 instead of gen_lowpart.
15232 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15234 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
15236 (mips_output_order_conditional_branch): Declare.
15237 * config/mips/mips.h (MIPS_BRANCH): New macro.
15238 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
15239 for the comparison. Use gen_condjump.
15240 (mips_output_conditional_branch): Rework interface to take the
15241 asm templates for a direct branch and the inverse of a direct branch.
15242 (mips_output_order_conditional_branch): New function.
15243 (mips_builtin_branch_and_move): New function.
15244 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
15245 branch condition. Use gen_single_cc as the condition for
15246 __builtin_mips_upper_* or __builtin_mips_lower_*.
15247 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
15248 Use VOIDmode for the branch condition.
15249 * config/mips/predicates.md (order_operator): New predicate.
15250 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
15251 (branch_fp): Rename to...
15252 (*branch_fp): ...this. Remove mode from comparison operator.
15253 Use new mips_output_conditional_branch interface.
15254 (branch_fp_inverted): Rename to...
15255 (*branch_fp_inverted): ...this and update as for *branch_fp.
15256 (*branch_zero<mode>): Rename to...
15257 (*branch_order<mode>): ...this. Remove mode from comparison operator.
15258 Use mips_output_order_conditional_branch. Only accept ordered
15260 (*branch_zero<mode>_inverted): Rename to...
15261 (*branch_order<mode>_inverted): ...this and update as for
15262 *branch_order<mode>.
15263 (*branch_equality<mode>): Accept zero as the second operand to
15264 the equality operator. Use the new mips_output_conditional_branch
15266 (*branch_equality<mode>_inverted): Likewise.
15267 (condjump): New expander.
15268 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
15270 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
15271 (bc1any2t, bc1any2f): Likewise.
15272 (single_cc): New expander.
15273 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
15275 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15277 * doc/md.texi: Update documentation of MIPS constraints.
15278 * config/mips/constraints.md: New file.
15279 * config/mips/mips.md: Include it.
15280 * config/mips/mips.c (mips_char_to_class): Delete.
15281 (override_options): Don't initialize mips_char_to_class.
15282 * config/mips/mips.h (mips_char_to_class): Delete.
15283 (REG_CLASS_FROM_LETTER): Delete.
15284 (CONST_OK_FOR_LETTER_P): Delete.
15285 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15286 (EXTRA_CONSTRAINT_Y): Delete.
15287 (EXTRA_CONSTRAINT_STR): Delete.
15288 (CONSTRAINT_LEN): Delete.
15289 (EXTRA_MEMORY_CONSTRAINT): Delete.
15291 2006-03-09 Diego Novillo <dnovillo@redhat.com>
15293 * tree-cfg.c (move_block_to_fn): Remove the statements from the
15294 original fn's eh regions.
15296 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
15298 * fold-const.c (build_range_check): Make sure to use a valid type to
15299 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
15302 (range_predecessor): New static function.
15303 (range_successor): Likewise.
15304 (merge_ranges): Use them to compute predecessors and successors of
15307 2006-03-09 Roger Sayle <roger@eyesopen.com>
15309 PR middle-end/26561
15310 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
15311 X op C3, consider whether C3 overflows towards +Inf or -Inf.
15313 2006-03-08 DJ Delorie <dj@redhat.com>
15315 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
15316 (addpsi3): Expand to include memory operands. Remove
15317 reload-specific splits.
15318 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
15319 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
15320 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
15321 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
15322 (shift1_qi, shift1_hi, insv): New.
15323 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
15324 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
15325 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
15327 * config/m32c/m32c-protos.h: Update as needed.
15328 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
15329 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
15330 Fail for unrecognized R* constraints.
15331 (m32c_cannot_change_mode_class): Be more picky about pseudos.
15332 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
15333 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
15335 (m32c_init_libfuncs): New.
15336 (m32c_legitimate_address_p): Add debug wrapper.
15337 (m32c_rtx_costs): New.
15338 (m32c_address_cost): New.
15339 (conversions): Add 'B' prefix.
15340 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
15341 operands, or word regnames for QI operands. 'B' prints bit
15343 (m32c_expand_setmemhi): New.
15344 (m32c_expand_movmemhi): New.
15345 (m32c_expand_movstr): New.
15346 (m32c_expand_cmpstr): New.
15347 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
15348 (m32c_expand_neg_mulpsi3): Handle non-ints.
15349 (m32c_cmp_flg_0): New.
15350 (m32c_expand_movcc): New.
15351 (m32c_expand_insv): New.
15352 (m32c_scc_pattern): New.
15353 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
15354 a0/a1 out of SIregs.
15355 (STORE_FLAG_VALUE): New.
15356 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
15359 * config/m32c/mov.md: Make constraints more liberal.
15360 (zero_extendqihi2): Optimize r0/r1 case.
15361 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
15362 * config/m32c/predicates.md (m32c_any_operand): New.
15363 (m32c_nonimmediate_operand): New.
15364 (m32c_hl_operand): New.
15365 (m32c_r3_operand): New.
15368 (memsym_operand): New.
15369 (memimmed_operand): New.
15370 (a_qi_operand): New.
15371 (m32c_eqne_operator): New.
15372 (m32c_1bit8_operand): New.
15373 (m32c_1bit16_operand): New.
15374 (m32c_1mask8_operand): New.
15375 (m32c_1mask16_operand): New.
15376 * config/m32c/blkmov.md: New file.
15377 * config/m32c/t-m32c (MD_FILES): Add blkmov.
15379 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
15381 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
15382 unsigned to fix signed/unsigned comparison issue in
15383 DWARF2_FRAME_REG_OUT.
15384 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
15385 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
15387 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
15388 of ptr into the ENABLE_CHECKING section.
15390 2006-03-08 Jeff Law <law@redhat.com>
15392 * tree-vrp.c (infer_value_range): Only count pointer uses
15393 and dereferences if -fdelete-null-pointer-checks is enabled.
15395 * tree-vrp.c (find_assert_locations): Infer value ranges for
15396 single use pointers, but do not create ASSERT_EXPRs for them.
15397 When a non-null range is inferred for a pointer, backwards
15398 propagate that range to other equivalent pointers through the
15401 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
15404 * Makefile.in (dvi, html, install-info): Invoke the corresponding
15405 language hook targets.
15406 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
15407 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
15408 if language hook targets were missing.
15410 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
15412 * tree-ssa-opfinalize.h: Removed.
15413 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
15415 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
15416 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
15417 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
15418 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
15419 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
15420 finalize_ssa_v_must_def_ops): New.
15422 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
15424 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
15425 block as parameter.
15427 2006-03-07 Geoffrey Keating <geoffk@apple.com>
15429 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
15431 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
15432 addresses with offsets; reorganize.
15434 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
15435 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
15436 (expand_builtin_init_dwarf_reg_sizes): Likewise.
15438 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
15441 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
15443 2006-03-08 Ben Elliston <bje@au.ibm.com>
15445 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
15447 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
15450 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
15453 2006-03-07 Richard Guenther <rguenther@suse.de>
15455 PR tree-optimization/26587
15456 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
15458 2006-03-07 Richard Sandiford <richard@codesourcery.com>
15460 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
15462 2006-03-07 Richard Sandiford <richard@codesourcery.com>
15464 * hooks.c (hook_bool_mode_rtx_true): New function.
15465 * hooks.h (hook_bool_mode_rtx_true): Declare.
15466 * toplev.c (compile_file): Call output_shared_constant_pool.
15467 * varasm.c (shared_constant_pool): New variable.
15468 (assemble_start_function, assemble_end_function): Remove arguments
15469 from call to output_constant_pool.
15470 (create_constant_pool): New function, split out from...
15471 (init_varasm_status): ...here.
15472 (force_const_mem): Choose between the shared and per-function constant
15473 pools. Set current_function_uses_const_pool when reusing old entries
15474 as well as when creating new ones.
15475 (mark_constant): Ignore data argument.
15476 (mark_constants): Remove pool argument.
15477 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
15478 to decide whether the function uses a constant pool.
15479 (output_constant_pool_contents): New function, split out from...
15480 (output_constant_pool): ...here.
15481 (output_shared_constant_pool): New function.
15482 (init_varasm_once): Initialize shared_constant_pool.
15483 * output.h (output_constant_pool): Delete.
15484 (output_shared_constant_pool): Declare.
15485 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
15486 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
15488 2006-03-06 Nick Clifton <nickc@redhat.com>
15490 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
15491 flag_strength_reduce.
15493 2006-03-06 Ben Elliston <bje@au.ibm.com>
15495 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
15496 x86_64-*-linux* configurations.
15498 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
15499 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
15501 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15503 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
15505 * basic-block.h: Remove the extern for
15506 rediscover_loops_after_threading.
15508 * cfgloop.c (cancel_loop): Make it static.
15509 * cfgloop.h: Remove the prototype for cancel_loop.
15511 * flow.c (recompute_reg_usage): Make it static.
15512 * rtl.h: Remove the prototype for recompute_reg_usage.
15514 * function.c (use_return_register): Make it static.
15515 * function.h: Remove the prototype.
15517 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15519 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
15521 * recog.h: Remove the prototype for
15522 validate_change_maybe_volatile.
15524 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15526 * rtlanal.c (replace_reg): Remove.
15527 * rtl.h: Remove the prototype for replace_reg.
15529 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15531 * regclass.c (reg_scan_update): Remove.
15532 (reg_scan_mark_refs): Remove the last argument.
15533 * rtl.h: Remove the prototype for reg_scan_update.
15535 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15537 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
15538 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
15539 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
15540 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
15541 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
15542 loop-invariant.c, omp-low.c, opts.c, passes.c,
15543 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
15544 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
15545 tree-ssa-structalias.c, tree-ssa-threadedge.c,
15546 tree-ssa-threadupdate.c, tree-vect-patterns.c,
15547 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
15548 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
15550 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15552 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
15553 * dwarf2out.h: Remove the prototype for
15554 dwarf2out_add_library_unit_info.
15556 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15558 * tree.c (add_var_to_bind_expr): Remove.
15559 * tree.h: Remove the prototype for add_var_to_bind_expr.
15561 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15563 * regclass.c (n_non_fixed_regs): Remove.
15564 (init_reg_sets_1, globalize_reg): Remove all uses of
15566 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
15568 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15570 * rtlanal.c (insns_safe_to_move_p): Remove.
15571 * rtl.h: Remove the prototype for insns_safe_to_move_p.
15573 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15575 * expmed.c (expand_mult_add): Remove.
15576 * expr.h: Remove the prototype for expand_mult_add.
15578 2006-03-04 Jakub Jelinek <jakub@redhat.com>
15580 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
15581 and REG_SAVED_VAL_EXP constants.
15582 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
15583 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
15584 Handle regs stored by value.
15585 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
15586 (execute_cfa_program): Handle DW_CFA_val_offset,
15587 DW_CFA_val_offset_sf and DW_CFA_val_expression.
15588 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
15589 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
15590 (uw_install_context_1): Handle target regs stored by value.
15592 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
15594 * tree-sra.c (tree_sra): Return todoflags;
15595 (generate_one_element): Set TODO_update_smt_usage if needed.
15596 (pass_sra): Remove TODO_update_smt_usage.
15597 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
15599 (tree_ssa_forward_propagate_single_use_vars): Return
15600 TODO_update_smt_usage if we need to update SMT usage.
15601 (pass_forwprop): Remove TODO_update_smt_usage.
15603 2006-03-03 Diego Novillo <dnovillo@redhat.com>
15605 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
15606 (correct_use_link): Remove reference to get_stmt_operands.
15607 (update_stmt_operands): Likewise.
15608 (get_modify_expr_operands): New function factored out of
15609 parse_ssa_operands and get_expr_operands.
15610 Try to create V_MUST_DEFs for LHS by default.
15611 (get_expr_operands) <case MODIFY_EXPR>: Call
15612 get_modify_expr_operands.
15613 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
15614 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
15615 (parse_ssa_operands) <case MODIFY_EXPR>: Call
15616 get_modify_expr_operands.
15618 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
15620 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
15621 * tree-flow.h: Remove the prototype for
15622 referenced_var_lookup_if_exists.
15624 2006-03-03 Steve Ellcey <sje@cup.hp.com>
15626 PR rtl-optimization/26345
15628 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
15630 2006-03-03 Roger Sayle <roger@eyesopen.com>
15632 PR tree-optimization/26524
15633 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
15634 fold_convert to create a constant of the appropriate type.
15636 2006-03-03 Richard Sandiford <richard@codesourcery.com>
15638 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15639 SYMBOL_REF_IN_BLOCK_P.
15640 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
15641 of SYMBOL_FLAG_IN_BLOCK.
15642 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
15643 instead of SYMBOL_REF_IN_BLOCK_P.
15644 * explow.c (use_anchored_address): Likewise.
15645 * rtl.c (rtx_size): Likewise.
15646 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
15647 instead of SYMBOL_FLAG_IN_BLOCK.
15648 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15649 SYMBOL_REF_IN_BLOCK_P.
15650 (assemble_variable): Likewise.
15651 (output_constant_def_contents): Likewise.
15652 (output_constant_pool): Likewise.
15653 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
15654 instead of SYMBOL_FLAG_IN_BLOCK.
15655 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15656 SYMBOL_REF_IN_BLOCK_P.
15657 (SYMBOL_REF_BLOCK): Likewise.
15658 (SYMBOL_REF_OFFSET): Likewise.
15659 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15660 SYMBOL_REF_IN_BLOCK_P.
15661 (SYMBOL_FLAG_IN_BLOCK): Replace with...
15662 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
15663 (SYMBOL_REF_IN_BLOCK_P): Replace with...
15664 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
15666 2006-03-03 Jakub Jelinek <jakub@redhat.com>
15668 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
15670 2006-03-02 Roger Sayle <roger@eyesopen.com>
15672 * simplify-rtx.c (simplify_unary_operation): When simplifying
15673 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
15674 that we perform the right shift in the appropriate mode, and
15675 then extend or truncate the result to requested mode.
15677 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
15679 * gengtype.c (main): Handle double_int type.
15680 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
15681 * double-int.c: New file.
15682 * double-int.h: New file.
15683 * system.h: Include doubleint.h.
15684 * Makefile.in (SYSTEM_H): Include double-int.h.
15685 (double-int.o): Add.
15687 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
15690 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
15693 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15695 * tree-vrp.c (remove_range_assertions): Do not update statements
15698 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15700 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
15702 * gcse.c (rest_of_handle_gcse): Ditto.
15703 * except.c (gate_handle_eh): Ditto.
15704 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
15705 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
15707 2006-03-02 Eric Christopher <echristo@apple.com>
15709 * config/i386/i386.c (machopic_output_stub): Add indirection to
15712 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15716 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
15718 Sun Niagara specific optimizations.
15719 * config.gcc: Recognize niagara as target.
15720 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15721 (TARGET_CPU_niagara): Define.
15722 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15723 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15724 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15725 (ASM_CPU_SPEC): Likewise.
15726 (PROCESSOR_NIAGARA): New enum entry.
15727 (REGISTER_MOVE_COST): Handle Niagara.
15728 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15729 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15730 (sparc_override_options): Recognize "niagara", set appropriate
15731 default MASK_* values for it, and align functions to 32-bytes
15732 by default just like ULTRASPARC/ULTRASPARC3.
15733 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15734 (sparc64_initialize_trampoline): Likewise.
15735 (sparc_use_sched_lookahead): Use zero for niagara.
15736 (sparc_issue_rate): Use one for niagara.
15737 * config/sparc/niagara.md: New file.
15738 * config/sparc/sparc.md: Include it.
15739 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15740 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15741 when default cpu is niagara.
15742 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15743 (ASM_CPU_SPEC): Likewise.
15744 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15745 when default cpu is niagara.
15746 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15747 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15748 just like v9/ultrasparc/ultrasparc3.
15749 * doc/invoke.texi: Add documentation for "niagara" and improve
15750 existing documentation for ultrasparc variants.
15752 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15754 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15756 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15758 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15759 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15760 and say that only one is needed.
15761 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15762 * target.h (have_switchable_bss_sections): New hook.
15763 * explow.c (use_anchored_address): Check that the symbol is in a block.
15764 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15765 (bss_noswitch_section): New variables.
15766 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15767 (get_noswitch_section): New function.
15768 (get_block_for_section): Allow SECT to be null.
15769 (unlikely_text_section_p): Use SECTION_STYLE.
15770 (bss_initializer_p): New function.
15771 (get_variable_section): Move earlier in file. Take a new argument,
15772 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15773 Return one of the new *_sections in such cases.
15774 (get_block_for_decl): New function, extracting some logic from
15775 use_blocks_for_decl_p.
15776 (change_symbol_section): Remove in favor of...
15777 (change_symbol_block): ...this new function.
15778 (use_blocks_for_decl_p): Remove checks now performed by
15779 get_block_for_decl.
15780 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15781 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15782 (emit_local, emit_bss, emit_common): ...these new functions.
15783 Return true if the alignment was honored.
15784 (emit_tls_common): New function.
15785 (asm_emit_uninitialised): Delete.
15786 (assemble_variable_noswitch): New function, split out from...
15787 (assemble_variable): ...here. Don't make decisions about common
15788 variables here. Globalize all public decls that go into non-common
15789 sections. Check whether SYMBOL_REF_BLOCK is null.
15790 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15791 (output_constant_pool): Likewise.
15792 (init_varasm_once): Initialize the new section variables.
15793 (have_global_bss_p): New function.
15794 (categorize_decl_for_section): Use bss_initializer_p.
15795 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15796 (place_block_symbol): Assert that the symbol must be in a block.
15797 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15798 (TARGET_INITIALIZER): Include it.
15799 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15800 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15801 (SECTION_MACH_DEP): Bump by two.
15802 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15803 (unnamed_section): Mention SECTION_UNNAMED in comment.
15804 (named_section): Likewise SECTION_NAMED.
15805 (noswitch_section_callback): New type.
15806 (noswitch_section): New structure.
15807 (section): Add a noswitch_section alternative.
15808 (SECTION_STYLE): New macro.
15809 (tls_comm_section, comm_section, lcomm_section): Declare.
15810 (bss_noswitch_section, have_global_bss_p): Declare.
15811 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15812 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15814 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15815 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15818 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15820 * tree-vrp.c (execute_vrp): Return value.
15821 * regrename.c (rest_of_handle_regrename): Ditto.
15822 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15823 * tree-complex.c (tree_lower_complex): Ditto.
15824 (tree_lower_complex_O0): Ditto.
15825 * tracer.c (rest_of_handle_tracer): Ditto.
15826 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15827 * postreload.c (rest_of_handle_postreload): Ditto.
15828 * tree-tailcall.c (execute_tail_recursion): Ditto.
15829 (execute_tail_calls): Ditto.
15830 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15831 * tree.h (init_function_for_compilation): Ditto.
15832 * ipa-cp.c (ipcp_driver): Ditto.
15833 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15834 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15835 * final.c (compute_alignments): Ditto.
15836 (rest_of_handle_final): Ditto.
15837 (rest_of_handle_shorten_branches): Ditto.
15838 (rest_of_clean_state): Ditto.
15839 * omp-low.c (execute_expand_omp): Ditto.
15840 (execute_lower_omp): Ditto.
15841 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15842 * ipa-reference.c (static_execute): Ditto.
15843 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15844 * reorg.c (rest_of_handle_delay_slots): Ditto.
15845 (rest_of_handle_machine_reorg): Ditto.
15846 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15847 * flow.c (recompute_reg_usage): Ditto.
15848 (rest_of_handle_remove_death_notes): Ditto.
15849 (rest_of_handle_life): Ditto.
15850 (rest_of_handle_flow2): Ditto.
15851 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15852 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15853 (do_ssa_store_ccp): Ditto.
15854 (execute_fold_all_builtins): Ditto.
15855 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15856 * modulo-sched.c (rest_of_handle_sms): Ditto.
15857 * ipa-pure-const.c (static_execute): Ditto.
15858 * cse.c (rest_of_handle_cse): Ditto.
15859 (rest_of_handle_cse2): Ditto.
15860 * web.c (rest_of_handle_web): Ditto.
15861 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15862 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15863 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15864 * tree-nrv.c (tree_nrv): Ditto.
15865 (execute_return_slot_opt): Ditto.
15866 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15867 (create_structure_vars): Ditto.
15868 * loop-init.c (rtl_loop_init): Ditto.
15869 (rtl_loop_done): Ditto.
15870 (rtl_move_loop_invariants): Ditto.
15871 (rtl_unswitch): Ditto.
15872 (rtl_unroll_and_peel_loops): Ditto.
15873 (rtl_doloop): Ditto.
15874 * gimple-low.c (lower_function_body): Ditto.
15875 (mark_used_blocks): Ditto.
15876 * tree-ssa-sink.c (execute_sink_code): Ditto.
15877 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15878 (cgraph_early_inlining): Ditto.
15879 * global.c (rest_of_handle_global_alloc): Ditto.
15880 * jump.c (cleanup_barriers): Ditto.
15881 (purge_line_number_notes): Ditto.
15882 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15883 (rest_of_handle_if_after_reload): Ditto.
15884 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15885 (tree_ssa_loop_im): Ditto.
15886 (tree_ssa_loop_unswitch): Ditto.
15887 (tree_vectorize): Ditto.
15888 (tree_linear_transform): Ditto.
15889 (tree_ssa_loop_ivcanon): Ditto.
15890 (tree_ssa_empty_loop): Ditto.
15891 (tree_ssa_loop_bounds): Ditto.
15892 (tree_complete_unroll): Ditto.
15893 (tree_ssa_loop_prefetch): Ditto.
15894 (tree_ssa_loop_ivopts): Ditto.
15895 (tree_ssa_loop_done): Ditto.
15896 * predict.c (tree_estimate_probability): Ditto.
15897 * recog.c (split_all_insns_noflow): Ditto.
15898 (rest_of_handle_peephole2): Ditto.
15899 (rest_of_handle_split_all_insns): Ditto.
15900 * tree-eh.c (lower_eh_constructs): Ditto.
15901 * regmove.c (rest_of_handle_regmove): Ditto.
15902 (rest_of_handle_stack_adjustments): Ditto.
15903 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15904 * function.c (instantiate_virtual_regs): Ditto.
15905 (init_function_for_compilation): Ditto.
15906 (rest_of_handle_check_leaf_regs): Ditto.
15907 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15908 (rest_of_handle_gcse): Ditto.
15909 * ipa-type-escape.c (type_escape_execute): Ditto.
15910 * alias.c (rest_of_handle_cfg): Ditto.
15911 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15912 * profile.c (rest_of_handle_branch_prob): Ditto.
15913 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15914 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15915 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15916 * tree-dfa.c (find_referenced_vars): Ditto.
15917 * except.c (set_nothrow_function_flags): Ditto.
15918 (convert_to_eh_region_ranges): Ditto.
15919 (rest_of_handle_eh): Ditto.
15920 * emit-rtl.c (unshare_all_rtl): Ditto.
15921 (remove_unnecessary_notes): Ditto.
15922 * except.h (set_nothrow_function_flags): Ditto.
15923 (convert_to_eh_region_ranges): Ditto.
15924 * cfgexpand.c (tree_expand_cfg): Ditto.
15925 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15926 * tree-ssa-pre.c (do_pre): Ditto.
15927 (execute_fre): Ditto.
15928 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15929 (rest_of_handle_jump2): Ditto.
15930 * tree-sra.c (tree_sra): Ditto.
15931 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
15932 (execute_mudflap_function_decls): Ditto.
15933 * tree-ssa-copy.c (do_copy_prop): Ditto.
15934 (do_store_copy_prop): Ditto.
15935 * ipa-prop.h (ipcp_driver): Ditto.
15936 * cfglayout.c (insn_locators_initialize): Ditto.
15937 * tree-ssa-forwprop.c
15938 (tree_ssa_forward_propagate_single_use_vars): Ditto.
15939 * cfglayout.h (insn_locators_initialize): Ditto.
15940 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
15941 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
15942 (execute_late_warn_uninitialized): Ditto.
15943 * rtl.h (cleanup_barriers): Ditto.
15944 (split_all_insns_noflow): Ditto.
15945 (purge_line_number_notes): Ditto.
15946 (unshare_all_rtl): Ditto.
15947 (remove_unnecessary_notes): Ditto.
15948 (recompute_reg_usage): Ditto.
15949 (variable_tracking_main): Ditto.
15950 * integrate.c (emit_initial_value_sets): Ditto.
15951 * integrate.h (emit_initial_value_sets): Ditto.
15952 * tree-optimize.c (execute_free_datastructures): Ditto
15953 (execute_free_cfg_annotations): Ditto.
15954 (execute_fixup_cfg): Ditto.
15955 (execute_cleanup_cfg_pre_ipa): Ditto.
15956 (execute_cleanup_cfg_post_optimizing): Ditto.
15957 (execute_init_datastructures): Ditto.
15958 * tree-object-size.c (compute_object_sizes): Ditto.
15959 * combine.c (rest_of_handle_combine): Ditto.
15960 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
15961 * bb-reorder.c (duplicate_computed_gotos): Ditto.
15962 (rest_of_handle_reorder_blocks): Ditto.
15963 (rest_of_handle_partition_blocks): Ditto.
15964 * var-tracking.c (variable_tracking_main): Ditto.
15965 * tree-profile.c (tree_profiling): Ditto.
15966 * tree-vect-generic.c (expand_vector_operations): Ditto.
15967 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
15968 * sched-rgn.c (rest_of_handle_sched): Ditto.
15969 (rest_of_handle_sched2): Ditto.
15970 * basic-block.h (free_bb_insn): Ditto.
15971 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
15972 * tree-cfg.c (execute_build_cfg): Ditto.
15973 (remove_useless_stmts): Ditto.
15974 (split_critical_edges): Ditto.
15975 (execute_warn_function_return): Ditto.
15976 (execute_warn_function_noreturn): Ditto.
15977 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
15978 * cfgrtl.c (free_bb_for_insn): Ditto.
15979 * passes.c (execute_one_pass): Run additional
15980 todos returned by execute function.
15981 * tree-pass.h (struct tree_opt_pass): Make execute
15984 2006-03-02 Richard Guenther <rguenther@suse.de>
15986 * tree-ssa-alias.c (find_used_portions): Consider taking
15987 the address as making the variable not write-only.
15989 2006-03-02 Nick Clifton <nickc@redhat.com>
15991 * config.gcc (default_use_cxa_atexit): Extend the description of
15992 this configure variable. Set its default value to "yes" for
15993 Linux, NetBSD and ELF targets on the assumption that they will
15994 use C libraries with the __cxa_atexit function.
15996 2006-03-02 Ben Elliston <bje@au.ibm.com>
15998 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
15999 parameter as unused to suppress a build warning.
16001 2006-03-02 Ben Elliston <bje@au.ibm.com>
16003 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
16006 2006-03-01 Roger Sayle <roger@eyesopen.com>
16009 * gthr-posix.h (__gthrw2): Define to take three parameters, the
16010 declared name, the weak reference name, and the typeof name.
16011 (__gthrw): Avoid expanding the declared name suffix.
16012 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
16014 2006-03-01 Jakub Jelinek <jakub@redhat.com>
16016 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
16018 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
16019 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
16020 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
16021 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
16022 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
16023 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
16024 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
16025 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
16026 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
16027 DW_DS_leading_separate, DW_DS_trailing_separate): New.
16028 (DW_END_default, DW_END_big, DW_END_little): New.
16029 (DW_END_lo_user, DW_END_hi_user): Define.
16030 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
16031 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
16032 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
16035 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16037 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
16039 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
16041 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
16043 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
16045 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
16046 to 'symbol_mem_tag'.
16048 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
16051 2006-03-01 Roger Sayle <roger@eyesopen.com>
16053 * builtins.c (fold_builtin_copysign): Delete unreachable code.
16055 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16058 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
16059 MACHO_DYNAMIC_NO_PIC_P.
16060 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
16062 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16065 * config/darwin-protos.h (darwin_asm_output_anchor):
16067 * config/darwin-sections.def (cstring_section):
16068 Add SECTION_MERGE to the flags.
16069 (literal4_section): Likewise.
16070 (literal8_section): Likewise.
16071 (objc_selector_refs_section): Likewise.
16072 (objc_cls_refs_section): Likewise.
16073 * config/darwin.c (darwin_asm_output_anchor): New
16075 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16077 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
16079 Fix PR tree-optimization/26443
16080 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
16081 to todo and PROP_tmt_usage to properties_destroyed.
16082 * tree-ssa-ccp.c (pass_ccp): Ditto.
16083 (pass_store_ccp): Ditto.
16084 * tree-ssa-dom.c (pass_dominator): Ditto.
16086 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16088 * tree-ssa-operands.c: Cleanup whitespace.
16089 (get_asm_expr_operands): Move before first invocation.
16090 (get_indirect_ref_operands): Likewise.
16091 (get_tmr_operands): Likewise.
16092 (get_call_expr_operands): Likewise.
16093 (append_def): Likewise.
16094 (append_use): Likewise.
16095 (append_v_may_def): Likewise.
16096 (append_v_must_def): Likewise.
16097 (add_call_clobber_ops): Likewise.
16098 (add_call_read_ops): Likewise.
16099 (add_stmt_operand): Likewise.
16100 (add_virtual_operand): Likewise.
16101 (build_ssa_operands): Likewise.
16103 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
16105 PR middle-end/26022
16107 PR middle-end/24437
16108 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
16109 with a call expr to ...
16110 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
16112 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16114 * tree-vrp.c (extract_range_from_assert): Remove special
16115 handling for types with super-types.
16117 2006-03-01 Ben Elliston <bje@au.ibm.com>
16119 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
16120 and powerpc64-*-linux* configurations.
16121 * config/t-dfprules: New file.
16123 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
16124 Compile dfp-bit.c from the source directory using -DWIDTH and
16125 $DFP_CFLAGS to control the compilation of that file, rather than
16126 generating width-specific versions in the build directory.
16127 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
16128 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
16130 2006-02-28 Zack Weinberg <zackw@panix.com>
16132 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
16135 2006-02-28 Eric Christopher <echristo@apple.com>
16137 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
16138 Set up IN_LIBGCC definition of TARGET_64BIT.
16139 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
16141 2006-02-28 Roger Sayle <roger@eyesopen.com>
16143 PR middle-end/14752
16144 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
16145 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
16146 cases via the construction of "expr != 0".
16148 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
16150 * alias.c (alias_invariant, alias_invariant_size): Remove.
16151 (record_base_value): Remove.
16152 (memrefs_conflict_p): Don't look at alias_invariant.
16153 (end_alias_analysis): Don't free it.
16154 * alias.h (record_base_value): Remove prototype.
16156 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
16157 Adam Nemet <anemet@caviumnetworks.com>
16159 * rtl.h (truncated_to_mode): Declare it.
16160 (struct rtl_hooks): Add reg_truncated_to_mode hook.
16161 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
16162 (RTL_HOOKS_INITIALIZER): Include it.
16163 * rtlhooks.c (reg_truncated_to_mode_general): New function.
16164 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
16165 reg_truncated_to_mode.
16166 * rtlanal.c (truncated_to_mode): Define it.
16167 * simplify-rtx.c (simplify_unary_operation_1): Use it.
16169 2006-02-28 Jeff Law <law@redhat.com>
16171 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
16172 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
16173 the range allowed by TYPE_PRECISION.
16175 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
16177 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
16179 PR tree-optimization/26419
16180 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
16183 2006-02-27 Zack Weinberg <zackw@panix.com>
16185 * doc/md.texi: Fix typo in previous change.
16187 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
16191 2006-02-27 Zack Weinberg <zackw@panix.com>
16193 * rtl.def (define_constraint, define_register_constraint)
16194 (define_memory_constraint, define_address_constraint): New MD forms.
16195 * gensupport.c (process_rtx): Put define_constraint etc on the
16197 * genpreds.c (process_define_predicate): Adjust comment. Validate
16198 the name, and call validate_exp to validate the expression.
16199 (mark_mode_tests, write_extract_subexp): Can assume correct input.
16200 (write_predicate_expr): Likewise. NAME argument no longer necessary;
16201 all callers changed.
16202 (validate_exp, needs_variable, struct constraint_data)
16203 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
16204 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
16205 (const_dbl_constraints, constraint_max_namelen)
16206 (have_register_constraints, have_memory_constraints)
16207 (have_address_constraints, have_address_constraints)
16208 (have_extra_constraints, have_const_int_constraints)
16209 (have_const_dbl_constraints, mangle, add_constraint)
16210 (process_define_constraint, process_define_register_constraint)
16211 (write_enum_constraint_num, write_lookup_constraint)
16212 (write_insn_constraint_len, write_regclass_for_constraint)
16213 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
16214 (write_insn_extra_memory_constraint)
16215 (write_insn_extra_address_constraint)
16216 (write_satisfies_constraint_fns): New.
16217 (write_tm_preds_h): If we have new-style constraint definitions,
16218 prototype the functions generated from them, and define the
16219 old constraint interface (still used by generic code) in terms of
16221 (write_insn_preds_c): If we have new-style constraint definitions,
16222 generate all relevant functions from those definitions.
16223 (main): Handle define_constraint etc.
16224 * genoutput.c (struct constraint_data, indep_constraints)
16225 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
16226 (mdep_constraint_len): New data structures and functions, defined
16227 #ifdef USE_MD_CONSTRAINTS.
16228 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
16229 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
16230 use new logic to validate operand constraints against constraint
16232 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
16234 * defaults.h: If none of the old-style constraint macros are
16235 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
16236 old-style macros; and poison REG_CLASS_FROM_LETTER,
16237 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
16239 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
16240 * doc/md.texi: Document new constraint-definition mechanism and the
16241 C interface it provides. Remove references to old mechanism
16242 elsewhere in the document.
16243 (Machine Constraints): Use pathnames relative to gcc directory,
16244 i.e. config/ARCH/FILE. Change i386 section to refer to
16245 config/i386/predicates.md; update that section to match docstrings.
16246 * doc/tm.texi: Move all documentation of the old constraint-
16247 definition macros to their own section, clearly mark as obsolete.
16249 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
16250 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
16252 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
16253 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
16254 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
16255 constraint strings.
16256 (splits and peepholes): Use satisfies_constraint_*.
16257 * config/i386/i386.c (memory_address_length)
16258 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
16260 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16262 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
16263 scalar operation to be put back into the loop.
16265 2006-02-27 Jakub Jelinek <jakub@redhat.com>
16268 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
16269 (extract_cie_info): Handle S flag in augmentation string.
16270 (execute_cfa_program): If context->signal_frame, execute also
16271 fs->pc == context->ra instructions.
16272 (uw_frame_state_for): If context->signal_frame, don't subtract one
16273 from context->ra to find FDE.
16274 (uw_update_context_1): Set context->signal_frame to
16276 (_Unwind_GetIPInfo): New function.
16277 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
16278 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
16280 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
16281 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
16282 * unwind-compat.c (_Unwind_GetIPInfo): New function.
16283 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
16284 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
16285 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
16286 * config/i386/linux-unwind.h (x86_fallback_frame_state,
16287 x86_64_fallback_frame_state): Set fs->signal_frame.
16288 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
16289 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
16290 (frob_update_context): Likewise. Workaround missing S flag in
16291 Linux 2.6.12 - 2.6.16 kernel vDSOs.
16292 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
16293 Remove the psw_addr + 1 hack.
16295 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16297 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
16298 with aggregates here.
16299 (find_func_aliases): Remove code for &<aggregate> from here.
16301 2006-02-26 Roger Sayle <roger@eyesopen.com>
16303 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
16304 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
16305 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
16306 as (X & C) ne/eq 0.
16308 2006-02-26 Roger Sayle <roger@eyesopen.com>
16310 PR middle-end/19983
16311 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
16313 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
16315 * opts.c (decode_options): Do not handle flag_strength_reduce.
16316 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
16317 and OPT_fstrength_reduce.
16318 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
16319 flag_prefetch_loop_arrays for being nonzero.
16320 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
16322 (fprefetch-loop-arrays-rtl): Removed.
16323 (flag_prefetch_loop_arrays): Do not specify the value.
16325 * doc/passes.texi: Update documentation of loop optimizer
16327 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
16328 -frerun-loop-opt): Remove.
16330 2006-02-26 Richard Guenther <rguenther@suse.de>
16332 PR tree-optimization/26421
16333 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
16334 in function calls that are ADDR_EXPRs as using the whole structure.
16336 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
16338 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
16339 * tree-pass.h (pass_loop_optimize): Remove.
16340 * passes.c (pass_loop_optimize): Never run it.
16341 * toplev.c (backend_init): Don't call init_loop.
16342 * opts.c (flag_loop_optimize_set): Remove.
16343 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
16344 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
16345 the old RTL loop optimizer when profiling enabled.
16346 * predict.c (tree_estimate_probability): Always strip builtin_expect.
16347 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
16348 pre-headers for the sake of the old RTL loop optimizer.
16349 * Makefile.in: Remove all references to loop.o.
16351 * doc/invoke.texi: Remove all references to -floop-optimize
16352 and -frerun-loop-opt.
16354 2006-02-26 Zack Weinberg <zackw@panix.com>
16356 * doc/md.texi (Machine Constraints): Refer to all files with paths
16357 relative to gcc directory (i.e. config/CPU/file). Add missing
16358 @table @code ... @end table to M32C subsection.
16360 2006-02-26 Roger Sayle <roger@eyesopen.com>
16362 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
16364 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
16366 2006-02-26 Roger Sayle <roger@eyesopen.com>
16367 James A. Morrison <phython@gcc.gnu.org>
16369 PR middle-end/21137
16370 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
16371 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
16372 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
16373 signedness of the shift operation.
16375 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
16377 PR tree-optimization/26359
16378 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
16380 2006-02-25 Roger Sayle <roger@eyesopen.com>
16382 * simplify-rtx.c (simplify_relational_operation_1): Simplify
16383 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
16384 as X == 0, and some symmetry related transformations.
16385 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
16387 2006-02-25 Roger Sayle <roger@eyesopen.com>
16389 PR middle-end/23673
16390 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
16391 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
16392 symmetry related transformations. Fold (X^C1) == C2 as
16395 2006-02-25 Juergen Weigert <jw@suse.de>
16396 Richard Guenther <rguenther@suse.de>
16398 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
16400 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
16402 * combine.c (gen_lowpart_or_truncate): Call
16403 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
16405 2006-02-24 Diego Novillo <dnovillo@redhat.com>
16407 * doc/invoke.texi: Move -fopenmp description to "Options for
16409 Remove reference to -lgomp.
16411 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16413 * doc/install.texi: Require GNU tar version 1.14.
16415 2006-02-24 Geoffrey Keating <geoffk@apple.com>
16417 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
16418 * doc/invoke.texi (C++ Dialect Options): Document
16419 -fno-use-cxa-get-exception-ptr.
16420 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
16421 * configure: Regenerate.
16422 * c.opt (fuse-cxa-get-exception-ptr): New.
16423 * c-opts.c (c_common_handle_option): Handle
16424 OPT_fuse_cxa_get_exception_ptr.
16425 * c-common.c (flag_use_cxa_atexit): Update documentation.
16426 (flag_use_cxa_get_exception_ptr): New.
16427 * c-common.h (flag_use_cxa_get_exception_ptr): New.
16428 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
16430 (C_COMMON_OVERRIDE_OPTIONS): New.
16432 2006-02-24 Roger Sayle <roger@eyesopen.com>
16434 PR middle-end/24952
16435 * combine.c (try_combine): Explicitly check whether GET_CODE is
16436 a SET or a CLOBBER, instead on checking that it isn't a USE.
16438 2006-02-24 Roger Sayle <roger@eyesopen.com>
16440 * fold-const.c (fold_comparison): New subroutine of fold_binary
16441 containing transformations common to both the equality and
16442 ordering relational operators, factored out of fold_binary.
16443 (fold_binary): Separate out the equality operators (EQ_EXPR
16444 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
16445 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
16446 transformations common to both.
16447 (fold_div_compare): Fix latent bugs in the previously unreachable
16448 LT_EXPR and GE_EXPR cases.
16450 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16452 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
16453 decl libname for clog to __clog on AIX.
16455 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
16457 2006-02-24 Alan Modra <amodra@bigpond.net.au>
16460 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
16461 output traceback table for thunks. Localise rs6000_stack_info call.
16463 2006-02-23 Roger Sayle <roger@eyesopen.com>
16464 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16466 * gthr-posix.h (__gthrw): Fix typo in comment.
16468 2006-02-23 Geoffrey Keating <geoffk@apple.com>
16470 * doc/cpp.texi (Character sets): Document that we do support
16471 input files to be in any character set.
16473 2006-02-23 Jeff Law <law@redhat.com>
16475 * tree.h (PHI_ARG_NONZERO): Remove.
16476 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
16477 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
16478 node to the new node.
16480 PR tree-optimization/26425
16481 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
16482 min/max, then assume its varying.
16484 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16486 PR rtl-optimization/26316
16487 * rtlanal.c (enum may_trap_p_flags): New.
16488 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
16489 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
16490 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
16491 (may_trap_after_code_motion_p): New function.
16492 * loop-invariant.c (find_identical_invariants): Fix dump formating.
16493 (find_invariant_insn): Use may_trap_after_code_motion_p.
16494 * rtl.h (may_trap_after_code_motion_p): Declare.
16496 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16498 * emit-rtl.c (immed_double_const): Cleanup.
16500 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
16502 Fix PR tree-optimization/26376
16503 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
16506 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16508 PR middle-end/26412
16509 * gimplify.c (omp_add_variable): Guard variable size decl test with
16510 DECL_SIZE (decl) check.
16512 2006-02-23 Richard Guenther <rguenther@suse.de>
16514 PR middle-end/26439
16515 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
16516 like aggregate types.
16518 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16520 * configure.ac: Add --with{,out}-long-double-128 configure option.
16521 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
16522 * configure: Rebuilt.
16523 * config.in: Rebuilt.
16524 * doc/install.texi (Options specification): Document
16525 --with-long-double-128.
16527 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16528 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16529 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16530 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16532 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
16534 * config/s390/s390.c (override_options): Handle
16535 TARGET_DEFAULT_LONG_DOUBLE_128.
16537 * config/alpha/alpha.c (override_options): Handle
16538 TARGET_DEFAULT_LONG_DOUBLE_128.
16540 * config/sparc/sparc.c (sparc_override_options): Handle
16541 TARGET_DEFAULT_LONG_DOUBLE_128.
16543 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
16545 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
16546 (real-install-headers-tar, real-install-headers-cpio)
16547 (real-install-headers-cp): New targets.
16549 2006-02-22 Richard Sandiford <richard@codesourcery.com>
16551 * tree.h (variable_section): Delete.
16552 * varasm.c (variable_section): Delete.
16554 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
16556 * install.texi: Add notes on install.texi2html.
16557 (Building in parallel): Do not use footnotes.
16559 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
16562 * doc/install.texi (Configuration): Document --disable-libgomp.
16564 2006-02-21 Geoffrey Keating <geoffk@apple.com>
16566 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
16568 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16570 * config/i386/sse.md (vec_extractv2df_1_sse): New.
16571 (vec_extractv2df_0_sse): New.
16573 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16575 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
16576 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
16577 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
16578 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
16579 to the result of the expression.
16580 (def_cfa_1): Adjust.
16581 (frame_pointer_cfa_offset): Rename to...
16582 (frame_pointer_fb_offset): ... this. Adjust all uses.
16583 (convert_cfa_to_loc_list): Rename to...
16584 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
16585 Pass it on to build_cfa_loc.
16586 (compute_frame_pointer_to_cfa_displacement): Rename to...
16587 (compute_frame_pointer_to_fb_displacement): ... this. New
16588 offset parameter. Use it in computation.
16589 (gen_subprogram_die): Compute cfa_fb_offset with the new
16590 macro, and use it to compute the fb loc list and the
16593 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
16595 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
16596 replaced with register_operand.
16597 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
16598 non-DREG is expensive.
16599 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
16600 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
16603 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
16605 * doc/install.texi2html: Use set -e.
16607 2006-02-21 Richard Sandiford <richard@codesourcery.com>
16609 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16610 (ASM_OUTPUT_SHARED_LOCAL): Delete.
16611 * doc/invoke.texi (-fshared-data): Delete.
16612 * common.opt (fshared-data): Delete.
16613 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
16614 (assemble_static_space): Remove #if 0 code.
16615 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16616 (ASM_OUTPUT_SHARED_LOCAL): Poison.
16617 * config/cris/cris.h: Remove FIXME.
16619 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
16621 * doc/sourcebuild.texi (Front End Directory): No more double-colon
16624 2006-02-21 Jakub Jelinek <jakub@redhat.com>
16626 PR middle-end/26379
16627 * combine.c (simplify_shift_const_1): Disable nested shifts
16628 optimization for vector shifts.
16630 2006-02-20 Roger Sayle <roger@eyesopen.com>
16632 PR tree-optimization/26361
16633 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
16634 of unsigned integer types.
16636 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
16638 * tree-chrec.c (eq_evolutions_p): New.
16639 * tree-chrec.h (eq_evolutions_p): Declared.
16640 * tree-data-ref.c: Fix formatting.
16641 (datadep_stats, dependence_stats): New.
16643 (print_direction_vector): New.
16644 (dump_data_dependence_relation): Use print_direction_vector.
16645 (object_analysis, create_data_ref): Handle COMPONENT_REF.
16646 (compute_subscript_distance): Static.
16647 (initialize_data_dependence_relation): Static. Get the number
16648 of loops surrounding the references from the callers, and initialize
16649 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
16650 base_object_differ_p analyzers.
16651 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
16652 compute_overlap_steps_for_affine_1_2,
16653 analyze_subscript_affine_affine): Count the classified dependences.
16654 Print a message when a test failed.
16655 (can_use_analyze_subscript_affine_affine): New.
16656 (analyze_siv_subscript): Compute the data dependences on symbolic
16657 scevs that verify can_use_analyze_subscript_affine_affine.
16658 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
16659 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
16660 Handle symbolic scevs.
16661 (analyze_overlapping_iterations): Let symbolic affine scevs to be
16663 (subscript_dependence_tester): Moved...
16664 (build_classic_dist_vector, build_classic_dir_vector): Don't use
16665 lambda_vector_clear on newly allocated vectors. Get nb_loops from
16666 DDR_SIZE_VECT instead of getting it in parameter.
16667 (subscript_dependence_tester): ... here. Take as a parameter
16668 loop_nest_depth. Call build_classic_dist_vector and
16669 build_classic_dir_vector.
16670 (compute_affine_dependence): Update subscript_dependence_tester
16671 parameters. Update datadep_stats counters. Call
16672 compute_subscript_distance.
16673 (compute_self_dependence): Save the dist and dir vectors. Call
16674 compute_subscript_distance.
16675 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
16676 (compute_all_dependences): Reorder parameters as they were before
16677 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
16678 compute_subscript_distance. Update the use of
16679 compute_affine_dependence and initialize_data_dependence_relation.
16680 (find_data_references_in_loop): Handle COMPONENT_REF.
16681 (compute_data_dependences_for_loop): Initialize dependence_stats.
16682 Don't call build_classic_dist_vector and build_classic_dir_vector.
16683 Update the parameters of initialize_data_dependence_relation and
16684 compute_all_dependences. Print the statistics from datadep_stats.
16685 (analyze_all_data_dependences): Static. Not used until the pass for
16686 checking the data dependences is contributed.
16687 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
16688 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
16689 (initialize_data_dependence_relation, compute_affine_dependence,
16690 analyze_all_data_dependences, compute_subscript_distance): Removed.
16691 (print_direction_vector): New.
16692 * lambda.h (gcd): ... here.
16693 (lambda_vector_gcd): Moved here from gcd_vector.
16694 * lambda-code.c (gcd, gcd_vector): Removed.
16695 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
16696 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
16698 2006-02-20 Diego Novillo <dnovillo@redhat.com>
16700 * ipa-type-escape.c: Tidy some comments and white space.
16701 * tree-ssa-operands.c: Likewise.
16703 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
16706 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
16707 (dump_decl_name): Do not walk the decl tree chains.
16708 * tree-pass.h (TDF_CHAIN): Remove.
16710 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16712 * Makefile.in (C): Remove
16714 (.PHONY): Remove C and PROTO
16716 2006-02-20 Roger Sayle <roger@eyesopen.com>
16718 PR middle-end/26236
16719 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
16720 deprecated CHAR_TYPE tree code.
16722 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16724 * configure.ac (target_list): Add install-info, dvi, html.
16725 * configure: Regenerate.
16727 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16728 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16729 treelang/Make-lang.in: Do not use double-colon rules.
16731 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16733 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16734 (TMT_USED_ALONE): New macro.
16735 * tree-pass.h (PROP_tmt_usage): New property.
16736 (TODO_update_tmt_usage): New todo.
16737 * tree-ssa-alias.c (updating_used_alone): New variable.
16738 (recalculate_used_alone): New function.
16739 (compute_may_aliases): Set updating_used_alone, call
16740 recalculate_used_alone.
16741 * tree-sra.c (pass_sra): Note that this pass destroys
16742 PROP_tmt_usage, and add TODO_update_tmt_usage.
16743 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16744 * tree-flow.h (updating_used_alone): Prototype.
16745 (recalculate_used_alone): Ditto.
16746 * passes.c (execute_todo): Add code to set updating_used_alone,
16747 and call recalculate.
16748 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16749 for clobber if used alone, and add assert to verify used_alone
16752 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16754 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16755 for non tls symbols added.
16756 (legitimize_address): Do nothing for PLUS expressions if one of the
16757 addends is a tls symbol reference.
16759 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16763 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16765 * Makefile.in (BOOTSTRAPPING): New.
16766 (quickstrap): New definition if BOOTSTRAPPING=yes.
16768 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16769 * configure.ac: Substitute all_selected_languages with the languages
16770 that were configured. For all the other variables except
16771 lang_specs_files, include all the languages in the tree.
16772 * configure: Regenerate.
16774 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16775 if there is one. Run the commands to run fixincludes in the same
16778 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16779 * doc/install.texi: Document exact conventions for searching target tools.
16780 Document --with-build-time-tools. Document toplevel bootstrap. Document
16781 something more about building an Ada cross-compiler. Don't list GNU Make
16782 requirements which affect all platforms.
16784 2006-02-19 Roger Sayle <roger@eyesopen.com>
16786 PR middle-end/19543
16787 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16788 only equivalent if the have both the same mode and precision.
16790 2006-02-20 Ben Elliston <bje@au.ibm.com>
16792 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16794 2006-02-19 Roger Sayle <roger@eyesopen.com>
16795 Steven Bosscher <stevenb.gcc@gmail.com>
16797 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16798 constant pool references to identify stack mode constants.
16799 * rtlanal.c (constant_pool_constant_p): New predicate to check
16800 whether operand is a floating point constant in the pool.
16801 * rtl.h (constant_pool_constant_p): Prototype here.
16802 * loop.c (scan_loop): Avoid hoisting constants from the constant
16803 pool on STACK_REGS targets.
16804 (load_mems): Likewise.
16805 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16806 loads into x87 registers expensive in terms of register pressure.
16808 2006-02-19 Roger Sayle <roger@eyesopen.com>
16810 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16811 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16813 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16815 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16816 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16818 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16820 * doc/invoke.texi: Document -fipa-pta.
16821 * common.opt: Add ipa-pta option.
16822 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16823 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16824 (do_ds_constraint): Ditto.
16825 (get_constraint_for): Only add to referenced_vars if
16826 referenced_vars exists.
16827 (insert_into_field_list): Rewrite to do this unsorted.
16828 (insert_into_field_list_sorted): Rename old insert_into_field_list
16830 (create_function_info_for): Use insert_into_field_list_sorted.
16831 (create_variable_info_for): Rewrite so it uses unsorted version,
16832 since the field list is sorted.
16833 (intra_create_variable_infos): Only add to referenced_vars if
16834 referenced_vars exists.
16835 (ipa_pta_execute): Init heapvars, and delete when done.
16836 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16838 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16840 * doc/install.texi: Add missing `@samp'.
16842 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16844 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16847 2006-02-18 Mark Wielaard <mark@klomp.org>
16849 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16850 who added new 4.1 features, bug fixes and integration support.
16852 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16855 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16856 MEM for ABI_V4 pic.
16858 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16860 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16861 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16862 (copy_insn_1): Likewise. Don't copy each field individually.
16864 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16866 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16867 * rtl.c (rtx_size): Rename variable to...
16868 (rtx_code_size): ...this.
16869 (rtx_size): New function.
16870 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16871 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16873 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16874 * rtl.h (rtx_code_size): New variable.
16875 (rtx_size): Change from a variable to a function.
16876 (RTX_SIZE): Rename to...
16877 (RTX_CODE_SIZE): ...this.
16880 PR tree-optimization/17106
16881 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16882 (Anchored Addresses): New section.
16883 * doc/invoke.texi (-fsection-anchors): Document.
16884 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16885 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16886 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16887 * hooks.c (hook_bool_mode_rtx_false): New function.
16888 * hooks.h (hook_bool_mode_rtx_false): Declare.
16889 * gengtype.c (create_optional_field): New function.
16890 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16891 SYMBOL_REF_IN_BLOCK_P is true.
16892 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16893 (min_anchor_offset, max_anchor_offset): Likewise.
16894 (use_anchors_for_symbol_p): New hook.
16895 * toplev.c (compile_file): Call output_object_blocks.
16896 (target_supports_section_anchors_p): New function.
16897 (process_options): Check that -fsection-anchors is only used on
16898 targets that support it and when -funit-at-a-time is in effect.
16899 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16900 if the decl doesn't have one.
16901 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16902 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16903 of force_const_mem through use_anchored_address.
16904 (expand_expr_constant): New function.
16905 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16906 calling expand_expr for INDIRECT_REF.
16907 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16908 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16909 * expr.h (use_anchored_address): Declare.
16910 * loop-unroll.c: Don't declare rtx vectors here.
16911 * explow.c: Include output.h.
16912 (validize_mem): Call use_anchored_address.
16913 (use_anchored_address): New function.
16914 * common.opt (-fsection-anchors): New switch.
16915 * varasm.c (object_block_htab, anchor_labelno): New variables.
16916 (hash_section, object_block_entry_eq, object_block_entry_hash)
16917 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16918 (use_blocks_for_decl_p, change_symbol_section): New functions.
16919 (get_variable_section): New function, split out from assemble_variable.
16920 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16921 use_blocks_for_decl_p say so. Use change_symbol_section if the
16922 symbol has already been created.
16923 (assemble_variable_contents): New function, split out from...
16924 (assemble_variable): ...here. Don't output any code for
16925 block symbols; just pass them to place_block_symbol.
16926 Use get_variable_section and assemble_variable_contents.
16927 (get_constant_alignment, get_constant_section, get_constant_size): New
16928 functions, split from output_constant_def_contents.
16929 (build_constant_desc): Create a block symbol if use_object_blocks_p
16930 says so. Or into SYMBOL_REF_FLAGS.
16931 (assemble_constant_contents): New function, split from...
16932 (output_constant_def_contents): ...here. Don't output any code
16933 for block symbols; just pass them to place_section_symbol.
16934 Use get_constant_section and get_constant_alignment.
16935 (force_const_mem): Create a block symbol if use_object_blocks_p and
16936 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
16937 (output_constant_pool_1): Add an explicit alignment argument.
16938 Don't switch sections here.
16939 (output_constant_pool): Adjust call to output_constant_pool_1.
16940 Switch sections here instead. Don't output anything for block symbols;
16941 just pass them to place_block_symbol.
16942 (init_varasm_once): Initialize object_block_htab.
16943 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
16944 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
16945 (place_block_symbol, get_section_anchor, output_object_block)
16946 (output_object_block_htab, output_object_blocks): New functions.
16947 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
16948 (TARGET_ASM_OUT): Include it.
16949 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
16950 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
16951 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
16952 (TARGET_INITIALIZER): Include them.
16953 * rtl.c (rtl_check_failed_block_symbol): New function.
16954 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
16955 (block_symbol, object_block): New structures.
16956 (rtx_def): Add a block_symbol field to the union.
16957 (BLOCK_SYMBOL_CHECK): New macro.
16958 (rtl_check_failed_block_symbol): Declare.
16959 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
16960 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
16961 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
16962 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
16963 * output.h (output_section_symbols): Declare.
16964 (object_block): Name structure.
16965 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
16966 (default_use_anchors_for_symbol_p): Declare.
16967 * Makefile.in (RTL_BASE_H): Add vec.h.
16968 (explow.o): Depend on output.h.
16969 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
16970 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16971 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16972 (rs6000_use_blocks_for_constant_p): New function.
16974 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16976 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
16978 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16981 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
16984 2006-02-18 Diego Novillo <dnovillo@redhat.com>
16986 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
16990 2006-02-18 Jakub Jelinek <jakub@redhat.com>
16992 PR middle-end/26334
16993 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
16994 instead of DECL_REGISTER.
16996 2006-02-18 Olivier Hainque <hainque@adacore.com>
16999 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
17001 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
17004 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
17005 * opth-gen.awk: Handle Var and InverseMask together.
17006 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
17007 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
17008 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
17009 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
17011 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17012 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17013 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
17014 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17015 LINUX_DYNAMIC_LINKER): Define.
17016 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
17017 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
17019 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17020 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
17021 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17022 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17023 (TARGET_C99_FUNCTIONS): Don't define.
17024 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
17025 GLIBC_DYNAMIC_LINKER.
17026 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
17027 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
17028 GLIBC_DYNAMIC_LINKER64): Define.
17029 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17030 LINUX_DYNAMIC_LINKER64.
17031 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17032 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17033 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
17034 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17035 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17036 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17037 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
17038 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
17039 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
17040 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
17041 and LINUX_DYNAMIC_LINKER32.
17042 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17043 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17044 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
17045 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17046 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
17048 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
17049 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
17050 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
17051 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17052 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17053 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
17054 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
17055 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
17056 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17057 LINUX_DYNAMIC_LINKER): Define.
17058 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
17059 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
17060 GLIBC_DYNAMIC_LINKER64): Define.
17061 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
17062 LINUX_DYNAMIC_LINKER64.
17063 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17064 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17065 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
17066 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
17067 LINUX_DYNAMIC_LINKER): Define.
17068 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17069 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17070 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
17071 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
17072 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
17073 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
17074 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
17075 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
17076 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
17077 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17078 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17079 * doc/invoke.texi (-muclibc): Remove caveat about supported
17082 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
17084 * doc/cpp.texi (__TIMESTAMP__): Document.
17086 2006-02-17 Roger Sayle <roger@eyesopen.com>
17088 PR middle-end/25600
17089 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
17090 C is one less than the width of X (and related transformations).
17091 * simplify-rtx.c (simplify_unary_operation_1): Transform
17092 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
17093 depending on STORE_FLAG_VALUE, were C is one less then the
17096 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
17098 Fix PR tree-optimization/26341
17099 * tree-ssa-operands.c (add_virtual_operand): Remove assert
17100 about NAME_MEMORY_TAG's.
17102 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17105 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
17106 with hardware float support, and software float support. Add fcpy
17107 alternative to hardware patterns. Add alternatives to copy between
17108 general and floating-point registers to the 32-bit pattern.
17109 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
17110 secondary reload to load a QI or HI mode constant into a floating
17112 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
17113 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
17115 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
17118 * config/rs6000/darwin.md (load_macho_picbase_si): Add
17120 (load_macho_picbase_di): Likewise.
17122 2006-02-16 Jeff Law <law@redhat.com>
17124 * tree-vrp.c (set_value_range_to_nonnegative): New function.
17125 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
17126 (ssa_name_nonzero_p): Likewise.
17127 (get_value_range): Return NULL if VRP is not running.
17128 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
17129 VRP routines do not discover a range.
17130 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
17131 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
17132 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
17133 (tree_expr_nonnegative_p): Similarly.
17134 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
17135 (restore_nonzero_vars_to_original_value): Remove.
17136 (unsafe_associative_fp_binop): Remove.
17137 (tree_ssa_dominator_optimize): Remove initialization and
17138 finalization of nonzero_vars and nonzero_vars_stack.
17139 (dom_opt_initialize_block): No longer push marker on
17140 nonzero_vars_stack.
17141 (dom_opt_finalize_block): No longer call
17142 restore_nonzero_vars_to_original_value.
17143 (record_equivalences_from_phis): No longer look for
17144 nonzero PHI arguments.
17145 (cprop_into_successor_phis): No longer propagate nonzero
17146 property into PHI arguments. Lose unused argument. Caller
17148 (record_equivalences_from_stmt): No longer record nonzero
17149 values for SSA_NAMEs.
17150 (lookup_avail_expr): No longer use nonzero_vars.
17152 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
17153 for sizetype when sizetype is unsigned.
17155 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
17157 PR rtl-optimization/25603
17158 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
17159 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
17160 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
17161 with new meaning of SETS.
17163 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
17168 * config/linux.opt: New file.
17169 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
17170 LINUX_DYNAMIC_LINKER): Define.
17171 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
17172 * config.gcc (*-*-linux*): Define extra_options.
17173 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
17174 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
17175 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
17176 GLIBC_DYNAMIC_LINKER.
17177 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
17178 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17179 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17180 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17181 * doc/invoke.texi (GNU/Linux Options): New section.
17183 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
17185 * config/sparc/sparc.md (setjmp): Rewrite.
17186 (setjmp_32): Delete.
17187 (setjmp_64): Likewise.
17189 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
17191 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
17194 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17196 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
17199 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17201 PR rtl-optimization/26296
17202 * Makefile.in (loop-invariant.c): Add except.h dependency.
17203 * loop-invariant.c: Include except.h.
17204 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
17206 2005-02-16 Paul Brook <paul@codesourcery.com>
17208 * reload1.c (emit_reload_insns): Invalidate dead input registers used
17211 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
17213 PR rtl-optimization/25636
17214 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
17215 when deciding whether an insn is an initializing insn.
17217 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
17219 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
17220 (tree_code_size): Ditto.
17221 * tree.h (struct tree_memory_tag): Remove parent_var.
17222 (struct tree_struct_field_tag): New.
17225 (union tree_node): Add sft member.
17226 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
17228 (create_sft): Add size and offset argument, set SFT_OFFSET and
17230 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
17231 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
17232 * tree-flow-inline.h (get_subvar_at): Update for
17233 SFT_OFFSET/SFT_SIZE.
17234 (var_can_have_subvars): Ditto.
17235 (overlap_subvar): Ditto.
17236 * print-tree.c (print_node): Print out interesting things for
17238 * tree-flow.h (struct subvar): Remove offset and size members.
17239 * tree-ssa-operands.c (get_expr_operands): Update for
17240 get_indirect_ref_operands changes.
17241 (get_indirect_ref_operands): Call add_virtual_operand instead of
17242 add_stmt_operand. Only recurse on base var if requested.
17243 (access_can_touch_variable): New function.
17244 (add_stmt_operand): Split virtual operand handling into ...
17245 (add_virtual_operand): Here. Add offset, size, and for_clobber
17246 arguments. Prune alias sets.
17247 (add_call_clobber_ops): Call add_virtual_operand.
17249 2006-02-15 Jakub Jelinek <jakub@redhat.com>
17251 PR middle-end/26300
17252 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
17254 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
17255 than TREE_CODE as index into omp_clause_num_ops array.
17257 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
17259 PR rtl-optimization/26184
17260 * modulo-sched.c (generate_reg_moves): Free bitmap vector
17262 * modulo-sched.c (sms_schedule): Free g_arr pointer.
17263 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
17264 must_precede, must_follow and tobe_scheduled.
17267 * opts.c (common_handle_option): Free new_option pointer.
17268 * df-core.c (df_analyze): Free postorder pointer.
17270 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17272 * Makefile.in: Fix the examples about the use of stamps
17274 2006-02-15 Michael Matz <matz@suse.de>
17276 PR middle-end/22275
17278 * stor-layout.c (layout_decl): Zero-width bitfields aren't
17279 influenced by maximum_field_alignment or DECL_PACKED.
17280 (update_alignment_for_field): Ditto.
17281 (place_field): Ditto.
17282 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
17285 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
17287 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
17288 (debug_flow_info): Pass it.
17289 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
17290 * bb-reorder.c (reorder_basic_blocks): Likewise.
17291 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
17292 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
17293 * flow.c (life_analysis, recompute_reg_usage): Likewise.
17294 * gcse.c (gcse_main, bypass_jumps): Likewise.
17295 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
17296 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
17297 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
17298 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
17299 * rtl.h (dump_flow_info): Adjust prototype.
17300 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
17301 * var-tracking.c (variable_tracking_main): Likewise.
17302 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
17303 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
17306 2006-02-15 Marcin Dalecki <martin@dalecki.de>
17308 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
17311 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17313 PR tree-optimization/26209
17314 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
17315 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
17317 * tree-cfg.c (replace_uses_by): Do not alter cfg.
17319 2006-02-14 Roger Sayle <roger@eyesopen.com>
17321 PR middle-end/23670
17322 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
17323 (X,Y) and the corresponding symmetry related transformations.
17324 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
17325 (X,Y) and its symmetry related transformations.
17327 2006-02-14 Roger Sayle <roger@eyesopen.com>
17329 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
17332 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
17334 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
17336 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17339 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
17340 support COMDAT group.
17341 * configure: Regenerate.
17343 2006-02-14 Roger Sayle <roger@eyesopen.com>
17345 PR middle-end/26279
17346 PR middle-end/26280
17347 PR middle-end/26283
17348 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
17350 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
17352 Fix PR tree-optimization/26260
17354 * doc/invoke.texi (max-fields-for-field-sensitive): Document
17356 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
17357 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
17358 * tree-ssa-structalias.c (create_variable_info_for): Use
17359 MAX_FIELDS_FOR_FIELD_SENSITIVE.
17361 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17363 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
17365 * tree-ssa-loop-niter.c (number_of_iterations_ne,
17366 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
17367 of the ending condition.
17368 * tree-ssa-loop-manip.c: Include params.h.
17369 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
17370 tree_unroll_loop): New functions.
17371 * tree-pass.h (pass_loop_prefetch): Declare.
17372 * loop.c (rest_of_handle_loop_optimize): Test for
17373 -fprefetch-loop-arrays-rtl.
17374 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
17375 * timevar.def (TV_TREE_PREFETCH): New timevar.
17376 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
17377 pass_loop_prefetch): New.
17378 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
17379 (cleanup_tree_cfg_loop): Call scev_reset.
17380 * common.opt (fprefetch-loop-arrays-rtl): Add.
17381 * tree-ssa-loop-prefetch.c: New file.
17382 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
17383 (new_temp_expr_table): Initialize expr_vars.
17384 (free_temp_expr_table): Cleanup expr_vars.
17385 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
17386 expressions from being merged into one.
17387 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
17388 (struct tree_niter_desc): Add control, bound and cmp fields.
17389 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
17391 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
17392 (tree-cfgcleanup.o): Add SCEV_H dependency.
17393 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
17394 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
17396 2006-02-14 Richard Guenther <rguenther@suse.de>
17398 PR tree-optimization/26258
17399 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
17400 in PHI argument processing.
17402 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
17404 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
17405 new expression in the requested machine mode.
17407 2006-02-13 Roger Sayle <roger@eyesopen.com>
17409 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
17410 directly, instead let do_compare_rtx_and_jump handle this for us.
17411 * expr.c (expand_expr_real_1): Likewise.
17412 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
17413 before do_jump_by_parts_greater.
17414 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
17415 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
17417 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17419 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
17421 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17423 PR rtl-optimization/26235
17424 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
17425 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
17428 2006-02-13 Jeff Law <law@redhat.com>
17430 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
17433 2006-02-13 Jakub Jelinek <jakub@redhat.com>
17435 PR middle-end/26092
17436 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
17437 twice if decl is a builtin. When trying again, call get_callee_fndecl
17438 first to verify it is still a builtin.
17440 2006-02-13 Geoffrey Keating <geoffk@apple.com>
17442 * dwarf2out.c (base_type_die): Don't add AT_name here.
17443 (subrange_type_die): Don't add AT_name here.
17444 (modified_type_die): Rearrange code flow. Do add AT_name here.
17446 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17448 PR rtl-optimization/26247
17449 PR rtl-optimization/26248
17450 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
17452 2006-02-13 Richard Sandiford <richard@codesourcery.com>
17454 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
17455 * config/fixtfdi.c: Likewise.
17456 * config/fixunstfdi.c: Likewise.
17457 * config/floatditf.c: Likewise.
17459 2006-02-13 Roger Sayle <roger@eyesopen.com>
17461 PR middle-end/24427
17462 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
17463 into (X,C2) if C1 is a subset of the bits of C2. Transform
17464 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
17466 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
17468 2006-02-13 Josh Conner <jconner@apple.com>
17471 * varasm.c (function_section): Check for section name before
17472 calling select_section on targets that define
17473 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
17474 unlikely_text_section instead of hot_function_section if
17475 first_function_block_is_cold.
17477 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
17479 PR middle-end/25335
17480 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
17482 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17484 PR rtl-optimization/26222
17485 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
17486 after tree->rtl expansion.
17487 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
17488 before passing it to emit_move_insn.
17490 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
17492 * doc/invoke.texi (-Write-strings): Document that it is enabled by
17494 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
17495 Clarify documentation.
17496 * c-common.h (warn_write_strings): Remove.
17497 * c-common.c (warn_write_strings): Likewise.
17498 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
17501 2006-02-12 Roger Sayle <roger@eyesopen.com>
17503 PR middle-end/25724
17504 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
17505 (do_jump_parts_zero_rtx): New function renamed from
17506 do_jump_parts_equality_rtx. Made static. Add a mode argument.
17507 (do_jump_parts_equality_rtx): New function split out from
17508 do_jump_parts_equality. Old implementation renamed as above.
17509 Call do_jump_parts_zero_rtx if either operand is zero.
17510 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
17511 do all of the heavy lifting.
17512 (do_compare_rtx_and_jump): Handle multi-word comparisons by
17513 calling either do_jump_by_parts_greater_rtx or
17514 do_jump_by_parts_equality_rtx.
17515 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
17516 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
17517 moved to do_compare_rtx_and_jump, call it directly.
17518 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
17519 mode argument. Call do_compare_rtx_and_jump.
17520 (emit_case_nodes): Update calls to do_jump_if_equal.
17522 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17524 PR rtl-optimization/26225
17525 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
17527 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17529 PR rtl-optimization/26232
17530 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
17532 2006-02-11 Jason Merrill <jason@redhat.com>
17535 * tree-inline.c (declare_return_variable): Just don't use the
17536 modify target if it's a gimple complex reg and the return slot
17539 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17541 * doc/contrib.texi: Update my entry.
17543 2006-02-10 Geoffrey Keating <geoffk@apple.com>
17545 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
17547 2006-02-10 Diego Novillo <dnovillo@redhat.com>
17549 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
17552 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
17554 * doc/invoke.texi (-floop-optimize2): Removed.
17555 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
17556 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
17557 Test flag_branch_on_count_reg only if HAVE_doloop_end.
17558 * common.opt (floop-optimize2): Removed.
17559 (fmove-loop-invariants): Enabled by default.
17561 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
17563 * tree-if-conv.c (combine_blocks): Free the result of
17564 get_loop_exit_edges.
17566 2006-02-10 Jeff Law <law@redhat.com>
17568 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
17570 PR tree-optimization/26213
17571 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
17572 loop trying to follow SSA_NAME_VALUE chains.
17574 2006-02-10 Richard Guenther <rguenther@suse.de>
17576 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
17577 deal with structures that end in implicitly variable sized arrays.
17579 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17581 PR rtl-optimization/24762
17582 * df-scan.c (df_bb_refs_record): Record correct registers defined on
17585 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17587 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
17588 (struct ivopts_data): Add regs_used field.
17589 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
17590 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
17591 instead of loop_data->regs_used;
17592 (free_loop_data): Do not free aux fields for loops.
17593 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
17594 and tree_ssa_iv_optimize_finalize.
17596 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
17598 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
17600 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17603 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
17604 computing the effective result type.
17606 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17608 PR inline-asm/16194
17609 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
17610 (tree_overlaps_hard_reg_set): Declare.
17611 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
17612 type and signature to match function type expected by walk_tree.
17613 (tree_overlaps_hard_reg_set): New function.
17614 (decl_conflicts_with_clobbers_p): Rename to:
17615 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
17616 Use tree_overlaps_hard_reg_set. Changed caller.
17617 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
17618 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
17619 * cris.c (cris_md_asm_clobbers): Likewise.
17621 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
17623 * reload1.c (emit_input_reload_insns): Delete code that tries to
17624 inherit using find_equiv_reg.
17626 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
17628 * c-common.h (flag_const_strings): Don't declare.
17629 * c-common.c (flag_const_strings): Remove.
17630 * c.opt (fconst_strings): Remove.
17631 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
17632 <OPT_Wwrite_strings>: Don't set flag_const_strings.
17633 (c_common_init_options): Don't set flag_const_strings.
17634 * doc/invoke.texi (-fno-const-strings): Remove documentation.
17636 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
17638 * arm.md (tlobits_cbranch): New pattern.
17639 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
17640 testing a single bit.
17642 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17645 * tree-ssa-pre.c (create_component_ref_by_pieces):
17646 Handle RETURN_DECL like VAR_DECL.
17648 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17650 PR middle-end/26134
17651 * fold-const.c (fold_indirect_ref_1): Fold
17652 "*(foo *)&complexfoo" to "__real__ complexfoo"
17653 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
17655 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17657 * tree-flow-inline.h (var_can_have_subvars):
17658 Volatile variables should not have subvariables.
17660 2006-02-09 Diego Novillo <dnovillo@redhat.com>
17663 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
17664 multiplying unsigned values.
17667 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
17669 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
17671 2006-02-08 Jason Merrill <jason@redhat.com>
17674 * tree.def: Elaborate on difference from MODIFY_EXPR.
17675 * doc/c-tree.texi (INIT_EXPR): Likewise.
17676 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
17677 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
17678 (gimplify_target_expr): Likewise.
17679 (gimplify_cond_expr): Remove target handling.
17680 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
17681 (gimplify_expr): Clobber it here.
17682 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
17683 Do return slot optimization if we have an INIT_EXPR.
17686 * tree-inline.c (declare_return_variable): Also clear
17687 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
17690 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
17692 PR middle-end/22439
17693 * gimplify.c (gimplify_one_sizepos): Fix typo.
17695 2006-02-08 Jeff Law <law@redhat.com>
17697 PR tree-optimization/21417
17698 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
17699 across a backedge if the control statement at the end of the
17700 block is data dependent on other statements in the same block.
17701 (record_temporary_equivalences_from_stmts): Remove over-conservative
17702 test for threading across backedges.
17704 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
17705 control statement, handle all three special cases in the same
17706 manner as they all have the same desired solution. No longer
17707 special case edge flag updating when the post dominator is
17710 2006-02-08 Roger Sayle <roger@eyesopen.com>
17712 * tree.def (CHAR_TYPE): Remove.
17713 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
17714 * dwarf2out.c (base_type_die, is_base_type): Likewise.
17715 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
17716 (gen_string_type_die): Delete unreachable function.
17718 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
17719 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
17720 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17721 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17722 * builtins.c (type_to_class): Likewise.
17723 * fold-const.c (fold_convert, build_range_check,
17724 merge_ranges): Likewise.
17725 * expr.c (count_type_elements): Likewise.
17726 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17727 * stor-layout.c (layout_type): Likewise.
17728 * ipa-type-escape.c (type_to_consider): Likewise.
17729 * gimplify.c (omp_firstprivatize_type_sizes,
17730 gimplify_type_sizes): Likewise.
17731 * explow.c (promote_mode): Likewise.
17732 * tree-sra.c (is_sra_scalar_type): Likewise.
17733 * varasm.c (output_constant): Likewise.
17734 * tree-inline.c (remap_type_1): Likewise.
17735 * convert.c (convert_to_pointer, convert_to_real,
17736 convert_to_integer, convert_to_complex): Likewise.
17738 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17740 * df-scan.c (df_def_record_1): A set destination may
17741 be a parallel regardless of mode.
17743 2006-02-08 Roger Sayle <roger@eyesopen.com>
17746 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17747 * config/mips/_tilib.c: Remove.
17748 * config/fixtfdi.c: New libgcc source file.
17749 * config/fixunstfdi.c: New source file.
17750 * config/floatditf.c: New source file.
17751 * config/floatunditf.c: New souce file.
17752 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17753 files above instead of config/mips/_tilib.c.
17754 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17756 2006-02-08 Jeff Law <law@redhat.com>
17758 PR tree-optimization/26169
17759 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17762 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17764 * df.h (DF_REG_SIZE): Return the length of the initialized
17767 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17769 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17770 __muldf3): Return a correctly signed zero.
17772 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17774 * passes.c (register_one_dump_file): Accept the current properties
17775 instead of pass number. Adjust call to dump_register. Remove
17777 (register_dump_files): Now a wrapper around...
17778 (register_dump_files_1): ... this one. Do not modify the pass
17780 (next_pass_1): Cosmetic fix.
17781 (execute_todo): Keep second parameter only. Use curr_properties
17782 instead of fetching it from the pass structure. Check and set
17784 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17785 instead of fetching it from the pass structure. Fix calls to
17786 execute_todo. Update curr_properties and initialize .vcg RTL dump
17787 after running the pass. Reset last_verified.
17788 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17790 (FIRST_AUTO_NUMBERED_DUMP): New.
17791 (dump_register): Remove "num" parameter, assign it within the
17793 (get_dump_file_name): Modify template for dumps.
17794 * tree-dump.h (dump_register): Adjust prototype.
17795 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17796 (PROP_trees): Add PROP_gimple_lomp.
17797 (TODO_set_props): New.
17798 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17799 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17800 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17802 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17804 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17805 (sparc64-*-linux*): Likewise.
17806 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17807 * config/sparc/t-linux: New file.
17808 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17809 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17810 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17811 -m32 -mlong-double-128.
17813 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17814 * config/alpha/t-linux: New file.
17815 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17817 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17818 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17819 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17820 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17821 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17822 (CPP_ARCH32_SPEC): Remove.
17824 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17826 PR tree-optimization/26145
17827 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17830 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17833 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17834 >= 240000 when generating code for SOM runtime.
17835 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17836 to $$dyncall when generating code for SOM runtime..
17838 2006-02-07 Dirk Mueller <dmueller@suse.com>
17841 * doc/invoke.texi (-Wsequence-point): Update documentation
17842 that -Wsequence-point is implemented for C++ as well.
17844 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17846 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17847 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17848 (LIB_SPEC): Likewise.
17849 * doc/invoke.texi (SPARC options): Document -pthread.
17851 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17853 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17856 2006-02-07 Roger Sayle <roger@eyesopen.com>
17858 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17859 Correct comment describing BOOLEAN_TYPE.
17861 2006-02-07 Dirk Mueller <dmueller@suse.com>
17863 * c.opt: C++ frontend supports -Wdiv-by-zero.
17864 * c-opts.c (c_common_handle_option): Remove dead case.
17866 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17868 * configure.ac (TLS assembler check): Do not enable TLS by
17869 default on SPARC/Solaris before version 10.
17870 * configure: Regenerate.
17872 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17874 * doc/invoke.texi (xl-compat): Document conversion and support
17877 2006-02-07 Jeff Law <law@redhat.com>
17879 * tree-vrp.c (find_conditional_asserts): Update comments.
17880 (simplify_stmt_for_jump_threading): New.
17881 (identify_jump_threads, finalize_jump_threads): New.
17882 (vrp_finalize): Call identify_jump_threads.
17883 (execute_vrp): Call finalize_jump_threads.
17884 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17885 (vrp_element, vrp_data, vrp_element_p): Remove.
17886 (vrp_hash_elt, vrp_variables_stack): Remove.
17887 (vrp_hash, vrp_eq, record_range): Remove.
17888 (simplify_cond_and_lookup_avail_expr): Remove.
17889 (extract_range_from_cond): Remove.
17890 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17891 (simplify_stmt_for_jump_threading): New.
17892 (dom_thread_across_edge): New wrapper.
17893 (tree_ssa_dominator_optimize): No longer initialize or
17894 finalize any of the VRP datastructures. Remove iteration
17895 step and simplify as a result of removal of iteration step.
17896 (pass_dominator): Perform a cfg cleanup after DOM.
17897 (dom_opt_finalize_block): Use the new common routines
17898 for threading jumps. Simplify stack management slightly.
17899 No longer need to unwind VRP state.
17900 (record_equivalences_from_incoming_edge): No longer record
17902 (eliminate_redundant_computations): No longer call
17903 simplify_cond_and_lookup_avail_expr.
17904 * tree-flow.h (potentially_threadable_block): Prototype.
17905 (thread_across_edge): Likewise.
17906 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17907 (tree-ssa-threadedge.o): Add dependencies.
17908 * tree-ssa-threadedge.c: New file.
17909 * passes.c (init_optimization_passes): Merge PHIs before
17910 calling VRP. Run VRP again late in the SSA optimization pipeline.
17912 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17914 * df-core.c (df_set_blocks): Do not dereference function pointers.
17915 (df_finish1): Likewise.
17916 (df_hybrid_search_forward): Likewise.
17917 (df_hybrid_search_backward): Likewise.
17918 (df_iterative_dataflow): Likewise.
17919 (df_analyze_problem): Likewise.
17920 (df_compact_blocks): Likewise.
17921 (df_dump): Likewise.
17922 * df-scan.c (df_rescan_blocks): Likewise.
17923 (df_record_entry_block_defs): Likewise.
17925 * genconditions.c (write_conditions): Guard the definition of
17926 'insn_conditions' with the check on GCC version.
17927 (write_writer): Guard the traversal 'insn_conditions' with
17928 the check on GCC version.
17930 2006-02-07 Richard Guenther <rguenther@suse.de>
17934 2006-01-30 Richard Guenther <rguenther@suse.de>
17936 * gimplify.c (gimplify_target_expr): Handle easy cases
17937 without creating a temporary.
17939 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
17941 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
17942 use of float in probability computations. Use edge probabilities
17943 in place of statically computed probabilities.
17944 (min_spec_prob): New static variable.
17945 (schedule_insns): Initialize it.
17946 (GET_SRC_PROB): Removed.
17947 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
17949 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
17952 * config/ia64/unwind-ia64.c: Revert last change.
17953 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
17954 (INCOMING_FRAME_SP_OFFSET): Define.
17956 2006-02-06 Roger Sayle <roger@eyesopen.com>
17958 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
17960 2006-02-07 Ben Elliston <bje@au.ibm.com>
17962 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
17963 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
17964 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
17965 (ix86_return_in_memory): Handle TDmode.
17966 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
17967 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
17969 2006-02-06 Richard Sandiford <richard@codesourcery.com>
17971 * reorg.c (dbr_schedule): Use dump_file instead of file.
17973 2006-02-06 Steve Ellcey <sje@cup.hp.com>
17976 * config/ia64/predicates.md (extr_len_operand): New predicate.
17977 * config/ia64/ia64.md (extv): Tighten constraints.
17979 (*tbit_and_2): Ditto.
17980 (*tbit_and_3): Ditto.
17981 (*tbit_or_2): Ditto.
17982 (*tbit_or_3): Ditto.
17983 (*bit_zero): Ditto.
17986 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
17989 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
17991 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
17993 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
17994 loop_optimizer_init and loop_optimizer_finalize
17995 * tree-ssa-sink.c (execute_sink_code): Ditto.
17996 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17997 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
17998 tree_ssa_loop_done): Ditto.
17999 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
18000 * sched-ebb.c: Include output.h.
18001 (schedule_ebbs): Do not use dump argument.
18002 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
18003 * loop.c (loop_dump_stream): Removed.
18004 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
18006 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
18007 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
18008 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
18009 loop_iterations, strength_reduce, record_biv, record_giv,
18010 final_giv_value, check_final_value, check_ext_dependent_givs,
18011 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
18012 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
18013 dump_file instead of loop_dump_stream.
18014 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
18015 argument dump_file.
18016 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
18018 * flow.c (life_analysis, rest_of_handle_life): Ditto.
18019 * haifa-sched.c: Include output.h
18020 (schedule_insns, sched_init): Do not use dump argument.
18021 * mode-switching.c (optimize_mode_switching): Ditto.
18022 * modulo-sched.c (stats_file): Removed.
18023 (print_node_sched_params): Do not call argument dump_file.
18024 (sms_schedule_by_order, loop_canon_p, sms_schedule,
18025 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
18027 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
18029 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
18030 rtl_loop_init, rtl_loop_done): Ditto.
18031 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
18032 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
18034 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
18035 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
18036 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
18037 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
18038 * emit-rtl.c (renumber_insns): Ditto.
18039 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
18040 expand_gimple_basic_block, tree_expand_cfg): Ditto.
18041 * regclass.c (regclass): Ditto.
18042 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
18043 remove_ssa_form, rewrite_out_of_ssa): Ditto.
18044 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
18045 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
18047 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
18048 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
18050 * gcse.c (gcse_file, debug_stderr): Removed.
18051 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
18052 rest_of_handle_gcse): Do not use dump argument.
18053 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
18054 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
18055 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
18056 compute_code_hoist_vbeinout, compute_code_hoist_data,
18057 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
18058 compute_store_table, build_store_vectors, insert_insn_start_bb,
18059 insert_store, remove_reachable_equiv_notes, replace_store_insn,
18060 store_motion): Use dump_file instead of gcse_file.
18061 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
18062 * profile.c (profile_dump_file): Removed.
18063 (branch_prob): Use dump_file instead of profile_dump_file.
18064 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
18066 * tree-ssa-copy.c (dump_copy_of): Ditto.
18067 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
18068 dump file to life_analysis.
18069 * bt-load.c (branch_target_load_optimize): Ditto.
18070 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
18072 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
18073 regclass, dbr_schedule): Declaration changed.
18074 * sched-int.h (sched_init): Declaration changed.
18075 * tree-profile.c (tree_profile_dump_file): Removed.
18076 (tree_profile_hooks): Removed profile_dump_file hook.
18077 * rtl-profile (rtl_profile_dump_file): Removed.
18078 (rtl_profile_hooks): emoved profile_dump_file hook.
18079 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
18081 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
18082 * tree-cfg.c (build_tree_cfg): Ditto.
18083 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
18084 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
18085 Declaration changed.
18086 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
18087 life_analysis and schedule_insns.
18088 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
18090 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
18092 * config/mips/mips.c (mips_reorg): Ditto.
18093 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
18096 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
18098 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18099 (s390_mangle_fundamental_type): New.
18100 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18103 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18104 (alpha_mangle_fundamental_type): New.
18105 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18108 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18110 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
18112 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18113 (sparc_mangle_fundamental_type): New.
18115 2006-02-06 Jakub Jelinek <jakub@redhat.com>
18117 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
18118 (s390x-*-linux*): Likewise.
18119 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
18120 * config/s390/t-linux: New file.
18122 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18124 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
18125 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
18127 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
18129 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
18130 (ANTIC_SAFE_LOADS): New macro.
18131 (find_or_generate_expression): Add prototype.
18132 (set_contains_value): Allow null set for sake of not always having
18133 to allocate ANTIC_SAFE_LOADS.
18134 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
18135 Allow COMPONENT_REF too.
18136 (valid_in_set): Allow COMPONENT_REF.
18137 Check ANTIC_SAFE_LOADS too.
18138 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
18139 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
18141 (can_PRE_operation): Add COMPONENT_REF.
18142 (create_component_ref_by_pieces): New function.
18143 (create_expression_by_pieces): Use create_component_ref_by_pieces.
18144 (insert_aux): Move AGGREGATE_TYPE_P check here.
18145 (compute_avail): Set bb local stmt uids.
18146 (pass_pre): Use TODO_update_ssa_only_virtuals.
18148 2006-02-06 Ben Elliston <bje@au.ibm.com>
18150 * configure.ac: Unconditionally disable decimal float by default.
18151 * configure: Regenerate.
18153 2006-02-06 Ben Elliston <bje@au.ibm.com>
18155 * read-rtl.c (read_name): Terminate reading on EOF.
18157 2006-02-06 Ben Elliston <bje@au.ibm.com>
18159 * dfp.c (decimal_real_arithmetic): Change second argument type
18160 from int to enum tree_code. Do not always return true, but now
18161 return result of any call to decimal_do helper functions.
18162 * dfp.h (decimal_real_arithmetic): Update prototype.
18164 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
18166 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
18168 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
18171 * tree-cfg.c (cleanup_dead_labels): Also don't remove
18174 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18176 * tree-vrp.c (cfg_loops): Removed.
18177 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
18178 Use current_loops instead of cfg_loops. Pass flags to
18179 loop_optimizer_init.
18180 * cfgloopmanip.c (fix_loop_structure): Update only available
18182 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
18183 loop_optimizer_init.
18184 * modulo-sched.c (build_loops_structure): Removed.
18185 (sms_schedule): Use loop_optimizer_init.
18186 * loop-init.c (loop_optimizer_init): Use flags to determine
18187 which properties of loops to prepare.
18188 (rtl_loop_init): Pass flags to loop_optimizer_init.
18189 * tree-ssa-sink.c (execute_sink_code): Ditto.
18190 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
18191 * tree-ssa-pre.c (init_pre): Ditto.
18192 * cfgloop.h (LOOPS_NORMAL): New.
18193 (loop_optimizer_init): Declaration changed.
18195 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18197 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
18198 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
18200 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
18202 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
18204 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
18205 * pa/t-pa64: Delete quadlib.c rule.
18206 * pa/x-ada: Revert last change.
18207 * pa/t-pa: Revert last change. Delete quadlib.c rule.
18209 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18211 PR rtl-optimization/26087
18212 * rtlanal.c (canonicalize_condition): Do not cross basic block
18215 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
18218 * config/ia64/ia64.c: Include debug.h.
18219 (MAX_ARTIFICIAL_LABEL_BYTES): New.
18220 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
18221 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
18222 (process_epilogue, process_set, process_for_unwind_directive):
18223 Output unwind info only if requested. Add CFA info if requested.
18224 Add new arguments as needed. Adjust callers.
18225 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
18227 (DWARF2_FRAME_INFO): Define to zero.
18228 * config/ia64/unwind-ia64.c: Remove code that compensated for
18229 the CFA offset error fixed above.
18230 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
18231 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
18232 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
18233 -funwind-tables and -fexceptions to enable frame info.
18234 (dwarf2out_frame_init): Define initial CFA even if
18235 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
18236 DWARF2_UNWIND_INFO is nonzero, not just defined.
18237 (dwarf2out_frame_finish): Output non-EH call frame info only
18238 if DWARF2_FRAME_INFO is nonzero.
18239 (convert_cfa_to_loc_list,
18240 compute_frame_pointer_to_cfa_displacement): Define even if
18241 unwind info is not supported.
18242 (gen_subprogram_die): Use the above unconditionally. Remove
18243 legacy alternate code.
18244 * toplev.c (compile_file): Compile in call to
18245 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
18246 (lang_dependent_init): Ditto for dwarf2out_frame_init.
18248 2006-02-04 David Edelsohn <edelsohn@gnu.org>
18249 Jakub Jelinek <jakub@redhat.com>
18251 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
18252 IBM extended float format long double as "g" on powerpc*-linux.
18254 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18257 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
18258 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
18260 2006-02-03 Jason Merrill <jason@redhat.com>
18263 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
18265 PR middle-end/25977
18266 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
18267 on the return slot if it's an NRV.
18269 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
18271 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
18272 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
18273 rewrite_use): Do not handle USE_OUTER.
18274 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
18275 add_iv_outer_candidates, may_replace_final_value,
18276 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
18277 (find_interesting_uses_op): Functionality of
18278 find_interesting_uses_outer_or_nonlin moved here.
18279 (find_interesting_uses_outside): Use find_interesting_uses_op.
18281 2006-02-03 Alan Modra <amodra@bigpond.net.au>
18284 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
18286 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
18287 Ulrich Weigand <uweigand@de.ibm.com>
18290 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
18291 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
18292 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
18293 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
18295 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
18296 (s390_rtx_costs): Use the new fields to calculate rtx costs.
18297 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
18298 Define secondary reloads for TFmode moves.
18299 (constant_modes): Add TFmode.
18300 (NR_C_MODES): Set to 8.
18301 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
18303 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
18304 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
18305 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
18306 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
18307 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
18308 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
18309 (FPR mode macro): Add TFmode.
18310 (DSF mode macro): New.
18311 (<de>, <dee> mode attributes): Removed.
18312 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
18313 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
18314 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
18315 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
18316 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
18317 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
18318 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
18319 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
18320 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
18321 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
18322 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
18323 "*negabs<mode>2", "sqrt<mode>2"):
18324 Changed <de> to <xde>. R constraint replaced by <Rf>.
18325 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
18327 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
18328 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
18329 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
18331 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
18332 "extenddftf2", "extendsftf2"): New expanders.
18333 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
18334 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
18335 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
18336 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
18338 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
18339 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
18340 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
18341 __floatditf): Add a GCC_4.1.0 symbol version tag.
18342 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
18345 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
18348 * config/i386/i386.c (ix86_function_ok_for_sibcall):
18349 Use targetm.binds_local_p instead of TREE_PUBLIC.
18351 2006-02-02 Roger Sayle <roger@eyesopen.com>
18353 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
18354 on INTEGER_TYPEs to indicate that it denotes a character type.
18355 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
18356 signed_char_type_node, unsigned_char_type_node and char_type_node.
18357 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
18358 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
18359 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
18361 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
18362 Daniel Berlin <dberlin@dberlin.org>
18364 * tree-tailcall.c (arg_needs_copy_p): New function.
18365 (eliminate_tail_call): Use arg_needs_copy_p.
18366 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
18367 (add_virtual_phis): New function.
18369 2006-02-02 Jakub Jelinek <jakub@redhat.com>
18371 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
18372 #ignore instead of #scratch for %g7 .register directive.
18374 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
18376 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
18379 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18381 * flow.c (calculate_global_regs_live): Assert that there aren't any
18384 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
18386 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
18387 what its name says.
18388 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
18389 bsi_after_labels iterator.
18390 * tree-if-conv.c (find_phi_replacement_condition,
18391 replace_phi_with_cond_modify_expr): Likewise.
18392 * tree-scalar-evolution.c (scev_const_prop): Likewise.
18393 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
18395 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18397 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
18399 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18402 * tree-cfg.c (move_block_to_fn): Clear out the basic block
18403 array after growing it.
18405 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18407 PR middle-end/24901
18408 * fold-const.c (fold_checksum_tree): Change type of buf.
18410 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
18412 * reload.c (push_secondary_reload): Initialize t_icode.
18414 2006-02-01 Jakub Jelinek <jakub@redhat.com>
18416 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
18417 -msoft-float -mlong-double-128 only issue a warning, but don't
18418 swich to DFmode long double.
18420 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
18422 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
18423 has a constant equivalent, iterate over equivalents for arg0,
18424 calling simplify_relational_operation and if there's a result
18425 cheaper than X, apply fold_rtx and return the result.
18427 2006-02-01 Jan Hubicka <jh@suse.cz>
18429 * opts.c (no_unit_at_a_time_default): New global variable.
18430 (decode_options): Use it.
18431 * opts.h (no_unit_at_a_time_default): Declare.
18433 2006-02-01 Paul Brook <paul@codesourcery.com>
18435 * function.c (assign_parm_setup_reg): Use function argument promotion
18437 * expr.c (expand_expr_real_1): Use function argument promotion rules
18440 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18442 * gcc.c (process_command): Change j to 'unsigned int'.
18444 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18446 PR middle-end/26001
18447 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
18448 Use the corrected index for the character
18449 out of the string constant.
18451 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18453 * mode-switching.c (optimize_mode_switching): Fix size
18454 allocated for bb_info[n_entities].
18456 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18458 * gcc.c (main): Correct type that is allocated for
18459 explicit_link_files.
18461 2006-01-31 Jakub Jelinek <jakub@redhat.com>
18463 * config/s390/s390.c (init_alignment_context): Set
18464 ALIAS_SET_MEMORY_BARRIER on the MEM.
18465 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
18467 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
18469 PR middle-end/25933
18470 * loop-unroll.c (unroll_loop_runtime_iterations): Free
18472 * tree-ssa-live.c (type_var_init): Allocate bitmap after
18475 2006-01-31 Marcin Dalecki <martin@dalecki.de>
18477 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
18478 * regrename.c: Ditto.
18479 * tree-ssa-loop-im.c: Ditto.
18480 * tree-dump.c: Ditto.
18481 * tree-complex.c: Ditto.
18482 * genrecog.c: Ditto.
18483 * tree-ssa-threadupdate.c: Ditto.
18485 * java/class.c: Ditto.
18486 * java/jcf-parse.c: Ditto.
18487 * java/resource.c: Ditto.
18488 * java/except.c: Ditto.
18489 * java/jvspec.c: Ditto.
18490 * java/jcf-write.c: Ditto.
18491 * java/jcf-path.c: Ditto.
18492 * java/gjavah.c: Ditto.
18493 * java/zextract.c: Ditto.
18494 * java/jcf-io.c: Ditto.
18495 * java/jcf.h: Ditto.
18496 * java/buffer.c: Ditto.
18497 * java/lang.c: Ditto.
18498 * java/parse-scan.y: Ditto.
18499 * java/lex.c: Ditto.
18500 * java/lex.h: Ditto.
18501 * cfgloopmanip.c: Ditto.
18502 * postreload-gcse.c: Ditto.
18503 * tree-ssa-loop-manip.c: Ditto.
18504 * postreload.c: Ditto.
18505 * tree-ssa-loop-ch.c: Ditto.
18508 * cppspec.c: Ditto.
18509 * diagnostic.c: Ditto.
18511 * genoutput.c: Ditto.
18513 * cfghooks.c: Ditto.
18514 * cfgloopanal.c: Ditto.
18515 * objc/objc-act.c: Ditto.
18517 * genextract.c: Ditto.
18518 * genautomata.c: Ditto.
18519 * pretty-print.c: Ditto.
18520 * genemit.c: Ditto.
18521 * cgraphunit.c: Ditto.
18523 * df-scan.c: Ditto.
18524 * haifa-sched.c: Ditto.
18525 * dominance.c: Ditto.
18527 * tree-ssa-loop-ivopts.c: Ditto.
18528 * df-core.c: Ditto.
18529 * mode-switching.c: Ditto.
18530 * modulo-sched.c: Ditto.
18532 * ipa-pure-const.c: Ditto.
18534 * fix-header.c: Ditto.
18536 * tree-stdarg.c: Ditto.
18537 * ipa-utils.c: Ditto.
18538 * loop-init.c: Ditto.
18539 * ipa-inline.c: Ditto.
18540 * cfganal.c: Ditto.
18542 * alloc-pool.c: Ditto.
18543 * dwarf2out.c: Ditto.
18545 * genattrtab.c: Ditto.
18546 * tree-ssa-loop-ivcanon.c: Ditto.
18547 * predict.c: Ditto.
18548 * timevar.c: Ditto.
18550 * fortran/gfortranspec.c: Ditto.
18551 * regmove.c: Ditto.
18552 * local-alloc.c: Ditto.
18553 * langhooks.c: Ditto.
18554 * function.c: Ditto.
18555 * tree-vectorizer.c: Ditto.
18557 * ipa-type-escape.c: Ditto.
18559 * tree-if-conv.c: Ditto.
18560 * profile.c: Ditto.
18562 * tree-data-ref.c: Ditto.
18563 * loop-unroll.c: Ditto.
18564 * treelang/treetree.c: Ditto.
18566 * bt-load.c: Ditto.
18567 * ggc-common.c: Ditto.
18569 * coverage.c: Ditto.
18571 * tree-cfgcleanup.c: Ditto.
18572 * tree-ssa-pre.c: Ditto.
18573 * cfgcleanup.c: Ditto.
18574 * loop-invariant.c: Ditto.
18575 * loop-iv.c: Ditto.
18576 * ipa-prop.c: Ditto.
18577 * print-tree.c: Ditto.
18578 * conflict.c: Ditto.
18579 * ggc-page.c: Ditto.
18580 * sched-deps.c: Ditto.
18581 * regclass.c: Ditto.
18582 * tree-object-size.c: Ditto.
18583 * combine.c: Ditto.
18584 * bb-reorder.c: Ditto.
18585 * resource.c: Ditto.
18586 * var-tracking.c: Ditto.
18587 * cfgloop.c: Ditto.
18588 * df-problems.c: Ditto.
18589 * reg-stack.c: Ditto.
18591 * gccspec.c: Ditto.
18592 * sched-rgn.c: Ditto.
18593 * tree-ssa-structalias.c: Ditto.
18594 * tree-ssa-reassoc.c: Ditto.
18595 * config/darwin-c.c: Ditto.
18596 * config/darwin.c: Ditto.
18597 * config/arm/arm.c: Ditto.
18599 * collect2.c: Ditto.
18600 * reload1.c: Ditto.
18602 2006-01-31 Nicolas Pitre <nico@cam.org>
18604 * arm.md (smaxsi3): Make aware of smax_m1.
18607 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
18609 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
18611 2006-01-31 Richard Guenther <rguenther@suse.de>
18613 * doc/invoke.texi (-msselibm): Document.
18614 * target.h (expand_library_builtin): New target hook.
18615 * builtins.c (expand_builtin): Use expand_library_builtin.
18616 (default_expand_library_builtin): New function.
18617 * gcc.c (LINK_GCC_MATH_SPEC): Define.
18618 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
18619 (link_gcc_math_spec): Declare.
18620 (static_specs): Add link_gcc_math_spec.
18621 * expr.h (default_expand_library_builtin): Declare.
18622 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18623 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
18624 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
18625 * config/i386/i386.opt (msselibm): New target option.
18626 * config/i386/i386.c (ix86_builtin_function_variants): New array.
18627 (ix86_init_sse_abi_builtins): New function.
18628 (ix86_expand_library_builtin): Likewise.
18629 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18630 (override_options): Handle error conditions wrt -msselibm.
18631 (ix86_builtins): Add function codes for SSE2 ABI builtins.
18632 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
18633 * doc/extend.texi (__builtin_sse2_*): Document new target specific
18636 2006-01-31 Richard Guenther <rguenther@suse.de>
18637 Paolo Bonzini <bonzini@gnu.org>
18639 * doc/install.texi (--disable-libgcc-math): Document.
18641 2006-01-30 Marcin Dalecki <martin@dalecki.de>
18643 * expr.h (expand_normal): new inline function.
18644 * builtins.c: use it, use EXPAND_NORMAL explicitely.
18645 * dojump.c: use it.
18646 * dwarf2out.c: use it.
18649 * expmed.c: use it.
18650 * except.c: use it.
18651 * config/sparc/sparc.c: use it.
18652 * config/i386/i386.c: use it.
18653 * config/rs6000/rs6000.c: use it.
18654 * config/arm/arm.c: use it.
18655 * config/mips/mips.c: use it.
18656 * stmt.c: use it, use EXPAND_NORMAL explicitely.
18658 2006-01-30 Roger Sayle <roger@eyesopen.com>
18660 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
18661 argv to the appropriate type.
18663 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
18665 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
18668 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
18671 * config/s390/s390.c (struct machine_function): New flag
18672 decomposed_literal_pool_addresses_ok_p.
18673 (s390_reorg): Set it before final stage of literal pool transforms.
18674 (s390_decompose_address): Only accept displacements of the form
18675 (minus (label_ref ...) (label_ref ...)) if that flag is set.
18677 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
18679 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
18680 the comparison routine return.
18682 2006-01-30 Michael Matz <matz@suse.de>
18684 * global.c (find_reg): Only evict for global regs.
18685 Take n_refs into account and dump more info.
18687 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
18690 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
18691 (pragma_trap, pragma_nosave_low_regs): Likewise.
18692 (current_function_anonymous_args): Likewise.
18693 (sh_deferred_function_attributes): New variable.
18694 (sh_deferred_function_attributes_tail): Likewise.
18695 (print_operand): For '@', look up trap_exit attribute.
18696 (calc_live_regs): Look up trapa_handler attribute. For trapa
18697 handlers, save/restore fpscr, but don't do any other
18698 interrupt-specific saves.
18699 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
18700 Fix check for partially saved registers to check for SHmedia.
18701 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
18702 (sh_output_function_epilogue): Don't clear any of the removed
18704 (sh_insert_attributes): Don't check pragma_interrupt.
18705 Insert deferred attributes. Check that interrupt attribute is
18706 present for other attributes that require its presence.
18707 (sh_attribute_table): Add new attributes trapa_handler and
18709 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
18710 Don't check for pragma_interrupt. Don't store argument.
18711 * sh.h (pragma_interrupt, sp_switch): Don't declare.
18712 (sh_deferred_function_attributes): Declare.
18713 (sh_deferred_function_attributes_tail): Likewise.
18714 * sh.md (sp_switch_1): Add operand. Change generator caller.
18715 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
18716 (*return_i): Don't use when trap_exit attribute is in effect.
18717 (*return_trapa): New insn pattern.
18718 * sh-c.c: New file.
18719 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
18720 setting c_target_objs and cxx_target_objs.
18721 * t-sh: Add rule for sh-c.o.
18723 2006-01-30 Richard Guenther <rguenther@suse.de>
18726 * gimplify.c (gimplify_target_expr): Handle easy cases
18727 without creating a temporary.
18729 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18731 * vec.h (safe_grow): Remove duplicated line.
18733 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18736 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18737 (expand_omp): ... here.
18738 (expand_omp_parallel): Only remove barriers for combined
18739 parallel+workshare constructs.
18741 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18745 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18746 * tree.c (build_qualified_type): Chain the new type to the original
18747 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18748 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18749 (build_pointer_type_for_mode): Only return unqualified types.
18750 (build_reference_type_for_mode): Likewise.
18752 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18754 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18755 * Makefile.in (CXX_COMPAT_WARN): Define.
18756 * configure: Regenerate.
18758 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18761 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18764 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18766 * toplev.c: Fix thinko.
18768 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18769 Marcin Dalecki <martin@dalecki.de>
18771 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18772 (push_srcloc): Use XNEW.
18773 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18775 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18777 * df-core.c (df_set_blocks): Deleted all variable.
18779 2006-01-28 Ian Lance Taylor <ian@airs.com>
18781 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18782 cgraph_output_pending_asms.
18784 2006-01-28 Zack Weinberg <zackw@panix.com>
18786 * c.opt: Add -W(no-)overlength-strings.
18787 * doc/invoke.texi: Document it.
18788 * c-opts.c (c_common_handle_option): -pedantic implies
18789 -Woverlength-strings, if not explicitly disabled already.
18790 (c_common_post_options): -Woverlength-strings defaults to off, and
18791 is always off for C++.
18792 * c-common.c (fix_string_type): Issue warning about strings longer
18793 than is portable only if warn_overlength_strings. Rearrange code
18794 a little for clarity.
18795 * configure.in: Check for -Wno-overlength-strings as well before
18796 enabling -pedantic in stage 1.
18797 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18798 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18800 * genconditions.c (write_header, write_one_condition)
18801 (write_conditions, write_writer): Consolidate very long strings
18802 that were broken up to fit in C89 portable limit. Don't use
18803 printf when fputs will do.
18805 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18807 * combine.c (simplify_comparison <AND>): Check
18808 TRULY_NOOP_TRUNCATION before start using a subreg.
18810 * config/mips/mips.md (*branch_zero<mode>,
18811 *branch_zero<mode>_inverted, *branch_equality<mode>,
18812 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18813 Remove mode check from comparisons.
18815 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18817 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18819 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18821 * expmed.c (const_mult_add_overflow_p): Remove.
18822 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18824 * recog.c (validate_replace_rtx_subexp): Remove.
18825 * recog.h: Remove the prototype for
18826 validate_replace_rtx_subexp.
18828 * integrate.h: Remove the prototype for
18829 copy_decl_for_inlining.
18830 * rtl.h: Remove the prototype for mark_constant_function.
18831 * tree-vectorizer.h: Remove the prototype for
18832 vect_strip_conversion.
18834 * modulo-sched.c (create_partial_schedule,
18835 free_partial_schedule, reset_partial_schedule): Make them
18838 * hooks.c (hook_bool_rtx_int_false): Remove.
18839 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18841 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18843 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18844 and -mlong-double-128 are incompatible.
18845 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18846 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18847 (TARGET_LIBGCC2_CFLAGS): Define.
18848 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18849 (TARGET_LIBGCC2_CFLAGS): Same.
18850 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18852 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18855 * c-typeck.c (build_binary_op): Perform implicit casts of
18856 operands before shortening them.
18858 * cfgloopmanip.c (split_loop_bb): Remove.
18859 * cfgloop.h: Remove the prototype for split_loop_bb.
18861 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18862 * cfgloop.h: Remove the prototype for
18863 flow_loop_outside_edge_p.
18865 * emit-rtl.c (init_virtual_regs): Make it static.
18866 * function.h: Remove the prototype for init_virtual_regs.
18868 * recog.c (peephole2_optimize): Make it static.
18869 * recog.h: Remove the prototype for peephole2_optimize.
18871 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18873 * df-scan.c (df_record_entry_block_defs): Check if
18874 INCOMING_RETURN_ADDR_RTX is defined.
18876 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18877 Kenneth Zadeck <zadeck@naturalbridge.com>
18879 PR rtl-optimization/24762
18880 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18881 * targhooks.c (hook_void_bitmap): New hook prototype.
18882 * targhoohs.h (hook_void_bitmap): Ditto.
18883 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18884 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18885 * target.h (live_on_entry): New function pointer.
18886 * df-scan.c (df_all_hard_regs): Removed.
18887 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18888 (df_scan_free_internal): Added df->entry_block_defs.
18889 (df_scan_alloc): Ditto.
18890 (df_scan_dump): Ditto.
18891 (df_uses_record): Plumbed flag field properly thru calls.
18892 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18893 This part fixes PR24762.
18894 (df_bb_refs_record): Added code to make the frame and arg
18895 pointers live in EH blocks.
18896 (df_refs_record): Added call to df_record_entry_block_defs.
18897 (df_record_entry_block_defs): New function.
18898 * df-core.c: Added comments to describe new artifical defs.
18899 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18900 (entry_block_defs): New field in struct df.
18901 (df_all_hard_regs): Deleted.
18902 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18903 * df-problems.c (df_ru_bb_local_compute_process_def):
18904 Added code to handle artifical defs in the entry to a function.
18905 (df_ru_bb_local_compute): Ditto.
18906 (df_rd_bb_local_compute_process_def): Ditto.
18907 (df_rd_bb_local_compute): Ditto.
18908 (df_lr_bb_local_compute): Ditto.
18909 (df_ur_bb_local_compute): Ditto.
18910 (df_urec_bb_local_compute): Ditto.
18911 (df_chain_create_bb): Ditto.
18912 (df_ur_local_finalize): Removed entry.
18913 (df_urec_init): Ditto.
18914 (df_urec_local_finalize): Ditto.
18915 (df_ri_bb_compute): Added detection of last use of pseudos.
18916 * Makefile.in (df-scan.o): Updated dependencies.
18917 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18918 * config/mips/mips.c (mips_set_live_on_entry): Added.
18919 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18921 * dce.c (marked_insn_p): Added code to handle artifical defs.
18923 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18925 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18927 (_mm_cvtsi128_si64): Likewise.
18928 (_mm_cvtsd_si64): Likewise.
18929 (_mm_cvttsd_si64): Likewise.
18930 (_mm_cvtsi64_sd): Likewise.
18931 (_mm_cvtsi64_si128): Likewise.
18932 * config/i386/mmintrin.h (_m_from_int64): Likewise.
18933 (_mm_cvtsi64_m64): Likewise.
18934 (_m_to_int64): Likewise.
18935 (_mm_cvtm64_si64): Likewise.
18936 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
18937 (_mm_cvttss_si64): Likewise.
18938 (_mm_cvtsi64_ss): Likewise.
18939 (_mm_cvtss_f32): Likewise.
18941 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
18943 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
18944 for pragma redefine_extname.
18946 2006-01-27 Jakub Jelinek <jakub@redhat.com>
18949 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
18950 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
18951 -mno-minimal-toc to previous content.
18952 (bispecs): Remove goal.
18953 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
18954 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
18955 compatibility aliases on powerpc-*-*gnu*.
18956 * config/rs6000/libgcc-ppc-glibc.ver: New file.
18957 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
18958 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
18959 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
18960 (ldblspecs): New goal.
18961 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
18962 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
18964 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
18965 L_sf_to_tf or L_df_to_tf is defined.
18967 2006-01-27 David Edelsohn <edelsohn@gnu.org>
18968 Alan Modra <amodra@bigpond.net.au>
18971 * config/rs6000/linux.h (POWERPC_LINUX): Define.
18972 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
18973 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
18974 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
18975 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
18976 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
18977 (rs6000_override_options): Initialize rs6000_ieeequad.
18978 Initialize TFmode format to ibm_extended_format if not
18980 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
18982 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
18983 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
18984 (function_arg_advance): IBM long double passed in two FPRs, not
18986 (function_arg): IBM long double passed in FPRs.
18987 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
18988 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
18989 Only multireg GPR aligned.
18990 (rs6000_init_libfuncs): Enable IBM long double functions if not
18992 (rs6000_generate_compare): Use IBM long double compare if not
18994 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
18995 (TARGET_IEEEQUAD): Define.
18996 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
18997 not TARGET_IEEEQUAD.
18998 * config/rs6000/rs6000.md: Enable TFmode patterns if
19000 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
19001 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
19002 and -mlong-double-128 are incompatible.
19003 * doc/invoke.texi (-mabi): Collect options together. Add
19004 ibmlongdouble and ieeelongdouble.
19006 2006-01-27 Richard Sandiford <richard@codesourcery.com>
19008 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
19010 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
19011 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
19012 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
19013 * rtl.h (rtunion_def): Remove rt_ptr.
19015 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
19016 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
19017 * config/i386/winnt.c (i386_pe_mark_dllexport)
19018 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
19020 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
19022 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
19024 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19028 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
19029 pthread_key_delete. From John David Anglin. gthrw-ify
19030 pthread_getunique_np only if it it's not a macro. Delete
19032 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
19033 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
19034 __gthread_objc_condition_signal, __gthread_key_delete): Add
19035 "__attribute__ ((__unused__))" to unused arguments.
19036 (__gthread_recursive_mutex_init_function): Add missing return.
19037 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
19038 gthr-posix95.h: Use macro-based approach for name redirection
19039 on targets missing weakref.
19041 2006-01-26 Zack Weinberg <zackw@panix.com>
19043 * genconditions.c (write_header): In generated code, #ifdef out
19044 all includes and fake declarations, except includes of bconfig.h
19045 and system.h, unless GCC_VERSION >= 3001. Do not include
19046 gensupport.h in any case.
19047 (write_conditions): Generate a definition of struct c_test. Add
19048 a comment to the generated #endif.
19049 (write_one_condition): Escape backslashes in string too.
19050 (write_writer): Generated code must escape backslashes and quote
19051 marks (but not newlines) in the strings it writes.
19052 * Makefile.in (build/gencondmd.o): Update dependencies.
19054 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19057 * Makefile.in (insn-automata.o): Add header file dependencies.
19058 * genautomata.c: Add includes.
19060 2006-01-26 Steve Ellcey <sje@cup.hp.com>
19063 * Makefile.in (insn-automata.o): Add -Wno-error flag.
19065 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19067 * configure.ac: Expect target tools paths to be passed from the toplevel
19068 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
19070 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
19072 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
19075 * c.opt (Wpointer-sign): Init to -1.
19076 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
19077 OPT_pedantic, to 0 otherwise.
19078 * doc/invoke.texi: Update.
19080 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
19082 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
19083 constants provided by 80387 instructions in the destination mode.
19085 2006-01-26 Richard Guenther <rguenther@suse.de>
19086 Andrew Pinski <pinskia@physics.uc.edu>
19089 partial PR tree-opt/17064
19090 * tree-ssa-structalias.c (intra_create_variable_infos):
19091 Create heap variables for incoming parameters if
19092 flag_argument_noalias > 1.
19093 (find_what_p_points_to): Look through default defs of
19096 2006-01-26 Jeff Law <law@redhat.com>
19099 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
19100 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
19101 within the VR_RANGE, use the VR_RANGE as the result, not the
19103 (adjust_range_with_scev): Reject ranges from SCEV which are out of
19104 bounds for the type.
19106 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
19108 * tree-ssa-alias.c (maybe_create_global_var): Change
19109 subvar walking to an assertion that we don't have subvar'd variables.
19111 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
19114 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
19115 Use a new variable, inner. PARM_DECLs are always non-weak.
19117 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
19119 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
19120 --disable-checking.
19122 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
19124 * config/mips/mips.md (*clear_upper32): New combiner pattern.
19126 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
19128 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
19129 (smax_insn, smin_insn, smax_0, smin_0): New.
19131 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
19134 * config/cris/cris.c (cris_order_for_addsi3): New function.
19135 * config/cris/cris-protos.h: Prototype it.
19136 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
19137 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
19138 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
19139 (split for "op.S1 [rx=rx+i],ry (swapped)")
19140 (split for "op(s|u).S1 [rx=rx+i],ry")
19141 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
19142 Apply cris_order_for_addsi3 when generating addsi3 insns.
19144 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19146 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
19147 (TREE_BLOCK): Add call to EXPR_CHECK.
19149 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19152 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
19153 * tree-pretty-print.c (dump_omp_clause): Extract from ...
19154 (dump_omp_clauses): ... here.
19155 (dump_generic_node): Handle OMP_CLAUSE.
19156 * tree.c (omp_clause_num_ops): New.
19157 (omp_clause_code_name): New.
19158 (tree_code_size): Handle OMP_CLAUSE.
19159 (tree_size): Likewise.
19160 (make_node): Document handling of OMP_CLAUSE.
19161 (tree_node_structure): Handle OMP_CLAUSE.
19162 (omp_clause_check_failed): New.
19163 (omp_clause_range_check_failed): New.
19164 (omp_clause_operand_check_failed): New.
19165 (build_omp_clause): New.
19166 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
19167 * tree.h (enum omp_clause_code): Declare.
19168 (OMP_CLAUSE_SUBCODE_CHECK): Define.
19169 (OMP_CLAUSE_RANGE_CHECK): Define.
19170 (OMP_CLAUSE_ELT_CHECK): Define.
19171 (omp_clause_check_failed): Declare.
19172 (omp_clause_operand_check_failed): Declare.
19173 (omp_clause_range_check_failed): Declare.
19174 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
19175 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
19176 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
19177 (OMP_CLAUSE_LASTPRIVATE): Likewise.
19178 (OMP_CLAUSE_IF_EXPR): Likewise.
19179 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
19180 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
19181 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
19182 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
19183 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
19184 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
19185 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
19186 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
19187 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
19188 (OMP_CLAUSE_CODE): Define.
19189 (OMP_CLAUSE_SET_CODE): Define.
19190 (OMP_CLAUSE_CODE): Define.
19191 (OMP_CLAUSE_OPERAND): Define.
19192 (struct tree_omp_clause): Declare.
19193 (union tree_node): Add field 'omp_clause'.
19194 * treestruct.def (TS_OMP_CLAUSE): Define.
19195 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
19196 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
19197 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
19198 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
19199 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
19200 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
19201 (OMP_CLAUSE): Define.
19202 * print-tree.c (print_node): Handle OMP_CLAUSE.
19203 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
19204 * c-typeck.c: Likewise.
19205 * gimplify.c: Likewise.
19206 * c-omp.c: Likewise.
19207 * tree-nested.c: Likewise.
19208 * tree-inline.c: Likewise.
19209 * c-parser.c: Likewise.
19210 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
19213 2006-01-25 Roger Sayle <roger@eyesopen.com>
19215 PR rtl-optimization/25703
19216 * combine.c (try_combine): Handle zero_extract and strict_low_part
19217 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
19219 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
19221 * global.c: Fix comment typos.
19223 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
19226 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
19227 Use output_addr_const instead of assemble_name.
19229 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
19231 * Makefile.in (sched-vis.o): Update dependencies.
19232 * haifa-sched.c (sched_finish): Clear current_sched_info.
19233 * cfg.c (dump_bb_info): New, split from dump_flow_info.
19234 (dump_flow_info): Call it.
19235 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
19237 * basic-block.h (dump_bb_info): Declare.
19238 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
19239 option, and apply options only for dump files whose TDF_RTL,
19240 TDF_TREE, or TDF_IPA bits match.
19241 * rtl.h: Declare new functions exported from sched-vis.c.
19242 * sched-vis.c: Enable also if scheduling is not used.
19243 (print_value): Print the mode of registers if not inside scheduling.
19244 (print_insn): Make it work outside the scheduler. Beautify the output
19246 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
19248 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19250 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
19251 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
19252 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
19253 depending on the value of CONSTANT_POOL_ADDRESS_P.
19254 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
19256 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
19257 rather than SYMBOL_REF_DECL.
19258 (rtx_constant_pool): Remove const_rtx_sym_htab.
19259 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
19260 (init_varasm_status): Don't initialize const_rtx_sym_htab.
19261 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
19262 Remove handling of const_rtx_sym_htab.
19263 (find_pool_constant): Delete.
19264 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
19265 rather than find_pool_constant.
19266 (get_pool_constant_for_function): Delete.
19267 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
19268 find_pool_constant.
19269 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
19270 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
19271 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
19272 (SYMBOL_REF_CONSTANT): New macro.
19273 (get_pool_constant_for_function): Delete.
19274 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
19275 rather than SYMBOL_REF_DECL.
19276 (i386_pe_mark_dllimport): Likewise.
19277 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
19278 rather than SYMBOL_REF_DECL.
19279 * config/darwin.c (machopic_indirect_data_reference): Likewise.
19280 (machopic_indirect_call_target): Likewise.
19282 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
19284 * flow.c (delete_noop_moves): Add missing EOL to dump message.
19286 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19288 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
19290 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
19292 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
19294 2006-01-24 David Daney <ddaney@avtrex.com>
19297 * configure.ac (enable_tls): New enable option.
19298 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
19299 * configure: Regenerate.
19300 * doc/install.texi (--enable-tls): Document new option.
19301 (--disable-tls): Ditto.
19303 2006-01-24 Richard Henderson <rth@redehat.com>
19305 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
19306 * alias.c (true_dependence): Respect it.
19307 (canon_true_dependence, write_dependence_p): Likewise.
19308 * builtins.c (get_builtin_sync_mem): Set it.
19310 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
19312 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
19315 2006-01-24 DJ Delorie <dj@redhat.com>
19317 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
19318 for storing constants in single-bit bitfields.
19320 2006-01-25 Ben Elliston <bje@au.ibm.com>
19322 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
19324 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
19327 * tree-ssa-pre.c (phi_translate): Return NULL
19328 for AGGREGATE_TYPE's.
19330 2006-01-24 Zack Weinberg <zackw@panix.com>
19332 * genautomata.c (process_state_for_insn_equiv_partition):
19333 Use xcalloc for insn_arcs_array.
19334 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
19335 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
19337 2006-01-24 Richard Henderson <rth@redhat.com>
19339 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
19340 update all callers.
19342 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
19344 PR rtl-optimization/25890
19345 PR rtl-optimization/25905
19346 * combine.c (expand_compound_operation, expand_field_assignment):
19347 Fail if the bitfield's final position is out of bounds.
19349 2006-01-24 Ian Lance Taylor <ian@airs.com>
19351 PR middle-end/25930
19352 * cgraphunit.c (cgraph_output_in_order): Don't clear
19353 cgraph_asm_nodes until after asm strings have been output.
19355 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
19357 * fix-header.c (read_scan_file): Add new parameter imultilib when
19358 calling register_include_chains.
19360 2006-01-23 Diego Novillo <dnovillo@redhat.com>
19362 * omp-low.c: Update documentation.
19364 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19365 Daniel Berlin <dberlin@dberlin.org>
19369 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
19370 return from the function.
19372 2006-01-22 Zack Weinberg <zackw@panix.com>
19374 * rtl.def (match_code): Add second argument.
19375 * genpreds.c (write_extract_subexp): New function.
19376 (write_match_code): Add path argument. Use write_extract_subexp.
19377 (write_predicate_expr): Pass path to write_match_code.
19378 (mark_mode_tests): MATCH_CODE applied to a subexpression does
19379 not perform a mode test.
19380 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
19381 a subexpression does not constrain the top-level code set.
19382 * read-rtl.c (read_rtx_variadic): New function.
19383 (read_rtx_1): Use it; allow AND and IOR to be variadic.
19384 * doc/md.texi: Document new notation.
19385 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
19386 (cmpsi_operand): ... here, using new notation.
19388 2006-01-22 Zack Weinberg <zackw@panix.com>
19390 * varray.c: Remove GENERATOR_FILE #ifdefs.
19392 2006-01-22 Zack Weinberg <zackw@panix.com>
19394 * genautomata.c (output_reserved_units_table): Emit nothing if
19395 description->query_units_num is zero. Remove extra blank line.
19396 (output_cpu_unit_reservation_p): Short circuit
19397 if description->query_units_num is zero.
19399 2006-01-22 Zack Weinberg <zackw@panix.com>
19401 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
19402 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
19403 nor any of the random handful of variables that used to be necessary
19404 when this program was linked with rtlanal.o. Prune set of forward
19405 function declarations.
19406 (struct attr_desc): Remove static_p field.
19407 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
19408 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
19409 (attr_string): Do not read the character one past the length of
19411 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
19412 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
19413 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
19414 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
19415 (make_automaton_attrs): New.
19416 (main): Do not call into genautomata. Call local gen_bypass
19417 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
19418 Remove special case for insn_alts.
19419 * genautomata.c: Include gensupport.h; not genattrtab.h nor
19420 varray.h (leftover from previous change). Prune set of forward
19421 function declarations. Remove state_alts fields from all
19422 structures. Remove state_alts_table from struct automaton.
19423 Make everything except main static. Do not maintain num_dfa_decls.
19424 Do not maintain state_alts fields of various structures.
19425 (process_decls): Don't validate condexp for dm_insn_reserv decls.
19426 (add_arc): Remove state_alts argument. All callers updated.
19427 (output_reserved_units_table): Emit #ifdef here...
19428 (output_tables): ...not here. Don't generate state_alts tables.
19429 (expand_automata): Don't generate attributes.
19430 (write_automata): Don't generate state_alts functions.
19431 (main): New function.
19432 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
19433 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
19434 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
19435 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
19436 (BYPASS_P_FUNC_NAME, output_state_alts_table)
19437 (output_automata_list_state_alts_code, output_internal_state_alts_func)
19438 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
19439 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
19441 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
19442 * genattrtab.h: Delete file.
19443 * Makefile.in (OBJS-common): Add insn-automata.o.
19444 (insn-automata.o): New rule.
19445 (simple_generated_c): Add insn-automata.c.
19446 (build/genattrtab.o, build/genautomata.o): Update dependencies.
19447 (genprogmd): Add automata.
19448 (build/genattrtab): Needs no extra objects nor libraries.
19449 (build/genautomata): Needs build/vec.o and -lm.
19451 2006-01-22 Zack Weinberg <zackw@panix.com>
19453 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
19454 (output_dfa_max_issue_rate, locked_states_num): Delete.
19455 (struct automaton): Add locked_states field.
19456 (output_dead_lock_vect): Save number of locked states in
19457 automaton->locked_states. If it is zero, don't print anything.
19458 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
19459 (output_internal_dead_lock_func): Only test the dead_lock_vect
19460 for automata that have locked states.
19461 (output_statistics): Always print the number of locked states for
19462 each automaton. Calculate total number of locked states here.
19463 (write_automata): Don't call output_dfa_max_issue_rate.
19464 * genattrtab.c: Define length_unit_log as a const variable.
19465 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
19466 max_insn_queue_index const.
19467 * final.c (length_unit_log): Declare const.
19468 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
19470 2006-01-22 Zack Weinberg <zackw@panix.com>
19472 * genautomata.c: Include vec.h, not varray.h.
19473 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
19474 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
19475 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
19476 VEC_* macros operating on appropriately typed vectors, or to
19477 malloced arrays when the size is known in advance. Const-ify
19478 many char* variables and function arguments. No functional changes.
19479 * Makefile.in (build/varray.o): Delete rule.
19480 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
19481 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
19483 2006-01-22 Zack Weinberg <zackw@panix.com>
19485 * gensupport.c: Define get_insn_name and record_insn_name here.
19486 (read_md_rtx): Call record_insn_name as appropriate.
19487 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
19488 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
19489 * genpreds.c, genrecog.c: Don't define get_insn_name nor
19491 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
19492 (BUILD_VARRAY): Delete.
19493 (genprognormal): Rename genprogmd. Fold in all programs from
19494 genprognoprint; also attrtab.
19495 (build/genattrtab): Just mention genautomata.o and varray.o.
19496 Reorganize a bit, add comments to make the categories clearer.
19498 2006-01-22 Zack Weinberg <zackw@panix.com>
19500 * genconditions.c (condition_table, add_condition): Delete.
19501 (write_conditions): Don't emit n_insn_conditions nor
19502 insn_elision_unavailable. Issue the gcc version #ifdef here,
19503 inside the table, with no #else clause ...
19504 (write_header): ...not here.
19505 (write_writer): New function.
19506 (main): Don't initialize condition_table. Use add_c_test.
19508 * gensupport.c (init_md_reader_args_cb): Handle multiple input
19509 files on the command line.
19510 (maybe_eval_c_test): Don't check insn_elision_unavailable.
19511 Return -1 if there is no entry in the table, don't abort.
19512 (add_c_test, traverse_c_tests): New functions.
19513 * gensupport.h (insn_elision_unavailable, insn_conditions)
19514 (n_insn_conditions): Delete declarations.
19515 (add_c_test, traverse_c_tests): Declare.
19516 * read-rtl.c: Include gensupport.h.
19517 (read_conditions): New function.
19518 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
19519 (read_rtx_1): If we get EOF when we were looking for an initial
19520 open paren, return 0. Call read_conditions when appropriate.
19521 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
19522 dummy-conditions.o. Eliminate references to insn-conditions.o,
19523 or change them to build/gencondmd.o, as appropriate. Remove
19524 insn-constants.h from $(simple_generated_h) and insn-conditions.c
19525 from $(simple_generated_c). For all files remaining in those
19526 two lists, add insn-conditions.md to the generator command line.
19527 Give insn-constants.h/s-constants their own rules. Add rules
19528 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
19529 (build/read-rtl.o): Depend on gensupport.h.
19530 (genprognormal): Include preds.
19531 (genprogearly): Rename genprognoprint; only difference is now that
19532 they don't link with $(BUILD_PRINT).
19533 * dummy-conditions.c: Delete.
19535 2006-01-22 Zack Weinberg <zackw@panix.com>
19537 * genextract.c: Don't include insn-config.h. Do include vec.h.
19538 Declare vectors of int, char, and locstr.
19539 (locstr): New typedef.
19540 (struct extraction): Make all array fields into bare pointers.
19541 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
19542 (insn_code_number): Delete.
19543 (accum_extract): New struct.
19544 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
19545 (gen_insn): Take insn_code_number as an argument. Use an
19546 accum_extract structure instead of loading data directly into
19547 a struct extraction, and having to know how big it might get.
19548 (walk_rtx): Operate entirely on an accum_extract structure.
19549 (print_path): Avoid unnecessary use of printf.
19550 (print_header): New function, split out of main. Distinguish
19551 more carefully between an unrecognizable insn and an insn that
19552 has the code number of a define_expand.
19553 (main): Pass insn_code_number to gen_insn. Call print_header
19554 only after parsing. Avoid unnecessary use of printf.
19555 * Makefile.in (build/vec.o): New rule.
19556 (build/genextract): Depend on build/vec.o.
19557 (build/genextract.o): Don't depend on insn-config.h.
19559 2006-01-22 Zack Weinberg <zackw@panix.com>
19561 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
19562 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
19563 practical. Eliminate per-generator-program link rules.
19565 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19567 PR middle-end/24437
19568 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
19569 with a call expr to ...
19570 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
19572 2006-01-23 Richard Guenther <rguenther@suse.de>
19574 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
19575 before make_edge with conditional EDGE_TRUE_VALUE.
19577 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
19578 Jan Hubicka <jh@suse.cz>
19579 Richard Guenther <rguenther@suse.de>
19581 PR rtl-optimization/25654
19582 * cfgexpand.c (aggregate_contains_union_type): New function.
19583 (add_alias_set_conflicts): Call it. Make sure to add conflicts
19584 for structure variables that contain a union type.
19586 2006-01-23 Richard Sandiford <richard@codesourcery.com>
19588 * gengtype.c (new_structure): Return the structure.
19589 (create_option): Add an extra "next" argument.
19590 (create_field): New function.
19591 (adjust_field_rtx_def): Use create_option and create_field.
19592 Remove a now-unnecessary call to find_structure.
19593 (adjust_field_tree_def): Likewise.
19594 (note_yacc_type): Remove an unnecessary call to find_structure.
19595 * gengtype.h (new_structure): Return the structure.
19596 (create_option): Add an extra argument.
19597 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
19598 (option): Adjust calls to create_option.
19600 2006-01-22 David Edelsohn <edelsohn@gnu.org>
19602 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
19604 2006-01-22 Paul Brook <paul@codesourcery.com>
19605 Peter Barada <peter@the-baradas.com>
19607 * config/m68k/m68k.md: Add Coldfire FPU support.
19608 Define FP mode macro and associated attributes.
19609 Use it for float mode patterns.
19610 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
19611 (LIBCALL_VALUE): Use m68k_libcall_value.
19612 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
19613 (m68k_function_value): Ditto.
19614 (emit_move_sequence): Ditto.
19615 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
19616 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
19617 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
19618 (MULTILIB_EXCEPTIONS): Ditto.
19619 * config/m68k/m68k.opt: Add mcfv4e.
19620 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
19621 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
19622 (m68k_output_function_prologue): Save ColdFire FPU registers.
19623 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
19624 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
19625 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
19626 ColdFire FPU registers.
19627 (m68k_libcall_value, m68k_function_value): New functions.
19628 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
19629 (LIBCALL_VALUE): Use m68k_libcall_value.
19630 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
19631 (MASK_COLDFIRE): Add MASK_CFV4E.
19632 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
19633 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
19634 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
19635 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
19636 (GO_IF_LEGITIMATE_ADDRESS): Use it.
19637 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
19638 * doc/invoke.tex: Document -mcfv4e on m68k.
19640 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
19642 * doc/contribute.texi: Change CVS to SVN and update the corresponding
19645 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
19648 * c-opts.c (c_common_handle_option): Don't include
19649 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
19650 * doc/invoke.texi (C++ Dialect Options): Document that
19651 -Wnon-virtual-dtor is no longer included in -Wall.
19653 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
19655 * gcov.c (print_version), gcov-dump.c (print_version),
19656 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
19659 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
19661 * df-scan.c (problem_SCAN): Added NULL reset function.
19662 (df_scan_reset_blocks): Added code to call reset block function
19663 (df_bb_refs_delete) Fixed comment.
19664 (df_insn_refs_delete): Made tolerant of deleting non existent info
19665 for dataflow problems that need to be reset.
19666 * df-core.c (df_set_blocks): Ditto.
19667 * df.h (struct df_problem): Added reset_fun.
19668 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
19669 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
19670 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
19671 functions to clear out all references to def-use or use-def chains.
19673 2006-01-21 Ben Elliston <bje@au.ibm.com>
19675 * varasm.c (assemble_real): Initialise data array.
19677 2006-01-20 Paul Brook <paul@codesourcery.com>
19679 Merge from csl-arm-branch.
19680 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
19681 * config/arm/arm.md (movdi): Force operands[1] to a register
19682 if we have a non-register source.
19683 (*arm_movdi, *movdf_soft_insn): Require that one of the
19684 operands be a register.
19685 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
19686 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
19688 2006-01-20 DJ Delorie <dj@redhat.com>
19690 * varasm.c (initializer_constant_valid_p): Allow pointers
19691 initialized from integer constants of lesser precision.
19692 (output_constant): Allow non-int-sized pointer modes to be
19693 initialized from integer constants.
19695 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
19698 * cppdefault.h (struct default_include): Add multilib flag.
19699 * cppdefault.c (cpp_include_defaults): Set it.
19700 * c.opt (-imultilib): New option.
19701 * c-opts.c (imultilib): New.
19702 (c_common_handle_option): Handle -imultilib.
19703 (c_common_post_options): Likewise.
19704 * c-incpath.c (add_standard_paths, register_include_chains):
19706 * c-incpath.h (register_include_chains): Add extra parameter.
19707 * gcc.c (do_spec_1): Generate -imultilib option.
19708 (The Specs Language): Update %I description.
19709 (process_command): Update copyright notice.
19710 * doc/cppopts.texi (-imultilib): Document.
19711 * doc/invoke.texi (-imultilib): Include in option summary.
19712 (%I): Update specs documentation.
19714 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19716 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
19718 2006-01-20 Richard Sandiford <richard@codesourcery.com>
19720 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19723 2006-01-20 Richard Guenther <rguenther@suse.de>
19724 Steven Bosscher <stevenb.gcc@gmail.com>
19726 PR rtl-optimization/24626
19727 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19728 EDGE_TRUE_VALUE if in RTL mode.
19731 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19732 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19734 2006-01-20 Dirk Mueller <dmueller@suse.com>
19737 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19738 instead of a special NOP marker.
19739 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19740 NOP marker handling.
19741 * c-common.h (empty_body_warning): Add forward declaration.
19742 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19743 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19745 2006-01-20 Paul Brook <paul@codesourcery.com>
19747 * Makefile.in (lang_checks): Keep going if mkdir fails.
19749 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19751 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19752 be able to clean out basic block when not necessary.
19753 (df_scan_free): Fixed to properly delete information if df is
19754 unused before calling df_finish.
19755 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19756 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19758 (df_bb_refs_delete): New function.
19759 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19760 * df-core.c (df_set_blocks): Added code to properly clean out
19761 unused blocks if they are not part of the blocks to consider.
19762 Added additional null check.
19763 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19764 be able to clean out basic block when not necessary
19765 * df.h (df_free_bb_function): Ditto.
19766 (df_bb_refs_delete): New function.
19767 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19768 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19769 basic block parameter to be able to clean out basic block when not
19771 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19772 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19773 Fixed to properly delete information if df is unused before
19776 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19778 PR rtl-optimization/25799
19779 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19780 Corrected confluence operator to remove bits from op2 before oring
19781 with op1 rather than removing bits from op1.
19782 (df_ru_transfer_function): Corrected test on wrong bitmap which
19783 caused infinite loop. Both of these problems were introduced in
19784 the dataflow rewrite.
19786 2006-01-19 DJ Delorie <dj@redhat.com>
19788 * reload1.c (find_reload_regs): Note the details of reload
19789 failures in the dump file.
19790 (spill_failure): Likewise.
19792 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19794 * loop-iv.c: Include df.h and hashtab.h.
19795 (enum iv_grd_result): New enum.
19796 (DF_REF_IV, DF_REF_IV_SET): New macros.
19797 (struct biv_entry): New.
19798 (df, bivs): New global variables.
19799 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19800 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19802 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19803 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19804 analyzed_for_bivness_p, record_biv): New functions.
19805 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19806 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19807 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19809 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19811 (iv_number_of_iterations): Use new interface to iv analysis.
19812 * loop-unroll.c: Do not include varray.h.
19813 (analyze_iv_to_split_insn): Use new interface to iv
19815 * loop-unswitch.c (may_unswitch_on): Ditto.
19816 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19818 (df_bb_modify): Realloc tables to the new index.
19819 (df_find_use): New function.
19820 * df.h (df_find_use): Declare.
19821 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19823 * cfgloop.h (struct rtx_iv): Remove analysed field.
19824 (iv_get_reaching_def): Removed.
19825 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19826 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19827 (loop-iv.o): Add df.h and hashtab.h dependency.
19828 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19830 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19833 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19835 (__floatundisf, __floatundidf): Likewise.
19836 * libgcc2.h (IS_IBM_EXTENDED): Define.
19838 2006-01-19 DJ Delorie <dj@redhat.com>
19840 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19842 2006-01-19 Paul Brook <paul@codesourcery.com>
19844 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19845 as nothrow when unwinding tables are disabled.
19847 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19850 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19851 of bit-field" when in system header.
19853 2006-01-19 DJ Delorie <dj@redhat.com>
19855 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19856 the 16 bit shift limit of the m16c.
19858 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19861 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19862 * config/i386/i386.c (output_set_got): Output the label if we have one
19863 for the TARGET_DEEP_BRANCH_PREDICTION case.
19865 2006-01-19 Jan Hubicka <jh@suse.cz>
19866 H.J. Lu <hongjiu.lu@intel.com>
19867 Evandro Menezes <evandro.menezes@amd.com>
19869 * invoke.texi (generic): Document
19871 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19872 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19873 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19874 (x86_use_incdec, x86_pad_returns): New variables
19875 (TARGET_CPU_DEFAULT_generic): New constant
19876 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19877 (enum processor_type): Add generic32 and generic64.
19878 * i386.md (cpu attribute): Add generic32/generic64
19879 (movhi splitter): Behave sanely when both partial_reg_dependency and
19880 partial_reg_stall are set.
19881 (K8 splitters): Enable for generic as well.
19882 * predicates.md (incdec_operand): Use TARGET_INCDEC
19883 (aligned_operand): Avoid memory mismatch stalls.
19884 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19885 * ppro.md: Enable for generic32
19886 * i386.c (generic64_cost, generic32_cost): New.
19887 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19888 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19889 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19890 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19891 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19892 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19893 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19894 x86_accumulate_outgoing_args, x86_prologue_using_move,
19895 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19896 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19897 Enable for generic.
19898 (x86_use_incdec, x86_pad_returns): New.
19899 (override_options): Add generic32 and generic64, translate "generic"
19900 to generic32/generic64 and "i686" to "generic32", refuse
19901 "generic32"/"generic64" as arch target.
19902 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19903 (ix86_reorg): Honor PAD_RETURNS.
19905 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19907 * tree-pretty-print.c (dump_generic_node): Handle
19908 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19909 * cgraph.c (cgraph_expand_queue): Rename from
19910 cgraph_analyze_queue. Update all users.
19911 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19912 cgraph_expand_queue.
19913 (cgraph_expand_all_functions): Likewise.
19914 (cgraph_finalize_pending_functions): Remove. Update callers.
19916 * tree.h (OMP_DIRECTIVE_P): Define.
19917 (OMP_PARALLEL_FN): Define.
19918 (OMP_PARALLEL_DATA_ARG): Define.
19919 (OMP_SECTIONS_SECTIONS): Define.
19920 * tree-pass.h (pass_expand_omp): Declare.
19921 * omp-low.c (struct omp_region): Declare.
19922 (struct omp_context): Remove fields 'parallel_type',
19923 'parallel_start_ix' and 'parallel_start_additional_args'.
19925 (struct omp_for_data): Rename from struct expand_omp_for_data.
19926 (omp_regions): New static variable.
19927 (root_omp_region): New static variable.
19928 (find_omp_clause): Make static.
19929 (is_in_combined_parallel_ctx): Remove.
19930 (is_combined_parallel): New.
19931 (extract_omp_for_data): Move earlier in the file.
19932 (workshare_safe_to_combine_p): New.
19933 (get_ws_args_for): New.
19934 (determine_parallel_type): Move earlier in the file.
19935 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
19937 (omp_copy_decl): Likewise.
19938 (create_omp_child_function): Likewise.
19939 (lookup_omp_region): New.
19940 (dump_omp_region): New.
19941 (debug_omp_region): New.
19942 (debug_all_omp_regions): New.
19943 (new_omp_region): New.
19944 (scan_omp_parallel): If parallel_nesting_level > 1, the
19945 directive is nested within another parallel directive.
19946 Set OMP_PARALLEL_FN.
19947 (scan_omp_for): Do not try to handle combined parallel+for
19949 Remove FIXME comment.
19950 (scan_omp_nested): Remove.
19951 (scan_omp_1): Do not call scan_omp_nested when
19952 parallel_nesting_level is > 1.
19953 Do not change the DECL_CONTEXT of local variables found.
19954 (lookup_decl_in_outer_ctx): New.
19955 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
19956 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
19957 (lower_reduction_clauses): Rename from expand_reduction_clauses.
19958 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
19959 If CTX is nested, lookup VAR in the outer context when
19960 building copy assignment.
19961 (lower_send_clauses): Rename from expand_send_clauses.
19962 If CTX is nested, lookup VAR in the outer context when
19963 building copy assignments.
19964 (lower_send_shared_vars): Rename from expand_send_shared_vars.
19965 If CTX is nested, lookup VAR in the outer context when
19966 building copy assignments.
19967 (expand_parallel_call): Rename from build_parallel_call.
19968 Handle combined parallel+workshare cases.
19969 Re-implement to emit code into the CFG.
19971 (expand_omp_parallel): Re-implement to emit code into the CFG.
19972 Call move_sese_region_to_fn to outline the sub-graph
19973 containing the parallel region.
19974 (expand_omp_for_1): Remove.
19975 (expand_omp_for_generic): Re-implement to emit code into the
19977 (expand_omp_for_static_nochunk): Likewise.
19978 (expand_omp_for_static_chunk): Likewise.
19979 (expand_omp_for): Likewise.
19980 (expand_omp_sections): Likewise.
19981 (remove_exit_barriers): New.
19982 (expand_omp_synch): New.
19984 (build_omp_regions_1): New.
19985 (build_omp_regions): New.
19986 (execute_expand_omp): New.
19987 (gate_expand_omp): New.
19988 (pass_expand_omp): Define.
19989 (lower_omp_sections): Rename from expand_omp_sections.
19990 Set OMP_SECTIONS_SECTIONS.
19991 (lower_omp_single_simple): Rename from expand_omp_single_simple.
19992 (lower_omp_single_copy): Rename from expand_omp_single_copy.
19993 (lower_omp_single): Rename from expand_omp_simple.
19994 (lower_omp_master): Rename from expand_omp_master.
19995 (lower_omp_ordered): Rename from expand_omp_ordered.
19996 (lower_omp_critical): Rename from expand_omp_critical.
19997 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
19998 (lower_omp_for): Re-implement.
19999 (lower_omp_parallel): Re-implement.
20000 (lower_regimplify): Rename from expand_regimplify.
20001 (lower_omp_1): Rename from expand_omp_1.
20002 If there are syntax errors in the program, replace every
20003 OpenMP directive with NOP.
20004 Call lower_omp_* instead of expand_omp_*.
20005 (lower_omp): Rename from expand_omp.
20007 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
20008 * tree-gimple.h (enum omp_parallel_type): Remove.
20009 (gimple_boolify): Declare extern.
20010 (find_omp_clause, determine_parallel_type): Remove.
20012 * gimple-low.c (lower_omp_directive): New.
20013 (lower_stmt): Call it.
20014 (record_vars_into): Move from ...
20015 (record_vars): ... here.
20016 Call record_vars_into with current_function_decl.
20018 * gimplify.c (struct gimplify_ctx): Remove fields
20019 combined_pre_p and combined_ctxp. Update users.
20020 (get_formal_tmp_var): Add documentation.
20021 (gimple_boolify): Make extern.
20022 (gimplify_expr_in_ctx): Remove. Update callers.
20023 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
20024 will always be a BIND_EXPR.
20025 (gimplify_expr): Handle OMP_RETURN_EXPR.
20026 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
20027 (OMP_PARALLEL): Add 3 operands.
20028 (OMP_SECTIONS): Add 1 operand.
20029 (OMP_RETURN_EXPR): Define.
20031 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
20032 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
20033 * tree-iterator.c (alloc_stmt_list): Assert that we are not
20034 creating a circular free list.
20035 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
20037 * tree-flow.h (move_sese_region_to_fn): Declare.
20038 (record_vars_into): Declare.
20039 * tree-cfg.c (make_omp_sections_edges): New.
20040 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
20041 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
20042 OMP_SECTIONS and OMP_SECTION.
20043 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
20044 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
20045 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
20046 (gather_blocks_in_sese_region): New.
20047 (struct move_stmt_d): Declare.
20048 (move_stmt_r): New.
20049 (move_block_to_fn): New.
20050 (move_sese_region_to_fn): New.
20052 * passes.c (init_optimization_passes): Schedule
20053 pass_expand_omp after pass_init_datastructures.
20055 * tree-ssa-operands.c (get_expr_operands): Handle
20056 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
20057 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
20059 2006-01-19 Jeff Law <law@redhat.com>
20061 * tree-vrp.c (extract_range_from_assert): Refine the result range
20062 if the variable referenced by the ASSERT_EXPR has a range and
20063 either the tentative result range or the previous range is a
20066 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20068 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
20070 2006-01-19 Jan Hubicka <jh@suse.cz>
20072 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
20074 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
20076 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
20077 (expand_compound_operation, expand_field_assignment): Fail if the
20078 bit lengths of an extract operation are out of range.
20079 (make_extraction): Compute wanted_inner_mode based on the position
20080 and length of the extraction. Make it extraction_mode for non-constant
20081 positions, and do not modify offset in that case. When generating a
20082 new MEM, use a mode that can hold the extraction while keeping correct
20083 alignment. Remove code that supported MEMs wrapped by USEs.
20084 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
20086 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
20088 * config/s390/s390.md ("Y", "y"): New mode attribute.
20089 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
20090 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
20091 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
20092 "*addsi3_imm_cc", "*addsi3_carry1_cc",
20093 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
20094 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
20095 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
20096 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
20097 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
20098 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
20099 "addsi3", "subsi3"): Insn patterns removed.
20100 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
20101 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
20102 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
20103 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
20104 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
20105 "*sub<mode>3_cconly2"): New insn patterns.
20106 ("addsi3", "subsi3"): New expanders.
20108 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
20110 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
20111 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
20112 existing STMT_VINFO_VECTYPE if available.
20113 (vect_mark_relevant): Add special handling for stmts that are
20114 marked as STMT_VINFO_IN_PATTERN_P.
20115 (vect_analyze_loop): Call vect_pattern_recog.
20116 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
20117 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
20119 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
20120 (vect_recog_func_ptr): New function-pointer type.
20121 * tree-vect-patterns.c: New file.
20122 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
20123 (vect_recog_dot_prod_pattern, vect_pattern_recog):
20124 (vect_pattern_recog_1): New functions.
20125 (vect_pattern_recog_funcs): New array of function pointers.
20127 * tree-vectorizer.h (ternary_op): New enum value.
20128 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
20129 declaration. Revised documentation. Removed redundant dump prints.
20130 Removed redundant argument. Added support for reduction patterns.
20131 (vectorizable_reduction): Added support for reduction patterns.
20132 (vect_transform_stmt): Added support for patterns.
20134 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
20135 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
20136 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
20137 (expand_widen_pattern_expr): New function.
20138 (init_optabs): Initialize new optabs udot_prod_optab,
20140 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
20141 (sdot_prod_optab, udot_prod_optab): Define new optabs.
20142 (expand_widen_pattern_expr): New function declaration.
20143 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
20145 * tree-inline.c (estimate_num_insns_1): Added cases for new
20146 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20147 * tree-pretty-print.c (dump_generic_node): Likewise.
20148 (op_prio): Likewise.
20149 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20150 * tree-ssa-operands.c (get_expr_operands): Added case for
20152 * tree-vect-patterns.c (widened_name_p): New function.
20153 (vect_recog_dot_prod_pattern): Added function implementation.
20154 * tree-vect-transform.c (get_initial_def_for_reduction): Added
20155 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
20156 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
20157 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
20159 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
20160 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
20161 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
20162 (init_optabs): Initialize new optabs widen_ssum_optab,
20164 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
20165 (widen_ssum_optab, widen_usum_optab): Define new optabs.
20166 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
20167 use instead of type of def.
20168 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
20169 function implementation.
20170 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
20171 widen_ssumv8hi): New.
20173 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
20176 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20179 * c-decl.c (add_flexible_array_elts_to_size): New function.
20180 (finish_decl): Use it.
20182 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
20184 * diagnostic.h: Include options.h.
20185 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
20186 dependancies for diagnostic.h.
20187 * Makefile.in (DIAGNOSTIC_H): Add options.h.
20189 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
20191 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
20192 (ssa_ro_call_cache_valid): Ditto.
20193 * tree-ssa-alias.c (sort_tags_by_id): New function.
20194 (init_transitive_clobber_worklist): Ditto.
20195 (add_to_worklist): Ditto.
20196 (mark_aliases_call_clobbered): Ditto.
20197 (compute_tag_properties): Ditto.
20198 (set_initial_properties): Ditto.
20199 (compute_call_clobbered): Ditto.
20200 (compute_may_aliases): Call compute_call_clobbered and grouping.
20201 (compute_flow_sensitive_aliasing): Remove clobbering related code.
20202 (compute_flow_insensitive_aliasing): Grouping now happens in our
20204 (setup_pointers_and_addressables): Remove clobbering related code.
20205 (add_may_alias): Ditto.
20206 (replace_may_alias): Ditto.
20207 (get_nmt_for): Ditto.
20208 (create_global_var):
20209 (is_escape_site): Return an escape_type enumeration.
20210 * tree-flow-inline.h (is_call_clobbered): Global var does not
20211 imply call clobbered.
20212 (mark_call_clobbered): Take a reason for marking this. Remove
20213 marking of globalness, and cache invalidation.
20214 (clear_call_clobbered): Remove cache invalidation code.
20215 * tree-dfa.c (dump_variable): If details is on, dump the reason
20217 * tree-outof-ssa.c (create_temp): Copy escape mask from original
20219 * tree-flow.h (struct ptr_info_def): Add escape mask member.
20220 (struct var_ann_d): Ditto.
20221 (enum escape_type): New.
20222 (mark_call_clobbered): Adjust prototype.
20223 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
20224 are never call clobbered.
20225 Record reasons for escaping.
20226 * tree-ssa-structalias.h (is_escape_site): Update prototype.
20227 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
20228 (ssa_ro_call_cache_valid): Ditto.
20229 (clobbered_v_may_defs): Ditto.
20230 (clobbered_vuses): Ditto.
20231 (ro_call_vuses): Ditto.
20232 (clobber_stats): New.
20233 (init_ssa_operands): Zero out clobber stats.
20234 (fini_ssa_operands): Print out clobber stats.
20235 (get_call_expr_operands): Pass callee fndecl to
20236 add_call_read_ops).
20237 (add_call_clobber_ops): Remove use of cache.
20238 Add use of PURE_CONST information.
20239 (add_call_read_ops): Remove use of cache.
20240 Add use of static not_read information.
20242 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
20244 Introduce TLS descriptors for i386 and x86_64.
20245 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
20246 (TARGET_ANY_GNU_TLS): New macro.
20247 (enum tls_dialect): Added TLS_DIALECT_GNU2.
20248 (struct machine_function): Add tls_descriptor_call_expanded_p.
20249 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
20250 (ix86_current_function_calls_tls_descriptor): Likewise.
20251 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
20252 (override_options): Introduce gnu2 tls dialect.
20253 (ix86_frame_pointer_required): Functions containing TLSCALLs are
20255 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
20257 (legitimize_tls_address): Adjust logic for GNU2 TLS.
20258 (ix86_init_machine_status): Initialize new field.
20259 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
20260 (ix86_tls_module_base): New.
20261 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
20262 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
20263 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
20264 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
20265 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
20266 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
20267 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
20268 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
20269 * config/i386/predicates.md (tls_modbase_operand): New.
20270 (tp_or_register_operand): New.
20272 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
20274 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
20275 (look_for_address_of): Ditto.
20276 (ipa_init): Walk the function decls.
20277 (static_execute): Don't set readonly on FUNCTION_DECL's.
20279 2006-01-18 Roger Sayle <roger@eyesopen.com>
20281 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
20282 for shifts where the source and destination registers are different.
20284 2006-01-18 Paul Brook <paul@codesourcery.com>
20286 Merge from csl-arm-branch.
20287 2005-03-14 Julian Brown <julian@codesourcery.com>
20288 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
20289 (aeabi_llsl): Likewise.
20290 (ashrdi3): Likewise.
20291 (aeabi_lasr): Likewise.
20292 (lshrdi3): Likewise.
20293 (aeabi_llsr): Likewise.
20294 2005-03-10 Julian Brown <julian@codesourcery.com>
20295 * config.gcc: Disable shared libgcc for SymbianOS.
20296 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
20298 2006-01-18 DJ Delorie <dj@redhat.com>
20300 * c-pragma.c (handle_pragma_diagnostic): New.
20301 (init_pragma): Register it.
20302 * doc/extend.texi: Document it.
20304 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
20305 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
20306 (diagnostic_context): Add classify_diagnostic[].
20307 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
20308 as errors if they're overridden to DK_WARNING.
20309 (diagnostic_initialize): Initialize classify_diagnostic[].
20310 (diagnostic_set_kind_override): New.
20311 (diagnostic_report_diagnostic): Check for kind changes.
20312 * opts.c (common_handle_option): Take lang_mask. Update callers.
20313 Handle OPT_Werror_.
20314 * common.opt (Werror=): New.
20315 * doc/invoke.texi: Document -Werror=*
20317 2006-01-18 Jeff Law <law@redhat.com>
20319 * tree-vrp.c (test_for_singularity): Correct test for new
20320 min limit. Use operand_equal_p rather than pointer equality
20321 for testing if new min/max values are equal.
20323 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
20324 using range information until after propagation and folding.
20326 2006-01-18 Richard Henderson <rth@redhat.com>
20327 Aldy Hernandez <aldyh@redhat.com>
20328 Jakub Jelinek <jakub@redhat.com>
20329 Diego Novillo <dnovillo@redhat.com>
20331 * omp-low.c: New file.
20332 * c-omp.c: New file.
20334 2006-01-18 Richard Henderson <rth@redhat.com>
20335 Jakub Jelinek <jakub@redhat.com>
20336 Diego Novillo <dnovillo@redhat.com>
20338 * doc/invoke.texi: Document -fopenmp.
20339 * tree-dump.h (debug_function): Declare.
20340 * hooks.c (hook_bool_tree_bool_false): New function.
20341 (hook_tree_tree_null): Remove.
20342 (hook_tree_tree_tree_null): New.
20343 * hooks.h: Update to match.
20344 * tree-pretty-print.c (debug_tree_chain): New.
20345 (print_generic_expr): Handle TDF_CHAIN.
20346 (dump_generic_node): Handle BLOCK.
20347 Do not abort with incomplete SWITCH_EXPRs.
20348 Do not dump body of an OpenMP directive if TDF_SLIM is given.
20349 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
20350 print space after directive name.
20351 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
20352 Handle OMP_MASTER and OMP_ORDERED.
20353 Handle printing of OMP_BODY just in one place, goto
20354 dump_omp_body in the rest of OMP_* nodes that have
20356 Don't handle clause nodes here. Update omp statements to
20357 use dump_omp_clauses.
20358 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
20359 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
20360 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
20361 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
20362 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
20363 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
20364 Adjust output for GOMP_PARALLEL.
20365 (dump_omp_clauses): New.
20366 (print_declaration): Dump DECL_VALUE_EXPR.
20367 (op_symbol_1): Split out of op_symbol.
20368 (dumping_stmts): Remove. Update all users.
20369 * cgraph.c (cgraph_analyze_queue): New.
20370 (cgraph_add_new_function): New.
20371 * cgraph.h (cgraph_analyze_queue): Declare.
20372 (cgraph_add_new_function): Declare.
20373 (cgraph_lower_function): Remove.
20374 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
20375 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
20376 and TYPE_P nodes in its default clause.
20377 (empty_body_p): New.
20378 (tree_range_check_failed): New.
20379 (build5_stat): New.
20380 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
20381 OMP_CLAUSE_REDUCTION_MERGE,
20382 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
20383 OMP_CLAUSE_PRIVATE_DEBUG,
20384 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
20385 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
20386 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
20387 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
20388 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
20389 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
20390 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
20391 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
20392 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
20393 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
20394 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
20395 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
20396 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
20397 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
20398 (TREE_RANGE_CHECK): New.
20399 (empty_body_p): Declare.
20400 (enum omp_clause_default_kind): New.
20401 (build_string_literal): Declare.
20402 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
20403 (build5_stat, build5): Declare.
20404 * tree-pass.h (TDF_CHAIN): Define.
20405 * tree-pass.h (PROP_gimple_lomp): Define.
20406 (pass_lower_omp): Declare.
20407 * diagnostic.h (debug_tree_chain): Declare.
20408 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
20410 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
20411 * builtins.c (build_string_literal): Make extern.
20412 * gcc.c (include_spec_function): New.
20413 (static_spec_functions): Add it.
20414 (main): Move load of libgomp.spec ...
20415 (LINK_COMMAND_SPEC): ... here.
20416 (link_gomp_spec): New.
20417 (static_specs): Include it.
20418 (LINK_COMMAND_SPEC): Add link_gomp.
20419 (GOMP_SELF_SPECS): New.
20420 (driver_self_specs): Include it.
20421 (switch_matches): Don't mark inline.
20422 (main): Load libgomp.spec.
20423 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
20424 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
20425 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
20426 * tree-gimple.h (enum omp_parallel): Declare.
20427 (determine_parallel_type): Declare.
20428 (omp_firstprivatize_variable): Declare.
20429 (omp_reduction_init): Declare.
20430 (diagnose_omp_structured_block_errors): Declare.
20431 (struct walk_stmt_info): Add want_return_expr.
20432 (struct walk_stmt_info): Add want_bind_expr, want_locations.
20433 (find_omp_clause): Declare.
20434 (insert_field_into_struct): Declare.
20435 (struct walk_stmt_info): Move from tree-nested.c
20436 (walk_stmts): Declare.
20437 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
20439 * cgraphunit.c (cgraph_lower_function): Make static.
20440 (cgraph_finalize_pending_functions): New.
20441 (cgraph_finalize_function): Call it.
20442 (cgraph_finalize_compilation_unit): Likewise.
20443 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
20444 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
20445 (BT_FN_UINT_UINT): New.
20446 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
20447 DEF_FUNCTION_TYPE_VAR_4): Document.
20448 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
20449 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
20450 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
20451 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
20452 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
20453 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
20454 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
20455 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
20456 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
20457 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
20458 into separate files.
20459 (DEF_GOMP_BUILTIN): New.
20460 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
20461 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
20462 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
20463 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
20464 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
20465 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
20466 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
20467 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
20468 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
20469 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
20470 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
20471 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
20472 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
20473 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
20474 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
20475 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
20476 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
20477 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
20478 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
20479 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
20480 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
20481 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
20482 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
20483 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
20484 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
20485 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
20486 * sync-builtins.def: New file, moved from builtins.def.
20487 * omp-builtins.def: New file, moved from builtins.def.
20488 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
20489 * gimple-low.c (lower_function_body): Clear data.
20490 (lower_stmt): Do not handle COMPOUND_EXPR.
20491 Remove call to print_node_brief.
20492 * c-tree.h (c_finish_omp_clauses): New prototype.
20493 (C_DECL_THREADPRIVATE_P): Define.
20494 (lookup_name_no_remap, c_omp_remap_private): Remove
20495 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
20496 (check_for_loop_decls): Update decl.
20497 (lookup_name_no_remap, c_omp_remap_private): Declare.
20498 (build_indirect_ref, build_modify_expr, pushdecl,
20499 pushdecl_top_level): Move to c-common.h.
20500 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
20501 before the switch, but just in the 2 places that need it.
20502 * c-decl.c (diagnose_mismatched_decls): Do not check for
20503 mismatched thread-local attributes when OLDDECL is marked
20504 threadprivate and NEWDECL has no thread-local attributes.
20505 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
20506 (c_gimple_diagnostics_recursively): Rename from
20507 c_warn_unused_result_recursively. Invoke
20508 diagnose_omp_structured_block_errors.
20509 (check_for_loop_decls): Return a singular decl found.
20510 * langhooks.c (lhd_omp_predetermined_sharing): Return
20511 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
20512 (lhd_omp_firstprivatize_type_sizes): New.
20513 (lhd_omp_assignment): New.
20514 (lhd_omp_predetermined_sharing): New.
20515 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
20516 (struct lang_hooks_for_types): Add
20517 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
20518 omp_predetermined_sharing, omp_disregard_value_expr,
20519 omp_private_debug_clause, omp_clause_default_ctor,
20520 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
20521 (c_finish_omp_clauses): New.
20522 (c_finish_bc_stmt): Diagnose break within omp for.
20523 (c_begin_omp_parallel, c_finish_omp_parallel): New.
20524 (build_unary_op): Return error_mark after reporting
20526 (build_modify_expr): Likewise.
20527 * gimplify.c: Include optabs.h and pointer-set.h.
20528 (enum gimplify_omp_var_data): Declare.
20529 (struct gimplify_omp_ctx): Declare.
20530 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
20532 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
20533 (push_gimplify_context, pop_gimplify_context): Allow nesting.
20534 (splay_tree_compare_decl_uid): New.
20535 (new_omp_context): New.
20536 (delete_omp_context): New.
20537 (gimple_add_tmp_var): Call omp_add_variable.
20538 (gimplify_bind_expr): Likewise.
20539 (gimplify_var_or_parm_decl): If omp_notice_variable returned
20540 true, disregard DECL_VALUE_EXPR on the decl if any.
20541 (gimplify_expr_in_ctx): New.
20542 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
20543 omp_add_variable, omp_notice_variable, omp_is_private
20544 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
20545 gimplify_adjust_omp_clauses, gimplify_omp_parallel
20546 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
20547 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
20548 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
20549 gimplify_omp_atomic): New.
20550 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20551 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20552 OMP_CRITICAL and OMP_ATOMIC.
20553 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
20554 * c-pragma.h (enum pragma_kind): Add
20555 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
20556 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
20557 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
20558 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
20559 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
20560 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
20561 PRAGMA_OMP_THREADPRIVATE.
20562 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20563 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20564 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
20565 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
20566 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
20567 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
20568 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
20569 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
20570 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
20571 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
20572 * tree-ssa-dce.c (find_control_dependence): Do not assume that
20573 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
20574 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
20576 (struct nesting_info): Add field_map,
20577 suppress_expansion, debug_var_chain.
20578 (create_nesting_tree): Initialize them.
20579 (lookup_field_for_decl): Use field_map.
20580 (get_nonlocal_debug_decl, get_local_debug_decl): New.
20581 (convert_local_omp_clauses): New.
20582 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
20583 (walk_body): Split out of walk_function.
20584 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
20585 (convert_nonlocal_reference): Handle omp statements.
20586 (convert_local_reference): Likewise.
20587 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
20588 (unnest_nesting_tree): New.
20589 (lower_nested_functions): Call it.
20590 (insert_field_into_struct): Make extern.
20591 (struct walk_stmt_info): Move to tree-gimple.h.
20592 (walk_stmts): Make extern.
20593 * omp-builtins.def: New file.
20594 * tree-iterator.c (expr_only): Clarify comment.
20595 * c-common.h (pushdecl_top_level, pushdecl,
20596 build_modify_expr, build_indirect_ref,
20597 c_finish_omp_master, c_finish_omp_critical,
20598 c_finish_omp_ordered, c_finish_omp_barrier,
20599 c_finish_omp_atomic, c_finish_omp_flush,
20600 c_finish_omp_for, c_split_parallel_clauses,
20601 omp_clause_default_kind, c_omp_sharing_predetermined,
20602 c_omp_remap_decl): Declare.
20603 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
20604 (OBJS-common): Add omp-low.o.
20605 (c-omp.o, omp-low.o): Add.
20606 (gimplify.o): Add dependency on $(OPTABS_H).
20607 (GTFILES): Add omp-low.c.
20608 (gt-stringpool.h): Add.
20609 * tree-cfg.c (set_bb_for_stmt): Do not update the
20610 block-to-labels map if we are currently expanding to RTL.
20611 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
20613 Handle IDENTIFIER_NODE.
20614 (tree_verify_flow_info): Do not ICE when emitting error
20615 messages about invalid labels.
20616 (dump_function_to_file): Reset CFUN before emitting the body
20618 (debug_function): New.
20619 * passes.c (init_optimization_passes): Schedule
20621 * langhooks-def.h (lhd_omp_predetermined_sharing,
20622 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
20624 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
20625 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
20626 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
20627 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
20628 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
20629 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
20630 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
20631 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
20632 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
20633 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
20634 (LANG_HOOK_DECLS): Use them.
20636 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
20637 Richard Henderson <rth@redhat.com>
20638 Jakub Jelinek <jakub@redhat.com>
20639 Diego Novillo <dnovillo@redhat.com>
20641 * c-parser.c (pragma_omp_clause): Define.
20642 (c_parser_declaration_or_fndef): Document OpenMP syntax.
20643 (c_parser_compound_statement): Likewise.
20644 (c_parser_statement): Likewise.
20645 (c_parser_pragma): Handle omp pragmas.
20646 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
20647 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
20648 (c_parser_omp_clause_name, check_no_duplicate_clause,
20649 c_parser_omp_variable_list,
20650 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
20651 c_parser_omp_clause_copyprivate,
20652 c_parser_omp_clause_default,
20653 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
20654 c_parser_omp_clause_lastprivate,
20655 c_parser_omp_clause_nowait,
20656 c_parser_omp_clause_num_threads,
20657 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
20658 c_parser_omp_clause_reduction,
20659 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
20660 c_parser_omp_all_clauses, c_parser_omp_structured_block,
20661 c_parser_omp_atomic, c_parser_omp_barrier,
20662 c_parser_omp_critical, c_parser_omp_flush,
20663 c_parser_omp_for_loop, c_parser_omp_for,
20664 c_parser_omp_master, c_parser_omp_ordered,
20665 c_parser_omp_sections_scope, c_parser_omp_sections,
20666 c_parser_omp_parallel, c_parser_omp_single,
20667 c_parser_omp_construct, c_parser_omp_threadprivate): New.
20668 * c-pragma.c (init_pragma): Do omp pragma registration here.
20669 * c.opt (fopenmp): New flag.
20671 2006-01-18 Eric Christopher <echristo@apple.com>
20673 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
20674 * config/darwin.h (GOMP_SELF_SPECS): Define.
20676 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20678 * rtl.h: Remove the prototype for reg_alloc.
20680 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20683 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
20684 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
20685 sjlj and dwarf2 exception handling.
20686 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
20687 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
20688 * pa/pa.c (function_value): Treat complex and vector types as
20690 (function_arg): Likewise. Only pass scalar floats in the floating
20691 point argument registers.
20692 * pa/t-slibgcc-dwarf-ver: New file.
20693 * pa/t-slibgcc-sjlj-ver: New file.
20694 * pa/t-slibgcc-elf-ver: Delete file.
20696 2006-01-19 Alan Modra <amodra@bigpond.net.au>
20698 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
20699 unlikely_test_section_p test.
20701 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20703 * mode-switching.c (optimize_mode_switching): Make it static.
20704 * basic-block.h: Remove the prototype for
20705 optimize_mode_switching.
20707 * modulo-sched.c (sms_schedule): Make it static.
20708 * rtl.h: Remove the prototype for sms_schedule.
20710 * postreload-gcse.c (gcse_after_reload_main): Make it static.
20711 * rtl.h: Remove the prototype for gcse_after_reload_main.
20713 * reg-stack.c (reg_to_stack): Make it static.
20714 * rtl.h: Remove the prototype for reg_to_stack.
20716 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
20718 * rtl.h: Remove the prototypes for regrename_optimize and
20719 copyprop_hardreg_forward.
20721 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20723 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20724 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20725 Test against the appropriate null constant for the mode.
20726 If 'fixup_overlap' is true, swap the operands if they overlap.
20727 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20728 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20729 alpha_split_tmode_pair and adjust for above change.
20730 * config/alpha/alpha.md (movtf_internal): Adjust call to
20731 alpha_split_tfmode_pair and rely on it to swap the operands.
20732 (movti_internal): New insn and post-reload splitter.
20733 (movti): New expander.
20735 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20737 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20740 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20742 * rtlanal.c (global_reg_mentioned_p_1,
20743 global_reg_mentioned_p): Remove.
20744 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20746 * flow.c (initialize_uninitialized_subregs): Make it static.
20747 * rtl.h: Remove the prototype for
20748 initialize_uninitialized_subregs.
20750 * function.c (instantiate_virtual_regs): Make it static.
20751 * function.h: Remove the prototype for
20752 instantiate_virtual_regs.
20754 * regmove.c (regmove_optimize, combine_stack_adjustments):
20756 * rtl.h: Remove the prototypes for regmove_optimize and
20757 combine_stack_adjustments.
20759 2006-01-17 Roger Sayle <roger@eyesopen.com>
20761 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20762 (size_cost): Encode costs in bytes so that a reg-reg addition is
20763 equivalent to COSTS_N_INSNS(1).
20764 (override_options): Use the size_cost.branch_cost as the default
20765 ix86_branch_cost when optimizing for size.
20767 2006-01-18 Ben Elliston <bje@au.ibm.com>
20769 * Makefile.in (D32PBIT_FUNCS): New.
20770 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20771 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20772 D64PBIT_FUNCS and D128PBIT_FUNCS.
20773 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20774 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20776 (decnumber_dep): Define.
20777 * doc/libgcc.texi (Decimal float library routines): New node.
20778 * config/dfp-bit.h, config/dfp-bit.c: New files.
20780 2006-01-18 Ben Elliston <bje@au.ibm.com>
20782 * expr.c (emit_move_change_mode): Always adjust addresses, not
20783 just during reload. Copy replacements only during reload.
20784 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20785 emit_move_via_integer.
20787 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20789 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20790 instead of $(srcdir) and ${srcdir}.
20792 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20795 PR middle-end/11135
20796 * arm.h (struct machine_function): Add pic_reg.
20797 * arm.c (arm_pic_register): Make unsigned.
20798 (arm_override_options): Only set arm_pic_register if
20799 TARGET_SINGLE_PIC_BASE.
20800 (use_return_insn): Only test for a pic register if it is fixed.
20801 (arm_compute_save_reg0_reg12_mask): Likewise.
20802 (thumb_compute_save_reg_mask): Likewise.
20803 (legitimate_pic_operand): Factor out some known invariants.
20804 (legitimize_pic_address): If we don't have a fixed pic register,
20805 then set up a pseudo in the function entry sequence. Handle the
20806 pic base being in a pseudo.
20807 (arm_load_pic_register): Handle the pic register being in a pseudo.
20808 (arm_expand_prologue): Only set up the pic register if it is fixed.
20809 (thumb_expand_prologue): Likewise.
20810 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20811 (pic_load_addr_based_insn): Likewise.
20812 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20815 2006-01-18 Ben Elliston <bje@au.ibm.com>
20817 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20818 decimal float modes for all floating point registers.
20820 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20821 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20823 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20826 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20827 even when the pointer is not NULL.
20829 2006-01-16 Ian Lance Taylor <ian@airs.com>
20831 * common.opt (ftoplevel-reorder): New option.
20832 * cgraph.c (cgraph_asm_nodes): New global variable.
20833 (cgraph_asm_last_node): New static variable.
20834 (cgraph_order): New global variable.
20835 (cgraph_create_node): Set new order field.
20836 (cgraph_varpool_node): Likewise.
20837 (decide_is_variable_needed): Return true if not
20838 flag_toplevel_reorder.
20839 (cgraph_add_asm_node): New function.
20840 * cgraph.h (struct cgraph_node): Add order field.
20841 (struct cgraph_varpool_node): Add order field.
20842 (struct cgraph_asm_node): Define.
20843 (cgraph_asm_nodes, cgraph_order): Declare.
20844 (cgraph_add_asm_node): Declare.
20845 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20847 (cgraph_varpool_assemble_pending_decls): Call it.
20848 (cgraph_output_pending_asms): New static function.
20849 (cgraph_finalize_compilation_unit): Call it.
20850 (struct cgraph_order_sort): Define.
20851 (cgraph_output_in_order): New static function.
20852 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20853 !flag_toplevel_reorder case.
20854 * c-parser.c: Include "cgraph.h".
20855 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20857 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20858 than -fno-unit-at-a-time.
20859 * doc/invoke.texi (Option Summary): Mention
20860 -fno-toplevel-reorder.
20861 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20862 -funit-at-a-time documentation.
20864 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20865 Kazu Hirata <kazu@codesourcery.com>
20867 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20869 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20871 * Makefile.in (FUNCTION_H): New. Use it instead of
20872 function.h throughout the file.
20873 * function.h: Include tree.h.
20875 2006-01-17 Ben Elliston <bje@au.ibm.com>
20877 * recog.c: Separate some functions with whitespace.
20879 2006-01-16 Richard Henderson <rth@redhat.com>
20881 Merge from gomp branch:
20882 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20883 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20884 and rename from struct inline_data. Rename callee* to dst*;
20885 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20886 transform_new_cfg, transform_return_to_modify, and
20887 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20889 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20890 (copy_decl_for_dup): Remove.
20891 * tree-inline.c (struct inline_data): Move to header.
20892 (insert_decl_map): Export.
20893 (remap_decl): Update for member name changes. Use copy_decl hook.
20894 Allow for replacement to be a non-decl. Remove dead code.
20895 (remap_type_1): Check for existing mapping.
20896 (remap_type): Export.
20897 (remap_decls): Update for member name changes.
20898 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20899 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20900 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20901 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20902 (tree_function_versioning, build_duplicate_type): Likewise.
20903 (copy_body_r): Likewise. Export.
20904 (copy_decl_for_dup): Split into ...
20905 (copy_decl_for_dup_finish, copy_decl_to_var,
20906 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20907 (replace_ref_tree, inlining_p): Remove.
20909 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20911 * ifcvt.c (if_convert): Make it static.
20912 * rtl.h: Remove the prototype for if_convert.
20914 * local-alloc.c (local_alloc): Make it static.
20915 * rtl.h: Remove the prototype for local_alloc.
20917 * loop.c (loop_optimize): Make it static.
20918 * cfgloop.h: Remove the prototype for loop_optimize.
20921 2006-01-16 DJ Delorie <dj@redhat.com>
20923 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20926 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20928 * pa.md: Disparage copies between general and floating-point registers
20929 in 32-bit move patterns.
20931 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
20934 * Makefile.in (check-%): Depend on site.exp instead of
20935 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
20938 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20940 * global.c (global_alloc): Make it static.
20941 * rtl.h: Remove the prototype for global_alloc.
20943 2006-01-16 Richard Guenther <rguenther@suse.de>
20945 * tree-ssa-alias.c (struct used_part): Add write_only field.
20946 (get_or_create_used_part_for): Initialize it to true.
20947 (create_overlap_variables_for): Don't create structure variables
20948 for structures that only are written to.
20949 (find_used_portions): Handle MODIFY_EXPR to track whether a
20950 structure is only written to.
20952 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20954 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
20956 * basic-block.h: Remove the prototype for
20957 partition_hot_cold_basic_blocks.
20959 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
20961 * cppspec.c (lang_specific_spec_functions): Remove.
20962 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
20963 * gcc.h (lang_specific_spec_functions): Remove.
20964 * gccspec.c (lang_specific_spec_functions): Remove.
20966 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
20968 * combine.c (record_value_for_reg): Invalidate registers
20970 (record_dead_and_set_regs_1): Likewise, by passing them to
20971 record_value_for_reg.
20972 (record_dead_and_set_regs): Invalidate stores made by a
20973 call. We do not combine across a call, but we still
20974 relied on equivalences.
20976 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20978 * tree-vrp.c (extract_range_from_binary_expr): Cope with
20979 vrp_int_const_binop returning non-constant nodes.
20981 2006-01-16 Paul Brook <paul@codesourcery.com>
20983 * config/m68k/m68k.c (output_move_const_into_data_reg):
20984 Output correct mnemonic for mvz and mvs.
20986 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
20988 * rtl-factoring.c: Add sequence abstraction algorithm.
20989 * cfgcleanup.c (outgoing_edges_match): Extra checks.
20990 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
20992 (block_has_preserve_label): New function.
20993 * common.opt: Register new pass.
20994 * Makefile.in: Ditto.
20996 * timevar.def: Ditto.
20997 * tree-pass.h: Ditto.
20998 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
20999 * rtl.h (make_jump_insn_raw): Add forward decl.
21000 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
21002 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
21003 Roger Sayle <roger@eyesopen.com>
21005 * fold-const.c (fold_minmax): New static function.
21006 (fold_binary) <MIN_EXPR>: Call it.
21007 <MAX_EXPR>: Likewise.
21008 * stor-layout.c (place_field): Use DECL_SIZE consistently
21009 in the computation of the new record size.
21011 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
21013 * cse.c (cse_condition_code_reg): Make it static.
21014 * rtl.h: Remove the prototype for cse_condition_code_reg.
21016 * combine.c (combine_instructions): Make it static.
21017 * rtl.h: Remove the prototype for combine_instructions.
21019 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21022 * tree.c (get_file_function_name_long): Concatenate the first global
21023 object name with a string derived from the input filename of the object
21026 2006-01-16 Ben Elliston <bje@au.ibm.com>
21028 * config/i386/winnt-stubs.c: Update FSF address.
21029 * config/xtensa/ieee754-df.S: Ditto.
21030 * config/xtensa/ieee754-sf.S: Ditto.
21032 2006-01-14 Ian Lance Taylor <ian@airs.com>
21034 * ifcvt.c (noce_init_if_info): New static function, broken out of
21035 noce_process_if_block.
21036 (noce_process_if_block): Call noce_init_if_info.
21037 (check_cond_move_block): New static function.
21038 (cond_move_process_if_block): New static function.
21039 (process_if_block): Call cond_move_process_if_block.
21041 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
21043 * cselib.c (hash_table): Rename to cselib_hash_table.
21044 (cselib_clear_table, discard_useless_values,
21045 remove_useless_values, cselib_lookup_mem, cselib_lookup,
21046 cselib_init, cselib_finish): Adjust uses of hash_table.
21048 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
21050 PR tree-optimization/25485
21051 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
21052 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
21053 is known to be false and true, respectively.
21055 2006-01-14 Richard Guenther <rguenther@suse.de>
21057 PR tree-optimization/22548
21058 PR tree-optimization/22555
21059 PR tree-optimization/22501
21060 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
21061 * params.def (salias-max-array-elements): New parameter.
21062 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
21063 * doc/invoke.texi (salias-max-array-elements): Document.
21064 * tree-flow-inline.h (var_can_have_subvars): We also handle
21066 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
21068 * tree-ssa-structalias.c (params.h): Include.
21069 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
21070 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
21071 (get_constraint_for): For ADDR_EXPR operating on something
21072 containing an ARRAY_REF, add all subvars to the solution.
21073 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
21074 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
21075 for creating MUST_DEFs.
21076 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
21078 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
21080 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
21082 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
21083 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
21084 number_of_iterations_le): New functions.
21085 (number_of_iterations_special): Removed.
21086 (number_of_iterations_exit): Do not use number_of_iterations_special.
21087 * tree.c (unsigned_type_for): Always return integer type.
21089 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
21090 Richard Guenther <rguenther@suse.de>
21092 PR rtl-optimization/24257
21093 * gcse.c (find_moveable_store): Only consider a store movable
21094 when the SET_SRC of the insn can be assigned to a register.
21096 2006-01-14 Ian Lance Taylor <ian@airs.com>
21098 * tree.c (tree_not_class_check_failed): New function.
21099 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
21100 (tree_not_class_check_failed): Declare.
21102 2006-01-13 Ian Lance Taylor <ian@airs.com>
21104 * reload1.c (do_output_reload): Add assertion rejecting a
21107 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
21109 * combine.c (struct reg_stat): Add new fields truncation_label and
21111 (record_value_for_reg): Reset truncated_to_mode.
21112 (record_truncated_value): New function.
21113 (check_promoted_subreg): Call it. Rename to check_conversions.
21114 (combine_instructions): Rename check_promoted_subreg to
21116 (reg_truncated_to_mode): New function.
21117 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
21118 (gen_lowpart_or_truncate): New function.
21119 (force_to_mode): Use it instead of gen_lowpart.
21121 2006-01-13 Diego Novillo <dnovillo@redhat.com>
21123 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
21124 VAR is a tag, not its type tag.
21126 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
21128 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
21129 alternatives to match style of other entries.
21130 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
21132 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
21134 PR tree-optimization/25771
21135 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
21138 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
21141 * tree-inline.c (declare_return_variable): If the return variable
21142 was marked as a non gimple complex, set the return slot variable
21143 to be a non gimple comple variable.
21145 2006-01-13 Richard Guenther <rguenther@suse.de>
21147 * builtins.c (expand_builtin_sincos): New function.
21148 (expand_builtin_mathfn_3): Remove dead code, sin and cos
21150 (expand_builtin): Expand sincos using expand_builtin_sincos.
21152 2006-01-12 DJ Delorie <dj@redhat.com>
21154 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
21155 shift counts, separate SI shifts for m32c vs m16c, pass shift type
21156 so that constant shifts can be split.
21157 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
21158 (m32c_valid_pointer_mode): Make static.
21159 (shift_gen_func_for): New.
21160 (m32c_prepare_shift): Use it. Split large const shifts into
21162 * config/m32c/predicates.md (shiftcount_operand): Allow more
21164 (longshiftcount_operand): New.
21165 * doc/md.texi (Machine Constraints): Document In6.
21167 2006-01-13 Ben Elliston <bje@au.ibm.com>
21169 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
21170 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
21173 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
21175 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
21176 to try to avoid clobbering pieces of structures when we know
21177 something about the whole structure.
21178 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
21180 2006-01-13 Ben Elliston <bje@au.ibm.com>
21182 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
21183 return in memory, as this is no limitation is no longer present.
21185 2006-01-12 DJ Delorie <dj@redhat.com>
21187 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
21188 mova with fb, and for fb+0 -> An.
21190 * config/m32c/mov.md (peephole2): Fix enabling logic.
21192 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
21193 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
21194 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
21195 FINI_ARRAY_SECTION_ASM_OP): Define.
21197 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
21199 (m32c_legitimize_reload_address): New logic to reload FB to An.
21200 (m32c_output_reg_push): Add newline.
21201 (m32c_output_reg_pop): Likewise.
21203 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
21205 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
21207 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
21209 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
21211 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21213 * config/sh/predicates.md (sh_rep_vec): Add parallel to
21216 2006-01-11 Ben Elliston <bje@au.ibm.com>
21218 * rtlanal.c (find_reg_note): Assert insn is not null.
21220 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21222 * df-scan.c (df_hard_reg_init): Move declaration of i outside
21225 2006-01-11 Jeff Law <law@redhat.com>
21227 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
21229 (mark_threaded_blocks, register_jump_thread): New functions.
21230 (thread_through_all_blocks): Remove unwanted argument. No
21231 longer rely on e->aux to communicate thread target info.
21232 Call mark_threaded_blocks. Release the threaded_blocks
21233 bitmap and threaded_edges vector when complete.
21234 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
21235 (threaded_blocks): Remove.
21236 (tree_ssa_dominator_optimize): Remove initialization and
21237 finalization of threaded_blocks. Simplify call to
21238 thread_through_all_blocks.
21239 (thread_across_edge): Call register_jump_thread rather than
21240 storing thread information into e->aux.
21241 (free_all_edge_infos): Simplify now that e->aux is no longer
21242 used to communicate with thread_through_all_blocks.
21243 * tree-flow.h (thread_through_all_blocks): Update prototype.
21244 (register_jump_thread): Prototype.
21246 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21248 * df-core.c (df_compact_blocks, df_bb_replace): Use
21249 SET_BASIC_BLOCK instead of BASIC_BLOCK.
21251 2006-01-11 Richard Guenther <rguenther@suse.de>
21253 PR tree-optimization/25734
21254 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
21255 stop propagation after successful propagation to the LHS.
21257 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21259 * basic-block.h (control_flow_graph): Change the type of
21260 x_basic_block_info to VEC(basic_block,gc) *.
21261 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
21263 (SET_BASIC_BLOCK): New.
21264 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
21265 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
21266 * cfgbuild.c (find_basic_blocks): Likewise.
21267 * cfglayout.c (fixup_reorder_chain): Likewise.
21268 * cfgrtl.c (create_basic_block_structure,
21269 rtl_create_basic_block): Likewise.
21270 * ifcvt.c (find_if_case_1): Likewise.
21271 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
21274 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21276 * Makefile.in: Removed rotted odf.c entry.
21278 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
21281 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
21282 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
21283 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
21284 output pattern modifier, not %e.
21285 * config/cris/cris.c (cris_op_str): Update comment about pattern
21287 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
21288 before falling through into...
21289 <case 'E'>: Redefined from old 'e' case.
21291 2006-01-11 Jan Hubicka <jh@suse.cz>
21294 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
21296 2006-01-11 Jan Hubicka <jh@suse.cz>
21298 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
21299 * i386.c (x86_decompose_lea): Kill.
21300 (ix86_rtx_costs): Kill.
21302 2006-01-11 Jan Hubicka <jh@suse.cz>
21304 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
21305 * cgraph.h (cgraph_node): Add inline_decl.
21306 (cgraph_insert_node_to_hashtable): Declare.
21307 (save_inline_function_body): Declare.
21308 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
21310 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
21311 (cgraph_function_versioning): Update call of tree_function_versioning.
21312 (save_inline_function_body): New function.
21313 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
21314 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
21315 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
21316 (cgraph_default_inline_p): Likewise.
21317 (cgraph_decide_inlining_incrementally): Likewise.
21318 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
21319 (copy_bb): Kill saving; do updating of clones.
21320 (copy_cfg_body): Kill saving.
21321 (initialize_inlined-parameters): Likewise.
21322 (expand_call_inline): Likewise.
21324 (tree_function_versioning): New parameter "update_clones".
21325 (inlining_p): Kill saving.
21326 * tree-inline.h (tree_function_versioning): Update prototype.
21327 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
21330 2006-01-11 Ian Lance Taylor <ian@airs.com>
21332 * combine.c (struct undo): Remove is_int. Enumify types of undos.
21333 Allow undoing set of machine mode.
21334 (do_SUBST): Use enums instead of is_int.
21335 (do_SUBST_MODE): New function.
21336 (SUBST_MODE): New macro.
21337 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
21338 reg and trying to replace reg_regno_rtx with a new register.
21339 (undo_all): Use new enums, handle undoing a PUT_MODE change.
21340 (simplify_set): Use SUBST_MODE.
21341 (distribute_notes): Remove code that tried to update reg notes
21342 for regno_reg_rtx changes.
21344 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
21346 PR tree-optimization/23109
21347 PR tree-optimization/23948
21348 PR tree-optimization/24123
21350 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
21351 * tree-cfg.c (single_noncomplex_succ): New.
21352 * tree-flow.h (single_noncomplex_succ): Declare it.
21353 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21354 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21355 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
21356 insert_bb, register_division_in, insert_reciprocals,
21357 replace_reciprocal, free_bb): New.
21358 (execute_cse_reciprocals_1): Rewritten.
21359 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
21360 Do not commit any edge insertion. Always compute dominators and
21361 create the allocation pool.
21362 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
21363 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
21364 * targhooks.c (default_min_divistions_for_recip_mul): New.
21365 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
21366 * passes.c (init_optimization_passes): Run recip after tree loop
21368 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
21370 2006-01-11 Danny Berlin <dberlin@dberlin.org>
21371 Kenneth Zadeck <zadeck@naturalbridge.com>
21373 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
21374 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
21375 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
21376 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
21377 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
21378 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
21379 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
21380 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
21381 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
21382 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
21383 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
21384 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
21385 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
21386 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
21387 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
21388 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
21389 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
21390 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
21391 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
21392 DF_SCAN_POST_ALLOC): New macros.
21393 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
21394 df_free_bb_function, df_local_compute_function, df_init_function,
21395 df_dataflow_function, df_confluence_function_0,
21396 df_confluence_function_n, df_transfer_function,
21397 df_finalizer_function, df_free_function, df_dump_problem_function,
21398 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
21399 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
21400 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
21401 df_urec_bb_info, ) New types.
21402 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
21404 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
21405 df_analyze_simple_change_some_blocks,
21406 df_analyze_simple_change_one_block, df_compact_blocks,
21407 df_bb_replace, df_bb_regno_last_use_find,
21408 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
21409 df_insn_regno_def_p, df_find_def, df_find_use,
21410 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
21411 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
21412 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
21413 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
21414 debug_df_chain, df_get_dependent_problem, df_chain_create,
21415 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
21416 df_grow_bb_info, df_chain_dump, df_print_bb_index,
21417 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
21418 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
21419 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
21420 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
21421 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
21422 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
21423 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
21424 df_ref_remove, df_insn_refs_delete, df_refs_delete,
21425 df_reorganize_refs, df_set_state, df_hard_reg_init,
21426 df_read_modify_subreg_p) New public functions.
21427 * df-core.c: The core dataflow solver and glue routines for rtl
21429 (df_init, df_add_problem, df_set_blocks, df_finish,
21430 df_hybrid_search_forward, df_hybrid_search_backward,
21431 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
21432 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
21433 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
21434 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
21435 df_reg_defined, df_find_use, df_reg_used, df_dump,
21436 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
21437 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
21438 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
21439 debug_df_useno, reset_df_after_reload): New functions.
21440 * df-scan.c: The scanning fuctions, once in df.c, completely
21441 rewritten so that they now fully model the functionality of
21442 register usage at the backend.
21443 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
21444 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
21445 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
21446 df_grow_insn_info, df_rescan_blocks, df_ref_create,
21447 df_get_artificial_defs, df_get_artificial_uses,
21448 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
21449 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
21450 df_refs_delete, df_reorganize_refs, df_set_state,
21451 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
21452 df_def_record_1, df_defs_record, df_uses_record,
21453 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
21454 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
21455 df_record_exit_block_uses, df_hard_reg_init): New functions.
21457 * df-problems.c: Seven concrete dataflow problems that use the
21458 scanning in df-scan.c and are solved by the engine in df-core.c.
21459 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
21460 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
21461 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
21462 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
21463 df_ru_free_bb_info, df_ru_alloc,
21464 df_ru_bb_local_compute_process_def,
21465 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
21466 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
21467 df_ru_transfer_function, df_ru_free, df_ru_dump,
21468 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
21469 df_rd_free_bb_info, df_rd_alloc,
21470 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
21471 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
21472 df_rd_transfer_function, df_rd_free, df_rd_dump,
21473 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
21474 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
21475 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
21476 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
21477 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
21478 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
21479 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
21480 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
21481 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
21482 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
21483 df_urec_mark_reg_change, df_urec_check_earlyclobber,
21484 df_urec_mark_reg_use_for_earlyclobber,
21485 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
21486 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
21487 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
21488 df_urec_dump, df_urec_add_problem, df_chain_alloc,
21489 df_chain_create_bb_process_use, df_chain_create_bb,
21490 df_chain_finalize, df_chain_free, df_chains_dump,
21491 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
21492 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
21493 df_reg_lifetime): New functions.
21494 * df.c: Deleted file.
21495 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
21496 consistent with new df api.
21497 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
21498 rest_of_handle_sms): Ditto.
21499 * web.c (unionfind_union, union_defs, entry_register, web_main):
21501 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
21502 invariant_expr_equal_p, find_defs, check_dependencies,
21503 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
21504 free_inv_motion_data, move_loop_invariants): Ditto.
21505 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
21506 Update dependencies.
21507 (odf.c): Added defective entry that was deleted later in day.
21508 * sched-deps.c (sched_analyze_1): Ditto.
21510 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
21512 * tree-ssa-operands.c (get_expr_operands): Record addressable
21513 variables directly. Do not call add_stmt_operands for CONST_DECLs
21515 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
21516 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
21518 2006-01-11 Ben Elliston <bje@au.ibm.com>
21520 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
21521 function returns true in the positive case.
21523 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21526 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
21527 for SI, DI, SF and DF modes. Add alternatives to copy between
21528 general and floating point registers to the 32-bit patterns.
21529 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
21530 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
21531 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
21532 generating 64-bit code.
21533 * config/pa/pa.c (output_move_double): Handle copies between general
21534 and floating registers.
21536 2006-01-10 Stuart Hastings <stuart@apple.com>
21538 * config/i386/i386.md (set_got): Update.
21539 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
21540 (builtin_setjmp_receiver): Mach-O support.
21541 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
21542 (GOT_SYMBOL_NAME): Define.
21543 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
21544 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
21545 * config/i386/i386.c (override_options): Revise for Darwin.
21546 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
21547 support. (darwin_x86_file_end): New. (output_set_got): Add label
21548 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
21549 * config/i386/i386-protos.h (output_set_got): Likewise.
21550 * config/darwin.c (machopic_legitimize_pic_address): Update
21553 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
21555 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
21556 when MODE isn't BLKmode.
21558 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
21560 PR rtl-optimization/25367
21561 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
21563 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
21566 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
21567 for a negative bound.
21569 2006-01-10 Richard Guenther <rguenther@suse.de>
21571 * tree-ssa-structalias.c (get_constraint_for_component_ref):
21572 Never override with anything constraint.
21574 2006-01-10 Jan Beulich <jbeulich@novell.com>
21576 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
21577 256 bits when optimize_size.
21579 2006-01-10 Jan Beulich <jbeulich@novell.com>
21581 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
21583 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
21584 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
21587 2006-01-10 Ben Elliston <bje@au.ibm.com>
21589 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
21591 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
21592 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
21593 (USE_FP_FOR_ARG): Reject decimal float modes.
21594 (function_arg_advance): Likewise.
21595 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
21596 (rs6000_handle_altivec_attribute): Do not permit decimal floating
21597 point types in AltiVec vectors.
21598 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
21599 (rs6000_libcall_value): Likewise.
21601 2006-01-09 Bob Wilson <bob.wilson@acm.org>
21603 * config/xtensa/ieee754-df.S: New file.
21604 * config/xtensa/ieee754-sf.S: New file.
21605 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
21606 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
21607 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
21609 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
21611 * config/sh/predicates.md (binary_float_operator,
21612 binary_logical_operator, commutative_float_operator,
21613 equality_comparison_operator, greater_comparison_operator,
21614 less_comparison_operator, logical_operator,
21615 noncommutative_float_operator, shift_operator,
21616 symbol_ref_operand, unary_float_operator): Remove redundant
21619 2006-01-09 Jeff Law <law@redhat.com>
21621 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
21622 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
21623 now unused arguments. Callers updated.
21624 (eliminate_redundant_computations): Remove now unused arguments,
21626 (local_fold): Remove, no longer used.
21627 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
21629 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
21630 (simplify_cond): New function.
21631 (forward_propagate_into_cond): Call simplify_cond.
21633 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
21635 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
21636 (*vec_extractv2di_1_sse): New.
21638 2006-01-09 Ben Elliston <bje@au.ibm.com>
21640 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
21642 2006-01-08 Richard Guenther <rguenther@suse.de>
21644 * tree-ssa-structalias.c (get_constraint_for): Remove
21645 anyoffset argument.
21646 (get_constraint_for_component_ref): Likewise.
21647 (do_deref): Likewise.
21648 (get_constraint_for): Likewise.
21649 (do_structure_copy): Likewise.
21650 (handle_ptr_arith): Likewise.
21651 (find_func_aliases): Likewise. Remove unused need_anyoffset
21654 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
21655 Kaz Kojima <kkojima@gcc.gnu.org>
21657 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
21658 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
21659 (EXTRA_CONSTRAINT_C16): Remove.
21660 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
21661 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
21662 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
21663 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
21664 constants of SHmedia. Handle nested constant expressions of
21666 (andcosts): Fix the costs for SHmedia constants.
21667 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
21668 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
21669 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
21670 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
21671 (movv4hi_i, movv2si_i): Likewise.
21672 (movsi_const): Adjust the second operand of ior so to match with
21673 the Csu constraint.
21674 (movdi_const, movdi_const_32bit): Likewise.
21675 (movdi_const_16bit+1): Don't sign-extend LOW.
21676 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
21678 (*double_shori): Fix the split condition. Use GEN_INT instead
21679 of get_int_mode calls. Mask lower 16-bit of the argument of
21681 (sym2GOTPLT): Remove.
21682 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
21684 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
21685 instead of EXTRA_CONSTRAINT_C16.
21687 2006-01-07 Ian Lance Taylor <ian@airs.com>
21688 David Edelsohn <edelsohn@gnu.org>
21690 PR rtl-optimization/25662
21691 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
21692 for constant operands instead of simplify_gen_binary.
21693 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
21694 after trying simplify_binary_operation
21696 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
21698 * tree.c (iterative_hash_expr): Hash decls based on UID.
21700 2006-01-06 Eric Christopher <echristo@apple.com>
21702 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
21703 (TARGET_UNWIND_EMIT): Fix spelling.
21704 * target.h (gcc_target): Add except_table_label.
21705 * except.c (output_function_exception_table): Use.
21706 * varasm.c (default_emit_except_table_label): New.
21707 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
21709 (asm_out): Add here.
21710 * output.h (default_emit_except_table_label): Prototype.
21711 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
21712 * config/darwin.c (darwin_emit_except_table_label): Define.
21713 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
21715 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
21717 PR tree-optimization/18527
21718 * tree-ssa-loop-niter.c (number_of_iterations_cond,
21719 number_of_iterations_special, number_of_iterations_exit):
21720 Move base and step of an iv to a single structure. Add
21721 no_overflow flag, and use it in # of iterations analysis.
21722 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21723 folded_casts argument.
21724 (simple_iv): Pass base and step in a structure. Set no_overflow
21726 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21727 Evaluate expensiveness of computing # of iterations instead of
21728 the final expression.
21729 * tree-scalar-evolution.h (affine_iv): New structure.
21730 (simple_iv): Declaration changed.
21731 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21732 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21733 find_givs_in_stmt): Changed due to simple_iv change.
21735 2006-01-06 Jeff Law <law@redhat.com>
21738 * tree-cfg.c (bsi_replace): Rename final argument from
21739 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21740 change (stmt -> orig_stmt).
21741 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21742 (bsi_remove): Add new argument. Remove EH information
21744 (verify_eh_throw_table_statements): New function.
21745 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21747 * tree-optimize.c (execute_free_cfg_annotations): Verify
21748 the EH throw statement table after removing annotations.
21749 * except.h (verify_eh_throw_table_statements): Prototype.
21750 * tree-flow.h (bsi_remove): Update prototype.
21751 * tree-vrp.c (remove_range_assertions): Add new argument to
21753 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21754 * tree-complex.c (expand_complex_div_wide): Likewise.
21755 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21756 * tree-tailcall.c (eliminate_tailcall): Likewise.
21757 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21758 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21759 * tree-nrv.c (tree_nrv): Likewise.
21760 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21761 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21762 (combine_blocks): Likewise.
21763 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21764 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21765 (cleanup_control_flow): Likewise.
21766 (remove_forwarder_block): Likewise.
21767 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21768 * tree-sra.c (sra_replace): Likewise.
21769 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21770 (forward_propagate_single_use_vars): Likewise.
21771 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21772 * tree-inline.c (expand_call_inline): Likewise.
21773 * tree-vect-transform.c (vect_transform_loop): Likewise.
21774 * tree-outof-ssa.c (rewrite_trees): Likewise.
21775 * tree-cfg.c (make_goto_expr_edges): Likewise.
21776 (cleanup_dead_labels): Likewise.
21777 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21778 (bsi_move_before, bsi_move_after): Likewise.
21779 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21780 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21782 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21785 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21787 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21788 on non gimple variables. Also add checks at the top for decls and
21790 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21792 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21793 and IMAGPART_EXPR for creating MUST_DEFs.
21794 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21795 and NAME_MEMORY_TAG separately from the DECLs.
21797 2006-01-06 Richard Guenther <rguenther@suse.de>
21799 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21800 annotation, if necessary.
21801 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21802 redundant calls to update_stmt.
21803 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21806 2006-01-05 Richard Henderson <rth@redhat.com>
21808 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21810 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21812 * c-typeck.c: Update copyright date.
21814 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21816 * c-typeck.c (build_c_cast): Always warn when casting
21817 from a pointer to an integer of different size, even if
21818 the node was constant.
21820 2006-01-05 Richard Guenther <rguenther@suse.de>
21822 PR tree-optimization/22555
21823 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21824 if one structure field is an array.
21825 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21826 operands even if we found a subvar, but ignore VOPs in this
21828 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21830 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21832 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21834 PR middle-end/24998
21835 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21837 2006-01-05 Richard Guenther <rguenther@suse.de>
21838 Diego Novillo <dnovillo@redhat.com>
21840 * tree-pass.h (TODO_remove_unused_locals): Define.
21841 * gimple-low.c (expand_var_p, remove_useless_vars,
21842 pass_remove_useless_vars): Remove. Update all users.
21843 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21844 (remove_unused_locals): New function.
21845 * tree-flow.h (remove_unused_locals): Declare.
21846 * passes.c (execute_todo): Call remove_unused_locals if
21847 TODO_remove_unused_locals is set.
21848 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21849 * tree-ssa-dce.c (pass_dce): Likewise.
21850 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21852 2006-01-05 Richard Guenther <rguenther@suse.de>
21854 * tree-flow.h (struct fieldoff): Decompose field to
21855 type, size and decl.
21856 * tree-ssa-alias.c (create_sft): Take type as parameter.
21857 (create_overlap_variables_for): Store type, size and decl
21858 in the fieldoff structure.
21859 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21860 of struct fieldoff.
21861 (push_fields_onto_fieldstack): Likewise.
21862 (create_variable_info_for): Likewise. Use offset for the
21863 SFT name if the decl is not available.
21865 2006-01-04 Paul Brook <paul@codesourcery.com>
21867 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21869 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21871 * lambda-code.c (can_put_in_inner_loop): Relax
21873 (can_put_after_inner_loop): New function.
21874 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21875 (perfect_nestify): Change to make copies and modify uses.
21877 2006-01-04 Richard Henderson <rth@redhat.com>
21879 Merge from gomp branch:
21880 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21881 via integer constant.
21882 (pragma_lex): Remove.
21883 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21884 rather than parsing it.
21885 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21886 handle_pragma_extern_prefix): Add %< %> quotes.
21887 (registered_pragmas): New.
21888 (c_register_pragma_1): New.
21889 (c_register_pragma): Use it.
21890 (c_register_pragma_with_expansion): Likewise.
21891 (c_invoke_pragma_handler): New.
21892 (init_pragma): Use cpp_register_deferred_pragma directly for
21894 * c-pragma.h (enum pragma_kind): New.
21895 (pragma_handler): New.
21896 (c_invoke_pragma_handler): Declare.
21897 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21899 * c-common.h (c_common_pch_pragma): Update decl.
21900 * Makefile.in (c-parser.o): Update dependencies.
21901 (GTFILES): Add c-pragma.h.
21902 * c-parser.c (struct c_token): Add pragma_kind.
21903 (struct c_parser): Add in_pragma.
21904 (c_lex_one_token): Always initialize keyword and pragma_kind.
21905 Extract data for CPP_PRAGMA.
21906 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21907 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21908 Don't allow CPP_PRAGMA_EOL if in_pragma.
21909 (c_parser_consume_pragma): New.
21910 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21911 (c_parser_skip_to_end_of_parameter): Likewise.
21912 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21913 (c_parser_skip_to_pragma_eol): New.
21914 (c_parser_external_declaration): Handle CPP_PRAGMA.
21915 (c_parser_compound_statement_nostart): Likewise.
21916 (c_parser_statement_after_labels): Likewise.
21917 (c_parser_pragma): New.
21918 (pragma_lex): Likewise.
21919 (c_parser_pragma_pch_preprocess): New.
21920 (c_parser_new): Merge into ...
21921 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21923 2006-01-04 Jeff Law <law@redhat.com>
21926 * tree-cfg.c (bsi_replace): Remove the original statement
21927 from the EH throw statement table.
21929 2006-01-04 Jakub Jelinek <jakub@redhat.com>
21931 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
21932 make the prototype extern "C" and add throw ().
21935 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
21936 and pos non-negative and pos + len <= 32.
21937 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
21938 drop pos + len < HOST_BITS_PER_WIDE_INT test.
21939 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
21942 * c-common.c (handle_vector_size_attribute): Reject zero vector size
21943 as well as sizes not multiple of component size.
21946 * function.c (instantiate_expr): New function.
21947 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
21948 walk its DECL_VALUE_EXPR with instantiate_expr.
21950 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
21951 DW_OP_deref{,_size} if address isn't going to be added.
21953 2006-01-04 Ben Elliston <bje@au.ibm.com>
21955 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
21956 * config/fp-bit.c: Likewise.
21958 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
21960 * dominance.c: Add comment about why we use DFS numbering
21963 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21964 Richard Henderson <rth@redhat.com>
21966 Merge from gomp-branch:
21967 * varasm.c (assemble_variable): Handle thread-local COMMON data.
21968 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
21970 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
21972 PR rtl-optimization/25578
21973 * combine.c (combine_simplify_rtx, force_to_mode): Don't
21974 pass a parameter to simplify_shift_const if changing ASHIFTRT
21977 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
21979 * builtins.c (get_builtin_sync_mem): New function.
21980 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
21981 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
21982 Call get_builtin_sync_mem to generate mem rtx.
21984 2006-01-03 Richard Guenther <rguenther@suse.de>
21987 * stmt.c (add_case_node): Make sure to clear overflow flags
21990 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21992 Merge from gomp-branch.
21993 * config/sparc/sync.md: New file.
21994 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
21995 UNSPECV_LDSTUB): New constants.
21996 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
21997 * config/sparc/predicates.md (memory_reg_operand): New predicate.
21998 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
22001 2006-01-03 Roger Sayle <roger@eyesopen.com>
22003 * combine.c (reg_subword_p): New predicate to test whether the
22004 destination of a set refers to a subword/piece of a register.
22005 (try_combine): Generalize the code to merge the setting of a
22006 pseudo to a constant followed by a set of a subword of that
22007 register to a constant.
22009 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
22011 * basic-block.h (control_flow_graph): Change the type of
22012 x_label_to_block_map to VEC(basic_block,gc) *.
22013 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
22014 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
22016 * tree-ssa-propagate.c (cfg_blocks): Change the type to
22017 VEC(basic_block,heap) *.
22018 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
22019 ssa_prop_fini): Adjust the uses of cfg_blocks.
22021 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
22023 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
22025 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
22026 hashing trees instead of a pointer hash.
22027 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
22028 compare for MEM_EXPR.
22030 PR rtl-optimization/25130
22031 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
22032 when comparing MEMs for GCSE
22034 2006-01-03 Ben Elliston <bje@au.ibm.com>
22036 * targhooks.h (default_decimal_float_supported_p): Declare.
22037 * targhooks.c (default_decimal_float_supported_p): Define.
22038 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
22039 `default_decimal_float_supported_p'.
22040 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
22042 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
22044 * combine.c (apply_distributive_law <SUBREG>): Check
22045 TRULY_NOOP_TRUNCATION.
22047 2006-01-02 Geoffrey Keating <geoffk@apple.com>
22049 * dwarf2out.c (have_switched_text_section): Delete.
22050 (have_multiple_function_sections): New.
22051 (have_location_lists): Make 'bool'.
22052 (add_AT_loc_list): Use 'true' not '1'.
22053 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
22054 (output_loc_list): Use have_multiple_function_sections.
22055 (output_ranges): Likewise.
22056 (dwarf2out_begin_function): Set have_multiple_function_sections if
22058 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
22059 Check function_section rather than DECL_SECTION_NAME.
22060 (dwarf2out_finish): Use have_multiple_function_sections.
22061 Don't clear have_location_lists.
22063 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
22064 Jan Hubicka <jh@suse.cz>
22066 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
22067 case of conditional jump jumping to the next instruction.
22068 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
22069 cases of conditional jump jumping to the next instruction.
22071 2006-01-02 Jan Hubicka <jh@suse.cz>
22073 * i386.c (*_cost): Add COSTS_N_INSNS.
22074 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
22076 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
22079 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
22081 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
22083 * config/arm/arm.c (all_fpus): Fix comment typo.
22084 * config/darwin.c: Likewise.
22085 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
22086 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
22087 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
22089 2006-01-01 David Edelsohn <edelsohn@gnu.org>
22091 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
22092 (rs6000_split_compare_and_swapqhi): New.
22093 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
22094 (sync_compare_and_swapqhi_internal): New.
22095 * config/rs6000/rs6000-protos.h: Declare.