1 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
3 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
4 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
5 * tree-loop-linear.c (linear_transform_loops): Ditto.
6 * tree-ssa-loop-im.c (determine_lsm): Ditto.
7 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
8 free_numbers_of_iterations_estimates): Ditto.
9 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
10 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
12 * modulo-sched.c (sms_schedule): Ditto.
13 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
14 tree_unroll_loops_completely): Ditto.
15 * predict.c (predict_loops): Ditto.
16 * tree-if-conv.c (main_tree_if_conversion): Ditto.
17 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
18 decide_unrolling_and_peeling): Ditto.
19 * cfgloopmanip.c (unloop): Use delete_loop.
20 (place_new_loop): Access larray vector instead of parray.
21 (create_preheaders, force_single_succ_latches,
22 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
23 * loop-doloop.c (doloop_optimize_loops): Ditto.
24 * loop-invariant.c (move_loop_invariants): Ditto.
25 * tree-cfg.c (replace_uses_by): Ditto.
26 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
27 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
29 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
31 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
32 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
33 get_loop and get_chrec_loop.
34 (number_of_iterations_for_all_loops): Use number_of_loops.
35 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
36 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
37 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
39 * tree-chrec.c (evolution_function_is_invariant_rec_p,
40 chrec_convert_1): Use get_loop and get_chrec_loop.
41 * loop-init.c (loop_optimizer_init): Use number_of_loops.
42 (loop_optimizer_init): Use FOR_EACH_LOOP.
43 * tree-vectorizer.c (vect_loops_num): Removed.
44 (vectorize_loops): Store number of loops locally. Use
45 FOR_EACH_LOOP and get_loop.
46 * tree-vectorizer.h (vect_loops_num): Removed.
47 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
48 (find_data_references_in_loop): Do not set parallel_p.
49 * tree-data-ref.h: Do not declare VEC(loop_p).
50 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
51 verify_loop_structure): Use FOR_EACH_LOOP.
52 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
53 (initialize_loops_parallel_p): Removed.
54 (flow_loops_find): Push the loops into a vector.
55 (delete_loop): New function.
56 (cancel_loop): Use delete_loop.
57 * cfgloop.h: Declare VEC(loop_p).
58 (struct loop): Remove parallel_p field.
59 (struct loops): Replace num and parray field by larray vector.
60 Remove shared_headers field.
61 (delete_loop): Declare.
62 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
64 * doc/loop.tex: Document new accessor functions.
66 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
68 * common.opt (-ftree-lrs): Remove live range splitting option.
69 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
70 * opts.c (decode_options): Remove flag_tree_live_range_split.
71 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
72 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
73 * tree-outof-ssa.c: Remove header files which aren't needed.
74 (SSANORM_*): Remove flags.
75 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
76 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
77 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
78 (assign_vars): Use Basevar instead of root_var structure.
79 (replace_def_variable): Dont do anything if def is replaceable.
80 (remove_ssa_form): Integrate functional changes.
81 (rewrite_out_of_ssa): Remove live-range_split option.
82 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
83 (coalesce_cost): Calculate the cost of a coalesce.
84 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
85 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
86 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
87 (pop_best_coalesce): Remove the best coalesce from the list.
88 (coalesce_pair_map_hash): Calculate coalesce pair hash.
89 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
90 (create_coalesce_list): Create a coalesce list object.
91 (delete_coalesce_list): Free a coalesce list object.
92 (find_coalesce_pair): Find matching pair in the coalesce list.
93 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
94 (add_coalesce): Add a coalesce to the coalesce list.
95 (compare_pairs): Comparision function to determine pair sorted order.
96 (num_coalesce_pairs): Number of coalesced pairs.
97 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
98 Coalesce pair iterator functions.
99 (sort_coalesce_list): Sort coalesce pairs in order of expense.
100 (dump_coalesce_list): Show coalesce list.
101 (ssa_conflicts_new): Create an SSA conflict graph.
102 (ssa_conflicts_delete): Delete an SSA conflict graph.
103 (ssa_conflicts_test_p): Test for conflicts.
104 (ssa_conflicts_add_one): Add a single conflict.
105 (ssa_conflicts_add): Add a conflict pair.
106 (ssa_conflicts_merge): Merge conflicts.
107 (struct live_track_d): Struct for tracking live partitions.
108 (new_live_track): Create new live_track object.
109 (delete_live_track): Delete a live_track object.
110 (live_track_remove_partition): Remove a partition from the live list.
111 (live_track_add_partition): Add a partition from the live list.
112 (live_track_clear_var): Take VAR from the live list.
113 (live_track_live_p): Is var live?
114 (live_track_process_use): Make var come alive.
115 (live_track_process_def): Make var go dead, add conflicts.
116 (live_track_init): Initialize to a live on exit set.
117 (live_track_clear_base_vars): Clear live partitions.
118 (build_ssa_conflict_graph): Build a conflict graph.
119 (print_exprs): Common debug output routine.
120 (abnormal_corrupt): Output info about a failed coalesce across an
122 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
123 (create_outofssa_var_map): Create a var map and coalesce list.
124 (attempt_coalesce): Coalesce a pair.
125 (coalesce_partitions): Coalesce all pairs in a coalesce list.
126 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
127 * tree-ssa-live.c: Remove header files which aren't needed.
128 (var_map_base_init): New. Initialize a basevar list.
129 (var_map_base_fini): New. Finish a basevar list.
130 (init_var_map): Initialize new fields.
131 (delete_var_map): Free new fields.
132 (var_union): Use renamed fields.
133 (compact_var_map): Remove.
134 (partition_to_view_init): Use renamed fields, change order of an if.
135 (partition_view_fini): Use renamed fields.
136 (partition_view_normal): Create basevar list if requested.
137 (partition_view_bitmap): Create a view based on a bitmap of partitions.
138 (change_partition_var): Use renamed fields.
139 (create_ssa_var_map): Remove.
140 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
141 root_var_init): Remove.
142 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
143 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
144 compare_pairs, num_coalesce_pairs, first_partition_pair,
145 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
146 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
147 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
148 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
149 (dump_var_map): Use renamed fields.
150 * tree-ssa-live.h (struct _var_map): Modify fields.
151 (partition_to_var, version_to_var, var_to_partition): Use renamed
153 (basevar_index): New. Index of the base variable of a partition.
154 (num_basevars): New. Number of unique base variables in partition map.
155 (register_ssa_partition): Use renamed fields.
156 (struct tree_partition_associator_d): Remove.
157 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
158 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
159 root_var, root_var_first_partition, root_var_next_partition,
160 root_var_dump, root_var_delete, root_var_remove_partition,
161 root_var_find, root_var_compact, root_var_decompact): Remove.
162 (struct partition_pair, struct coalesce_list_d): Moved to
164 * tree-ssa-ter.c: Remove header files which aren't needed.
166 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
168 * cse.c: (struct cse_basic_block_data): Remove LAST field.
169 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
171 (cse_visited_basic_blocks): New static bitmap.
172 (cse_end_of_basic_block, cse_basic_block): Remove.
173 (cse_find_path, cse_dump_path, cse_prescan_path,
174 cse_extended_basic_block): New static functions.
175 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
176 basic block boundaries. Don't record jump equivalences here.
177 Update the CFG after doing in-place replacement of the SET_SRC.
178 (cse_main): Rewrite. Look for extended basic block headers
179 and call cse_extended_basic_block on them until all paths that
180 start at this header are exhausted.
181 (rest_of_handle_cse): Verify that the CFG is incrementally updated
182 and correct after cse_main.
183 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
184 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
185 (pass_cse): Add TODO_verify_flow.
186 (pass_cse2): Likewise.
188 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
190 * reload1.c (choose_reload_regs): Don't set byte offset when
191 resolving subregs of hard regs.
193 2006-12-09 Zack Weinberg <zackw@panix.com>
195 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
196 suitable for the language, if set_yydebug is true.
197 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
198 YYDEBUG or declare yydebug.
199 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
201 2006-12-09 Jan Hubicka <jh@suse.cz>
203 * cgraph.c: Update copyright.
205 (cgraph_update_pending_function): Remove prototype.
206 * cgraphunit.c: Update copyright; update overall comment.
207 (cgraph_assemble_pending_functions): Make local.
209 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
211 * haifa-sched.c (schedule_block): Remove excessive sanity check.
213 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
215 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
217 (cpat_const_p, gen_cpat_const): Add.
218 * config/spu/spu.c (immediate_class): New enum.
219 (cpat_info, classify_immediate): New.
220 (print_operand): Use S, D, T instead of F, G, H. Use
221 classify_immediate. Handle cpat cases.
222 (spu_split_immediate): Renamed from spu_split_address. Split all
223 immediates that can be split.
224 (immediate_load_p): Use classify_immediate.
225 (spu_legitimate_constant_p): Accept everything except some cases of
227 (spu_expand_move): Use spu_split_immedate.
228 (fsmbi_const_p): Use classify_immediate.
230 (gen_cpat_const: New.
231 * config/spu/constraints.md (j,k,l): New constraints for cpat
233 * config/spu/spu.md (unnamed splitter): Change address splitter to
234 handle all immediates.
235 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
237 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
240 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
243 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
244 patterns. Correct length of high:DI instruction sequence.
246 2006-12-08 Mike Stump <mrs@apple.com>
248 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
249 libgcc with -mmacosx-version-min=10.4.
250 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
251 G4 for 10.5+ unless doing kernel builds.
253 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
256 * reg-stack.c (convert_regs_entry): Mark current argument passing
259 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
260 of float arguments in x87 registers.
262 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
264 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
266 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
268 * recog.c (mode_dependent_address_p): Identify pre-increment,
269 pre-decrement, post-increment and post-decrement addressing as always
270 being mode-dependent.
271 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
272 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
273 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
274 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
275 PRE_INC and POST_INC checks.
276 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
277 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
278 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
279 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
280 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
281 PRE_INC, POST_DEC and POST_INC cases.
282 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
283 Delete POST_INC and PRE_DEC cases.
284 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
286 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
287 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
289 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
290 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
291 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
292 PRE_INC and PRE_DEC cases.
293 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
294 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
295 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
296 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
297 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
298 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
299 auto-increment cases.
300 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
301 auto-increment cases.
302 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
304 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
306 * Makefile.in: Add new file tree-ssa-ter.c.
307 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
308 free_temp_expr_table, add_value_to_version_list,
309 add_value_to_partition_list, remove_value_from_partition_list,
310 add_dependence, check_replaceable, finish_expr, mark_replaceable,
311 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
312 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
313 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
315 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
316 (struct value_expr_d): Remove.
317 (struct temp_expr_table_d): Rename fields, add explicit vector of
318 replaceable expressions instead of sharing. Change value_expr_p's to
319 bitmap. Delete free_list.
320 (new_temp_expr_table): Rename fields, count number of ssa_names in
322 (free_temp_expr_table): Rename field, free new fields.
323 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
324 add_info_to_list, remove_value_from_list): Delete.
325 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
326 (make_dependent_on_partition): New. Set bit in version list, allocating
328 (add_to_partition_kill_list): New. Set bit in the partition list,
329 allocating a bitmap if need be.
330 (remove_from_partition_kill_list): New. Remove a bit from the
331 partition list, free the bitmap if it is empty.
332 (add_dependence): Use renamed field, cleanup. Don't add a dependence
333 on partitions with only one member.
334 (is_replaceable_p): New. Split out replaceability check from
336 (process_replaceable): New. Code split from check_replaceable.
337 (check_replaceable): Removed.
338 (finished_with_expr): Renamed from finish_expr.
339 (kill_expr): Use renamed fields and less parameters.
340 (kill_virtual_exprs): Less parameters.
341 (mark_replaceable): Use renamed fields.
342 (find_replaceable_in_bb): Use renamed fields, cleanup.
343 (find_replaceable_exprs): Use renamed routines, cleanup.
344 (dump_replaceable_exprs): Don't go past end of ssa_names list.
345 (debug_ter): New. Debug routine to dump state.
347 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
349 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
350 anything involving the GOT.
351 (bfin_adjust_cost): Don't take the REGNO of a MEM.
352 (trapping_loads_p): Look inside the pattern of an insn to find the
354 * config/bfin/bfin.md (attr "type"): Add movcc.
355 (insn_reservation "alu"): Likewise.
356 (movsicc_insn1, movsicc_insn2): Change type to movcc.
358 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
360 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
361 (spu_resolve_overloaded_builtin): Check for non scalar instead
362 of vector type and check the function call argument type also for
364 Call build_function_call instead of spu_build_overload_builtin.
366 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
368 * config/spu/spu.c (array_to_constant): Correct the order of arguments
369 to the calls of hwint_to_const_double.
371 2006-12-07 Nick Clifton <nickc@redhat.com>
373 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
374 elf_record_gcc_switches.
376 2006-12-07 Andrew Macleod <amacleod@redhat.com>
378 * expr.c (string_constant): Account for non-zero lower bound arrays.
380 2006-12-07 Richard Guenther <rguenther@suse.de>
382 * builtins.c (expand_builtin_pow): Adjust predicates for
383 pow to cbrt expansion to unsafe math and !HONOR_NANS for
386 2006-12-07 Jan Hubicka <jh@suse.cz>
388 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
391 2006-12-07 Jan Hubicka <jh@suse.cz>
393 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
394 use fold_constant_to_binary; tolerate wrong type constants.
395 (value_intersect_p): Do just two tests.
397 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
399 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
400 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
401 lshifthi3): Use it, and fix the order of alternatives.
403 2006-12-07 Nick Clifton <nickc@redhat.com>
405 * common.opt (record-gcc-switches): New command line switch.
406 * target.h (print_switch_type): New enum.
407 (print_switch_fn_type): New typedef for a function pointer.
408 (struct gcc_target): Add record_gcc_switches and
409 record_gcc_switches_section fields.
410 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
412 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
414 * toplev.c (print_single_switch): Simplify by providing a
415 pointer to function that will format and output the switch
417 (print_switch_values): Likewise.
418 (print_to_asm_out_file): New function.
419 (print_to_stderr): New function.
420 (init_asm_output): If flag_record_gcc_switches is set then if
421 the target supports recording the switches then emit them into
422 the assembler output file, otherwise tell the user that the
423 switch is not supported.
424 * varasm.c (eld_record_gcc_switches): New function. Example
425 handler for the record_gcc_switches target hook.
426 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
428 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
429 * doc/invoke.texi (-frecord-gcc-switches): Document.
431 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
434 * sched-rgn.c (add_block1): Use correct initializer.
436 2006-12-07 Richard Guenther <rguenther@suse.de>
438 * tree-vect-transform.c (vectorizable_call): Fix leftover of
439 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
441 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
444 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
445 not GIMPLE_MODIFY_STMT.
447 2006-12-06 Jan Hubicka <jh@suse.cz>
449 * tree-vrp.c (operand_less_p): New.
450 (compare_values, value_inside_range): Rewrite in terms of
453 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
455 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
457 (length_immediate): Do not depend on cld type attribute.
458 (length_address): Ditto.
461 (cld): Remove insn pattern.
462 (strmov_singleop): Do not use DIRFLAG_REG.
463 (*strmovdi_rex_1): Ditto.
464 (*strmovsi_1): Ditto.
465 (*strmovsi_rex_1): Ditto.
466 (*strmovhi_1): Ditto.
467 (*strmovhi_rex_1): Ditto.
468 (*strmovqi_1): Ditto.
469 (*strmovqi_rex_1): Ditto.
471 (*rep_movdi_rex64): Ditto.
473 (*rep_movsi_rex64): Ditto.
475 (*rep_movqi_rex64): Ditto.
476 (strset_singleop): Ditto.
477 (*strsetdi_rex_1): Ditto.
478 (*strsetsi_1): Ditto.
479 (*strsetsi_rex_1): Ditto.
480 (*strsethi_1): Ditto.
481 (*strsethi_rex_1): Ditto.
482 (*strsetqi_1): Ditto.
483 (*strsetqi_rex_1): Ditto.
485 (*rep_stosdi_rex64): Ditto.
486 (*rep_stossi): Ditto.
487 (*rep_stossi_rex64): Ditto.
488 (*rep_stosqi): Ditto.
489 (*rep_stosqi_rex64): Ditto.
490 (cmpstrnsi): Do not generate cld insn.
491 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
492 (*cmpstrnqi_nz_1): Ditto.
493 (*cmpstrnqi_nz_rex_1): Ditto.
494 (cmpstrnqi_1): Ditto.
495 (*cmpstrnqi_1): Ditto.
496 (*cmpstrnqi_rex_1): Ditto.
498 (*strlenqi_1): Ditto.
499 (*strlenqi_rex_1): Ditto.
501 * config/i386/geode.md (shift): Do not depend on cld type attribute.
502 * config/i386/pentium.md (pent_cld): Remove insn reservation.
503 * config/i386/athlon.md (athlon_decode): Do not depend on cld
505 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
506 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
508 (k6_alux_only_load): Ditto.
509 (k6_alux_only_store): Ditto.
511 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
512 Do not emit cld instruction.
513 (ix86_expand_setmem): Ditto.
514 (ix86_expand_strlen): Do not emit cld instruction.
516 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
518 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
521 2006-12-06 Diego Novillo <dnovillo@redhat.com>
523 * gdbinit.in: Set complaints to 0.
525 2006-12-06 Jan Hubicka <jh@suse.cz>
527 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
528 ALONE_MEM_STAT_DECL): New macros.
529 * bitmap.h: Include statistics.h
530 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
531 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
532 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
533 * bitmap.c: Include hashtab.h
534 (bitmap_descriptor): New.
535 (bitmap_hash): New static variable
536 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
537 New static functions.
538 (bitmap_register): New.
539 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
540 bitmap_obstack_release): Do accounting.
541 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
543 (bitmap_gc_alloc_stat): Likewise.
544 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
545 (print_statistics, dump_bitmap_statistics): New functions.
546 * toplev.c (finalize): Dump bitmap statistics.
548 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
550 * reload1.c (delete_output_reload): Count occurrences in
551 CALL_INSN_FUNCTION_USAGE.
552 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
553 crashing at the end of the list.
555 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
557 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
558 Optimize to avoid marking more SMT's as used when they aren't.
560 2006-12-05 Eric Christopher <echristo@apple.com>
562 * config/i386/i386.c (x86_output_aligned_bss): Move out
563 of COMMON_ASM_OP ifdef.
565 2006-12-05 Eric Christopher <echristo@apple.com>
567 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
568 (STARTFILE_SPEC): Use.
569 (DARWIN_DYLIB1_SPEC): New.
570 (DARWIN_CRT1_SPEC): New.
571 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
573 * config/i386/darwin.h: Ditto.
574 * config/rs6000/darwin.h: Ditto.
576 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
578 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
579 * tree-complex.c (pass_lower_complex): Ditto.
580 * tree-ssa-ccp.c (pass_ccp): Ditto.
581 (pass_store_ccp): Ditto.
582 * tree-ssa-dom.c (pass_dominator): Ditto.
583 (pass_phi_only_cprop): Ditto.
584 * tree-sra.c (pass_sra): Ditto.
585 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
586 * tree-flow.h (updating_used_alone): Remove.
587 (updating_used_alone): Ditto.
588 * tree-ssa-alias.c (updating_used_alone): Remove variable.
589 (lhs_may_store_to): Remove function.
590 (recalculate_used_alone): Ditto.
591 (compute_may_aliases): Remove used_alone calculation.
592 * tree.h (struct tree_memory_tag): Remove is_used_alone and
593 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
594 * tree-pass.h (PROP_smt_usage): Remove.
595 * passes.c (execute_todo): Remove used alone recalculation.
596 (execute_one_pass): Ditto.
597 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
600 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
602 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
604 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
606 PR tree-optimization/14784
607 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
609 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
611 Merge from gimple-tuples-branch.
613 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
615 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
617 (s390_gimplify_va_arg): Same.
618 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
619 * config/sh/sh.c (sh_va_start): Same.
620 (sh_gimplify_va_arg_expr): Same.
621 * config/xtensa/xtensa.c (xtensa_va_start): Same.
622 (xtensa_gimplify_va_arg_expr): Same.
623 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
624 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
625 * config/mips/mips.c (mips_va_start): Same.
626 (mips_gimplify_va_arg_expr): Same.
628 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
630 * Merge from mainline at revision 119445.
632 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
634 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
636 (spu_gimplify_va_arg_expr): Same.
638 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
640 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
641 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
642 (xstormy16_expand_builtin_va_arg): Same.
644 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
646 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
647 to GIMPLE_MODIFY_STMT.
649 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
651 * config/alpha/alpha.c (va_list_skip_additions): Change all
652 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
653 (alpha_va_start): Same.
654 (alpha_gimplify_va_arg_1): Same.
655 (alpha_gimplify_va_arg): Same.
657 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
659 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
661 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
663 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
664 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
666 * tree-complex.c: Same.
667 * tree-pretty-print.c: Same.
671 * fold-const.c: Same.
672 * tree-ssa-dom.c: Same.
673 * tree-ssa-propagate.c: Same.
674 * tree-ssa-alias.c: Same.
675 * gimple-low.c: Same.
677 * c-pretty-print.c: Same.
679 * tree-inline.c: Same.
680 * tree-outof-ssa.c: Same.
681 * tree-ssa-structalias.c: Same.
682 * tree-ssa-reassoc.c: Same.
685 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
687 * tree.c (build2_stat): Fix comment.
689 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
691 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
692 TREE_OPERAND when appropriate.
694 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
696 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
697 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
698 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
699 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
700 not handle GIMPLE_MODIFY_STMT in the switch statement.
701 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
702 (java_gimplify_new_array_init): Same.
704 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
706 * gimplify.c (gimplify_omp_for): Allow gimple statements.
707 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
708 * fold-const.c (fold_binary): Allow gimple statements.
710 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
711 Rename from gfc_conv_descriptor_data_set.
712 Call gfc_add_modify instead of gfc_add_modify_expr.
713 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
714 Rename from gfc_conv_descriptor_data_set.
715 (gfc_conv_descriptor_data_set): New macro.
716 (gfc_conv_descriptor_data_set_tuples): New macros.
717 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
718 gfc_conv_descriptor_data_set_tuples.
719 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
720 Generate GIMPLE_MODIFY_STMT when appropriate.
721 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
722 (gfc_add_modify_expr): New macro.
723 (gfc_add_modify_stmt): New macro.
724 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
726 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
728 * Merge from mainline at revision 118200.
730 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
732 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
735 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
737 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
739 Also, add __extension__ to GCC versions.
740 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
741 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
744 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
746 * tree-complex.c (expand_complex_libcall): Adjust for
748 (expand_complex_comparison): Same.
749 * tree-pretty-print.c (dump_generic_node): Is_expr should include
750 GIMPLE_STMT_P statements.
751 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
753 (tree_mod_pow2_value_transform): Same.
754 (tree_mod_subtract_transform): Same.
755 * tree.c (build2_stat): Check for gimplified function in cfun.
756 * tree.h (DECL_GIMPLIFIED): Delete.
757 (struct tree_function_decl): Remove gimplified_flag.
758 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
759 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
760 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
761 (cxx_omp_clause_copy_ctor): Same.
762 (cxx_omp_clause_assign_op): Same.
763 * c-pretty-print.c (pp_c_conditional_expression): Same.
764 (pp_c_expression): Same.
765 * langhooks.c (lhd_omp_predetermined_sharing): Same.
766 * function.h (struct function): Add gimplified field.
767 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
769 (find_phi_replacement_condition): Same.
770 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
771 (gimplify_modify_expr_to_memset): Same.
772 (gimplify_init_ctor_eval_range): Same.
773 (gimplify_modify_expr_complex_part): Same.
774 (tree_to_gimple_tuple): Same.
775 (gimplify_modify_expr): Same.
776 (gimple_push_cleanup): Same.
777 (gimplify_omp_for): Same.
778 (gimplify_omp_atomic_pipeline): Same.
779 (gimplify_omp_atomic_mutex): Same.
780 (gimplify_expr): Same.
781 (gimplify_one_sizepos): Same.
782 (gimplify_function_tree): Same.
783 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
784 (vect_recog_widen_sum_pattern): Same.
785 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
786 (vect_create_epilog_for_reduction): Same.
787 (vectorizable_reduction): Same.
789 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
791 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
792 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
793 (ifc_temp_var): Same.
794 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
795 for gimple statements.
796 (vect_analyze_operations): Same.
797 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
798 * gimplify.c (gimplify_return_expr): Handle gimple statements.
799 * lambda-code.c (can_put_in_inner_loop): Same.
800 (can_put_after_inner_loop): Same.
801 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
802 (vect_create_data_ref_ptr): Same.
803 (vect_init_vector): Same.
804 (vect_get_vec_def_for_operand): Same.
805 (vect_create_epilog_for_reduction): Same.
806 (vectorizable_reduction): Same.
807 (vectorizable_assignment): Same.
808 (vectorizable_operation): Same.
809 (vectorizable_load): Same.
810 (vectorizable_condition): Same.
811 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
812 (rs6000_gimplify_va_arg): Same.
814 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
816 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
818 (simplify_abs_using_ranges): Same.
819 * tree-complex.c (expand_complex_operations_1): Use
820 PROTECTED_TREE_OPERAND.
821 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
823 (get_val_for): Use GIMPLE_STMT_OPERAND.
824 * tree-tailcall.c (adjust_accumulator_values): Same.
825 (adjust_return_value): Same.
826 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
827 case. Remove special case for tcc_gimple_stmt.
828 * tree.h (CAN_HAVE_LOCATION_P): New.
829 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
831 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
832 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
833 * tree-nrv.c (execute_return_slot_opt): Same.
834 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
835 * tree-vn.c (set_value_handle): Same.
836 (get_value_handle): Same.
837 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
838 * tree-vectorizer.c (find_loop_location): Same.
839 * c-typeck.c (c_process_expr_stmt): Same.
840 (c_finish_stmt_expr): Same.
841 * gimplify.c (should_carry_locus_p): Same.
842 (tree_to_gimple_tuple): Delete definition and use of unecessary
843 variable save_tree_block.
844 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
845 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
846 (realify_fake_stores): Same.
847 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
849 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
850 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
851 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
852 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
853 (c_parser_statement_after_labels): Same.
854 (c_parser_paren_condition): Same.
855 (c_parser_for_statement): Same.
856 (c_parser_omp_for_loop): Same.
857 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
858 (linearize_expr_tree): Same.
859 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
860 * function.c (instantiate_expr): Same.
862 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
864 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
865 (set_expr_location): Same.
867 (set_expr_locus): Same.
868 (expr_filename): Same.
870 (tree_block): Use GIMPLE_STMT_BLOCK.
871 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
872 * tree.h (struct gimple_stmt): Remove prev and next.
873 (GIMPLE_STMT_OPERAND_CHECK): New.
874 (TREE_TO_GIMPLE_STMT): Delete.
875 (GIMPLE_STMT_TO_TREE): Delete.
876 (GIMPLE_STMT_OPERAND): Use union, not cast.
877 (GIMPLE_STMT_LOCUS): New.
878 (GIMPLE_STMT_BLOCK): New.
879 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
881 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
883 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
885 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
887 * tree-tailcall.c (adjust_return_value): Same.
888 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
889 (copy_node_stat): Change common.base to base.
890 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
891 Remove GIMPLE_STATEMENT_LIST case.
892 * tree.h (struct gimple_stmt): Make operands of type tree.
893 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
894 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
895 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
896 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
897 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
898 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
899 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
900 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
901 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
902 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
903 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
904 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
905 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
906 Change common.base to base.
907 (GIMPLE_STATEMENT_LIST*): Remove.
908 (union tree_node): Add base. Remove gimple_statement_list.
909 Remove pointer from gstmt.
910 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
911 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
912 * tree-vn.c (vn_compute): Change common.base to base.
913 * tree-eh.c (verify_eh_throw_stmt_node): Same.
914 * tree-flow-inline.h (var_ann): Same.
915 (function_ann): Same.
917 (mark_non_addressable): Same.
918 * gimplify.c (tree_to_gimple_tuple): Same.
919 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
920 * tree-dfa.c (create_var_ann): Change common.base to base.
921 (create_function_ann): Same.
922 (create_stmt_ann): Same.
923 (create_tree_ann): Same.
924 (collect_dfa_stats_r): Same.
925 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
926 * tree-ssa-dce.c (NECESSARY): Same.
927 * tree-ssa.c (delete_tree_ssa): Same.
928 * tree-optimize.c (execute_free_cfg_annotations): Same.
931 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
933 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
934 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
936 * tree.h (struct gimple_stmt): Add prev and next fields.
937 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
938 (GIMPLE_STATEMENT_LIST_HEAD): New.
939 (GIMPLE_STATEMENT_LIST_TAIL): New.
940 (struct gimple_statement_list): New.
941 (union tree_node): Add gimple_stmt_list and gstmt.
942 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
943 * tree.def: Add GIMPLE_STATEMENT_LIST.
945 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
947 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
948 * tree-vrp.c (build_assert_expr_for): Change uses of
949 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
950 (find_assert_locations): Same.
951 (remove_range_assertions): Same.
952 (stmt_interesting_for_vrp): Same.
953 (vrp_visit_assignment): Same.
954 (vrp_visit_stmt): Same.
955 (simplify_cond_using_ranges): Same.
956 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
958 * tree-ssa-loop-im.c (movement_possibility): Change uses of
959 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
961 (determine_invariantness_stmt): Same.
963 (gather_mem_refs_stmt): Same.
964 * tree-complex.c (init_dont_simulate_again): Same.
965 (complex_visit_stmt): Same.
966 (set_component_ssa_name): Same.
967 (expand_complex_move): Same.
968 (expand_complex_div_wide): Same.
969 (expand_complex_comparison): Same.
970 (expand_complex_operations_1): Same.
971 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
972 (chain_of_csts_start): Same.
973 (infer_loop_bounds_from_undefined): Same.
974 * tree-pretty-print.c (dump_generic_node): Same.
977 * tree-ssa-loop-manip.c (create_iv): Same.
978 * value-prof.c (tree_divmod_fixed_value): Same.
979 (tree_divmod_fixed_value_transform): Same.
980 (tree_mod_pow2): Same.
981 (tree_mod_pow2_value_transform): Same.
982 (tree_mod_subtract): Same.
983 (tree_mod_subtract_transform): Same.
984 (tree_divmod_values_to_profile): Same.
985 * tree-tailcall.c (process_assignment): Same.
986 (find_tail_calls): Same.
987 (adjust_accumulator_values): Same.
988 (adjust_return_value): Same.
989 (eliminate_tail_call): Same.
990 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
991 (make_node_stat): Same.
992 (copy_node_stat): Handle gimple tuples.
993 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
994 (tree_node_structure): Handle tcc_gimple_stmt.
995 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
997 (build2_gimple_stat): New.
998 (expr_location): New.
999 (set_expr_location): New.
1000 (expr_has_location): New.
1002 (set_expr_locus): New.
1003 (expr_filename): New.
1005 (walk_tree): Handle tcc_gimple_stmt.
1007 (protected_tree_operand): New.
1008 (protected_tree_type): New.
1009 (tree_code_kind): Add gimple statements.
1010 * tree.h (tree_code_class): Add tcc_gimple_stmt.
1011 (IS_GIMPLE_STMT_CODE_CLASS): New.
1012 (struct tree_base): New.
1013 (struct tree_common): Shrink.
1014 (struct gimple_stmt): New.
1015 (struct gimple_expr): New.
1016 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1017 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1018 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1019 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1020 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
1021 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1022 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1023 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
1024 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
1025 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
1026 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
1027 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1028 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
1029 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
1030 Adjust for new `common' layout.
1031 (struct tree_function_decl): Add gimplified_flag.
1032 (DECL_GIMPLIFIED): NEW.
1033 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
1034 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
1035 EXPR_HAS_LOCATION): Call corresponding function.
1036 (GIMPLE_STMT_CHECK): New.
1037 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
1038 (TREE_BLOCK): Call tree_block.
1039 (GIMPLE_STMT_P): New.
1040 (GIMPLE_TUPLE_P): New.
1041 (TREE_TO_GIMPLE_STMT): New.
1042 (GIMPLE_STMT_TO_TREE): New.
1043 (GIMPLE_STMT_OPERAND): New.
1044 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
1045 (PROTECTED_TREE_OPERAND): New.
1046 (PROTECTED_TREE_TYPE): New.
1047 (build2_gimple_stat): Protoize.
1048 (build2_gimple): New.
1049 (expr_location): Protoize.
1050 (set_expr_location): Protoize.
1051 (expr_has_location): Protoize.
1052 (expr_locus): Protoize.
1053 (set_expr_locus): Protoize.
1054 (expr_filename): Protoize.
1055 (expr_lineno): Protoize.
1056 (tree_block): Protoize.
1057 (protected_tree_operand): Protoize.
1058 (protected_tree_type): Protoize.
1059 (enum tree_node_kind): Add gimple_stmt_kind.
1060 * c-decl.c (union lang_tree_node): Tuples do not have a
1062 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
1063 GIMPLE_MODIFY_STMT and adjust accordingly.
1064 * tree-scalar-evolution.c (follow_ssa_edge): Same.
1065 (interpret_condition_phi): Same.
1066 (pointer_used_p): Same.
1067 (analyze_scalar_evolution_1): Same.
1068 (scev_const_prop): Same.
1069 (interpret_rhs_modify_stmt): Rename from
1070 interpret_rhs_modify_expr.
1071 * builtins.c (std_expand_builtin_va_start): Change uses of
1072 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1073 (std_gimplify_va_arg_expr): Same.
1074 (expand_builtin_va_copy): Same.
1075 (integer_valued_real_p): Same.
1076 * fold-const.c (maybe_lvalue_p): Same.
1078 (tree_expr_nonnegative_p): Same.
1079 (tree_expr_nonzero_p): Same.
1080 * omp-low.c (extract_omp_for_data): Same.
1081 (lower_rec_input_clauses): Same.
1082 (lower_reduction_clauses): Same.
1083 (lower_copyprivate_clauses): Same.
1084 (lower_send_clauses): Same.
1085 (lower_send_shared_vars): Same.
1086 (expand_parallel_call): Same.
1087 (expand_omp_parallel): Same.
1088 (expand_omp_for_generic): Same.
1089 (expand_omp_for_static_nochunk): Same.
1090 (expand_omp_for_static_chunk): Same.
1091 (expand_omp_sections): Same.
1092 (lower_omp_single_copy): Same.
1093 (lower_omp_parallel): Same.
1094 * tree-ssa-dse.c (memory_address_same): Same.
1095 (dse_optimize_stmt): Same.
1096 * ipa-reference.c (scan_for_static_refs): Same.
1097 * tree-gimple.c (is_gimple_reg_rhs): Same.
1098 (get_call_expr_in): Same.
1099 (recalculate_side_effects): Same.
1100 * cgraphunit.c (cgraph_create_edges): Same.
1101 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
1102 * tree-ssa-ccp.c (get_default_value): Same.
1103 (likely_value): Same.
1104 (visit_assignment): Same.
1105 (ccp_visit_stmt): Same.
1106 (get_maxval_strlen): Same.
1107 (ccp_fold_builtin): Same.
1108 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
1109 (find_givs_in_stmt): Same.
1110 (find_interesting_uses_op): Same.
1111 (find_interesting_uses_stmt): Same.
1112 (rewrite_use_nonlinear_expr): Same.
1113 * ipa-pure-const.c (scan_function): Same.
1114 * tree-stdarg.c (va_list_counter_bump): Same.
1115 (check_all_va_list_escapes): Same.
1116 (execute_optimize_stdarg): Same.
1117 * tree-ssa-math-opts.c (compute_merit): Same.
1118 (insert_reciprocals): Same.
1119 (execute_cse_reciprocals): Same.
1120 * tree-ssa-dom.c (initialize_hash_element): Same.
1121 (simple_iv_increment_p): Same.
1122 (record_equivalences_from_stmt): Same.
1123 (optimize_stmt): Same.
1124 (remove_stmt_or_phi): Same.
1125 (get_rhs_or_phi_arg): Same.
1126 (get_lhs_or_phi_result): Same.
1127 (propagate_rhs_into_lhs): Same.
1128 * tree-nrv.c (tree_nrv): Same.
1129 (execute_return_slot_opt): Same.
1130 * tree-ssa-propagate.c (get_rhs): Same.
1132 (stmt_makes_single_load): Same.
1133 (stmt_makes_single_store): Same.
1134 (replace_vuses_in): Same.
1135 (fold_predicate_in): Same.
1136 (substitute_and_fold): Same.
1137 * tree-ssa-alias.c (compute_call_clobbered): Same.
1138 (recalculate_used_alone): Same.
1139 (count_uses_and_derefs): Same.
1140 (is_escape_site): Same.
1141 (find_used_portions): Same.
1142 * gimple-low.c (lower_stmt): Same.
1143 (block_may_fallthru): Same.
1144 (lower_return_expr): Same.
1145 * tree-ssa-sink.c (is_hidden_global_store): Same.
1146 (statement_sink_location): Same.
1147 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
1148 * expr.c (safe_from_p): Same.
1149 (expand_expr_real): Same.
1150 (expand_expr_real_1): Same.
1151 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
1152 * predict.c (expr_expected_value): Same.
1153 (strip_builtin_expect): Same.
1154 (apply_return_prediction): Same.
1155 (tree_bb_level_predictions): Same.
1156 (tree_estimate_probability): Same.
1157 * tree-vn.c (vn_compute): Same.
1158 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
1159 (remove_stmt_from_eh_region_fn): Same.
1160 (do_return_redirection): Same.
1161 (honor_protect_cleanup_actions): Same.
1162 (lower_try_finally_switch): Same.
1163 (lower_eh_constructs_1): Same.
1164 (tree_could_throw_p): Same.
1165 (verify_eh_throw_stmt_node): Same.
1166 * function.c (gimplify_parameters): Same.
1167 * tree-vectorizer.c (vect_is_simple_use): Same.
1168 (vect_is_simple_reduction): Same.
1169 * ipa-type-escape.c (scan_for_refs): Same.
1170 * tree-if-conv.c (tree_if_conversion): Same.
1171 (tree_if_convert_stmt): Same.
1172 (if_convertible_gimplify_modify_stmt_p): Rename from
1173 if_convertible_modify_expr_p.
1174 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
1175 (ifc_temp_var): Same.
1176 (replace_phi_with_cond_modify_stmt): Rename from
1177 replace_phi_with_cond_modify_expr.
1178 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
1179 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
1180 * tree-data-ref.c (find_data_references_in_loop): Adjust for
1182 * tree-flow-inline.h (var_ann): Same.
1183 (function_ann): Same.
1185 (mark_non_addressable): Same.
1186 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
1187 * gimplify.c (tree_to_gimple_tuple): New.
1188 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
1189 (gimplify_return_expr): Same.
1190 (gimplify_decl_expr): Same.
1191 (gimplify_self_mod_expr): Same.
1192 (gimplify_cond_expr): Same.
1193 (gimplify_init_constructor): Same.
1194 (gimplify_modify_expr): Same.
1195 (gimplify_expr): Same.
1196 (gimplify_function_tree): Same.
1197 (force_gimple_operand): Same.
1198 * tree-ssa-phiopt.c (conditional_replacement): Same.
1199 (minmax_replacement): Same.
1200 (abs_replacement): Same.
1201 * tree-dfa.c (create_var_ann): Same.
1202 (create_function_ann): Same.
1203 (create_stmt_ann): Same.
1204 (create_tree_ann): Same.
1205 (collect_dfa_stats_r): Same.
1206 * tree-ssa-pre.c (find_or_generate_expression): Same.
1207 (create_expression_by_pieces): Same.
1208 (try_look_through_load): Same.
1209 (insert_fake_stores): Same.
1210 (realify_fake_stores): Same.
1211 (compute_avail): Same.
1214 (poolify_modify_stmt): Rename from poolify_modify_stmt.
1215 Adjust for GIMPLE_MODIFY_STMT.
1216 (NECESSARY): Adjust for new `common' layout.
1217 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
1219 * tree-sra.c (sra_walk_modify_stmt): Rename from
1220 sra_walk_modify_expr.
1221 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
1222 (generate_copy_inout): Same.
1223 (generate_element_copy): Same.
1224 (generate_element_zero): Same.
1225 (scalarize_copy): Same.
1226 * tree-mudflap.c (mf_decl_cache_locals): Same.
1227 (mf_build_check_statement_for): Same.
1228 (mf_xform_derefs): Same.
1229 * ipa-prop.c (ipa_method_modify_stmt): Same.
1230 * print-tree.c (print_node): Handle gimple tuples.
1231 Add case for tcc_gimple_stmt.
1232 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
1234 (copy_prop_visit_assignment): Same.
1235 (copy_prop_visit_stmt): Same.
1236 (init_copy_prop): Same.
1237 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
1238 (forward_propagate_into_cond_1): Same.
1239 (find_equivalent_equality_comparison): Same.
1240 (tidy_after_forward_propagate_addr): Same.
1241 (forward_propagate_addr_expr_1): Same.
1242 (simplify_not_neg_expr): Same.
1243 (simplify_switch_expr): Same.
1244 * tree-ssa-dce.c (find_pdom): Same.
1245 (mark_stmt_if_obviously_necessary): Same.
1246 (NECESSARY): Adjust for new `common' layout.
1247 * tree-flow.h: Same.
1248 * tree-vect-patterns.c (widened_name_p): Adjust for
1250 (vect_recog_dot_prod_pattern): Same.
1251 (vect_recog_widen_sum_pattern): Same.
1252 (vect_pattern_recog_1): Same.
1253 * tree-nested.c (init_tmp_var): Same.
1254 (save_tmp_var): Same.
1256 (convert_call_expr): Same.
1257 (finalize_nesting_tree_1): Same.
1258 * tree-ssa.c (verify_ssa): Same.
1259 (delete_tree_ssa): Same.
1260 * lambda-code.c (lbv_to_gcc_expression): Same.
1261 (lle_to_gcc_expression): Same.
1262 (lambda_loopnest_to_gcc_loopnest): Same.
1263 (can_put_in_inner_loop): Same.
1264 (can_convert_to_perfect_nest): Same.
1265 (perfect_nestify): Same.
1266 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
1267 * tree-inline.c (copy_body_r): Same.
1268 (setup_one_parameter): Same.
1269 (initialize_inlined_parameters): Same.
1270 (estimate_num_insns_1): Same.
1271 (expand_call_inline): Same.
1272 (gimple_expand_calls_inline): Same.
1273 (copy_tree_r): Same.
1274 * tree-optimize.c (execute_free_cfg_annotations): Same.
1275 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1276 (vect_align_data_ref): Same.
1277 (vect_create_data_ref_ptr): Same.
1278 (vect_init_vector): Same.
1279 (vect_create_epilog_for_reduction): Same.
1280 (vectorizable_reduction): Same.
1281 (vectorizable_assignment): Same.
1282 (vectorizable_operation): Same.
1283 (vectorizable_store): Same.
1284 (vectorizable_load): Same.
1285 (vectorizable_live_operation): Same.
1286 (vectorizable_condition): Same.
1287 (vect_generate_tmps_on_preheader): Same.
1288 (vect_create_cond_for_align_checks): Same.
1289 * tree-object-size.c (collect_object_sizes_for): Same.
1290 (check_for_plus_in_loops_1): Same.
1291 (check_for_plus_in_loops): Same.
1292 * tree-outof-ssa.c (insert_copy_on_edge): Same.
1293 (replace_use_variable): Same.
1294 (check_replaceable): Same.
1295 (rewrite_trees): Same.
1296 (identical_copies_p): Same.
1297 (insert_backedge_copies): Same.
1298 * tree-profile.c (tree_gen_edge_profiler): Same.
1299 * tree-vect-generic.c (expand_vector_operations_1): Same.
1300 * tree-ssa-structalias.c (update_alias_info): Same.
1301 (find_func_aliases): Same.
1302 * tree-cfg.c (factor_computed_gotos): Same.
1304 (make_goto_expr_edges): Same.
1305 (tree_merge_blocks): Same.
1306 (remove_useless_stmts_cond): Same.
1307 (remove_useless_stmts_1): Same.
1308 (tree_find_edge_insert_loc): Same.
1309 (verify_expr): Same.
1310 (gimplify_val): Same.
1311 (verify_gimple_tuples_1): New.
1312 (verify_gimple_tuples): New.
1313 (verify_stmts): Call verify_gimple_tuples.
1314 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
1315 (get_unary_op): Same.
1316 (linearize_expr): Same.
1317 (get_single_immediate_use): Same.
1318 (negate_value): Same.
1319 (should_break_up_subtract): Same.
1320 (break_up_subtract): Same.
1321 (repropagate_negates): Same.
1322 (break_up_subtract_bb): Same.
1323 (reassociate_bb): Same.
1324 * config/i386/i386.c (ix86_va_start): Same.
1325 (ix86_gimplify_va_arg): Same.
1326 * stmt.c (expand_expr_stmt): Same.
1327 (warn_if_unused_value): Same.
1328 (expand_return): Same.
1329 * tree-ssanames.c (make_ssa_name): Same.
1330 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
1331 * tree-ssa-operands.c (finalize_ssa_defs): Same.
1332 (add_virtual_operand): Same.
1333 (get_expr_operands): Same.
1334 (parse_ssa_operands): Same.
1335 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
1337 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
1339 * config.host: Remove extra blank line.
1341 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
1343 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
1344 target is also an x86 variant.
1346 2006-12-05 Richard Guenther <rguenther@suse.de>
1348 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
1349 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
1350 (ix86_builtin_vectorized_function): New function to vectorize
1353 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
1355 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
1356 ia64_override_options.
1358 2006-12-04 Jan Hubicka <jh@suse.cz>
1360 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
1363 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
1365 * rtlanal.c (note_uses): Deal with SEQUENCEs.
1366 * config/bfin/bfin.c: Include "timevar.h".
1367 (bfin_flag_schedule_insns2, splitting_for_sched,
1368 bfin_flag_var_tracking): New variables.
1369 (print_operand): Handle '%!'.
1370 (override_options): Disable normal sched2 pass, instead set
1371 bfin_flag_schedule_insns2 for reorg to handle it.
1372 (output_file_start): Likewise for var-tracking.
1373 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
1374 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
1376 (bfin_reorg): Do second scheduling pass here, and call
1377 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
1378 of examining insns directly. If bfin_flag_var_tracking, call
1379 var-tracking pass when done with everything else.
1380 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
1381 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
1382 (movsi_insn32): New pattern, with two new splits to create it
1383 before the final scheduling pass.
1384 (neghi2): Not a dsp32 insn, rather alu0.
1385 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
1386 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
1387 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
1388 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
1389 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
1390 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
1391 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
1392 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
1393 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
1394 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
1395 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
1396 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
1397 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
1398 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
1399 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
1400 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
1401 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
1402 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
1403 variants instead of ';'.
1404 (ror_one, rol_one): Likewise. Make them dsp32 insns.
1405 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
1406 (align8, align16, align24): Now named patterns; also using '%!'.
1409 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
1411 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
1412 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
1414 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1416 * config/spu/spu-protos.c (spu_split_address): Add.
1417 * config/spu/spu.c (spu_split_address): Add.
1418 (print_operand): Handle HIGH.
1419 (spu_legitimate_address): Don't test for aligned CONST.
1420 (spu_expand_mov): Don't split addresses here.
1421 * config/spu/constraints.md (A): Don't test legitimate_const.
1422 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
1423 (ceq_di): Use correct predicates.
1425 2006-12-04 Eric Christopher <echristo@apple.com>
1427 * config/darwin.h: Update copyright notice.
1428 * config/i386/darwin.h: Ditto.
1430 2006-12-04 Jan Hubicka <jh@suse.cz>
1432 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
1433 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
1435 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1437 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
1439 * tree-ssa-structalias.c (set_used_smts): Export.
1440 (find_what_p_points_to): Don't call set_used_smts here.
1441 * tree-ssa-structalias.h (set_used_smts): Add prototype.
1443 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1445 * tree-ssa-alias.c (compute_may_aliases):
1446 Compute flow sensitive before flow insensitive.
1447 (compute_flow_sensitive_aliasing): Don't try to add
1448 a symbol memory tag to itself.
1450 * alias.h (alias_set_subset_of): New prototype.
1452 * alias.c (alias_set_subset_of): New function.
1454 * tree-ssa-structalias.c: Update comments.
1455 (struct variable_info): Add finished_solution.
1456 (new_varinfo): Set finished solution to NULL.
1457 (var_escaped_vars): Remove.
1458 (escaped_vars_tree): Remove.
1459 (escaped_vars_id): Remove.
1460 (nonlocal_vars_id): Remove.
1461 (constraint_expr_type): Add INCLUDES.
1462 (graph_size): Removed.
1463 (dump_constraint): Support INCLUDES.
1464 (build_constraint_graph): Ditto.
1465 (collapse_nodes): Add merge_solutions argument.
1466 Don't merge attributes.
1467 (process_unification_queue): Just use collapse_nodes.
1468 (perform_var_substitution): Update call to collapse_nodes.
1469 (get_constraint_exp_from_ssa_var): Use INCLUDES.
1470 (process_constraint): Fix non-field sensitive handling
1472 (get_constraint_for): Use INCLUDES.
1473 (make_constraint_from_anything): Renamed from
1474 make_constraint_from_escaped.
1475 (make_constraint_to_escaped): Removed.
1476 (find_global_initializers): Removed.
1477 (create_variable_info_for): Do not make constraints to escaped
1479 (dump_solution_for_var): Don't print out the equivalent points-to
1480 sets, just use the name of the variable it shares it with.
1481 (intra_create_variable_infos): Use INCLUDES.
1482 Change nonlocal variable sets to anything sets.
1483 (init_base_vars): Remove escaped_vars and nonlocal_var
1485 (find_escape_constraints): Removed.
1486 (delete_points_to_sets): Remove dead code.
1487 (used_smt_calculated): New variable.
1488 (set_used_smts): New function.
1489 (merge_smts_into): New function.
1490 (find_what_p_points_to): Modify to use SMTs.
1491 (create_nonlocal_var): Remove.
1493 * tree-ssa-operands.c (access_can_touch_variable): Remove
1494 reference to nonlocal_all.
1496 * tree-ssa.c (verify_name_tags): Remove.
1498 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
1500 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
1501 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
1503 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
1505 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
1506 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
1507 (add_livein_if_notdef): Delete.
1508 (loe_visit_block): New. Propogate live on entry info for a block into
1509 each predecessor. If it changes, make sure it is visited again.
1510 (live_worklist): Visit every block and update the live on entry info
1511 for preds. Iterate over any that changed.
1512 (set_var_live_on_entry): Populate the live on entry blocks with bits
1513 based on the immediate uses of a var.
1514 (calculate_live_on_entry): Remove.
1515 (calculate_live_on_exit): Calculate live on exit based on the newly
1516 oriented live on entry bits.
1517 (calculate_live_ranges): Build live on entry and exit vectors.
1518 (dump_live_info): Use new orientation of live on entry bitmaps.
1519 (verify_live_on_entry): New. Split out verification code from old
1520 calculate_live_on_entry routine.
1521 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
1522 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
1523 basic_block instead of for a partition.
1524 (live_merge_and_clear): Add asserts.
1525 (make_live_on_entry): Set partition bit in basic block vector.
1527 2006-12-04 Jakub Jelinek <jakub@redhat.com>
1530 * omp-low.c (expand_omp_for_static_nochunk,
1531 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
1535 * omp-low.c (determine_parallel_type): Don't try to optimize combined
1536 parallels if region->exit or region->inner->exit is NULL.
1537 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
1539 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
1540 (expand_omp_for): Use expand_omp_for_generic if either region->cond
1541 or region->exit is NULL.
1542 (expand_omp_sections): Handle NULL region->cond or region->exit.
1545 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1547 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
1548 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
1550 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
1552 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
1553 TYPE_MAX_VALUE for scalar types here but...
1554 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
1555 is attached an error mark, and the return value of the callback
1556 if it is not NULL_TREE.
1558 2006-12-04 Ben Elliston <bje@au.ibm.com>
1560 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
1562 2006-12-03 Eric Christopher <echristo@apple.com>
1565 * config/t-slibgcc-darwin: Pass -install_name.
1566 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
1567 libtool. Only pass through options that the linker recognizes.
1568 (LINK_SPEC): Update comment. Translate options.
1569 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
1570 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
1572 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
1574 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
1576 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
1579 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
1580 operands[1] in insn constraint. Correct type attribute to sselog1.
1582 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
1585 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
1587 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
1588 processor detection.
1590 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
1591 -march=native if there is no -mtune=*.
1593 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
1596 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1598 * doc/install.texi: Update recommended MPFR version. Remove
1599 obsolete reference to cumulative patch.
1601 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1604 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1606 2006-11-30 Jan Hubicka <jh@suse.cz>
1607 Uros Bizjak <ubizjak@gmail.com>
1609 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1610 32bit memcpy/memset decriptors.
1611 (decide_alg): With -minline-all-stringops and sizes that are best
1612 to be copied via libcall still work hard enough to pick non-libcall
1615 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1617 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1619 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1620 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1621 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1622 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1623 config/spu/spu-c.c, config/spu/spu-modes.def,
1624 config/spu/spu.c, config/spu/spu.md,
1625 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1626 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1627 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1628 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1629 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1630 spelling conventions.
1632 * config/i386/i386.c: Fix a comment typo.
1634 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1636 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1637 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1638 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1639 better optimization.
1640 (floatv4siv4sf2): New.
1641 (fix_truncv4sfv4si2): New.
1642 (floatunsv4siv4sf2): New.
1643 (fixuns_truncv4sfv4si2): New.
1651 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1652 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1653 spu_resolve_overloaded_builtin instead of static inline functions.
1655 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1657 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1658 type instead of the size of its mode to compute the highest and
1659 lowest possible values. Still check the size of the mode before
1660 flipping the signedness of the comparison.
1662 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1664 * config/spu/predicates.md (spu_mov_operand): Add.
1665 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1666 (print_operand_address, print_operand): Handle addresses containing AND.
1667 (spu_split_load, spu_split_store): Use updated movti pattern.
1668 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1669 stores in mov patterns for correct operation of reload.
1670 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1672 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1675 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1677 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1679 * common.opt (ftree-combine-temps): Remove.
1680 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1681 (coalesce_ssa_name): Don't check for combine-temps.
1682 (coalesce_vars): Remove.
1683 (check_replaceable): Use num_imm_uses.
1684 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1685 check for combine-temps.
1686 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1687 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1688 to register_ssa_partition calls.
1689 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1690 (init_var_map, delete_var_map): remove refernces to ref_count.
1691 (create_ssa_var_map): Never calculate a ref count.
1692 (type_var_init): Remove.
1693 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1694 (SSA_VAR_MAP_REF_COUNT): Delete.
1695 (create_ssa_var_map): Change Prototype to have no parameters.
1696 (version_ref_count): Delete.
1697 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1699 (type_var_num, type_var, type_var_first_partition,
1700 type_var_next_partition, type_var_dump, type_var_delete,
1701 type_var_remove_partition, type_var_find, type_var_compact,
1702 type_var_decompact): Remove.
1704 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1706 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1709 2006-12-01 Richard Guenther <rguenther@suse.de>
1712 * dwarf2out.c (struct pubname_struct): Make name const.
1713 (add_pubtype): Do not xstrdup identifiers.
1715 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1717 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1718 multiword accesses are in range.
1720 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1722 PR tree-optimization/29921
1723 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1724 (set_lattice_value): Use canonicalize_float_value.
1726 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1728 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1729 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1730 (spu_cpu_cpp_builtins): Remove.
1731 (spu_override_options): Don't set warn_main.
1732 (spu_force_reg): Move from spu-c.c.
1733 (spu_check_builtin_parm): Likewise.
1734 (expand_builtin_args): Likewise.
1735 (spu_expand_builtin_1): Likewise.
1736 (spu_expand_builtin): Likewise.
1737 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1738 warn_main and targetm.resolve_overloaded_builtin.
1739 * config/spu/spu-c.c (spu_builtin_range): Remove.
1740 (spu_check_builtin_parm): Remove.
1741 (expand_builtin_args): Remove.
1742 (spu_expand_builtin_1): Remove.
1743 (spu_expand_builtin): Remove.
1744 (spu_cpu_cpp_builtins): Moved from spu.c
1745 (spu_force_reg): Remove.
1747 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1748 David Edelsohn <edelsohn@gnu.org>
1751 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1752 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1753 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1754 HARD_REGNO_NREGS_WITH_PADDING): Define.
1755 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1756 HARD_REGNO_NREGS_WITH_PADDING): Define.
1757 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1758 Use new macros to detect modes with holes; do not look at integer
1760 (subreg_offset_representable_p): Check for and disallow cases
1761 where the modes use different numbers of bits from registers.
1762 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1763 constant for soft-float.
1764 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1766 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1767 in E500 double case.
1768 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1769 (movtf_softfloat): New.
1771 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1773 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1774 simplify_gen_subreg.
1776 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1778 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1779 (COALESCE_HASH_FN): New. Define hash function.
1780 (partition_pair_map_hash): New. Hash value for a partition pair.
1781 (partition_pair_map_eq): New. Equality for hash pairs.
1782 (create_coalesce_list): Create hash table.
1783 (delete_coalesce_list): Free hash table.
1784 (find_partition_pair): Find/create pairs in hash table.
1785 (compare_pairs): Sort pairs in ascending order now.
1786 (num_coalesce_pairs): New. Number of pairs in hash table.
1787 (struct partition_pair_iterator): Iterator struct for pair table.
1788 (first_partition_pair): Iterator function for first pair.
1789 (end_partition_pair_p): Iterator function for end of iteration.
1790 (next_partition_pair): Iterator function for next pair.
1791 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1792 (sort_coalesce_list): Sort pairs from hash table into an array.
1793 (pop_best_coalesce): Take pairs from the array.
1794 (dump_coalesce_list): Update to use hash table or sorted array.
1795 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1796 (struct coalesce_list_d): Add hash table related fields.
1798 2006-11-30 Jan Hubicka <jh@suse.cz>
1801 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1802 memmove/bcopy->memcpy conversion.
1804 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1806 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1807 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1808 Default is the largest alignment supported for 32-bit ELF and
1809 representable on a 32-bit host.
1811 2006-11-30 Janis Johnson <janis187@us.ibm.com>
1813 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
1815 2006-11-30 Jan Hubicka <jh@suse.cz>
1817 * tree-ssa-operands.h (struct ssa_operands): New.
1818 * tree-flow-inline.h (gimple_ssa_operands): New function.
1819 * tree-flow.h: (struct gimple_df): Add ssa_operands.
1820 * Makefile.in: Remove gt-tree-ssa-operands.h
1821 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
1822 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
1823 operand_memory, operand_memory_index, ops_active): Remove statics.
1824 (ALLOC_OPTYPE): Update.
1825 (operand_build_sort_virtual): Update.
1826 (ssa_operands_active): Update.
1827 (init_ssa_operands): Update.
1828 (fini_ssa_operands): Update.
1829 (ssa_operand_alloc): Update.
1830 (INITIALIZE_USE): Update.
1831 (finalize_ssa_use_ops): Update.
1832 (finalize_ssa_v_may_def_ops): Update.
1833 (finalize_ssa_vuse_ops): Update.
1834 (finalize_ssa_v_must_def_ops): Update.
1836 2006-11-30 Richard Guenther <rguenther@suse.de>
1838 * tree-vectorizer.h (vectorizable_function): Export.
1839 * tree-vect-transform.c (vectorizable_function): Likewise.
1840 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
1841 type_in to scalar type in recognition of squaring.
1842 Make sure the target can vectorize sqrt in recognition
1843 of sqrt, set type_in to vector type in this case.
1845 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1847 * config/i386/i386.md (R10_REG): New constant.
1848 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
1849 (ix86_emit_restore_regs_using_mov): Ditto.
1850 (ix86_expand_call): Ditto.
1851 (x86_output_mi_thunk): Ditto. Also use R10_REG.
1853 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1855 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
1856 * alias.c (canon_true_dependence): Update comment.
1858 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1860 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
1861 at the end of a diagnostics message.
1863 * alloc-pool.c (pool_free): Postpone clearing the pool entry
1864 until after asserting that it was allocated in the right pool.
1866 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
1867 successor edge information as well. Make output of live regs
1868 on exit consistent with live regs on entry.
1870 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1873 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
1874 insn patterns for TARGET_80387.
1875 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
1876 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
1877 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
1878 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
1879 Generate truncxf<mode>2 insn patterns for strict SSE math.
1881 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1883 * config/i386/i386.md (movsf_1): Enable pattern for standard
1884 80387 constants before reload when optimizing for size.
1885 (*movdf_nointeger, *movdf_integer): Ditto.
1886 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
1887 80387 constants before reload when not optimizing for size.
1889 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
1890 extension of XFmode input operands.
1892 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1894 * config/spu/crt0.c (__dso_handle): Define.
1896 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
1898 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
1899 when clearing the used flags.
1901 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1903 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
1905 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1908 * config/spu/spu.md (extend_compare<mode>): New pattern.
1909 (extend_compare): Change to expand and use the above pattern.
1911 2006-11-29 Janis Johnson <janis187@us.ibm.com>
1913 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
1915 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
1916 (DFP_INIT_ROUNDMODE): Define.
1917 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
1918 * mklibgcc.in: Fix dependencies for dfp-bit.c.
1920 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
1922 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
1923 Update documentation.
1924 (associate_line_notes_with_blocks): Kill.
1925 (extend_bb): Remove basic block argument, put void instead.
1926 Remove line number handling for each bb.
1927 (save_line_notes): Kill.
1928 (restore_line_notes): Kill.
1929 (sched_init): Remove line_note_head initialization.
1930 Change extend_bb call.
1931 (sched_finish): Remove free of line_note_head.
1932 (add_block): Change extend_bb call.
1933 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
1934 rm_line_notes and restore_line_notes calls.
1935 (schedule_ebbs): Remove rm_redundant_line_notes.
1936 * sched-int.h (struct haifa_insn_data): Remove line_note.
1937 (save_line_notes): Remove declaration.
1938 (restore_line_notes): Remove declaration.
1939 * modulo-sched.c (loop_canon_p): Update debug info printing
1940 by using insn locators instead of line note.
1941 (sms_schedule): Update debug info printing, by using insn
1942 locators instead of line note.
1943 * sched-rgn.c (debug_dependencies): Remove handling of case
1944 n>0 (line number), since it's a dead code.
1945 (schedule_region): Remove save_line_notes and
1946 restore_line_notes calls.
1948 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1950 * config/rs6000/predicates.md (gpc_reg_operand): Check
1951 invalid_e500_subreg.
1952 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
1953 SImode subregs of SPE vectors.
1954 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
1955 * jump.c (true_regnum): Require subregs to satisfy
1956 subreg_offset_representable_p.
1958 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
1959 Steven Bosscher <stevenb.gcc@gmail.com>
1961 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
1962 since it no longer exists.
1964 2006-11-29 Duncan Sands <baldrick@free.fr>
1966 PR tree-optimization/23744
1967 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
1969 2006-11-29 Duncan Sands <baldrick@free.fr>
1971 PR tree-optimization/23744
1972 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
1974 2006-11-29 Duncan Sands <baldrick@free.fr>
1976 PR tree-optimization/23744
1977 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
1979 2006-11-29 Jie Zhang <jie.zhang@analog.com>
1981 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
1983 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
1985 * sh.opt (minline-ic_invalidate): New option.
1986 (musermode): Adjust comment.
1987 * sh.c (sh_initialize_trampoline): Emit library call unless
1988 is set; if it is set, don't emit library call if we can use icbi
1990 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
1991 icbi for TARGET_SH4_300.
1992 * t-sh (LIB1ASMFUNCS_CACHE): Set.
1993 * doc/invoke.texi: Document -minline-ic_invalidate; Update
1994 -musermode documentation.
1996 2006-11-29 Jim Tison <jtison@us.ibm.com>
1998 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
1999 __gthread_recursive_mutex_init): Define.
2001 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2003 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
2004 STRICT_ALIGNMENT and the type is more aligned than the saved
2005 registers, copy via a temporary.
2007 2006-11-28 Andrew Pinski <pinskia@gmail.com>
2010 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
2013 2006-11-28 Bob Wilson <bob.wilson@acm.org>
2015 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
2017 2006-11-28 Jan Hubicka <jh@suse.cz>
2019 Privatize SSA variables into gimple_df.
2020 * tree-flow-inline.h
2021 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
2022 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
2023 gimple_nonlocal_all): New accessors.
2024 (first_referenced_var): Update.
2025 (mark_stmt_modified): Update.
2026 (is_call_clobbered): Update.
2027 (mark_call_clobbered): Update.
2028 (clear_call_clobbered): Update.
2029 (mark_non_addressable): Update.
2030 * tree-vrp.c (get_value_range): Update.
2031 * tree-into-ssa.c (in_ssa_p): Kill.
2032 (get_default_def_for): Update.
2033 (rewrite_into_ssa): Update.
2034 * tree-complex.c (init_parameter_lattice_values): Update.
2035 (update_complex_assignment): Update.
2036 (update_parameter_components): Update.
2037 (expand_complex_libcall): Update.
2038 (expand_complex_operations_1): Update.
2039 * tree-tailcall.c (arg_needs_copy_p): Update.
2040 (add_virtual_phis): Update.
2041 (tree_optimize_tail_calls_1): Update.
2042 * tree-ssa-dse.c (memory_ssa_name_same): Update.
2043 * tree-ssa-copyrename.c
2044 (copy_rename_partition_coalesce): Update.
2045 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
2046 * tree-ssa-propagate.c (set_rhs): Update.
2047 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
2048 addressable_vars, global_var):Kill.
2049 (set_initial_properties): Update.
2050 (init_alias_info): Update.
2051 (finalize_ref_all_pointers): Update.
2052 (setup_pointers_and_addressables): Update.
2053 (maybe_create_global_var): Update.
2054 (create_global_var): Update.
2055 (dump_points_to_info): Update.
2056 * function.h (struct gimple_df): Forward declare.
2057 (struct function): Add GIMPLE_DF field.
2058 * gimplify.c (force_gimple_operand): Update.
2059 * tree-dfa.c (referenced_vars, default_defs): KIll.
2060 (make_rename_temp): Update.
2061 (dump_variable): Update.
2062 (referenced_var_lookup): Update.
2063 (referenced_var_check_and_insert): Update.
2064 (default_def): Rename to ...
2065 (gimple_default_def): ... this one; accept cfun argument.
2066 (set_default_def): Update.
2067 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
2068 (cleanup_control_flow): Update.
2069 * tree-ssa-pre.c (compute_avail): Update
2070 * tree-ssa-live.c (calculate_live_on_entry): Update.
2071 * tree-ssa.c (verify_use): Update.
2072 (verify_call_clobbering): Update.
2073 (verify_call_clobbering): Update.
2074 (init_tree_ssa): Update.
2075 (delete_tree_ssa): Update.
2076 * tree-outof-ssa.c (coalesce_ssa_name): Update.
2077 (rewrite_out_of_ssa): Update.
2078 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
2079 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
2081 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
2082 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
2083 addressable_vars, aliases_computed_p): Kill.
2084 (default_def): Rename to...
2085 (gimple_default_def): ... this one.
2086 (defaule_def_fn): Kill.
2087 (num_referenced_vars, ssa_names, num_ssa_names): Update.
2088 * tree-ssa-structalias.c (nonlocal_all): Kill.
2089 (get_constraint_exp_from_ssa_var): Update.
2090 (create_nonlocal_var): Update.
2091 (get_constraint_for): Update.
2092 (update_alias_info): Update.
2093 (find_global_initializers): Update.
2094 (intra_create_variable_infos): Update.
2095 (intra_create_variable_infos):
2096 (find_what_p_points_to): Update.
2097 (init_alias_heapvars): Update.
2098 * tree-cfg.c (remove_bb): Update.
2099 (gimplify_val): Update.
2100 * tree-ssa-reassoc.c (get_rank): Update.
2101 (init_reassoc): Update.
2102 * tree-ssanames.c: Do not include gt-tree-ssanames.h
2103 (ssa_names, free_ssanames): Kill.
2104 (init_ssanames): Update.
2105 (make_ssa_name): Update.
2106 (release_ssa_name): Update.
2107 (release_defs): Update.
2108 (replace_ssa_name_symbol): Update.
2109 * tree-ssa-operands.c (access_can_touch_variable): Update.
2110 (add_virtual_operand): Update.
2111 (add_call_clobber_ops): Update.
2112 (add_call_read_ops): Update.
2113 (get_call_expr_operands): Update.
2114 (get_asm_expr_operands): Update.
2116 2006-11-28 Jan Hubicka <jh@suse.cz>
2118 * builtins.c: Include tree-flow.h.
2119 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
2120 assignment; convert memmove to memcpy for sizes greater than 1 where
2121 alignment of operands prohibit the partial overlap.
2123 2006-11-28 Jan Hubicka <jh@suse.cz>
2125 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
2126 * cgraph.c (dump_cgraph_node): Dump stack usage.
2127 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
2128 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
2129 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
2130 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
2131 (cgraph_check_inline_limits): Limit stack growth.
2132 * cfgexpand.c: Include tree-inline.h.
2133 (account_stack_vars): New function.
2134 (expand_one_var): New param to just account the stack; return estimated
2136 (expand_used_vars_for_block): Update call of expand_one_var.
2137 (account_used_vars_for_block): New function.
2138 (estimated_stack_frame_size): Likewise.
2139 (init_vars_expansion, fini_vars_expansion): Break out from..
2140 (expand_used_vars): ... here.
2141 * tree-inline.h (estimated_stack_frame_size): Declare.
2142 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
2144 2006-11-28 Richard Guenther <rguenther@suse.de>
2146 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
2147 unsigned long for printing OBJECT_SIZE.
2149 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
2151 * alias.c (init_alias_analysis): Remove simplification loop
2152 after propagating pointers.
2154 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2156 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
2159 2006-11-27 Bob Wilson <bob.wilson@acm.org>
2161 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
2163 2006-11-27 Roger Sayle <roger@eyesopen.com>
2164 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2166 * c-common.c (constant_fits_type_p): Delete.
2167 (unsigned_conversion_warning): Delete.
2168 (conversion_warning): Integrate Wconversion warning from
2169 unsigned_conversion_warning.
2170 (convert_and_check): Integrate Woverflow warning from
2171 unsigned_conversion_warning. Reorganize and simplify to avoid
2172 dependence upon the middle-end setting TREE_OVERFLOW on integral
2173 conversions, by using int_fits_type_p directly.
2175 2006-11-27 Tobias Burnus <burnus@net-b.de>
2177 * doc/invoke.texi: Fixed typo.
2179 2006-11-27 Michael Matz <matz@suse.de>
2180 Andreas Krebbel <krebbel1@de.ibm.com>
2183 * config/s390/predicates.md (larl_operand): Check addend of larl
2184 operand to be in range of -/+2GB.
2185 * config/s390/s390.c (legitimize_pic_address): Likewise.
2186 Changed type of variable even to HOST_WIDE_INT.
2188 2006-11-27 Jan Hubicka <jh@suse.cz>
2190 * expr.c (emit_block_move_via_libcall): Export.
2191 (clear_storage_via_libcall): Rename to ...
2192 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
2193 (clear_storage): Update to set_storage_via_libcall.
2194 * expr.h (emit_block_move_via_libcall): Declare
2195 * config/i386/i386.h (stringop_alg): New enum.
2196 (MAX_STRINGOP_ALGS): New constant.
2197 (stringop_algs): New struct.
2198 (processor_costs): Add memcpy/memset descriptors.
2199 (TARGET_REP_MOVEL_OPTIMAL): Remove.
2200 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
2201 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
2203 * config/i386/i386.opt (minline-stringops-dynamically,
2204 mstringop-strategy): New
2206 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
2207 (ix86_expand-clrmem): Rename to ...
2208 (ix86_expand_setmem): ... this one; update prototype.
2209 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
2210 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
2211 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
2212 nocona_cost, core2_cost, generic_cost, generic64_cost,
2213 generic32_cost): Add memcpy/memset descriptors.
2214 (x86_rep_movl_optimal): Remove.
2215 (stringop_alg): New static variable.
2216 (ix86_expand_aligntest): Handle predictions.
2217 (override_options): Add strgop_alg handling.
2218 (predict_jump): New function.
2219 (scale_counter): New function.
2220 (expand_set_or_movmem_via_loop): New function.
2221 (expand_movmem_via_rep_mov): New function.
2222 (expand_setmem_via_rep_stots): New function.
2223 (emit_strmov): New function.
2224 (expand_movmem_epilogue): New function.
2225 (expand_setmem_epilogue_via_loop): New function.
2226 (expand_setmem_epilogue): New function.
2227 (expand_movmem_prologue): New function.
2228 (expand_setmem_prologue): New function.
2229 (decide_alg): New function.
2230 (decide_alignment): New function.
2231 (ix86_exand_movmem): Rewrite.
2232 (promote_duplicated_reg): New function.
2233 (ix86_expand_clrmem): Rename to ...
2234 (ix86_expand_setmem): ... this one. Rewrite.
2236 * invoke.texi (minline-stringops-dynamically): New command line option.
2237 (mstringop-strategy): Likewise.
2239 2006-11-27 Jan Hubicka <jh@suse.cz>
2241 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
2242 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
2243 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
2244 * insn-notes.def (FUNCTION_END): Remove.
2245 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
2246 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
2248 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
2249 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
2250 * cfglayout.c (duplicate_insn_chain): Don't worry about
2253 2006-11-27 Richard Guenther <rguenther@suse.de>
2254 Zdenek Dvorak <dvorakz@suse.cz>
2256 * target.h (struct gcc_target): Add builtin_vectorized_function
2258 * target-def.h (TARGET_VECTORIZE): Likewise.
2259 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2260 Document new target hook.
2261 * targhooks.h (default_builtin_vectorized_function): Declare.
2262 * targhooks.c (default_builtin_vectorized_function): Define.
2263 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
2264 (vectorizable_call): Declare.
2265 * tree-vect-analyze.c (vect_analyze_operations): Call
2267 * tree-vect-transform.c (vectorizable_function): New static function.
2268 (build_vectorized_function_call): Likewise.
2269 (vectorizable_call): New function.
2270 (vect_transform_stmt): Handle vectorizable calls.
2272 2006-11-27 Richard Guenther <rguenther@suse.de>
2275 * builtins.c (expand_builtin_pow): Optimize non integer valued
2276 constant exponents using sqrt or cbrt if possible. Always fall back
2277 to expanding via optabs.
2279 2006-11-27 Ira Rosen <irar@il.ibm.com>
2281 PR tree-optimization/22372
2282 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
2283 the type of the base address.
2284 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
2285 it in the data-ref pointer creation.
2286 (vect_init_vector): Add an argument, type of the init vector. Use it in
2288 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
2289 (get_initial_def_for_reduction): Likewise.
2290 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
2292 (vectorizable_assignment, vect_permute_store_chain): Likewise.
2293 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
2294 correct type in stmt creation.
2295 (vect_setup_realignment): Use the correct type in stmt creation.
2296 (vect_permute_load_chain): Change type of MODIFY_EXPR to
2298 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
2299 of MODIFY_EXPR to void_type_node.
2300 (vectorizable_condition): Change type of MODIFY_EXPR to
2302 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
2305 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2308 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2309 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2310 standard 80387 constants, raise the cost to prevent
2311 compress_float_constant() to generate load from memory.
2313 * config/i386/i386.md: Add new splitter pattern to split
2314 float_extended load of constant from constant pool into
2317 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2319 * doc/install.texi: Move GMP/MPFR configure options from Fortran
2320 section to general section. Remove documentation for
2321 --with-mpfr-dir and --with-gmp-dir, add documentation for
2322 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
2325 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
2327 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
2329 * testsuite/gcc.dg/ipa/ipa-6.c: New.
2331 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
2333 PR tree-optimization/29122
2334 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
2335 for the new version. Assign NULL to DECL_RTL of the new version.
2337 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2339 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
2341 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
2343 * cse.c (cse_altered): Remove.
2344 (record_jump_equiv): Make true/false argument a bool instead
2346 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
2347 where appropriate. Emit a new jump before the existing one
2348 instead of after so that delete_insn_and_edges removes the
2349 dead edges properly. Check any_condjump_p before calling
2351 (cse_basic_block): Check any_condjump_p before calling
2353 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
2355 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
2357 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
2358 -ffixed-line-length-* options.
2360 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2362 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
2363 (fprem1xf4): Rename to fprem1xf4_i387.
2365 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
2366 Rename patterns to fmod<mode>3. Use general_operand operand
2367 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
2368 patterns for SSE math.
2369 (remaindersf3, remainderdf3): Ditto.
2371 2006-11-25 Joseph Myers <joseph@codesourcery.com>
2373 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
2374 inside start_sequence / end_sequence pair.
2376 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
2378 * jump.c (mark_all_labels): Work in cfglayout mode.
2379 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
2380 when in cfglayout mode, because there are no dead jumptables
2382 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
2384 (commit_edge_insertions): Do not allow insertion of instructions
2385 with control flow insns when in cfglayout mode.
2387 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
2389 * tree-vrp.c (execute_vrp): Do not pass loops structure through
2391 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
2392 unswitch_loop): Ditto.
2393 * tree-loop-linear.c (linear_transform_loops): Ditto.
2394 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
2395 tree_ssa_lim): Ditto.
2396 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
2397 free_numbers_of_iterations_estimates): Ditto.
2398 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
2399 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
2400 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
2401 remove_path, add_loop, loopify, unloop, fix_loop_placements,
2402 place_new_loop, duplicate_loop, duplicate_subloops,
2403 update_single_exit_for_duplicated_loops, copy_loops_to,
2404 duplicate_loop_to_header_edge, create_preheaders,
2405 force_single_succ_latches, loop_version, fix_loop_structure):
2407 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
2408 tree_unroll_loop): Ditto.
2409 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2410 * tree-scalar-evolution.c (select_loops_exit_conditions,
2411 scev_initialize, scev_analysis): Ditto.
2412 * tree-scalar-evolution.h (scev_initialize): Ditto.
2413 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
2414 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
2415 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
2416 * modulo-sched.c (sms_schedule): Ditto.
2417 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2418 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
2419 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
2420 * ifcvt.c (if_convert): Ditto.
2421 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
2422 canonicalize_loop_induction_variables,
2423 canonicalize_induction_variables,
2424 tree_unroll_loops_completely, remove_empty_loops): Ditto.
2425 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
2426 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
2427 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
2428 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
2429 tree_ssa_loop_done): Ditto.
2430 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
2431 estimate_bb_frequencies): Ditto.
2432 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
2433 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
2434 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
2435 decide_unrolling_and_peeling, peel_loop_completely,
2436 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
2437 peel_loop_simple, unroll_loop_stupid): Ditto.
2438 * loop-doloop.c (doloop_optimize_loops): Ditto.
2439 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
2440 * loop-invariant.c (move_loop_invariants): Ditto.
2441 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
2442 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
2443 tree_ssa_prefetch_arrays): Ditto.
2444 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
2446 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
2447 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
2448 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
2449 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
2450 verify_loop_structure): Ditto.
2451 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
2452 canonicalize_induction_variables, tree_unroll_loops_completely,
2453 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
2454 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
2455 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
2456 tree_unroll_loop, linear_transform_loops): Declaration changed.
2457 * basic-block.h: Remove declaration of struct loops.
2458 * cfghooks.h (struct cfg_hooks): Change type of
2459 cfg_hook_duplicate_loop_to_header_edge.
2460 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
2461 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
2462 vect_transform_loop): Declaration changed.
2463 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
2464 * cfgloop.h (flow_loops_dump, fix_loop_structure,
2465 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
2466 cancel_loop_tree, create_preheaders, force_single_succ_latches,
2467 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
2468 loopify, loop_version, remove_path, unswitch_loops,
2469 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
2470 Declaration changed.
2472 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
2474 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
2475 (X87MODEF): New mode macro.
2476 (ssemodefsuffix): New mode attribute.
2477 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
2478 (sqrt_extend<mode>xf2_i387): New insn pattern.
2479 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
2480 insn and truncate result back to original mode using
2481 UNSPEC_TRUNC_NOOP truncation.
2482 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
2483 ssemodefsuffix mode attribute.
2484 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
2485 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
2486 (*sqrtextenddfxf2_i387): Remove insn patterns.
2488 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
2489 truncation patterns.
2491 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
2493 2006-11-24 Jakub Jelinek <jakub@redhat.com>
2496 * c-tree.h (c_maybe_initialize_eh): New prototype.
2497 * c-decl.c (finish_decl): Move EH initialization...
2498 (c_maybe_initialize_eh): ... here. New function.
2499 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
2500 if not #pragma omp atomic.
2503 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
2504 or UNION_TYPE inner types.
2506 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
2509 * ipa-pure-const.c (check_tree): If the original tree
2510 is volatile return early and say the function is not pure
2511 nor const. Remove the volatile check for writes.
2512 (analyze_function): Print out the result of the local
2515 2006-11-24 Joseph Myers <joseph@codesourcery.com>
2517 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
2519 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
2520 * config/rs6000/rs6000.c (rs6000_override_options): Use
2521 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
2524 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
2526 * config/s390.c (s390_emit_compare_and_swap): New function.
2527 (s390_expand_cs_hqi, s390_expand_atomic): Call
2528 s390_emit_compare_and_swap.
2530 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2532 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
2534 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2538 * c-common.c (conversion_warning): New.
2539 (convert_and_check): Call conversion_warning unless there is an
2541 * doc/invoke.texi (-Wconversion): Update description.
2543 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
2545 * tree-ssa-alias.c (tree_pointer_compare): New function.
2546 (compact_name_tags): New function.
2547 (group_aliases): Call compact_name_tags.
2549 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2551 * real.h (real_isinteger): Declare.
2552 * real.c (real_isinteger): Define.
2553 * builtins.c (integer_valued_real_p): Use it.
2555 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2558 * c.opt (Wtraditional-conversion): New.
2559 (Wconversion): Update description.
2560 * c-typeck.c (convert_arguments): Warnings for prototypes causing
2561 type conversions different from what would happen in the absence
2562 of prototype are now handled by Wtraditional-conversion.
2563 * doc/invoke.texi (Wtraditional-conversion): New.
2564 (Wconversion): Update description.
2565 * doc/trouble.texi (Wconversion): Replace Wconversion by
2566 Wtraditional-conversion.
2568 2006-11-23 Andrew Pinski <pinskia@gmail.com>
2570 * predict.c (tree_estimate_probability): Check to make
2571 sure current_loops is non null before calling flow_loops_dump.
2573 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2575 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
2577 2006-11-23 David Ung <davidu@mips.com>
2579 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
2581 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
2582 (ASM_SPEC): Pass along -mfp32 and -mfp64.
2583 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
2584 high part of FP register when in 64-bit FP register mode. Similarly
2585 use gen_mfhc1 to load high part of FP register.
2586 (override_options): Allow -mgp32 and -mfp64 combination if
2587 ISA_HAS_MXHC1 (currently for O32 only).
2588 (mips_cannot_change_mode_class): If floating-point registers are
2589 bigger than word size. disallow conversion of float register from a
2590 large integer mode to a float mode smaller than the float register
2592 (mips_class_max_nregs): Handle float registers case seperately.
2593 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
2595 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
2596 (movdf_hardfloat_32bit): Similarly.
2597 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
2598 support a full 64-bit fpu.
2599 (mthc1): New pattern to generate MTHC1 instruction.
2600 (mfhc1): New pattern to generate MFHC1 instruction.
2601 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2602 option for the MIPS32R2 and mention its use under O32 ABI.
2604 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2606 * var-tracking.c (emit_note_insn_var_location): Take care not to
2607 cause verify_flow_info failures.
2609 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2611 * tree-ssa-structalias.c: Remove edge weights in favor of just
2612 processing them as complex constraints.
2613 (struct constraint_graph): Remove weighted succs and preds. Rename
2614 nonweighted succs and preds.
2615 (constraint_edge): Removed.
2616 (constraint_edge_t): Ditto.
2617 (constraint_edge_pool): Ditto.
2618 (new_constraint_edge): Ditto.
2619 (constraint_edge_equal): Ditto.
2620 (constraint_edge_less): Ditto.
2621 (constraint_edge_vec_find): Ditto.
2622 (erase_self_graph_edge): Ditto.
2623 (add_graph_edge): Removed.
2624 (get_graph_weights): Ditto.
2625 (allocate_graph_weights): Ditto.
2626 (valid_weighted_graph_edge): Ditto
2627 (bitmap_other_than_zero_bit_set): Ditto.
2628 (int_add_graph_edge): Renamed to add_graph_edge.
2629 (clear_edges_for_node): Remove support for weighted edges.
2630 (merge_graph_nodes): Ditto.
2631 (valid_graph_edge): Ditto.
2632 (build_constraint_graph): Ditto.
2634 (collapse_nodes): Ditto.
2635 (process_unification_queue): Ditto.
2636 (topo_visit): Ditto.
2637 (do_ds_constraint): Ditto.
2638 (perform_var_subsitution): Ditto.
2639 (solve_graph): Ditto.
2640 (init_alias_vars): Ditto.
2641 (delete_points_to_sets): Ditto.
2642 (do_complex_constraint): Support offsetted copies here.
2644 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2646 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2648 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2650 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2653 2006-11-23 Ben Elliston <bje@au.ibm.com>
2655 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2657 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2659 PR tree-optimization/29921
2660 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2661 signed and unsigned zero equal.
2663 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2665 * config/rs6000/rs6000.c (get_store_dest): New.
2666 (adjacent_mem_locations): Use get_store_dest() to get
2667 the rtl of the store destination.
2669 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2671 * config/rs6000/spe.md (SPE64): New mode macro.
2672 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2674 (mov_si<mode>_e500_subreg0_2): New.
2675 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2677 (mov_si<mode>_e500_subreg4_2): New.
2678 * config/rs6000/predicates.md (input_operand): Do not allow
2679 invalid E500 subregs.
2680 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2682 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2683 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2684 involving vector modes if TARGET_SPE.
2686 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2689 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2690 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2692 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2694 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2695 mem_i_address_operand): New predicates.
2696 * config/bfin/bfin.c (bfin_issue_rate): New function.
2697 (TARGET_SCHED_ISSUE_RATE): New macro.
2698 * config/bfin/bfin.md (addrtype): New attribute.
2699 (slot0, slot1, slot2, store, pregs): New cpu_units.
2700 (core): Now a define_reservation.
2701 (alu): Remove some insn types from this reservation.
2702 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2704 (dummy reservation): Don't trigger for mcld insns.
2705 (absence_sets): Two new absence sets to enforce slot ordering.
2706 (popsi_insn): Set addrtype.
2708 2006-11-22 Ira Rosen <irar@il.ibm.com>
2710 * doc/c-tree.texi: Document new tree codes.
2711 * doc/md.texi: Document new optabs.
2712 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2714 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2715 * optabs.h (optab_index): Add new.
2716 (vec_extract_even_optab, vec_extract_odd_optab,
2717 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2718 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2719 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2721 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2722 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2723 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2724 along with macros for their access.
2725 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2727 * tree-vect-analyze.c (toplev.h): Include.
2728 (vect_determine_vectorization_factor): Fix indentation.
2729 (vect_insert_into_interleaving_chain,
2730 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2731 (vect_analyze_data_ref_dependence): Add argument for interleaving
2732 check. Check for interleaving if it's true.
2733 (vect_check_dependences): New function.
2734 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2735 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2736 (vect_update_misalignment_for_peel): Update for interleaving.
2737 (vect_verify_datarefs_alignment): Check only first data-ref for
2739 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2740 only first data-ref for interleaving.
2741 (vect_analyze_data_ref_access): Check interleaving, update
2743 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2744 with different parameters.
2745 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2746 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2747 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2748 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2749 Update step in case of interleaving.
2750 (vect_strided_store_supported, vect_permute_store_chain): New
2752 (vectorizable_store): Handle strided stores.
2753 (vect_strided_load_supported, vect_permute_load_chain,
2754 vect_transform_strided_load): New functions.
2755 (vectorizable_load): Handle strided loads.
2756 (vect_transform_stmt): Add argument. Handle strided stores. Check
2757 that vectorized stmt exists for patterns.
2758 (vect_gen_niters_for_prolog_loop): Update calculation for
2760 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2761 whole chain vectorization.
2762 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2763 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2764 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2765 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2766 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2768 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2770 * cse.c (enum taken): Remove PATH_AROUND.
2771 (addr_affects_sp_p, invalidate_skipped_set,
2772 invalidate_skipped_block): Remove.
2773 (cse_end_of_basic_block): Remove skip_blocks and related code.
2774 (cse_main): Don't test for flag_cse_skip_blocks.
2775 Update cse_end_of_basic_block call.
2776 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2777 code to lengthen the path if a jump was simplified.
2779 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2781 PR rtl-optimization/29924
2782 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2783 (unroll_loop_runtime_iterations): Assert that the argument passed to
2784 split_edge_and_insert is not NULL.
2785 * loop-doloop.c (add_test): Ditto.
2787 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2789 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2791 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2792 * cfgloopmanip.c (update_single_exits_after_duplication,
2793 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2794 * tree-scalar-evolution.c (get_loop_exit_condition,
2795 get_exit_conditions_rec, loop_closed_phi_def,
2796 number_of_iterations_in_loop, scev_const_prop): Ditto.
2797 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2798 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2800 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2802 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2803 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2804 slpeel_make_loop_iterate_ntimes,
2805 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2806 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2808 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2809 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2810 vect_analyze_loop_form): Ditto.
2811 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
2812 can_convert_to_perfect_nest, perfect_nestify): Ditto.
2813 * tree-vect-transform.c (vect_create_epilog_for_reduction,
2814 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2815 vect_transform_loop): Ditto.
2816 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
2817 (single_exit, set_single_exit): New functions.
2818 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
2819 (single_exit, set_single_exit): Declare.
2820 * doc/loop.texi: Undocument single_exit field. Document single_exit
2823 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2825 PR tree-optimization/29902
2826 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
2827 any involved ssa name appears in abnormal phi node.
2829 2006-11-21 Bob Wilson <bob.wilson@acm.org>
2831 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
2832 (xtensa_const_ok_for_letter_p): Delete.
2833 (xtensa_extra_constraint): Delete.
2834 (override_options): Delete xtensa_char_to_class initialization.
2835 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
2836 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2837 (EXTRA_CONSTRAINT): Delete.
2838 * config/xtensa/xtensa.md: Include constraints.md.
2839 (call_internal): Combine alternatives.
2840 (call_value_internal): Likewise, and remove invalid constraints.
2841 * config/xtensa/constraints.md: New file.
2842 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
2843 (xtensa_extra_constraint): Delete.
2844 * doc/md.texi (Machine Constraints): Refer to constraints.md for
2847 2006-11-21 Janis Johnson <janis187@us.ibm.com>
2849 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
2850 of conversion that doesn't fit.
2852 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
2853 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
2854 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
2856 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
2858 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
2860 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
2862 2006-11-21 Richard Guenther <rguenther@suse.de>
2864 * tree-vectorizer.h (NUM_PATTERNS): Increase.
2865 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
2866 vect_recog_pow_pattern.
2867 (vect_recog_pow_pattern): New function.
2869 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
2871 * config/bfin/bfin.opt (mstack-check-l1): New.
2872 * doc/invoke.texi (Blackfin Options): Document it.
2873 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
2874 stack bounds in L1 memory if the new option is enabled.
2875 (override_options): Don't allow combinations of -fstack-limit and
2877 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
2880 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
2882 (bfin_register_move_cost): Bump costs if trying to move plain
2883 integer values through accumulators.
2885 2006-11-21 Ben Elliston <bje@au.ibm.com>
2887 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
2889 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2890 Russell Olsen <Russell_Olsen@playstation.sony.com>
2891 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
2892 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
2893 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
2894 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
2895 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2897 * config.gcc: Add target for SPU.
2898 * config/spu/constraints.md: New file.
2899 * config/spu/crt0.c: New file.
2900 * config/spu/crtend.c: New file.
2901 * config/spu/crti.asm: New file.
2902 * config/spu/crtn.asm: New file.
2903 * config/spu/float_unsdidf.c: New file.
2904 * config/spu/float_unssidf.c: New file.
2905 * config/spu/predicates.md: New file.
2906 * config/spu/spu-builtins.def: New file.
2907 * config/spu/spu-builtins.h: New file.
2908 * config/spu/spu-builtins.md: New file.
2909 * config/spu/spu-c.c: New file.
2910 * config/spu/spu-elf.h: New file.
2911 * config/spu/spu-modes.def: New file.
2912 * config/spu/spu-protos.h: New file.
2913 * config/spu/spu.c: New file.
2914 * config/spu/spu.h: New file.
2915 * config/spu/spu.md: New file.
2916 * config/spu/spu.opt: New file.
2917 * config/spu/spu_internals.h: New file.
2918 * config/spu/spu_intrinsics.h: New file.
2919 * config/spu/spu_mfcio.h: New file.
2920 * config/spu/t-spu-elf: New file.
2921 * config/spu/vec_types.h: New file.
2922 * config/spu/vmx2spu.h: New file.
2923 * doc/contrib.texi: Document SPU contributor.
2924 * doc/extend.texi: Document SPU extensions.
2925 * doc/invoke.texi: Document SPU options.
2926 * doc/md.texi: Document SPU constraints.
2928 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2930 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
2932 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
2934 (flow_loop_dump): Do not dump loop level.
2935 (flow_loops_find): Do not call flow_loops_level_compute.
2936 * cfgloop.h (struct loop): Remove level field.
2938 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2940 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
2941 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
2942 Use vector of edges instead of array.
2943 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
2944 estimate_numbers_of_iterations_loop): Ditto.
2945 * predict.c (predict_loops): Ditto.
2946 * loop-unroll.c (analyze_insns_in_loop): Ditto.
2947 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
2949 * basic-block.h: Declare heap allocation for edge vectors.
2950 * tree-outof-ssa.c: Ditto.
2951 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
2952 * cfgloop.h (get_loop_exit_edges): Declaration changed.
2954 2006-11-20 Zack Weinberg <zackw@panix.com>
2956 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
2957 Add another out parameter, "skip".
2958 (set_gc_used_type): Adjust calls to process_gc_options. If a field
2959 is tagged "skip", do not mark its type used.
2961 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2964 * tree-sra.c (single_scalar_field_in_record_p): New function.
2965 (decide_block_copy): Use it.
2967 2006-11-20 David Daney <ddaney@avtrex.com>
2969 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2970 PC to point to following instruction.
2972 2006-11-20 Anatoly Sokolov <aesok@post.ru>
2976 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
2978 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
2980 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
2982 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2983 Add sh/superh.h to tm_file.
2985 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
2986 Mark Mitchell <mark@codesourcery.com>
2988 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
2990 (cpp_relocated): New function.
2991 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
2993 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
2994 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
2995 replace configured prefix with gcc_exec_prefix.
2997 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
2999 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
3000 bfin_legitimate_constant_p.
3001 * config/bfin/bfin.md (movsi expander): Check return value of
3003 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
3004 (expand_move): Adjust prototype.
3005 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
3006 invalid constants specially.
3007 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
3009 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
3011 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
3012 sibcall_value_symbol): Allow these patterns if
3013 TARGET_LEAF_ID_SHARED_LIBRARY.
3014 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
3015 (override_options): Turn on id shared library flags if -msep-data,
3016 but disallow the combination of these options on the command line.
3017 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
3018 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
3019 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
3020 -mid-shared-library.
3021 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
3022 * doc/invoke.texi (Blackfin Options): Document new switches.
3024 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
3025 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
3027 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
3028 inflate costs for addresses with an out-of-bounds address.
3030 2006-11-19 Andrew Pinski <pinskia@gmail.com>
3033 * fwprop.c (loops): Remove.
3034 (forward_propagate_into): Use current_loops instead of
3036 (fwprop_init): Call loop_optimizer_init instead of
3038 (fwprop_done): Call loop_optimizer_finalize instead of
3040 (fwprop): Use current_loops instead of loops.
3042 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
3045 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
3047 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3050 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
3051 larger than BITS_PER_WORD.
3053 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3057 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
3058 to MAX_FIXED_MODE_SIZE.
3060 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3062 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
3063 (fold_builtin_fmin_fmax): New.
3064 (fold_builtin_1): Use it.
3066 * fold-const.c (fold_strip_sign_ops): Handle copysign.
3068 2006-11-18 Richard Guenther <rguenther@suse.de>
3070 * config/i386/i386.c (ix86_builtins): New array for ix86
3071 builtin function decls.
3072 (def_builtin): New function.
3073 (def_builtin_const): Likewise.
3074 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
3076 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
3078 * doc/invoke.texi (core2): Add item.
3080 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
3082 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
3083 (TARGET_CPU_DEFAULT_generic): Change value.
3084 (TARGET_CPU_DEFAULT_NAMES): Add core2.
3085 (processor_type): Add new constant PROCESSOR_CORE2.
3087 * config/i386/i386.md (cpu): Add core2.
3089 * config/i386/i386.c (core2_cost): New initialized variable.
3090 (m_CORE2): New macro.
3091 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
3092 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
3093 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3094 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3095 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3096 x86_accumulate_outgoing_args, x86_prologue_using_move,
3097 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3098 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
3099 x86_use_incdec, x86_four_jump_limit, x86_schedule,
3100 x86_pad_returns): Add m_CORE2.
3101 (override_options): Add entries for Core2.
3102 (ix86_issue_rate): Add case for Core2.
3104 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
3106 * doc/invoke.texi: Fix mno-isel typo.
3108 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3110 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
3111 easy vector constant loads.
3113 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3115 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
3116 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3117 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
3118 * config/rs6000/sync.md (lwsync): Emit plain sync if
3121 2006-11-17 DJ Delorie <dj@redhat.com>
3123 * reload1.c (reloads_unique_chain): New.
3124 (reloads_conflict): Call it.
3126 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3128 * config/xtensa/predicates.md (addsubx_operand): New.
3129 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
3130 (xtensa_emit_bit_branch): New.
3131 (xtensa_emit_movcc): New.
3132 * config/xtensa/xtensa.md (any_minmax): New code macro.
3133 (minmax): New code attribute.
3134 (any_cond, any_scc, any_scc_sf): New code macros.
3135 (*addx2, *addx4, *addx8): Delete.
3137 (*subx2, *subx4, *subx8): Delete.
3139 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
3140 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
3141 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
3142 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
3143 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
3144 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
3145 (movsfcc_internal0, movsfcc_internal1): Likewise.
3146 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
3147 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
3148 (xtensa_emit_bit_branch): New.
3149 (xtensa_emit_movcc): New.
3150 (function_arg_boundary): Add missing prototype.
3152 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3154 * config/xtensa/xtensa.md (tstsi): Delete
3156 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3158 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
3160 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3162 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3164 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3166 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
3168 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3170 * tree-vrp.c (execute_vrp): Do not update current_loops.
3171 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
3172 * doc/loop.texi: Remove documentation for cancelled functions.
3173 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
3174 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
3176 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
3177 (remove_path): Ensure that in delete_basic_blocks, the loops
3178 are still allocated.
3179 (add_loop): Work on valid loop structures.
3180 (loopify): Modify call of add_loop.
3181 (mfb_update_loops): Removed.
3182 (create_preheader): Do not update loops explicitly.
3183 (force_single_succ_latches, loop_version): Do not use
3184 loop_split_edge_with.
3185 (loop_split_edge_with): Removed.
3186 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
3187 Do not use bsi_insert_on_edge_immediate_loop.
3188 (split_loop_exit_edge, tree_unroll_loop): Do not use
3189 loop_split_edge_with.
3190 (bsi_insert_on_edge_immediate_loop): Removed.
3191 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
3192 use loop_split_edge_with.
3193 * cfghooks.c: Include cfgloop.h.
3194 (verify_flow_info): Verify that loop_father is filled iff current_loops
3196 (redirect_edge_and_branch_force, split_block, delete_basic_block,
3197 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
3199 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
3201 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
3202 loop_split_edge_with.
3203 (sms_schedule): Use current_loops.
3204 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
3205 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
3207 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
3208 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
3209 * ifcvt.c (if_convert): Ditto.
3210 * predict.c (predict_loops): Do not clear current_loops.
3211 (tree_estimate_probability): Use current_loops.
3212 (propagate_freq): Receive head of the region to propagate instead of
3214 (estimate_loops_at_level): Do not use shared to_visit bitmap.
3215 (estimate_loops): New function. Handle case current_loops == NULL.
3216 (estimate_bb_frequencies): Do not allocate tovisit. Use
3218 * tree-ssa-loop.c (current_loops): Removed.
3219 (tree_loop_optimizer_init): Do not return loops.
3220 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
3221 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
3222 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
3223 Do not update loops explicitly.
3224 * function.h (struct function): Add x_current_loops field.
3225 (current_loops): New macro.
3226 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
3227 * loop-unroll.c (split_edge_and_insert): New function.
3228 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
3229 use loop_split_edge_with.
3230 * loop-doloop.c (add_test, doloop_modify): Ditto.
3231 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
3232 * cfglayout.c (copy_bbs): Do not update loops explicitly.
3233 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
3234 * tree-vect-transform.c (vect_transform_loop): Do not update loops
3236 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
3237 (flow_loops_free): Do not free dfs_order and rc_order.
3238 (flow_loops_find): Do not set dfs_order and rc_order in loops
3239 structure. Do not call loops and flow info verification.
3240 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
3241 already belongs to some loop.
3242 * cfgloop.h (struct loops): Remove struct cfg.
3243 (current_loops, loop_split_edge_with): Declaration removed.
3244 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
3245 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
3246 Declaration removed.
3247 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
3248 * basic-block.h (split_edge_and_insert): Declare.
3249 * tree-cfg.c (remove_bb): Do not update loops explicitly.
3251 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3253 PR tree-optimization/29801
3254 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
3255 (get_default_value): Use get_symbol_constant_value.
3256 (set_lattice_value): ICE when the value of the constant is
3258 (visit_assignment): Ignore VDEFs of read-only variables.
3260 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3262 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
3264 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3265 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
3267 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3269 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
3270 select subvars of var.
3272 2006-11-17 Jakub Jelinek <jakub@redhat.com>
3275 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
3276 optimize if DEF doesn't have integral type.
3278 2006-11-16 Mike Stump <mrs@apple.com>
3280 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
3281 pre-darwin9 system, unless the user asks for it directly.
3282 (PREFERRED_DEBUGGING_TYPE): Likewise.
3283 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3284 * config.gcc: Add suppport for darwin9.h.
3285 * config/darwin9.h: Add.
3286 * doc/install.texi (Specific): Clarify darwin documentation.
3288 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3290 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
3291 optimizing for size.
3293 2006-11-16 Mike Stump <mrs@apple.com>
3295 * Makefile.in (targhooks.o): Add $(OPTABS_H).
3297 2006-11-16 Dirk Mueller <dmueller@suse.de>
3299 * tree-vrp.c (get_value_range): Use XCNEW instead
3301 (insert_range_assertions): Use XCNEWVEC instead
3302 of XNEWVEC and memset.
3303 (vrp_initialize): Same.
3304 (vrp_finalize): Same.
3305 * tree-ssa-ccp.c (ccp_initialize): Same.
3306 * predict.c (tree_bb_level_predictions): Same.
3307 * calls.c (expand_call): Same.
3308 * tree-ssa-copy.c (init_copy_prop): Same.
3309 (fini_copy_prop): Same.
3310 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
3311 of GGC_NEW and memset.
3313 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
3316 * gimplify.c (gimplify_expr): Only force a load for references to
3317 non-BLKmode volatile values.
3318 * doc/implement-c.texi (Qualifiers implementation): Document the
3319 interpretation of what a volatile access is.
3320 * doc/extend.texi (C++ Extensions): Rework same documentation.
3322 2006-11-16 Joseph Myers <joseph@codesourcery.com>
3324 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
3327 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3329 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
3331 (arm_neg_abssi2): Renamed from neg_abssi2.
3332 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
3334 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
3336 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
3337 number of arguments passed to local functions in SSE registers is 3.
3339 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
3340 number of arguments passed in SSE registers to 3.
3342 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3345 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
3347 (get_last_bb_insn): ... new global function.
3348 (basic_block.h): Declare it.
3349 * haifa-sched.c (create_recovery_block): Use it.
3351 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
3354 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
3356 2006-11-15 Paul Brook <paul@codesourcery.com>
3358 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
3359 _Unwind_GetTextRelBase): Move from here ...
3360 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
3361 _Unwind_GetTextRelBase): ... To here.
3363 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3365 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
3366 addresses we generate for testing are aligned.
3368 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
3371 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
3372 to what is the const decl is a place holder for.
3374 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
3376 * config/i386/i386.opt: New target option -mx87regparm.
3378 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
3379 and float_in_x87 variables. mmx_words, sse_words: Remove.
3380 (X87_REGPARM_MAX): Define.
3382 * config/i386/i386.c (override_options): Error out for
3383 -mx87regparm but no 80387 support.
3384 (ix86_attribute_table): Add x87regparm.
3385 (ix86_handle_cconv_attribute): Update comments for x87regparm.
3386 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
3387 (ix86_function_x87regparm): New function.
3388 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
3390 (init_cumulative_args): Initialize x87_nregs and float_in_x87
3392 (function_arg_advance): Process x87_nregs and x87_regno when
3393 floating point argument is to be passed in 80387 register.
3394 (function_arg): Pass XFmode arguments in 80387 registers for local
3395 functions. Pass SFmode and DFmode arguments to local functions
3396 in 80387 registers when flag_unsafe_math_optimizations is set.
3398 * reg-stack.c (convert_regs_entry): Disable NaN load for
3399 stack registers that are used for argument passing.
3401 * doc/extend.texi: Document x87regparm function attribute.
3402 * doc/invoke.texi: Document -mx87regparm.
3404 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3406 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
3407 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
3408 arg MODE; all callers changed. Use it to determine validity per
3409 machine mode instead of using Pmode for all memory references.
3410 (get_address_cost): Likewise add and use new arg MEM_MODE.
3412 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
3413 J"orn Rennecke <joern.rennecke@st.com>
3415 * combine.c (likely_spilled_retval_1): Fix masking operation.
3416 (likely_spilled_retval_p): Use proper pattern for call to
3417 likely_spilled_retval_1.
3419 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3421 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
3423 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
3424 that tests for CONSTANT_POOL_ADDRESS_P.
3426 2006-11-15 Jakub Jelinek <jakub@redhat.com>
3428 PR tree-optimization/29581
3429 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
3430 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
3431 type is different between Y and USE, create a temporary
3432 variable, initialize it at the beginning of the body bb
3433 and use it as replacement instead of Y.
3435 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
3438 * gimplify.c (fold_indirect_ref_rhs): Use
3439 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
3441 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
3443 * expmed.c (emit_store_flag_1): New function.
3444 (emit_store_flag): Call it. If we can't find a suitable scc insn,
3446 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
3447 Use do_compare_rtx_and_jump.
3448 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
3449 * arm.md (cstoresi4): New define_expand.
3450 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
3451 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
3452 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
3454 2006-11-14 Caroline Tice <ctice@apple.com>
3456 * dwarf2out.c (debug_pubtypes_section): New static global variable.
3457 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
3459 (pubname_table): Redefine as a vector.
3460 (pubtype_table): New static global variable, defined as a vector.
3461 (pubname_table_allocated): Remove static global variable.
3462 (pubname_table_in_use): Remove static global variable.
3463 (PUBNAME_TABLE_INCREMENT): Remove constant.
3464 (size_of_pubnames): Add parameter to deal with either pubnames or
3465 pubtypes, and change code to deal with table being a vector.
3466 (add_pubname): Change to deal with table being a vector.
3467 (add_pubtype): New function.
3468 (output_pubnames): Add parameter to deal with either pubnames or
3469 pubtypes, and change code to deal with table being a vector.
3470 (gen_array_type_die): Add call to add_pubtype.
3471 (gen_enumeration_type_die): Add call to add_pubtype.
3472 (gen_struct_or_union_type_die): Add call to add_pubtype.
3473 (gen_subroutine_type_die): Add call to add_pubtype.
3474 (gen_typedef_die): Add call to add_pubtype.
3475 (dwarf2out_init): Add code to initialize pubname_table and
3476 pubtype_table vectors; also initialize debug_pubtypes_section.
3477 (prune_unused_types): Change to deal with pubnames being a vector.
3478 (dwarf2out_finish): Change to deal with pubnames being a vector; add
3479 pubnames table to call to output_pubnames; Add code to output pubtypes
3480 table if DEBUG_PUBTYPES_SECTION is defined.
3481 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
3483 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
3485 2006-11-14 Joseph Myers <joseph@codesourcery.com>
3487 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
3488 iwmmxt_nregs if TARGET_IWMMXT_ABI.
3489 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
3490 movv2si_internal): Support moves between core registers.
3492 2006-11-14 Eric Christopher <echristo@apple.com>
3494 * configure: Regenerate with autoconf 2.59.
3496 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
3498 Fix PR tree-optimization/27755
3500 * tree-ssa-pre.c: Update comments.
3501 (bb_bitmap_sets): Add pa_in and deferred member.
3502 (BB_DEFERRED): New macro.
3503 (maximal_set): New variable.
3504 (pre_stats): Add pa_insert member.
3505 (bitmap_set_and): Short circuit orig == dest.
3506 (bitmap_set_subtract_values): New function.
3507 (bitmap_set_contains_expr): Ditto.
3508 (translate_vuses_through_block): Add phiblock argument.
3509 (dependent_clean): New function.
3510 (compute_antic_aux): Update for maximal_set changes.
3511 (compute_partial_antic_aux): New function.
3512 (compute_antic): Handle partial anticipation.
3513 (do_partial_partial_insertion): New function.
3514 (insert_aux): Handle partial anticipation.
3515 (add_to_sets): Add to maximal set.
3516 (compute_avail): Ditto.
3517 (init_pre): Initialize maximal_set.
3518 (execute_pre): Do partial anticipation if -O3+.
3520 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
3522 PR rtl-optimization/29798
3524 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
3525 TARGET_INSN before any other check.
3526 (fwprop_init): Always calculate dominators.
3527 (fwprop_done): Always free them.
3529 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3531 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
3534 2006-11-13 DJ Delorie <dj@redhat.com>
3536 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
3537 temporary for intermediates.
3539 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
3541 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
3542 (sh_optimize_target_register_callee_saved): #if 0 the code
3543 using NOTE_INSN_LOOP_{BEG,END}.
3545 2006-11-13 Roger Sayle <roger@eyesopen.com>
3547 * fold-const.c (optimize_bit_field_compare): Recursively call
3548 fold when simplifying non-constant comparisons between bit-fields.
3550 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3552 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
3554 * configure: Rebuilt.
3556 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
3558 * config/rs6000/cell.md: New file.
3559 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
3561 (ppccell_cost): New cost matrix.
3562 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
3563 (rs6000_override_options): Set rs6000_always_hint to false
3564 for cell. Also align functions/lables/loops to 8byte
3565 for the Cell. Use PROCESSOR_CELL.
3566 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
3567 using_mtcr_multiple.
3568 (rs6000_variable_issue): If the insn is a nonpipelined instruction
3569 on the Cell, return 0.
3570 (rs6000_adjust_cost): Add Cell cost adjustments.
3571 (is_microcoded_insn): Return true for Cell microcoded
3573 (is_nonpipeline_insn): New function.
3574 (rs6000_issue_rate): Add PROCESSOR_CELL.
3575 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
3577 (rs6000_use_sched_lookahead_guard): New function.
3578 (rs6000_sched_reorder): Reorder the ready list, if the second
3579 to last ready insn is a nonepipeline insn on the Cell.
3580 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
3581 (ASM_CPU_SPEC): Add Cell.
3582 * config/rs6000/rs6000.md (cpu): Add Cell.
3583 (cell_micro): New Attr.
3586 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3588 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
3590 * configure: Rebuilt.
3592 2006-11-13 Richard Guenther <rguenther@suse.de>
3594 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
3596 (ix86_expand_lfloorceil): Likewise.
3597 (ix86_expand_rint): Likewise.
3598 (ix86_expand_floorceildf_32): Likewise.
3599 (ix86_expand_floorceil): Likewise.
3600 (ix86_expand_rounddf_32): Likewise.
3601 (ix86_expand_truncdf_32): Likewise.
3602 (ix86_expand_round): Likewise.
3604 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3605 Mark Mitchell <mark@codesourcery.com>
3607 * gcc.c: Organize search path variables into $prefix relative,
3608 and well-known native. Add comments.
3609 (add_sysrooted_prefix): Add comment.
3610 (process_command): If !gcc_exec_prefix add $prefix based paths.
3611 If *cross_compile == '0', add native well-known paths.
3612 Assert tooldir_base_prefix is always relative.
3613 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3614 use this value for 'install:' path.
3615 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3617 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3619 * config/i386/i386.c: Fix a typo in comment.
3621 2006-11-13 Michael Matz <matz@suse.de>
3623 * genemit.c (gen_expand): Allocate enough memory.
3625 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3627 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3628 __GXX_TYPEINFO_EQUALITY_INLINE but not
3629 __GXX_MERGED_TYPEINFO_NAMES.
3630 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3631 __GXX_MERGED_TYPEINFO_NAMES.
3632 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3633 __GXX_TYPEINFO_EQUALITY_INLINE.
3635 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3636 Zdenek Dvorak <dvorakz@suse.cz>
3638 PR tree-optimization/29680
3639 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3642 2006-11-12 Jason Merrill <jason@redhat.com>
3643 Andrew Pinski <pinskia@physics.uc.edu>
3646 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3648 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3650 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3651 * tree.c (build_vector): Handle non-_CST elements.
3653 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3655 * genemit.c (gen_insn): Call gen_exp with a non-null used
3656 when handling multiple insns.
3657 (gen_expand): Likewise.
3658 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3659 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3660 (movsi_const_16bit+1): Copy operands[1].
3661 (call_pcrel): Copy the call_site pattern.
3662 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3664 2006-11-12 Roger Sayle <roger@eyesopen.com>
3666 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3667 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3668 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3669 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3671 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3673 Fix PR tree-optimization/29587
3674 * tree-ssa-structalias.c (process_constraint): Don't
3675 mark address taken due only to escaped vars constraint.
3677 2006-11-12 Michael Matz <matz@suse.de>
3678 Roger Sayle <roger@eyesopen.com>
3680 PR rtl-optimization/29797
3681 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3682 BITS_BIG_ENDIAN targets.
3684 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3686 * builtins.c (fold_builtin_cosh): New.
3687 (fold_builtin_1): Use it.
3688 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3689 trunc to the list of "odd" functions. Also add llrint, lrint,
3690 rint and nearbyint when flag_rounding_math is false.
3692 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3694 * tree-flow.h (name_mappings_registered_p): Declare.
3695 * tree-into-ssa.c (name_mappings_registered_p): New function.
3696 * tree-cfg.c (tree_can_merge_blocks_p): Check
3697 name_mappings_registered_p instead of need_ssa_update_p.
3699 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3701 * tree-ssa-loop.c (tree_vectorize): Return the result of
3703 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3704 if anything changed.
3705 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3706 * tree-flow.h (vectorize_loops): Declaration changed.
3708 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3710 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3712 (issue_prefetch_ref): Move assignment to write_p out of loop.
3713 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3714 SIMULTANEOUS_PREFETCHES into account.
3715 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3716 * lambda-code.c (lcm): Renamed to ...
3717 (least_common_multiple): ... and exported.
3718 * tree-flow.h (least_common_multiple): Declare.
3720 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3722 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3723 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3724 ud-chains. Handle AND_EXPR.
3725 (record_estimate): Record whether the estimate is realistic
3726 and whether it is derived from a loop exit.
3727 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3728 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3730 (compute_estimated_nb_iterations): Take only realistic bounds into
3731 account. Set estimate_state. Use double_ints.
3732 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3733 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3734 that do not have to be always executed.
3735 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3736 to determine whether to call infer_loop_bounds_from_undefined
3737 and compute_estimated_nb_iterations.
3738 (n_of_executions_at_most): Use double_ints.
3739 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3740 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3741 * double-int.c (double_int_to_tree): Improve comment.
3742 (double_int_fits_to_tree_p): New function.
3743 * double-int.h (double_int_fits_to_tree_p): Declare.
3744 * tree-data-ref.c: Include langhooks.h.
3745 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3746 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3747 (analyze_array): Do not pass estimate_only argument to
3748 analyze_array_indexes.
3749 (get_number_of_iters_for_loop): Build tree from the stored double_int
3751 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3752 (find_data_references_in_loop): Use find_data_references_in_stmt.
3753 * tree-data-ref.h (struct data_ref_loc_d): New.
3754 (get_references_in_stmt): Declare.
3755 (estimate_iters_using_array): Declaration removed.
3756 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3757 double_int. Improve comments. Add is_exit and realistic
3759 (struct loop): Changed type of estimated_nb_iterations to double_int.
3760 Added estimate_state field.
3761 (record_estimate): Declaration removed.
3763 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3765 * params.c (set_param_value): Initialize the "set" field.
3766 * params.h (struct param_info): Add "set" field.
3767 (PARAM_SET_P): New macro.
3768 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3769 L1_CACHE_LINE_SIZE): New macros.
3770 * toplev.c (DEFPARAM): Initialize the "set" field.
3771 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3772 SIMULTANEOUS_PREFETCHES): Removed.
3773 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3774 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3775 * config/sparc/sparc.c: Include params.h.
3776 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3777 L1_CACHE_LINE_SIZE parameters.
3778 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3780 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3782 * config/i386/i386.c: Include params.h.
3783 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3784 (override_options): Set SIMULTANEOUS_PREFETCHES and
3785 L1_CACHE_LINE_SIZE parameters.
3786 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3787 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3788 L1_CACHE_LINE_SIZE parameters.
3789 * config/ia64/ia64.c (ia64_optimization_options): Set
3790 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3791 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3793 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3794 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3795 * doc/invoke.texi: Document new params.
3797 2006-11-12 Roger Sayle <roger@eyesopen.com>
3799 PR tree-optimization/13827
3800 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3803 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3805 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3806 update_single_exit_for_duplicated_loops): New functions.
3807 (duplicate_loop_to_header_edge): Use
3808 update_single_exit_for_duplicated_loops.
3809 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3810 functions only with ENABLE_CHECKING.
3812 2006-11-12 Andreas Schwab <schwab@suse.de>
3814 * except.c (sjlj_emit_function_enter): Remove unused variable.
3816 2006-11-11 Roger Sayle <roger@eyesopen.com>
3818 * fold-const.c (int_binop_types_match_p): New function.
3819 (size_binop): Relax constraint that both arguments must both have
3820 exactly the same sizetype type. Instead use int_binop_types_match_p.
3821 (size_diffop): Likewise.
3823 (make_range): Use build_int_cst instead of fold_convert.
3824 (fold_cond_expr_with_comparison): Use build_int_cst to construct
3825 integer constants of the correct type.
3826 (fold_div_compare): Likewise.
3827 (fold_single_bit_test): Likewise.
3828 (fold_binary): Likewise.
3829 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
3830 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
3832 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3835 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
3836 non null value if the struct memory access is in the 0th
3839 2006-11-12 Jie Zhang <jie.zhang@analog.com>
3842 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3843 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3846 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
3847 instead of builtin_define for bfin and BFIN.
3849 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3851 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3854 2006-11-11 Jan Hubicka <jh@suse.cz>
3856 * extend.texi (__builtin_expect): We no longer require second argument
3858 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
3859 * builtins.c (expand_builtin_expect): Simplify.
3860 (expand_builtin_expect_jump): Kill.
3861 * final.c (final_scan_insn): Do not skip the removed notes.
3862 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
3863 EXPECTED_VALUE): Remove.
3864 * dojump.c (do_jump): Do not care about __builtin_expect.
3865 * predict.c (expected_value_to_br_prob): Kill.
3866 * function.c (expand_function_end): Do not expand
3867 NOTE_INSN_REPEATED_LINE_NUMBER.
3868 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
3869 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
3870 * cfgexpand.c (add_reg_br_prob_note): Export.
3871 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3872 expected_value_to_br_prob.
3873 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
3874 * rtl.h (add_reg_br_prob_note): Declare.
3876 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3878 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
3880 2006-11-11 Jan Hubicka <jh@suse.cz>
3882 * predict.c (predict_loops): Kill RTL variant.
3884 2006-11-11 Jan Hubicka <jh@suse.cz>
3886 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
3887 * modulo-sched.c (find_line_note): Remove.
3888 (loop_canon_p): Do not worry about line number notes.
3889 (sms_schedule): Likewise.
3890 * cse.c (cse_main): Likewise.
3891 * regmove.c (fixup_match_1): Likewise
3892 * function.c (emit_return_info_block): Likewise.
3893 (expand_function_end): Likewise.
3894 (thread_prologue_an_epilogue_insns): Likewise.
3895 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
3897 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
3898 emit_note_copy_after): Kill.
3899 (emit_note_copy): Do not worry about line numbers.
3900 * jump.c (purge_line_number_notes): Kill.
3901 (pass_purge_lineno_notes): Kill.
3902 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
3904 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
3905 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
3906 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
3907 * tree-pass.h (pass_purge_lineno_notes): Kill.
3908 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
3909 rm_redundant_line_notes.
3910 * sched-rgb.c (schedule_region): Don't rm_line_notes,
3911 rm_redundant_line_notes.
3912 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
3913 * haifa-sched.c: Update comment about handling notes.
3914 (unlink_line_notes): Kill.
3915 (rm_line_notes): Kill.
3916 (save_line_notes): Simplify.
3917 (rm_redundant_line_notes): Kill.
3919 2006-11-11 Richard Guenther <rguenther@suse.de>
3921 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
3922 Remove unused tree codes.
3923 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
3924 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
3925 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3926 * tree.c (stabilize_reference): Likewise.
3927 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
3928 fold_unary): Likewise.
3929 * tree-gimple.c (is_gimple_cast): Likewise.
3930 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
3931 * expr.c (expand_expr_real_1): Likewise.
3932 * tree-eh.c (tree_could_trap_p): Likewise.
3933 * gimplify.c (gimplify_expr): Likewise.
3934 * tree-inline.c (estimate_num_insns_1): Likewise.
3935 * tree-cfg.c (verify_expr): Likewise.
3937 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3939 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
3940 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
3941 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
3943 2006-11-11 Richard Sandiford <richard@codesourcery.com>
3946 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
3947 constraints accept neither registers or memories.
3949 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3951 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
3952 (NO_PROFILE_COUNTERS): Define as 1.
3954 2006-11-10 Roger Sayle <roger@eyesopen.com>
3956 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
3957 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
3959 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
3961 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
3963 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3965 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
3966 (fold_builtin_hypot): Likewise.
3967 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
3969 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
3971 2006-11-10 Roger Sayle <roger@eyesopen.com>
3973 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
3974 when attempting to build INTEGER_CSTs of non-integral types.
3975 * expmed.c (make_tree): Use the correct type, i.e. the inner
3976 type, when constructing the individual elements of a CONST_VECTOR.
3978 2006-11-10 Jan Hubicka <jh@suse.cz>
3980 * cse.c (cse_process_notes): Copy the propagated value.
3981 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
3983 * gcse.c (try_replace_reg): Copy the replacement.
3984 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
3985 (assign_386_stack_local): Always return copied memory expression
3986 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
3989 2006-11-10 Jan Hubicka <jh@suse.cz>
3991 * final.c (final): Walk from first instruction.
3992 * cfglayout.c (insn_locators_initialize): Remove line number notes.
3994 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
3997 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
3999 (umulv8hi3_highpart): Ditto.
4000 (vec_widen_smult_hi_v8hi): New expander.
4001 (vec_widen_smult_lo_v8hi): Ditto.
4003 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4006 * builtins.c (do_mpfr_arg3): New.
4007 (fold_builtin_1): Handle builtins fma, fmin and fmax.
4009 2006-11-09 Eric Christopher <echristo@apple.com>
4014 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
4015 * config.gcc (powerpc64-*-darwin*): New target.
4016 * config.host: Ditto.
4017 * config/rs6000/darwin64.h: New file.
4018 * config/rs6000/x-darwin64: Ditto.
4019 * config/rs6000/host-ppc64-darwin.c: Ditto.
4021 2006-11-09 Steve Ellcey <sje@cup.hp.com>
4023 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
4024 routines for integer division.
4026 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
4028 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
4030 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4033 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
4035 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4037 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
4038 simplify_subreg with BLKmode outer mode.
4040 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
4042 * doc/invoke.texi: Minor formatting fixes in option lists.
4044 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
4046 PR tree-optimization/29738
4047 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
4048 (ccp_lattice_t): Remove UNKNOWN_VAL.
4049 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
4050 Do not handle UNKNOWN_VAL.
4051 (get_default_value): Set initial value of virtual operands to
4053 (get_value): Always use get_default_value on uninitialized
4055 (set_value_varying, surely_varying_stmt_p): New functions.
4056 (set_lattice_value): Do not pass argument to get_value.
4057 Do not handle UNKNOWN_VAL.
4058 (likely_value): Follow the semantics described in the comment.
4059 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
4060 phi nodes DONT_SIMULATE_AGAIN.
4061 (ccp_fold): Do not pass argument to get_value.
4062 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
4065 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4067 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4068 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
4070 2006-11-08 Roger Sayle <roger@eyesopen.com>
4072 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
4073 test for inclusion rather than as a test for exclusion.
4074 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
4075 the condition after calling fold_binary.
4076 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
4077 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
4078 * builtins.c (fold_builtin_isascii): Likewise.
4079 (fold_builtin_isdigit): Likewise.
4081 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
4083 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
4084 * configure: Regenerate.
4086 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4088 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
4089 enum argument instead of bool.
4090 (vect_analyze_operations): Call vectorizable_type_promotion.
4091 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
4092 stmt_vec_info_type value.
4093 (supportable_widening_operation, vectorizable_type_promotion): New
4094 function declarations.
4095 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
4096 (vectorizable_type_promotion): New function.
4097 (vect_transform_stmt): Call vectorizable_type_promotion.
4098 * tree-vect-analyze.c (supportable_widening_operation): New function.
4099 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
4101 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4104 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
4105 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
4106 * tree-inline.c (estimate_num_insns_1): Add cases for above new
4108 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4109 * expr.c (expand_expr_real_1): Likewise.
4110 * optabs.c (optab_for_tree_code): Likewise.
4111 (init_optabs): Initialize new optabs.
4112 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
4113 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
4114 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
4115 vec_unpacku_lo_optab): Initialize new optabs.
4116 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
4117 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
4118 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
4120 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
4121 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
4122 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
4123 (vec_unpacku_lo_optab): New optabs.
4124 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
4125 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
4126 (vec_widen_smult_hi, vec_widen_smult_lo): New.
4127 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
4128 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
4129 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
4131 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
4132 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
4133 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
4134 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
4135 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
4136 implement the unsigned unpacking patterns.
4137 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
4138 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
4139 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
4140 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
4141 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
4142 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
4143 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
4144 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
4145 multiplication patterns.
4147 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
4148 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
4149 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4150 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
4151 (rs6000_builtin_mul_widen_odd): New.
4152 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
4153 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
4154 * tree-vectorizer.h (enum vect_relevant): New enum type.
4155 (_stmt_vec_info): Field relevant chaned from bool to enum
4157 (STMT_VINFO_RELEVANT_P): Updated.
4158 (STMT_VINFO_RELEVANT): New.
4159 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
4160 instead of STMT_VINFO_RELEVANT_P.
4161 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
4162 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
4163 and boolean variable with enum vect_relevant.
4164 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
4165 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
4166 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4168 2006-11-08 Richard Henderson <rth@redhat.com>
4170 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
4171 vec_widen_umult_lo_v8hi): New.
4172 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
4173 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
4175 * config/i386/i386.c (ix86_expand_sse_unpack): New.
4176 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
4177 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
4178 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
4179 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
4180 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
4181 vec_unpacks_lo_v4si): New.
4183 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4185 * tree-vect-transform.c (vectorizable_type_demotion): New function.
4186 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
4187 (vect_analyze_operations): Call vectorizable_type_demotion.
4188 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
4189 stmt_vec_info_type value.
4190 (vectorizable_type_demotion): New function declaration.
4191 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4194 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
4195 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
4197 * tree-iniline.c (estimate_num_insns_1): Likewise.
4198 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4199 * optabs.c (optab_for_tree_code): Likewise.
4201 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
4202 compared against the predicate of the result is not 'mode' (the input
4203 to the function) but a mode with half the size of 'mode'.
4204 (init_optab): Initialize new optabs.
4205 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
4207 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
4209 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
4210 (vec_pack_usat_optab): Initialize new optabs.
4211 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
4212 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
4214 2006-11-08 Richard Henderson <rth@redehat.com>
4216 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
4217 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
4218 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
4219 (vec_interleave_highv4si, vec_interleave_lowv4si):
4220 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
4222 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4224 * tree-vect-transform.c (vectorizable_reduction): Support multiple
4226 (vect_transform_stmt): Removed redundant code.
4228 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4230 * tree-vect-transform.c (vectorizable_operation): Support multiple
4233 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4235 * tree-vect-transform.c (vect_align_data_ref): Removed.
4236 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
4237 Updated function documentation. Return the increment stmt in ptr_incr.
4238 (bump_vector_ptr): New function.
4239 (vect_get_vec_def_for_stmt_copy): New function.
4240 (vect_finish_stmt_generation): Create a stmt_info to newly created
4242 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
4244 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
4245 VF is greater than the number of elements that can fit in one vector
4247 (vectorizable_operation, vectorizable_condition): Likewise.
4248 (vectorizable_store, vectorizable_load): Support the case that the VF
4249 is greater than the number of elements that can fit in one vector word.
4250 (vect_transform_loop): Don't fail in case of multiple data-types.
4251 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
4252 in case of multiple data-types; the smallest type determines the VF.
4253 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
4254 if they are of different sizes.
4255 (vect_update_misalignment_for_peel): Compare misalignments in terms of
4256 number of elements rather than number of bytes.
4257 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
4258 (vect_can_advance_ivs_p): Fix a dump printout
4260 2006-11-07 Eric Christopher <echristo@apple.com>
4262 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
4263 (__bswapsi2): Ditto.
4264 * libgcc2.h: Remove transformation of bswap routines.
4265 * config/i386/i386.md (bswapsi2): New.
4268 2006-11-07 Jakub Jelinek <jakub@redhat.com>
4270 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
4271 (handle_gnu_inline_attribute): New function.
4272 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
4273 (merge_decls, start_decl, start_function): Likewise.
4274 * doc/extend.texi: Document gnu_inline attribute.
4276 2006-11-07 Steve Ellcey <sje@cup.hp.com>
4279 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
4280 _fixunstfdi, and _floatditf
4282 2006-11-06 Anatoly Sokolov <aesok@post.ru>
4284 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
4286 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
4287 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
4288 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
4289 which start in an odd register.
4291 2006-11-07 Richard Sandiford <richard@codesourcery.com>
4293 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
4295 2006-11-07 Josh Conner <jconner@apple.com>
4297 * doc/invoke.texi (fstrict-aliasing): Move implementation
4299 * doc/tree-ssa.texi (Alias analysis): ...here.
4301 2006-11-07 Richard Guenther <rguenther@suse.de>
4303 PR tree-optimization/29610
4304 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
4305 of tree_purge_dead_eh_edges as it may free dominators.
4307 * g++.dg/other/pr29610.C: New testcase.
4309 2006-11-07 David Ung <davidu@mips.com>
4311 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
4312 costs when optimizing for size.
4313 (override_options): Use mips_rtx_cost_optimize_size table for cost
4316 2006-11-07 Jie Zhang <jie.zhang@analog.com>
4318 * gcc.c (process_command): Treat -b as normal switch if its argument
4321 2006-11-07 David Ung <davidu@mips.com>
4323 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
4326 2006-11-06 Eric Christopher <echristo@apple.com>
4328 * config.gcc: Add x86_64-darwin host support.
4329 * config.host: Ditto.
4330 * config/i386/darwin64.h: New file.
4331 * config/i386/t-darwin64: Ditto.
4333 2006-11-06 Janis Johnson <janis187@us.ibm.com>
4335 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
4336 and output-exists-not.
4338 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4341 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
4342 checking for overflow.
4344 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
4346 * configure.ac: Fixed typo in case statement: :: changed to ;;
4348 2006-11-06 Bob Wilson <bob.wilson@acm.org>
4350 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
4351 count_leading_zeros, and count_trailing_zeros.
4352 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
4353 (TARGET_FOLD_BUILTIN): Define.
4354 (TARGET_EXPAND_BUILTIN): Define.
4355 (xtensa_init_builtins): New.
4356 (xtensa_fold_builtin): New.
4357 (xtensa_expand_builtin): New.
4358 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
4359 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
4360 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4361 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
4362 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
4363 (any_extend): New code macro.
4364 (u, su): New code attributes.
4365 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
4366 (nsau): Remove; replaced by clzsi2.
4367 (ffssi2): Use clzsi2.
4368 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
4369 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
4370 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
4371 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
4372 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
4374 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
4376 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
4378 * config/arm/t-strongarm-elf: Likewise.
4379 * config/arm/t-pe: Likewise.
4380 * config/arm/t-arm-elf: Likewise.
4381 * config/arm/t-xscale-elf: Likewise.
4382 * config/arm/t-arm-coff: Likewise.
4383 * config/arm/t-xscale-coff: Likewise.
4384 * config/arm/t-wince-pe: Likewise.
4386 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
4388 * config/sh/lib1funcs-4-300.asm: Guard entire file with
4391 2006-11-05 Jakub Jelinek <jakub@redhat.com>
4394 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
4397 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4400 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
4401 as a valid 80387 constant.
4402 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
4403 * config/i386/i386.md (unnamed splitter): Split the load of
4404 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
4407 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
4409 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
4410 from the soft-frame, argument and virtual registers.
4412 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4414 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
4415 patterns for standard 80387 constants.
4417 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
4418 Steven Bosscher <steven@gcc.gnu.org>
4420 * fwprop.c: New file.
4421 * Makefile.in: Add fwprop.o.
4422 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
4423 * passes.c (init_optimization_passes): Schedule forward propagation.
4424 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
4426 * timevar.def (TV_FWPROP): New.
4427 * common.opt (-fforward-propagate): New.
4428 * opts.c (decode_options): Enable forward propagation at -O2.
4429 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
4430 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
4431 canon_for_address, table_size): Remove.
4432 (new_basic_block, insert, remove_from_table): Remove references to
4434 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
4435 simplification loop more straightforward by not calling fold_rtx
4437 (equiv_constant): Move here a small part of fold_rtx_subreg,
4438 do not call fold_rtx. Call avoid_constant_pool_reference
4440 * recog.h (canonicalize_change_group): New.
4442 * doc/invoke.texi (Optimization Options): Document fwprop.
4443 * doc/passes.texi (RTL passes): Document fwprop.
4445 2006-11-03 Geoffrey Keating <geoffk@apple.com>
4447 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
4448 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
4449 (grokdeclarator): Likewise.
4451 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
4453 * tree-dump.c (dump_enable_all): Rename local variable
4454 ir_type to avoid name conflicts.
4455 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
4456 instead of using ir_type().
4457 * profile.c (tree_register_profile_hooks): Likewise.
4458 * value-prof.c (tree_register_value_prof_hooks): Likewise.
4459 * basic-block.h (struct edge_def): Likewise.
4460 * config/arm/arm.c (legitimize_pic_address): Likewise.
4461 * coretypes.h (ir_type): New enum of all intermediate languages
4463 * cfghooks.c (ir_type): Rename to...
4464 (current_ir_type): ...this. Distinguish between cfgrtl and
4465 cfglayout mode when the current IR is RTL. Return enum ir_type.
4466 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
4468 2006-11-03 Paul Brook <paul@codesourcery.com>
4470 * config/arm/arm.c (arm_file_start): New function.
4471 (TARGET_ASM_FILE_START): Define.
4472 (arm_default_cpu): New variable.
4473 (arm_override_options): Set arm_default_cpu.
4475 2006-11-03 David Ung <davidu@mips.com>
4477 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
4478 PROCESSOR_24KC and PROCESSOR_24KF.
4479 * config/mips/mips.c (mips_cpu_info_table): Add processor names
4480 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
4481 (mips_rtx_cost_data): Add costs for the 24kc.
4482 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
4483 * config/mips/24k.md: Remove references to 24k and replace with
4484 uses of 24kc/24kf in the appropriate reservations.
4485 * doc/invoke.texi (MIPS Options): Updated.
4487 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4489 * config/sh/crt1.asm: Fix #ifdef indent.
4491 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4492 Merged from STMicroelectronics sources:
4493 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
4494 * config/sh/crt1.asm (vbr_600): Add missing #if.
4495 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
4496 * sh.opt (mfused-madd): New option.
4497 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
4498 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4499 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
4500 Remove pointless handler at VBR+0.
4501 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
4502 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
4503 fr7. Make sure the timer handler is called with the correct FPU
4504 precision setting, according to the ABI.
4505 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
4506 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
4507 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
4508 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
4509 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
4510 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
4511 zero as second operand.
4512 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
4513 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4514 Fixed some bugs related to negative values, in particular -0
4515 and overflow at -0x80000000.
4516 * config/sh/divcost-analysis: Added sh4-300 figures.
4517 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
4518 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
4519 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
4520 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
4521 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
4522 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4524 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
4526 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
4527 SH4-300 scheduling description & fixes to SH4-[12]00 description:
4528 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
4529 mac_mem, mem_mac, dfp_mul, fp_cmp.
4530 (insn_class, dfp_comp, any_fp_comp): Update.
4531 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
4532 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
4533 (muldf3_i): Likewise.
4534 (movsi_i): Split rI08 alternative into two separate alternatives.
4536 (movsi_ie, movsi_i_lowpart): Likewise.
4537 (movqi_i): Split ri alternative into two separate alternatives.
4539 * sh1.md (sh1_load_store, sh1_fp): Update.
4540 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
4541 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
4542 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
4543 (sh4a_fp_double_arith): Likewise.
4544 * sh4-300.md: New file.
4545 * sh.c (sh_handle_option): Handle m4-300* options.
4546 (sh_adjust_cost): Fix latency of auto-increments.
4547 Handle SH4-300 differently than other SH4s. Check for new insn types.
4548 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
4549 been set by an option.
4550 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
4551 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
4552 (mbranch-cost=): Likewise.
4553 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
4555 * sh.md (mulsf3): Remove special expansion code.
4556 (mulsf3_ie): Now a define_insn_and_split.
4557 (macsf3): Allow for TARGET_SH4.
4559 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
4560 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
4561 (expand_cbranchdi4): Likewise.
4562 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
4563 CONST_DOUBLE if the outer code is COMPARE.
4564 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
4565 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
4566 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
4567 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
4568 Remove redundant fp_{zero,one}_operand checks.
4569 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
4570 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
4571 (expand_cbranchdi4): Likewise.
4572 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
4573 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
4575 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
4577 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
4580 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
4582 * doc/invoke.texi: Fix mfp-trap-mode typo.
4584 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
4586 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
4587 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
4588 file_end_indicate_exec_stack.
4589 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
4591 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
4592 for a non-executable stack.
4593 * crti.asm: Likewise.
4594 * crtn.asm: Likewise.
4595 * libunwind.S: Likewise.
4597 2006-11-02 Ben Elliston <bje@au.ibm.com>
4599 * tree-ssa.c (warn_uninit): Use expand_location variables for
4600 locus and declaration locus.
4602 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4605 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4606 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4607 cmp{eq,gt,gtu}{si,di}_media.
4608 (*cmpne0si_media): Remove.
4609 (*movsicc_umin): Adjust gen_cmp*_media call.
4610 (unordered): Change the mode of unordered and operands[1] to
4612 (seq): Adjust gen_cmp*_media calls. Make the mode of
4613 a temporary result of compare SImode if needed. If the mode
4614 of operands[0] is DImode, extend the temporary result to DImode.
4615 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4616 (sunorderd): Change the mode of match_operand and unorderd to
4618 (cmpeq{sf,df}_media): Remove.
4619 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4620 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4621 and compare operation to SImode.
4623 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4625 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4627 (sparc64-sun-solaris2*): Likewise.
4629 2006-11-02 Paul Brook <paul@codesourcery.com>
4631 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4632 from priority argument. Use different section for non-default
4634 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4636 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4639 * except.c (switch_to_exception_section): Do not cache the section
4640 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4641 and flag_function_sections is set.
4643 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4646 * builtins.c (do_mpfr_sincos): New.
4647 (fold_builtin_1): Use it to fold builtin sincos.
4649 2006-11-01 Roger Sayle <roger@eyesopen.com>
4651 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4652 it into -D_REENTRANT.
4654 2006-11-01 Roger Sayle <roger@eyesopen.com>
4656 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4657 whether the assembler supports taking the difference of symbols in
4658 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4659 * configure: Regenerate.
4660 * config.in: Regenerate.
4661 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4662 the assembler doesn't support taking the difference of symbols in
4663 different sections, i.e. we're using the native solaris assembler.
4665 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4666 Peter Bergner <bergner@vnet.ibm.com>
4668 * doc/invoke.texi: Add cpu_type power6x
4669 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4670 * config.gcc: Add cpu_type power6x.
4671 * configure.ac: Add test for mf{t,f}gpr instructions.
4672 (HAVE_AS_MFPGPR): New.
4673 * config.in: Regenerate.
4674 * configure: Regenerate.
4675 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4676 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4677 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4678 and mftgpr attributes.
4679 (define_attr "cpu"): Add power6.
4680 Change instruction sequences to use new attributes.
4681 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4682 (fix_truncdfsi2_mfpgpr): New.
4683 (floatsidf_ppc64_mfpgpr): New.
4684 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4685 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4686 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4687 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4688 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4689 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4690 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4691 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4692 cntlz,exts and var_delayed_compare.
4693 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4694 _ARCH_PWR6X, if features enabled.
4695 * config/rs6000/rs6000.opt (mmfpgpr): New.
4696 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4697 (cached_can_issue_more): New variable.
4698 (processor_costs): Add power6_cost.
4699 (rs6000_sched_init): New function.
4700 (is_dispatch_slot_restricted): Deleted.
4701 (set_to_load_agen): New function.
4702 (is_load_insn,is_store_insn): New functions.
4703 (adjacent_mem_locations): New function.
4704 (insn_must_be_first_in_group): New function.
4705 (insn_must_be_last_in_group): New function.
4706 (rs6000_sched_reorder): New function.
4707 (rs6000_sched_reorder2): New function.
4708 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4709 TARGET_SCHED_REORDER2): Define.
4710 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4711 Add power6x. Add MASK_MFPGPR for power6x.
4712 (POWERPC_MASKS): Add MASK_MFPGPR.
4713 (rs6000_override_options): Set rs6000_always_hint to false
4714 for power6. Set rs6000_align_branch_targets. Replace
4715 rs6000_sched_groups check with rs6000_align_branch_targets.
4716 Use PROCESSOR_POWER6.
4717 (last_scheduled_insn): New variable.
4718 (load_store_pendulum): New variable.
4719 (rs6000_variable_issue): Set last_scheduled_insn and
4720 cached_can_issue_more.
4721 (rs6000_adjust_cost): Add power6 cost adjustments.
4722 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4723 with insn_must_be_first_in_group. Add power6 priority adjustments.
4724 (rs6000_issue_rate): Add CPU_POWER6.
4725 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4726 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4727 (TARGET_MFPGPR): New.
4728 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4729 (ASM_CPU_SPEC): Add power6x.
4730 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4732 * config/rs6000/power6.md: New file.
4734 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4736 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4737 HOST_WIDE_INT_PRINT to print high and low parts. Use
4738 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4739 printing a hexadecimal number prefix it with 0x.
4741 2006-11-01 Chris Johns <chris@contemporary.net.au>
4744 * Makefile.in (install-driver): Use exeext when installing
4745 $target-gcc-$version.
4747 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4749 * c-common.c (flag_cpp0x): New.
4750 * c-common.h (flag_cpp0x): New.
4751 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4752 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4753 * c-opts.c (set_std_cxx0x): New.
4754 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4755 * c.opt (std=c++0x): Document.
4756 (std=gnu++0x): Ditto.
4757 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4758 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4760 2006-11-01 Richard Guenther <rguenther@suse.de>
4762 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4764 (ix86_expand_floorceildf_32): Likewise.
4765 (ix86_expand_floorceil): Likewise.
4766 (ix86_expand_trunc): Likewise.
4768 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4770 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4773 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4775 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4777 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4779 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4781 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4782 * configure.ac (use_cxa_atexit): As a special case, don't test
4783 for libc definition of __cxa_atexit on mingw32
4784 * configure: Regenerate.
4785 * config.gcc (i[34567]86-pc-mingw32): Default to
4786 enable__cxa_atexit=yes.
4788 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4790 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4792 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4795 * c-decl.c (start_struct): Don't create self-containing
4797 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4799 * config/rs6000/rs6000-protos.h
4800 (darwin_rs6000_special_round_type_align): New.
4801 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4802 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4804 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4806 * toplev.c (compile_file): Call final_write_globals
4807 even if there have been errors.
4809 2006-10-31 Eric Christopher <echristo@apple.com>
4810 Falk Hueffner <falk@debian.org>
4812 * doc/extend.texi (__builtin_bswap32): Document.
4813 (__builtin_bswap64): Ditto.
4814 * doc/libgcc.texi (bswapsi2): Document.
4816 * doc/rtl.texi (bswap): Document.
4817 * optabs.c (expand_unop): Don't widen a bswap.
4818 (init_optabs): Init bswap. Set libfuncs explicitly
4819 for bswapsi2 and bswapdi2.
4820 * optabs.h (OTI_bswap): New.
4821 (bswap_optab): Ditto.
4822 * genopinit.c (optabs): Handle bswap_optab.
4823 * tree.h (tree_index): Add TI_UINT32_TYPE and
4825 (uint32_type_node): New.
4826 (uint64_type_node): Ditto.
4827 * tree.c (build_common_tree_nodes_2): Initialize
4828 uint32_type_node and uint64_type_node.
4829 * builtins.c (expand_builtin_bswap): New.
4830 (expand_builtin): Call.
4831 (fold_builtin_bswap): New.
4832 (fold_builtin_1): Call.
4833 * fold-const.c (tree_expr_nonnegative_p): Return true
4835 * builtin-types.def (BT_UINT32): New.
4837 (BT_FN_UINT32_UINT32): Ditto.
4838 (BT_FN_UINT64_UINT64): Ditto.
4839 * builtins.def (BUILT_IN_BSWAP32): New.
4840 (BUILT_IN_BSWAP64): Ditto.
4841 * rtl.def (BSWAP): New.
4842 * genattrtab.c (check_attr_value): New.
4843 * libgcc2.c (__bswapSI2): New.
4844 (__bswapDI2): Ditto.
4845 * libgcc2.h (__bswapSI2): Declare.
4846 (__bswapDI2): Ditto.
4847 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
4848 * simplify-rtx.c (simplify_const_unary_operation): Return
4850 * libgcc-std.ver (__bwapsi2): Add.
4851 (__bswapdi2): Ditto.
4852 * reload1.c (eliminate_regs_1): Add bswap.
4853 (elimination_effects): Ditto.
4854 * config/i386/i386.h (x86_bswap): New.
4855 (TARGET_BSWAP): Use.
4856 * config/i386/i386.c (x86_bswap): Set.
4858 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4860 * coverage.c (coverage_checksum_string): Update comment.
4861 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
4862 of get_file_function_name.
4863 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
4864 of get_file_function_name_long.
4865 * tree.c (get_file_function_name): Rename from
4866 get_file_function_name_long; improve comment; handle 'I' and 'D'
4867 specially when the target has ctor/dtor support; remove special
4869 (get_file_function_name): Remove.
4870 * tree.h (get_file_function_name): Rename from
4871 get_file_function_name_long.
4872 (get_file_function_name): Remove prototype.
4874 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4876 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
4877 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
4879 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
4880 Call dsymutil when compiling and linking one or more source files
4883 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4886 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
4888 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4890 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
4891 inline static functions in c99 mode.
4894 * doc/extend.texi (Inline): Update.
4895 * c-tree.h (struct language_function): Remove field 'extern_inline'.
4896 * c-decl.c (current_extern_inline): Delete.
4897 (pop_scope): Adjust test for an undefined nested function.
4898 Add warning about undeclared inline function.
4899 (diagnose_mismatched_decls): Update comments. Disallow overriding
4900 of inline functions in a translation unit in C99. Allow inline
4901 declarations in C99 at any time.
4902 (merge_decls): Boolize variables. Handle C99 'extern inline'
4904 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
4905 C99 inline semantics.
4906 (start_function): Don't clear current_extern_inline. Don't set
4908 (c_push_function_context): Don't push current_extern_inline.
4909 (c_pop_function_context): Don't restore current_extern_inline.
4912 * c-typeck.c (build_external_ref): Warn about static variables
4913 used in extern inline functions.
4914 * c-decl.c (start_decl): Warn about static variables declared
4915 in extern inline functions.
4917 2006-10-31 Roger Sayle <roger@eyesopen.com>
4920 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
4921 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
4922 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
4923 or y is an even integer.
4925 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
4928 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
4929 * gthr-posix95.h (__gthread_active_p): Likewise.
4931 2006-10-31 Richard Guenther <rguenther@suse.de>
4933 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
4934 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
4935 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
4936 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
4937 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
4938 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
4939 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
4940 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
4943 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
4945 * opts.c (decode_options): Disable CSE skip blocks.
4947 2006-10-30 Dirk Mueller <dmueller@suse.de>
4949 * c-common.h (strict_aliasing_warning): Fix whitespace.
4950 * c-decl (start_function): Move code for main decl warning ..
4951 * c-common.c (check_main_parameter_types): .. here.
4952 * c-common.h (check_main_parameter_types): Declare.
4954 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4957 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
4959 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
4961 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
4962 be a PARALLEL containing sets. Return false when out_pat is not
4965 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4967 * config/mips/mips.md (mul<mode>3): Split into...
4968 (mulsi3, muldi3): ...these separate patterns.
4970 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4972 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
4973 but with each set of options separated by spaces.
4975 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
4977 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
4978 dwarf_reg_size_table has been initialized.
4980 2006-10-30 Roger Sayle <roger@eyesopen.com>
4982 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
4983 * ddg.c (print_ddg_edge): Likewise.
4984 * dwarf2out.c (prune_unused_types_walk): Likewise.
4985 * ifcvt.c (noce_try_cmove_arith): Likewise.
4986 * langhooks.c (add_builtin_function): Likewise.
4987 * reg-stack.c (subst_stack_regs_pat): Likewise.
4988 * tree.c (expanded_location): Likewise.
4989 * tree-dump.c (dequeue_and_dump): Likewise.
4991 2006-10-30 David Daney <ddaney@avtrex.com>
4993 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
4995 2006-10-30 Jakub Jelinek <jakub@redhat.com>
4997 PR tree-optimization/29637
4998 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
4999 of the innertype is the innertype itself.
5001 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
5003 * dwarf2out.c (file_name_acquire): Correct typo.
5005 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
5007 * tree.h (tree_value_handle): Remove struct value_set declaration.
5008 Change value_set to bitmap_set.
5009 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
5010 * tree-vn.c (get_value_handle): Made inline and moved to
5012 * tree-flow-inline.h: (has_stmt_ann): New function.
5013 * tree-ssa-pre.c (expressions): New variable.
5014 (next_expression_id): Ditto.
5015 (alloc_expression_id): New function.
5016 (struct value_set): Remove.
5017 (get_expression_id): New function.
5018 (get_or_alloc_expression_id): Ditto.
5019 (expression_for_id): Ditto.
5020 (clear_expression_ids): Ditto.
5021 (FOR_EACH_EXPR_ID_IN_SET): New macro.
5022 (bb_value_sets): Renamed to bb_bitmap_sets.
5023 All value sets replaced with bitmap_sets.
5025 (BB_VISITED): New macro.
5026 (postorder): New variable.
5027 (add_to_value): Removed.
5028 (value_exists_in_set_bitmap): Ditto.
5029 (value_insert_into_set_bitmap): Ditto.
5032 (set_remove): Ditto.
5033 (set_contains_value): Ditto.
5034 (insert_into_set): Ditto.
5036 (find_leader): Ditto.
5037 (bitmap_set_subtract_from_value_set): Ditto.
5038 (value_insert_into_set): Ditto.
5039 (print_value_set): Ditto.
5040 (debug_value_set): Ditto.
5041 (constant_expr_p): New function.
5042 (bitmap_remove_from_set): Ditto.
5043 (bitmap_insert_into_set): Ditto.
5044 (bitmap_set_free): Ditto.
5045 (vh_compare): Ditto.
5046 (sorted_array_from_bitmap_set): Ditto.
5047 (bitmap_set_subtract): Ditto.
5048 (bitmap_set_equal): Ditto.
5049 (debug_bitmap_set): Ditto.
5050 (find_leader_in_sets): Ditto.
5051 (bitmap_set_replace_value): Modify for bitmapped sets.
5052 (phi_translate): Ditto.
5053 (phi_translate_set): Ditto.
5054 (bitmap_find_leader): Ditto.
5055 (valid_in_sets): Ditto.
5056 (union_contains_value): Ditto.
5058 (compute_antic_aux): Ditto. Mark changed blocks.
5059 (compute_antic): Ditto. Iterate in postorder and only over
5061 (compute_rvuse_and_antic_safe): Reuse postorder.
5062 (create_component_ref_by_pieces): Modify for bitmapped sets.
5063 (find_or_generate_expression): Ditto.
5064 (create_expression_by_pieces): Ditto.
5065 (insert_into_preds_of_block): Ditto.
5066 (changed_blocks): New variable.
5067 (do_regular_insertion): Broken out from insert_aux.
5068 (insert_aux): Modified for bitmapped sets.
5069 (find_existing_value_expr): New function.
5070 (create_value_expr_from): Use it.
5071 (insert_extra_phis): Removed.
5072 (print_bitmap_set): Renamed from bitmap_print_value_set.
5073 (compute_avail): Handle RETURN_EXPR.
5074 (init_pre): Modify for bitmapped sets.
5075 * tree-flow.h (has_stmt_ann): New function.
5077 2006-10-29 Roger Sayle <roger@eyesopen.com>
5079 * builtins.c (fold_builtin_floor): Check for the availability of
5080 the C99 trunc function before transforming floor into trunc.
5082 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5084 * builtins.c (fold_builtin_hypot): Rearrange recursive
5085 transformation before others, and also do ABS_EXPR. When
5086 necessary, check flag_unsafe_math_optimizations. When necessary,
5089 2006-10-29 Roger Sayle <roger@eyesopen.com>
5091 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
5092 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
5093 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
5094 Fold -X eq/ne -Y as X eq/ne Y.
5096 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5098 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
5099 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
5100 rather than GENERATE_MULT3_SI in the various define_peephole2s.
5101 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
5102 Use an inclusive test for "mult" rather than "mul".
5103 (rotr<mode>3): Depend on ISA_HAS_ROR.
5104 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
5106 (GENERATE_MULT3_DI): Delete.
5107 (ISA_HAS_64BIT_REGS): Use consistent formatting.
5108 (ISA_HAS_MUL3): New macro.
5109 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
5110 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
5111 (ISA_HAS_CLZ_CLO): Likewise.
5112 (ISA_HAS_DCLZ_DCLO): Delete.
5113 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
5114 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
5115 the VR4120 and VR4130.
5116 (ISA_HAS_MACCHI): Use consistent formatting.
5117 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
5118 (ISA_HAS_ROR): ...this new macro.
5119 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
5120 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
5121 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
5123 2006-10-29 Roger Sayle <roger@eyesopen.com>
5125 PR tree-optimization/15458
5126 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
5129 2006-10-29 Richard Guenther <rguenther@suse.de>
5131 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
5132 (ix86_expand_truncdf_32): Likewise.
5133 * config/i386/i386.c (ix86_expand_trunc): New function expanding
5134 trunc inline for SSE math and -fno-trapping-math and if not
5135 optimizing for size.
5136 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
5137 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
5138 for expanding btrunc inline for SSE math.
5140 2006-10-29 Joseph Myers <joseph@codesourcery.com>
5142 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
5143 Handle tuning for bi-arch i[34567]86-*-linux* like that for
5144 i[34567]86-*-solaris2.1[0-9]*.
5145 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
5146 Define conditionally depending on TARGET_64BIT_DEFAULT.
5147 (SPEC_32, SPEC_64): Define.
5148 (LINK_SPEC): Use them.
5149 * doc/install.texi (--enable-targets=all): Document for x86-linux.
5151 2006-10-29 Richard Guenther <rguenther@suse.de>
5153 * config/i386/i386-protos.h (ix86_expand_round): Declare.
5154 (ix86_expand_rounddf_32): Likewise.
5155 * config/i386/i386.c (ix86_expand_round): New function expanding
5156 round inline for SSE math and -fno-trapping-math and if not
5157 optimizing for size.
5158 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
5159 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
5160 round via ix86_expand_round.
5162 2006-10-29 Richard Guenther <rguenther@suse.de>
5164 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
5165 (ix86_expand_floorceildf_32): Likewise.
5166 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
5167 static helper function.
5168 (ix86_expand_floorceil): Expander for floor and ceil to SSE
5170 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
5171 * config/i386/i386.md (floordf2): Adjust to enable floor
5172 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
5173 -fno-trapping-math is enabled and if not optimizing for size.
5174 (floorsf2, ceildf2, ceilsf2): Likewise.
5175 * config/i386/sse.md (sse_maskcmpsf3): New insn.
5176 (sse2_maskcmpdf3): Likewise.
5178 2006-10-29 Richard Guenther <rguenther@suse.de>
5180 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
5181 rint in case -fno-trapping-math is enabled.
5182 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
5183 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
5184 (ix86_expand_sse_fabs): Likewise.
5185 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
5186 * config/i386/i386.md (rintdf2): Enable for SSE math if
5187 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
5188 (rintsf2): Likewise.
5190 2006-10-29 Richard Guenther <rguenther@suse.de>
5192 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
5193 to conversion optabs.
5194 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
5195 as conversion optab.
5196 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
5197 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
5198 (lfloor_optab, lceil_optab): Adjust defines.
5199 * builtins.c (expand_builtin_int_roundingfn): Adjust for
5200 lfloor and lceil optabs now being conversion optabs.
5201 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
5202 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
5203 New static helper function.
5204 (ix86_expand_lfloorceil): New function to expand lfloor and
5206 * config/i386/i386.md (lfloor<mode>2): Split into ...
5207 (lfloorxf<mode>2): ... x87 variant
5208 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
5209 using ix86_expand_lfloorceil.
5210 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
5212 * doc/md.texi (lfloorMN, lceilMN): Document.
5214 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5216 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
5217 -mno-shared assembler option on mips targets.
5218 * configure, config.in: Regenerate.
5219 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
5220 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
5221 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
5223 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5225 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
5226 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
5228 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
5230 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
5231 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
5234 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5237 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
5238 (fold_builtin_pow): Evaluate constant arguments at compile-time
5240 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
5241 (do_mpfr_ckconv): New helper function.
5242 (do_mpfr_arg1): Use do_mpfr_ckconv.
5243 (do_mpfr_arg2): New.
5245 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
5248 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
5249 (-fdump-rtl-sched): Rename to ..
5250 (-fdump-rtl-sched1): here. Also fix file extension number.
5252 2006-10-28 Richard Guenther <rguenther@suse.de>
5254 * fold-const.c (maybe_canonicalize_comparison): Fix code
5257 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5259 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
5260 (NON_QI_REG_P): Use IN_RANGE.
5261 (REX_INT_REGNO_P): Use IN_RANGE.
5262 (FP_REGNO_P): Use IN_RANGE.
5263 (SSE_REGNO_P): Use IN_RANGE.
5264 (REX_SSE_REGNO_P): Use IN_RANGE.
5265 (MMX_REGNO_P): Use IN_RANGE.
5266 (STACK_REGNO_P): New macro.
5267 (STACK_REG_P): Use STACK_REGNO_P.
5268 (NON_STACK_REG_P): Use STACK_REGNO_P.
5269 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
5270 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
5271 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
5272 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
5273 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
5275 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
5277 * except.h (output_function_exception_table): Add 'const char*' param.
5278 * except.c (switch_to_exception_section): Add 'const char*' param.
5279 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5280 and flag_function_sections is set, use a function-specific section.
5281 (output_function_exception_table): Add 'const char*' param.
5282 Adjust call to switch_to_exception_section.
5283 * final.c (rest_of_handle_final): Adjust calls to
5284 output_function_exception_table.
5285 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
5286 * config.in: Regenerate.
5287 * configure: Likewise.
5289 2006-10-28 Richard Guenther <rguenther@suse.de>
5292 * fold-const.c (maybe_canonicalize_comparison_1): Helper
5293 for maybe_canonicalize_comparison.
5294 (maybe_canonicalize_comparison): New function for canonicalizing
5296 (fold_comparison): Call it to canonicalize comparisons with
5299 2006-10-28 Richard Guenther <rguenther@suse.de>
5302 * builtins.c (expand_builtin_int_roundingfn_2): Expand
5303 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
5304 (expand_builtin): Adjust likewise.
5305 * genopinit.c (optabs[]): Add lround optab.
5306 * optabs.c (init_optabs): Initialize lround_optab.
5307 * optabs.h (enum convert_optab_index): Add COI_lround.
5308 (lround_optab): Define.
5309 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
5310 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
5312 (ix86_expand_lround): New function.
5313 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
5315 * doc/md.texi (lroundMN2): Document.
5317 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5320 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
5321 argument to HOST_WIDE_INT. Update function prototype.
5322 (round_frame_size): Change return type to HOST_WIDE_INT. Change
5323 "size" argument to HOST_WIDE_INT. Update function prototype.
5325 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5327 * config/i386/i386.c (output_387_ffreep): Create output from a
5328 template string for !HAVE_AS_IX86_FFREEP.
5330 2006-10-27 Eric Christopher <echristo@apple.com>
5332 * config/darwin.c: Fix formatting and grammar.
5334 2006-10-27 Jan Hubicka <jh@suse.cz>
5336 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
5337 to be thrown away soon when IGNORE is set.
5338 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
5339 indicating when return value shall not be computed.
5340 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
5342 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
5344 * config/i386/i386.h (TARGET_GEODE):
5345 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
5346 (TARGET_CPU_DEFAULT_geode): New macro.
5347 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
5348 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
5349 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
5350 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
5351 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
5353 (TARGET_CPU_DEFAULT_NAMES): Add geode.
5354 (processor_type): Add PROCESSOR_GEODE.
5356 * config/i386/i386.md: Include geode.md.
5359 * config/i386/i386.c (geode_cost): New initialized global
5361 (m_GEODE, m_K6_GEODE): New macros.
5362 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
5363 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
5364 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
5365 x86_schedule): Use m_K6_GEODE instead of m_K6.
5366 (x86_movx, x86_cmove): Set up m_GEODE.
5367 (x86_integer_DFmode_moves): Clear m_GEODE.
5368 (processor_target_table): Add entry for geode.
5369 (processor_alias_table): Ditto.
5371 * config/i386/geode.md: New file.
5373 * doc/invoke.texi: Add entry about geode processor.
5375 2006-10-27 Mike Stump <mrs@apple.com>
5377 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
5378 __DYNAMIC__ from here back to ...
5379 * config/darwin.h (CPP_SPEC): ... here.
5381 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5382 Nathan Sidwell <nathan@codesourcery.com>
5384 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
5385 when choosing the minimum heapsize.
5387 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5389 * gcc/unwind-dw2.h: Move cfa-related variables into
5390 struct frame_state_reg_info to ensure that the CFA is properly
5391 handled when executing DW_CFA_{remember,restore}_state.
5392 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
5393 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
5394 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
5395 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
5396 gcc/config/rs6000/linux-unwind.h,
5397 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
5398 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
5399 Modify to use new cfa_* fields.
5401 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
5403 * config/s390/s390.c (s390_init_frame_layout): Check positive
5406 2006-10-26 Ben Elliston <bje@au.ibm.com>
5408 * gimplify.c (get_name): Remove extraneous break.
5409 (gimplify_omp_for): Initialise ret with GS_OK.
5411 2006-10-25 Steve Ellcey <sje@cup.hp.com>
5413 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
5414 Add unix98.o to link line.
5416 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5419 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
5420 Calculate compile-time constants using MPFR.
5421 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
5422 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
5424 2006-10-25 Bob Wilson <bob.wilson@acm.org>
5426 * config/xtensa/lib2funcs.S: Use C-style comments.
5428 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
5430 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
5431 (file_table_relative_p): Likewise.
5432 (dwarf2out_finish): Likewise.
5433 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
5435 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
5437 * tree-ssa-structalias.c (intra_create_variable_infos):
5438 Don't recreate nonlocal_all if it already exists.
5440 2006-10-25 Richard Guenther <rguenther@suse.de>
5443 * optabs.h (enum optab_index): Remove OTI_lrint.
5444 (enum convert_optab_index): Add COI_lrint.
5445 (lrint_optab): Adjust.
5446 (expand_sfix_optab): Declare.
5447 * optabs.c (expand_sfix_optab): New function.
5448 (init_optabs): Init lrint_optab as conversion optab.
5449 * genopinit.c (lrint_optab): Change to a conversion optab.
5450 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
5451 expansion via conversion optab.
5452 * config/i386/i386.md (*fistdi2_1): Remove
5453 flag_unsafe_math_optimizations guard.
5454 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
5455 fist<mode>2_with_temp): Likewise.
5456 (lrint<mode>2): Split into...
5457 (lrintxf<mode>2): ... x87 part
5458 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
5459 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
5460 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
5461 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
5462 * doc/md.texi (lrintMN2): Document.
5464 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5467 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
5468 Use inc and dec instructions for TARGET_USE_INCDEC.
5469 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
5470 ("sync_double_compare_and_swap<mode>"): Likewise.
5471 ("*sync_double_compare_and_swapdi_pic"): Likewise.
5472 ("*sync_compare_and_swap_cc<mode>"): Likewise.
5473 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
5474 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
5475 ("sync_old_add<mode>"): Likewise.
5476 ("sync_lock_test_and_set<mode>"): Likewise.
5477 ("sync_lock_test_and_set<mode>"): Likewise.
5478 ("sync_add<mode>"): Likewise.
5479 ("sync_sub<mode>"): Likewise.
5480 ("sync_ior<mode>"): Likewise.
5481 ("sync_and<mode>"): Likewise.
5482 ("sync_xor<mode>"): Likewise.
5484 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5486 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
5487 (remainder_optab): Define corresponding macro.
5488 (drem_optab): Remove.
5489 * optabs.c (init_optabs): Initialize remainder_optab. Remove
5490 drem_optab initialization.
5491 * genopinit.c (optabs): Implement remainder_optab using
5492 remainder?f3 patterns. Remove drem_optab.
5493 * builtins.c (expand_builtin_mathfn_2): Handle
5494 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
5495 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
5496 expand_builtin_mathfn_2.
5498 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
5499 depend on flag_unsafe_math_optimizations.
5501 * config/i386/i386.md ("remaindersf3", "remainderdf3")
5502 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
5503 Do not depend on flag_unsafe_math_optimizations. Use
5504 truncxf?f expander instead of truncxf?f_i387_noop.
5506 ("fpremxf4", "fprem1xf4"): Do not depend on
5507 flag_unsafe_math_optimizations.
5508 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
5509 flag_unsafe_math_optimizations. Use truncxf?f expander
5510 instead of truncxf?f_i387_noop.
5512 * doc/md.texi (fmod, remainder): Document standard named pattern.
5514 2006-10-24 Richard Sandiford <richard@codesourcery.com>
5515 David Daney <ddaney@avtrex.com>
5518 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
5520 2006-10-25 Ben Elliston <bje@au.ibm.com>
5522 * doc/extend.texi (Variable Attributes): Typo fix.
5524 2006-10-24 Uros Bizjak <uros@kss-loka.si>
5526 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
5527 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
5528 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
5529 (FRAME_POINTER_REGNUM): Update register number to 21.
5530 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
5531 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
5533 * config/i386/i386.c (regclass_map): Add fpcr entry.
5534 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
5536 (print_reg): Assert REGNO (x) != FPCR_REG.
5538 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
5539 (DIRFLAG_REG): Renumber.
5540 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
5541 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
5542 (sse_prologue_save, *sse_prologue_save_insn): Renumber
5543 hardcoded SSE register numbers.
5545 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
5546 hardcoded MMX register numbers.
5548 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5551 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
5552 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
5554 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
5555 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
5556 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
5557 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
5559 2006-10-24 Richard Guenther <rguenther@suse.de>
5562 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
5563 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
5564 for deciding optimizations in consistency with fold-const.c
5565 (fold_builtin_unordered_cmp): Likewise.
5567 2006-10-24 Richard Guenther <rguenther@suse.de>
5569 * builtins.c (fold_builtin_floor): Fold floor (x) where
5570 x is nonnegative to trunc (x).
5571 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
5572 nonnegative to FIX_TRUNC_EXPR.
5574 2006-10-24 Richard Guenther <rguenther@suse.de>
5576 PR tree-optimization/29567
5577 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
5578 for TRUTH_NOT_EXPR. Clarify comments.
5580 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5583 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
5584 at compile-time using MPFR. Change parameter VALUE to FUNC,
5586 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
5587 for overflow and underflow at all times and avoid folding in
5590 2006-10-24 Ben Elliston <bje@au.ibm.com>
5592 * reload1.c: Formatting fixes.
5594 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
5596 PR tree-optimization/14784
5597 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
5598 * tree-ssa-structalias.c (get_constraint_for,
5599 intra_create_variable_infos): Set is_heapvar.
5600 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
5601 non-heapvar pointer variables specially.
5603 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5606 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5607 fold_builtin_tan): Fold all constant arguments. Take a "type"
5608 argument as necessary.
5609 (do_mpfr_arg1): New.
5610 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5612 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5614 * config/xtensa/lib1funcs.asm: Use C-style comments.
5616 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5618 * tree.c (local_define_builtin): Replace calls to
5619 lang_hooks.builtin_function with add_builtin_function.
5620 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5622 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5624 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5625 common code to add_builtin_function.
5626 * langhooks.c (add_builtin_function): New function.
5627 (lhd_builtin_function): New function.
5628 * langhooks.h (struct lang_hooks): Change the signature of
5630 (add_builtin_function): New function.
5631 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5632 calls to lang_hooks.builtin_function with add_builtin_function.
5633 * c-common.c (decl_builtin_1): Replace calls to
5634 lang_hooks.builtin_function with add_builtin_function.
5635 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5636 lang_hooks.builtin_function with add_builtin_function.
5637 * config/frv/frv.c (def_builtin): Replace calls to
5638 lang_hooks.builtin_function with add_builtin_function.
5639 * config/s390/s390.c (s390_init_builtins): Replace calls to
5640 lang_hooks.builtin_function with add_builtin_function.
5641 * config/sparc/sparc.c (def_builtin): Replace calls to
5642 lang_hooks.builtin_function with add_builtin_function.
5643 * config/i386/i386.c (def_builtin): Replace calls to
5644 lang_hooks.builtin_function with add_builtin_function.
5645 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5646 lang_hooks.builtin_function with add_builtin_function.
5647 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5648 lang_hooks.builtin_function with add_builtin_function.
5649 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5650 Replace calls to lang_hooks.builtin_function with
5651 add_builtin_function.
5652 * config/iq2000/iq2000.c (def_builtin):
5653 Replace calls to lang_hooks.builtin_function with
5654 add_builtin_function.
5655 * config/ia64/ia64.c (def_builtin): Replace calls to
5656 lang_hooks.builtin_function with add_builtin_function.
5657 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5658 lang_hooks.builtin_function with add_builtin_function.
5659 (altivec_init_builtins): Replace calls to
5660 lang_hooks.builtin_function with add_builtin_function.
5661 * config/arm/arm.c (def_mbuiltin): Replace calls to
5662 lang_hooks.builtin_function with add_builtin_function.
5663 (arm_init_tls_builtins): Replace calls to
5664 lang_hooks.builtin_function with add_builtin_function.
5665 * config/mips/mips.c (mips_init_builtins): Replace calls to
5666 lang_hooks.builtin_function with add_builtin_function.
5667 * config/bfin/bfin.c (def_builtin): Replace calls to
5668 lang_hooks.builtin_function with add_builtin_function.
5669 * langhooks-def.h (lhd_builtin_function): New function.
5670 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5672 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5674 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5675 BUILT_IN_STRNCAT_CHK.
5677 2006-10-23 Jan Hubicka <jh@suse.cz>
5679 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5680 don't do conversion from memmove to memcpy here.
5681 (expand_builtin_bcopy, expand_builtin): Update call of
5682 expand_builtin_memmove.
5683 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5685 2006-10-23 Paul Brook <paul@codesourcery.com>
5687 * stor-layout.c (start_record_layout): maximum_field_alignment
5688 overrides STRUCTURE_SIZE_BOUNDARY.
5690 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5692 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5693 nonlocal function symbols if flag_pic.
5695 2006-10-23 Richard Guenther <rguenther@suse.de>
5699 * builtins.c (fold_binary): Remove checks for flag_wrapv
5700 and flag_trapv where negate_expr_p covers these cases.
5702 2006-10-23 Richard Guenther <rguenther@suse.de>
5705 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5706 of two on the absolute value.
5707 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5708 and negating -C does not overflow.
5710 2006-10-23 Richard Guenther <rguenther@suse.de>
5713 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5714 only if not flag_rounding_math.
5716 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5717 Kaz Kojima <kkojima@gcc.gnu.org>
5720 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5721 SImode memory reference for the source of a movua.
5722 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5723 (movua): Use an unspec instead of sign_extract. Expect the source
5724 to have mode BLKmode.
5725 (extv, insv): Use a BLKmode rather than SImode memory reference
5726 for the source of a movua.
5728 2006-10-22 Jeff Law <law@redhat.com>
5729 Richard Guenther <rguenther@suse.de>
5731 PR tree-optimization/15911
5732 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5733 (register_edge_assert_for_1): Likewise.
5734 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5735 (find_conditional_asserts): Adjust for new function signature.
5736 (find_assert_locations): Likewise.
5738 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5740 * config/i386/tmmintrin.h: Remove the duplicated content.
5742 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5744 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5745 (x86_64-*-*): Likewise.
5747 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5748 (override_options): Check SSSE3.
5749 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5750 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5751 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5752 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5753 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5754 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5755 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5756 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5757 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5758 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5759 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5760 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5761 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5762 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5763 IX86_BUILTIN_PABSD128.
5764 (bdesc_2arg): Add SSSE3.
5765 (bdesc_1arg): Likewise.
5766 (ix86_init_mmx_sse_builtins): Support SSSE3.
5767 (ix86_expand_builtin): Likewise.
5768 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5770 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5771 (UNSPEC_PSIGN): Likewise.
5772 (UNSPEC_PALIGNR): Likewise.
5773 Include mmx.md before sse.md.
5775 * config/i386/i386.opt: Add -mssse3.
5777 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5778 (ssse3_phaddwv4hi3): Likewise.
5779 (ssse3_phadddv4si3): Likewise.
5780 (ssse3_phadddv2si3): Likewise.
5781 (ssse3_phaddswv8hi3): Likewise.
5782 (ssse3_phaddswv4hi3): Likewise.
5783 (ssse3_phsubwv8hi3): Likewise.
5784 (ssse3_phsubwv4hi3): Likewise.
5785 (ssse3_phsubdv4si3): Likewise.
5786 (ssse3_phsubdv2si3): Likewise.
5787 (ssse3_phsubswv8hi3): Likewise.
5788 (ssse3_phsubswv4hi3): Likewise.
5789 (ssse3_pmaddubswv8hi3): Likewise.
5790 (ssse3_pmaddubswv4hi3): Likewise.
5791 (ssse3_pmulhrswv8hi3): Likewise.
5792 (ssse3_pmulhrswv4hi3): Likewise.
5793 (ssse3_pshufbv16qi3): Likewise.
5794 (ssse3_pshufbv8qi3): Likewise.
5795 (ssse3_psign<mode>3): Likewise.
5796 (ssse3_psign<mode>3): Likewise.
5797 (ssse3_palignrti): Likewise.
5798 (ssse3_palignrdi): Likewise.
5799 (abs<mode>2): Likewise.
5800 (abs<mode>2): Likewise.
5802 * config/i386/tmmintrin.h: New file.
5804 * doc/extend.texi: Document SSSE3 built-in functions.
5806 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5808 2006-10-22 Ira Rosen <irar@il.ibm.com>
5810 * tree-vect-transform.c (vectorizable_load): Use the type of the
5811 return value of the mask_for_load builtin to create realign_load
5814 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5816 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
5819 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
5821 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
5822 (UNSPEC_LDDQU): This.
5823 * config/i386/sse.md (sse3_lddqu): Updated.
5825 2006-10-21 Richard Guenther <rguenther@suse.de>
5827 * builtins.c (expand_builtin_int_roundingfn_2): New function.
5828 (expand_builtin): Use it to expand lrint instead of
5829 expand_builtin_mathfn.
5831 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5834 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
5835 flag_unsafe_math_optimizations is set.
5837 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5840 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
5841 patterns to use memory input operand in x87->mem->XMM
5842 reload sequences. Skip transformation for TARGET_K8.
5844 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5846 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
5847 force operand1 to register if both operands are memory operands.
5848 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
5849 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
5850 if both operands are memory operands.
5851 (truncdfsf2): Do not force operand1 to register if both operands
5852 are memory operands.
5854 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5856 * Makefile.in (LIBS): Add $(GMPLIBS).
5857 * doc/install.texi: Update GMP and MPFR requirements.
5858 * doc/sourcebuild.texi (need_gmp): Delete.
5860 2006-10-21 Richard Guenther <rguenther@suse.de>
5862 PR tree-optimization/3511
5863 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
5864 got new invariant arguments during PHI translation.
5866 2006-10-21 Richard Guenther <rguenther@suse.de>
5869 * fold-const.c (fold_comparison): Fold signed comparisons
5870 of the form X +- C1 CMP Y +- C2.
5872 2006-10-21 Richard Guenther <rguenther@suse.de>
5875 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
5876 if flag_unsafe_math_optimizations is specified. We have
5877 flag_finite_math_only for that.
5878 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
5879 or flag_unsafe_math_optimizations.
5881 2006-10-21 Richard Guenther <rguenther@suse.de>
5883 * builtins.c (fold_builtin_classify): Fix typo.
5885 2006-10-21 Richard Guenther <rguenther@suse.de>
5888 * simplify-rtx.c (simplify_const_relational_operation):
5889 Do not constant-fold ORDERED and UNORDERED for
5890 flag_unsafe_math_optimizations but only we do not need to
5891 honor NaNs for the given mode.
5893 2006-10-21 Richard Guenther <rguenther@suse.de>
5896 * config/i386/i386.c (classify_argument): Remove redundant
5897 walking of the BINFOs.
5898 (contains_128bit_aligned_vector_p): Likewise.
5900 2006-10-20 Mark Mitchell <mark@codesourcery.com>
5902 * BASE-VER: Set to 4.3.0.
5904 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
5906 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
5907 (tree_decl_with_vis): Remove artificial_pta_var flag.
5908 * tree-flow.h (referenced_var_check_and_insert): Expose.
5909 (nonlocal_all): New prototype.
5910 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
5911 (nonlocal_all): Make global.
5912 (nonlocal_lookup): Remove.
5913 (nonlocal_insert): Ditto.
5914 (create_nonlocal_var): Do not call nonlocal_insert.
5915 (get_nonlocal_id_for_type): Remove.
5916 (find_global_initializers): Mark new vars we find for renaming.
5917 (intra_create_variable_infos): Only create one nonlocal.
5918 (expand_nonlocal_solutions): Remove.
5919 (compute_points_to_sets): Don't call it.
5920 (ipa_pta_execute): Ditto.
5921 (init_alias_heapvars): Don't create nonlocal_for_type.
5922 (delete_alias_heapvars): Don't remove it.
5923 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
5926 2006-10-19 Brooks Moses <bmoses@stanford.edu>
5928 * doc/install.texi (Downloading GCC): Clarify mention of
5929 Fortran in the "full distribution" description.
5931 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
5933 Fix PR tree-optimization/28778
5934 Fix PR tree-optimization/29156
5935 Fix PR tree-optimization/29415
5936 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
5937 (tree_decl_with_vis): Add artificial_pta_var flag.
5938 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
5939 pushed into callers.
5940 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
5941 (nonlocal_all): Ditto.
5942 (struct variable_info): Add directly_dereferenced member.
5943 (var_escaped_vars): New variable.
5944 (escaped_vars_tree): Ditto.
5945 (escaped_vars_id): Ditto.
5946 (nonlocal_vars_id): Ditto.
5947 (new_var_info): Set directly_dereferenced.
5948 (graph_size): New variable
5949 (build_constraint_graph): Use graph_size.
5950 (solve_graph): Don't process constraints that cannot change the
5951 solution, don't try to propagate an empty solution to our
5953 (process_constraint): Set directly_dereferenced.
5954 (could_have_pointers): New function.
5955 (get_constraint_for_component_ref): Don't process STRING_CST.
5956 (nonlocal_lookup): New function.
5957 (nonlocal_insert): Ditto.
5958 (create_nonlocal_var): Ditto.
5959 (get_nonlocal_id_for_type): Ditto.
5960 (get_constraint_for): Allow results vector to be empty in the case
5961 of string constants.
5962 Handle results of calls properly.
5963 (update_alias_info): Update alias info stats on number and type of
5965 (find_func_aliases): Use could_have_pointers.
5966 (make_constraint_from_escaped): Renamed from
5967 make_constraint_to_anything, and changed to make constraints from
5969 (make_constraint_to_escaped): New function.
5970 (find_global_initializers): Ditto.
5971 (create_variable_info_for): Make constraint from escaped to any
5972 global variable, and from any global variable to the set of
5974 (intra_create_variable_infos): Deal with escaped instead of
5975 pointing to anything.
5976 (set_uids_in_ptset): Do type pruning on directly dereferenced
5978 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
5979 (init_base_vars): Fix comment, and initialize escaped_vars.
5980 (need_to_solve): Removed.
5981 (find_escape_constraints): New function.
5982 (expand_nonlocal_solutions): Ditto.
5983 (compute_points_to_sets): Call find_escape_constraints and
5984 expand_nonlocal_solutions.
5985 (delete_points_to_sets): Don't fall off the end of the graph.
5986 (init_alias_heapvars): Initialize nonlocal_for_type and
5988 (delete_alias_heapvars): Free nonlocal_for_type and null out
5991 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
5993 * fold-const.c (add_double): Rename to add_double_with_sign.
5994 Add 'unsigned_p' parameter and take it into account for the overflow.
5995 (mul_double): Rename to mul_double_with_sign.
5996 Add 'unsigned_p' parameter and take it into account for the overflow.
5997 (fold_div_compare): Call add_double_with_sign instead of add_double
5998 and mul_double_with_sign instead of mul_double, passing them the
5999 unsignedness of the type.
6000 * tree.h (add_double): Macroize.
6001 (add_double_with_sign): New prototype.
6002 (mul_double): Macroize.
6003 (mul_double_with_sign): New prototype.
6005 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
6007 * config/score/crti.asm: New file.
6008 * config/score/crtn.asm: New file.
6009 * config/score/elf.h: New file.
6010 * config/score/mac.md: New file.
6011 * config/score/misc.md: New file.
6012 * config/score/mul-div.S: New file.
6013 * config/score/predicates.md: New file.
6014 * config/score/score7.md: New file.
6015 * config/score/score.c: New file.
6016 * config/score/score-conv.h: New file.
6017 * config/score/score.h: New file.
6018 * config/score/score.md: New file.
6019 * config/score/score-mdaux.c: New file.
6020 * config/score/score-mdaux.h: New file.
6021 * config/score/score-modes.def: New file.
6022 * config/score/score.opt: New file.
6023 * config/score/score-protos.h: New file.
6024 * config/score/score-version.h: New file.
6025 * config/score/t-score-elf: New file.
6026 * config.gcc: Add score*-*-* configurations(Update before).
6027 * doc/invoke.texi (Score Options): New section.
6028 * doc/md.texi (Score family): New section to document constraints.
6030 2006-10-19 Nick Clifton <nickc@redhat.com>
6032 * config/arm/arm.c: Fix spelling typo.
6034 2006-10-18 Tom Tromey <tromey@redhat.com>
6036 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
6038 2006-10-18 Jan Hubicka <jh@suse.cz>
6041 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
6044 2006-10-18 Marcin Dalecki <martin@dalecki.de>
6046 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
6047 TSI_SAME_STMT, since that's the desired entity.
6049 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
6051 * config/s390/contraints.md: New file.
6052 * config/s390/s390-protos.h (s390_mem_constraint,
6053 s390_O_constraint_str, s390_N_constraint_str,
6054 s390_float_const_zero_p): Function prototypes added.
6055 * config/s390/s390.c (s390_extra_constraint_str,
6056 s390_const_double_ok_for_constraint_p,
6057 s390_const_ok_for_constraint_p): Functions removed.
6058 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
6059 s390_float_const_zero_p): New functions.
6060 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
6061 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
6062 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
6063 Macro definitions removed.
6064 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
6065 s390_extra_constraint_str): Functions removed.
6067 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
6068 Richard Sandiford <richard@codesourcery.com>
6071 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
6072 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
6074 2006-10-16 Geoffrey Keating <geoffk@apple.com>
6076 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
6077 (DWARF2_FRAME_REG_OUT): Likewise.
6078 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
6079 (DWARF2_FRAME_REG_OUT): Likewise.
6081 2006-10-17 Paul Brook <paul@codesourcery.com>
6083 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
6085 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6087 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
6088 Standardize on "GNU Fortran" as the official name of the Fortran
6091 2006-10-16 Mike Stump <mrs@apple.com>
6093 * doc/invoke.texi (Darwin Options): Document -mkernel.
6094 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
6096 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
6097 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
6098 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
6099 (OS_MISSING_ALTIVEC): Add.
6100 * config/i386/i386.c (override_options): Add
6101 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
6102 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
6103 -mkernel, -static or -mdynamic-no-pic is given.
6104 (C_COMMON_OVERRIDE_OPTIONS): Add.
6105 * config/darwin.opt (fapple-kext): Add.
6107 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
6108 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
6110 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
6111 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
6112 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
6113 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
6114 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
6115 (flag_mkernel): Add.
6116 (flag_apple_kext): Add.
6117 (TARGET_KEXTABI): Add.
6118 * config/darwin.c (darwin_handle_kext_attribute): Add.
6119 (DARWIN_VTABLE_P): Add.
6120 (darwin_binds_local_p): Add partial support for rebinding vtables
6122 (darwin_kextabi_p): Add.
6123 (darwin_override_options): Add.
6124 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
6125 (darwin_kextabi_p): Add.
6126 (darwin_override_options): Add.
6127 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
6128 __DYNAMIC__ and __STATIC__ here.
6130 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6132 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
6133 Added mention of "make pdf" target, and Texinfo requirements for
6136 2006-10-16 DJ Delorie <dj@redhat.com>
6138 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
6139 into the GOT in case we need a subreg of the address.
6141 2006-10-16 Richard Guenther <rguenther@suse.de>
6144 * doc/extend.texi (X86 Built-in Functions): Fix typos in
6145 SSE builtin documentation. Document SSE2 builtins.
6147 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6149 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
6150 symbol in the output file for non-shared links when -nostdlib or
6151 -nodefaultlibs isn't specified.
6153 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
6154 posix thread support.
6156 2006-10-15 Jan Hubicka <jh@suse.cz>
6159 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
6160 declared always_inline even when not inlining.
6162 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6163 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6164 Andrew Pinski <pinskia@gmail.com>
6167 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
6169 2006-10-15 Jan Hubicka <jh@suse.cz>
6170 Richard Guenther <rguenther@suse.de>
6173 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
6174 process_function_and_variable_attributes on all variables, including
6175 those discovered during cgraph construction phase.
6177 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
6179 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
6181 2006-10-14 Uros Bizjak <uros@kss-loka.si>
6183 * config/i386/athlon.md (athlon_fist): Add fisttp.
6185 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6186 Ian Lance Taylor <ian@airs.com>
6189 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
6190 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
6193 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
6195 * config/score/score.c, config/score/score.h: Fix comment
6198 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6201 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
6204 2006-10-13 Eric Christopher <echristo@apple.com>
6206 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
6208 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6211 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6212 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6213 alignment supported by 32-bit ELF.
6215 2006-10-13 Eric Christopher <echristo@apple.com>
6217 * config/darwin.c (darwin_emit_unwind_label): Strip
6218 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
6220 2006-10-13 Richard Guenther <rguenther@suse.de>
6222 PR tree-optimization/29446
6223 * tree-vrp.c (fix_equivalence_set): Remove.
6224 (extract_range_from_assert): Do not call fix_equivalence_set.
6225 (debug_value_range): Print a newline.
6226 (compare_name_with_value): For equivalence sets with
6227 inconsistent value ranges conservatively bail out.
6228 (compare_names): Likewise.
6230 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6232 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
6233 and MPFR for gfortran.
6235 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6237 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6238 alignment supported by 32-bit ELF.
6240 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
6244 * c-typeck.c (digest_init): Always allow initializing vectors
6245 that have static storage duration with compound literals.
6246 * tree.c (build_type_attribute_qual_variant): New, based on
6247 build_type_attribute_variant.
6248 (build_type_attribute_variant): Rewrite using the former.
6249 (make_vector_type): Use build_type_attribute_qual_variant to build
6250 type variants. Use type_hash_canon on the others.
6252 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
6253 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
6255 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
6257 2006-10-12 Jan Hubicka <jh@suse.cz>
6260 * c-decl.c (c_make_fname_decl): Do not segfault in case where
6261 current_function_decl is set but current_function_scope is not.
6263 2006-10-12 Jie Zhang <jie.zhang@analog.com>
6265 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
6266 emit_insn to emit eh_return_internal instruction.
6267 (eh_return_internal): Explicitly set pc.
6269 2006-10-11 Richard Guenther <rguenther@suse.de>
6271 PR tree-optimization/28230
6272 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
6273 to the correct place.
6275 2006-10-11 Richard Guenther <rguenther@suse.de>
6278 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
6281 2006-10-10 Brooks Moses <bmoses@stanford.edu>
6283 * configure.ac: Added pdf to "Make-hooks"
6284 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
6285 targets and *.pdf file patterns in cleanup targets.
6286 * configure: Regenerated.
6288 2006-10-10 Anatoly Sokolov <aesok@post.ru>
6290 * config/avr/predicates.md: New file.
6291 * config/avr/avr.md: Include it.
6292 (REG_SP): New constant.
6293 (peepholes): Use predicates.
6294 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
6295 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
6296 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
6298 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
6300 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
6303 2006-10-10 Jakub Jelinek <jakub@redhat.com>
6306 * builtins.c (var_decl_component_p): New function.
6307 (fold_builtin_memset, fold_builtin_memory_op): Restrict
6308 single entry optimization to variables and components thereof.
6310 2006-10-10 Richard Guenther <rguenther@suse.de>
6312 PR rtl-optimization/29323
6313 * except.c (set_nothrow_function_flags): For functions
6314 that do not bind local bail out early.
6316 2006-10-10 Ben Elliston <bje@au.ibm.com>
6318 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
6321 2006-10-09 Richard Henderson <rth@redhat.com>
6323 Revert emutls patch.
6325 2006-10-09 Richard Guenther <rguenther@suse.de>
6328 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
6331 2006-10-09 Steve Ellcey <sje@cup.hp.com>
6334 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
6335 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
6336 * configure: Regenerate.
6337 * config.in: Regenerate.
6339 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
6341 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
6343 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6345 * config/mips/mips.c (mips_legitimize_tls_address): Implement
6346 all TLS models in the same way as local exec if !TARGET_ABICALLS.
6347 Remove stray newline.
6349 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6351 * config/mips/mips.c (mips_classify_symbol): Do not return
6352 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
6353 (mips_in_small_data_p): Tweak comments.
6355 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6357 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
6359 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
6361 * gimplify.c, sched-int.h: Fix comment typos.
6363 * sched-int.h: Fix comment typos.
6365 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6367 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
6369 * sched-ebb.c (begin_schedule_ready): Use them.
6370 * haifa-sched.c (schedule_insn, move_insn, try_ready,
6371 add_to_speculative_block, create_check_block_twin, speculate_insn,
6372 fix_jump_move, move_block_after_check): Ditto.
6373 * sched-rgn.c (new_ready): Ditto.
6375 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6377 PR rtl-optimization/29128
6378 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
6379 * sched-ebb.c (advance_target_bb): Use it to fix condition to
6380 allow interblock movement of speculation checks.
6382 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
6385 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
6386 casted to integer type.
6387 (get_address_cost): Decrease cost of [symbol + index] addressing modes
6388 if they are significantly more expensive than [reg + index] ones.
6390 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6392 PR tree-optimization/29330
6393 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
6394 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
6395 on newly allocated ddrs.
6396 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
6397 to VEC (loop_p, heap) pointer.
6398 (compute_data_dependences_for_loop): Adjust caller.
6399 (free_dependence_relations): Free DDR_LOOP_NEST.
6401 * tree-loop-linear.c (linear_transform_loops): Don't forget to
6402 free DEPENDENCE_RELATIONS and DATAREFS.
6405 * builtins.c (expand_builtin_sync_operation,
6406 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
6407 Use convert_to_mode to handle promoted arguments.
6409 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6411 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
6413 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6415 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
6417 2006-10-05 Uros Bizjak <uros@kss-loka.si>
6419 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
6420 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
6421 Use <modeconstraint> instead of "r" as operand 1 constraint.
6423 2006-10-06 Olivier Hainque <hainque@adacore.com>
6425 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
6426 Don't recurse on the pointed-to type.
6427 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
6428 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
6429 types with components of variable size.
6431 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
6433 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
6435 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6437 PR tree-optimization/29290
6438 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
6442 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
6443 * config/i386/predicates.md (local_symbolic_operand): Likewise.
6446 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
6447 the number of vector elements fill the rest with zeros.
6449 2006-10-05 Richard Sandiford <richard@codesourcery.com>
6451 * config/mips/mips.c (mips_pass_by_reference): Do not return false
6452 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
6455 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
6457 * config/bfin/bfin.md (subsi3): Lose expander, change previously
6458 unnamed pattern into subsi3. Use correct constraints/predicates.
6459 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
6460 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
6462 2006-10-05 Ira Rosen <irar@il.ibm.com>
6464 * doc/loop.texi: Add data references analysis description.
6466 2006-10-04 Brooks Moses <bmoses@stanford.edu>
6468 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
6470 2006-10-04 Richard Henderson <rth@redhat.com>
6471 Jakub Jelinek <jakub@redhat.com>
6473 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
6474 * builtin-types.def (BT_WORD): Make unsigned.
6475 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6476 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6477 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6478 * c-decl.c (grokdeclarator): Don't error if !have_tls.
6479 * c-parser.c (c_parser_omp_threadprivate): Likewise.
6480 * cgraph.c (decide_is_variable_needed): Look at force_output.
6481 Recurse for emulated tls.
6482 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
6483 checks redundant with decide_is_variable_needed.
6484 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
6485 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6487 * expr.c (emutls_var_address): New.
6488 (expand_expr_real_1): Expand emulated tls.
6489 (expand_expr_addr_expr_1): Likewise.
6490 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6491 * output.h (emutls_finish): Declare.
6492 * toplev.c (compile_file): Call it.
6493 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6494 address before wrapping in CONST.
6495 * varasm.c (emutls_htab, emutls_object_type): New.
6496 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6497 (get_emutls_object_name, get_emutls_object_type): New.
6498 (get_emutls_init_templ_addr, emutls_decl): New.
6499 (emutls_common_1, emutls_finish): New.
6500 (assemble_variable): When emulating tls, swap decls; generate
6501 constructor for the emutls objects.
6502 (do_assemble_alias): When emulating tls, swap decl and target name.
6503 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6505 * emutls.c: New file.
6506 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6507 tls_object for real tls.
6509 2006-10-04 Zack Weinberg <zackw@panix.com>
6511 Fix bug in constraint-check generator, reported by Rask Ingemann
6513 * genpreds.c (add_constraint): Don't remove anything from the
6515 (write_tm_constrs_h): Detect whether "op" argument is used, and
6516 mark it ARG_UNUSED if it isn't.
6517 (write_insn_const_int_ok_for_constraint): Skip the part of the
6518 expression that would test whether "op" (which is not available
6519 here) is a CONST_INT.
6521 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
6524 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
6526 2006-10-03 Geoffrey Keating <geoffk@apple.com>
6528 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
6529 current Leopard versions.
6530 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
6532 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
6534 * doc/install.texi: Fix typos.
6536 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6538 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
6539 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
6540 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
6542 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
6544 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
6545 arg to be struct mach_header_64* instead.
6547 2006-10-02 Jakub Jelinek <jakub@redhat.com>
6550 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
6551 side effects after the outer expression's post side effects.
6553 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
6555 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
6556 comments to reflect actual behavior and relationship between
6557 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
6559 * doc/c-tree.texi (Working with declarations): Fix documentation
6560 of FIELD_DECL likewise.
6562 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
6565 * doc/extend.texi: Add used variable attribute description.
6567 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
6570 * c.opt (Woverride-init): New.
6571 * c-opts.c (c_common_post_options): Default warn_override_init to
6573 * c-typeck.c (add_pending_init, output_init_element): Warn for
6574 overriding initializers without side effects.
6575 * doc/invoke.texi (-Woverride-init): Document.
6578 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
6580 PR rtl-optimization/28096
6581 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
6582 assignment has already been used as a destination earlier in the block.
6584 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
6586 * builtins.c (expand_builtin_setjmp): Delete.
6587 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
6588 <BUILT_IN_SETJMP_SETUP>: New case.
6589 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
6590 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
6591 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
6592 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
6593 (BUILT_IN_SETJMP_RECEIVER): Likewise.
6594 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
6595 (lower_function_body): Initialize it to false. If it is set to true
6596 at the end of the processing, emit the setjmp dispatcher.
6597 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
6598 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
6599 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
6600 on the rhs of the assignment.
6601 (lower_builtin_setjmp): New function.
6602 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6603 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6604 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6605 to detect calls that can go to non-local labels. Use specific
6606 helper to create the abnormal edges associated with them.
6607 <MODIFY_EXPR>: Likewise.
6608 (make_abnormal_goto_edges): New function extracted from...
6609 (make_goto_expr_edges): ...here. Call it for computed gotos.
6610 (simple_goto_p): Minor tweak.
6611 (tree_can_make_abnormal_goto): New predicate.
6612 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6613 (tree_purge_dead_abnormal_call_edges): New function.
6614 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6615 (tree_purge_dead_abnormal_call_edges): Likewise.
6616 (make_abnormal_goto_edges): Likewise.
6617 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6618 Purge all dead abnormal edges if the call was in the last statement.
6619 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6620 (execute_fixup_cfg): If there are non-local labels in the function,
6621 scan the basic blocks and split them at calls that can go to non-local
6622 labels or add missing abnormal call edges. Write down the CFG in the
6624 (pass_fixup_cfg): Remove TODO_dump_func flag.
6625 * unwind-sjlj.c: Poison setjmp.
6626 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6627 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6628 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6629 (DONT_USE_BUILTIN_SETJMP): Document it.
6631 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6634 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6635 to 1 when __ppc64__ is defined.
6636 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6638 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6640 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6642 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6643 * config/ia64/unwind-hpux.c: Delete.
6645 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6647 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6648 on the element before gimplifying it, instead of punting if it is of
6651 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6653 * doc/loop.texi: New file.
6654 * doc/gccint.texi: Reference loop.texi.
6655 * Makefile.in (loop.texi): Add.
6657 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6659 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6661 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6662 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6664 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6666 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6668 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6670 * doc/install.texi: Document required versions of GMP and MPFR.
6672 2006-09-27 Paul Brook <paul@codesourcery.com>
6675 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6677 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6679 * reload1.c (alter_reg): Require the alignment of the stack slot to
6680 be at least reg_max_ref_width bytes.
6681 (scan_paradoxical_subregs): Record the largest width in
6684 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6688 * tree-nested.c (struct nesting_info): Added static_chain_added.
6689 (convert_call_expr): Set static_chain_added when adding static
6690 chain. Handle OMP_PARALLEL and OMP_SECTION.
6692 2006-09-25 Matthias Klose <doko@debian.org>
6694 * doc/invoke.texi: Add missing full stop.
6696 2006-09-25 Richard Henderson <rth@redhat.com>
6698 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6699 before cgraph_function_flags_ready.
6701 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6702 Adam Nemet <anemet@caviumnetworks.com>
6704 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6705 determine_common_wider_type): New functions.
6706 (get_computation_aff): Use them to simplify arithmetic between
6707 UBASE and CBASE if they are shortened from the same type.
6709 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6712 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6713 -2147483647 - 1 instead of 0x80000000.
6715 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6717 * flags.h (HONOR_NANS): Fix typo in comment.
6719 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6721 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6723 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6727 * tree.c (merge_attributes, attribute_list_contained): If both
6728 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6730 * c-typeck.c (comptypes_internal): Don't consider aggregates
6731 in different TUs as compatible if there one set of attributes is
6732 not a subset of the other type's attributes.
6733 (composite_type): Try harder not to create a new aggregate type.
6735 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6737 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6738 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6739 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6740 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6741 than replicating condition above.
6742 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6744 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6745 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6746 the linker by default.
6748 2006-09-22 Mike Stump <mrs@apple.com>
6750 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6753 2006-09-22 Richard Guenther <rguenther@suse.de>
6756 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6757 sort of stack variables stable.
6759 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6762 * explow.c (force_reg): Set REG_POINTER flag according to
6765 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6767 PR tree-optimization/28888
6768 * tree-if-conv.c (combine_blocks): Rewritten.
6769 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6770 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6772 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6774 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6777 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6779 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6781 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6783 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6785 2006-09-21 Roger Sayle <roger@eyesopen.com>
6788 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6789 dw_fde_current_label, to be the start of the function, i.e. the same
6790 value as dw_fde_begin.
6792 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6794 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6795 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6796 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6797 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6798 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6799 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6800 (abs<mode>2, neg<mode>2): Likewise.
6801 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6802 (*mips_abs_ps): New define_insn.
6804 2006-09-20 Josh Conner <jconner@apple.com>
6807 * calls.c (expand_call): Allow reuse of structure return stack
6810 2006-09-20 Paul Brook <paul@codesourcery.com>
6812 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6815 2006-09-20 Janis Johnson <janis187@us.ibm.com>
6817 * doc/extend.texi (Decimal Float): Update for latest draft TR,
6818 clean up terminology.
6820 2006-09-20 Steve Ellcey <sje@cup.hp.com>
6823 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
6824 with tablejumps in them.
6826 2006-09-20 Jakub Jelinek <jakub@redhat.com>
6829 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
6830 wrap it into TARGET_EXPR.
6832 2006-09-20 Eric Christopher <echristo@apple.com>
6834 * config/i386/i386.c (x86_fisttp): Remove.
6835 * config/i386/i386.h (x86_fisttp): Ditto.
6836 (TARGET_FISTTP): Ditto.
6838 2006-09-19 Eric Christopher <echristo@apple.com>
6840 * doc/tm.texi (OBJC_JBLEN): Describe.
6841 * config/i386/darwin.h (OBJC_JBLEN): Define.
6842 * config/rs6000/darwin.h: Ditto.
6844 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
6846 PR rtl-optimization/21299
6847 * reload1.c (reload): Purge invalid ASMs in the final pass.
6849 2006-09-19 Steve Ellcey <sje@cup.hp.com>
6852 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
6853 pointers as legitimate constants.
6855 2006-09-19 Paul Brook <paul@codesourcery.com>
6858 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
6860 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
6862 PR tree-optimization/28887
6863 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
6864 component parts from the reference.
6865 (gather_memory_references_ref): Record the reference without the
6866 nonaddressable component parts.
6868 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
6871 * c-opts.c (c_common_handle_option): Ignore the -std options
6872 if the input language is assembly.
6874 2006-09-17 Ira Rosen <irar@il.ibm.com>
6877 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
6879 (ptr_ptr_may_alias_p): Likewise.
6880 (record_record_differ_p): New function.
6881 (base_object_differ_p): Call record_record_differ_p.
6883 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6886 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
6887 away for the expr argument.
6889 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6892 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
6893 before using it for dumping after vectorizing loops.
6895 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6896 Jack Howarth <howarth@bromo.med.uc.edu>
6899 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
6900 skip on error_mark_node.
6901 (rs6000_darwin64_record_arg_recurse): Likewise.
6903 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6905 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
6906 * doc/rtl.texi: Remove related documentation.
6908 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
6910 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
6913 2006-09-15 Jim Wilson <wilson@specifix.com>
6915 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
6916 Handle symbol offsets same as they are handled in ia64_expand_move
6919 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
6921 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
6922 Add forgotten parameter to the fprintf call.
6924 2006-09-15 Steve Ellcey <sje@cup.hp.com>
6926 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
6928 2006-09-15 Uros Bizjak <uros@kss-loka.si>
6930 * doc/contrib.texi: Add my entry.
6932 2006-09-15 Nick Clifton <nickc@redhat.com>
6934 * doc/md.texi (Processor pipeline description): Fix typo in
6935 example of how to use the absence_set directive and reword the
6936 description to make it slightly easier to read.
6938 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
6940 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
6941 * loop-doloop.c (doloop_optimize): Use it to limit costs of
6942 expanding the number of iterations.
6943 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
6945 * cfgrtl.c (emit_insn_at_entry): New function.
6946 * rtl.h (emit_insn_at_entry): Declare it.
6947 * integrate.c (emit_initial_value_sets): Use it.
6949 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
6951 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
6953 (struct loop_work and related VEC declarations): Delete.
6954 (bfin_dump_loops): Print out new member bad.
6955 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
6956 (bfin_scan_loop): Don't recurse.
6957 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
6958 loops. No longer need to update outer loops if the current one is
6959 found bad. Move some validitiy checks to bfin_discover_loop.
6960 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
6961 but changed not to check for nesting. Also changed to use the new bad
6963 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
6964 time. Use bitmap based test to discover loop nesting.
6966 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
6968 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
6971 2006-09-14 Richard Guenther <rguenther@suse.de>
6972 Kazu Hirata <kazu@codesourcery.com>
6974 PR middle-end/28884.
6975 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
6976 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
6977 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
6978 with TARGET_FUNCTION_VALUE.
6980 2006-09-14 Anatoly Sokolov <aesok@post.ru>
6983 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
6985 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
6987 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
6990 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6993 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
6996 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
6998 * basic_block.h (bb_has_eh_pred): Fix comment.
7000 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7002 * flow.c (calculate_global_regs_live): Invalidate eh registers
7003 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
7004 (propagate_block): Handle eh registers as if they were set at basic
7006 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
7008 * global.c (global_conflicts): Make eh registers to conflict with
7009 pseudos live at basic block begin.
7010 * basic_block.h (bb_has_eh_pred): New function.
7012 2006-09-13 Richard Sandiford <richard@codesourcery.com>
7014 PR rtl-optimization/28982
7015 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
7016 index of a PRE_MODIFY or POST_MODIFY address.
7017 * reload1.c (inc_for_reload): Use find_replacement on the original
7018 base and index registers.
7020 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
7022 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
7023 for -Os. Update __m128 alignment requirement.
7025 2006-09-13 Jan Hubicka <jh@suse.cz>
7027 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
7029 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
7031 PR rtl-optimization/28243
7032 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7033 the insn to which the note was originally attached.
7035 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
7036 Roger Sayle <roger@eyesopen.com>
7038 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
7039 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
7040 on platforms that don't use dwarf for debug info.
7042 2006-09-12 Jason Merrill <jason@redhat.com>
7045 * builtins.c (expand_builtin_setjmp_receiver): Clobber
7046 hard_frame_pointer_rtx after using it to update the frame pointer.
7048 2006-09-12 Roger Sayle <roger@eyesopen.com>
7050 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
7051 (TARGET_ASM_CLOSE_PAREN): Likewise.
7052 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
7053 (TARGET_ASM_CLOSE_PAREN): Likewise.
7055 2006-09-12 Roger Sayle <roger@eyesopen.com>
7058 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
7059 frame information for frames larger than 512 Kbytes on Tru64 when
7060 using the native assembler.
7062 2006-09-12 Roger Sayle <roger@eyesopen.com>
7066 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
7067 and symbols. Instead use the implementation from cse.c's hash_rtx.
7069 2006-09-12 Jan Hubicka <jh@suse.cz>
7071 PR rtl-optimization/28071
7072 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
7073 (vect_transform_loop): Likewise.
7074 * tree-vectorizer.c (new_loop_vec_info): Likewise.
7075 (new_loop_vec_info): Likewise.
7076 (destroy_loop_vec_info): Likewise.
7077 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
7078 (create_stmt_ann): Likewise.
7079 (create_tree_ann): Rename to ...
7080 (create_tree_common_ann): ... this one; allocate only the common part
7082 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
7083 (get_value_handle): Likewise.
7084 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
7085 get_tree_common_ann.
7086 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
7087 (vinfo_for_stmt): Use stmt annotations.
7088 * tree-flow.h (tree_ann_common_t): New type.
7089 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
7090 (tree_ann, get_tree_ann, create_tree_ann): New.
7091 * tree-flow-inline.h (get_function_ann): Do more type checking.
7092 (stmt_ann): Likewise.
7093 (tree_ann): Rename to ...
7094 (tree_common_ann): ... this one; return ony common_ann
7095 (get_tree_ann): Rename to ...
7096 (tree_common_ann): This one; return only common_ann.
7097 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
7100 2006-09-11 Geoffrey Keating <geoffk@apple.com>
7102 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
7103 with_cpu by default.
7105 * dwarf2out.c (dwarf_file_data): New.
7106 (enum dw_val_class): Add dw_val_class_file.
7107 (struct dw_val_struct): Add val_file.
7108 (file_table): Change to a hash table.
7109 (file_table_emitted): Delete.
7110 (file_table_last_lookup_index): Delete.
7111 (emitcount): Delete.
7112 (last_emitted_file): New.
7113 (lookup_filename): Change prototype to return a struct dwarf_file_data.
7114 (init_file_table): Delete.
7115 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
7116 (AT_addr): Add comment.
7120 (print_die): Handle dw_val_class_file.
7121 (print_dwarf_line_table): Update for new file table structure.
7122 (attr_checksum): Do checksum a filename.
7123 (same_dw_val_p, same_attr_p): Do compare a filename.
7124 (size_of_die): Handle dw_val_class_file.
7125 (value_format): Likewise.
7126 (output_die): Likewise. Also, call maybe_emit_file here.
7127 (struct file_info): Constify filenames. Make file_idx a pointer
7128 to a struct dwarf_file_data.
7129 (struct dir_info): Constify directory names. Remove 'used' field.
7130 (struct file_name_acquire_data): New.
7131 (file_name_acquire): New.
7132 (output_file_names): Modify to handle new file data structures.
7133 (add_src_coords_attributes): Use add_AT_file.
7134 (add_call_src_coords_attributes): Likewise.
7135 (dwarf2out_imported_module_or_decl): Likewise.
7136 (gen_subprogram_die): Modify for new file data structures.
7137 (gen_variable_die): Likewise.
7138 (file_table_eq): New.
7139 (file_table_hash): New.
7140 (file_table_last_lookup): New.
7141 (lookup_filename): Rewrite to handle new file data structures.
7142 (maybe_emit_file): Rewrite to handle new file data structures.
7143 (dwarf2out_source_line): Always call lookup_filename and
7145 (dwarf2out_init): Create file_table here.
7146 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
7147 (file_table_relative_p): New.
7148 (dwarf2out_finish): Change detection of relative filenames
7149 to work with new file data structures. Move output_line_info call
7150 after debug_info output.
7152 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
7157 * config/i386/i386.c (override_options): Always default to 16
7158 byte stack boundary.
7160 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
7163 * var-tracking.c (dump_dataflow_set): Start dumping at
7165 (clobber_variable_part): Kill only the variable part in
7166 registers holding it, leaving other variables alone.
7168 2006-09-11 Josh Triplett <josh@freedesktop.org>
7170 * doc/extend.texi (Other Builtins): Actually use the macro
7171 argument in the documentation example for
7172 __builtin_types_compatible_p.
7174 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7176 PR rtl-optimization/28726
7177 * sched-deps.c (sched_analyze_reg): New function extracted from...
7178 (sched_analyze_1): ...here. Call it to analyze references to
7179 registers. Treat again writes to a stack register as writing to the
7181 (sched_analyze_2): ...and here. Call it to analyze references to
7182 registers. Treat again reads of a stack register as reading the
7185 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
7186 David Edelsohn <edelsohn@gnu.org>
7189 * config/rs6000/spe.md (frob_df_di): Remove %H.
7190 (frob_di_df): Remove %H. Change evmergelo to mr.
7191 (frob_di_df_2): Remove %H. Change evldd to two loads.
7193 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
7195 * doc/cpp.texi: Fix names of charset options.
7197 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
7200 * config/i386/i386.c (override_options): Use 128-bit
7201 stack boundary always for 64bits.
7203 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7205 PR rtl-optimization/28636
7206 * combine.c (force_to_mode): Test for side-effects before
7207 substituting by zero.
7208 (simplify_shift_const): Likewise for zero or other constants.
7210 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
7213 * builtins.c (expand_builtin_setjmp): Force next_lab to be
7216 2006-09-10 Richard Sandiford <richard@codesourcery.com>
7219 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
7220 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
7221 returned by mode_for_size, rather than the mode of src itself,
7222 to choose between 32-bit and 64-bit patterns.
7223 (mips_mem_fits_mode_p): New function.
7224 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
7225 that the size of the source matches the size of the destination.
7226 (mov_<store>l, mov_<store>r): Likewise.
7228 2006-09-10 Eric Christopher <echristo@apple.com>
7230 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
7233 2006-09-09 Eric Christopher <echristo@apple.com>
7236 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
7239 2006-09-09 Roger Sayle <roger@eyesopen.com>
7240 Nicolas Setton <setton@adacore.com>
7242 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
7244 2006-09-10 Andreas Schwab <schwab@suse.de>
7246 * config/m68k/m68k.md (bungt_rev): New pattern.
7248 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
7249 Dale Johannesen <dalej@apple.com>
7252 * regclass.c (struct reg_pref): Update documentation.
7253 (regclass): Set prefclass to NO_REGS if memory is the best option.
7254 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7256 2006-09-08 Eric Christopher <echristo@apple.com>
7258 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
7259 * config/t-slibgcc-darwin: Support x86_64 multilib.
7260 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
7261 Return 1 for x86_64-darwin.
7262 * config/i386/t-darwin: Add m64 multilib.
7263 (LIB2_SIDITI_CONV_FUNCS): Use.
7264 (LIB2FUNCS_EXTRA): Ditto.
7265 * config/i386/darwin.h: Support x86_64.
7266 * config/i386/i386.c (override_options): Turn on flag_pic
7267 for x86_64-darwin. Disable flag_omit_pointer.
7268 (get_pc_thunk_name): Assert !TARGET_64BIT.
7269 (legitimate_address_p): Disable machopic addressing for
7271 (legitimize_pic_address): Ditto.
7272 (ix86_expand_move): Ditto.
7273 (ix86_expand_call): Ditto.
7274 (machopic_output_stub): Ditto.
7275 * config/darwin.c (machopic_select_section): Support literal16.
7276 (machopic_select_rtx_section): Ditto.
7277 * config/darwin-sections.def: Ditto.
7278 * config/darwin-64.c: New.
7280 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
7283 * c-tree.h (struct c_arg_info): Add pending_sizes.
7284 * c-parser.c (c_parser_parms_declarator,
7285 c_parser_parms_list_declarator): Initialize pending_sizes.
7286 * c-decl.c (get_parm_info): Initialize pending_sizes.
7287 (get_parm_info): Set pending_sizes.
7288 (grokdeclarator): Call put_pending_sizes for parameters for
7289 function definition only.
7291 2006-09-07 Jason Merrill <jason@redhat.com>
7294 * varasm.c (output_constant): Only strip actual no-op conversions.
7297 * config/i386/i386.c (override_options): Use 128-bit
7298 stack boundary if -msse.
7300 2006-09-07 Eric Christopher <echristo@apple.com>
7302 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
7304 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
7307 2006-09-07 Geoffrey Keating <geoffk@apple.com>
7309 * dwarf2out.c: Remove strange characters from comment above
7310 dwarf2out_frame_debug_expr.
7312 2006-09-07 Eric Christopher <echristo@apple.com>
7314 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
7315 * config/darwin.h: ... to here.
7317 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
7319 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
7321 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
7322 (TARGET_PARTIAL_FLAG_REG_STALL): New.
7324 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
7325 TARGET_PARTIAL_FLAG_REG_STALL.
7326 (*ashldi3_cconly_rex64): Likewise.
7327 (*ashlsi3_cmp): Likewise.
7328 (*ashlsi3_cconly): Likewise.
7329 (*ashlsi3_cmp_zext): Likewise.
7330 (*ashlhi3_cmp): Likewise.
7331 (*ashlhi3_cconly): Likewise.
7332 (*ashlqi3_cmp): Likewise.
7333 (*ashlqi3_cconly): Likewise.
7334 (*ashrdi3_cmp_rex64): Likewise.
7335 (*ashrdi3_cconly_rex64): Likewise.
7336 (*ashrsi3_cmp): Likewise.
7337 (*ashrsi3_cconly): Likewise.
7338 (*ashrsi3_cmp_zext): Likewise.
7339 (*ashrhi3_cmp): Likewise.
7340 (*ashrhi3_cconly): Likewise.
7341 (*ashrqi3_cmp): Likewise.
7342 (*ashrqi3_cconly): Likewise.
7343 (*lshrdi3_cmp_rex64): Likewise.
7344 (*lshrdi3_cconly_rex64): Likewise.
7345 (*lshrsi3_cmp): Likewise.
7346 (*lshrsi3_cconly): Likewise.
7347 (*lshrsi3_cmp_zext): Likewise.
7348 (*lshrhi3_cmp): Likewise.
7349 (*lshrhi3_cconly): Likewise.
7350 (*lshrqi2_cmp): Likewise.
7351 (*lshrqi2_cconly): Likewise.
7353 2006-09-07 Uros Bizjak <uros@kss-loka.si>
7356 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
7357 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
7358 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
7359 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
7360 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
7361 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
7362 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
7363 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
7364 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
7365 implement only CC setting effects of shift instructions.
7367 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
7369 * doc/contrib.texi: Add myself.
7371 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
7374 * stor-layout.c (relayout_decl): Don't zero the alignment if it
7375 was set by the user.
7377 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
7380 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
7381 (divsi_inv_m1): Use them.
7382 (UNSPEC_DIV_INV_TABLE): New constant.
7384 2006-09-06 James E Wilson <wilson@specifix.com>
7387 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
7388 then call count_or_remove_death_notes.
7390 2006-09-06 Jason Merrill <jason@redhat.com>
7393 * tree-inline.c (copy_result_decl_to_var): New fn.
7394 (declare_return_variable): Use it. Call declare_inline_vars here.
7395 (expand_call_inline): Not here.
7397 2006-09-06 Diego Novillo <dnovillo@redhat.com>
7399 * doc/contrib.texi: Update my entry.
7401 2006-09-06 Nick Clifton <nickc@redhat.com>
7403 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
7405 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7408 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
7409 (canonicalize_induction_variables): Likewise.
7410 (tree_unroll_loops_completely): Likewise.
7411 (tree_ssa_prefetch_arrays): Likewise.
7412 (remove_empty_loops): Likewise.
7413 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
7414 TODO_cleanup_cfg instead of directly calling
7415 cleanup_tree_cfg_loop.
7416 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
7418 (tree_unroll_loops_completely): Likewise.
7419 (remove_empty_loops): Likewise.
7420 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
7421 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
7422 of tree_ssa_unswitch_loops.
7423 (tree_ssa_loop_ivcanon): Use the return value of
7424 canonicalize_induction_variables.
7425 (tree_ssa_empty_loop): Use the return value of
7427 (tree_complete_unroll): Use the return value of
7428 tree_unroll_loops_completely.
7429 (tree_ssa_loop_prefetch): Use the return value of
7430 tree_ssa_prefetch_arrays.
7431 * passes.c (execute_todo): Before Cleanup CFG, set
7432 updating_used_alone and after cleanup CFG, call
7433 recalculate_used_alone.
7435 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7438 * tree-vect-transform.c (vectorizable_condition): Move the check
7439 for the type after the check for simple condition.
7441 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
7442 Kaz Kojima <kkojima@gcc.gnu.org>
7445 * mode-switching.c (optimize_mode_switching): Make the destination
7446 block of an abnormal edge have no anticipatable mode. Don't
7447 insert mode switching code at the end of the source block of
7450 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
7452 PR rtl-optimization/26847
7453 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
7454 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
7455 (simplify_plus_minus): Count n_constants while filling ops. Replace
7456 qsort with insertion sort. Before going through the array to simplify
7457 pairs, sort it. Delay early exit until after the first sort, exiting
7458 only if no swaps occurred. Simplify pairs in reversed order, without
7459 special-casing the first iteration. Pack ops after simplifying pairs.
7461 2006-09-05 Anatoly Sokolov <aesok@post.ru>
7463 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
7464 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7465 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7466 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
7468 2006-09-05 Richard Guenther <rguenther@suse.de>
7470 PR tree-optimization/28900
7471 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
7472 compound conditional before creating COND_EXPR condition.
7474 2006-09-05 Richard Guenther <rguenther@suse.de>
7476 PR tree-optimization/28905
7477 * tree-vrp.c (fix_equivalence_set): Manually implement
7478 !value_ranges_intersect_p to also handle symbolic ranges.
7480 2006-09-05 Richard Guenther <rguenther@suse.de>
7483 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
7486 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7488 PR rtl-optimization/27616
7489 * cse.c (table_size): New static variable.
7490 (new_basic_block): Initialize it to 0.
7491 (remove_from_table): Decrement it.
7492 (insert): Increment it.
7493 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
7494 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
7495 fold_rtx_mem_1 if under the cap.
7496 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
7497 the lookup of the equivalent expression and test for equality of the
7498 first operand of the equivalent expression before in turn looking up
7499 an equivalent constant for the second operand.
7501 2006-09-02 Geoffrey Keating <geoffk@apple.com>
7504 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7505 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7506 pointer, instead of assuming it is possible to derive the
7507 correct args size from a call insn.
7509 2006-09-02 Jakub Jelinek <jakub@redhat.com>
7512 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
7513 (fold_builtin_mempcpy): Rename to...
7514 (fold_builtin_memory_op): ... this. Optimize one element copy
7516 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
7518 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
7519 (expand_builtin_memcpy, expand_builtin_mempcpy,
7520 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
7521 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
7522 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
7523 BUILT_IN_MEM{CPY,PCPY,MOVE}.
7525 2006-09-01 DJ Delorie <dj@redhat.com>
7527 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
7528 (stzx_16): Likewise.
7529 ("stzx_24_<mode>"): Likewise.
7530 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
7531 ("cmp<mode>_op"): New.
7532 (cmp<mode>): Change to expander; just save operands.
7534 (b<code>): Change to expander, emit compare here.
7535 (s<code>_op): Change to use split and expander.
7536 (s<code>_24_op): Likewise.
7537 (s<code>_<mode>): New.
7538 (s<code>_<mode>_24): New.
7539 (movqicc_<code>_<mode): New.
7540 (movhicc_<code>_<mode>): New.
7543 * config/m32c/m32c.c (compare_op0, compare_op1): New.
7544 (m32c_pend_compare): New.
7545 (m32c_unpend_compare): New.
7546 (m32c_expand_scc): New.
7547 (m32c_expand_movcc): Emit the compare also.
7548 * config/m32c/predicates.md (mra_nopp_operand): New.
7550 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
7551 Richard Guenther <rguenther@suse.de>
7552 Adam Nemet <anemet@caviumnetworks.com>
7555 * builtins.c (get_pointer_alignment): Handle more forms
7556 of base addresses that can be used to derive more precise
7557 information about alignment.
7559 2006-09-01 Jason Merrill <jason@redhat.com>
7562 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
7565 * gimplify.c (voidify_wrapper_expr): Handle null type.
7567 2006-09-01 Josh Conner <jconner@apple.com>
7570 * tree-nrv.c (dest_safe_for_nrv_p): New function.
7571 (execute_return_slot_opt): Use it.
7573 2006-08-31 Josh Conner <jconner@apple.com>
7576 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
7577 returning aggregates.
7579 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
7581 PR tree-optimization/28839
7582 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
7583 blocks in that phi arguments appear.
7585 2006-08-31 Roger Sayle <roger@eyesopen.com>
7588 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
7589 NULL, otherwise use an advance_loc4 to adjust relative to the
7591 (output_cfi) <DW_CFA_set_loc>: Update the current label.
7592 (dwarf2out_switch_text_section): Reset the current label to avoid
7593 using advance_loc4 over section boundaries.
7595 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
7598 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
7599 r12 + SYMBOLIC_CONST.
7601 2006-08-30 Richard Guenther <rguenther@suse.de>
7603 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7605 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7607 PR rtl-optimization/27735
7608 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7609 Add new argument to keep track of whether an irreducible region
7610 was affected. All callers changed.
7611 (fix_irreducible_loops): Removed.
7612 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7613 flags were invalidated.
7615 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7617 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7618 instead of SF operands.
7619 (*fop_df_comm_sse): Likewise.
7620 (*fop_df_comm_i387): Likewise.
7621 (*fop_df_1_mixed): Likewise.
7622 (*fop_df_1_sse): Likewise.
7624 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7625 J"orn Rennecke <joern.rennecke@st.com>
7627 PR tree-optimization/17506
7628 * tree-ssa.c (warn_uninit): If warning about a location outside of
7629 the current function, note where the variable was declared.
7631 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7633 PR tree-optimization/28411
7634 * double-int.c (double_int_div): Use double_int_divmod.
7635 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7636 double_int_mod, double_int_smod, double_int_umod): New functions.
7637 * double-int.h (double_int_divmod, double_int_sdivmod,
7638 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7640 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7642 (get_computation_aff, get_computation_cost_at): Handle double_int
7643 return type of constant_multiple_of.
7645 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7648 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7649 an implicit conversion.
7651 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7653 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7655 2006-08-27 Roger Sayle <roger@eyesopen.com>
7657 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7660 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7662 * config/i386/crtfastmath.c: Fix a comment typo.
7664 2006-08-26 Roger Sayle <roger@eyesopen.com>
7666 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7667 temporary visit flags on CASE_LABEL_EXPRs.
7668 * c-common.c (match_case_to_enum): Add function comment. Avoid
7669 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7670 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7671 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7672 a constant, only warn if that constant value isn't handled.
7674 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7677 * input.h (restore_input_file_stack): Declare.
7678 (INPUT_FILE_STACK_BITS): Define.
7679 * toplev.c (fs_p, input_file_stack_history,
7680 input_file_stack_restored, restore_input_file_stack): New.
7681 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7682 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7683 (pop_srcloc): Don't free old state of stack.
7685 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7688 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7689 (PowerPC Type Attributes): New.
7691 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7693 * config/xtensa/xtensa.c (function_arg_boundary): New.
7694 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7696 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7697 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7699 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7702 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7705 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7707 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7708 (verify_local_live_at_start): Likewise.
7710 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7713 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7714 omp_add_variable): Treat sizes as variable whenever not
7717 2006-08-26 Richard Guenther <rguenther@suse.de>
7720 * fold-const.c (fold_binary): Fold temporary to correct
7721 type before constructing new comparison.
7723 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7726 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7727 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7729 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7732 * c-decl.c (start_function): Don't try to process prototype
7733 information from old declaration that isn't a function.
7735 2006-08-25 Jan Hubicka <jh@suse.cz>
7738 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7740 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7743 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7746 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7748 PR tree-optimization/16876
7749 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7750 exit if PARM doesn't match VALUE.
7752 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7754 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7755 literal_prefix directive.
7756 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7757 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7758 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7760 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7763 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7764 predicate to general_operand. Add 0->y and I->r alternatives.
7766 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7768 * doc/tm.texi: Fix a typo.
7769 * predict.c: Fix comment typos.
7771 2006-08-25 Nick Clifton <nickc@redhat.com>
7773 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7774 assertions of "cpu" and "machine".
7776 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7779 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7780 the access through a base which has an alias set of 0 cannot
7783 2006-08-24 Bill Wendling <wendling@apple.com>
7785 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7787 2006-08-24 Jan Hubicka <jh@suse.cz>
7789 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7791 2006-08-24 Jan Hubicka <jh@suse.cz>
7794 * cgraph.c: Fix comments.
7795 (cgraph_varpool_mark_needed_node): Mark only variables not already
7797 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7798 (cgraph_varpool_assembled_nodes_queue): New static variable.
7799 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7800 (cgraph_varpool_output_debug_info): New function.
7801 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7802 * Makefile.in: Add gt-cgraphunit.h
7804 2006-08-24 Jan Hubicka <jh@suse.cz>
7806 * predict.c (probability_reliable_p): New predicate.
7807 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7808 (predict_loops): Do not predict loop exit with less than 2%
7810 * basic-block.h (edge_probability_reliable_p,
7811 br_prob_note_reliable_p): Declare.
7812 * ia64.h (ia64_print_operand): Do not disable on-chip branch
7813 prediction when static predictor is not reliable.
7814 * rs6000.c (output_cbranch): Likewise.
7816 2006-08-23 Stuart Hastings <stuart@apple.com>
7819 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
7820 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
7822 2006-08-21 Geoffrey Keating <geoffk@apple.com>
7825 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
7826 complex values, nor for generic vector values.
7828 2006-08-22 Richard Guenther <rguenther@suse.de>
7831 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
7832 parameter. Convert arguments to arithmetic expression to the
7834 (analyze_scalar_evolution_1): Adjust caller.
7836 2006-08-22 Jan Hubicka <jh@suse.cz>
7838 Patch by Paolo Bonzini
7839 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
7842 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
7844 PR tree-optimization/28003
7845 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
7846 before grouping aliases.
7848 2006-08-22 Roger Sayle <roger@eyesopen.com>
7850 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
7851 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
7853 2006-08-21 Jason Merrill <jason@redhat.com>
7856 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
7857 wrapper. Loop to handle nested wrappers.
7858 (gimplify_bind_expr): Remove temp parameter.
7859 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
7860 and STATEMENT_LIST on the rhs.
7861 (gimplify_statement_list): Voidify the STATEMENT_LIST.
7862 (gimplify_expr): Pass pre_p to gimplify_statement_list.
7863 (gimplify_target_expr): Remove special BIND_EXPR handling.
7865 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
7867 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
7870 2006-08-21 Olivier Hainque <hainque@adacore.com>
7872 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
7873 Arrange for the temporary captures of components overlapping the lhs
7874 to happen before the lhs is possibly cleared.
7876 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
7878 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
7879 necessary places to pass the correct "number of registers" values
7882 2006-08-20 Jan Hubicka <jh@suse.cz>
7884 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
7885 (create_name_tags): Instead of quadratic checking use hashtable.
7886 * bitmap.h: Include hashtab.h.
7887 (bitmap_hash): Declare.
7888 * bitmap.c (bitmap_hash): New function.
7890 2006-08-20 Jan Hubicka <jh@suse.cz>
7892 PR rtl-optimization/28071
7893 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
7895 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
7896 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
7897 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
7898 cgraph_decide_inlining_incrementally): Update use of
7899 cgraph_check_inline_limits.
7900 * cgraph.c (edge_hash, edge_eq): New function.
7901 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
7902 cgraph_edge_remove_caller, cgraph_node_remove_callees,
7903 cgraph_remove_node): Maintain call site hash.
7904 * cgraph.h (struct cgraph_node): Add call_site_hash.
7905 (cgraph_set_call_stmt): New function.
7907 2006-08-20 Jan Hubicka <jh@suse.cz>
7909 PR rtl-optimization/28071
7910 * reload1.c (reg_has_output_reload): Turn into regset.
7911 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
7912 choose_reload_regs, emit_reload_insns): Update to new
7913 reg_has_output_reload.
7915 2006-08-20 Jan Hubicka <jh@suse.cz>
7918 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
7919 function body sizes.
7920 * cgraphunit.c (cgraph_analyze_function): Don't do so.
7922 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
7925 * tree.c (handle_dll_attribute): Return early if not a
7926 var or function decl.
7928 2006-08-18 Joseph Myers <joseph@codesourcery.com>
7931 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
7932 alignment of SPE vector types.
7934 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
7936 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
7938 2006-08-17 Jakub Jelinek <jakub@redhat.com>
7941 * cgraph.h (struct cgraph_node): Remove externally_visible
7943 * cgraphunit.c (process_function_and_variable_attributes): Set
7944 local.externally_visible rather than externally_visible.
7947 * c-common.c (handle_externally_visible_attribute): First look
7948 at TREE_CODE and only if it is function or var decl, check for
7949 non-public objects. Don't warn for DECL_EXTERNAL.
7950 * cgraphunit.c (process_function_and_variable_attributes): Warn
7951 if externally_visible attribute is used on non-public object.
7953 2006-08-17 Jan Hubicka <jh@suse.cz>
7955 PR tree-optimization/27865
7956 * reload1.c (forget_marked_reloads): New function.
7957 (forget_old_reloads_1): When data are passed, just mark the registers
7959 (reload_as_needed): Use the new mechanizm.
7961 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
7964 * reload.h (reg_equiv_alt_mem_list): New declaration.
7965 * reload1.c (reg_equiv_alt_mem_list): New definition.
7966 (reload): Initialize it and release it.
7967 (delete_output_reload): Use it.
7968 * reload.c (push_reg_equiv_alt_mem): New function.
7969 (find_reloads_toplev): Call it.
7970 (find_reloads_address, find_reloads_address_1): Likewise.
7971 (find_reloads_subreg_address): Likewise.
7973 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7975 PR rtl-optimization/28489
7976 * sched-ebb.c (begin_schedule_ready): Create basic block
7978 (advance_target_bb): Skip empty blocks.
7979 * haifa-sched.c (bb_note): Make global.
7980 * sched-int.h (bb_note): Add prototype.
7982 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7984 PR tree-optimization/27865
7985 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
7987 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
7988 fold_used_pointer, pointer_used_p): New functions.
7989 (analyze_scalar_evolution_1): Use fold_used_pointer.
7990 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
7991 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
7994 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
7997 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
7998 or the INTEGER_CST. Fail on a CALL_EXPR.
7999 (fold_offsetof): Pass new argument to fold_offsetof_1.
8000 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
8001 operand into an INDIRECT_REF.
8002 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
8004 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8006 PR gcov/profile/26570
8007 * value-prof.c (static_values): Removed.
8008 (tree_find_values_to_profile): Do not set static_values.
8009 (find_values_to_profile): Do not free static_values.
8010 * profile.c (instrument_values): Do not free the values.
8011 (branch_prob): Free the values.
8013 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
8015 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
8017 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
8020 * c-typeck.c (build_component_ref): Combine qualifiers of
8021 structure or union and field.
8023 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8025 PR rtl-optimization/28071
8026 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
8027 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
8028 * tree-into-ssa.c (struct dom_dfsnum): New.
8029 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
8031 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
8032 compute_global_livein.
8033 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
8034 in phi nodes in the correct blocks.
8036 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8038 PR tree-optimization/28364
8039 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
8041 (fold_affine_expr): New function.
8042 (may_eliminate_iv): Use fold_affine_expr.
8044 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8047 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
8050 2006-08-16 Mike Stump <mrs@apple.com>
8052 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
8053 * doc/cppopts.texi (-MD): Likewise.
8055 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
8058 * c-common.c (handle_weak_attribute): Ignore and warn if
8059 not a FUNCTION_ or VAR_DECL.
8061 2006-07-15 Mike Stump <mrs@apple.com>
8064 * c-parser.c (c_parser_typeof_specifier): Don't use
8065 c_finish_expr_stmt, open code desired semantics instead.
8067 2006-08-15 Nick Clifton <nickc@redhat.com>
8069 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
8070 fragment to tmake_file only if threads are enabled.
8071 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
8072 * config/i386/t-gthr-win32: New file. ... here.
8074 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8077 * c-parser.c (c_parser_compound_statement_nostart): Reset
8078 parser->error after each statement.
8080 2006-08-15 Jakub Jelinek <jakub@redhat.com>
8083 * omp-low.c (lower_omp_parallel): Convert t to
8084 receiver_decl's type.
8085 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
8086 source before comparison.
8089 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
8090 to itype in assignment to oldival2.
8092 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
8096 * c-typeck.c (build_compound_expr): If the second expression
8097 is an error mark, then just return an error mark instead of
8098 creating a COMPOUND_EXPR.
8100 2006-07-14 Mike Stump <mrs@apple.com>
8102 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
8104 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
8106 * c-decl.c, var-tracking.c: Fix comment typos.
8108 2006-08-14 Richard Sandiford <richard@codesourcery.com>
8110 PR rtl-optimization/28634
8111 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
8112 for floating-point modes unless flag_unsafe_math_optimizations.
8114 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
8115 Andrew Pinski <pinskia@physics.uc.edu>
8118 * tree.c (build_array_type): Unify array types with
8119 unspecified index_type.
8120 * c-decl.c (grokdeclarator): Make sure we do not modify a
8121 unified incomplete array type.
8122 * c-typeck.c (store_init_value): Create distinct type before
8123 filling in the index type in an initializer from a compound
8126 * c-decl.c (grokdeclarator): Remove code where we copy the
8129 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
8131 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
8132 into account for TODO_dump_cgraph.
8133 (TODO_update_ssa_no_phi): Likewise.
8134 (TODO_update_ssa_full_phi): Likewise.
8135 (TODO_update_ssa_only_virtuals): Likewise.
8136 (TODO_remove_unused_locals): Likewise.
8137 (TODO_set_props): Likewise.
8138 (TODO_update_stmt_usage): Likewise.
8140 2006-08-13 Dirk Mueller <dmueller@suse.de>
8142 * c-common.c (strict_aliasing_warning): Fix formatting.
8144 2006-08-13 Matthias Klose <doko@debian.org>
8146 * doc/invoke.texi: Fix spelling errors.
8148 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8150 PR rtl-optimization/23454
8151 * reorg.c (relax_delay_slots): Update comment.
8153 2006-08-11 Richard Guenther <rguenther@suse.de>
8156 * simplify-rtx.c (simplify_const_relational_operation):
8157 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
8160 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
8162 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
8163 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
8165 2006-08-10 Paul Brook <paul@codesourcery.com>
8167 * final.c (final_scan_insn): Clear current_insn_predicate before
8168 outputting inline asm.
8170 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
8172 PR tree-optimization/26197
8173 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
8174 get_ref_base_and_extent and overlap_subvar to add only relevant
8175 subvars as may-aliases.
8176 (add_may_alias_for_new_tag): New function, factored out of
8178 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
8179 with additional argument.
8180 * tree-flow.h (new_type_alias): Takes additional argument.
8182 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
8184 * gcov.c (no_data_file): New flag.
8185 (read_count_file): Set it if data file not present. Assume counts
8187 (output_lines): Don't name the data file, if there wasn't one.
8189 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
8191 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
8192 (rs6000_generate_compare): Tweak comments.
8193 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
8195 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
8197 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
8198 (var_debug_decl): New function.
8199 (var_reg_set): Follow debug decl link. Add location even if
8200 reg is already known to hold some other variable.
8201 (var_mem_set): Follow debug decl link.
8202 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
8203 decl link. Delete other known locations of the variable part
8205 (var_reg_delete, var_mem_delete): Delete other known locations
8206 of the variable part if requested.
8207 (same_variable_part_p): New function.
8208 (add_stores): Select MO_COPY when appropriate.
8209 (vt_initialize): Handle it.
8210 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
8211 known locations for MO_SET and MO_CLOBBER.
8212 (find_variable_location_part): New function.
8213 (set_variable_part, delete_variable_part): Use it.
8214 (clobber_variable_part): New function.
8215 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
8218 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
8220 PR tree-optimization/26969
8221 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
8222 with an empty list of PHIs.
8224 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
8228 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
8231 2006-08-06 Andreas Schwab <schwab@suse.de>
8233 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
8234 string. Whitespace and comment fixup.
8236 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8239 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
8243 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
8246 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
8248 2006-08-04 Jan Hubicka <jh@suse.cz>
8252 * reload.c (push_reload): Patch out the mismatching instruction;
8254 (find_reload): Bail out if the instruction was patched out.
8256 2006-08-04 Jan Hubicka <jh@suse.cz>
8258 PR tree-optimization/24888
8259 * tree-inline.c (expand_call_inline): Do not re-record variables.
8260 (declare_inline_vars): Add variable to unexpanded_var_list.
8262 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8263 Roger Sayle <roger@eyesopen.com>
8265 PR rtl-optimization/26244
8266 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
8267 inner_const are negative or greater than or equal to the bitsize of
8268 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
8269 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
8270 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
8271 CONST0_RTX (mode) when the new shift count is greater than or equal to
8272 to the bitsize of the object being shifted and XEXP (y, 0) has no side
8275 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
8277 * tree-cfg.c: Fix a comment typo.
8279 2006-08-03 Mark Mitchell <mark@codesourcery.com>
8282 * varasm.c (output_constant): Give the front end another chance to
8283 expand constants, after stripping NOPs.
8285 2006-08-03 Jan Hubicka <jh@suse.cz>
8287 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
8290 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
8292 PR tree-optimization/27770
8293 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
8294 declaration removed (moved to tree-flow.h).
8295 (vect_can_force_dr_alignment_p): Likewise.
8296 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
8297 (moved from tree-vectorizer.h).
8298 (vect_can_force_dr_alignment_p): Likewise.
8299 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
8300 from outside the vectorizer - in particular from cgraph stage.
8301 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
8302 the alignment of global arrays when -fsection-anchors is enabled.
8303 * cgraphunit.c (cgraph_increase_alignment): New function.
8304 (cgraph_optimize): Call cgraph_increase_alignment.
8306 2006-08-03 David Edelsohn <edelsohn@gnu.org>
8309 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
8310 not reload a SPE symbol_ref into a lo_sum address.
8312 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
8315 * dwarf2out.c (prune_unused_types_prune): Move call to
8316 prune_unused_types_update_strings to cover the parent DIE also.
8318 2006-08-02 Jan Hubicka <jh@suse.cz>
8320 PR gcov/profile/28480
8321 * tree-cfg.c (change_bb_for_stmt): New function.
8322 (tree_merge_blocks, tree_split_blocks): Use it.
8324 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8330 * toplev.c (compile_file): Return early on errorcount or sorrycount.
8331 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
8332 (cgraph_optimize): Likewise.
8334 2006-08-01 Stuart Hastings <stuart@apple.com>
8336 * rtl.h (UINTVAL) New.
8337 * config/rs6000/rs6000.c (SMALL_INT) Use it.
8338 * testsuite/gcc.dg/20060801-1.c: New.
8340 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
8343 * c-typeck.c (build_external_type): Mark used enum types.
8344 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
8346 (gen_subprogram_die): Whitespace fix.
8348 2006-08-01 Jan Hubicka <jh@suse.cz>
8350 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
8351 bitmap when not needed.
8352 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
8355 2006-08-01 Dirk Mueller <dmueller@suse.de>
8357 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
8359 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8361 * Makefile.in: Revert part of previous patch:
8362 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
8365 2006-07-30 Eric Christopher <echristo@apple.com>
8368 * doc/extend.texi (i386 Variable Attributes): Add anchor.
8369 (PowerPC Variable Attributes): New section.
8371 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
8373 PR target/28126 (partial fix)
8374 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
8376 2006-07-28 Jan Hubicka <jh@suse.cz>
8378 PR rtl-optimization/28071
8379 * cfgrtl.c (rtl_delete_block): Free regsets.
8380 * flow.c (allocate_bb_life_data): Re-use regsets if available.
8382 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8384 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
8385 and variables used in dependencies.
8387 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
8389 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
8390 %fs for -mcmodel=kernel.
8391 (stack_tls_protect_test_di): Likewise.
8393 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
8395 * Makefile.in: Use mkinstalldirs.
8397 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
8400 * opts-common.c (prune_options): Skip joined switches.
8402 2006-07-27 Jan Hubicka <jh@suse.cz>
8404 PR rtl-optimization/28071
8405 * cselib.c (cselib_process_insn): Don't remove useless values too
8406 often for very large hashtables.
8408 2006-07-27 Jan Hubicka <jh@suse.cz>
8410 PR rtl-optimization/28071
8411 * global.c (greg_obstack): New obstack.
8412 (allocate_bb_info): Use it.
8413 (free_bb_info): Likewise.
8414 (modify_reg_pav): Likewise.
8416 2006-07-27 Roger Sayle <roger@eyesopen.com>
8418 * builtins.c (fold_fixed_mathfn): When long and long long are the
8419 same size, canonicalize llceil*, llfloor*, llround* and llrint*
8420 functions to their lceil*, lfloor*, lround* and lrint* forms.
8422 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8425 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
8427 (rev_branch_insn): Likewise.
8429 2006-07-27 Jan Hubicka <jh@suse.cz>
8431 PR rtl-optimization/28071
8432 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
8433 (reg_set_in_bb, max_reg_computed): New static variables.
8434 (regmove_optimize): Free the new array.
8435 (fixup_match_1): Update call of reg_is_remote_constant_p.
8437 2006-07-26 Jan Hubicka <jh@suse.cz>
8439 PR tree-optimization/27882
8440 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
8442 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
8444 (cgraph_analyze_compilation_unit): Likewise.
8445 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
8446 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
8447 (cgraph_early_inlinine): Make order garbage collected.
8448 * Makefile.in (gt-ipa-inline): New garbagecollected file.
8450 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8452 * dbxout.c (output_types_sort): Add a comment.
8453 (output_used_types): Free the VEC.
8455 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8457 * function.c (reorder_fix_fragments): Delete.
8458 (reorder_blocks): Don't call it.
8459 (reorder_blocks_1): Put all subblocks under the origin block.
8461 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
8463 PR rtl-optimization/27907
8464 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
8467 2006-07-25 Roger Sayle <roger@eyesopen.com>
8470 * convert.c (convert_to_integer): When transforming (T)foo(x) into
8471 bar(x) check that bar's result type can represent all the values of T.
8473 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
8475 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
8477 2006-07-25 Nick Clifton <nickc@redhat.com>
8479 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
8480 size_lookup[] array.
8481 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
8482 (ggc_pch_count_object): Likewise.
8483 (ggc_pch_alloc_object): Likewise.
8484 (ggc_pch_write_object): Likewise.
8485 (init_ggc): Do not attempt to initialize entries in the
8486 size_lookup[] array for objects whose size is greater than than
8487 the length of the array.
8489 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
8491 * dbxout.c (output_used_types_helper): Push queued types
8493 (output_types_sort): New.
8494 (output_used_types): Collect used types on a VEC and sort them
8497 2006-07-24 Richard Guenther <rguenther@suse.de>
8500 * cgraph.c (cgraph_remove_node): Do not check if dumps
8502 * cgraphunit.c (cgraph_optimize): Likewise.
8504 2006-07-24 Jan Hubicka <jh@suse.cz>
8506 PR rtl-optimization/28071
8507 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
8508 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
8509 splitting before first stmt.
8511 2006-07-24 Jan Hubicka <jh@suse.cz>
8513 PR rtl-optimization/28071
8514 * ipa-inline.c (update_caller_keys): Remove edges that
8515 are no longer inline candidates.
8517 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
8520 * dbxout.c (output_used_types_helper, output_used_types): New.
8521 (dbxout_symbol): Call output_used_types.
8523 2006-07-23 Jan Hubicka <jh@suse.cz>
8527 * cgraph.c (cgraph_varpool_nodes): Export.
8528 (decide_is_variable_needed): Ignored "used" attribute in
8529 unit-at-a-time mode.
8530 * cgraph.h (cgraph_varpool_nodes): Declare.
8531 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
8532 unit-at-a-time mode.
8534 2006-07-23 Roger Sayle <roger@eyesopen.com>
8537 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
8538 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
8539 the __gthrw form of thr_keycreate.
8540 (__gthread_key_delete): Silence the unused argument warning.
8542 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
8545 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
8546 Cache the last found '\0' marker to avoid quadratic behavior.
8548 2006-07-23 Jan Hubicka <jh@suse.cz>
8550 * i386.md (subsi_3_zext): Fix output template.
8552 2006-07-21 Mike Stump <mrs@apple.com>
8554 * doc/invoke.texi (C++ Dialect Options): Note that
8555 -fvisibility-inlines-hidden doesn't affect explicitly
8556 instantiationed inline methods.
8558 2006-07-20 Roger Sayle <roger@eyesopen.com>
8560 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
8561 if the target assembler is GNU binutils' gas.
8562 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
8563 whether to pass GNU gas or native as command line options.
8565 2006-07-20 Jason Merrill <jason@redhat.com>
8567 * tree.c (remove_attribute): New fn.
8568 * tree.h: Declare it.
8570 2006-07-20 Paul Brook <paul@codesourcery.com>
8573 * cse.c (cse_insn): Add destination addresses to hash table. Check if
8574 they are invalidated by this instruction.
8576 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
8579 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
8581 2006-07-20 Eric Christopher <echristo@apple.com>
8584 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
8586 2006-07-19 Eric Christopher <echristo@apple.com>
8588 * config/t-slibgcc-darwin (stmp-lipo): Remove.
8589 Rewrite dependencies for libgcc_s.1.dylib.
8591 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8593 * except.c (duplicate_eh_regions_1): Clear next_peer.
8595 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
8597 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
8598 -mlongcall does not guarantee all calls will be long.
8599 * doc/extend.texi (long_call/short_call): Document that longcall
8600 does not guarantee a long call will be used.
8601 (longcall/shortcall): Likewise.
8603 2006-07-18 Roger Sayle <roger@eyesopen.com>
8606 * expmed.c (expand_shift): Additionally check that the shift_cost
8607 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8608 before implementing a LSHIFT_EXPR as a sequence of additions.
8609 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8610 middle-end that DImode shifts need to be synthesized by expand.
8612 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8615 * tree-ssa-operands.c (access_can_touch_variable): Update
8617 Return true if ALIAS is .GLOBAL_VAR.
8619 2006-07-18 David Daney <ddaney@avtrex.com>
8621 * gcc.c (display_help): Fix typo in help text.
8623 2006-07-18 Olivier Hainque <hainque@adacore.com>
8625 * tree.h (categorize_ctor_elements): Adjust prototype and add
8626 descriptive comment, both in accordance with the interface change
8628 * varasm.c (constructor_static_from_elts_p): New function.
8629 Whether a constructor node is a valid static constant initializer
8630 if all its elements are.
8631 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8632 * output.h: Declare it.
8633 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8634 is a valid constant initializer instead of computing the number of
8635 non-constant elements. Use constructor_static_from_elts_p for this
8636 purpose. Replace the head comment with an indication that this is a
8637 helper for categorize_ctor_elements.
8638 (categorize_ctor_elements): Same interface change as for the _1
8639 helper. Former head comment from this helper moved here, adjusted to
8640 account for the interface changes.
8641 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8642 (all_zeros_p): Likewise.
8643 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8644 static versions of the constructor from the categorize_ctor_elements
8645 return value instead of the formerly computed number of non-constant
8648 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8650 * configure: Regenerate.
8651 * Makefile.in (build_libsubdir): New configure substitution
8652 (build_libobjdir): New variable.
8653 (BUILD_LIBIBERTY): Use it.
8655 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8658 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8660 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8663 * c-common.c (handle_weakref_attribute): Ignore attribute in
8664 the same conditions the alias attribute is ignored.
8666 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8668 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8669 (dbxout_begin_prologue): Increment scope_labelno.
8671 2006-07-17 Richard Henderson <rth@redhat.com>
8674 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8677 2006-07-17 Roger Sayle <roger@eyesopen.com>
8678 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8680 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8681 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8682 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8683 functions such as sbrk, write, etc.. Add function prototypes.
8684 Convert function declarations from K&R to ISO C. Cast pointers
8685 to "long" and "unsigned long" instead of "int" and "unsigned int".
8686 Convert tokens following #endif into comments.
8688 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8690 * invoke.texi: Remove mention of f77; Reformat table for
8691 inline parameter options correctly; mention that -malign-double
8692 is default on x86-64 targets.
8694 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8696 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8697 (convert_affine_scev, chrec_convert_aggressive): Use
8698 avoid_arithmetics_in_type_p. Do not check for the subtypes
8701 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8704 * optabs.c (expand_doubleword_shift): Wrap the call to
8705 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8707 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8710 * optabs.c (expand_binop): Pass next_methods rather than methods
8711 to expand_doubleword_shift.
8713 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8716 * tree.h (dump_addr): Declare.
8717 * print-tree.c (dump_addr): New function.
8718 (print_node_brief, print_node): Use it.
8719 * print-rtl.c (print_rtx): Likewise.
8720 * common.opt (-fdump-noaddr): New option.
8721 * doc/invoke.texi (-fdump-noaddr): Document.
8722 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8723 (ve_info_hash): Likewise.
8725 2006-07-13 Andrew Haley <aph@redhat.com>
8727 PR tree-optimization/19505
8728 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8729 edge leaving this block, make sure that the destination of this
8730 block has only one predecessor.
8732 2006-07-17 Richard Guenther <rguenther@suse.de>
8734 PR tree-optimization/28238
8735 * tree-inline.c (copy_bb): Check if we produced valid
8736 gimple copying and substituting a stmt. If not, gimplify
8739 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8741 * optabs.c (maybe_encapsulate_block): New function extracted from...
8742 (emit_libcall_block): ...here. Invoke it on the block of insns to
8743 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8744 (emit_no_conflict_block): Likewise.
8746 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8748 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8750 2006-07-15 Roger Sayle <roger@eyesopen.com>
8752 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8753 a new NOP_EXPR case of the switch statement.
8755 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8758 * stor-layout.c (place_field): Take the bit field with
8759 an excessive size into account in the ms-bitfiled case.
8762 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8763 the previous bit field.
8765 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8768 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8770 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8772 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8773 signal frames correctly even when the signal was installed with
8776 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8778 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8779 (dbxout_function_end): Use local label LFBB. Remove hook
8781 (dbxout_source_line): Use local label LFBB.
8782 (dbxout_block): Likewise.
8783 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8784 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8785 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8786 and DBX_OUTPUT_NFUN.
8788 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8790 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8792 2006-07-13 Jan Hubicka <jh@suse.cz>
8794 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8796 * output.h (align_variable): Declare.
8797 * varasm.c (align_variable): Export.
8798 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8799 when basic block changed.
8801 2006-07-13 Nick Clifton <nickc@redhat.com>
8803 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8804 walking the LOG_LINKS chain.
8806 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8808 * doc/invoke.texi (C++ Dialect Options): Explain difference
8809 between -fvisibility-inlines-hidden and setting hidden
8810 visibility explicitly.
8812 2006-07-12 Eric Christopher <echristo@apple.com>
8814 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
8815 (stmp-lipo): Depend on libgcc.a.
8817 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
8819 * tree.c: Fix a comment typo.
8821 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
8823 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
8825 (umulhisi3_r): Likewise.
8827 2006-07-12 Paolo Carlini <pcarlini@suse.de>
8830 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
8831 x < 19, vs wchar_t support.
8833 2006-07-12 Nick Clifton <nickc@redhat.com>
8835 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
8836 instead of -isa=sh4.
8838 2006-07-12 Mike Stump <mrs@apple.com>
8840 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
8842 2006-07-10 Eric Christopher <echristo@apple.com>
8844 * config/t-slibgcc-darwin: Rewrite.
8846 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
8849 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
8852 2006-07-08 Matthias Klose <doko@debian.org>
8854 * doc/sourcebuild.texi: Fix typo.
8856 2006-07-07 Mike Stump <mrs@apple.com>
8858 * toplev.c (process_options): Don't give -ffunction-sections may
8859 affect debugging warning for Mach-O.
8861 2006-07-07 James E Wilson <wilson@specifix.com>
8863 * config/mips/mips.md (cpu): Add sb1a.
8864 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
8865 addition to sb1. Adjust comments to clarify SB-1A differences from
8867 (ir_sb1a_load): New. Modify bypasses to use it.
8868 (ir_sb1a_simple_alu): Likewise.
8869 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
8870 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
8871 (mips_issue_rate): Add PROCESSOR_SB1A.
8872 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
8873 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
8874 (TARGET_SB1): Add PROCESSOR_SB1A check.
8875 (TUNE_SB1): Likewise.
8877 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
8878 * config/mips/mips.c (mips_store_data_bypass_p): New.
8879 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
8880 store_data_bypass_p.
8882 2006-07-08 Paul Brook <paul@codesourcery.com>
8885 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
8887 2006-07-07 Richard Guenther <rguenther@suse.de>
8890 * tree.h (build_one_cst): Declare.
8891 * tree.c (build_one_cst): New function.
8892 * tree-ssa-math-opts.c (get_constant_one): Remove.
8893 (insert_reciprocals): Use build_one_cst.
8894 * fold-const.c (fold_plusminus_mult): Likewise.
8896 2006-07-07 Roger Sayle <roger@eyesopen.com>
8898 * pointer-set.c (pointer_set_destroy): Correct whitespace.
8899 * cfgloopanal.c (dump_graph): Likewise.
8900 * dojump.c (discard_pending_stack_adjust): Likewise.
8901 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
8903 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
8904 * function.c (finalize_block_changes): Likewise.
8905 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
8906 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
8907 * rtl.c (dump_rtx_statistics): Likewise.
8908 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
8910 * varray.c (dump_varray_statistics): Likewise.
8911 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
8912 decode_decimal64, encode_decimal128, decode_decimal128,
8913 decimal_real_to_decimal): Likewise.
8915 2006-07-07 Richard Guenther <rguenther@suse.de>
8917 PR tree-optimization/28187
8918 * tree-vrp.c (vrp_operand_equal_p): New function.
8919 (vrp_bitmap_equal_p): Likewise.
8920 (update_value_range): Use them to compare old and new
8923 2006-07-06 Roger Sayle <roger@eyesopen.com>
8925 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
8926 a default case to switch statement to silence compiler warnings.
8928 2006-07-06 Roger Sayle <roger@eyesopen.com>
8931 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
8932 the configured assembler supports the x87's ffreep mnemonic.
8933 * configure: Regenerate.
8934 * config.in: Regenerate.
8936 * config/i386/i386.c (output_387_ffreep): New function.
8937 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
8938 (output_387_reg_move): Likewise.
8940 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
8942 Port to hosts whose 'sort' and 'tail' implementations
8943 treat operands with leading '+' as file names, as POSIX
8944 has required since 2001. However, make sure the code still
8945 works on pre-POSIX hosts.
8946 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
8947 which says you should use "tail -c +N" rather than "tail +Nc".
8948 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
8950 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8952 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
8955 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8958 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
8959 PRE_{INC,DEC} of TFmode.
8961 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8962 Alan Modra <amodra@bigpond.net.au>
8965 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
8968 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8971 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
8972 Remove duplicate gtu.
8974 2006-07-05 Jason Merrill <jason@redhat.com>
8978 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
8979 * c-common.c (handle_packed_attribute): So don't copy it here.
8980 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
8982 2006-07-05 Mike Stump <mrs@apple.com>
8984 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
8986 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
8989 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
8991 2006-07-05 Richard Guenther <rguenther@suse.de>
8994 * config/i386/i386.md (*negdf2_1): Restrict pattern to
8995 TARGET_SSE2 targets if using SSE math.
8996 (*absdf2_1): Likewise.
8998 2006-07-05 Richard Guenther <rguenther@suse.de>
9000 PR tree-optimization/28162
9001 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
9002 make sure to convert the operands to the correct type.
9004 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
9006 PR tree-optimization/28218
9008 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
9009 to calculate and free the dominator information.
9011 2006-07-04 Peter O'Gorman <peter@pogma.com>
9013 * mklibgcc.in: chmod 644 before ranlib during install.
9015 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
9016 J"orn Rennecke <joern.rennecke@st.com>
9018 * configure.ac (.eh_frame data check): Use diff -b.
9020 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
9023 * Makefile.in (BUILD_RTL): Add build/vec.o.
9024 (build/gencondmd.o): Filter out -fkeep-inline-functions.
9025 (build/genextract): Delete.
9026 (build/genautomata): Likewise.
9028 2006-07-04 Alan Modra <amodra@bigpond.net.au>
9031 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
9032 128-bit IBM long doubles for ABI_V4.
9034 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
9036 * tree.c (range_in_array_bounds_p): New predicate.
9037 * tree.h (range_in_array_bounds_p): Declare it.
9038 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
9039 return a less conservative answer.
9040 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
9041 and flag 'is_group'.
9042 (IS_ELEMENT_FOR_GROUP): New macro.
9043 (FOR_EACH_ACTUAL_CHILD): Likewise.
9044 (next_child_for_group): New helper function.
9045 (can_completely_scalarize_p): Take into account groups.
9046 (sra_hash_tree): Handle RANGE_EXPR.
9047 (sra_elt_eq): Likewise.
9048 (lookup_element): Be prepared for handling groups.
9049 (is_valid_const_index): Delete.
9050 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
9051 instead of is_valid_const_index.
9052 <ARRAY_RANGE_REF>: New case.
9053 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
9054 is_valid_const_index.
9055 <ARRAY_RANGE_REF>: Do not unconditionally punt.
9056 (scan_dump): Dump info for groups too.
9057 (decide_instantiation_1): Likewise.
9058 (decide_block_copy): Assert that the element is not a group.
9059 Propagate decision to groups.
9060 (generate_one_element_ref): Handle RANGE_EXPR.
9061 (mark_no_warning): Iterate over actual childs.
9062 (generate_copy_inout): Likewise.
9063 (generate_element_copy): Likewise.
9064 (generate_element_zero): Likewise.
9065 (generate_element_init_1): Likewise.
9066 (dump_sra_elt_name): Handle RANGE_EXPR.
9068 2006-07-03 Roger Sayle <roger@eyesopen.com>
9070 PR tree-optimization/26251
9071 * tree-ssa-threadupdate.c (redirection_block_p): New function.
9072 (thread_block): When optimizing for size refuse to thread jumps
9073 that would require duplication of blocks other than redirection
9076 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9078 * configure.ac: Fix thinko in previous check-in.
9079 * configure: Regenerate.
9081 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9084 * configure.ac (for lang...): Simplify nesting of conditionals.
9085 Test subdir_requires for non-enabled languages. Move processing
9086 of lang_opt_files and lang_tree_fiels below that test.
9087 * configure: Regenerate.
9088 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
9090 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
9092 * doc/gcov.texi (Invoking Gcov): Add a missing word.
9094 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
9096 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
9099 2006-06-29 Jason Merrill <jason@redhat.com>
9106 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
9107 * c-common.c (c_determine_visibility): Handle it here.
9108 * c-decl.c (finish_decl): Call c_determine_visibility for
9110 * flags.h (enum symbol_visibility): Sort from most to least visibility.
9112 * varasm.c (default_assemble_visibility): Likewise.
9113 * c-common.c (handle_visibility_attribute): Complain about trying
9114 to give visibility to an already defined class, or trying to change
9115 declared visibility. Always attach the attribute.
9120 * attribs.c (decl_attributes): Ignore type-in-place attributes
9121 once the type has been defined.
9123 2006-06-29 Roger Sayle <roger@eyesopen.com>
9126 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
9127 to indicate the cpplib has issued an error message for us.
9129 2006-06-29 Asher Langton <langton2@llnl.gov>
9132 * config/i386/i386.c (ix86_output_function_epilogue): Don't
9133 insert a label at the end of an function under Mach-O.
9135 2006-06-29 Eric Christopher <echristo@apple.com>
9136 Evan Cheng <evan.cheng@apple.com>
9138 * predicates.md (vector_all_ones_operand): New.
9139 (nonimmediate_or_sse_const_operand): Ditto.
9140 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
9141 * config/i386/i386.c (standard_sse_constant_opcode): Define.
9142 (standard_sse_mode_p): Ditto.
9143 (standard_sse_constant_p): Add case for -1 vector.
9144 (ix86_expand_vector_move): Try to use.
9145 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
9146 Call standard_sse_constant_opcode.
9147 (*movv4sf_internal): Ditto.
9148 (*movv2df_internal): Ditto.
9150 2006-06-29 Roger Sayle <roger@eyesopen.com>
9152 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
9153 of XEXP to extract the operands of a MATCH_CODE rtx.
9155 2006-06-28 Andrew Pinski <pinskia@gmail.com>
9157 * tree.c (tree_size): Do not waste tail padding in
9158 struct tree_string and make the size be the same as
9159 build_string will generate.
9161 2006-06-28 Jason Merrill <jason@redhat.com>
9164 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
9165 may_aliases already in the tag's annotations to the bitmap.
9167 2006-06-28 Roger Sayle <roger@eyesopen.com>
9169 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
9171 2006-06-28 Roger Sayle <roger@eyesopen.com>
9173 * genpreds.c (generate_switch_p): New function.
9174 (add_mode_tests): Push the new mode test down inside an AND expr
9175 if this allows the switch-suitable MATCH_CODE to be near the root.
9176 (write_match_code_switch): New function to write a MATCH_CODE as
9178 (write_predicate_stmts): New function to write a predicate RTX
9179 expression as a sequence of statements.
9180 (write_one_predicate_function): Use write_predicate_stmts.
9181 (write_tm_constrs_h): Likewise.
9183 2006-06-26 Fred Fish <fnf@specifix.com>
9185 * config/mips/t-sb1: New file.
9186 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
9189 2006-06-26 DJ Delorie <dj@redhat.com>
9191 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
9193 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
9194 Jayant Sonar <jayants@kpitcummins.com>
9195 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
9197 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
9198 (subsi3, subsi3_1, subsi3_2): New.
9199 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
9200 * config/m32c/mov.md (SI mov peephole): New.
9201 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
9202 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
9204 2006-06-26 Olivier Hainque <hainque@adacore.com>
9206 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
9207 a CALL_EXPR target function declaration.
9209 2006-06-26 Richard Guenther <rguenther@suse.de>
9211 * tree.c (build_string): Do not waste tail padding in
9214 2006-06-26 Richard Guenther <rguenther@suse.de>
9216 * ggc-page.c (init_ggc): Add missing element to size_lookup
9220 2006-06-23 Richard Guenther <rguenther@suse.de>
9222 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9223 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9224 alignment requests instead. Add verification code.
9225 Add struct tree_function_decl and struct tree_binfo size to
9226 extra_order_size_table. Add missing element to size_lookup
9229 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
9232 * fold-const.c (const_binop): Be prepared for self returning zero.
9233 Simplify code handling complex values.
9235 2006-06-24 Olivier Hainque <hainque@adacore.com>
9237 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
9238 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
9241 2006-06-24 Olivier Hainque <hainque@adacore.com>
9243 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
9244 ARRAY_REF, so have the callback called for the low bound expression.
9246 2006-06-23 Janis Johnson <janis187@us.ibm.com>
9248 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
9249 * c-typeck.c (c_common_type): Disallow operations on decimal float
9250 types and other float types.
9251 * convert.c (convert_to_real): Don't ignore conversions involving
9252 decimal float types.
9254 2006-06-23 Olivier Hainque <hainque@adacore.com>
9256 * tree.c (max_int_size_in_bytes): New function, inspired from
9257 code in function.c:assign_temp.
9258 * tree.h (max_int_size_in_bytes): Declare.
9259 * function.c (assign_temp): Use it.
9260 * gimplify.c (create_tmp_var): Relax the assertions on the type
9261 properties, not mandating constant size any more.
9262 (force_constant_size): New static function.
9263 (gimple_add_tmp_var): Use it, forcing variable size to a
9264 constant upper bound if it is not constant on entry.
9266 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
9269 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
9270 for initialization and setting of one_only flag to ...
9271 (i386_pe_encode_section_info): ...here.
9272 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
9273 Recheck that the symbol has not been defined.
9275 2006-06-23 Richard Guenther <rguenther@suse.de>
9277 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9278 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9279 alignment requests instead. Add verification code.
9280 Add struct tree_function_decl and struct tree_binfo size to
9281 extra_order_size_table. Add missing element to size_lookup
9284 2006-06-22 Roger Sayle <roger@eyesopen.com>
9285 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9288 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
9289 call to lang_hooks.types.type_for_mode returned NULL_TREE.
9291 2006-06-23 Ben Elliston <bje@au.ibm.com>
9293 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
9294 negate dn -- manipulate it directly.
9296 2006-06-22 Roger Sayle <roger@eyesopen.com>
9297 Steven Bosscher <stevenb.gcc@gmail.com>
9300 * reload1.c (gen_reload): Call mark_jump_label on the new insns
9301 generated by gen_move_insn to add REG_LABEL notes if necessary.
9303 2006-06-22 Bob Wilson <bob.wilson@acm.org>
9305 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
9306 (leaf_entry): Remove use of MIN_ESA.
9308 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
9310 PR rtl-optimization/28121
9311 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
9314 2006-06-21 DJ Delorie <dj@redhat.com>
9316 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
9318 (mulhisi3_r): Likewise.
9320 2006-06-21 Richard Sandiford <richard@codesourcery.com>
9323 * coverage.c (coverage_counter_alloc): Leave the index type
9325 (coverage_counter_alloc): Use null arguments for operands 2 and 3
9328 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
9330 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
9331 section from the "Options for Code Generation Conventions".
9333 2006-06-21 Richard Henderson <rth@redhat.com>
9337 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
9339 (global_symbolic_operand): Allow weak symbols, even if local_p.
9341 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
9343 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
9344 (find_interesting_uses_address): Punt if above function returns true.
9346 2006-06-21 Richard Guenther <rguenther@suse.de>
9348 * configure: Regenerated.
9350 2006-06-21 Joseph Myers <joseph@codesourcery.com>
9352 * config/mips/mips.c (function_arg): Where one part of a
9353 complex argument is in registers and the other part in the stack,
9354 return a REG not a PARALLEL.
9356 2006-06-21 Mark Mitchell <mark@codesourcery.com>
9358 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
9359 when cross-compiling. Do not substitute libstdcxx_incdir.
9360 * configure: Regenerated.
9362 2006-06-21 Jakub Jelinek <jakub@redhat.com>
9364 * varasm.c (mergeable_string_section): Check for embedded NULs and
9365 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
9366 rather than TREE_STRING_LENGTH bytes.
9368 2006-06-21 Richard Guenther <rguenther@suse.de>
9370 * ggc-page.c (extra_order_size_table): Add var_ann_d,
9371 tree_ssa_name, bitmap_element and phi_node with 4 arguments
9374 2006-06-21 Richrad Guenther <rguenther@suse.de>
9376 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
9377 Limit iteration over the dominators.
9379 2006-06-20 Roger Sayle <roger@eyesopen.com>
9381 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
9382 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
9384 2006-06-20 Richard Guenther <rguenther@suse.de>
9385 Michael Matz <matz@suse.de>
9387 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
9389 * alloc-pool.c (free_alloc_pool_if_empty): New function.
9390 * et-forest.h (et_free_pools): Prototype new function.
9391 * et-forest.c (et_free_tree_force): Free parent occurrence.
9392 (et_free_pools): New function.
9393 * dominance.c (free_dominance_info): Free et-forest alloc
9396 2006-06-20 Roger Sayle <roger@eyesopen.com>
9398 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
9399 integer modes, attempt to directly construct an integer constant.
9401 * fold-const.c (native_encode_vector): Determine the size of each
9402 element from the vector type instead of the first vector element.
9404 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
9405 if all of its elements/components are constant.
9406 (build_constructor_from_list): Likewise.
9408 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
9410 PR tree-optimization/27331
9411 * tree-data-ref.c (free_data_ref): New function.
9412 (create_data_ref): Fail if the data reference has unknown access
9414 (free_data_refs): Use free_data_ref.
9416 2006-06-19 Andrew Pinski <pinskia@gmail.com>
9419 * tree-inline.c (setup_one_parameter): Strip useless
9420 type conversion before adding it to the IR.
9421 (declare_return_variable): Likewise.
9423 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
9426 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
9428 2006-06-19 Mike Stump <mrs@apple.com>
9430 * tree.c (variably_modified_type_p): VM arguments don't make the
9433 2006-06-19 Richard Guenther <rguenther@suse.de>
9435 * tree-ssa-pre.c (try_combine_conversion): Strip useless
9436 type conversions after folding.
9438 2006-06-19 Richard Guenther <rguenther@suse.de>
9440 * ggc-page.c (extra_order_size_tab): Add entries with
9441 size of struct function and basic_block.
9442 (size_lookup): Extend to cover sizes up to 511.
9443 (ggc_alloc_stat): Adjust user.
9444 (ggc_pch_count_object): Likewise.
9445 (ggc_pch_alloc_object): Likewise.
9446 (ggc_pch_write_object): Likewise.
9448 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
9450 * tree-ssa-loop-niter.c (implies_ge_p): New function.
9451 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
9454 2006-06-19 Denis Chertykov <denisc@overta.ru>
9456 * config/avr/libgcc.S : Correct my wrong previous commit.
9458 2006-06-19 Roger Sayle <roger@eyesopen.com>
9461 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
9462 have stripped a SUBREG from the shift count, so we may need to
9463 convert_to_mode back to the type's mode before calling make_tree.
9464 Use new_amount instead of amount to avoid expanding a tree twice.
9466 2006-06-19 Richard Guenther <rguenther@suse.de>
9469 * fold-const.c (operand_equal_p): Check if the argument types
9470 have the same precision before stripping NOPs.
9472 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
9474 Fix PR tree-optimization/27341
9475 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
9477 * tree-complex.c (pass_lower_complex): Update SMT usage.
9479 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
9481 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
9482 Add a new alternative to the constraint strings. Add move of
9483 operand 1 to 3 to the splitter definition.
9484 ("doloop_si_long"): Second contraint alternative removed.
9486 2006-06-08 Anatoly Sokolov <aesok@post.ru>
9488 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
9489 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
9491 (AVR_HAVE_MOVW) Define.
9492 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
9493 (ASM_SPEC): Add avr25.
9494 (LINK_SPEC): Add avr25.
9495 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
9496 (base_arch_s): Add new member 'have_movw_lpmx'.
9497 (avr_arch_types): Init 'have_movw_lpmx'.
9498 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
9499 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
9500 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
9501 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
9502 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
9504 (avr_file_start): Do not output '.arh' derective.
9505 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
9506 (__do_copy_data): Use __AVR_HAVE_LPMX__.
9507 * config/avr/avr.md (mcu_enhanced): Delete.
9508 (mcu_have_movw): Define.
9509 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
9510 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
9511 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
9512 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
9513 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
9514 attiny861 and at86rf401 devices.
9516 2006-06-18 Jie Zhang <jie.zhang@analog.com>
9518 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
9521 2006-06-17 Karl Berry <karl@gnu.org>
9523 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
9524 doc/gccint.texi, doc/install.texi (@dircategory): Use
9525 "Software development" instead of "Programming", following
9526 the Free Software Directory.
9528 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
9530 * config/i386/i386.c (legitimate_tls_address)
9531 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
9532 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
9533 (*tls_dynamic_gnu2_combine_64): Likewise.
9535 2006-06-16 Richard Guenther <rguenther@suse.de>
9538 * fold-const.c (negate_expr_p): Do not introduce undefined
9539 overflow in negating INTEGER_CSTs.
9540 (fold_negate_expr): Rename from negate_expr. Revert last
9541 change for folding BIT_NOT_EXPR. Change semantics to
9542 return NULL_TREE for non-simplified negations. Do not
9543 strip type conversions and unify type handling.
9544 (negate_expr): New function, wrap around fold_negate_expr
9545 but ensure building a tree always. Strip type conversions
9546 here, fold to result type.
9547 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
9549 2006-06-16 Roger Sayle <roger@eyesopen.com>
9552 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
9553 that (would) return their results in stack registers.
9555 2006-06-16 Michael Matz <matz@suse.de>
9556 Richard Guenther <rguenther@suse.de>
9558 * fold-const.c (fold_truthop): Only return new tree node if
9559 we canonicalized something.
9561 2006-06-16 Richard Guenther <rguenther@suse.de>
9563 * function.h (enum function_frequency): Move declaration
9564 out of struct function.
9565 (struct function): Move bool fields and the enum to the bitfield
9566 section. Reorder elements to avoid padding. Remove unused
9567 fields left over from the RTL inliner removal.
9568 * function.c (free_after_compilation): Do not zero removed fields.
9569 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
9570 (ipa-type-escape.o): Likewise.
9572 2006-06-16 Richard Guenther <rguenther@suse.de>
9574 * cgraph.h (struct cgraph_local_info): Turn bool elements
9576 (struct cgraph_node): Likewise.
9577 (struct cgraph_varpool_node): Likewise.
9579 2006-06-15 Richard Guenther <rguenther@suse.de>
9581 * fold-const.c (fold_truth_not_expr): Rename from
9582 invert_truthvalue. Give it fold_* semantics to avoid
9584 (invert_truthvalue): New function. Wrapper around
9585 fold_truth_not_expr.
9586 (optimize_minmax_comparison): Avoid creating garbage.
9587 (fold_unary): Use fold_truth_not_expr for folding
9589 (fold_ternary): Replace uses of invert_truthvalue with
9590 fold_truth_not_expr where applicable.
9591 * tree.h (fold_truth_not_expr): Prototype.
9593 2006-06-16 Richard Guenther <rguenther@suse.de>
9595 PR tree-optimization/27781
9596 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
9597 * ipa-pure-const.c (target.h): Include.
9598 (analyze_function): Do not analyze functions that do not
9601 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9604 * tree-dfa.c (referenced_vars_dup_list): Remove.
9605 (find_referenced_vars): Remove assert.
9606 (referenced_var_check_and_insert): Replace dup list with assert.
9607 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9608 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9610 2006-06-15 Richard Guenther <rguenther@suse.de>
9612 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9613 extra unused identifiers if not dumping.
9614 (create_variable_info_for): Likewise.
9616 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9618 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9619 (derive_constant_upper_bound): Derive more precise upper bound in
9620 common cases. Return type changed to double_int.
9621 (record_estimate): Reflect the changed return type of
9622 derive_constant_upper_bound.
9623 * double-int.c (double_int_zext, double_int_sext): Fix.
9625 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9627 * configure.ac (CFLAGS): Get them from the toplevel or from the
9628 configure invocation.
9629 * configure: Regenerate.
9630 * Makefile.in (CFLAGS): Substitute value provided by configure.
9632 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9635 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9636 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9637 rather than calling add_stmt on it.
9638 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9640 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9643 * reload1.c (reload): Remove registers returned by update_eliminables
9644 from used_spill_regs.
9646 2006-06-13 DJ Delorie <dj@redhat.com>
9648 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9650 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9652 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9653 html__strip_dir, html__mkdir_p. Enhance install-html target.
9654 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9655 * configure: Regenerate.
9657 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9659 * fold-const.c (fold_cond_expr_with_comparison): Check for
9660 Objective-C++ as language in deciding COND_EXPR transformation.
9662 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9665 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9666 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9667 * config/sh/lib1funcs.h (SL, SL1): Define.
9668 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9669 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9670 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9671 (OBJS_Os_4_200): New variable.
9672 ($(T)libgcc-Os-4-200.a): Use it.
9673 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9674 when dividing 1 and/or by 0.
9676 2006-06-13 Roger Sayle <roger@eyesopen.com>
9678 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9679 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9680 * configure: Regenerate.
9682 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9684 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9685 for real instruction.
9687 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9690 * haifa-sched.c (check_cfg): Handle special case.
9692 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9695 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9696 Add debug_info parameter. Chain the vars to the BLOCK instead
9697 of the BIND_EXPR if debug info are requested for them.
9698 (pop_gimplify_context): Adjust for above change.
9699 (gimple_add_tmp_var): Likewise.
9700 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9702 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9703 (convert_local_reference): Likewise.
9704 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9705 (finalize_nesting_tree_1): Request that debug info be emitted
9706 for debug_var_chain.
9708 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9710 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9711 for PR target/27863.
9713 2006-06-13 Richard Guenther <rguenther@suse.de>
9716 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9718 2006-06-13 Richard Guenther <rguenther@suse.de>
9720 PR tree-optimization/27830
9721 * tree-inline.c (copy_body_r): For copying the operand
9722 of an ADDR_EXPR make sure to fold &* afterwards.
9724 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9726 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9727 lvalues in the fb_none case with side-effects.
9729 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9731 * tree-flow.h: Remove the prototype for
9732 compute_phi_arg_on_exit.
9733 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9734 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9737 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9739 * builtins.c (expand_builtin_return_addr): Only use
9740 frame_pointer_rtx when count == 0 and we are expanding
9741 __builtin_return_address.
9743 2006-06-12 Fred Fish <fnf@specifix.com>
9745 * config/mips/mips.c (mips_file_start): Create special section
9746 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9748 2006-06-11 Eric Christopher <echristo@apple.com>
9751 * stor-layout.c (place_field): Remove check for
9752 remaining_in_alignment when aligning at the end of a run.
9754 2006-06-11 Eric Christopher <echristo@apple.com>
9757 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9760 2006-06-11 Roger Sayle <roger@eyesopen.com>
9763 Revert incorrect fix for PR target/27158
9764 2006-05-08 Roger Sayle <roger@eyesopen.com>
9765 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9766 of a reg_equiv_constant if the result is a legitimate constant.
9768 2006-06-11 Roger Sayle <roger@eyesopen.com>
9771 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9772 extract a CONST_VECTOR element and interpret it as an integer.
9773 (vspltis_constant): Use const_vector_elt_as_int instead of the
9774 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9775 * config/rs6000/predicates.md (easy_vector_const): Consider
9776 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9778 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9781 * stor-layout.c (update_alignment_for_field): Don't add extra
9782 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9785 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9787 * config/mips/t-rtems: Add EL/EB multilib variants.
9789 2006-06-09 Mike Stump <mrs@apple.com>
9791 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9793 2006-06-09 David Daney <ddaney@avtrex.com>
9795 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9797 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9799 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9801 2006-06-09 Richard Guenther <rguenther@suse.de>
9803 PR tree-optimization/26998
9804 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9805 of signed types, only TYPE_MIN_VALUE is special, but for both,
9806 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9807 in this case, as is -fwrapv.
9809 2006-06-08 Mike Stump <mrs@apple.com>
9812 * config/darwin.c (darwin_asm_output_anchor): Disable
9813 -fsection-anchors on darwin for now.
9814 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
9815 * rs6000/rs6000.c (optimization_options): Likewise.
9817 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9820 * config/i386/i386.c (classify_argument): Skip fields with invalid
9823 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
9825 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
9826 (cse_insn): Likewise for the stack_pointer_rtx.
9828 2006-06-08 Roger Sayle <roger@eyesopen.com>
9830 * tree-ssa-dom.c (record_conditions): Only record "unordered"
9831 conditions from floating point comparisons.
9833 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
9836 * expmed.c (struct alg_hash_entry): Fix type of field T
9837 to match synth_mult argument.
9838 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
9840 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9843 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
9846 2006-06-08 Richard Guenther <rguenther@suse.de>
9849 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
9850 only, if overflow is defined and not trapping.
9851 (negate_expr): Likewise.
9853 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9855 PR tree-optimization/27872
9856 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
9857 flag on the new exit edge of the unrolled loop.
9859 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9861 PR rtl-optimization/26449
9862 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
9864 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
9867 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
9868 referenced_variables with matching DECL_UID's.
9869 (find_referenced_vars): Make sure duplicate list is empty to start.
9870 (referenced_var_p): Remove.
9871 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
9872 Check if var is in the list, and add if needed. Update the duplicate
9873 list if a different var is in the list with the same DECL_UID.
9874 (add_referenced_var): Call routine to check and insert.
9875 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
9876 * tree-flow.h (referenced_vars_dup_list): External declaration.
9878 2006-06-07 Fred Fish <fnf@specifix.com>
9880 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
9883 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
9886 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
9887 the imaginary and real parts of a clobbered register.
9888 Emit insn to set the imaginary part.
9890 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
9892 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
9893 in lieu of unwind-dw2-fde.c.
9895 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9897 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
9899 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
9902 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
9903 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
9904 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
9905 V4SImode temporaries and operations instead.
9907 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
9909 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
9912 2006-06-06 Mike Stump <mrs@apple.com>
9914 * Makefile.in: Rename to htmldir to build_htmldir to avoid
9915 installing during build.
9917 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9919 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
9921 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9922 * config/ia64/ia64.c (params.h): New header.
9923 (ia64_optimization_options): New function to adjust parameters.
9924 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
9925 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
9926 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
9928 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
9930 * stor-layout.c (debug_rli): Fix a typo in a debug message.
9932 2006-06-05 Steve Ellcey <sje@cup.hp.com>
9935 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
9937 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
9938 Victor Kaplansky <victork@il.ibm.com>
9940 PR tree-optimization/26360
9941 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
9944 2006-06-04 Roger Sayle <roger@eyesopen.com>
9945 Andrew Pinski <pinskia@physics.uc.edu>
9948 * c-common.c (c_common_truthvalue_conversion): Explicitly check
9949 for LABEL_DECL before calling DECL_WEAK.
9952 * c-typeck.c (build_binary_op): Likewise, explicitly check for
9953 LABEL_DECL and PARM_DECL.
9955 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
9959 * c-decl.c (grokdeclarator): Disallow variably modified types at
9960 file scope. Avoid marking shared array type of constant size as
9963 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9966 * c-common.c (fold_offsetof_1): Handle static members.
9968 2006-06-04 Eric Christopher <echristo@apple.com>
9970 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
9971 (debug_rli): Output value for remaining_in_alignment.
9972 (update_alignment_for_field): Unconditionalize
9973 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
9974 extra alignment code.
9975 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
9976 ms_bitfield_layout_p code. Rewrite handling of structure fields.
9977 * tree.h (record_layout_info_s): Remove prev_packed.
9978 * doc/extend.texi (ms_struct): Add documentation of format.
9980 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
9982 * tree.h: Declare folding_initializer.
9983 * builtins.c (fold_builtin_constant_p): Give definite answer
9984 if folding inside an initializer.
9985 * fold-const.c: Define folding_initializer.
9986 (START_FOLD_INIT): Save and then set folding_initializer.
9987 (END_FOLD_INIT): Restore folding_initializer.
9989 2006-06-04 Richard Guenther <rguenther@suse.de>
9991 PR tree-optimization/27039
9992 * fold-const.c (fold_comparison): Handle pointer comparison
9993 again for all comparison codes. Compare offsets in signed
9995 (fold_binary): Move code from here.
9997 2006-06-03 Roger Sayle <roger@eyesopen.com>
10000 * config/i386/i386.c (construct_container): Split static issued_error
10001 flag into issued_sse_arg_error, issued_sse_ret_error and
10002 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
10003 requires the use of x87 registers and the user explicitly
10004 specified the -mno-80387 command line option.
10006 2006-06-02 Geoffrey Keating <geoffk@apple.com>
10008 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
10009 HAVE_DECL_SIGALTSTACK.
10011 (segv_handler): Use MC_FLD.
10012 * configure.ac: Check for a sigaltstack declaration.
10013 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
10014 * configure: Regenerate.
10015 * config.in: Regenerate.
10017 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
10020 * Makefile.in (stmp-fixinc): Fix typo.
10022 2006-06-02 Roger Sayle <roger@eyesopen.com>
10024 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
10025 are type correct. Clean-up.
10026 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
10027 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
10029 2006-06-01 DJ Delorie <dj@redhat.com>
10031 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
10032 shift, as we've disabled the "switch" insn that needs it.
10034 2006-06-01 Per Bothner <bothner@bothner.com>
10036 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
10037 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
10038 * c-ppoutput.c (cb_define): Don't increment line 0.
10040 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
10042 * doc/invoke.texi: Add cpu_type power6.
10043 * config.gcc: Add cpu_type power6.
10044 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
10045 to power5+ with Altivec.
10046 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
10047 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
10049 2006-05-30 Anatoly Sokolov <aesok@post.ru>
10051 * config/avr/avr.h (SET_ASM_OP): Define.
10053 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
10055 * config/bfin/bfin.c: Fix comment typos.
10057 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10060 * doc/install.texi: Document --enable-bootstrap and
10061 --disable-bootstrap.
10063 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10065 * doc/install.texi: Document that InfoZIP can replace jar.
10067 2006-05-31 Roger Sayle <roger@eyesopen.com>
10069 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
10070 isn't available, directly generate the simpler x87 patterns without
10071 the (use (const_int 0)).
10072 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
10073 implementation isn't available.
10074 (*negdf2_1): Likewise.
10075 (*negxf2_1): XF mode negation is always done using the x87.
10076 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
10078 2006-05-31 Roger Sayle <roger@eyesopen.com>
10080 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
10081 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
10083 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
10085 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10087 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
10088 * config/bfin/bfin.c (basic-block.h): Include.
10089 (struct machine_function): New.
10090 (bfin_init_machine_status): New.
10091 (override_options): Initialize init_machine_status.
10092 (bfin_hardware_loop): New.
10093 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
10094 (DEF_VEC_P (loop_info)): New.
10095 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
10096 (struct loop_info): New.
10097 (loop_info): New typedef.
10098 (struct loop_work): New.
10099 (loop_work): New typedef.
10100 (DEF_VEC_O (loop_work)): New.
10101 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
10102 (bfin_dump_loops): New.
10103 (bfin_bb_in_loop): New.
10104 (bfin_scan_loop): New.
10105 (bfin_optimize_loop): New.
10106 (bfin_reorg_loops): New.
10107 (bfin_reorg): Use bfin_reorg_loops.
10108 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
10110 (I_REGNO_P): Simplify.
10111 (DP_REGNO_P, DPREG_P): New macros.
10112 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
10113 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
10114 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
10115 Add LT_REGS, LC_REGS, LB_REGS.
10116 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
10118 (REGNO_REG_CLASS): Deal with loop registers.
10119 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
10121 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
10122 New constants for loop registers.
10123 (UNSPEC_LSETUP_END): New.
10124 (seq_insns): New define_attr. Set it for appropriate insns.
10125 (movsi_insn): Add alternatives for move from/to
10126 loop count registers.
10127 (doloop_end): New define_expand.
10128 (loop_end): New define_insn.
10129 (define_split for bad doloop_end): New.
10130 (lsetup_with_autoinit): New define_insn.
10131 (lsetup_without_autoinit): New define_insn.
10132 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
10133 * config/bfin/predicates.md (lc_register_operand): New.
10134 (lt_register_operand): New.
10135 (lb_register_operand): New.
10136 (nondp_register_operand): New.
10137 (nondp_reg_or_memory_operand): New.
10138 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
10140 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10142 * config/bfin/bfin.c (bfin_delegitimize_address): New.
10143 (TARGET_DELEGITIMIZE_ADDRESS): Define.
10145 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
10147 * Makefile.in (CATALOGS): Add po/ prefix.
10148 * configure: Regenerated.
10150 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
10153 * arm.c (arm_print_operand case 'S'): Validate that the operand is
10154 a shift operand before calling shift_op. Avoid redundant call of
10157 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
10158 DJ Delorie <dj@redhat.com>
10160 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
10161 we're inserting is a singlt-bit constant.
10163 2006-05-30 Roger Sayle <roger@eyesopen.com>
10165 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
10166 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
10168 2006-05-30 Roger Sayle <roger@eyesopen.com>
10170 PR tree-optimization/23452
10171 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
10172 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
10173 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
10174 complex values and with -ffast-math for FP complex values.
10176 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
10178 * c-common.h: Remove the prototype for yyparse.
10179 * rtl.h: Remove the prototype for init_loop.
10181 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
10183 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
10186 2006-05-30 Roger Sayle <roger@eyesopen.com>
10188 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
10190 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
10191 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
10193 2006-05-30 Dirk Mueller <dmueller@suse.de>
10196 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
10197 for CONSTANT_CLASS_P expresisons.
10199 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10202 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
10204 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
10206 PR tree-optimization/27779
10207 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
10208 initial_condition instead of CHREC_LEFT.
10210 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
10212 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
10213 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
10214 Make prototypes ISO C90.
10216 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
10217 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10219 * see.c (see_analyze_one_def): Correct check.
10220 (see_get_extension_data): Check if extension is parallel.
10221 (see_get_extension_reg): Likewise.
10223 2006-05-30 Uros Bizjak <uros@kss-loka.si>
10226 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
10227 into register for (code == GTU).
10229 2006-05-29 Roger Sayle <roger@eyesopen.com>
10231 PR tree-optimization/24964
10232 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
10233 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
10234 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
10235 abs(x)*abs(x) as x*x for scalar floating point modes.
10237 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
10239 PR middle-end/27745
10240 * lambda-code.c (perfect_nestify): Don't copy statements
10241 in the inner loop: move them to the inner loop header.
10243 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10246 * c-tree.texi: Document OpenMP directives and clauses.
10248 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10250 * varasm.c (globalize_decl): Fix indentation.
10252 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10255 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
10256 pass_fre, pass_store_ccp, pass_copy_prop,
10257 pass_store_copy_prop, pass_merge_phi, pass_nrv,
10258 pass_return_slot, pass_object_size, pass_lim,
10259 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
10260 pass_loop_prefetch and pass_stdarg.
10262 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
10264 * config/bfin/bfin.opt (mfdpic): New option.
10265 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
10266 (EXTRA_MULTILIB_PARTS): Likewise.
10267 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
10268 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
10270 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
10271 (CRT_CALL_STATIC_FUNCTION): New.
10272 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
10274 (CRT_CALL_STATIC_FUNCTION): New.
10275 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
10277 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
10278 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
10279 (initialize_trampoline): Changed to handle FD-PIC code generation.
10280 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
10281 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
10282 (override_options): Disallow -mid-shared-library -mfdpic combination.
10283 Can't do unaligned ops if FD-PIC.
10284 Turn off flag_pic if trying to generate non-id-shared-library
10285 non-fdpic code, since it's not supported.
10286 (bfin_assemble_integer): New function.
10287 (TARGET_ASM_INTEGER): Define.
10288 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
10290 * config/bfin/crtn.s: Restore them.
10291 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
10293 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
10294 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
10295 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
10296 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
10297 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
10299 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
10300 FDPIC_REGS and FDPIC_FPTR_REGS.
10301 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
10302 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
10303 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
10304 (load_funcdescsi): New pattern.
10305 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
10306 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
10307 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
10309 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10311 * gcse.c, rtlanal.c: Remove obsolete comments associated with
10314 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
10316 * tree-flow.h: Remove the prototype for add_type_alias.
10317 * tree-ssa-alias.c (add_type_alias): Remove.
10319 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
10321 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
10322 config/fr30/fr30.md, config/i386/i386-interix.h,
10323 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
10324 config/sh/superh64.h, config/v850/v850.c, df-core.c,
10325 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
10326 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
10327 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
10328 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
10329 Follow spelling conventions.
10330 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
10331 Follow spelling conventions.
10333 2006-05-27 Richard Guenther <rguenther@suse.de>
10335 PR middle-end/27773
10336 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
10337 to produce a constant of value 1 of generic type.
10339 2006-05-27 Dirk Mueller <dmueller@suse.de>
10341 * cgraphunit.c (decide_is_function_needed): Fix wrong
10344 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
10346 PR rtl-optimization/27661
10347 * reload.c (find_reloads): When reloading a VOIDmode constant
10348 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
10349 use Pmode as mode of the reload register.
10351 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
10353 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
10354 is enabled at -O and above.
10356 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
10359 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
10362 2006-05-25 Mark Mitchell <mark@codesourcery.com>
10365 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
10366 for anonymous variables explicitly declared by front ends.
10368 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10370 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
10371 (struct alias_info): Add new field ref_all_symbol_mem_tag.
10372 * tree-ssa-alias.c (compute_may_aliases): If the program contains
10373 ref-all pointers, run a finalization pass for them.
10374 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
10375 (finalize_ref_all_pointers): New function.
10376 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
10377 regular pointer type to a ref-all pointer type.
10378 (get_tmt_for): Return the special memory tag for ref-all pointers.
10380 2006-05-25 Richard Guenther <rguenther@suse.de>
10382 PR middle-end/27743
10383 * fold-const.c (fold_binary): Do not look at the stripped
10384 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
10386 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10388 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
10389 for LT and GT if the computed range is effectively empty.
10391 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10394 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
10395 mips_quad_format formats instead of ieee_single_format,
10396 ieee_double_format and ieee_quad_format formats, respectively.
10398 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
10400 PR tree-optimization/27639
10401 PR tree-optimization/26719
10402 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
10403 call to scev_probably_wraps_p.
10404 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
10405 used_in_pointer_arithmetic_p, convert_step): Removed.
10406 (nowrap_type_p): New function.
10407 (scev_probably_wraps_p): Rewritten.
10408 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
10409 chrec_convert if chrec_convert_aggressive might have been used.
10410 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
10411 scev_direction): New functions.
10412 (chrec_convert): Changed to a wrapper over chrec_convert_1.
10413 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
10414 instead of convert_step.
10415 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
10416 (convert_step): Declaration removed.
10417 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
10419 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
10421 * df-core.c: Added to header comments.
10422 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
10423 df_ur_bb_info, df_urec_bb_info): Added comments.
10424 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
10425 urec, ri problems): Fixed header comments.
10426 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
10427 code from df_rd_transfer_function.
10429 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10431 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
10432 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
10433 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
10435 2006-05-23 Joseph Myers <joseph@codesourcery.com>
10437 * expr.c (undefined_operand_subword_p): New.
10438 (emit_move_multi_word): Do not generate move from undefined bits
10439 of a paradoxical subreg.
10441 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10443 PR rtl-optimization/27736
10444 * combine.c (replaced_rhs_value): New variable.
10445 (combine_instructions): Set it.
10446 (distribute_notes): When distributing a note in replaced_rhs_insn,
10447 check whether the value was used in replaced_rhs_value.
10449 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
10452 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
10453 add_referenced_var instead of add_referenced_tmp_var.
10454 * tree-complex.c (create_one_component_var): Use add_referenced_var.
10455 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
10456 add_referenced_var.
10457 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
10458 tree_optimize_tail_calls_1): Use add_referenced_var.
10459 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
10460 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
10461 Use add_referenced_var.
10462 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
10463 * gimplify.c (force_gimple_operand): Use add_referenced_var.
10464 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
10465 Use add_referenced_var.
10466 * tree-dfa.c (struct walk_state): Remove.
10467 (find_referenced_vars): Remove walk state and vars_found hash table.
10468 (make_rename_temp): Use add_referenced_var.
10469 (find_vars_r): Pass less parameters to add_referenced_var.
10470 (referenced_var_p): New. Is var in referenced_var hash table.
10471 (referenced_var_insert): Assert var isn't already in hash table.
10472 (add_referenced_var): Don't need walk_state parameter. Add var if it
10473 isn't already in the hash table.
10474 (add_referenced_tmp_var): Remove.
10475 (find_new_referenced_vars_1): Use add_referenced_var.
10476 * tree-ssa-pre.c (create_expression_by_pieces,
10477 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
10478 Use add_referenced_var.
10479 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
10480 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
10481 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
10482 add_referenced_var.
10483 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10484 vect_create_data_ref_ptr, vect_create_destination_var,
10485 vect_init_vector, vect_build_loop_niters,
10486 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
10487 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
10488 Use add_referenced_var.
10489 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
10490 * tree-flow.h (add_referenced_tmp_var): Remove prototype
10491 (add_referenced_var): Add prototype.
10492 * tree-ssa-structalias.c (get_constraint_for,
10493 intra_create_variable_infos): Use add_referenced_var.
10495 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
10497 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
10498 big-endian paradoxical subregs.
10499 * var-tracking.c (struct micro_operation_def): Document that,
10500 for modify micro operations, insn is the subsequent instruction.
10501 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
10502 (var_reg_set, var_mem_set): ... new functions.
10503 (add_stores): Record subsequent insn.
10504 (compute_bb_dataflow): Use new functions for MO_USE.
10505 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
10506 notes after the insn, and modify notes before the insn known
10507 to be the subsequent one.
10508 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
10510 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
10513 * config/i386/i386.c (ix86_expand_builtin): Use
10514 gen_sse3_monitor64 for TARGET_64BIT.
10516 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
10518 PR rtl-optimization/26375
10519 PR rtl-optimization/26855
10520 * df-problems (df_ru_bb_local_compute_process_def): Removed update
10522 (df_ru_bb_local_compute): Reversed statements and removed bogus
10523 comment explaining why they should be in wrong order.
10524 (df_ru_dump, df_rd_dump): Enhanced debug info.
10525 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
10527 * ddg.c (add_deps_for_def): Converted use of reaching defs to
10528 reaching uses and fixed space problem.
10530 2006-05-23 Jan Hubicka <jh@suse.cz>
10532 * cgraphunit.c (decide_is_function_needed): Also nested functions
10533 and functions declared inline can be optimized out at -O0.
10535 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
10537 * doc/install.texi (Configuration): Remove reference to CrossGCC
10538 FAQ which was gone.
10541 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10544 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
10545 ix86_compare_emitted is non-NULL.
10547 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10550 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
10553 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10555 PR rtl-optimization/25514
10556 * combine.c (replaced_rhs_insn): New variable.
10557 (combine_instructions): Set replaced_rhs_insn when trying to replace
10558 a SET_SRC with a REG_EQUAL note.
10559 (distribute_notes): Use replaced_rhs_insn when determining the live
10560 range of a REG_DEAD register.
10562 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
10563 Anatoly Sokolov <aesok@post.ru>
10565 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
10566 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
10567 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
10568 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
10569 atmega3290, atmega649, atmega6490, atmega406, atmega640,
10570 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
10571 at90usb647, at90usb1286 and at90usb1287 devices.
10572 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10573 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10575 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10577 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
10579 2006-05-22 Richard Guenther <rguenther@suse.de>
10582 2006-01-31 Richard Guenther <rguenther@suse.de>
10583 Paolo Bonzini <bonzini@gnu.org>
10585 * doc/install.texi (--disable-libgcc-math): Document.
10587 2006-05-22 Richard Guenther <rguenther@suse.de>
10590 2006-01-31 Richard Guenther <rguenther@suse.de>
10592 * doc/invoke.texi (-msselibm): Document.
10593 * target.h (expand_library_builtin): New target hook.
10594 * builtins.c (expand_builtin): Use expand_library_builtin.
10595 (default_expand_library_builtin): New function.
10596 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10597 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10598 (link_gcc_math_spec): Declare.
10599 (static_specs): Add link_gcc_math_spec.
10600 * expr.h (default_expand_library_builtin): Declare.
10601 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10602 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10603 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10604 * config/i386/i386.opt (msselibm): New target option.
10605 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10606 (ix86_init_sse_abi_builtins): New function.
10607 (ix86_expand_library_builtin): Likewise.
10608 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10609 (override_options): Handle error conditions wrt -msselibm.
10610 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10611 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10612 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10615 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10618 * c-common.c (self_promoting_args_p): Skip erroneous args.
10621 * c-decl.c (finish_struct): Skip erroneous fields.
10623 2006-05-22 Nick Clifton <nickc@redhat.com>
10625 * config/cris/cris.opt (march): Remove VarExists attribute.
10626 (max-stackframe=): Likewise.
10628 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10630 * doc/rtl.texi: Fix a typo.
10631 * see.c: Fix comment typos.
10633 * tree-ssa-structalias.h (alias_info): Remove num_references.
10635 2006-05-21 Mike Stump <mrs@apple.com>
10637 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10639 (darwin_pragma_options): Use BAD instead.
10640 (darwin_pragma_unused): Likewise.
10641 (darwin_pragma_ms_struct): Likewise.
10643 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10645 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10647 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10649 PR rtl-optimization/27671
10650 * simplify-rtx.c (simplify_relational_operation_1): Fix
10651 simplifications of (eq/ne (xor x y) y) and
10652 (eq/ne (xor x y) x).
10654 PR tree-optimization/26622.
10655 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10658 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10660 * tree-cfg.c: Prune whitespace.
10661 (debug_tree_cfg): Point to correct header containing the
10664 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10666 PR middle-end/25776
10667 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10669 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10671 PR middle-end/25776
10672 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10673 or sorry count is non zero.
10675 2006-05-20 Andreas Schwab <schwab@suse.de>
10677 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10679 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10680 Kenneth Zadeck <zadeck@naturalbridge.com>
10682 PR rtl-optimization/26855
10684 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10686 (df_scan_alloc): Added code to properly handle multiword hard
10687 registers and add all_blocks parameter.
10688 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10689 code to properly handle multiword hard registers.
10690 (df_rescan_blocks): Added code to remove deleted blocks from
10692 (df_ref_create_structure, df_ref_record): Added code to properly
10694 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10695 and set DF_REF_PARTIAL.
10696 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10697 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10698 (df_scan_add_problem): Added flags parameter.
10699 (df_ref_create_structure): Changed switching structure.
10700 (df_bb_refs_record): Fixed case where duplicate artificial refs
10701 were created. Changed location of flags.
10702 (df_record_entry_block_defs): Added code to make stack pointer
10703 live in entry block. Refined cases where frame pointer is needed.
10704 Changed location of flags.
10705 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10706 (df_set_state): Removed function.
10707 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10708 df_insn_create_insn_record, df_insn_refs_delete,
10709 df_ref_create_structure): Formatting changes.
10710 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10711 df_delete_basic_block): New function.
10712 (df_init): Changed location of flags.
10713 (df_add_problem): Added flags parameter and the way flags are
10715 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10716 debug_df_chain): Improved debugging output.
10717 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10718 (df_refs_chain_dump): Removed df parameter.
10719 (df_iterative_dataflow): Added consistency check.
10720 (df_prune_to_subcfg): Made public.
10721 (df_analyze_problem): Added blocks_to_init parameter and made
10723 (df_ref_record, df_bb_refs_record, df_mark_reg,
10724 df_record_exit_block_uses): Whitespace changes.
10725 (df_dump): Whitespace changes.
10726 * df.h: Some reordering to remove forward references.
10727 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10728 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10729 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10730 (dataflow.flags): New field.
10731 (df.flag): Deleted field.
10732 (df_alloc_function): Added additional bitmap parameter.
10733 (df_dependent_problem_function): New type.
10734 (df_problem.changeable_flags): New field.
10735 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10736 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10737 (df_mw_hardreg): New struct.
10738 (DF_INSN_UID_MWS): New macro.
10739 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10741 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10742 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10743 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10744 (df_set_state): Removed function.
10745 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10746 * df-problems.c (df_chain_dump): Removed df parameter.
10747 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10748 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10750 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10751 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10752 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10753 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10754 DF_REF_MUST_CLOBBER cases.
10755 (df_ru_bb_local_compute_process_def,
10756 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10757 df_lr_bb_local_compute, df_ur_bb_local_compute,
10758 df_chain_create_bb): Made subreg aware.
10759 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10760 df_lr_bb_local_compute, df_lr_bb_local_compute,
10761 df_chain_create_bb): Cleanup to use proper macros.
10762 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10763 code to fixup bitvectors.
10764 (df_ri_alloc): Cleared lifetime.
10765 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10766 df_create_unused_note): New function.
10767 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10768 REG_DEAD and REG_UNUSED notes as well as register information.
10769 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10770 df_chains_dump): Fixed crash if problem was never run.
10771 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10772 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10773 df_ri_add_problem): Processes flags in uniform manner.
10774 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10775 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10776 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10777 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10778 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10779 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10780 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10781 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10782 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10783 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10784 * see.c (see_initialize_data): Ditto.
10785 * final.c (rest_of_clean_state) Added regstack_completed.
10786 * rtl.h (regstack_completed): Ditto.
10787 * reg-stack.c (regstack_completed): Ditto.
10789 2006-05-19 Mike Stump <mrs@apple.com>
10791 * c-tree.h (default_conversion): Remove.
10792 * c-common.h (default_conversion): Add.
10794 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10796 * tree-vrp.c (valid_value_p): New function.
10797 (adjust_range_with_scev): Fail if the value of bound is not
10800 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10802 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10803 (mips_fallback_frame_state): Use syscall numbers to determine
10804 the appropriate li instruction for the current ABI. Only use
10805 __NR_sigreturn for o32.
10807 2006-05-19 Nicolas Setton <setton@adacore.com>
10809 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10810 * langhooks.c (lhd_dwarf_name): New function.
10811 * langhooks-def.h (lhd_dwarf_name): Declare.
10812 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
10813 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
10815 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10817 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
10819 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
10820 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
10821 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
10822 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
10823 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
10824 determine the size of Wtype, etc.
10825 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
10826 (swfloatfuncs): New variable.
10827 (dwfloatfuncs): Likewise.
10828 (lib2funcs): Remove floating-point conversion functions from
10829 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
10830 the set of conversion routines needed. Allow entries to specify
10831 an object name, filename and word size. Update users accordingly.
10832 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
10833 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
10837 2006-02-08 Roger Sayle <roger@eyesopen.com>
10840 * config/fixtfdi.c: New libgcc source file.
10841 * config/fixunstfdi.c: New source file.
10842 * config/floatditf.c: New source file.
10843 * config/floatunditf.c: New souce file.
10844 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10845 files above instead of config/mips/_tilib.c.
10846 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10848 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10850 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
10851 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
10853 2006-05-18 Mike Stump <mrs@apple.com>
10855 Fix up vla, vm and [*] sematics.
10861 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
10862 (c_vla_unspec_p): Add.
10863 (c_vla_type_p): Add.
10864 * c-decl.c (struct c_scope): Add had_vla_unspec.
10865 (build_array_declarator): Add support for [*].
10866 (grokdeclarator): Likewise.
10867 (grokparms): Likewise.
10868 (get_parm_info): Likewise.
10869 * c-objc-common.c (c_vla_unspec_p): Likewise.
10870 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
10871 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
10872 typeof when argument is a variably modified type not inside sizeof or alignof.
10873 (c_parser_direct_declarator_inner): Propagate errors.
10874 (c_parser_sizeof_expression): Add support for [*].
10875 (c_parser_parms_declarator): Initialize had_vla_unspec.
10876 (c_parser_parms_list_declarator): Likewise.
10877 * c-typeck.c (c_vla_type_p): Add.
10878 (composite_type): Add support for vla compositing.
10879 (comptypes_internal): Add support for vla compatibility.
10880 (c_expr_sizeof_expr): Evaluate vla arguments.
10881 * tree.c (variably_modified_type_p): Update comment for [*].
10883 2006-05-18 Michael Matz <matz@suse.de>
10886 * config.host: Make assignments to host_xmake_file cumulative.
10887 * config.host (*-darwin*): Test $host, not $target.
10889 2006-05-12 Stuart Hastings <stuart@apple.com>
10891 * config/i386/i386.opt (-mstackrealign): New flag.
10892 * config/i386/i386.c (force_align_arg_pointer): New attribute.
10893 (ix86_handle_cconv_attribute): Emit error when
10894 force_align_arg_pointer attribute collides with too many regparms.
10895 (ix86_function_regparm): Limit regparms when used with
10896 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
10897 Support stack-realigning prologue in non-main functions. Emit
10898 warning for nested functions under -mstackrealign, emit error for
10899 nested functions with force_align_arg_pointer attribute.
10900 * doc/extend.texi (force_align_arg_pointer): Document it.
10901 * doc/invoke.texi (-mstackrealign): Document it.
10903 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
10905 PR rtl-optimization/27477
10906 * combine.c (try_combine): Don't split a parallel consisting
10907 of two sets into two individual sets if both sets reference
10910 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
10912 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
10913 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
10915 * doc/options.texi (VarExists): Updated.
10917 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10919 * unwind-dw2.c: Add declarations for uw_update_context and
10920 uw_frame_state_for.
10921 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
10922 detected, advance frame state and context once to skip over stub.
10924 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10926 PR middle-end/20256
10927 PR middle-end/26435
10928 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
10929 Call rewrite_into_loop_closed_ssa only when something changed.
10930 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
10931 * lambda-code.c (can_convert_to_perfect_nest): Declared.
10932 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
10933 Test for perfect_nest_p here. Fix formating.
10934 (replace_uses_equiv_to_x_with_y): Fix formating.
10935 (stmt_uses_op): Removed.
10936 (can_convert_to_perfect_nest): Removed loopivs parameter.
10937 Complete the test by checking the scalar dependences.
10938 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
10941 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10944 From Dan Kegel <dank@kegel.com>:
10945 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
10947 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
10949 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
10950 if the element type is variably modified without recursing.
10952 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10954 PR middle-end/27332
10955 * tree-loop-linear.c (try_interchange_loops): Test for
10956 no data dependences.
10958 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
10960 PR tree-optimization/27548
10961 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
10962 range of ssa names that appear on abnormal edges.
10963 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
10964 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
10966 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10968 PR middle-end/27620
10969 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
10971 2006-05-17 Jakub Jelinek <jakub@redhat.com>
10973 PR middle-end/27415
10974 * tree.h (OMP_PARALLEL_COMBINED): Define.
10975 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
10976 (new_omp_context): Add is_combined_parallel argument.
10977 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
10978 new_omp_context caller.
10979 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
10980 Adjust gimplify_scan_omp_clauses callers.
10981 (omp_is_private): Issue errors if iteration variable is firstprivate
10982 or reduction in the current context.
10983 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
10984 on combined parallel workshare constructs.
10986 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10988 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
10989 (gcc-options.o): New rule.
10991 * optc-gen.awk: Protect variables for gcc-options.o with
10992 #ifdef GCC_DRIVER/#endif.
10994 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
10996 Fix PR tree-optimization/27373
10997 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
10998 (forward_propagate_addr_expr): Update call.
11000 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11002 * doc/options.texi: Move the Negative option.
11004 2006-05-16 Richard Guenther <rguenther@suse.de>
11006 PR tree-optimization/22303
11007 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
11009 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
11010 ccp_fold did not simplify the statement.
11012 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11015 * Makefile.in (GCC_OBJS): New.
11016 (OBJS-common): Add opts-common.o.
11017 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
11018 (cpp$(exeext)): Likewise.
11019 (gcc.o): Also depend on opts.h.
11020 (opts-common.o): New.
11022 * common.opt (gcoff): Add Negative(gdwarf-2).
11023 (gdwarf-2): Add Negative(gstabs).
11024 (gstabs): Add Negative(gstabs+).
11025 (gstabs+): Add Negative(gvms).
11026 (gvms): Add Negative(gxcoff).
11027 (gxcoff): Add Negative(gxcoff+).
11028 (gxcoff+): Add Negative(gcoff).
11029 * config/i386/i386.opt (m32): Add Negative(m64).
11030 (m64): Add Negative(m32).
11032 * doc/options.texi: Document the Negative option.
11034 * gcc.c: Include "opts.h".
11035 (main): Call prune_options after expandargv.
11037 * optc-gen.awk: Generate common declarations for all flag
11038 variables in options.c. Output the neg_index field.
11040 * opts.c (find_opt): Moved to ...
11041 * opts-common.c: Here. New file.
11043 * opts.h (cl_option): Add a neg_index field.
11045 (prune_options): Likewise.
11047 2006-05-16 Jakub Jelinek <jakub@redhat.com>
11049 PR middle-end/27573
11050 * omp-low.c (expand_omp_parallel): Don't assert
11051 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
11052 instead search for it.
11055 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
11058 2006-05-16 Andreas Schwab <schwab@suse.de>
11060 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
11063 2006-05-15 Roger Sayle <roger@eyesopen.com>
11066 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
11067 integer constants other than zero are only legitimate on TARGET_64BIT.
11068 <CONST_VECTOR> Only zero vectors are legitimate.
11069 (ix86_cannot_force_const_mem): Integral and vector constants can
11070 always be put in the constant pool.
11072 2006-05-16 DJ Delorie <dj@redhat.com>
11074 * crtstuff.c (__dso_handle): Set section from
11075 TARGET_LBIGCC_SDATA_SECTION if defined.
11076 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
11077 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
11079 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
11082 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
11085 2006-05-16 Ben Elliston <bje@au.ibm.com>
11087 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
11089 2006-05-15 Per Bothner <per@bothner.com>
11091 * tree.c: (last_annotated_node): Use source_locus typedef.
11092 This permits bootstrapping with --enable-mapped-location.
11094 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
11096 PR tree-optimization/26830
11097 * tree-into-ssa.c (struct ssa_name_info): Add age field.
11098 (info_for_ssa_name, current_info_for_ssa_name_age,
11099 blocks_to_update): New variables.
11100 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
11101 (clear_ssa_name_info, initialize_flags_in_bb,
11102 mark_block_for_update): New functions.
11103 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
11104 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
11105 prepare_def_site_for): Use mark_block_for_update.
11106 (mark_def_interesting): Assert that the processed block is marked in
11107 blocks_to_update. Do not take blocks argument.
11108 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
11110 (rewrite_update_init_block, rewrite_update_stmt): Only process
11111 blocks with statements to rewrite.
11112 (delete_update_ssa): Do not clear SSA_NAME_AUX.
11113 (update_ssa): Initialize and free blocks_to_update. Do not
11114 clear flags on statements. Do not use blocks bitmap.
11115 * tree.h (SSA_NAME_AUX): Removed.
11116 (struct tree_ssa_name): Removed aux field.
11117 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
11119 2006-05-15 Richard Guenther <rguenther@suse.de>
11121 PR tree-optimization/27603
11122 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
11123 Do computations in original type.
11125 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
11127 * see.c: Code style changes such as redundant paranthesis,
11128 redundant intialization of local variables etc.
11129 (see_main): Declared now as static.
11130 * doc/invoke.texi: Update that -fsee is not enabled by
11133 2006-05-15 Jakub Jelinek <jakub@redhat.com>
11135 * omp-low.c (check_omp_nesting_restrictions): New function.
11136 (scan_omp_1): Call it.
11138 PR middle-end/27416
11139 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
11140 construct, return *VAR.
11142 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
11144 PR rtl-optimization/27406
11145 * bt-load.c (migrate_btr_def): Skip the block having abnormal
11148 2006-05-14 Roger Sayle <roger@eyesopen.com>
11150 PR rtl-optimization/27538
11151 * combine.c (expand_compound_operation): Call gen_lowpart
11152 before calling simplify_shift_const.
11154 2006-05-14 Roger Sayle <roger@eyesopen.com>
11156 PR rtl-optimization/22563
11157 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
11158 a fixed width bitfield, always force the intermediates into psuedos.
11160 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
11163 * mkconfig.sh: Use operator = instead of == for test.
11165 2006-05-13 Nick Clifton <nickc@redhat.com>
11167 * dwarf2out.c (dbx_reg_number): Check return value from
11168 LEAF_REG_REMAP and only use it if it is valid.
11169 (multiple_reg_loc_descriptor): Likewise.
11171 2006-05-13 Richard Guenther <rguenther@suse.de>
11173 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
11176 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
11178 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
11179 information attached to non-INSNs such as NOTEs.
11180 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
11182 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
11184 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
11186 * config/s390/s390.md: Adjust comment describing On constraint.
11188 2006-05-11 Jan Hubicka <jh@suse.cz>
11190 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
11191 to be output at -O0.
11193 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11195 PR middle-end/27384
11196 * fold-const.c (size_binop): Move sanity check for arguments to
11197 the beginning of the function.
11199 PR middle-end/27488
11200 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
11203 2006-05-11 Richard Guenther <rguenther@suse.de>
11205 PR middle-end/27529
11206 * fold-const.c (fold_unary): Handle intermediate conversion
11207 to a pointer type like intermediate conversion to an integer
11208 type in folding of (T1)(T2)var to var.
11209 Match the code to the comment in the final conversion for
11210 (T1)(T2)var to (T1)var regarding to type precision. Rather
11211 than disallow T1 being of pointer type, assert that both T1
11212 and var are of pointer type or not. Make sure not to fall
11213 over the frontends lazyness wrt array to pointer decay though.
11215 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
11217 * arm.c (arm_struct_value_rtx): Delete.
11218 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
11219 (arm_init_cumulative_args): Always initialize nregs to zero.
11221 2006-05-10 Richard Guenther <rguenther@suse.de>
11223 PR tree-optimization/27532
11224 * tree-object-size.c (plus_expr_object_size): Fix typo.
11226 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
11229 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
11230 ashrdi_const, ashrdi3): Use a scratch register.
11232 2006-05-10 Richard Guenther <rguenther@suse.de>
11234 PR tree-optimization/27302
11235 * fold-const.c (operand_equal_p): For two comparisons,
11236 try comparison of one comparison code swapped if that yields
11239 2006-05-10 Ben Elliston <bje@au.ibm.com>
11241 * tree-pretty-print.c (pretty_print_string): No need to handle
11242 '\0' as a special character.
11244 * tree.h: Include "hashtab.h".
11245 (iterative_hash_expr): Use hashval_t in its prototype.
11246 * Makefile.in (TREE_H): Add $(HASHTAB_H).
11248 2006-05-09 Steve Ellcey <sje@cup.hp.com>
11251 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
11252 (hppa*64*-*-hpux11*): Ditto.
11253 (hppa[12]*-*-hpux11*): Ditto.
11255 2006-05-09 David Edelsohn <edelsohn@gnu.org>
11258 * config/rs6000/aix41.h (TARGET_64BIT): Define.
11260 2006-05-09 Michael Matz <matz@suse.de>
11262 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
11263 host_extra_gcc_objs and host_xmake_file.
11264 (<*-*-linux*>): Don't overwrite host_xmake_file.
11265 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
11266 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
11267 (host_detect_local_cpu): Declare.
11268 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
11269 * config/i386/i386.c (override_options): Handle -mtune=native
11271 * config/i386/x-i386: New file.
11272 * config/i386/driver-i386.c: New file.
11273 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
11276 2006-05-09 Dirk Mueller <dmueller@suse.de>
11277 Richard Guenther <rguenther@suse.de>
11279 PR middle-end/27498
11280 * fold-const.c (fold_read_from_constant_string): Relax check
11281 for matching types to matching modes.
11283 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
11285 PR rtl-optimization/27335
11286 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
11289 2006-05-08 Chao-ying Fu <fu@mips.com>
11290 Richard Sandiford <richard@codesourcery.com>
11292 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
11293 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
11294 * config/mips/mips.md (UNSPEC_SCC): New constant.
11295 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
11296 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
11297 (mips_emit_compare): Use it.
11298 (mips_expand_vcondv2sf): New function.
11300 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
11302 Fix PR tree-optimization/27093
11303 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
11304 renaming when they become not-used_alone.
11306 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11308 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
11309 relocation and relocation stubs.
11311 2006-05-08 Eric Christopher <echristo@apple.com>
11313 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
11316 2006-05-08 Jan Hubicka <jh@suse.cz>
11318 PR middle-end/24561
11319 * cgraphunit.c (decide_is_function_needed): When not optimizing even
11320 unused static functions are needed.
11322 2006-05-08 Roger Sayle <roger@eyesopen.com>
11325 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11326 of a reg_equiv_constant if the result is a legitimate constant.
11328 2006-05-08 Uros Bizjak <uros@kss-loka.si>
11331 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
11332 standard 80387 constants, raise the cost to prevent
11333 compress_float_constant() to generate load from memory.
11335 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
11337 * config/arm/constraints.md (c): Fix a typo.
11339 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
11342 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
11345 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
11347 (_mm_mwait): Likewise.
11349 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
11351 (sse3_monitor): Make it 32bit only.
11352 (sse3_monitor64): New. 64bit monitor.
11354 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11357 * config/i386/i386.c (classify_argument): Skip fields with invalid
11360 2006-05-07 Richard Guenther <rguenther@suse.de>
11362 PR tree-optimization/27409
11363 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11364 Do not try to find zero-sized subvars.
11366 2006-05-07 Richard Guenther <rguenther@suse.de>
11368 PR tree-optimization/27136
11369 * tree-ssa-loop-niter.c (get_val_for): Correct function
11370 comment, assert requirements.
11371 (loop_niter_by_eval): Stop processing if the iterated
11372 value did not simplify.
11374 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
11376 * opts.c (flag_see): remove its setting at -O3.
11378 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
11380 * genpeep.c (main): Make insn-peep.c depend on flags.h.
11381 * arm/constraints.md: New file.
11382 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
11383 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
11384 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
11385 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
11386 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
11387 (EXTRA_MEMORY_CONSTRAINT): Likewise.
11388 * arm.md: Include constraints.md.
11389 (thumb_movsi_insn): Use satisfies_constraint_J.
11390 (movhi, movqi): Use satisfies_constraint_I.
11392 2006-04-29 Anatoly Sokolov <aesok@post.ru>
11394 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
11395 for atmeg a645 device.
11397 2006-05-06 Richard Guenther <rguenther@suse.de>
11399 PR tree-optimization/27151
11400 * tree-vect-transform.c (vectorizable_condition): Punt on
11401 values that have a different type than the condition.
11403 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
11406 * c-parser.c (c_parser_cast_expression): Only insert casts into
11407 hash table if pointer.
11408 * function.c (used_types_insert_helper): Rename from
11410 (used_types_insert): Call used_types_insert_helper.
11411 * function.h (used_types_insert): Accept only one argument.
11413 2006-05-05 David Edelsohn <edesohn@gnu.org>
11415 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
11416 scratch with output modifier.
11418 2006-05-04 David Edelsohn <edelsohn@gnu.org>
11421 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
11422 with output modifier.
11424 2006-05-04 Richard Sandiford <richard@codesourcery.com>
11427 * config/mips/mips.c (mips_symbolic_address_p): Return true
11428 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
11429 SYMBOL_GOTTPREL, and SYMBOL_TLS.
11431 2006-05-04 Richard Guenther <rguenther@suse.de>
11433 PR tree-optimization/14287
11434 PR tree-optimization/14844
11435 PR tree-optimization/19792
11436 PR tree-optimization/21608
11437 PR tree-optimization/27090
11438 * tree-ssa-pre.c (try_combine_conversion): New function.
11439 (compute_avail): After constructing the value-handle
11440 expression, use try_combine_conversion to combine NOP_EXPRs
11441 with previous value-handle expressions and use the result if it
11444 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
11446 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
11448 2006-05-04 Jan Hubicka <jh@suse.cz>
11450 PR middle-end/25962
11451 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
11453 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
11455 * config/bfin/predicates.md (const01_rtx): Tell generator programs
11456 that this only matches CONST_INTs. All users changed to VOIDmode
11459 * config/bfin/bfin.c: Include "optabs.h".
11460 (bfin_rtx_costs): Some costs for vector operations, to allow combine
11462 (enum bfin_builtins): Add a number of fractional and vector builtins.
11463 (bfin_init_builtins): Likewise.
11464 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
11465 (safe_vector_operand, bfin_expand_binop_builtin,
11466 bfin_expand_unop_builtin): New functions.
11467 (bfin_expand_builtin): Handle the new builtins.
11468 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11471 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
11474 * Makefile.in (OBJS-common): Add see.o.
11475 (see.o): Add dependencies.
11476 * common.opt (fsee): New flag for the see optimization was added.
11477 * opts.c (flag_see): Initialized.
11478 * passes.c (init_optimization_passes, pass_see): New pass.
11479 * rtl.h (see_main): Declaration as extern.
11480 * timevar.def (TV_SEE): New.
11481 * tree-pass.h (pass_see): Declaration as extern.
11482 * invoke.texi (-fsee): Document.
11483 * recog.c (validate_simplify_insn): New function.
11484 * recog.h (validate_simplify_insn): Declaration as extern.
11485 * df-problems.c (df_chain_dump): Check for NULL.
11487 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
11488 Daniel Berlin <dberlin@dberlin.org>
11490 * cfgrtl.c (insert_insn_bb_end_new): New function.
11491 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
11493 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11495 * df.h (struct web_entry): Moved from web.c.
11496 (union_defs): Declaration as extern.
11497 (unionfind_root): Likewise.
11498 (unionfind_union): Likewise.
11499 * web.c (struct web_entry): Moved to df.h.
11500 (unionfind_root): Remove static declaration.
11501 (unionfind_union): Likewise.
11502 (union_defs): Likewise and generalize to use callback function.
11503 (web_main): Update arguments for union_defs function call.
11505 2006-05-04 Richard Guenther <rguenther@suse.de>
11507 PR tree-optimization/26447
11508 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
11509 produce SSA_NAME copies before the store stmt to avoid
11510 breaking exception handling.
11512 2006-05-04 Jakub Jelinek <jakub@redhat.com>
11514 PR middle-end/27388
11515 * gimplify.c (omp_is_private): If var is shared in some outer context,
11516 return false instead of true. Stop searching on parallel context
11519 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
11522 * coverage.c: Use get_gcov_unsigned_t() instead of
11523 unsigned_type_node all over.
11525 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
11527 PR tree-optimization/27381
11528 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
11529 maintain the same immediate_use links.
11530 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
11531 node rather than segfaulting.
11533 2006-05-03 Jakub Jelinek <jakub@redhat.com>
11536 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
11537 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
11538 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
11540 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
11542 Fix PR tree-optimization/26626
11543 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
11545 * tree-ssa-operands.c (access_can_touch_variable): Allow
11546 typecasting through union pointers.
11548 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11551 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
11552 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
11553 to find if var will be a global variable even in the nested context.
11554 (omp_copy_decl): Only check for global variable at the end, it might
11555 be overridden in outer contexts.
11556 (scan_sharing_clauses): For global variables don't create a field.
11557 (lower_rec_input_clauses): Do nothing for global shared variables.
11558 Emit a barrier at the end of ILIST if there were any decls in both
11559 firstprivate and lastprivate clauses.
11560 (lower_send_clauses): Do nothing for global variables except for
11563 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
11565 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
11566 of the correct signedness is returned.
11568 2006-05-02 Jeff Law <law@redhat.com>
11570 PR tree-optimization/27364
11571 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
11572 multiply expressions.
11574 2006-05-02 Tom Tromey <tromey@redhat.com>
11576 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
11578 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
11581 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
11582 -mthumb -fPIC are used.
11584 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
11585 Joshua Kinard <kumba@gentoo.org>
11588 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
11589 with 64-bit pointers.
11591 2006-05-02 Paul Brook <paul@codesourcery.com>
11593 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11595 (create_fix_barrier): Check that a suitable barrier location is
11597 (arm_reorg): Include ftmp->address in allowable range of addresses.
11599 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11602 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11605 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11607 PR middle-end/27337
11608 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11609 around RESULT_DECL for result passed by reference.
11610 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11611 * omp-low.c (use_pointer_for_field): Don't look at
11612 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11613 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11614 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11615 time or var for passing by reference for
11616 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11617 TREE_ADDRESSABLE variables when passing by reference.
11619 * omp-low.c (dump_omp_region): Fix output formatting.
11621 PR middle-end/27328
11622 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11623 (expand_omp_parallel): Likewise.
11624 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11626 PR middle-end/27325
11627 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11628 on statement list containing also constructors and destructors.
11629 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11631 PR middle-end/27310
11632 * except.c (duplicate_eh_regions): Fix clearing of
11633 cfun->eh->region_array entries.
11635 2006-05-01 DJ Delorie <dj@redhat.com>
11637 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11639 (gcc_cv_objdump): Likewise.
11640 * configure: Regenerated.
11642 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11645 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11646 templates for case 3 and 4.
11648 2006-05-01 DJ Delorie <dj@redhat.com>
11650 * vec.c: Include bconfig.h when appropriate.
11651 * Makefile.in (build/vec.o): Adjust dependencies.
11652 * mkconfig.sh: Make sure config.h isn't used for build machine
11655 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11657 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11659 (mark_phi_for_rewrite): New function.
11660 (insert_phi_nodes_for, mark_use_interesting): Call
11661 mark_phi_for_rewrite.
11662 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11663 (update_ssa): Initialize and free phis_to_rewrite.
11665 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11667 PR rtl-optimization/27291
11668 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11669 folded to a constant.
11671 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11673 PR tree-optimization/27283
11674 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11675 not whole # of iteration descriptions.
11676 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11677 uses abnormal ssa name.
11678 (niter_for_single_dom_exit): Ditto.
11679 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11680 return just the number of iterations.
11682 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11684 PR tree-optimization/27144
11685 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11686 (record_estimate): Only record constant upper bound.
11687 (infer_loop_bounds_from_undefined): Call
11688 compute_estimated_nb_iterations just once.
11689 (proved_non_wrapping_p): Renamed to ...
11690 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11691 (convert_step_widening, scev_probably_wraps_p): Call
11692 n_of_executions_at_most instead of proved_non_wrapping_p.
11693 (substitute_in_loop_info): Do not replace values in bounds.
11694 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11697 2006-05-01 Richard Henderson <rth@redhat.com>
11700 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11701 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11704 2006-05-01 Roger Sayle <roger@eyesopen.com>
11706 * c-typeck.c (parser_build_binary_op): Don't call the function
11707 unsigned_conversion_warning to spot operand/result type overflow.
11708 (build_binary_op): Instead, call convert_and_check instead of
11709 convert to report the problem when the operands are promoted.
11710 * c-common.c (unsigned_conversion_warning): Make static.
11711 * c-common.h (unsigned_conversion_warning): Delete prototype.
11713 2006-05-01 Richard Guenther <rguenther@suse.de>
11715 PR tree-optimization/26726
11716 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11718 (find_interesting_uses_address): ... we work around here
11719 by folding INDIRECT_REFs in the substituted base.
11721 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11723 * omp-low.c (dump_omp_region): Add newlines.
11725 2006-04-30 Roger Sayle <roger@eyesopen.com>
11727 * common.opt (Woverflow): New command line option.
11728 * c-common.c (constant_expression_warning): Check warn_overflow.
11729 (overflow_waring): Pass OPT_Woverflow to warning.
11730 (unsigned_conversion_warning): Likewise.
11731 (convert_and_check): Likewise.
11732 * doc/invoke.texi: Document new command line option.
11734 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11736 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11737 TARGET_NO_FP_IN_TOC for section anchors.
11738 (optimization_options): Enable section anchors for all
11739 non-"Objective" languages.
11741 2006-04-28 Eric Christopher <echristo@apple.com>
11743 * config/darwin-c.c (darwin_ms_struct): Move this
11744 (darwin_set_default_type_attributes): and this...
11745 * config/darwin.c: ... here.
11746 * config/darwin.h (darwin_ms_struct): Declare.
11748 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11750 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11752 2006-04-28 Roger Sayle <roger@eyesopen.com>
11755 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11756 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11757 an unsigned HOST_WIDE_INT.
11758 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11760 (really_start_incremental_init): No need to call convert because
11761 bitsize_zero_node is already of type bitsizetype.
11762 (push_init_level): Extract the value of constructor_index as an
11763 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11764 (process_init_element): Likewise.
11766 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11768 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11769 value before passing to make_relative_prefix.
11771 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11773 PR middle-end/27260
11774 * builtins.c (expand_builtin_memset): Expand val in original mode.
11776 2006-04-27 Eric Christopher <echristo@apple.com>
11778 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11779 with #ifndef/#endif.
11780 * config/darwin-c.c (darwin_ms_struct): New.
11781 (darwin_pragma_ms_struct): Ditto.
11782 (darwin_set_default_type_attributes): Ditto.
11783 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11784 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11785 Register ms_struct pragma.
11786 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11787 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11788 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11789 darwin_set_default_type_attributes if TARGET_MACHO.
11791 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11793 PR tree-optimization/26854
11794 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11795 * doc/tree-ssa.texi: Update immuse iterator documentation.
11796 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11797 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11798 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11799 first_safe_imm_use, next_safe_imm_use): Remove.
11800 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11801 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11802 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11803 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11804 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11805 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11806 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11807 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11808 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11809 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11810 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11811 (perfect_nestify): Use new iterator.
11812 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
11814 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
11815 (next_imm_name): New field in struct immediate_use_iterator_d.
11816 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
11817 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
11818 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
11819 * tree-cfg.c (replace_uses_by): Use new iterator.
11820 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
11821 * tree-ssa-operands.c (correct_use_link): Remove.
11822 (finalize_ssa_use_ops): No longer call correct_use_link.
11824 2006-04-27 Stuart Hastings <stuart@apple.com>
11826 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
11827 * config/t-darwin (crt3.o): Use it.
11828 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
11829 'pmode', use Pmode instead of SImode for SYMBOL_REF.
11830 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
11831 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
11832 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
11835 2006-04-27 Roger Sayle <roger@eyesopen.com>
11837 * expmed.c (store_fixed_bit_field): If we're not optimizing for
11838 size, force the intermediate into a new pseudo rather instead of
11839 performing both a bitwise AND and a bitwise IOR in memory.
11841 2006-04-27 Richard Guenther <rguenther@suse.de>
11843 PR rtl-optimization/26685
11844 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
11845 this one "max-flow-memory-locations".
11847 2006-04-27 Richard Guenther <rguenther@suse.de>
11849 PR tree-optimization/25148
11850 * tree-vrp.c (compare_values): Remove code dealing with
11851 comparisons against type min/max value. Honour overflow
11852 and negative constants in code dealing with comparisons
11853 of plus and minus expressions.
11854 (value_inside_range): Use fold_binary with LE_EXPR and
11855 GE_EXPR rather than compare_values.
11857 2006-04-27 Dirk Mueller <dmueller@suse.de>
11859 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
11862 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
11864 * basic-block.h (safe_insert_insn_on_edge): Removed.
11865 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
11867 2006-04-26 David Edelsohn <edelsohn@gnu.org>
11868 Paolo Bonzini <bonzini@gnu.org>
11870 PR middle-end/27282
11871 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
11872 (simplify_and_const_int): Same.
11874 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
11876 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
11878 2006-04-26 Jakub Jelinek <jakub@redhat.com>
11881 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
11882 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
11883 cgraph_global_info_ready.
11885 PR middle-end/26913
11886 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
11889 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
11890 either decl or init is error_mark_node.
11892 PR middle-end/25989
11893 * tree-flow.h (struct omp_region): Add sched_kind.
11894 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
11895 instead of extracting omp for data.
11896 (expand_omp_for): Save extracted sched_kind.
11898 2006-04-25 Roger Sayle <roger@eyesopen.com>
11900 * expmed.c (store_bit_field): Also check whether the bitsize is
11901 valid for the machine's "insv" instruction before moving the
11902 target into a pseudo for use with the insv.
11903 * config/i386/predicates.md (const8_operand): New predicate.
11904 * config/i386/i386.md (extv, extzv, insv): Use the new
11905 const8_operand predicate where appropriate.
11907 2006-04-25 DJ Delorie <dj@redhat.com>
11909 * doc/install.texi (Specific): Clarify that this is not a list of
11910 supported hosts or targets.
11912 2006-04-25 Richard Sandiford <richard@codesourcery.com>
11914 PR rtl-optimization/26725
11915 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
11916 block's BB_DIRTY flag.
11918 2006-04-25 Geoffrey Keating <geoffk@apple.com>
11920 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
11923 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
11924 to print an integer.
11926 2006-04-25 David Edelsohn <edelsohn@gnu.org>
11928 * varasm.c (align_variable): New function.
11929 (get_block_for_decl): Apply align_variable to DECL before
11930 calculating section information.
11931 (assemble_variable): Split out alignment computation.
11933 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
11935 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
11938 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
11940 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
11941 MODE_PARTIAL_INT mode.
11942 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
11943 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
11945 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
11946 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
11948 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
11950 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
11952 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
11953 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
11954 MACFLAG_IH): Likewise.
11955 (movstricthi_1): Renamed from "*movstricthi".
11956 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
11957 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
11958 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
11959 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
11960 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
11961 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
11962 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
11963 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
11964 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
11965 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
11966 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
11967 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
11968 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
11969 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
11970 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
11972 * doc/rtl.texi (ss_ashift): Improve wording.
11974 2006-04-24 Geoffrey Keating <geoffk@apple.com>
11976 * dwarf2out.c (verify_marks_clear): New.
11977 (prune_unused_types): Call verify_marks_clear initially, not
11980 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
11982 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
11983 * doc/rtl.texi: Document them.
11984 * simplify-rtx.c (simplify_unary_operation,
11985 simplify_binary_operation_1): Don't abort when we see them.
11987 2006-04-24 Mark Mitchell <mark@codesourcery.com>
11990 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11991 * configure.ac: Completely disregard languages that are not
11993 * configure: Regenerated.
11995 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
11996 Richard Guenther <rguenther@suse.de>
11998 PR tree-optimization/27236
11999 * tree-inline.c (copy_body_r): Make sure to copy
12000 TREE_THIS_VOLATILE flag.
12002 2006-04-24 Richard Guenther <rguenther@suse.de>
12004 PR middle-end/26869
12005 * tree-complex.c (update_parameter_components): Don't handle
12006 unused parameters which have no default def.
12008 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12009 Richard Guenther <rguenther@suse.de>
12011 PR tree-optimization/27218
12012 * tree-inline.c (expand_call_inline): Strip useless type
12013 conversions for the return slot address.
12015 2006-04-24 Richard Guenther <rguenther@suse.de>
12017 * cfgloop.h (struct loops): Remove unused field array. Reorder
12019 (LOOP_PREFETCH): Remove.
12021 2006-04-24 Richard Guenther <rguenther@suse.de>
12023 PR tree-optimization/22525
12024 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
12025 variable, adjust types of generated expressions.
12027 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
12029 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
12030 (tree-vect-patterns.o): Likewise.
12031 (jump.o): Likewise.
12032 (cselib.o): Likewise.
12033 (loop-doloop.o): Likewise.
12034 (regclass.o): Likewise.
12035 (reload1.o): Likewise.
12036 (explow.o): Replace target.h with $(TARGET_H).
12037 (ipa-prop.o): Likewise.
12038 (ipa-cp.o): Likewise.
12039 (ipa-inline.o): Likewise.
12040 (reorg.o): Likewise.
12041 (reg-stack.o): Likewise.
12043 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12045 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
12047 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12049 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
12051 * configure.ac: Completely disregard languages that are not
12053 * configure: Regenerated.
12056 * c-common.h (c_build_bitfield_integer_type): Declare.
12057 * c-decl.c (c_build_bitfield_integer_type): Move to ...
12058 * c-common.c (c_build_bitfield_integer_type): ... here.
12060 2006-04-23 Roger Sayle <roger@eyesopen.com>
12063 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
12064 a SImode SUBREG of a floating point register after no_new_pseudos.
12066 2006-04-23 Roger Sayle <roger@eyesopen.com>
12068 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
12069 identify potentially eliminable registers to additionally catch
12070 VIRTUAL_INCOMING_ARGS_REGNUM.
12071 (addsi3): Update the conditions on when to use addsi_small_int.
12073 2006-04-23 Roger Sayle <roger@eyesopen.com>
12076 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
12077 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
12078 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
12080 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12082 * fold-const.c (range_predecessor): Use operand_equal_p
12083 as the predicate for equality.
12084 (range_successor): Likewise.
12086 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12089 * config/soft-fp/op-common.h: Fix a typo.
12091 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
12093 PR libmudflap/26864
12094 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
12095 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
12097 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12099 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
12101 * doc/tm.texi: Fix a typo.
12103 2006-04-21 Geoffrey Keating <geoffk@apple.com>
12105 * dwarf2out.c (struct die_struct): Document that die_sib makes
12106 a circular linked list.
12107 (FOR_EACH_CHILD): New.
12108 (reverse_die_lists): Delete.
12109 (reverse_all_dies): Delete.
12110 (add_dwarf_attr): Correct documentation.
12111 (remove_child_with_prev): New.
12112 (remove_child_TAG): Update for change to die_struct, use
12113 remove_child_with_prev.
12114 (add_child_die): Update for change to die_struct.
12115 (splice_child_die): Use remove_child_with_prev and add_child_die.
12116 (print_die): Use FOR_EACH_CHILD.
12117 (die_checksum): Likewise.
12118 (assign_symbol_names): Likewise.
12119 (output_location_lists): Likewise.
12120 (build_abbrev_table): Likewise.
12121 (calc_die_sizes): Likewise.
12122 (mark_dies): Likewise.
12123 (unmark_dies): Likewise.
12124 (unmark_all_dies): Likewise.
12125 (output_die): Likewise.
12126 (prune_unused_types_mark): Likewise.
12127 (prune_unused_types_walk): Likewise.
12128 (same_die_p): Update for change to die_struct.
12129 (break_out_includes): Likewise.
12130 (prune_unused_types_prune): Likewise.
12131 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
12132 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
12133 it's already clear.
12134 (dwarf2out_finish): Don't call reverse_all_dies.
12136 2006-04-21 Eric Christopher <echristo@apple.com>
12138 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
12139 in comments and function names.
12141 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12144 * c-typeck.c (digest_init): Robustify.
12146 * c-typeck.c (pop_init_level): Simplify.
12148 2006-04-21 Steve Ellcey <sje@cup.hp.com>
12150 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
12152 2006-04-21 Paul Brook <paul@codesourcery.com>
12154 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
12155 hardware floating point.
12157 2006-04-21 David Edelsohn <edelsohn@gnu.org>
12159 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
12162 2006-04-21 Nick Clifton <nickc@redhat.com>
12164 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
12167 2006-04-21 Alan Modra <amodra@bigpond.net.au>
12170 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
12171 C++ lang type in traceback table for Objective-C++.
12173 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
12175 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
12177 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
12179 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12182 * tree-mudflap.c (mudflap_finish_file): Skip function when there
12183 were errors. Remove check for erroneous objects.
12185 2006-04-20 Jeff Law <law@redhat.com>
12187 PR tree-optimization/26854
12188 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
12189 checking for zero or one use.
12190 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
12191 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
12192 * tree-ssa-reassoc.c (negate_value): Similarly.
12193 (reassociate_bb): Similarly.
12195 2006-04-20 Jakub Jelinek <jakub@redhat.com>
12198 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
12199 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
12200 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
12202 2006-04-20 Alan Modra <amodra@bigpond.net.au>
12204 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
12205 fp regs if the last fp arg doesn't fit in regs.
12207 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
12210 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
12211 that the last insn has the REG_INC note.
12213 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
12214 Nathan Sidwell <nathan@codesourcery.com>
12217 * stor-layout.c (update_alignment_for_field): Do not align
12219 (place_union_field): Place union field at the start of the union.
12220 (place_field): Move ERROR_MARK check later, and use the current
12221 allocation position to maintain monotonicity.
12223 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
12225 * dominance.c: Include timevar.h.
12226 (calculate_dominance_info): Use TV_DOMINANCE.
12227 * timevar.def (TV_DOMINANCE): New timevar.
12228 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
12230 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12232 PR rtl-optimization/14261
12233 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
12234 move would be an INSV insn.
12235 (noce_process_if_block): Don't optimize if the destination is a
12236 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
12238 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12240 * config/s390/s390.md: Add comments with the instructions emitted
12241 by an insn pattern if macros are used.
12243 2006-04-19 Alan Modra <amodra@bigpond.net.au>
12245 PR rtl-optimization/26026
12246 * fold-const.c (fold_binary): Optimize div and mod where the divisor
12247 is a known power of two shifted left a variable amount.
12249 2006-04-18 Geoffrey Keating <geoffk@apple.com>
12251 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
12252 to hash table twice when the debug_str section has SECTION_MERGE.
12254 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
12256 * config/soft-fp: New directory. From glibc.
12257 * config/soft-fp/t-softfp: New.
12258 * config/soft-fp/README: New.
12259 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
12260 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
12261 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
12262 (LIBGCC_DEPS): Add $(SFP_MACHINE).
12263 * config.gcc: Use rs6000/t-fprules-fpbit or
12264 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
12266 * config/rs6000/sfp-machine.h: New. Based on glibc.
12267 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
12269 * config/rs6000/t-fprules: Remove fp-bit rules.
12270 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
12271 * config/rs6000/t-linux64: Likewise. Remove duplicates from
12272 LIB2FUNCS_EXTRA. Remove fp-bit rules.
12273 (softfp_wrap_start, softfp_wrap_end): New.
12275 2006-04-18 DJ Delorie <dj@redhat.com>
12277 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
12279 2006-04-18 Devang Patel <dpatel@apple.com>
12281 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
12283 2006-04-18 Nick Clifton <nickc@redhat.com>
12285 * config/sh/t-symbian: Add rule to build sh-c.o
12286 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
12287 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
12288 (sh_symbian_encode_section_info): Likewise.
12290 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
12292 * builtins.c (expand_builtin_strcmp): Cover label definition of
12293 do_libcall with HAVE_cmpstrnsi.
12295 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
12297 * function.c (temp_slots_at_level, max_slot_level): Use VEC
12299 * function.h (temp_slot_p): New.
12300 (function): Change the type of x_used_temp_slots to
12301 VEC(temp_slot_p,gc) *.
12303 2006-04-18 Nick Clifton <nickc@redhat.com>
12305 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
12306 flag_strength_reduce.
12308 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
12310 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12314 Partial revert of revision 112637
12315 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12316 Dale Johannesen <dalej@apple.com>
12319 * regclass.c (struct reg_pref): Update documentation.
12320 (regclass): Set prefclass to NO_REGS if memory is the best option.
12321 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12323 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12325 PR tree-optimization/26821
12326 * tree-ssa-math-opts.c (get_constant_one): New.
12327 (insert_reciprocals): Use it.
12329 2006-04-17 Geoffrey Keating <geoffk@apple.com>
12331 * dwarf2out.c (free_AT): Delete.
12332 (remove_AT): Update string ref counts.
12333 (remove_child_TAG): Don't call free_die.
12334 (free_die): Delete.
12335 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
12336 or DW_TAG_GNU_EINCL.
12337 (prune_unused_types_walk_attribs): Reset string refcounts.
12338 (prune_unused_types_update_strings): New.
12339 (prune_unused_types_prune): Don't make unnecessary stores. Don't
12340 call free_die. Do call prune_unused_types_update_strings.
12341 (prune_unused_types): Empty debug_str_hash.
12343 2006-04-17 Roger Sayle <roger@eyesopen.com>
12345 * expr.c (expand_assignment): Optimize away no-op moves where the
12346 source and destination are equal and have no side-effects.
12348 2006-04-17 Richard Guenther <rguenther@suse.de>
12351 * reload.c (push_reload): Guard calls to get_secondary_mem
12352 for memory subregs.
12354 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
12356 * alias.c (reg_base_value, old_reg_base_value): Change the
12357 type to VEC(rtx,gc) *.
12358 (REG_BASE_VALUE, find_base_value, record_set,
12359 init_alias_analysis): Use VEC instead of VARRAY.
12361 * alias.c (alias_sets): Change the type to
12362 VEC(alias_set_entry,gc) *.
12363 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
12364 VEC instead of VARRAY.
12365 (last_alias_set): Remove.
12367 * cgraph.h (cgraph_edge_p): New.
12368 Update the prototype of cgraph_function_versioning.
12369 * cgraphunit.c (cgraph_copy_node_for_versioning,
12370 cgraph_function_versioning): Use VEC instead of VARRAY.
12371 * ipa-cp.c (ipcp_insert_stage): Likewise.
12373 2006-04-16 Roger Sayle <roger@eyesopen.com>
12376 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
12377 "A op B" or "A op C", we may need to convert A to the type of B and C.
12379 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
12381 * target.h (struct gcc_target): Add mode_rep_extended.
12382 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
12383 (init_num_sign_bit_copies_in_rep): Initialize it using
12385 (truncate_to_mode): Use it.
12386 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
12387 * targhooks.h (default_mode_rep_extended): Declare it.
12388 * targhooks.c (default_mode_rep_extended): Define it.
12389 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
12390 default_mode_rep_extended.
12391 (TARGET_INITIALIZER): Include it.
12392 * doc/tm.texi (Misc): Document it.
12393 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
12394 (mips_truncated_to_mode): New function.
12396 2006-04-16 Roger Sayle <roger@eyesopen.com>
12398 PR middle-end/25474
12399 * expr.c (compress_float_constant): Copy the narrow constant into
12400 a new pseudo before extending it to its final width.
12402 2006-04-16 Roger Sayle <roger@eyesopen.com>
12403 Andrew Pinski <pinskia@gcc.gnu.org>
12404 Dale Johannesen <dalej@apple.com>
12407 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
12408 special case code to implement V8HImode and V16QImode with SSE2.
12410 2006-04-15 Roger Sayle <roger@eyesopen.com>
12412 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
12413 trees are constructed with a suitable tree type.
12415 2006-04-15 Roger Sayle <roger@eyesopen.com>
12417 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
12418 (integer_onep): Likewise.
12419 (integer_all_onesp): Likewise.
12420 (integer_pow2p): Likewise.
12421 (integer_nonzerop): Likewise.
12422 (real_zerop): Likewise.
12423 (real_onep): Likewise.
12424 (real_twop): Likewise.
12425 (real_minus_onep): Likewise.
12426 (int_size_in_bytes): Likewise.
12427 (host_integerp): Likewise.
12429 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
12431 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
12432 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
12433 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
12435 * tree-ssa-structalias.h (alias_info): Remove num_references.
12437 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12439 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
12440 (output_bvb patterns): Likewise.
12441 * pa.c (output_bb): Use 'bb' insn for long branch case.
12442 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
12443 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
12444 1. Correct length operand for alternatives 1 and 2.
12445 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
12446 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
12448 2006-04-14 Roger Sayle <roger@eyesopen.com>
12450 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
12451 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
12452 were accidentally reverted by r112959.
12454 2006-04-15 Jakub Jelinek <jakub@redhat.com>
12456 PR middle-end/26823
12457 * except.h (eh_region_outermost): New prototype.
12458 * except.c (eh_region_outermost): New function.
12459 * tree-cfg.c (find_outermost_region_in_block): Use it.
12461 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12463 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
12465 * reload1.c (reg_equiv_memory_loc_varray): Rename to
12466 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
12467 (init_reload, reload): Use VEC instead of VARRAY.
12468 * reload.h: Update the prototype for
12469 reg_equiv_memory_loc_varray.
12471 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
12472 Eric Botcazou <ebotcazou@libertysurf.fr>
12474 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
12475 register save area.
12477 2005-04-13 Uros Bizjak <uros@kss-loka.si>
12479 PR middle-end/27134
12480 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
12481 to expand fallback builtin function call.
12483 2006-04-14 Alan Modra <amodra@bigpond.net.au>
12485 PR middle-end/27095
12486 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
12487 and emit libcall here in case the builtin fails.
12488 (expand_builtin_strcmp): Always emit the libcall here on failure.
12490 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12492 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
12493 * flow.c (reg_n_info): Change the type to
12494 VEC(reg_info_p,heap) *.
12495 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
12497 * regs.h (reg_info_p): New.
12498 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
12499 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
12500 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
12503 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
12505 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
12507 * params.h (MAX_SCHED_READY_INSNS): New macro.
12508 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
12509 past MAX_SCHED_READY_INSNS during the first scheduling pass.
12510 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
12511 the ready list for 1 cycle during the first scheduling pass.
12512 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
12514 2006-04-13 Richard Henderson <rth@redhat.com>
12517 * gimple-low.c (lower_omp_directive): Remove dead code.
12518 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
12519 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
12520 * omp-low.c (struct omp_region): Move to tree-flow.h.
12521 (root_omp_region): Export.
12522 (omp_regions, lookup_omp_region): Remove.
12523 (determine_parallel_type): Update for struct omp_region changes.
12524 (dump_omp_region): Dump regions with block numbers.
12525 (new_omp_region): Take type and block instead of stmt; malloc
12527 (free_omp_region_1, free_omp_regions): New.
12528 (expand_parallel_call): Take entry_stmt as argument; update for
12529 changes to omp_region.
12530 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
12531 (remove_exit_barriers): New.
12532 (expand_omp_parallel): Update for struct omp_region changes.
12533 (expand_omp_synch): Likewise.
12534 (expand_omp): Likewise.
12535 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
12536 (expand_omp_for_static_chunk): Likewise.
12537 (expand_omp_for): Likewise.
12538 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
12539 (expand_omp_sections): Similarly, with GOMP_sections_end.
12540 (expand_omp_single): New.
12541 (build_omp_regions_1): Update for OMP_CONTINUE.
12542 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
12543 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
12544 OMP_SECTIONS_SECTIONS.
12545 (lower_omp_single_simple): Don't emit barrier here.
12546 (lower_omp_single_copy): Likewise.
12547 (lower_omp_single): Fix bindings, and lower to straightline now.
12548 (lower_omp_master, lower_omp_ordered): Likewise.
12549 (lower_omp_critical): Likewise.
12550 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
12551 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
12552 omp edges, free it afterward.
12553 (make_omp_sections_edges): Remove.
12554 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
12555 (move_stmt_r): Handle OMP_CONTINUE.
12556 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
12557 statement pointers to basic blocks. Add type member.
12558 (root_omp_region, new_omp_region, free_omp_regions): Declare.
12559 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
12560 * tree-inline.c (estimate_num_insns_1): Likewise.
12561 * tree-pretty-print.c (dump_generic_node): Likewise.
12562 * tree-ssa-operands.c (get_expr_operands): Likewise.
12563 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
12564 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
12565 (OMP_CONTINUE): New.
12566 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
12567 (OMP_SECTIONS_SECTIONS): Remove.
12568 (OMP_SECTION_LAST): New.
12569 (OMP_RETURN_NOWAIT): New.
12571 2006-04-13 Roger Sayle <roger@eyesopen.com>
12573 * fold-const.c (native_encode_vector, native_interpret_real):
12574 Correct obvious mistakes in the previous check-in.
12576 2006-04-13 Roger Sayle <roger@eyesopen.com>
12578 * fold-const.c (native_encode_expr): New function to encode
12579 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
12580 or VECTOR_CST into a specified buffer.
12581 (native_encode_int): New function.
12582 (native_encode_real): New function.
12583 (native_encode_complex): New function.
12584 (native_encode_vector): New function.
12585 (native_interpret_expr): Inverse of native_encode_expr to convert
12586 a target representation into an INTEGER_CST, REAL_CST etc...
12587 (native_interpret_int): New function.
12588 (native_interpret_real): New function.
12589 (native_interpret_complex): New function.
12590 (native_interpret_vector): New function.
12591 (fold_view_convert_expr): New function to constant fold/evaluate
12592 a VIEW_CONVERT_EXPR of a suitable constant expression.
12593 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
12594 Change call of build1 to fold_build1 when constructing a
12597 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
12598 Ulrich Weigand <uweigand@de.ibm.com>
12601 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12604 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12607 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12608 optimize to lo_sum for DFmode if !TARGET_FPRS.
12610 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12612 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12613 delete_alias_info, compute_flow_sensitive_aliasing,
12614 group_aliases): Use VEC instead of VARRAY.
12615 * tree-ssa-structalias.c (update_alias_info): Likewise.
12616 * tree-ssa-structalias.h (alias_info): Change the type of
12617 processed_ptrs to VEC(tree,heap) *.
12619 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12622 * config/sh/lib1funcs.h: New file, broken out of:
12623 * config/sh/lib1funcs.asm.
12624 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12626 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12627 * config/sh/lib1funcs-Os-4-200.asm: New file.
12628 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12629 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12630 (EXTRA_MULTILIB_PARTS): Include it.
12631 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12632 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12633 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12634 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12637 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12639 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12640 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12641 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12643 * tree-ssa-live.h: Include vecprim.h.
12644 (tree_partition_associator_d): Change the type of
12645 first_partition to VEC(int,heap) *.
12646 (tpa_first_partition): Use VEC instead of VARRAY.
12648 * Makefile.in (GTFILES): Move functions.h after tree.h.
12649 * function.c (reset_block_changes, record_block_change,
12650 check_block_change, free_block_changes): Use VEC instead of
12652 * function.h (function): Change the type of
12653 ib_boundaries_block to VEC(tree,gc) *.
12654 * tree-inline.c (copy_cfg_body): Initialize
12655 ib_boundaries_block to NULL instead of (varray_type) 0.
12657 2006-04-12 Roger Sayle <roger@eyesopen.com>
12659 * expr.c (emit_group_store): Correct operand order in call to
12660 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12661 a SUBREG_BYTE of zero.
12663 2006-04-12 Richard Guenther <rguenther@suse.de>
12665 * profile.c (compute_branch_probabilities): Remove code
12666 encapsulated in !ir_type (), which are remanents of the
12667 removed RTL profiling code.
12668 * rtl-profile.c: Remove.
12670 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12672 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12673 magic NULL_RTX comment.
12674 (function_arg): Store entire fp arg to mem if any part should go
12676 (rs6000_arg_partial_bytes): Adjust for above change.
12678 2006-04-11 Roger Sayle <roger@eyesopen.com>
12680 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12681 if it hasn't been initialized by dwarf2out_init.
12683 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12685 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12686 symbolic constants in branch patterns.
12688 2006-04-11 Roger Sayle <roger@eyesopen.com>
12690 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12692 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12694 PR rtl-optimization/27073
12695 * gcse.c (try_replace_reg): Revert last change. Continue to search
12696 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12699 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12701 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12702 aggregate types other than record and union types.
12703 (function_arg): Likewise.
12704 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12706 (function_value): In 64-bit mode, return objects that require it
12709 2006-04-11 Roger Sayle <roger@eyesopen.com>
12711 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12713 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12715 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12717 2006-04-03 Jeff Law <law@redhat.com>
12720 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12721 alias information too.
12723 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12725 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12727 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12730 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12731 (premark_used_types_helper): New.
12732 (premark_used_types): New.
12733 (gen_subprogram_die): Call premark_used_types.
12734 (prune_unused_types_walk): Do not prune perennial dies.
12735 * function.c (used_types_insert): New.
12736 * function.h (struct function): Add used_types_hash field.
12737 (used_types_insert): Add prototype.
12738 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12739 * c-parser.c (c_parser_cast_expression): Save casted types in used
12742 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12745 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12746 rs6000_explicit_options.float_gprs.
12748 2006-04-10 Roger Sayle <roger@eyesopen.com>
12750 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12751 from ix86_expand_vector_init_low_nonzero. Take an additional
12752 one_var argument indicating which element is non-zero. Support
12753 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12754 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12755 with one_var instead of ix86_expand_vector_init_low_nonzero.
12757 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12759 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12760 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12761 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12762 build/genextract.o): Depend on vecprim.h.
12763 * cfglayout.c, df-problems.c, function.c, genextract.c,
12764 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12765 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12769 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12771 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12772 Declare VECs of this type.
12773 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12774 (remove_children): Delete.
12775 (add_dwarf_attr): Use VEC routines.
12776 (add_AT_flag): Update for changes to add_dwarf_attr.
12777 (add_AT_int): Likewise.
12778 (add_AT_unsigned): Likewise.
12779 (add_AT_long_long): Likewise.
12780 (add_AT_vec): Likewise.
12781 (add_AT_string): Likewise.
12782 (add_AT_die_ref): Likewise.
12783 (add_AT_fde_ref): Likewise.
12784 (add_AT_loc): Likewise.
12785 (add_AT_loc_list): Likewise.
12786 (add_AT_addr): Likewise.
12787 (add_AT_lbl_id): Likewise.
12788 (add_AT_lineptr): Likewise.
12789 (add_AT_macptr): Likewise.
12790 (add_AT_offset): Likewise.
12791 (add_AT_range_list): Likewise.
12792 (get_AT): Use VEC_iterate.
12793 (remove_AT): Use VEC_ordered_remove.
12794 (free_die): Fold remove_children into here; have it use VEC_iterate.
12795 (print_die): Use VEC_iterate on attrs.
12796 (reverse_die_lists): Don't reverse attr lists.
12797 (die_checksum): Use VEC_iterate on attrs.
12798 (same_die_p): Likewise.
12799 (output_location_lists): Likewise.
12800 (build_abbrev_table): Likewise.
12801 (size_of_die): Likewise.
12802 (unmark_all_dies): Likewise.
12803 (output_abbrev_section): Likewise.
12804 (output_die): Likewise.
12805 (prune_unused_types_walk_attribs): Likewise.
12807 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12809 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12811 2006-04-10 Jakub Jelinek <jakub@redhat.com>
12814 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
12816 2006-04-09 Roger Sayle <roger@eyesopen.com>
12818 * expr.c (store_constructor): Don't bother clearing target if
12819 we're about to assign a vector to it using vec_init_optab.
12821 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
12823 * tree-ssa-alias.c (lhs_may_store_to): New function.
12824 (recalculate_used_alone): Handle LHS of calls.
12826 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12830 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
12831 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
12832 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
12833 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
12834 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
12835 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
12836 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
12837 stubs. Add ".align 8" directives before all ".dword" directives.
12838 (GTHREAD_USE_WEAK): Revise comment.
12839 (TARGET_ATTRIBUTE_WEAK): Define.
12840 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
12841 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
12842 * stublib.c: New file.
12847 * pa.md (cbranch patterns): Revise arguments used in calls to
12848 output_cbranch, output_bb and output_bvd. Add long branch length
12850 (fbranch patterns): Handle long branches.
12851 (jump): Revise length check. Revise arguments for output_lbranch call.
12852 Add long branch length attributes.
12853 (decrement_and_branch_until_zero): Add long branch length attributes.
12854 (output_movb, output_parallel_addb and output_parallel_movb patterns):
12855 Likewise. Revise arguments for output_parallel_addb and
12856 output_parallel_movb calls.
12857 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
12858 output_parallel_movb and output_parallel_addb): Update prototypes.
12859 * pa.c (output_cbranch): Revise arguments. Correct handling of
12860 nullification in long branches.
12861 (output_lbranch): Add new argument to control extraction of delay
12863 (output_bb): Handle long branches.
12864 (output_bvb, output_dbra, output_movb, output_parallel_movb,
12865 output_parallel_addb): Likewise.
12867 2006-04-09 Richard Sandiford <richard@codesourcery.com>
12869 PR rtl-optimization/27073
12870 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
12873 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
12875 * tree.h (tree_memory_tag): Add old_used_alone.
12876 (SMT_OLD_USED_ALONE): New macro.
12877 * tree-ssa-alias.c (recalculate_used_alone): Stop
12878 marking things for renaming unnecessarily.
12880 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
12882 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
12883 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
12884 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
12885 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
12886 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
12887 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
12888 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
12889 spelling convensions.
12890 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
12891 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
12892 typos. Follow spelling conventions.
12894 2006-04-07 DJ Delorie <dj@redhat.com>
12896 * config/m32c/m32c.c (m32c_function_arg): Structures are always
12897 passed on the stack.
12898 (m32c_init_cumulative_args): When a function returns a structure,
12899 always pass the pointer to that return area on the stack.
12900 (m32c_function_arg_advance): Don't increment the parameter number
12901 if we're processing the returned structure pointer.
12902 (pushm_info): Reverse order of registers.
12904 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
12906 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
12907 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12908 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
12909 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
12910 build_int_cst_type.
12911 * tree-chrec.c (chrec_fold_multiply_poly_poly,
12912 chrec_fold_multiply): Same.
12913 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
12914 force_expr_to_var_cost): Same.
12915 * tree-mudflap.c (mf_xform_derefs_1): Same.
12916 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
12918 2006-04-07 David Edelsohn <edelsohn@gnu.org>
12920 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
12921 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
12924 2006-04-07 Jan Hubicka <jh@suse.cz>
12926 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
12928 2006-04-07 Richard Guenther <rguenther@suse.de>
12930 PR tree-optimization/26135
12931 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
12932 loads for store copy-prop.
12933 (copy_prop_visit_stmt): Likewise.
12935 2006-04-05 Robert Millan <robertmh@gnu.org>
12937 * config/i386/linux.h: Add a comment to mark macros that are
12938 being overriden in config/k*bsd-gnu.h.
12939 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
12941 * config/knetbsd-gnu.h: Ditto.
12943 2006-04-06 Jan Hubicka <jh@suse.cz>
12947 * coverage.c (coverage_checksum_string): Reorganize loop to not read
12950 2006-04-06 Mike Stump <mrs@apple.com>
12952 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
12953 for HAVE_nonlocal_goto to be consistent.
12954 (expand_builtin_nonlocal_goto): Likewise.
12955 (expand_builtin_strcmp): Use #ifdef instead of #if
12956 for HAVE_cmpstrnsi to be consistent.
12958 2006-04-05 DJ Delorie <dj@redhat.com>
12960 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
12963 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
12965 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
12966 got-relative addressing for anything but SImode.
12968 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
12969 even if the calling function doesn't modify them.
12971 2006-04-05 Richard Guenther <rguenther@suse.de>
12973 PR tree-optimization/26919
12974 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
12975 to cgraph_estimate_size_after_inlining.
12977 2006-04-05 Alan Modra <amodra@bigpond.net.au>
12979 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
12981 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
12983 PR tree-optimization/26996
12984 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
12985 VECTOR_TYPE variables.
12987 2006-04-05 Richard Guenther <rguenther@suse.de>
12989 PR tree-optimization/26763
12990 * fold-const.c (fold_comparison): Move folding of
12991 PTR + CST CMP PTR + CST ...
12992 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
12994 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
12996 * doc/install.texi (Prerequisites): Refine some wording on
12997 bootstrapping and ksh.
12998 Move the version numbers of DejaGnu here from the testing section
12999 and fix casing of names.
13000 Fix markup and clarify wording for autogen requirements.
13001 Refer to GCJ instead of just java.
13002 Refer to SVN instead of CVS.
13003 Describe diffutils as useful instead of necessary.
13004 (Downloading the source): Refer to SVN instead of CVS.
13005 Adjust a link to our web site accordingly.
13006 (Configuration): Fix casing of Bison.
13007 (Building): Refer to SVN instead of CVS.
13008 Fix a sentence on the use of Bison and remove duplicate (and
13009 incorrect) version number of Bison requirement.
13010 Remove one redundant list of packages needed for building.
13011 (Specific): Avoid reference to CVS.
13013 2006-04-04 Eric Christopher <echristo@apple.com>
13015 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
13016 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
13017 (rs6000_handle_struct_attribute): New.
13018 (rs6000_ms_bitfield_layout_p): Ditto.
13020 2006-04-04 Geoffrey Keating <geoffk@apple.com>
13022 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
13023 NULL for dso parameter to atexit_common.
13025 2006-04-04 Eric Christopher <echristo@apple.com>
13027 * config/i386/i386.c (machopic_output_stub): Output \t
13028 between instructions and operands.
13030 2006-04-04 David Edelsohn <edelsohn@gnu.org>
13032 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
13033 satisfies_constraint_[IL] to explicit tests on value.
13035 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
13037 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13038 set_nb_iterations_in_loop): Use build_int_cst instead of
13039 build_int_cst_type.
13040 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
13041 build_int_cst instead of convert.
13043 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
13045 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
13046 new value 2 for incoming.
13047 * function.c (expand_function_start): Call struct_value_rtx
13048 with incoming as 2.
13049 * config/sparc/sparc.md: Comment updated_return.
13050 * config/sparc/sparc.opt: Add -mstd-struct-return option.
13051 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
13052 struct return if sparc_std_struct_return and incoming is 2.
13053 (print_operand): Do not adjust return if
13054 sparc_std_struct_return.
13056 2006-04-04 Roger Sayle <roger@eyesopen.com>
13058 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
13059 convert in the middle-end.
13060 * expr.c (store_expr, store_constructor, get_inner_reference,
13061 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
13063 * tree.c (build_range_type): Likewise.
13065 2006-04-04 Tom Tromey <tromey@redhat.com>
13067 * doc/install.texi (Prerequisites): Mention jar.
13069 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
13071 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
13074 2006-04-04 Matthias Klose <doko@debian.org>
13076 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
13080 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
13083 2006-04-03 Geoffrey Keating <geoffk@apple.com>
13085 * doc/extend.texi (Function Attributes): Rewrite visibility
13086 attribute documentation.
13087 * doc/invoke.texi (C++ Dialect Options): Rewrite
13088 -fvisibility-inlines-hidden documentation to describe something
13089 entirely different, although in practise compatible.
13090 (Code Gen Options): Warn about system headers in -fvisibility=
13093 * doc/extend.texi (Other Builtins): Document that
13094 __builtin_nan is a compile-time constant only when its argument
13097 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
13099 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
13100 trying to remove TRUNCATE check if all bits outside the new mode
13101 are identical to the sign bit.
13103 2006-04-03 Jeff Law <law@redhat.com>
13105 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
13106 and operand scanning in some common cases.
13108 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13109 Dale Johannesen <dalej@apple.com>
13112 * regclass.c (struct reg_pref): Update documentation.
13113 (regclass): Set prefclass to NO_REGS if memory is the best option.
13114 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13115 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
13116 into account. For non-registers, equate an empty preferred
13117 reload class to a `!' in the constraint; move the if clause to
13118 do so after those that reject the insn.
13119 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
13121 (find_dummy_reload): Likewise.
13122 * doc/tm.texi (Register Classes): Document what it means
13123 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
13124 * config/i386/i386.c (ix86_preferred_reload_class): Force
13125 using SSE registers (and return NO_REGS for floating-point
13126 constants) if math is done with SSE.
13127 (ix86_preferred_output_reload_class): New.
13128 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
13129 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
13130 * config/i386/i386.md: Remove # register preferences.
13132 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13135 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13136 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
13137 the type of nb_iter.
13138 (instantiate_parameters_1): Convert the operands before calling
13139 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
13140 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
13142 2006-04-02 Roger Sayle <roger@eyesopen.com>
13144 * builtins.c (dummy_object): Use build_int_cst instead of convert.
13145 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
13146 instead of convert.
13147 * dojump.c (do_jump): Likewise.
13148 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
13149 * gimplify.c (gimple_boolify, gimplify_init_constructor,
13150 gimplify_boolean_expr): Likewise.
13151 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
13152 * varasm.c (array_size_for_constructor): Likewise.
13153 * tree-object-size.c (compute_object_offset): Likewise.
13155 2006-04-02 Roger Sayle <roger@eyesopen.com>
13157 PR middle-end/26977
13158 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
13159 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
13161 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13163 PR tree-optimization/26939
13164 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
13166 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13168 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
13169 at_stmt. Convert the type of operands before calling
13170 build_polynomial_chrec.
13171 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
13172 add_to_evolution_1.
13173 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
13174 (instantiate_parameters_1): Convert the type of operands before calling
13175 build_polynomial_chrec.
13176 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
13177 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
13178 reset_evolution_in_loop): Insert asserts to check the types of the
13180 (chrec_type): Moved...
13181 (eq_evolutions_p): Use operand_equal_p.
13182 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
13183 the types of the operands.
13184 (chrec_type): ...here.
13185 * tree-data-ref.c (create_data_ref): Convert the operands before
13186 calling chrec_replace_initial_condition.
13187 (same_access_functions, analyze_subscript_affine_affine,
13188 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
13189 (compute_subscript_distance, analyze_ziv_subscript,
13190 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
13191 analyze_miv_subscript): Convert the operands before calling
13192 chrec_fold_minus or chrec_fold_plus.
13194 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13196 * tree-data-ref.c (compute_all_dependences): Use a pointer to
13197 the dependence_relations vector.
13198 (compute_data_dependences_for_loop): Adjust call to
13199 compute_all_dependences.
13201 2006-04-01 Roger Sayle <roger@eyesopen.com>
13202 Richard Henderson <rth@redhat.com>
13204 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
13205 gimple_boolify on the condition before calling gimplify_expr.
13207 2006-03-31 Bob Wilson <bob.wilson@acm.org>
13209 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
13210 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
13211 the frame size. Update to use the new macros.
13212 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
13213 * config/xtensa/ieee754-df.S: Likewise.
13215 2006-03-31 Richard Henderson <rth@redhat.com>
13217 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
13218 (make_edges): ... here. Control fallthru creation with a local
13219 variable. Do not play with fake edges.
13220 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
13221 (make_goto_expr_edges): Don't play with fake edges. Make for_call
13224 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
13226 * dwarf2.h (DW64_CIE_ID): Define.
13227 * dwarf2out.c (DWARF_CIE_ID): Define.
13228 (output_call_frame_info): Output 0xffffffff before standard 8-byte
13229 length header. Use DWARF_CIE_ID.
13230 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
13231 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
13233 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
13235 * config/sh/linux-atomic.asm: New file.
13236 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
13238 2006-03-31 DJ Delorie <dj@redhat.com>
13240 * config/m32c/cond.md: Set condition flags properly throughout.
13241 * config/m32c/minmax.md: Likewise.
13242 * config/m32c/prologue.md: Likewise.
13243 * config/m32c/bitops.md: Likewise.
13244 * config/m32c/muldiv.md: Likewise.
13245 * config/m32c/mov.md: Likewise.
13246 * config/m32c/addsub.md: Likewise.
13247 * config/m32c/m32c.md: Likewise.
13248 * config/m32c/jump.md: Likewise.
13249 * config/m32c/shift.md: Likewise.
13251 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
13252 conditionally output the pattern for this.
13253 * config/m32c/m32c.c (flags_needed_for_conditional): New.
13254 (m32c_compare_redundant): New.
13255 (m32c_output_compare): New.
13256 * config/m32c/m32c-protos.h (m32c_output_compare): New.
13258 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
13259 dest, not src. Allow other 4-byte modes.
13261 2006-03-30 Denis Chertykov <denisc@overta.ru>
13263 * doc/md.texi: Refer to avr/constraints.md instead of
13266 2006-03-30 Roger Sayle <roger@eyesopen.com>
13268 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
13269 signed vs. unsigned comparison failures on some hosts.
13271 2006-03-31 Alan Modra <amodra@bigpond.net.au>
13274 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
13275 change to FLOAT_REGS.
13277 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
13278 (rs6000_override_options): Use it.
13279 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
13280 only for -mabi=spe/no-spe and -mabi=altivec.
13282 2006-03-30 Geoffrey Keating <geoffk@apple.com>
13284 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
13287 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
13289 * Makefile.in: Rename docdir to gcc_docdir.
13291 2006-03-30 Roger Sayle <roger@eyesopen.com>
13294 * expr.c (emit_group_store): Optimize group stores into a pseudo
13295 register by using a paradoxical subreg to initialize the destination
13296 if the first or last member of the group specifies a "low part".
13298 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13301 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
13302 * target.h (struct gcc_target.speculate_insn): Change type of the
13303 second parameter to 'int'.
13304 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
13305 the second operand of the DEPS_LIST.
13306 (copy_DEPS_LIST_list): Update reference to the second operand of the
13308 * rtl.h (alloc_DEPS_LIST): Update signature.
13309 * sched-int.h (ds_t): Change typedef to 'int'.
13310 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13312 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13314 * haifa-sched.c (try_ready): Change condition to restore
13315 non-speculative pattern of the instruction.
13316 (process_insn_depend_be_in_spec): Code to keep probability of the
13317 speculative dependence non-decreasing.
13319 2006-03-30 Jie Zhang <jie.zhang@analog.com>
13321 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
13322 (single_move_for_movmem): ... this. Also change all uses.
13323 (bfin_expand_strmov): Renamed to...
13324 (bfin_expand_movmem): ... this. Also change all uses.
13325 * config/bfin/bfin.md (movstrsi): Renamed to...
13326 (movstrsi): ...this.
13328 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
13330 PR tree-optimization/26830
13332 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
13333 (copy_prop_visit_stmt): Remove write-only variable ann.
13334 (init_copy_prop): Check variable loop depth here. Do not simulate
13335 memory-tag and virtual operand PHIs except for store copy prop.
13337 2006-03-30 Richard Guenther <rguenther@suse.de>
13339 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
13340 variants with double arguments.
13342 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13344 * genpreds.c (write_tm_constrs_h): Delete variable p.
13345 * genconditions.c (write_header): Add tm-constrs.h to included
13347 * genpeep.c (main): Add toplev.h to included headers.
13348 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
13349 (build/genpeep.o): Add toplev.h dependency.
13350 * config/rs6000/constraints.md: Add "W" constraint.
13352 2006-03-29 Roger Sayle <roger@eyesopen.com>
13354 * stor-layout.c (mode_for_size_tree): Remove restiction on type
13355 sizes by correctly testing whether the size fits a host integer.
13356 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
13357 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
13358 SImode range for the default sizetype and bitsizetype.
13360 2006-03-29 Roger Sayle <roger@eyesopen.com>
13362 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
13363 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
13364 quickly if the argument is already of the correct type.
13365 Call fold_build1 instead of build1. Tidy up blank lines.
13367 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13369 * genemit.c (main): Add tm-constrs.h to included headers.
13370 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
13371 * genpeep.c (main): Add tm-constrs.h to included headers.
13372 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
13373 (write_tm_constrs_h): this and write complete file.
13374 (write_tm_preds_h): Do not emit satisfies_constraint fns.
13375 (write_insn_preds_c): Add tm-constrs.h to included headers.
13376 (gen_constrs): New variable.
13377 (parse_option): Parse "-c".
13378 (main): Invoke write_tm_constrs_h.
13379 * genrecog.c (write_header): Add tm-constrs.h to included headers.
13380 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
13381 (object_out_file): Add tm-constrs.h dependency.
13382 (insn-emit.o): Same.
13383 (insn-output.o): Same.
13384 (insn-peep.o): Same.
13385 (insn-preds.o): Same.
13386 (insn-recog.o): Same.
13387 (tm-constsr.h): New target.
13388 (s-constrs-h): New target.
13390 * config/rs6000/constraints.md: New file.
13391 * config/rs6000/rs6000.c: Include tm-constrs.h.
13392 (num_insn_constant_wide): Convert to satisfies_constraint.
13393 (rs6000_rtx_costs): Convert to satisfies_constraint.
13394 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
13395 (CONST_OK_FOR_LETTER_P): Delete.
13396 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13397 (EXTRA_CONSTRAINT): Delete.
13398 (EXTRA_MEMORY_CONSTRAINT): Delete.
13399 (EXTRA_ADDRESS_CONSTRAINT): Delete.
13400 * config/rs6000/predicates.md: Convert to satisfies_constraint.
13401 * config/rs6000/rs6000.md: Include constraints.md. Convert to
13402 satisfies_constraint.
13404 * config/i386/i386.c: Include tm-constrs.h.
13406 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13408 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
13409 * tree-data-ref.c (find_data_references_in_loop,
13410 compute_data_dependences_for_loop): Use pointers to VEC.
13411 (analyze_all_data_dependences): Adjust calls.
13412 * tree-data-ref.h (find_data_references_in_loop,
13413 compute_data_dependences_for_loop): Adjust declarations.
13414 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
13415 compute_data_dependences_for_loop.
13417 2006-03-29 Paul Brook <paul@codesourcery.com>
13419 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
13420 (movdf_vfp): Ditto.
13422 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13424 PR tree-optimization/26859
13425 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
13427 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
13428 for the step after fold_convert.
13430 2006-03-29 Paul Brook <paul@codesourcery.com>
13432 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
13433 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
13435 2006-03-29 Paul Brook <paul@codesourcery.com>
13437 PR middle-end/23623
13438 * targhooks.c (default_narrow_bitfield): New fuction.
13439 * targhooks.h (default_narrow_bitfield): add prototype.
13440 * target.h (gcc_target): Add narrow_volatile_bitfield.
13441 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13442 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
13443 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
13444 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13446 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
13448 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
13450 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
13451 (NR_C_MODES): Add TDmode, DDmode and SDmode.
13452 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
13453 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
13454 (s390_function_arg_float): Allow SDmode and DDmode values to be
13455 passed in floating point registers.
13456 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
13457 check with SCALAR_FLOAT_MODE_P.
13458 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
13460 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13462 PR tree-optimization/25985
13463 * tree-ssa-loop-niter.c (number_of_iterations_le,
13464 number_of_iterations_ne): Make comments more precise.
13465 (number_of_iterations_cond): Add only_exit argument. Use the
13466 fact that signed variables do not overflow only when only_exit
13468 (loop_only_exit_p): New.
13469 (number_of_iterations_exit): Pass result of loop_only_exit_p to
13470 number_of_iterations_cond.
13472 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13474 PR tree-optimization/26643
13475 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
13478 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
13480 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
13481 (divsi3_i4_int): Likewise.
13483 2006-03-28 Roger Sayle <roger@eyesopen.com>
13485 * expr.c (emit_group_store): Only create a new pseudo reg if the
13486 quantity it needs to hold isn't already a suitable pseudo.
13488 2006-03-28 Jeff Law <law@redhat.com>
13490 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
13491 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
13493 2006-03-28 Roger Sayle <roger@eyesopen.com>
13495 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
13496 the equivalent ~X & Y, and the symmetry related transformations.
13497 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
13498 ~X & Y, and symmetry related transforms.
13500 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13502 Revert my 2006-03-27 patches.
13504 2006-03-28 Roger Sayle <roger@eyesopen.com>
13506 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
13507 ~(T1)X, when T1 and T2 are integer types of the same precision
13508 and (T2)X isn't an extension.
13510 2006-03-28 Jeff Law <law@redhat.com>
13512 PR tree-optimization/26796
13513 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
13514 need EH edge cleanups rather than purging them immediately.
13515 (eliminate_degenerate_phis): Handle queued EH cleanups.
13517 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
13519 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
13522 2006-03-27 Roger Sayle <roger@eyesopen.com>
13524 PR middle-end/22524
13525 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
13526 cast BIT_NOT_EXPR operand to the correct type.
13528 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
13530 * tree-loop-linear.c: Don't include varray.h.
13531 (gather_interchange_stats, try_interchange_loops,
13532 linear_transform_loops): Use VEC instead of VARRAY.
13533 * lambda-mat.c: Don't include varray.h.
13534 * tree-chrec.c: Same.
13535 * lambda-trans.c: Same.
13536 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
13537 VEC instead of VARRAY.
13538 * tree-vectorizer.h: Idem.
13539 * tree-data-ref.c (dump_data_references,
13540 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
13541 initialize_data_dependence_relation, finalize_ddr_dependent,
13542 compute_all_dependences, find_data_references_in_loop,
13543 compute_data_dependences_for_loop, analyze_all_data_dependences,
13544 free_dependence_relation, free_dependence_relations,
13545 free_data_refs): Idem.
13546 * tree-data-ref.h (data_reference_p, subscript_p): New.
13547 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
13548 VEC instead of VARRAY.
13549 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
13550 (find_data_references_in_loop, compute_data_dependences_for_loop,
13551 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
13552 dump_data_dependence_relations, free_dependence_relations,
13553 free_data_refs): Adjust declaration.
13554 (lambda_transform_legal_p): Move declaration here...
13555 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
13556 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
13557 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
13558 vect_analyze_data_refs): Use VEC instead of VARRAY.
13559 * lambda.h (lambda_transform_legal_p): ...from here.
13560 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
13561 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
13562 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
13563 tree-chrec.o): Don't depend on VARRAY_H.
13565 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13567 * rtl.def (Copyright): Update date.
13568 (DEPS_LIST): Change type of the second operand to 'int'.
13569 * target.h (Copyright): Update date.
13570 (struct gcc_target.speculate_insn): Change type of the second parameter
13572 * lists.c (Copyright): Update date.
13573 (alloc_DEPS_LIST): Change signature. Update reference to the second
13574 operand of the DEPS_LIST.
13575 (copy_DEPS_LIST_list): Update reference to the second operand of the
13577 * rtl.h (Copyright): Update date.
13578 (alloc_DEPS_LIST): Update signature.
13579 * sched-int.h (Copyright): Update date.
13580 (ds_t): Change typedef to 'int'.
13581 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13583 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13585 * haifa-sched.c (Copyright): Update date.
13586 (try_ready): Change condition to restore non-speculative pattern
13587 of the instruction.
13588 (process_insn_depend_be_in_spec): Code to keep probability of the
13589 speculative dependence non-decreasing.
13591 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
13593 * regrename.c (replace_oldest_value_addr): Initialize a variable to
13594 shut up the compiler.
13596 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
13598 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
13599 to use lib prefix for target.
13600 ($(T)libic_invalidate_array_4-200.a): Likewise.
13601 ($(T)libic_invalidate_array_4a.a): Likewise.
13603 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13604 J"orn Rennecke <joern.rennecke@st.com>
13606 * superh.opt: New file.
13607 * sh.c (boardtype, osruntime): Remove.
13608 * superh.h (SUBTARGET_OPTIONS): Remove.
13609 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13611 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13612 arguments with ^ and/or [].
13614 * config.gcc (sh-*-*): Add quoting to account for quirk of
13616 Replace == with = in enable_incomplete_targets test.
13618 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13619 with MASK_LITTLE_ENDIAN.
13621 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13622 * config/sh/sh.opt: Added to some comments.
13623 * config/sh/superh.h: Removed some chaff.
13625 * config/sh/sh.opt: Add m4-[1234]00* options.
13626 * config/sh/sh.c (sh_handle_option): Likewise.
13627 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13628 (ic_invalidate_array_4-100.o): New rule.
13629 ($(T)libic_invalidate_array_4-100.a): Likewise.
13630 (ic_invalidate_array_4-200.o): Likewise.
13631 ($(T)libic_invalidate_array_4-200.a): Likewise.
13632 (ic_invalidate_array_4a.o): Likewise.
13633 ($(T)libic_invalidate_array_4a.a): Likewise.
13634 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13635 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13637 * config/sh/crt1.asm: Merged in profiling code.
13638 * config/sh/superh.h (STARTFILE_SPEC): Override.
13639 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13640 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13641 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13643 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13644 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13645 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13647 * sh.opt (mpretend-cmove): New option.
13648 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13649 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13650 (movsicc): Add TARGET_PRETEND_CMOVE code.
13652 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13654 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13655 s390_class_max_nregs): New function prototypes.
13656 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13657 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13658 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13659 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13661 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13663 * dwarf2out.c (add_location_or_const_value_attribute): Call
13664 tree_add_const_value_attribute if nothing else works.
13665 (reference_to_unused): New.
13666 (rtl_for_decl_init): Use reference_to_unused to decide whether
13667 to output an initializer.
13669 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13672 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13673 peephole removing spe frob_di_df_2.
13675 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13677 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13678 (subscript_dependence_tester_1): Declared.
13679 (print_dir_vectors, print_dist_vectors): New.
13680 (debug_data_dependence_relation): New.
13681 (dump_data_dependence_relation): Print more details.
13682 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13683 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13684 (save_dist_v, save_dir_v, add_outer_distances,
13685 build_classic_dist_vector_1): New.
13686 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13687 Don't test for lambda_vector_lexico_pos.
13688 (same_access_functions, add_multivariate_self_dist,
13689 add_other_self_distances, dir_from_dist): New.
13690 (build_classic_dir_vector): Replace implementation almost identical to
13691 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13693 (subscript_dependence_tester_1): New.
13694 (subscript_dependence_tester): Handle the lexicographically negative
13695 distance vectors by recomputing the dependence relation.
13696 (compute_affine_dependence): Remove parameter loop_nest_depth.
13697 (compute_self_dependence): Don't call compute_subscript_distance.
13698 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13699 Add a parameter for the loop_nest.
13700 (find_loop_nest_1, find_loop_nest): New.
13701 (compute_data_dependences_for_loop): Compute the loop nest, and give
13702 up if the nest is not well formed.
13703 * tree-data-ref.h (loop_p): New.
13704 (struct data_dependence_relation): Replace size_vect field with
13705 loop_nest, a vec of loops.
13706 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13707 (DDR_LOOP_NEST): New.
13708 (print_dir_vectors, print_dist_vectors,
13709 debug_data_dependence_relation): Declared.
13710 (index_in_loop_nest): New.
13711 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13712 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13715 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13717 * simplify-rtx.c (simplify_relational_operation): Call
13718 simplify_relational_operation_1 even if mode is VOIDmode.
13720 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13722 PR tree-optimization/26804
13723 * tree.h (DECL_CALL_CLOBBERED): New macro.
13724 (tree_decl_common): Add call_clobbered_flag.
13725 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13726 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13727 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13728 (mark_non_addressable): Ditto.
13729 * tree-ssa.c (verify_call_clobbered): New function.
13730 (verify_alias_info): Use it.
13731 * tree-pass.h (pass_reset_cc_flags): New prototype.
13732 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13733 (reset_cc_flags): New function.
13734 * passes.c (init_optimization_passes): Call reset_cc_flags after
13735 initializing referenced_vars.
13737 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13738 Roger Sayle <roger@eyesopen.com>
13740 PR middle-end/26717
13741 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13742 to 1.0 for non-real operands. Implement A / A optimization for
13745 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13747 * config/i386/i386.c (size_cost): Correct the comment for
13748 cost of storing fp registers.
13749 (i386_cost): Likewise.
13750 (i486_cost): Likewise.
13751 (pentium_cost): Likewise.
13752 (pentiumpro_cost): Likewise.
13753 (k6_cost): Likewise.
13754 (athlon_cost): Likewise.
13755 (k8_cost): Likewise.
13756 (pentium4_cost): Likewise.
13757 (nocona_cost): Likewise.
13758 (generic64_cost): Likewise.
13759 (generic32_cost): Likewise.
13761 2006-03-24 Denis Chertykov <denisc@overta.ru>
13763 * config/avr/avr-protos.h (extra_constraint): Delete.
13764 (extra_constraint_Q): New declaration.
13765 * config/avr/constraints.md: New file.
13766 * config/avr/avr.md: Include it.
13767 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13768 (TMP_REGNO, ZERO_REGNO): Likewise.
13769 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13770 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13771 (extra_constraint): Delete.
13772 (extra_constraint_Q): Test for memory constraint 'Q'.
13773 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13774 (REG_CLASS_FROM_LETTER): Delete.
13775 (CONST_OK_FOR_LETTER_P): Delete.
13776 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13777 (EXTRA_CONSTRAINT): Delete.
13778 (TMP_REGNO): Delete.
13779 (ZERO_REGNO): Delete.
13781 2006-03-24 Jeff Law <law@redhat.com>
13783 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13784 directly. Call mark_new_vars_to_rename slightly earlier.
13786 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13788 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13789 (is_cxx): Likewise.
13790 (gen_compile_unit_die): Use new language types for Objective-C and
13792 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13793 DW_LANG_C_plus_plus.
13796 * config/t-darwin (crt3.o): Work around bug 26840.
13797 * config/darwin-crt3.c: Rewrite.
13798 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13800 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13802 * doc/invoke.texi: Document -femit-class-debug-always
13803 * common.opt: Add -femit-class-debug-always.
13805 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13807 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13808 index and base register.
13809 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13810 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13811 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
13812 REGNO_OK_FOR_INDEX_P.
13813 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
13815 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
13816 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
13817 REG_OK_FOR_BASE_P): Definitions removed.
13819 2006-03-24 Jakub Jelinek <jakub@redhat.com>
13821 PR middle-end/26611
13822 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
13823 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
13824 set yet or weren't marked as local yet.
13826 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
13828 * regrename.c (scan_rtx_address): Initialize a variable to shut up
13831 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
13833 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
13834 (rs6000_legitimate_small_data_p): Delete.
13835 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
13836 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
13837 and make static. Add forward declaration. Update uses.
13838 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
13839 of offsettable_memref_p.
13840 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
13841 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
13843 2006-03-24 Jeff Law <law@redhat.com>
13845 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
13846 around bug in immediate-use iterator.
13848 2006-03-24 Alan Modra <amodra@bigpond.net.au>
13851 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
13852 or __LITTLE_ENDIAN__.
13854 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
13856 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
13857 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
13858 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
13859 * config/sh/sh.opt (mdiv=): Amend description.
13860 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
13861 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
13862 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
13863 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
13864 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
13865 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
13866 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
13867 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
13868 TARGET_DIVIDE_CALL_FP.
13870 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13872 * haifa-sched.c (choose_ready): Fix type of the local variable.
13873 Move local variables. Add comment.
13874 (check_reg_live): Change signature. Make callable from debugger.
13875 * sched-int.h (check_reg_live): Update signature.
13876 * sched-ebb.c (check_reg_live): Update parameters.
13877 * sched-rgn.c (check_reg_live): Ditto.
13878 (region_head_or_leaf_p): Check pointer before dereferencing.
13879 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
13880 before reload on optimization levels below 1.
13882 2006-03-23 Richard Henderson <rth@redhat.com>
13884 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
13888 * config/alpha/predicates.md (local_symbolic_operand): Reject
13891 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
13894 * tree-ssa-pre.c (create_value_expr_from): Don't reject
13895 expressions which have overflowed constants.
13897 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13899 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
13901 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13903 * cfgloopmanip.c (create_loop_notes): Removed.
13904 * final.c (final_scan_insn): Do not handle loop notes.
13905 * jump.c (squeeze_notes): Ditto.
13906 * cfglayout.c (skip_insns_after_block,
13907 duplicate_insn_chain): Ditto.
13908 * cfgcleanup.c (rest_of_handle_jump2): Do not call
13910 * cfgloop.h (create_loop_notes): Declaration removed.
13912 2006-03-23 Richard Sandiford <richard@codesourcery.com>
13914 * varasm.c (output_constant_pool): Restore fnname and fndecl
13916 (assemble_start_function): Adjust call accordingly.
13917 (assemble_end_function): Likewise.
13919 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13922 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
13925 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
13927 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13930 * system.h (ICE_EXIT_CODE): New macro.
13931 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
13932 (diagnostic_action_after_output): Likewise.
13933 * gcc.c (fatal_ice): New function.
13934 (execute): Use it instead of fatal.
13935 (fancy_abort): Likewise.
13936 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
13938 2006-03-22 Jeff Law <law@redhat.com>
13940 * loop-unroll.c (analyze_iv_to_split_insn): Handle
13941 iv_analyze_result returning false.
13943 2006-03-22 Jie Zhang <jie.zhang@analog.com>
13945 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
13947 2006-03-22 Richard Henderson <rth@redhat.com>
13949 PR middle-end/26084
13950 * except.c (duplicate_eh_regions_0): New.
13951 (duplicate_eh_region_1): Duplicate the children of the node as
13952 well as the node itself. Link them up properly.
13953 (duplicate_eh_region_2): Merge into ...
13954 (duplicate_eh_regions): ... here. Take copy_region argument, and
13955 copy only a sub-tree if asked. Simplify copying and fixup.
13956 (eh_region_outer_p): New.
13957 * except.h (duplicate_eh_regions): Update decl.
13958 (eh_region_outer_p): Declare.
13959 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
13960 (lower_omp_master): Likewise.
13961 (lower_omp_ordered): Likewise.
13962 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
13963 (move_stmt_r): Use it to remap labels. Handle recursion vs
13964 remap_decls_p properly.
13965 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
13966 (find_outermost_region_in_block): New.
13967 (new_label_mapper): New.
13968 (move_sese_region_to_fn): Copy eh information to the new function
13970 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
13972 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
13975 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13977 * doc/md.texi (-mshared): Mention that -mshared code can be linked
13978 into shared libraries.
13980 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13982 * doc/md.texi: Refer to i386/constraints.md instead of
13983 i386/predicates.md.
13984 * config/i386/constraints.md: New file, extracted from...
13985 * config/i386/predicates.md: ...here.
13986 * config/i386/i386.md: Include constraints.md.
13988 2006-03-21 Jason Merrill <jason@redhat.com>
13990 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
13992 PR middle-end/20297
13993 * expr.c (init_block_move_fn): Force default visibility.
13994 (init_block_clear_fn): Likewise.
13995 * builtins.c (expand_builtin_fork_or_exec): Likewise.
13996 * targhooks.c (default_external_stack_protect_fail): Likewise.
13998 2006-03-21 Richard Sandiford <richard@codesourcery.com>
14000 * config/mips/predicates.md (const_call_insn_operand): Allow direct
14001 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
14002 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
14003 Use TARGET_OLDABI instead of !TARGET_NEWABI.
14004 (loadgp): Use mips_current_loadgp_style.
14005 (loadgp_noshared): New pattern.
14006 (sibcall_internal): Use MIPS_CALL.
14007 (sibcall_value_internal): Likewise.
14008 (sibcall_value_multiple_internal): Likewise.
14009 (call_internal): Likewise.
14010 (call_value_internal): Likewise.
14011 (call_value_multiple_internal): Likewise.
14012 (call_split): Use MIPS_CALL and add an 'S' constraint.
14013 (call_value_split): Likewise.
14014 (call_value_multiple_split): Likewise.
14015 * config/mips/mips.opt (-mabicalls): Tweak docstring.
14016 (-mshared): New option.
14017 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
14018 (mips_current_loadgp_style): Declare.
14019 * config/mips/mips.c (mips_classify_symbol): Avoid using
14020 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
14021 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
14022 TARGET_ABSOLUTE_ABICALLS.
14023 (override_options): Adjust comments. Improve the warning that is
14024 issued when -mabicalls and -G are used together.
14025 (mips_file_start): Remove comment.
14026 (mips_current_loadgp_style): New function.
14027 (mips_gnu_local_gp): New variable.
14028 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
14030 (mips_output_function_prologue): Use mips_current_laodgp_style.
14031 (mips_expand_prologue): Call mips_emit_loadgp before emitting
14032 the cprestore instruction.
14033 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
14034 live for TARGET_ABSOLUTE_ABICALLS.
14035 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
14036 (ASM_SPEC): Pass down -mshared and -mno-shared.
14037 (MIPS_CALL): New macro.
14038 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
14040 * doc/invoke.texi (-mabicalls): Update documentation.
14041 (-mshared): Document.
14043 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14045 * config/ia64/unwind-hpux.c: New file.
14046 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
14048 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14051 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
14053 2006-03-21 Jeff Law <law@redhat.com>
14055 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
14056 type conversions of a VR_VARYING source to a wider type.
14058 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
14060 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
14061 tm_file on Solaris 10 and later.
14062 (sparc64-*-solaris2*): Likewise.
14063 (sparc-*-solaris2*): Likewise.
14064 * config/sol26.h: Rename to config/sol2-6.h.
14065 * config/sol2-10.h: New file.
14067 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
14070 * tree-ssa-pre.c (create_component_ref_by_pieces):
14073 2006-03-21 Jakub Jelinek <jakub@redhat.com>
14076 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
14077 return it immediately.
14079 2006-03-21 Michael Matz <matz@suse.de>
14081 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
14083 (remove_arc, add_arc): Update num_out_arcs member.
14084 (set_out_arc_insns_equiv_num): Returns nothing instead of number
14086 (cache_presence): New function.
14087 (compare_states_for_equiv): New function.
14088 (state_is_differed): Don't take number of outargs, adjust callers.
14089 Use new invariant for speeding up.
14090 (init_equiv_class): Create initial classes based on sorted
14092 (partition_equiv_class): Don't track out_arcs_num.
14093 (evaluate_equiv_classes): Call cache_presence on all states and
14096 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
14098 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
14099 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
14100 (bfin_valid_reg_p): Test for pseudos explicitly and use only
14101 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
14103 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
14104 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
14105 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
14106 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
14107 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
14109 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
14110 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
14111 (REGNO_REG_CLASS): ARGP is in PREGS.
14112 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
14114 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
14115 to deal with those addresses.
14116 * addresses.h: New file.
14117 * caller-save.c: Include "addresses.h".
14118 (init_caller_save): Use new base_reg_class function.
14119 * rtl-factoring.c: Include "addresses.h".
14120 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
14121 * recog.c: Include "addresses.h".
14122 (preprocess_constraints): Use new base_reg_class function.
14123 * regrename.c: Include "addresses.h".
14124 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
14125 functions. Keep track of a new var INDEX_CODE to compute valid
14127 (replace_oldest_value_addr): Likewise.
14128 (replace_oldest_value_mem): Use base_reg_class.
14129 * reload.c: Include "addresses.h".
14130 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
14131 (find_reloads): Use new base_reg_class function.
14132 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
14133 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
14134 all callers and prototype changed.
14135 * reload1.c: Include "addresses.h".
14136 (maybe_fix_stack_asms): Use base_reg_class.
14137 * regclass.c: Include "addresses.h".
14138 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
14139 (init_reg_autoinc): Use new base_reg_class function.
14140 (record_reg_classes): Likewise.
14141 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
14142 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
14143 Use new args to compute necessary class.
14145 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
14146 regrename.o, rtl-factoring.o): Update dependencies.
14147 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
14148 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
14149 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
14150 REG_OK_FOR_INDEX_P): Delete documentation.
14152 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
14154 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
14155 from V7 to V9 for Solaris 7 and above.
14157 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
14159 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
14160 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
14161 argument pointers may not alias any other storage.
14162 * common.opt: Define option -fargument-noalias-anything.
14163 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
14164 alias semantics is specified by flag_argument_noalias > 2.
14166 2006-03-20 Jeff Law <law@redhat.com>
14168 * tree-pass.h (pass_phi_only_copy_prop): Delete.
14169 (pass_phi_only_cprop): Declare.
14170 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
14171 with phi_only_cprop
14172 * tree-ssa-dom.c (degenerate_phi_result): New function.
14173 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
14174 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
14175 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
14176 (eliminate_degenerate_phis): Likewise.
14177 (pass_phi_only_cprop): New pass descriptor.
14178 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
14179 support code. Callers updated.
14180 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
14181 (store_copy_prop): Likewise.
14182 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
14184 2006-03-20 Jason Merrill <jason@redhat.com>
14187 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
14188 (push_visibility, pop_visibility): Likewise.
14189 * c-pragma.h: Declare them.
14191 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
14193 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
14195 * config/sh/sh.c (find_regmode_weight): Change the type of the first
14196 parameter and use get_ebb_head_tail.
14197 (sh_md_init_global): Adjust uses of find_regmode_weight.
14199 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
14201 * function.h (struct function) <x_tail_recursion_reentry>:
14202 Rename to x_stack_check_probe_note.
14203 (tail_recursion_reentry): Rename to stack_check_probe_note.
14204 * function.c: Replace tail_recursion_reentry with
14205 stack_check_probe_note everywhere.
14206 (expand_function_start): Only emit a note for
14207 stack_check_probe_note with -fstack-protect.
14208 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
14210 * emit-rtl.c (remove_unnecessary_notes): Remove.
14211 (pass_remove_unnecessary_notes): Remove.
14212 * rtl.h (remove_unnecessary_notes): Remove prototype.
14213 * final.c (final_start_function): Don't call remove_unnecessary_notes.
14214 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
14215 * passes.c (pass_remove_unnecessary_notes): Don't run it.
14217 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
14220 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
14221 (valid_in_set): Handle ARRAY_REF.
14222 Change "if min_variant or VH" to asserts.
14223 (create_component_ref_by_pieces): Handle ARRAY_REF.
14224 (create_expression_by_pieces): Likewise.
14225 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
14227 2006-03-20 David Edelsohn <edelsohn@gnu.org>
14229 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
14230 is operand of switch, not str[0].
14232 2006-03-20 Alan Modra <amodra@bigpond.net.au>
14234 * config/rs6000/rs6000.c (rs6000_handle_option): Use
14235 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
14237 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14239 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
14240 end of insn_extra_address_constraint declaration.
14242 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14244 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
14245 (no-sum-in-toc): Same.
14246 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
14248 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
14249 NO_FP_IN_TOC for -fPIC instead of mask.
14251 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
14252 (BOOT_LDFLAGS): Delete.
14254 * config/rs6000/t-aix52: Same.
14256 * config/rs6000/rs6000.md (store_multiple_power): Delete.
14257 (stmsi[345678]_power): New.
14259 2006-03-17 Steve Ellcey <sje@cup.hp.com>
14261 * config/ia64/ia64.opt: Add empty line to end of file.
14263 2006-03-17 Richard Guenther <rguenther@suse.de>
14265 PR middle-end/26721
14266 * builtins.c (get_pointer_alignment): For component style references
14267 adjust alignment to the component type alignment. Make sure
14268 to adjust alignment for component access of constants.
14270 2006-03-17 David Edelsohn <edelsohn@gnu.org>
14272 * config/rs6000/rs6000.md (strlensi): Emit barrier after
14273 unconditional jump.
14275 2006-03-17 Paul Brook <paul@codesourcery.com>
14277 * doc/install.texi: Docuemnt --with-mode.
14278 * config.gcc: Add --with-mode for arm*-*-*.
14279 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
14281 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
14283 * sh.c (max_labelno_before_reorg): New variable.
14284 (sh_reorg): Initialize it.
14285 (find_barrier): Check max_labelno_before_reorg before using
14286 label_to_alignment. Take length of explicit alignment insns
14287 into account. When seeing a UNSPECV_CONST_END, return it.
14289 * sh.c (fixup_mova): Set mode of affected label to QImode.
14290 (untangle_mova): New function.
14291 (find_barrier): Use it. Check mode of label before decrementing
14293 (sh_reorg): Likewise.
14294 Set mode of all insns back to VOIDmode.
14296 * sh.c (MOVA_LABELREF): New macro.
14297 (mova_p, fixup_mova, sh_reorg): Use it.
14298 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
14299 ADDR_DIFF_VEC matches mova.
14301 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
14303 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
14304 with ATTRIBUTE_UNUSED.
14306 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
14308 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
14309 pointer, instead of assuming it is possible to derive the
14310 correct args size from a call insn.
14312 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14314 * rtl.h (CONST_INT_P): Define.
14315 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
14316 instead of GET_CODE(x) == CONST_INT.
14317 (vax_rtx_costs): Likewise.
14318 (vax_output_int_move): Likewise.
14319 (vax_output_int_add): Likewise.
14320 (legitimate_constant_address_p): Likewise.
14321 (index_term_p): Likewise.
14322 * config/vax/vax.h (PRINT_OPERAND): Likewise.
14323 * config/vax/vax.md (and<mode>3): Likewise.
14324 (ashrsi3): Likewise.
14326 (movstricthi): Likewise.
14327 (movstrictqi): Likewise.
14328 (rotrsi3): Likewise.
14329 (five unnamed insns): Likewise.
14331 2006-03-16 Geoffrey Keating <geoffk@apple.com>
14333 * doc/tm.texi (SDB and DWARF): Add extra parameter to
14334 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
14335 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
14336 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
14337 Pass to ASM_OUTPUT_DWARF_OFFSET.
14338 * dwarf2out.c (debug_frame_section): New.
14339 (output_call_frame_info): Use debug_frame_section. Pass it to
14340 dw2_asm_output_offset.
14341 (output_die): Pass appropriate section to dw2_asm_output_offset.
14342 (output_compilation_unit_header): Likewise.
14343 (output_pubnames): Likewise.
14344 (output_aranges): Likewise.
14345 (enum dw_val_class): Break dw_val_class_lbl_offset into
14346 dw_val_class_lineptr and dw_val_class_macptr.
14347 (add_AT_lbl_offset): Delete.
14348 (add_AT_lineptr): New.
14349 (add_AT_macptr): New.
14350 (AT_lbl): Expect a lineptr or macptr.
14351 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
14352 (attr_checksum): Likewise.
14353 (same_dw_val_p): Likewise.
14354 (size_of_die): Likewise.
14355 (value_format): Likewise.
14356 (output_die): Likewise.
14357 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
14359 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14360 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
14361 * config/darwin-protos.h (darwin_file_start): New.
14362 (darwin_asm_output_dwarf_offset): New.
14363 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14364 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
14366 * config/darwin.c (darwin_emit_unwind_label): Don't output label
14367 if not EH section; simplify.
14368 (darwin_file_start): New.
14369 (darwin_asm_output_dwarf_offset): New.
14370 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
14372 (DEBUG_INFO_SECTION): Likewise.
14373 (DEBUG_ABBREV_SECTION): Likewise.
14374 (DEBUG_ARANGES_SECTION): Likewise.
14375 (DEBUG_MACINFO_SECTION): Likewise.
14376 (DEBUG_LINE_SECTION): Likewise.
14377 (DEBUG_LOC_SECTION): Likewise.
14378 (DEBUG_PUBNAMES_SECTION): Likewise.
14379 (DEBUG_STR_SECTION): Likewise.
14380 (DEBUG_RANGES_SECTION): Likewise.
14381 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
14382 (ASM_OUTPUT_DWARF_OFFSET): New.
14384 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
14386 * config.gcc (tm_defines): Always add to previous value rather
14389 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14391 * config/mips/predicates.md (splittable_const_int_operand): New,
14392 split from move_operand.
14393 (splittable_symbolic_operand): New.
14394 (move_operand): Add commentary. Use splittable_const_int_operand.
14395 Inline mips_atomic_symbolic_constant_p.
14396 * config/mips/mips.md: Add combine splitters for handling moves
14397 of splittable_const_int_operands and splittable_symbolic_operands.
14398 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
14399 (mips_split_symbol): Declare.
14400 (mips_move_integer): Declare.
14401 * config/mips/mips.c (mips_split_p): Make global.
14402 (TARGET_MIN_ANCHOR_OFFSET): Override default.
14403 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14404 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14405 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
14406 (mips_offset_within_object_p): Handle block symbols.
14407 (mips_atomic_symbolic_constant_p): Delete.
14408 (mips_cannot_force_const_mem): Return false for constants that
14409 mips_legitimize_move can handle.
14410 (mips_use_blocks_for_constant_p): New function.
14411 (mips_split_symbol): Make global.
14412 (mips_move_integer): Likewise. Add a temporary register argument.
14413 (mips_legitimize_const_move): Use splittable_const_int_operand and
14414 splittable_symbolic_operand.
14415 (mips_use_anchors_for_symbol_p): New function.
14416 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
14417 (mips_split_p): Declare.
14419 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14421 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
14422 (mips*-*-linux*): Likewise.
14424 2006-03-16 Roger Sayle <roger@eyesopen.com>
14425 Daniel Speyer <dspeyer@wam.umd.edu>
14427 PR middle-end/18259
14428 * tree-dump.c (dump_real): New function.
14429 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
14430 * Makefile.in (REAL_H): New macro for dependencies on real.h.
14431 (tree-dump.o): Add $(REAL_H) to the dependencies.
14433 2006-03-16 Roger Sayle <roger@eyesopen.com>
14435 PR middle-end/21781
14436 * real.c (real_from_string): If the mantissa is zero, don't bother
14437 parsing the exponent as the result should always be zero.
14439 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
14441 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
14443 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14445 * config/ia64/ia64.c (stops_p): Added explicit initialization.
14446 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
14447 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
14448 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
14449 ia64_sched_finish_global): New static functions to implement
14450 hooks from gcc_target.sched.
14451 (spec_check_no, max_uid, pending_data_specs): New static variables.
14452 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
14453 ia64_spec_check_src_p): New static functions.
14454 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
14455 (TARGET_SCHED_ADJUST_COST): Removed.
14456 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
14457 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
14458 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14459 TARGET_SCHED_GEN_CHECK,
14460 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14461 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
14462 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
14463 Fixed to handle speculation checks.
14464 (rtx_needs_barrier): Fixed to handle speculative loads and
14466 (ia64_variable_issue): Added code to count speculative loads and their
14468 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
14470 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
14472 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
14474 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
14475 (ia64_reorg): Reset stops_p to NULL after it is freed.
14476 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
14477 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
14478 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
14480 (data_speculative, control_speculative, check_load): New attributes.
14481 (mov<mode>_advanced, mov<mode>_speculative,
14482 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
14483 zero_extend<mode>di2_speculative,
14484 zero_extend<mode>di2_speculative_advanced): New patterns for
14485 data and control speculative loads.
14486 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
14488 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
14489 New pattern for data and control speculation checks.
14490 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
14491 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
14492 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
14493 Auxiliary definitions for the patterns.
14494 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
14495 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
14497 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
14499 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
14500 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
14501 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
14502 New resource constraints.
14503 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
14505 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
14506 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
14507 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14508 msched-in-control-spec, msched-ldc, msched-control-ldc,
14509 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14510 msched-prefer-non-control-spec-insns,
14511 msched-count-spec-in-critical-path): New flags to tune speculative
14513 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
14514 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14515 msched-in-control-spec, msched-ldc, msched-control-ldc,
14516 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14517 msched-prefer-non-control-spec-insns,
14518 msched-count-spec-in-critical-path): Document new flags.
14520 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14522 * target.h (struct spec_info_def): New opaque declaration.
14523 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
14524 speculate_insn, needs_block_p, gen_check,
14525 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
14526 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
14527 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
14528 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
14529 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14530 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
14532 (TARGET_SCHED): Use new macros.
14533 * rtl.h (copy_DEPS_LIST_list): New prototype.
14534 * sched-int.h (struct sched_info): Change signature of new_ready field,
14535 adjust all initializations. New fields: add_remove_insn,
14536 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
14537 region_head_or_leaf_p.
14538 (struct spec_info_def): New structure declaration.
14539 (spec_info_t): New typedef.
14540 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
14541 recovery_block, orig_pat.
14542 (glat_start, glat_end): New variables declaraions.
14543 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
14545 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
14546 DETACH_LIFE_INFO, USE_GLAT.
14547 (enum SPEC_SCHED_FLAGS): New enumeration.
14548 (NOTE_NOTE_BB_P): New macro.
14549 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
14550 attach_life_info, debug_spec_status, check_reg_live): New functions.
14551 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
14552 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
14554 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
14555 * ddg.c (get_block_head_tail): Adjust all uses.
14556 * modulo-sched.c (get_block_head_tail): Adjust all uses.
14557 (sms_sched_info): Initialize new fields.
14558 (contributes_to_priority): Removed.
14559 * haifa-sched.c (params.h): New include.
14560 (get_block_head_tail): Adjust all uses.
14561 (ISSUE_POINTS): New macro.
14562 (glat_start, glat_end): New global variables.
14563 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
14564 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
14565 old_last_basic_block, before_recovery, current_sched_info_var,
14566 rgn_n_insns, luid): New static variables.
14567 (insn_cost1): New function. Move logic from insn_cost to here.
14568 (find_insn_reg_weight1): New function. Move logic from
14569 find_insn_reg_weight to here.
14570 (reemit_notes, move_insn, max_issue): Change signature.
14571 (move_insn1): Removed.
14572 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
14573 extend_bb): New static functions to support extension of scheduler's
14575 (generate_recovery_code, process_insn_depend_be_in_spec,
14576 begin_speculative_block, add_to_speculative_block,
14577 init_before_recovery, create_recovery_block, create_check_block_twin,
14578 fix_recovery_deps): New static functions to support
14579 generation of recovery code.
14580 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
14581 restore_bb_notes, move_block_after_check, move_succs): New static
14582 functions to support ebb scheduling.
14583 (init_glat, init_glat1, attach_life_info1, free_glat): New static
14584 functions to support handling of register live information.
14585 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
14586 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
14587 add_jump_dependencies): New static functions.
14588 (check_cfg, has_edge_p, check_sched_flags): New static functions for
14589 consistancy checking.
14590 (debug_spec_status): New function to call from debugger.
14591 (priority): Added code to handle speculation checks.
14592 (rank_for_schedule): Added code to distinguish speculative instructions.
14593 (schedule_insn): Added code to handle speculation checks.
14594 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
14595 Fixed to handle ebbs.
14596 (move_insn): Added code to handle ebb scheduling.
14597 (max_issue): Added code to use ISSUE_POINTS of instructions.
14598 (choose_ready): Added code to choose between speculative and
14599 non-speculative instructions.
14600 (schedule_block): Added code to handle ebb scheduling and scheduling of
14601 speculative instructions.
14602 (sched_init): Initialize new variables.
14603 (sched_finish): Free new variables. Print statistics.
14604 (try_ready): Added code to handle speculative instructions.
14605 * lists.c (copy_DEPS_LIST_list): New function.
14606 * sched-deps.c (extend_dependency_caches): New function. Move logic
14607 from create_dependency_caches to here.
14608 (get_dep_weak, ds_merge): Make global.
14609 * genattr.c (main): Code to output prototype for
14610 dfa_clear_single_insn_cache.
14611 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14612 (output_dfa_clean_insn_cache_func): Code to output
14613 dfa_clear_single_insn_cache function.
14614 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14616 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14618 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14619 New static variables.
14620 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14621 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14623 (ebb_sched_info): Initialize new fields.
14624 (get_block_head_tail): Adjust all uses.
14625 (compute_jump_reg_dependencies): Fixed to use glat_start.
14626 (schedule_ebb): Code to remove unreachable last block.
14627 (schedule_ebbs): Added code to update register live information.
14628 * sched-rgn.c (region_sched_info): Initialize new fields.
14629 (get_block_head_tail): Adjust all uses.
14630 (last_was_jump): Removed. Adjust users.
14631 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14632 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14633 Implement new hooks.
14634 (check_dead_notes1): New static function.
14635 (struct region): New fields: dont_calc_deps, has_real_ebb.
14636 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14637 (BB_TO_BLOCK): Fixed to handle EBBs.
14638 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14639 (ebb_head): New static variable.
14640 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14641 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14643 (compute_dom_prob_ps): New assertion.
14644 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14645 global_live_at_start.
14646 (init_ready_list): New assertions.
14647 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14648 (new_ready): Add support for BEGIN_CONTROL speculation.
14649 (schedule_insns): Fixed code that updates register live information
14651 (schedule_region): Fixed to handle EBBs.
14652 (init_regions): Use extend_regions and check_dead_notes1.
14653 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14654 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14655 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14656 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14657 TARGET_SCHED_GEN_CHECK,
14658 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14659 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14660 * doc/invoke.texi (max-sched-insn-conflict-delay,
14661 sched-spec-prob-cutoff): Document.
14663 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14665 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14666 inter_tick, queue_index.
14667 (struct sched_info): Change signature of init_ready_list field.
14668 Adjust all initializations.
14669 (RESOLVED_DEPS): New access macro.
14670 (ready_add): Remove prototype.
14671 (try_ready): Add prototype.
14672 * sched-rgn.c (init_ready_list): Use try_ready.
14673 (schedule_region): Initialize
14674 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14675 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14676 (init_ready_list): Use try_ready.
14677 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14678 * lists.c (remove_list_elem): Remove `static'.
14679 (remove_free_INSN_LIST_elem): New function.
14680 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14681 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14682 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14684 (readyp): New variable.
14685 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14686 change_queue_index, resolve_dep): New static functions.
14687 (try_ready): New function. Adjust callers in sched-rgn.c and
14688 sched-ebb.c to use it instead of ready_add.
14689 (clock_var): Move at the begining of file.
14690 (rank_for_schedule): Fix typo.
14691 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14692 (ready_lastpos): Enforce assertion.
14693 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14694 update all callers.
14695 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14696 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14697 (queue_to_ready): Use free_INSN_LIST_list.
14698 (early_queue_to_ready): Fix typo.
14699 (schedule_block): Init readyp. Move init_ready_list call after the
14700 initialization of clock_var. Fix error in rejecting insn by
14701 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14702 that previously corrected INSN_TICKs. Add code for handling
14704 (set_priorities): Fix typo.
14705 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14706 Clarify comment and code that keeps current_sched_info->next_tail
14709 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14711 * sched-rgn.c (extend_rgns): New static function.
14712 (find_rgns): Use it.
14713 (gather_region_statistics, print_region_statistics): New static
14715 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14716 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14718 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14719 Andrey Belevantsev <abel@ispras.ru>
14721 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14722 * lists.c (unused_deps_list): New variable.
14723 (free_list): Add assertions to verify the proper distinguishing
14724 between INSN_LISTs and DEPS_LISTs.
14725 (find_list_elem, remove_list_elem, remove_list_node): New static
14727 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14728 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14729 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14730 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14732 (free_INSN_LIST_node): Likewise.
14733 * modulo-sched.c (current_sched_info): Initialize flags field.
14734 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14735 * rtl.def (DEPS_LIST): Define.
14736 * rtl.h: Declare new functions from lists.c.
14737 * sched-deps.c (spec_dependency_cache): New static variable.
14738 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14739 (add_dependence): Change return type to void. Move the logic to ...
14740 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14741 (delete_all_dependences): Add comment about forward_dependency_cache.
14742 Handle spec_dependency_cache. Handle DEPS_LISTs.
14743 (fixup_sched_groups): Clarify the change of priority of output
14744 and anti dependencies.
14745 (sched_analyze_2): Adjust add_dependence calls to create data
14746 speculative dependence.
14747 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14748 Adjust all callers. Handle DEPS_LISTS.
14749 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14750 presence of speculation.
14751 (init_dependency_caches, free_dependency_caches):
14752 Handle spec_dependency_cache.
14753 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14754 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14755 New static functions.
14756 (add_or_update_back_dep, add_or_update_back_forw_dep,
14757 add_back_forw_dep, delete_back_forw_dep): New functions.
14758 * sched-int.h (ds_t, dw_t): New typedefs.
14759 (struct sched_info): Add new field flags.
14760 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14761 Prototype new sched-deps.c functions.
14762 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14763 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14764 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14765 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14766 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14767 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14769 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14771 * sched-rgn.c (current_sched_info): Initialize flags field.
14772 (schedule_insns): Initialize current_sched_info before the sched_init
14774 * sched-ebb.c (current_sched_info): Initialize flags field.
14775 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14776 Call add_or_update_back_dep instead of add_dependence.
14777 Create control speculative dependencies.
14778 (schedule_insns): Initialize current_sched_info before the sched_init
14781 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14783 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14785 (sh_fallback_frame_state): Likewise.
14787 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14789 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14790 Do switch on default_use_cxa_atexit.
14791 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14792 * config/darwin-crt3.o: New.
14793 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14794 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14795 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14797 * config/rs6000/t-darwin: Move crt2.o building to here.
14798 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14799 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14802 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14804 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14805 from '! xxx' to '!xxx' for coding-style conformance.
14806 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14807 (EXTRA_CONSTRAINT): Likewise.
14808 * config/vax/vax.md (four unnamed insns): Likewise.
14810 2006-03-15 Paul Brook <paul@codesourcery.com>
14812 * config/arm/arm.c (minipool_pad): New.
14813 (add_minipool_forward_ref): Include pool alignment padding in address
14815 (push_minipool_fix): Set minipool_pad.
14816 (minipool_pad): Ditto.
14818 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14820 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
14821 instead of GET_CODE() == MEM and REG_P() instead of
14823 (print_operand_address): Likewise.
14824 (vax_address_cost): Likewise.
14825 (vax_rtx_costs): Likewise.
14826 (vax_notice_update_cc): Likewise.
14827 (vax_output_int_add): Likewise.
14828 (INDEX_REGISTER_P): Likewise.
14829 (BASE_REGISTER_P): Likewise.
14830 (nonindexed_address_p): Likewise.
14831 (vax_mode_dependent_address_p): Likewise.
14832 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
14833 (PRINT_OPERAND): Likewise.
14834 * config/vax/vax.md (ashlsi3): Likewise.
14835 (ashlsi3): Likewise.
14836 (some more unnamed insns): Likewise.
14838 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
14840 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
14841 iterator-style macro.
14842 (mark_control_dependent_edges_necessary): Update the use of
14843 EXECUTE_IF_CONTROL_DEPENDENT.
14845 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
14847 * config/sh/predicates.md (cache_address_operand): Special.
14848 (ua_address_operand): Likewise.
14850 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
14852 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
14854 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
14856 2006-03-15 Andreas Schwab <schwab@suse.de>
14858 * gensupport.c (identify_predicable_attribute): Don't free p_false
14859 when it is still in use.
14861 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
14863 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
14864 the default setting here.
14866 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
14868 * tree-pass.h (pass_cfg): Remove.
14869 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
14870 * passes.c (pass_cfg): Don't run it.
14872 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
14874 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
14875 * reg-stack.c (stack_regs_mentioned_data): Change the type to
14877 (stack_regs_mentioned): Update the uses of
14878 stack_regs_mentioned_data. Don't access the array beyond its
14880 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
14881 Don't include gt-reg-stack.h.
14883 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
14884 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
14886 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
14888 PR middle-end/26684
14889 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
14892 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14894 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
14896 2006-03-14 Richard Guenther <rguenther@suse.de>
14898 PR tree-optimization/26672
14899 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
14902 2006-03-14 Richard Guenther <rguenther@suse.de>
14904 PR tree-optimization/26667
14905 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
14906 node for the callees. Always allow inlining if it will shrink
14909 2006-03-14 Richard Guenther <rguenther@suse.de>
14911 PR middle-end/26659
14912 * builtins.c (get_pointer_alignment): Prefer alignment
14913 information from decls over that from types.
14915 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
14918 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
14920 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
14922 * config/rs6000/rs6000.opt (mdlmzb): New option.
14923 (msched-prolog, msched-epilog): Use Var not Mask.
14924 * doc/invoke.texi (-mdlmzb): Document.
14925 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
14927 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
14928 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
14930 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
14932 PR rtl-optimization/25739
14933 * bt-load.c (augment_live_range): Free tos pointer.
14935 * gensupport.c (identify_predicable_attribute): Free
14937 * gcov.c (create_file_names): Free name pointer.
14939 2006-03-13 Roger Sayle <roger@eyesopen.com>
14941 PR middle-end/26557
14942 * stmt.c (emit_case_nodes): Handle the case where the index is a
14943 CONST_INT, where the comparison mode is specified by the index type.
14945 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14947 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
14950 2006-03-13 Richard Sandiford <richard@codesourcery.com>
14952 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
14953 (*branch_fp_inverted): Likewise.
14955 2006-03-13 Jakub Jelinek <jakub@redhat.com>
14957 PR middle-end/25989
14958 * omp-low.c (expand_omp_for_generic): Mark istart0
14959 and iend0 as addressable.
14961 2006-03-13 Jie Zhang <jie.zhang@analog.com>
14963 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
14965 2006-03-13 Jeff Law <law@redhat.com>
14967 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
14968 virtual operands are interesting.
14969 (vrp_visit_stmt): Corresponding changes.
14971 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
14973 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
14975 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
14976 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
14977 * config/bfin/crti.S: Use it instead of __PIC__.
14978 * config/bfin/crtn.S: Likewise.
14980 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
14981 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
14983 Lose 'G' modifier for call operand.
14984 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
14985 recognize 'G' modifier.
14987 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
14989 PR middle-end/18859
14990 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
14991 * stmt.c (expand_case): Likewise.
14993 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
14995 PR rtl-optimization/26254
14996 * loop-invariant.c (seq_insns_valid_p): New function.
14997 (move_invariant_reg): Only emit new code if it is valid.
14999 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15001 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
15003 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
15004 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
15005 (commit_one_edge_insertion): Do not look for loop notes.
15007 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15009 * jump.c (follow_jumps): Do not check for loop notes. Move check for
15010 flag_test_coverage out of loop.
15012 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15014 * final.c (shorten_branches): Remove outdated comment, and turn
15015 the if branch that guards it to continue.
15017 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15019 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
15020 * cfgloop.h (struct loop): Remove unused fields.
15022 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
15024 * doc/invoke.texi (-fdump-rtl-loop): Remove.
15025 (-dL, -fdump-rtl-loop2): Update the dump file names
15027 * doc/invoke.texi: Update dump file names.
15029 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
15031 * predict.c (estimate_probability): Remove.
15032 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
15033 * basic-block.h (estimate_probability): Remove prototype.
15034 * passes.c (finish_optimization_passes): Dump branch prediction or
15035 profiling heuristics to the .profile tree dump.
15036 (init_optimization_passes): Unqueue pass_branch_prob.
15038 * doc/invoke.texi (-fdump-rtl-bp): Remove.
15040 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15042 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
15043 * rtl.h (LABEL_NEXTREF): Remove field accessor.
15045 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
15047 * function.h (frame_offset_overflow): Declare.
15048 * function.c (frame_offset_overflow): New function.
15049 (assign_stack_local_1): Call it to detect that the offset overflows.
15050 * cfgexpand.c (alloc_stack_frame_space): Likewise.
15052 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15054 * config/sh/sh.c: Include alloc-pool.h.
15055 (label_ref_list_pool): New alloc pool.
15056 (label_ref_list_t): New type for lists of labels.
15057 (struct pool_node): Make wend a label_ref_list_t.
15058 (add_constant): Use the new type, eradicate LABEL_NEXTREF
15060 (dump_table): Likewise.
15061 (sh_reorg): Set up the alloc pool before using add_constant and
15062 dump_table, and destroy it when finishing.
15064 2006-03-11 Richard Sandiford <richard@codesourcery.com>
15066 * config/mips/mips.c: Remove redundant comment.
15068 2006-03-10 Jason Merrill <jason@redhat.com>
15071 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
15072 the target was declared 'register'.
15074 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
15076 * genpreds.c (write_insn_constraint_len): Change definition of
15077 insn_constraint_len to return size_t to match the declaration.
15079 2006-03-10 DJ Delorie <dj@redhat.com>
15081 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
15083 (m32c_expand_insv): Fix test for an AND mask.
15085 2006-03-10 Richard Guenther <rguenther@suse.de>
15087 PR middle-end/26565
15088 * builtins.c (get_pointer_alignment): Handle component
15089 references for field alignment.
15091 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15093 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
15094 when building with libgloss.
15095 (sh*elf): Implement --without-fp option.
15096 (sh64-superh-linux*): Don't multilib.
15098 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15100 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
15102 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
15104 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
15105 Set it when one of the replacement functions returned true.
15106 Return TODO_cleanup_cfg if cfgchanged is true.
15107 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
15109 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
15111 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
15112 instead of gen_lowpart.
15114 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15116 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
15118 (mips_output_order_conditional_branch): Declare.
15119 * config/mips/mips.h (MIPS_BRANCH): New macro.
15120 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
15121 for the comparison. Use gen_condjump.
15122 (mips_output_conditional_branch): Rework interface to take the
15123 asm templates for a direct branch and the inverse of a direct branch.
15124 (mips_output_order_conditional_branch): New function.
15125 (mips_builtin_branch_and_move): New function.
15126 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
15127 branch condition. Use gen_single_cc as the condition for
15128 __builtin_mips_upper_* or __builtin_mips_lower_*.
15129 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
15130 Use VOIDmode for the branch condition.
15131 * config/mips/predicates.md (order_operator): New predicate.
15132 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
15133 (branch_fp): Rename to...
15134 (*branch_fp): ...this. Remove mode from comparison operator.
15135 Use new mips_output_conditional_branch interface.
15136 (branch_fp_inverted): Rename to...
15137 (*branch_fp_inverted): ...this and update as for *branch_fp.
15138 (*branch_zero<mode>): Rename to...
15139 (*branch_order<mode>): ...this. Remove mode from comparison operator.
15140 Use mips_output_order_conditional_branch. Only accept ordered
15142 (*branch_zero<mode>_inverted): Rename to...
15143 (*branch_order<mode>_inverted): ...this and update as for
15144 *branch_order<mode>.
15145 (*branch_equality<mode>): Accept zero as the second operand to
15146 the equality operator. Use the new mips_output_conditional_branch
15148 (*branch_equality<mode>_inverted): Likewise.
15149 (condjump): New expander.
15150 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
15152 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
15153 (bc1any2t, bc1any2f): Likewise.
15154 (single_cc): New expander.
15155 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
15157 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15159 * doc/md.texi: Update documentation of MIPS constraints.
15160 * config/mips/constraints.md: New file.
15161 * config/mips/mips.md: Include it.
15162 * config/mips/mips.c (mips_char_to_class): Delete.
15163 (override_options): Don't initialize mips_char_to_class.
15164 * config/mips/mips.h (mips_char_to_class): Delete.
15165 (REG_CLASS_FROM_LETTER): Delete.
15166 (CONST_OK_FOR_LETTER_P): Delete.
15167 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15168 (EXTRA_CONSTRAINT_Y): Delete.
15169 (EXTRA_CONSTRAINT_STR): Delete.
15170 (CONSTRAINT_LEN): Delete.
15171 (EXTRA_MEMORY_CONSTRAINT): Delete.
15173 2006-03-09 Diego Novillo <dnovillo@redhat.com>
15175 * tree-cfg.c (move_block_to_fn): Remove the statements from the
15176 original fn's eh regions.
15178 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
15180 * fold-const.c (build_range_check): Make sure to use a valid type to
15181 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
15184 (range_predecessor): New static function.
15185 (range_successor): Likewise.
15186 (merge_ranges): Use them to compute predecessors and successors of
15189 2006-03-09 Roger Sayle <roger@eyesopen.com>
15191 PR middle-end/26561
15192 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
15193 X op C3, consider whether C3 overflows towards +Inf or -Inf.
15195 2006-03-08 DJ Delorie <dj@redhat.com>
15197 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
15198 (addpsi3): Expand to include memory operands. Remove
15199 reload-specific splits.
15200 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
15201 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
15202 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
15203 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
15204 (shift1_qi, shift1_hi, insv): New.
15205 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
15206 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
15207 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
15209 * config/m32c/m32c-protos.h: Update as needed.
15210 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
15211 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
15212 Fail for unrecognized R* constraints.
15213 (m32c_cannot_change_mode_class): Be more picky about pseudos.
15214 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
15215 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
15217 (m32c_init_libfuncs): New.
15218 (m32c_legitimate_address_p): Add debug wrapper.
15219 (m32c_rtx_costs): New.
15220 (m32c_address_cost): New.
15221 (conversions): Add 'B' prefix.
15222 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
15223 operands, or word regnames for QI operands. 'B' prints bit
15225 (m32c_expand_setmemhi): New.
15226 (m32c_expand_movmemhi): New.
15227 (m32c_expand_movstr): New.
15228 (m32c_expand_cmpstr): New.
15229 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
15230 (m32c_expand_neg_mulpsi3): Handle non-ints.
15231 (m32c_cmp_flg_0): New.
15232 (m32c_expand_movcc): New.
15233 (m32c_expand_insv): New.
15234 (m32c_scc_pattern): New.
15235 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
15236 a0/a1 out of SIregs.
15237 (STORE_FLAG_VALUE): New.
15238 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
15241 * config/m32c/mov.md: Make constraints more liberal.
15242 (zero_extendqihi2): Optimize r0/r1 case.
15243 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
15244 * config/m32c/predicates.md (m32c_any_operand): New.
15245 (m32c_nonimmediate_operand): New.
15246 (m32c_hl_operand): New.
15247 (m32c_r3_operand): New.
15250 (memsym_operand): New.
15251 (memimmed_operand): New.
15252 (a_qi_operand): New.
15253 (m32c_eqne_operator): New.
15254 (m32c_1bit8_operand): New.
15255 (m32c_1bit16_operand): New.
15256 (m32c_1mask8_operand): New.
15257 (m32c_1mask16_operand): New.
15258 * config/m32c/blkmov.md: New file.
15259 * config/m32c/t-m32c (MD_FILES): Add blkmov.
15261 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
15263 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
15264 unsigned to fix signed/unsigned comparison issue in
15265 DWARF2_FRAME_REG_OUT.
15266 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
15267 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
15269 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
15270 of ptr into the ENABLE_CHECKING section.
15272 2006-03-08 Jeff Law <law@redhat.com>
15274 * tree-vrp.c (infer_value_range): Only count pointer uses
15275 and dereferences if -fdelete-null-pointer-checks is enabled.
15277 * tree-vrp.c (find_assert_locations): Infer value ranges for
15278 single use pointers, but do not create ASSERT_EXPRs for them.
15279 When a non-null range is inferred for a pointer, backwards
15280 propagate that range to other equivalent pointers through the
15283 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
15286 * Makefile.in (dvi, html, install-info): Invoke the corresponding
15287 language hook targets.
15288 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
15289 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
15290 if language hook targets were missing.
15292 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
15294 * tree-ssa-opfinalize.h: Removed.
15295 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
15297 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
15298 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
15299 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
15300 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
15301 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
15302 finalize_ssa_v_must_def_ops): New.
15304 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
15306 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
15307 block as parameter.
15309 2006-03-07 Geoffrey Keating <geoffk@apple.com>
15311 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
15313 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
15314 addresses with offsets; reorganize.
15316 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
15317 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
15318 (expand_builtin_init_dwarf_reg_sizes): Likewise.
15320 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
15323 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
15325 2006-03-08 Ben Elliston <bje@au.ibm.com>
15327 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
15329 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
15332 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
15335 2006-03-07 Richard Guenther <rguenther@suse.de>
15337 PR tree-optimization/26587
15338 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
15340 2006-03-07 Richard Sandiford <richard@codesourcery.com>
15342 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
15344 2006-03-07 Richard Sandiford <richard@codesourcery.com>
15346 * hooks.c (hook_bool_mode_rtx_true): New function.
15347 * hooks.h (hook_bool_mode_rtx_true): Declare.
15348 * toplev.c (compile_file): Call output_shared_constant_pool.
15349 * varasm.c (shared_constant_pool): New variable.
15350 (assemble_start_function, assemble_end_function): Remove arguments
15351 from call to output_constant_pool.
15352 (create_constant_pool): New function, split out from...
15353 (init_varasm_status): ...here.
15354 (force_const_mem): Choose between the shared and per-function constant
15355 pools. Set current_function_uses_const_pool when reusing old entries
15356 as well as when creating new ones.
15357 (mark_constant): Ignore data argument.
15358 (mark_constants): Remove pool argument.
15359 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
15360 to decide whether the function uses a constant pool.
15361 (output_constant_pool_contents): New function, split out from...
15362 (output_constant_pool): ...here.
15363 (output_shared_constant_pool): New function.
15364 (init_varasm_once): Initialize shared_constant_pool.
15365 * output.h (output_constant_pool): Delete.
15366 (output_shared_constant_pool): Declare.
15367 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
15368 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
15370 2006-03-06 Nick Clifton <nickc@redhat.com>
15372 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
15373 flag_strength_reduce.
15375 2006-03-06 Ben Elliston <bje@au.ibm.com>
15377 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
15378 x86_64-*-linux* configurations.
15380 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
15381 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
15383 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15385 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
15387 * basic-block.h: Remove the extern for
15388 rediscover_loops_after_threading.
15390 * cfgloop.c (cancel_loop): Make it static.
15391 * cfgloop.h: Remove the prototype for cancel_loop.
15393 * flow.c (recompute_reg_usage): Make it static.
15394 * rtl.h: Remove the prototype for recompute_reg_usage.
15396 * function.c (use_return_register): Make it static.
15397 * function.h: Remove the prototype.
15399 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15401 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
15403 * recog.h: Remove the prototype for
15404 validate_change_maybe_volatile.
15406 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15408 * rtlanal.c (replace_reg): Remove.
15409 * rtl.h: Remove the prototype for replace_reg.
15411 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15413 * regclass.c (reg_scan_update): Remove.
15414 (reg_scan_mark_refs): Remove the last argument.
15415 * rtl.h: Remove the prototype for reg_scan_update.
15417 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15419 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
15420 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
15421 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
15422 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
15423 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
15424 loop-invariant.c, omp-low.c, opts.c, passes.c,
15425 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
15426 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
15427 tree-ssa-structalias.c, tree-ssa-threadedge.c,
15428 tree-ssa-threadupdate.c, tree-vect-patterns.c,
15429 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
15430 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
15432 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15434 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
15435 * dwarf2out.h: Remove the prototype for
15436 dwarf2out_add_library_unit_info.
15438 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15440 * tree.c (add_var_to_bind_expr): Remove.
15441 * tree.h: Remove the prototype for add_var_to_bind_expr.
15443 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15445 * regclass.c (n_non_fixed_regs): Remove.
15446 (init_reg_sets_1, globalize_reg): Remove all uses of
15448 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
15450 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15452 * rtlanal.c (insns_safe_to_move_p): Remove.
15453 * rtl.h: Remove the prototype for insns_safe_to_move_p.
15455 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15457 * expmed.c (expand_mult_add): Remove.
15458 * expr.h: Remove the prototype for expand_mult_add.
15460 2006-03-04 Jakub Jelinek <jakub@redhat.com>
15462 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
15463 and REG_SAVED_VAL_EXP constants.
15464 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
15465 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
15466 Handle regs stored by value.
15467 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
15468 (execute_cfa_program): Handle DW_CFA_val_offset,
15469 DW_CFA_val_offset_sf and DW_CFA_val_expression.
15470 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
15471 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
15472 (uw_install_context_1): Handle target regs stored by value.
15474 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
15476 * tree-sra.c (tree_sra): Return todoflags;
15477 (generate_one_element): Set TODO_update_smt_usage if needed.
15478 (pass_sra): Remove TODO_update_smt_usage.
15479 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
15481 (tree_ssa_forward_propagate_single_use_vars): Return
15482 TODO_update_smt_usage if we need to update SMT usage.
15483 (pass_forwprop): Remove TODO_update_smt_usage.
15485 2006-03-03 Diego Novillo <dnovillo@redhat.com>
15487 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
15488 (correct_use_link): Remove reference to get_stmt_operands.
15489 (update_stmt_operands): Likewise.
15490 (get_modify_expr_operands): New function factored out of
15491 parse_ssa_operands and get_expr_operands.
15492 Try to create V_MUST_DEFs for LHS by default.
15493 (get_expr_operands) <case MODIFY_EXPR>: Call
15494 get_modify_expr_operands.
15495 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
15496 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
15497 (parse_ssa_operands) <case MODIFY_EXPR>: Call
15498 get_modify_expr_operands.
15500 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
15502 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
15503 * tree-flow.h: Remove the prototype for
15504 referenced_var_lookup_if_exists.
15506 2006-03-03 Steve Ellcey <sje@cup.hp.com>
15508 PR rtl-optimization/26345
15510 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
15512 2006-03-03 Roger Sayle <roger@eyesopen.com>
15514 PR tree-optimization/26524
15515 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
15516 fold_convert to create a constant of the appropriate type.
15518 2006-03-03 Richard Sandiford <richard@codesourcery.com>
15520 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15521 SYMBOL_REF_IN_BLOCK_P.
15522 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
15523 of SYMBOL_FLAG_IN_BLOCK.
15524 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
15525 instead of SYMBOL_REF_IN_BLOCK_P.
15526 * explow.c (use_anchored_address): Likewise.
15527 * rtl.c (rtx_size): Likewise.
15528 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
15529 instead of SYMBOL_FLAG_IN_BLOCK.
15530 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15531 SYMBOL_REF_IN_BLOCK_P.
15532 (assemble_variable): Likewise.
15533 (output_constant_def_contents): Likewise.
15534 (output_constant_pool): Likewise.
15535 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
15536 instead of SYMBOL_FLAG_IN_BLOCK.
15537 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15538 SYMBOL_REF_IN_BLOCK_P.
15539 (SYMBOL_REF_BLOCK): Likewise.
15540 (SYMBOL_REF_OFFSET): Likewise.
15541 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15542 SYMBOL_REF_IN_BLOCK_P.
15543 (SYMBOL_FLAG_IN_BLOCK): Replace with...
15544 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
15545 (SYMBOL_REF_IN_BLOCK_P): Replace with...
15546 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
15548 2006-03-03 Jakub Jelinek <jakub@redhat.com>
15550 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
15552 2006-03-02 Roger Sayle <roger@eyesopen.com>
15554 * simplify-rtx.c (simplify_unary_operation): When simplifying
15555 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
15556 that we perform the right shift in the appropriate mode, and
15557 then extend or truncate the result to requested mode.
15559 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
15561 * gengtype.c (main): Handle double_int type.
15562 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
15563 * double-int.c: New file.
15564 * double-int.h: New file.
15565 * system.h: Include doubleint.h.
15566 * Makefile.in (SYSTEM_H): Include double-int.h.
15567 (double-int.o): Add.
15569 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
15572 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
15575 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15577 * tree-vrp.c (remove_range_assertions): Do not update statements
15580 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15582 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
15584 * gcse.c (rest_of_handle_gcse): Ditto.
15585 * except.c (gate_handle_eh): Ditto.
15586 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
15587 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
15589 2006-03-02 Eric Christopher <echristo@apple.com>
15591 * config/i386/i386.c (machopic_output_stub): Add indirection to
15594 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15598 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
15600 Sun Niagara specific optimizations.
15601 * config.gcc: Recognize niagara as target.
15602 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15603 (TARGET_CPU_niagara): Define.
15604 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15605 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15606 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15607 (ASM_CPU_SPEC): Likewise.
15608 (PROCESSOR_NIAGARA): New enum entry.
15609 (REGISTER_MOVE_COST): Handle Niagara.
15610 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15611 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15612 (sparc_override_options): Recognize "niagara", set appropriate
15613 default MASK_* values for it, and align functions to 32-bytes
15614 by default just like ULTRASPARC/ULTRASPARC3.
15615 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15616 (sparc64_initialize_trampoline): Likewise.
15617 (sparc_use_sched_lookahead): Use zero for niagara.
15618 (sparc_issue_rate): Use one for niagara.
15619 * config/sparc/niagara.md: New file.
15620 * config/sparc/sparc.md: Include it.
15621 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15622 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15623 when default cpu is niagara.
15624 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15625 (ASM_CPU_SPEC): Likewise.
15626 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15627 when default cpu is niagara.
15628 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15629 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15630 just like v9/ultrasparc/ultrasparc3.
15631 * doc/invoke.texi: Add documentation for "niagara" and improve
15632 existing documentation for ultrasparc variants.
15634 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15636 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15638 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15640 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15641 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15642 and say that only one is needed.
15643 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15644 * target.h (have_switchable_bss_sections): New hook.
15645 * explow.c (use_anchored_address): Check that the symbol is in a block.
15646 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15647 (bss_noswitch_section): New variables.
15648 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15649 (get_noswitch_section): New function.
15650 (get_block_for_section): Allow SECT to be null.
15651 (unlikely_text_section_p): Use SECTION_STYLE.
15652 (bss_initializer_p): New function.
15653 (get_variable_section): Move earlier in file. Take a new argument,
15654 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15655 Return one of the new *_sections in such cases.
15656 (get_block_for_decl): New function, extracting some logic from
15657 use_blocks_for_decl_p.
15658 (change_symbol_section): Remove in favor of...
15659 (change_symbol_block): ...this new function.
15660 (use_blocks_for_decl_p): Remove checks now performed by
15661 get_block_for_decl.
15662 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15663 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15664 (emit_local, emit_bss, emit_common): ...these new functions.
15665 Return true if the alignment was honored.
15666 (emit_tls_common): New function.
15667 (asm_emit_uninitialised): Delete.
15668 (assemble_variable_noswitch): New function, split out from...
15669 (assemble_variable): ...here. Don't make decisions about common
15670 variables here. Globalize all public decls that go into non-common
15671 sections. Check whether SYMBOL_REF_BLOCK is null.
15672 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15673 (output_constant_pool): Likewise.
15674 (init_varasm_once): Initialize the new section variables.
15675 (have_global_bss_p): New function.
15676 (categorize_decl_for_section): Use bss_initializer_p.
15677 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15678 (place_block_symbol): Assert that the symbol must be in a block.
15679 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15680 (TARGET_INITIALIZER): Include it.
15681 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15682 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15683 (SECTION_MACH_DEP): Bump by two.
15684 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15685 (unnamed_section): Mention SECTION_UNNAMED in comment.
15686 (named_section): Likewise SECTION_NAMED.
15687 (noswitch_section_callback): New type.
15688 (noswitch_section): New structure.
15689 (section): Add a noswitch_section alternative.
15690 (SECTION_STYLE): New macro.
15691 (tls_comm_section, comm_section, lcomm_section): Declare.
15692 (bss_noswitch_section, have_global_bss_p): Declare.
15693 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15694 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15696 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15697 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15700 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15702 * tree-vrp.c (execute_vrp): Return value.
15703 * regrename.c (rest_of_handle_regrename): Ditto.
15704 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15705 * tree-complex.c (tree_lower_complex): Ditto.
15706 (tree_lower_complex_O0): Ditto.
15707 * tracer.c (rest_of_handle_tracer): Ditto.
15708 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15709 * postreload.c (rest_of_handle_postreload): Ditto.
15710 * tree-tailcall.c (execute_tail_recursion): Ditto.
15711 (execute_tail_calls): Ditto.
15712 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15713 * tree.h (init_function_for_compilation): Ditto.
15714 * ipa-cp.c (ipcp_driver): Ditto.
15715 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15716 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15717 * final.c (compute_alignments): Ditto.
15718 (rest_of_handle_final): Ditto.
15719 (rest_of_handle_shorten_branches): Ditto.
15720 (rest_of_clean_state): Ditto.
15721 * omp-low.c (execute_expand_omp): Ditto.
15722 (execute_lower_omp): Ditto.
15723 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15724 * ipa-reference.c (static_execute): Ditto.
15725 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15726 * reorg.c (rest_of_handle_delay_slots): Ditto.
15727 (rest_of_handle_machine_reorg): Ditto.
15728 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15729 * flow.c (recompute_reg_usage): Ditto.
15730 (rest_of_handle_remove_death_notes): Ditto.
15731 (rest_of_handle_life): Ditto.
15732 (rest_of_handle_flow2): Ditto.
15733 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15734 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15735 (do_ssa_store_ccp): Ditto.
15736 (execute_fold_all_builtins): Ditto.
15737 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15738 * modulo-sched.c (rest_of_handle_sms): Ditto.
15739 * ipa-pure-const.c (static_execute): Ditto.
15740 * cse.c (rest_of_handle_cse): Ditto.
15741 (rest_of_handle_cse2): Ditto.
15742 * web.c (rest_of_handle_web): Ditto.
15743 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15744 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15745 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15746 * tree-nrv.c (tree_nrv): Ditto.
15747 (execute_return_slot_opt): Ditto.
15748 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15749 (create_structure_vars): Ditto.
15750 * loop-init.c (rtl_loop_init): Ditto.
15751 (rtl_loop_done): Ditto.
15752 (rtl_move_loop_invariants): Ditto.
15753 (rtl_unswitch): Ditto.
15754 (rtl_unroll_and_peel_loops): Ditto.
15755 (rtl_doloop): Ditto.
15756 * gimple-low.c (lower_function_body): Ditto.
15757 (mark_used_blocks): Ditto.
15758 * tree-ssa-sink.c (execute_sink_code): Ditto.
15759 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15760 (cgraph_early_inlining): Ditto.
15761 * global.c (rest_of_handle_global_alloc): Ditto.
15762 * jump.c (cleanup_barriers): Ditto.
15763 (purge_line_number_notes): Ditto.
15764 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15765 (rest_of_handle_if_after_reload): Ditto.
15766 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15767 (tree_ssa_loop_im): Ditto.
15768 (tree_ssa_loop_unswitch): Ditto.
15769 (tree_vectorize): Ditto.
15770 (tree_linear_transform): Ditto.
15771 (tree_ssa_loop_ivcanon): Ditto.
15772 (tree_ssa_empty_loop): Ditto.
15773 (tree_ssa_loop_bounds): Ditto.
15774 (tree_complete_unroll): Ditto.
15775 (tree_ssa_loop_prefetch): Ditto.
15776 (tree_ssa_loop_ivopts): Ditto.
15777 (tree_ssa_loop_done): Ditto.
15778 * predict.c (tree_estimate_probability): Ditto.
15779 * recog.c (split_all_insns_noflow): Ditto.
15780 (rest_of_handle_peephole2): Ditto.
15781 (rest_of_handle_split_all_insns): Ditto.
15782 * tree-eh.c (lower_eh_constructs): Ditto.
15783 * regmove.c (rest_of_handle_regmove): Ditto.
15784 (rest_of_handle_stack_adjustments): Ditto.
15785 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15786 * function.c (instantiate_virtual_regs): Ditto.
15787 (init_function_for_compilation): Ditto.
15788 (rest_of_handle_check_leaf_regs): Ditto.
15789 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15790 (rest_of_handle_gcse): Ditto.
15791 * ipa-type-escape.c (type_escape_execute): Ditto.
15792 * alias.c (rest_of_handle_cfg): Ditto.
15793 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15794 * profile.c (rest_of_handle_branch_prob): Ditto.
15795 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15796 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15797 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15798 * tree-dfa.c (find_referenced_vars): Ditto.
15799 * except.c (set_nothrow_function_flags): Ditto.
15800 (convert_to_eh_region_ranges): Ditto.
15801 (rest_of_handle_eh): Ditto.
15802 * emit-rtl.c (unshare_all_rtl): Ditto.
15803 (remove_unnecessary_notes): Ditto.
15804 * except.h (set_nothrow_function_flags): Ditto.
15805 (convert_to_eh_region_ranges): Ditto.
15806 * cfgexpand.c (tree_expand_cfg): Ditto.
15807 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15808 * tree-ssa-pre.c (do_pre): Ditto.
15809 (execute_fre): Ditto.
15810 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15811 (rest_of_handle_jump2): Ditto.
15812 * tree-sra.c (tree_sra): Ditto.
15813 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
15814 (execute_mudflap_function_decls): Ditto.
15815 * tree-ssa-copy.c (do_copy_prop): Ditto.
15816 (do_store_copy_prop): Ditto.
15817 * ipa-prop.h (ipcp_driver): Ditto.
15818 * cfglayout.c (insn_locators_initialize): Ditto.
15819 * tree-ssa-forwprop.c
15820 (tree_ssa_forward_propagate_single_use_vars): Ditto.
15821 * cfglayout.h (insn_locators_initialize): Ditto.
15822 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
15823 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
15824 (execute_late_warn_uninitialized): Ditto.
15825 * rtl.h (cleanup_barriers): Ditto.
15826 (split_all_insns_noflow): Ditto.
15827 (purge_line_number_notes): Ditto.
15828 (unshare_all_rtl): Ditto.
15829 (remove_unnecessary_notes): Ditto.
15830 (recompute_reg_usage): Ditto.
15831 (variable_tracking_main): Ditto.
15832 * integrate.c (emit_initial_value_sets): Ditto.
15833 * integrate.h (emit_initial_value_sets): Ditto.
15834 * tree-optimize.c (execute_free_datastructures): Ditto
15835 (execute_free_cfg_annotations): Ditto.
15836 (execute_fixup_cfg): Ditto.
15837 (execute_cleanup_cfg_pre_ipa): Ditto.
15838 (execute_cleanup_cfg_post_optimizing): Ditto.
15839 (execute_init_datastructures): Ditto.
15840 * tree-object-size.c (compute_object_sizes): Ditto.
15841 * combine.c (rest_of_handle_combine): Ditto.
15842 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
15843 * bb-reorder.c (duplicate_computed_gotos): Ditto.
15844 (rest_of_handle_reorder_blocks): Ditto.
15845 (rest_of_handle_partition_blocks): Ditto.
15846 * var-tracking.c (variable_tracking_main): Ditto.
15847 * tree-profile.c (tree_profiling): Ditto.
15848 * tree-vect-generic.c (expand_vector_operations): Ditto.
15849 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
15850 * sched-rgn.c (rest_of_handle_sched): Ditto.
15851 (rest_of_handle_sched2): Ditto.
15852 * basic-block.h (free_bb_insn): Ditto.
15853 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
15854 * tree-cfg.c (execute_build_cfg): Ditto.
15855 (remove_useless_stmts): Ditto.
15856 (split_critical_edges): Ditto.
15857 (execute_warn_function_return): Ditto.
15858 (execute_warn_function_noreturn): Ditto.
15859 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
15860 * cfgrtl.c (free_bb_for_insn): Ditto.
15861 * passes.c (execute_one_pass): Run additional
15862 todos returned by execute function.
15863 * tree-pass.h (struct tree_opt_pass): Make execute
15866 2006-03-02 Richard Guenther <rguenther@suse.de>
15868 * tree-ssa-alias.c (find_used_portions): Consider taking
15869 the address as making the variable not write-only.
15871 2006-03-02 Nick Clifton <nickc@redhat.com>
15873 * config.gcc (default_use_cxa_atexit): Extend the description of
15874 this configure variable. Set its default value to "yes" for
15875 Linux, NetBSD and ELF targets on the assumption that they will
15876 use C libraries with the __cxa_atexit function.
15878 2006-03-02 Ben Elliston <bje@au.ibm.com>
15880 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
15881 parameter as unused to suppress a build warning.
15883 2006-03-02 Ben Elliston <bje@au.ibm.com>
15885 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
15888 2006-03-01 Roger Sayle <roger@eyesopen.com>
15891 * gthr-posix.h (__gthrw2): Define to take three parameters, the
15892 declared name, the weak reference name, and the typeof name.
15893 (__gthrw): Avoid expanding the declared name suffix.
15894 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
15896 2006-03-01 Jakub Jelinek <jakub@redhat.com>
15898 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
15900 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
15901 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
15902 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
15903 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
15904 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
15905 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
15906 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
15907 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
15908 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
15909 DW_DS_leading_separate, DW_DS_trailing_separate): New.
15910 (DW_END_default, DW_END_big, DW_END_little): New.
15911 (DW_END_lo_user, DW_END_hi_user): Define.
15912 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
15913 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
15914 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
15917 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15919 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
15921 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
15923 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
15925 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
15927 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
15928 to 'symbol_mem_tag'.
15930 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
15933 2006-03-01 Roger Sayle <roger@eyesopen.com>
15935 * builtins.c (fold_builtin_copysign): Delete unreachable code.
15937 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15940 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
15941 MACHO_DYNAMIC_NO_PIC_P.
15942 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
15944 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15947 * config/darwin-protos.h (darwin_asm_output_anchor):
15949 * config/darwin-sections.def (cstring_section):
15950 Add SECTION_MERGE to the flags.
15951 (literal4_section): Likewise.
15952 (literal8_section): Likewise.
15953 (objc_selector_refs_section): Likewise.
15954 (objc_cls_refs_section): Likewise.
15955 * config/darwin.c (darwin_asm_output_anchor): New
15957 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15959 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
15961 Fix PR tree-optimization/26443
15962 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
15963 to todo and PROP_tmt_usage to properties_destroyed.
15964 * tree-ssa-ccp.c (pass_ccp): Ditto.
15965 (pass_store_ccp): Ditto.
15966 * tree-ssa-dom.c (pass_dominator): Ditto.
15968 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15970 * tree-ssa-operands.c: Cleanup whitespace.
15971 (get_asm_expr_operands): Move before first invocation.
15972 (get_indirect_ref_operands): Likewise.
15973 (get_tmr_operands): Likewise.
15974 (get_call_expr_operands): Likewise.
15975 (append_def): Likewise.
15976 (append_use): Likewise.
15977 (append_v_may_def): Likewise.
15978 (append_v_must_def): Likewise.
15979 (add_call_clobber_ops): Likewise.
15980 (add_call_read_ops): Likewise.
15981 (add_stmt_operand): Likewise.
15982 (add_virtual_operand): Likewise.
15983 (build_ssa_operands): Likewise.
15985 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15987 PR middle-end/26022
15989 PR middle-end/24437
15990 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15991 with a call expr to ...
15992 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15994 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15996 * tree-vrp.c (extract_range_from_assert): Remove special
15997 handling for types with super-types.
15999 2006-03-01 Ben Elliston <bje@au.ibm.com>
16001 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
16002 and powerpc64-*-linux* configurations.
16003 * config/t-dfprules: New file.
16005 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
16006 Compile dfp-bit.c from the source directory using -DWIDTH and
16007 $DFP_CFLAGS to control the compilation of that file, rather than
16008 generating width-specific versions in the build directory.
16009 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
16010 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
16012 2006-02-28 Zack Weinberg <zackw@panix.com>
16014 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
16017 2006-02-28 Eric Christopher <echristo@apple.com>
16019 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
16020 Set up IN_LIBGCC definition of TARGET_64BIT.
16021 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
16023 2006-02-28 Roger Sayle <roger@eyesopen.com>
16025 PR middle-end/14752
16026 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
16027 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
16028 cases via the construction of "expr != 0".
16030 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
16032 * alias.c (alias_invariant, alias_invariant_size): Remove.
16033 (record_base_value): Remove.
16034 (memrefs_conflict_p): Don't look at alias_invariant.
16035 (end_alias_analysis): Don't free it.
16036 * alias.h (record_base_value): Remove prototype.
16038 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
16039 Adam Nemet <anemet@caviumnetworks.com>
16041 * rtl.h (truncated_to_mode): Declare it.
16042 (struct rtl_hooks): Add reg_truncated_to_mode hook.
16043 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
16044 (RTL_HOOKS_INITIALIZER): Include it.
16045 * rtlhooks.c (reg_truncated_to_mode_general): New function.
16046 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
16047 reg_truncated_to_mode.
16048 * rtlanal.c (truncated_to_mode): Define it.
16049 * simplify-rtx.c (simplify_unary_operation_1): Use it.
16051 2006-02-28 Jeff Law <law@redhat.com>
16053 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
16054 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
16055 the range allowed by TYPE_PRECISION.
16057 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
16059 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
16061 PR tree-optimization/26419
16062 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
16065 2006-02-27 Zack Weinberg <zackw@panix.com>
16067 * doc/md.texi: Fix typo in previous change.
16069 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
16073 2006-02-27 Zack Weinberg <zackw@panix.com>
16075 * rtl.def (define_constraint, define_register_constraint)
16076 (define_memory_constraint, define_address_constraint): New MD forms.
16077 * gensupport.c (process_rtx): Put define_constraint etc on the
16079 * genpreds.c (process_define_predicate): Adjust comment. Validate
16080 the name, and call validate_exp to validate the expression.
16081 (mark_mode_tests, write_extract_subexp): Can assume correct input.
16082 (write_predicate_expr): Likewise. NAME argument no longer necessary;
16083 all callers changed.
16084 (validate_exp, needs_variable, struct constraint_data)
16085 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
16086 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
16087 (const_dbl_constraints, constraint_max_namelen)
16088 (have_register_constraints, have_memory_constraints)
16089 (have_address_constraints, have_address_constraints)
16090 (have_extra_constraints, have_const_int_constraints)
16091 (have_const_dbl_constraints, mangle, add_constraint)
16092 (process_define_constraint, process_define_register_constraint)
16093 (write_enum_constraint_num, write_lookup_constraint)
16094 (write_insn_constraint_len, write_regclass_for_constraint)
16095 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
16096 (write_insn_extra_memory_constraint)
16097 (write_insn_extra_address_constraint)
16098 (write_satisfies_constraint_fns): New.
16099 (write_tm_preds_h): If we have new-style constraint definitions,
16100 prototype the functions generated from them, and define the
16101 old constraint interface (still used by generic code) in terms of
16103 (write_insn_preds_c): If we have new-style constraint definitions,
16104 generate all relevant functions from those definitions.
16105 (main): Handle define_constraint etc.
16106 * genoutput.c (struct constraint_data, indep_constraints)
16107 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
16108 (mdep_constraint_len): New data structures and functions, defined
16109 #ifdef USE_MD_CONSTRAINTS.
16110 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
16111 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
16112 use new logic to validate operand constraints against constraint
16114 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
16116 * defaults.h: If none of the old-style constraint macros are
16117 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
16118 old-style macros; and poison REG_CLASS_FROM_LETTER,
16119 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
16121 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
16122 * doc/md.texi: Document new constraint-definition mechanism and the
16123 C interface it provides. Remove references to old mechanism
16124 elsewhere in the document.
16125 (Machine Constraints): Use pathnames relative to gcc directory,
16126 i.e. config/ARCH/FILE. Change i386 section to refer to
16127 config/i386/predicates.md; update that section to match docstrings.
16128 * doc/tm.texi: Move all documentation of the old constraint-
16129 definition macros to their own section, clearly mark as obsolete.
16131 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
16132 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
16134 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
16135 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
16136 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
16137 constraint strings.
16138 (splits and peepholes): Use satisfies_constraint_*.
16139 * config/i386/i386.c (memory_address_length)
16140 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
16142 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16144 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
16145 scalar operation to be put back into the loop.
16147 2006-02-27 Jakub Jelinek <jakub@redhat.com>
16150 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
16151 (extract_cie_info): Handle S flag in augmentation string.
16152 (execute_cfa_program): If context->signal_frame, execute also
16153 fs->pc == context->ra instructions.
16154 (uw_frame_state_for): If context->signal_frame, don't subtract one
16155 from context->ra to find FDE.
16156 (uw_update_context_1): Set context->signal_frame to
16158 (_Unwind_GetIPInfo): New function.
16159 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
16160 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
16162 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
16163 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
16164 * unwind-compat.c (_Unwind_GetIPInfo): New function.
16165 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
16166 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
16167 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
16168 * config/i386/linux-unwind.h (x86_fallback_frame_state,
16169 x86_64_fallback_frame_state): Set fs->signal_frame.
16170 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
16171 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
16172 (frob_update_context): Likewise. Workaround missing S flag in
16173 Linux 2.6.12 - 2.6.16 kernel vDSOs.
16174 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
16175 Remove the psw_addr + 1 hack.
16177 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16179 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
16180 with aggregates here.
16181 (find_func_aliases): Remove code for &<aggregate> from here.
16183 2006-02-26 Roger Sayle <roger@eyesopen.com>
16185 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
16186 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
16187 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
16188 as (X & C) ne/eq 0.
16190 2006-02-26 Roger Sayle <roger@eyesopen.com>
16192 PR middle-end/19983
16193 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
16195 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
16197 * opts.c (decode_options): Do not handle flag_strength_reduce.
16198 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
16199 and OPT_fstrength_reduce.
16200 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
16201 flag_prefetch_loop_arrays for being nonzero.
16202 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
16204 (fprefetch-loop-arrays-rtl): Removed.
16205 (flag_prefetch_loop_arrays): Do not specify the value.
16207 * doc/passes.texi: Update documentation of loop optimizer
16209 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
16210 -frerun-loop-opt): Remove.
16212 2006-02-26 Richard Guenther <rguenther@suse.de>
16214 PR tree-optimization/26421
16215 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
16216 in function calls that are ADDR_EXPRs as using the whole structure.
16218 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
16220 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
16221 * tree-pass.h (pass_loop_optimize): Remove.
16222 * passes.c (pass_loop_optimize): Never run it.
16223 * toplev.c (backend_init): Don't call init_loop.
16224 * opts.c (flag_loop_optimize_set): Remove.
16225 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
16226 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
16227 the old RTL loop optimizer when profiling enabled.
16228 * predict.c (tree_estimate_probability): Always strip builtin_expect.
16229 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
16230 pre-headers for the sake of the old RTL loop optimizer.
16231 * Makefile.in: Remove all references to loop.o.
16233 * doc/invoke.texi: Remove all references to -floop-optimize
16234 and -frerun-loop-opt.
16236 2006-02-26 Zack Weinberg <zackw@panix.com>
16238 * doc/md.texi (Machine Constraints): Refer to all files with paths
16239 relative to gcc directory (i.e. config/CPU/file). Add missing
16240 @table @code ... @end table to M32C subsection.
16242 2006-02-26 Roger Sayle <roger@eyesopen.com>
16244 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
16246 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
16248 2006-02-26 Roger Sayle <roger@eyesopen.com>
16249 James A. Morrison <phython@gcc.gnu.org>
16251 PR middle-end/21137
16252 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
16253 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
16254 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
16255 signedness of the shift operation.
16257 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
16259 PR tree-optimization/26359
16260 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
16262 2006-02-25 Roger Sayle <roger@eyesopen.com>
16264 * simplify-rtx.c (simplify_relational_operation_1): Simplify
16265 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
16266 as X == 0, and some symmetry related transformations.
16267 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
16269 2006-02-25 Roger Sayle <roger@eyesopen.com>
16271 PR middle-end/23673
16272 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
16273 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
16274 symmetry related transformations. Fold (X^C1) == C2 as
16277 2006-02-25 Juergen Weigert <jw@suse.de>
16278 Richard Guenther <rguenther@suse.de>
16280 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
16282 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
16284 * combine.c (gen_lowpart_or_truncate): Call
16285 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
16287 2006-02-24 Diego Novillo <dnovillo@redhat.com>
16289 * doc/invoke.texi: Move -fopenmp description to "Options for
16291 Remove reference to -lgomp.
16293 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16295 * doc/install.texi: Require GNU tar version 1.14.
16297 2006-02-24 Geoffrey Keating <geoffk@apple.com>
16299 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
16300 * doc/invoke.texi (C++ Dialect Options): Document
16301 -fno-use-cxa-get-exception-ptr.
16302 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
16303 * configure: Regenerate.
16304 * c.opt (fuse-cxa-get-exception-ptr): New.
16305 * c-opts.c (c_common_handle_option): Handle
16306 OPT_fuse_cxa_get_exception_ptr.
16307 * c-common.c (flag_use_cxa_atexit): Update documentation.
16308 (flag_use_cxa_get_exception_ptr): New.
16309 * c-common.h (flag_use_cxa_get_exception_ptr): New.
16310 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
16312 (C_COMMON_OVERRIDE_OPTIONS): New.
16314 2006-02-24 Roger Sayle <roger@eyesopen.com>
16316 PR middle-end/24952
16317 * combine.c (try_combine): Explicitly check whether GET_CODE is
16318 a SET or a CLOBBER, instead on checking that it isn't a USE.
16320 2006-02-24 Roger Sayle <roger@eyesopen.com>
16322 * fold-const.c (fold_comparison): New subroutine of fold_binary
16323 containing transformations common to both the equality and
16324 ordering relational operators, factored out of fold_binary.
16325 (fold_binary): Separate out the equality operators (EQ_EXPR
16326 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
16327 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
16328 transformations common to both.
16329 (fold_div_compare): Fix latent bugs in the previously unreachable
16330 LT_EXPR and GE_EXPR cases.
16332 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16334 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
16335 decl libname for clog to __clog on AIX.
16337 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
16339 2006-02-24 Alan Modra <amodra@bigpond.net.au>
16342 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
16343 output traceback table for thunks. Localise rs6000_stack_info call.
16345 2006-02-23 Roger Sayle <roger@eyesopen.com>
16346 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16348 * gthr-posix.h (__gthrw): Fix typo in comment.
16350 2006-02-23 Geoffrey Keating <geoffk@apple.com>
16352 * doc/cpp.texi (Character sets): Document that we do support
16353 input files to be in any character set.
16355 2006-02-23 Jeff Law <law@redhat.com>
16357 * tree.h (PHI_ARG_NONZERO): Remove.
16358 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
16359 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
16360 node to the new node.
16362 PR tree-optimization/26425
16363 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
16364 min/max, then assume its varying.
16366 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16368 PR rtl-optimization/26316
16369 * rtlanal.c (enum may_trap_p_flags): New.
16370 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
16371 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
16372 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
16373 (may_trap_after_code_motion_p): New function.
16374 * loop-invariant.c (find_identical_invariants): Fix dump formating.
16375 (find_invariant_insn): Use may_trap_after_code_motion_p.
16376 * rtl.h (may_trap_after_code_motion_p): Declare.
16378 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16380 * emit-rtl.c (immed_double_const): Cleanup.
16382 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
16384 Fix PR tree-optimization/26376
16385 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
16388 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16390 PR middle-end/26412
16391 * gimplify.c (omp_add_variable): Guard variable size decl test with
16392 DECL_SIZE (decl) check.
16394 2006-02-23 Richard Guenther <rguenther@suse.de>
16396 PR middle-end/26439
16397 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
16398 like aggregate types.
16400 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16402 * configure.ac: Add --with{,out}-long-double-128 configure option.
16403 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
16404 * configure: Rebuilt.
16405 * config.in: Rebuilt.
16406 * doc/install.texi (Options specification): Document
16407 --with-long-double-128.
16409 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16410 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16411 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16412 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16414 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
16416 * config/s390/s390.c (override_options): Handle
16417 TARGET_DEFAULT_LONG_DOUBLE_128.
16419 * config/alpha/alpha.c (override_options): Handle
16420 TARGET_DEFAULT_LONG_DOUBLE_128.
16422 * config/sparc/sparc.c (sparc_override_options): Handle
16423 TARGET_DEFAULT_LONG_DOUBLE_128.
16425 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
16427 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
16428 (real-install-headers-tar, real-install-headers-cpio)
16429 (real-install-headers-cp): New targets.
16431 2006-02-22 Richard Sandiford <richard@codesourcery.com>
16433 * tree.h (variable_section): Delete.
16434 * varasm.c (variable_section): Delete.
16436 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
16438 * install.texi: Add notes on install.texi2html.
16439 (Building in parallel): Do not use footnotes.
16441 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
16444 * doc/install.texi (Configuration): Document --disable-libgomp.
16446 2006-02-21 Geoffrey Keating <geoffk@apple.com>
16448 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
16450 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16452 * config/i386/sse.md (vec_extractv2df_1_sse): New.
16453 (vec_extractv2df_0_sse): New.
16455 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16457 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
16458 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
16459 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
16460 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
16461 to the result of the expression.
16462 (def_cfa_1): Adjust.
16463 (frame_pointer_cfa_offset): Rename to...
16464 (frame_pointer_fb_offset): ... this. Adjust all uses.
16465 (convert_cfa_to_loc_list): Rename to...
16466 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
16467 Pass it on to build_cfa_loc.
16468 (compute_frame_pointer_to_cfa_displacement): Rename to...
16469 (compute_frame_pointer_to_fb_displacement): ... this. New
16470 offset parameter. Use it in computation.
16471 (gen_subprogram_die): Compute cfa_fb_offset with the new
16472 macro, and use it to compute the fb loc list and the
16475 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
16477 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
16478 replaced with register_operand.
16479 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
16480 non-DREG is expensive.
16481 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
16482 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
16485 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
16487 * doc/install.texi2html: Use set -e.
16489 2006-02-21 Richard Sandiford <richard@codesourcery.com>
16491 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16492 (ASM_OUTPUT_SHARED_LOCAL): Delete.
16493 * doc/invoke.texi (-fshared-data): Delete.
16494 * common.opt (fshared-data): Delete.
16495 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
16496 (assemble_static_space): Remove #if 0 code.
16497 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16498 (ASM_OUTPUT_SHARED_LOCAL): Poison.
16499 * config/cris/cris.h: Remove FIXME.
16501 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
16503 * doc/sourcebuild.texi (Front End Directory): No more double-colon
16506 2006-02-21 Jakub Jelinek <jakub@redhat.com>
16508 PR middle-end/26379
16509 * combine.c (simplify_shift_const_1): Disable nested shifts
16510 optimization for vector shifts.
16512 2006-02-20 Roger Sayle <roger@eyesopen.com>
16514 PR tree-optimization/26361
16515 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
16516 of unsigned integer types.
16518 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
16520 * tree-chrec.c (eq_evolutions_p): New.
16521 * tree-chrec.h (eq_evolutions_p): Declared.
16522 * tree-data-ref.c: Fix formatting.
16523 (datadep_stats, dependence_stats): New.
16525 (print_direction_vector): New.
16526 (dump_data_dependence_relation): Use print_direction_vector.
16527 (object_analysis, create_data_ref): Handle COMPONENT_REF.
16528 (compute_subscript_distance): Static.
16529 (initialize_data_dependence_relation): Static. Get the number
16530 of loops surrounding the references from the callers, and initialize
16531 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
16532 base_object_differ_p analyzers.
16533 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
16534 compute_overlap_steps_for_affine_1_2,
16535 analyze_subscript_affine_affine): Count the classified dependences.
16536 Print a message when a test failed.
16537 (can_use_analyze_subscript_affine_affine): New.
16538 (analyze_siv_subscript): Compute the data dependences on symbolic
16539 scevs that verify can_use_analyze_subscript_affine_affine.
16540 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
16541 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
16542 Handle symbolic scevs.
16543 (analyze_overlapping_iterations): Let symbolic affine scevs to be
16545 (subscript_dependence_tester): Moved...
16546 (build_classic_dist_vector, build_classic_dir_vector): Don't use
16547 lambda_vector_clear on newly allocated vectors. Get nb_loops from
16548 DDR_SIZE_VECT instead of getting it in parameter.
16549 (subscript_dependence_tester): ... here. Take as a parameter
16550 loop_nest_depth. Call build_classic_dist_vector and
16551 build_classic_dir_vector.
16552 (compute_affine_dependence): Update subscript_dependence_tester
16553 parameters. Update datadep_stats counters. Call
16554 compute_subscript_distance.
16555 (compute_self_dependence): Save the dist and dir vectors. Call
16556 compute_subscript_distance.
16557 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
16558 (compute_all_dependences): Reorder parameters as they were before
16559 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
16560 compute_subscript_distance. Update the use of
16561 compute_affine_dependence and initialize_data_dependence_relation.
16562 (find_data_references_in_loop): Handle COMPONENT_REF.
16563 (compute_data_dependences_for_loop): Initialize dependence_stats.
16564 Don't call build_classic_dist_vector and build_classic_dir_vector.
16565 Update the parameters of initialize_data_dependence_relation and
16566 compute_all_dependences. Print the statistics from datadep_stats.
16567 (analyze_all_data_dependences): Static. Not used until the pass for
16568 checking the data dependences is contributed.
16569 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
16570 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
16571 (initialize_data_dependence_relation, compute_affine_dependence,
16572 analyze_all_data_dependences, compute_subscript_distance): Removed.
16573 (print_direction_vector): New.
16574 * lambda.h (gcd): ... here.
16575 (lambda_vector_gcd): Moved here from gcd_vector.
16576 * lambda-code.c (gcd, gcd_vector): Removed.
16577 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
16578 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
16580 2006-02-20 Diego Novillo <dnovillo@redhat.com>
16582 * ipa-type-escape.c: Tidy some comments and white space.
16583 * tree-ssa-operands.c: Likewise.
16585 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
16588 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
16589 (dump_decl_name): Do not walk the decl tree chains.
16590 * tree-pass.h (TDF_CHAIN): Remove.
16592 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16594 * Makefile.in (C): Remove
16596 (.PHONY): Remove C and PROTO
16598 2006-02-20 Roger Sayle <roger@eyesopen.com>
16600 PR middle-end/26236
16601 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
16602 deprecated CHAR_TYPE tree code.
16604 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16606 * configure.ac (target_list): Add install-info, dvi, html.
16607 * configure: Regenerate.
16609 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16610 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16611 treelang/Make-lang.in: Do not use double-colon rules.
16613 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16615 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16616 (TMT_USED_ALONE): New macro.
16617 * tree-pass.h (PROP_tmt_usage): New property.
16618 (TODO_update_tmt_usage): New todo.
16619 * tree-ssa-alias.c (updating_used_alone): New variable.
16620 (recalculate_used_alone): New function.
16621 (compute_may_aliases): Set updating_used_alone, call
16622 recalculate_used_alone.
16623 * tree-sra.c (pass_sra): Note that this pass destroys
16624 PROP_tmt_usage, and add TODO_update_tmt_usage.
16625 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16626 * tree-flow.h (updating_used_alone): Prototype.
16627 (recalculate_used_alone): Ditto.
16628 * passes.c (execute_todo): Add code to set updating_used_alone,
16629 and call recalculate.
16630 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16631 for clobber if used alone, and add assert to verify used_alone
16634 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16636 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16637 for non tls symbols added.
16638 (legitimize_address): Do nothing for PLUS expressions if one of the
16639 addends is a tls symbol reference.
16641 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16645 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16647 * Makefile.in (BOOTSTRAPPING): New.
16648 (quickstrap): New definition if BOOTSTRAPPING=yes.
16650 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16651 * configure.ac: Substitute all_selected_languages with the languages
16652 that were configured. For all the other variables except
16653 lang_specs_files, include all the languages in the tree.
16654 * configure: Regenerate.
16656 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16657 if there is one. Run the commands to run fixincludes in the same
16660 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16661 * doc/install.texi: Document exact conventions for searching target tools.
16662 Document --with-build-time-tools. Document toplevel bootstrap. Document
16663 something more about building an Ada cross-compiler. Don't list GNU Make
16664 requirements which affect all platforms.
16666 2006-02-19 Roger Sayle <roger@eyesopen.com>
16668 PR middle-end/19543
16669 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16670 only equivalent if the have both the same mode and precision.
16672 2006-02-20 Ben Elliston <bje@au.ibm.com>
16674 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16676 2006-02-19 Roger Sayle <roger@eyesopen.com>
16677 Steven Bosscher <stevenb.gcc@gmail.com>
16679 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16680 constant pool references to identify stack mode constants.
16681 * rtlanal.c (constant_pool_constant_p): New predicate to check
16682 whether operand is a floating point constant in the pool.
16683 * rtl.h (constant_pool_constant_p): Prototype here.
16684 * loop.c (scan_loop): Avoid hoisting constants from the constant
16685 pool on STACK_REGS targets.
16686 (load_mems): Likewise.
16687 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16688 loads into x87 registers expensive in terms of register pressure.
16690 2006-02-19 Roger Sayle <roger@eyesopen.com>
16692 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16693 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16695 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16697 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16698 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16700 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16702 * doc/invoke.texi: Document -fipa-pta.
16703 * common.opt: Add ipa-pta option.
16704 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16705 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16706 (do_ds_constraint): Ditto.
16707 (get_constraint_for): Only add to referenced_vars if
16708 referenced_vars exists.
16709 (insert_into_field_list): Rewrite to do this unsorted.
16710 (insert_into_field_list_sorted): Rename old insert_into_field_list
16712 (create_function_info_for): Use insert_into_field_list_sorted.
16713 (create_variable_info_for): Rewrite so it uses unsorted version,
16714 since the field list is sorted.
16715 (intra_create_variable_infos): Only add to referenced_vars if
16716 referenced_vars exists.
16717 (ipa_pta_execute): Init heapvars, and delete when done.
16718 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16720 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16722 * doc/install.texi: Add missing `@samp'.
16724 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16726 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16729 2006-02-18 Mark Wielaard <mark@klomp.org>
16731 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16732 who added new 4.1 features, bug fixes and integration support.
16734 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16737 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16738 MEM for ABI_V4 pic.
16740 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16742 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16743 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16744 (copy_insn_1): Likewise. Don't copy each field individually.
16746 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16748 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16749 * rtl.c (rtx_size): Rename variable to...
16750 (rtx_code_size): ...this.
16751 (rtx_size): New function.
16752 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16753 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16755 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16756 * rtl.h (rtx_code_size): New variable.
16757 (rtx_size): Change from a variable to a function.
16758 (RTX_SIZE): Rename to...
16759 (RTX_CODE_SIZE): ...this.
16762 PR tree-optimization/17106
16763 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16764 (Anchored Addresses): New section.
16765 * doc/invoke.texi (-fsection-anchors): Document.
16766 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16767 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16768 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16769 * hooks.c (hook_bool_mode_rtx_false): New function.
16770 * hooks.h (hook_bool_mode_rtx_false): Declare.
16771 * gengtype.c (create_optional_field): New function.
16772 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16773 SYMBOL_REF_IN_BLOCK_P is true.
16774 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16775 (min_anchor_offset, max_anchor_offset): Likewise.
16776 (use_anchors_for_symbol_p): New hook.
16777 * toplev.c (compile_file): Call output_object_blocks.
16778 (target_supports_section_anchors_p): New function.
16779 (process_options): Check that -fsection-anchors is only used on
16780 targets that support it and when -funit-at-a-time is in effect.
16781 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16782 if the decl doesn't have one.
16783 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16784 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16785 of force_const_mem through use_anchored_address.
16786 (expand_expr_constant): New function.
16787 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16788 calling expand_expr for INDIRECT_REF.
16789 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16790 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16791 * expr.h (use_anchored_address): Declare.
16792 * loop-unroll.c: Don't declare rtx vectors here.
16793 * explow.c: Include output.h.
16794 (validize_mem): Call use_anchored_address.
16795 (use_anchored_address): New function.
16796 * common.opt (-fsection-anchors): New switch.
16797 * varasm.c (object_block_htab, anchor_labelno): New variables.
16798 (hash_section, object_block_entry_eq, object_block_entry_hash)
16799 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16800 (use_blocks_for_decl_p, change_symbol_section): New functions.
16801 (get_variable_section): New function, split out from assemble_variable.
16802 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16803 use_blocks_for_decl_p say so. Use change_symbol_section if the
16804 symbol has already been created.
16805 (assemble_variable_contents): New function, split out from...
16806 (assemble_variable): ...here. Don't output any code for
16807 block symbols; just pass them to place_block_symbol.
16808 Use get_variable_section and assemble_variable_contents.
16809 (get_constant_alignment, get_constant_section, get_constant_size): New
16810 functions, split from output_constant_def_contents.
16811 (build_constant_desc): Create a block symbol if use_object_blocks_p
16812 says so. Or into SYMBOL_REF_FLAGS.
16813 (assemble_constant_contents): New function, split from...
16814 (output_constant_def_contents): ...here. Don't output any code
16815 for block symbols; just pass them to place_section_symbol.
16816 Use get_constant_section and get_constant_alignment.
16817 (force_const_mem): Create a block symbol if use_object_blocks_p and
16818 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
16819 (output_constant_pool_1): Add an explicit alignment argument.
16820 Don't switch sections here.
16821 (output_constant_pool): Adjust call to output_constant_pool_1.
16822 Switch sections here instead. Don't output anything for block symbols;
16823 just pass them to place_block_symbol.
16824 (init_varasm_once): Initialize object_block_htab.
16825 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
16826 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
16827 (place_block_symbol, get_section_anchor, output_object_block)
16828 (output_object_block_htab, output_object_blocks): New functions.
16829 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
16830 (TARGET_ASM_OUT): Include it.
16831 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
16832 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
16833 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
16834 (TARGET_INITIALIZER): Include them.
16835 * rtl.c (rtl_check_failed_block_symbol): New function.
16836 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
16837 (block_symbol, object_block): New structures.
16838 (rtx_def): Add a block_symbol field to the union.
16839 (BLOCK_SYMBOL_CHECK): New macro.
16840 (rtl_check_failed_block_symbol): Declare.
16841 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
16842 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
16843 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
16844 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
16845 * output.h (output_section_symbols): Declare.
16846 (object_block): Name structure.
16847 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
16848 (default_use_anchors_for_symbol_p): Declare.
16849 * Makefile.in (RTL_BASE_H): Add vec.h.
16850 (explow.o): Depend on output.h.
16851 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
16852 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16853 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16854 (rs6000_use_blocks_for_constant_p): New function.
16856 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16858 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
16860 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16863 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
16866 2006-02-18 Diego Novillo <dnovillo@redhat.com>
16868 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
16872 2006-02-18 Jakub Jelinek <jakub@redhat.com>
16874 PR middle-end/26334
16875 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
16876 instead of DECL_REGISTER.
16878 2006-02-18 Olivier Hainque <hainque@adacore.com>
16881 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
16883 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
16886 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
16887 * opth-gen.awk: Handle Var and InverseMask together.
16888 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
16889 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
16890 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
16891 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
16893 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16894 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16895 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
16896 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16897 LINUX_DYNAMIC_LINKER): Define.
16898 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
16899 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
16901 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16902 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
16903 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16904 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16905 (TARGET_C99_FUNCTIONS): Don't define.
16906 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
16907 GLIBC_DYNAMIC_LINKER.
16908 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
16909 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
16910 GLIBC_DYNAMIC_LINKER64): Define.
16911 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16912 LINUX_DYNAMIC_LINKER64.
16913 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16914 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16915 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
16916 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16917 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16918 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16919 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
16920 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
16921 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
16922 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
16923 and LINUX_DYNAMIC_LINKER32.
16924 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16925 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16926 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
16927 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16928 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
16930 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
16931 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
16932 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16933 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16934 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16935 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
16936 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
16937 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
16938 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16939 LINUX_DYNAMIC_LINKER): Define.
16940 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
16941 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
16942 GLIBC_DYNAMIC_LINKER64): Define.
16943 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16944 LINUX_DYNAMIC_LINKER64.
16945 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16946 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16947 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
16948 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16949 LINUX_DYNAMIC_LINKER): Define.
16950 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16951 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16952 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
16953 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
16954 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
16955 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16956 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
16957 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
16958 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16959 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16960 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16961 * doc/invoke.texi (-muclibc): Remove caveat about supported
16964 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
16966 * doc/cpp.texi (__TIMESTAMP__): Document.
16968 2006-02-17 Roger Sayle <roger@eyesopen.com>
16970 PR middle-end/25600
16971 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
16972 C is one less than the width of X (and related transformations).
16973 * simplify-rtx.c (simplify_unary_operation_1): Transform
16974 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
16975 depending on STORE_FLAG_VALUE, were C is one less then the
16978 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
16980 Fix PR tree-optimization/26341
16981 * tree-ssa-operands.c (add_virtual_operand): Remove assert
16982 about NAME_MEMORY_TAG's.
16984 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16987 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
16988 with hardware float support, and software float support. Add fcpy
16989 alternative to hardware patterns. Add alternatives to copy between
16990 general and floating-point registers to the 32-bit pattern.
16991 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
16992 secondary reload to load a QI or HI mode constant into a floating
16994 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
16995 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
16997 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
17000 * config/rs6000/darwin.md (load_macho_picbase_si): Add
17002 (load_macho_picbase_di): Likewise.
17004 2006-02-16 Jeff Law <law@redhat.com>
17006 * tree-vrp.c (set_value_range_to_nonnegative): New function.
17007 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
17008 (ssa_name_nonzero_p): Likewise.
17009 (get_value_range): Return NULL if VRP is not running.
17010 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
17011 VRP routines do not discover a range.
17012 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
17013 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
17014 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
17015 (tree_expr_nonnegative_p): Similarly.
17016 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
17017 (restore_nonzero_vars_to_original_value): Remove.
17018 (unsafe_associative_fp_binop): Remove.
17019 (tree_ssa_dominator_optimize): Remove initialization and
17020 finalization of nonzero_vars and nonzero_vars_stack.
17021 (dom_opt_initialize_block): No longer push marker on
17022 nonzero_vars_stack.
17023 (dom_opt_finalize_block): No longer call
17024 restore_nonzero_vars_to_original_value.
17025 (record_equivalences_from_phis): No longer look for
17026 nonzero PHI arguments.
17027 (cprop_into_successor_phis): No longer propagate nonzero
17028 property into PHI arguments. Lose unused argument. Caller
17030 (record_equivalences_from_stmt): No longer record nonzero
17031 values for SSA_NAMEs.
17032 (lookup_avail_expr): No longer use nonzero_vars.
17034 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
17035 for sizetype when sizetype is unsigned.
17037 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
17039 PR rtl-optimization/25603
17040 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
17041 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
17042 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
17043 with new meaning of SETS.
17045 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
17050 * config/linux.opt: New file.
17051 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
17052 LINUX_DYNAMIC_LINKER): Define.
17053 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
17054 * config.gcc (*-*-linux*): Define extra_options.
17055 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
17056 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
17057 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
17058 GLIBC_DYNAMIC_LINKER.
17059 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
17060 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17061 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17062 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17063 * doc/invoke.texi (GNU/Linux Options): New section.
17065 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
17067 * config/sparc/sparc.md (setjmp): Rewrite.
17068 (setjmp_32): Delete.
17069 (setjmp_64): Likewise.
17071 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
17073 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
17076 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17078 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
17081 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17083 PR rtl-optimization/26296
17084 * Makefile.in (loop-invariant.c): Add except.h dependency.
17085 * loop-invariant.c: Include except.h.
17086 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
17088 2005-02-16 Paul Brook <paul@codesourcery.com>
17090 * reload1.c (emit_reload_insns): Invalidate dead input registers used
17093 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
17095 PR rtl-optimization/25636
17096 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
17097 when deciding whether an insn is an initializing insn.
17099 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
17101 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
17102 (tree_code_size): Ditto.
17103 * tree.h (struct tree_memory_tag): Remove parent_var.
17104 (struct tree_struct_field_tag): New.
17107 (union tree_node): Add sft member.
17108 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
17110 (create_sft): Add size and offset argument, set SFT_OFFSET and
17112 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
17113 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
17114 * tree-flow-inline.h (get_subvar_at): Update for
17115 SFT_OFFSET/SFT_SIZE.
17116 (var_can_have_subvars): Ditto.
17117 (overlap_subvar): Ditto.
17118 * print-tree.c (print_node): Print out interesting things for
17120 * tree-flow.h (struct subvar): Remove offset and size members.
17121 * tree-ssa-operands.c (get_expr_operands): Update for
17122 get_indirect_ref_operands changes.
17123 (get_indirect_ref_operands): Call add_virtual_operand instead of
17124 add_stmt_operand. Only recurse on base var if requested.
17125 (access_can_touch_variable): New function.
17126 (add_stmt_operand): Split virtual operand handling into ...
17127 (add_virtual_operand): Here. Add offset, size, and for_clobber
17128 arguments. Prune alias sets.
17129 (add_call_clobber_ops): Call add_virtual_operand.
17131 2006-02-15 Jakub Jelinek <jakub@redhat.com>
17133 PR middle-end/26300
17134 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
17136 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
17137 than TREE_CODE as index into omp_clause_num_ops array.
17139 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
17141 PR rtl-optimization/26184
17142 * modulo-sched.c (generate_reg_moves): Free bitmap vector
17144 * modulo-sched.c (sms_schedule): Free g_arr pointer.
17145 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
17146 must_precede, must_follow and tobe_scheduled.
17149 * opts.c (common_handle_option): Free new_option pointer.
17150 * df-core.c (df_analyze): Free postorder pointer.
17152 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17154 * Makefile.in: Fix the examples about the use of stamps
17156 2006-02-15 Michael Matz <matz@suse.de>
17158 PR middle-end/22275
17160 * stor-layout.c (layout_decl): Zero-width bitfields aren't
17161 influenced by maximum_field_alignment or DECL_PACKED.
17162 (update_alignment_for_field): Ditto.
17163 (place_field): Ditto.
17164 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
17167 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
17169 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
17170 (debug_flow_info): Pass it.
17171 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
17172 * bb-reorder.c (reorder_basic_blocks): Likewise.
17173 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
17174 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
17175 * flow.c (life_analysis, recompute_reg_usage): Likewise.
17176 * gcse.c (gcse_main, bypass_jumps): Likewise.
17177 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
17178 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
17179 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
17180 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
17181 * rtl.h (dump_flow_info): Adjust prototype.
17182 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
17183 * var-tracking.c (variable_tracking_main): Likewise.
17184 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
17185 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
17188 2006-02-15 Marcin Dalecki <martin@dalecki.de>
17190 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
17193 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17195 PR tree-optimization/26209
17196 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
17197 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
17199 * tree-cfg.c (replace_uses_by): Do not alter cfg.
17201 2006-02-14 Roger Sayle <roger@eyesopen.com>
17203 PR middle-end/23670
17204 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
17205 (X,Y) and the corresponding symmetry related transformations.
17206 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
17207 (X,Y) and its symmetry related transformations.
17209 2006-02-14 Roger Sayle <roger@eyesopen.com>
17211 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
17214 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
17216 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
17218 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17221 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
17222 support COMDAT group.
17223 * configure: Regenerate.
17225 2006-02-14 Roger Sayle <roger@eyesopen.com>
17227 PR middle-end/26279
17228 PR middle-end/26280
17229 PR middle-end/26283
17230 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
17232 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
17234 Fix PR tree-optimization/26260
17236 * doc/invoke.texi (max-fields-for-field-sensitive): Document
17238 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
17239 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
17240 * tree-ssa-structalias.c (create_variable_info_for): Use
17241 MAX_FIELDS_FOR_FIELD_SENSITIVE.
17243 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17245 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
17247 * tree-ssa-loop-niter.c (number_of_iterations_ne,
17248 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
17249 of the ending condition.
17250 * tree-ssa-loop-manip.c: Include params.h.
17251 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
17252 tree_unroll_loop): New functions.
17253 * tree-pass.h (pass_loop_prefetch): Declare.
17254 * loop.c (rest_of_handle_loop_optimize): Test for
17255 -fprefetch-loop-arrays-rtl.
17256 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
17257 * timevar.def (TV_TREE_PREFETCH): New timevar.
17258 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
17259 pass_loop_prefetch): New.
17260 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
17261 (cleanup_tree_cfg_loop): Call scev_reset.
17262 * common.opt (fprefetch-loop-arrays-rtl): Add.
17263 * tree-ssa-loop-prefetch.c: New file.
17264 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
17265 (new_temp_expr_table): Initialize expr_vars.
17266 (free_temp_expr_table): Cleanup expr_vars.
17267 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
17268 expressions from being merged into one.
17269 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
17270 (struct tree_niter_desc): Add control, bound and cmp fields.
17271 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
17273 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
17274 (tree-cfgcleanup.o): Add SCEV_H dependency.
17275 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
17276 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
17278 2006-02-14 Richard Guenther <rguenther@suse.de>
17280 PR tree-optimization/26258
17281 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
17282 in PHI argument processing.
17284 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
17286 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
17287 new expression in the requested machine mode.
17289 2006-02-13 Roger Sayle <roger@eyesopen.com>
17291 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
17292 directly, instead let do_compare_rtx_and_jump handle this for us.
17293 * expr.c (expand_expr_real_1): Likewise.
17294 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
17295 before do_jump_by_parts_greater.
17296 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
17297 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
17299 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17301 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
17303 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17305 PR rtl-optimization/26235
17306 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
17307 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
17310 2006-02-13 Jeff Law <law@redhat.com>
17312 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
17315 2006-02-13 Jakub Jelinek <jakub@redhat.com>
17317 PR middle-end/26092
17318 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
17319 twice if decl is a builtin. When trying again, call get_callee_fndecl
17320 first to verify it is still a builtin.
17322 2006-02-13 Geoffrey Keating <geoffk@apple.com>
17324 * dwarf2out.c (base_type_die): Don't add AT_name here.
17325 (subrange_type_die): Don't add AT_name here.
17326 (modified_type_die): Rearrange code flow. Do add AT_name here.
17328 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17330 PR rtl-optimization/26247
17331 PR rtl-optimization/26248
17332 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
17334 2006-02-13 Richard Sandiford <richard@codesourcery.com>
17336 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
17337 * config/fixtfdi.c: Likewise.
17338 * config/fixunstfdi.c: Likewise.
17339 * config/floatditf.c: Likewise.
17341 2006-02-13 Roger Sayle <roger@eyesopen.com>
17343 PR middle-end/24427
17344 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
17345 into (X,C2) if C1 is a subset of the bits of C2. Transform
17346 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
17348 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
17350 2006-02-13 Josh Conner <jconner@apple.com>
17353 * varasm.c (function_section): Check for section name before
17354 calling select_section on targets that define
17355 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
17356 unlikely_text_section instead of hot_function_section if
17357 first_function_block_is_cold.
17359 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
17361 PR middle-end/25335
17362 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
17364 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17366 PR rtl-optimization/26222
17367 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
17368 after tree->rtl expansion.
17369 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
17370 before passing it to emit_move_insn.
17372 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
17374 * doc/invoke.texi (-Write-strings): Document that it is enabled by
17376 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
17377 Clarify documentation.
17378 * c-common.h (warn_write_strings): Remove.
17379 * c-common.c (warn_write_strings): Likewise.
17380 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
17383 2006-02-12 Roger Sayle <roger@eyesopen.com>
17385 PR middle-end/25724
17386 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
17387 (do_jump_parts_zero_rtx): New function renamed from
17388 do_jump_parts_equality_rtx. Made static. Add a mode argument.
17389 (do_jump_parts_equality_rtx): New function split out from
17390 do_jump_parts_equality. Old implementation renamed as above.
17391 Call do_jump_parts_zero_rtx if either operand is zero.
17392 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
17393 do all of the heavy lifting.
17394 (do_compare_rtx_and_jump): Handle multi-word comparisons by
17395 calling either do_jump_by_parts_greater_rtx or
17396 do_jump_by_parts_equality_rtx.
17397 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
17398 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
17399 moved to do_compare_rtx_and_jump, call it directly.
17400 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
17401 mode argument. Call do_compare_rtx_and_jump.
17402 (emit_case_nodes): Update calls to do_jump_if_equal.
17404 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17406 PR rtl-optimization/26225
17407 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
17409 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17411 PR rtl-optimization/26232
17412 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
17414 2006-02-11 Jason Merrill <jason@redhat.com>
17417 * tree-inline.c (declare_return_variable): Just don't use the
17418 modify target if it's a gimple complex reg and the return slot
17421 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17423 * doc/contrib.texi: Update my entry.
17425 2006-02-10 Geoffrey Keating <geoffk@apple.com>
17427 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
17429 2006-02-10 Diego Novillo <dnovillo@redhat.com>
17431 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
17434 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
17436 * doc/invoke.texi (-floop-optimize2): Removed.
17437 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
17438 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
17439 Test flag_branch_on_count_reg only if HAVE_doloop_end.
17440 * common.opt (floop-optimize2): Removed.
17441 (fmove-loop-invariants): Enabled by default.
17443 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
17445 * tree-if-conv.c (combine_blocks): Free the result of
17446 get_loop_exit_edges.
17448 2006-02-10 Jeff Law <law@redhat.com>
17450 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
17452 PR tree-optimization/26213
17453 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
17454 loop trying to follow SSA_NAME_VALUE chains.
17456 2006-02-10 Richard Guenther <rguenther@suse.de>
17458 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
17459 deal with structures that end in implicitly variable sized arrays.
17461 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17463 PR rtl-optimization/24762
17464 * df-scan.c (df_bb_refs_record): Record correct registers defined on
17467 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17469 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
17470 (struct ivopts_data): Add regs_used field.
17471 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
17472 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
17473 instead of loop_data->regs_used;
17474 (free_loop_data): Do not free aux fields for loops.
17475 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
17476 and tree_ssa_iv_optimize_finalize.
17478 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
17480 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
17482 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17485 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
17486 computing the effective result type.
17488 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17490 PR inline-asm/16194
17491 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
17492 (tree_overlaps_hard_reg_set): Declare.
17493 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
17494 type and signature to match function type expected by walk_tree.
17495 (tree_overlaps_hard_reg_set): New function.
17496 (decl_conflicts_with_clobbers_p): Rename to:
17497 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
17498 Use tree_overlaps_hard_reg_set. Changed caller.
17499 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
17500 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
17501 * cris.c (cris_md_asm_clobbers): Likewise.
17503 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
17505 * reload1.c (emit_input_reload_insns): Delete code that tries to
17506 inherit using find_equiv_reg.
17508 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
17510 * c-common.h (flag_const_strings): Don't declare.
17511 * c-common.c (flag_const_strings): Remove.
17512 * c.opt (fconst_strings): Remove.
17513 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
17514 <OPT_Wwrite_strings>: Don't set flag_const_strings.
17515 (c_common_init_options): Don't set flag_const_strings.
17516 * doc/invoke.texi (-fno-const-strings): Remove documentation.
17518 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
17520 * arm.md (tlobits_cbranch): New pattern.
17521 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
17522 testing a single bit.
17524 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17527 * tree-ssa-pre.c (create_component_ref_by_pieces):
17528 Handle RETURN_DECL like VAR_DECL.
17530 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17532 PR middle-end/26134
17533 * fold-const.c (fold_indirect_ref_1): Fold
17534 "*(foo *)&complexfoo" to "__real__ complexfoo"
17535 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
17537 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17539 * tree-flow-inline.h (var_can_have_subvars):
17540 Volatile variables should not have subvariables.
17542 2006-02-09 Diego Novillo <dnovillo@redhat.com>
17545 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
17546 multiplying unsigned values.
17549 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
17551 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
17553 2006-02-08 Jason Merrill <jason@redhat.com>
17556 * tree.def: Elaborate on difference from MODIFY_EXPR.
17557 * doc/c-tree.texi (INIT_EXPR): Likewise.
17558 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
17559 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
17560 (gimplify_target_expr): Likewise.
17561 (gimplify_cond_expr): Remove target handling.
17562 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
17563 (gimplify_expr): Clobber it here.
17564 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
17565 Do return slot optimization if we have an INIT_EXPR.
17568 * tree-inline.c (declare_return_variable): Also clear
17569 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
17572 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
17574 PR middle-end/22439
17575 * gimplify.c (gimplify_one_sizepos): Fix typo.
17577 2006-02-08 Jeff Law <law@redhat.com>
17579 PR tree-optimization/21417
17580 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
17581 across a backedge if the control statement at the end of the
17582 block is data dependent on other statements in the same block.
17583 (record_temporary_equivalences_from_stmts): Remove over-conservative
17584 test for threading across backedges.
17586 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
17587 control statement, handle all three special cases in the same
17588 manner as they all have the same desired solution. No longer
17589 special case edge flag updating when the post dominator is
17592 2006-02-08 Roger Sayle <roger@eyesopen.com>
17594 * tree.def (CHAR_TYPE): Remove.
17595 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
17596 * dwarf2out.c (base_type_die, is_base_type): Likewise.
17597 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
17598 (gen_string_type_die): Delete unreachable function.
17600 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
17601 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
17602 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17603 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17604 * builtins.c (type_to_class): Likewise.
17605 * fold-const.c (fold_convert, build_range_check,
17606 merge_ranges): Likewise.
17607 * expr.c (count_type_elements): Likewise.
17608 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17609 * stor-layout.c (layout_type): Likewise.
17610 * ipa-type-escape.c (type_to_consider): Likewise.
17611 * gimplify.c (omp_firstprivatize_type_sizes,
17612 gimplify_type_sizes): Likewise.
17613 * explow.c (promote_mode): Likewise.
17614 * tree-sra.c (is_sra_scalar_type): Likewise.
17615 * varasm.c (output_constant): Likewise.
17616 * tree-inline.c (remap_type_1): Likewise.
17617 * convert.c (convert_to_pointer, convert_to_real,
17618 convert_to_integer, convert_to_complex): Likewise.
17620 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17622 * df-scan.c (df_def_record_1): A set destination may
17623 be a parallel regardless of mode.
17625 2006-02-08 Roger Sayle <roger@eyesopen.com>
17628 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17629 * config/mips/_tilib.c: Remove.
17630 * config/fixtfdi.c: New libgcc source file.
17631 * config/fixunstfdi.c: New source file.
17632 * config/floatditf.c: New source file.
17633 * config/floatunditf.c: New souce file.
17634 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17635 files above instead of config/mips/_tilib.c.
17636 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17638 2006-02-08 Jeff Law <law@redhat.com>
17640 PR tree-optimization/26169
17641 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17644 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17646 * df.h (DF_REG_SIZE): Return the length of the initialized
17649 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17651 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17652 __muldf3): Return a correctly signed zero.
17654 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17656 * passes.c (register_one_dump_file): Accept the current properties
17657 instead of pass number. Adjust call to dump_register. Remove
17659 (register_dump_files): Now a wrapper around...
17660 (register_dump_files_1): ... this one. Do not modify the pass
17662 (next_pass_1): Cosmetic fix.
17663 (execute_todo): Keep second parameter only. Use curr_properties
17664 instead of fetching it from the pass structure. Check and set
17666 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17667 instead of fetching it from the pass structure. Fix calls to
17668 execute_todo. Update curr_properties and initialize .vcg RTL dump
17669 after running the pass. Reset last_verified.
17670 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17672 (FIRST_AUTO_NUMBERED_DUMP): New.
17673 (dump_register): Remove "num" parameter, assign it within the
17675 (get_dump_file_name): Modify template for dumps.
17676 * tree-dump.h (dump_register): Adjust prototype.
17677 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17678 (PROP_trees): Add PROP_gimple_lomp.
17679 (TODO_set_props): New.
17680 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17681 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17682 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17684 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17686 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17687 (sparc64-*-linux*): Likewise.
17688 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17689 * config/sparc/t-linux: New file.
17690 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17691 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17692 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17693 -m32 -mlong-double-128.
17695 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17696 * config/alpha/t-linux: New file.
17697 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17699 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17700 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17701 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17702 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17703 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17704 (CPP_ARCH32_SPEC): Remove.
17706 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17708 PR tree-optimization/26145
17709 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17712 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17715 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17716 >= 240000 when generating code for SOM runtime.
17717 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17718 to $$dyncall when generating code for SOM runtime..
17720 2006-02-07 Dirk Mueller <dmueller@suse.com>
17723 * doc/invoke.texi (-Wsequence-point): Update documentation
17724 that -Wsequence-point is implemented for C++ as well.
17726 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17728 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17729 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17730 (LIB_SPEC): Likewise.
17731 * doc/invoke.texi (SPARC options): Document -pthread.
17733 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17735 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17738 2006-02-07 Roger Sayle <roger@eyesopen.com>
17740 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17741 Correct comment describing BOOLEAN_TYPE.
17743 2006-02-07 Dirk Mueller <dmueller@suse.com>
17745 * c.opt: C++ frontend supports -Wdiv-by-zero.
17746 * c-opts.c (c_common_handle_option): Remove dead case.
17748 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17750 * configure.ac (TLS assembler check): Do not enable TLS by
17751 default on SPARC/Solaris before version 10.
17752 * configure: Regenerate.
17754 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17756 * doc/invoke.texi (xl-compat): Document conversion and support
17759 2006-02-07 Jeff Law <law@redhat.com>
17761 * tree-vrp.c (find_conditional_asserts): Update comments.
17762 (simplify_stmt_for_jump_threading): New.
17763 (identify_jump_threads, finalize_jump_threads): New.
17764 (vrp_finalize): Call identify_jump_threads.
17765 (execute_vrp): Call finalize_jump_threads.
17766 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17767 (vrp_element, vrp_data, vrp_element_p): Remove.
17768 (vrp_hash_elt, vrp_variables_stack): Remove.
17769 (vrp_hash, vrp_eq, record_range): Remove.
17770 (simplify_cond_and_lookup_avail_expr): Remove.
17771 (extract_range_from_cond): Remove.
17772 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17773 (simplify_stmt_for_jump_threading): New.
17774 (dom_thread_across_edge): New wrapper.
17775 (tree_ssa_dominator_optimize): No longer initialize or
17776 finalize any of the VRP datastructures. Remove iteration
17777 step and simplify as a result of removal of iteration step.
17778 (pass_dominator): Perform a cfg cleanup after DOM.
17779 (dom_opt_finalize_block): Use the new common routines
17780 for threading jumps. Simplify stack management slightly.
17781 No longer need to unwind VRP state.
17782 (record_equivalences_from_incoming_edge): No longer record
17784 (eliminate_redundant_computations): No longer call
17785 simplify_cond_and_lookup_avail_expr.
17786 * tree-flow.h (potentially_threadable_block): Prototype.
17787 (thread_across_edge): Likewise.
17788 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17789 (tree-ssa-threadedge.o): Add dependencies.
17790 * tree-ssa-threadedge.c: New file.
17791 * passes.c (init_optimization_passes): Merge PHIs before
17792 calling VRP. Run VRP again late in the SSA optimization pipeline.
17794 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17796 * df-core.c (df_set_blocks): Do not dereference function pointers.
17797 (df_finish1): Likewise.
17798 (df_hybrid_search_forward): Likewise.
17799 (df_hybrid_search_backward): Likewise.
17800 (df_iterative_dataflow): Likewise.
17801 (df_analyze_problem): Likewise.
17802 (df_compact_blocks): Likewise.
17803 (df_dump): Likewise.
17804 * df-scan.c (df_rescan_blocks): Likewise.
17805 (df_record_entry_block_defs): Likewise.
17807 * genconditions.c (write_conditions): Guard the definition of
17808 'insn_conditions' with the check on GCC version.
17809 (write_writer): Guard the traversal 'insn_conditions' with
17810 the check on GCC version.
17812 2006-02-07 Richard Guenther <rguenther@suse.de>
17816 2006-01-30 Richard Guenther <rguenther@suse.de>
17818 * gimplify.c (gimplify_target_expr): Handle easy cases
17819 without creating a temporary.
17821 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
17823 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
17824 use of float in probability computations. Use edge probabilities
17825 in place of statically computed probabilities.
17826 (min_spec_prob): New static variable.
17827 (schedule_insns): Initialize it.
17828 (GET_SRC_PROB): Removed.
17829 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
17831 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
17834 * config/ia64/unwind-ia64.c: Revert last change.
17835 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
17836 (INCOMING_FRAME_SP_OFFSET): Define.
17838 2006-02-06 Roger Sayle <roger@eyesopen.com>
17840 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
17842 2006-02-07 Ben Elliston <bje@au.ibm.com>
17844 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
17845 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
17846 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
17847 (ix86_return_in_memory): Handle TDmode.
17848 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
17849 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
17851 2006-02-06 Richard Sandiford <richard@codesourcery.com>
17853 * reorg.c (dbr_schedule): Use dump_file instead of file.
17855 2006-02-06 Steve Ellcey <sje@cup.hp.com>
17858 * config/ia64/predicates.md (extr_len_operand): New predicate.
17859 * config/ia64/ia64.md (extv): Tighten constraints.
17861 (*tbit_and_2): Ditto.
17862 (*tbit_and_3): Ditto.
17863 (*tbit_or_2): Ditto.
17864 (*tbit_or_3): Ditto.
17865 (*bit_zero): Ditto.
17868 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
17871 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
17873 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
17875 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
17876 loop_optimizer_init and loop_optimizer_finalize
17877 * tree-ssa-sink.c (execute_sink_code): Ditto.
17878 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17879 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
17880 tree_ssa_loop_done): Ditto.
17881 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
17882 * sched-ebb.c: Include output.h.
17883 (schedule_ebbs): Do not use dump argument.
17884 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
17885 * loop.c (loop_dump_stream): Removed.
17886 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
17888 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
17889 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
17890 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
17891 loop_iterations, strength_reduce, record_biv, record_giv,
17892 final_giv_value, check_final_value, check_ext_dependent_givs,
17893 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
17894 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
17895 dump_file instead of loop_dump_stream.
17896 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
17897 argument dump_file.
17898 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
17900 * flow.c (life_analysis, rest_of_handle_life): Ditto.
17901 * haifa-sched.c: Include output.h
17902 (schedule_insns, sched_init): Do not use dump argument.
17903 * mode-switching.c (optimize_mode_switching): Ditto.
17904 * modulo-sched.c (stats_file): Removed.
17905 (print_node_sched_params): Do not call argument dump_file.
17906 (sms_schedule_by_order, loop_canon_p, sms_schedule,
17907 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
17909 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
17911 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
17912 rtl_loop_init, rtl_loop_done): Ditto.
17913 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
17914 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
17916 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
17917 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
17918 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
17919 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
17920 * emit-rtl.c (renumber_insns): Ditto.
17921 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
17922 expand_gimple_basic_block, tree_expand_cfg): Ditto.
17923 * regclass.c (regclass): Ditto.
17924 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
17925 remove_ssa_form, rewrite_out_of_ssa): Ditto.
17926 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
17927 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
17929 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
17930 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
17932 * gcse.c (gcse_file, debug_stderr): Removed.
17933 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
17934 rest_of_handle_gcse): Do not use dump argument.
17935 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
17936 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
17937 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
17938 compute_code_hoist_vbeinout, compute_code_hoist_data,
17939 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
17940 compute_store_table, build_store_vectors, insert_insn_start_bb,
17941 insert_store, remove_reachable_equiv_notes, replace_store_insn,
17942 store_motion): Use dump_file instead of gcse_file.
17943 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
17944 * profile.c (profile_dump_file): Removed.
17945 (branch_prob): Use dump_file instead of profile_dump_file.
17946 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
17948 * tree-ssa-copy.c (dump_copy_of): Ditto.
17949 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
17950 dump file to life_analysis.
17951 * bt-load.c (branch_target_load_optimize): Ditto.
17952 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
17954 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
17955 regclass, dbr_schedule): Declaration changed.
17956 * sched-int.h (sched_init): Declaration changed.
17957 * tree-profile.c (tree_profile_dump_file): Removed.
17958 (tree_profile_hooks): Removed profile_dump_file hook.
17959 * rtl-profile (rtl_profile_dump_file): Removed.
17960 (rtl_profile_hooks): emoved profile_dump_file hook.
17961 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
17963 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
17964 * tree-cfg.c (build_tree_cfg): Ditto.
17965 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
17966 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
17967 Declaration changed.
17968 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
17969 life_analysis and schedule_insns.
17970 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
17972 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
17974 * config/mips/mips.c (mips_reorg): Ditto.
17975 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
17978 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
17980 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17981 (s390_mangle_fundamental_type): New.
17982 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17985 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17986 (alpha_mangle_fundamental_type): New.
17987 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17990 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17992 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17994 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17995 (sparc_mangle_fundamental_type): New.
17997 2006-02-06 Jakub Jelinek <jakub@redhat.com>
17999 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
18000 (s390x-*-linux*): Likewise.
18001 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
18002 * config/s390/t-linux: New file.
18004 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18006 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
18007 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
18009 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
18011 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
18012 (ANTIC_SAFE_LOADS): New macro.
18013 (find_or_generate_expression): Add prototype.
18014 (set_contains_value): Allow null set for sake of not always having
18015 to allocate ANTIC_SAFE_LOADS.
18016 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
18017 Allow COMPONENT_REF too.
18018 (valid_in_set): Allow COMPONENT_REF.
18019 Check ANTIC_SAFE_LOADS too.
18020 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
18021 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
18023 (can_PRE_operation): Add COMPONENT_REF.
18024 (create_component_ref_by_pieces): New function.
18025 (create_expression_by_pieces): Use create_component_ref_by_pieces.
18026 (insert_aux): Move AGGREGATE_TYPE_P check here.
18027 (compute_avail): Set bb local stmt uids.
18028 (pass_pre): Use TODO_update_ssa_only_virtuals.
18030 2006-02-06 Ben Elliston <bje@au.ibm.com>
18032 * configure.ac: Unconditionally disable decimal float by default.
18033 * configure: Regenerate.
18035 2006-02-06 Ben Elliston <bje@au.ibm.com>
18037 * read-rtl.c (read_name): Terminate reading on EOF.
18039 2006-02-06 Ben Elliston <bje@au.ibm.com>
18041 * dfp.c (decimal_real_arithmetic): Change second argument type
18042 from int to enum tree_code. Do not always return true, but now
18043 return result of any call to decimal_do helper functions.
18044 * dfp.h (decimal_real_arithmetic): Update prototype.
18046 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
18048 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
18050 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
18053 * tree-cfg.c (cleanup_dead_labels): Also don't remove
18056 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18058 * tree-vrp.c (cfg_loops): Removed.
18059 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
18060 Use current_loops instead of cfg_loops. Pass flags to
18061 loop_optimizer_init.
18062 * cfgloopmanip.c (fix_loop_structure): Update only available
18064 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
18065 loop_optimizer_init.
18066 * modulo-sched.c (build_loops_structure): Removed.
18067 (sms_schedule): Use loop_optimizer_init.
18068 * loop-init.c (loop_optimizer_init): Use flags to determine
18069 which properties of loops to prepare.
18070 (rtl_loop_init): Pass flags to loop_optimizer_init.
18071 * tree-ssa-sink.c (execute_sink_code): Ditto.
18072 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
18073 * tree-ssa-pre.c (init_pre): Ditto.
18074 * cfgloop.h (LOOPS_NORMAL): New.
18075 (loop_optimizer_init): Declaration changed.
18077 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18079 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
18080 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
18082 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
18084 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
18086 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
18087 * pa/t-pa64: Delete quadlib.c rule.
18088 * pa/x-ada: Revert last change.
18089 * pa/t-pa: Revert last change. Delete quadlib.c rule.
18091 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18093 PR rtl-optimization/26087
18094 * rtlanal.c (canonicalize_condition): Do not cross basic block
18097 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
18100 * config/ia64/ia64.c: Include debug.h.
18101 (MAX_ARTIFICIAL_LABEL_BYTES): New.
18102 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
18103 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
18104 (process_epilogue, process_set, process_for_unwind_directive):
18105 Output unwind info only if requested. Add CFA info if requested.
18106 Add new arguments as needed. Adjust callers.
18107 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
18109 (DWARF2_FRAME_INFO): Define to zero.
18110 * config/ia64/unwind-ia64.c: Remove code that compensated for
18111 the CFA offset error fixed above.
18112 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
18113 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
18114 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
18115 -funwind-tables and -fexceptions to enable frame info.
18116 (dwarf2out_frame_init): Define initial CFA even if
18117 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
18118 DWARF2_UNWIND_INFO is nonzero, not just defined.
18119 (dwarf2out_frame_finish): Output non-EH call frame info only
18120 if DWARF2_FRAME_INFO is nonzero.
18121 (convert_cfa_to_loc_list,
18122 compute_frame_pointer_to_cfa_displacement): Define even if
18123 unwind info is not supported.
18124 (gen_subprogram_die): Use the above unconditionally. Remove
18125 legacy alternate code.
18126 * toplev.c (compile_file): Compile in call to
18127 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
18128 (lang_dependent_init): Ditto for dwarf2out_frame_init.
18130 2006-02-04 David Edelsohn <edelsohn@gnu.org>
18131 Jakub Jelinek <jakub@redhat.com>
18133 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
18134 IBM extended float format long double as "g" on powerpc*-linux.
18136 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18139 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
18140 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
18142 2006-02-03 Jason Merrill <jason@redhat.com>
18145 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
18147 PR middle-end/25977
18148 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
18149 on the return slot if it's an NRV.
18151 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
18153 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
18154 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
18155 rewrite_use): Do not handle USE_OUTER.
18156 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
18157 add_iv_outer_candidates, may_replace_final_value,
18158 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
18159 (find_interesting_uses_op): Functionality of
18160 find_interesting_uses_outer_or_nonlin moved here.
18161 (find_interesting_uses_outside): Use find_interesting_uses_op.
18163 2006-02-03 Alan Modra <amodra@bigpond.net.au>
18166 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
18168 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
18169 Ulrich Weigand <uweigand@de.ibm.com>
18172 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
18173 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
18174 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
18175 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
18177 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
18178 (s390_rtx_costs): Use the new fields to calculate rtx costs.
18179 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
18180 Define secondary reloads for TFmode moves.
18181 (constant_modes): Add TFmode.
18182 (NR_C_MODES): Set to 8.
18183 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
18185 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
18186 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
18187 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
18188 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
18189 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
18190 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
18191 (FPR mode macro): Add TFmode.
18192 (DSF mode macro): New.
18193 (<de>, <dee> mode attributes): Removed.
18194 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
18195 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
18196 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
18197 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
18198 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
18199 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
18200 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
18201 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
18202 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
18203 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
18204 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
18205 "*negabs<mode>2", "sqrt<mode>2"):
18206 Changed <de> to <xde>. R constraint replaced by <Rf>.
18207 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
18209 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
18210 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
18211 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
18213 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
18214 "extenddftf2", "extendsftf2"): New expanders.
18215 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
18216 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
18217 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
18218 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
18220 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
18221 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
18222 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
18223 __floatditf): Add a GCC_4.1.0 symbol version tag.
18224 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
18227 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
18230 * config/i386/i386.c (ix86_function_ok_for_sibcall):
18231 Use targetm.binds_local_p instead of TREE_PUBLIC.
18233 2006-02-02 Roger Sayle <roger@eyesopen.com>
18235 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
18236 on INTEGER_TYPEs to indicate that it denotes a character type.
18237 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
18238 signed_char_type_node, unsigned_char_type_node and char_type_node.
18239 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
18240 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
18241 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
18243 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
18244 Daniel Berlin <dberlin@dberlin.org>
18246 * tree-tailcall.c (arg_needs_copy_p): New function.
18247 (eliminate_tail_call): Use arg_needs_copy_p.
18248 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
18249 (add_virtual_phis): New function.
18251 2006-02-02 Jakub Jelinek <jakub@redhat.com>
18253 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
18254 #ignore instead of #scratch for %g7 .register directive.
18256 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
18258 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
18261 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18263 * flow.c (calculate_global_regs_live): Assert that there aren't any
18266 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
18268 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
18269 what its name says.
18270 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
18271 bsi_after_labels iterator.
18272 * tree-if-conv.c (find_phi_replacement_condition,
18273 replace_phi_with_cond_modify_expr): Likewise.
18274 * tree-scalar-evolution.c (scev_const_prop): Likewise.
18275 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
18277 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18279 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
18281 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18284 * tree-cfg.c (move_block_to_fn): Clear out the basic block
18285 array after growing it.
18287 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18289 PR middle-end/24901
18290 * fold-const.c (fold_checksum_tree): Change type of buf.
18292 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
18294 * reload.c (push_secondary_reload): Initialize t_icode.
18296 2006-02-01 Jakub Jelinek <jakub@redhat.com>
18298 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
18299 -msoft-float -mlong-double-128 only issue a warning, but don't
18300 swich to DFmode long double.
18302 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
18304 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
18305 has a constant equivalent, iterate over equivalents for arg0,
18306 calling simplify_relational_operation and if there's a result
18307 cheaper than X, apply fold_rtx and return the result.
18309 2006-02-01 Jan Hubicka <jh@suse.cz>
18311 * opts.c (no_unit_at_a_time_default): New global variable.
18312 (decode_options): Use it.
18313 * opts.h (no_unit_at_a_time_default): Declare.
18315 2006-02-01 Paul Brook <paul@codesourcery.com>
18317 * function.c (assign_parm_setup_reg): Use function argument promotion
18319 * expr.c (expand_expr_real_1): Use function argument promotion rules
18322 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18324 * gcc.c (process_command): Change j to 'unsigned int'.
18326 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18328 PR middle-end/26001
18329 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
18330 Use the corrected index for the character
18331 out of the string constant.
18333 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18335 * mode-switching.c (optimize_mode_switching): Fix size
18336 allocated for bb_info[n_entities].
18338 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18340 * gcc.c (main): Correct type that is allocated for
18341 explicit_link_files.
18343 2006-01-31 Jakub Jelinek <jakub@redhat.com>
18345 * config/s390/s390.c (init_alignment_context): Set
18346 ALIAS_SET_MEMORY_BARRIER on the MEM.
18347 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
18349 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
18351 PR middle-end/25933
18352 * loop-unroll.c (unroll_loop_runtime_iterations): Free
18354 * tree-ssa-live.c (type_var_init): Allocate bitmap after
18357 2006-01-31 Marcin Dalecki <martin@dalecki.de>
18359 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
18360 * regrename.c: Ditto.
18361 * tree-ssa-loop-im.c: Ditto.
18362 * tree-dump.c: Ditto.
18363 * tree-complex.c: Ditto.
18364 * genrecog.c: Ditto.
18365 * tree-ssa-threadupdate.c: Ditto.
18367 * java/class.c: Ditto.
18368 * java/jcf-parse.c: Ditto.
18369 * java/resource.c: Ditto.
18370 * java/except.c: Ditto.
18371 * java/jvspec.c: Ditto.
18372 * java/jcf-write.c: Ditto.
18373 * java/jcf-path.c: Ditto.
18374 * java/gjavah.c: Ditto.
18375 * java/zextract.c: Ditto.
18376 * java/jcf-io.c: Ditto.
18377 * java/jcf.h: Ditto.
18378 * java/buffer.c: Ditto.
18379 * java/lang.c: Ditto.
18380 * java/parse-scan.y: Ditto.
18381 * java/lex.c: Ditto.
18382 * java/lex.h: Ditto.
18383 * cfgloopmanip.c: Ditto.
18384 * postreload-gcse.c: Ditto.
18385 * tree-ssa-loop-manip.c: Ditto.
18386 * postreload.c: Ditto.
18387 * tree-ssa-loop-ch.c: Ditto.
18390 * cppspec.c: Ditto.
18391 * diagnostic.c: Ditto.
18393 * genoutput.c: Ditto.
18395 * cfghooks.c: Ditto.
18396 * cfgloopanal.c: Ditto.
18397 * objc/objc-act.c: Ditto.
18399 * genextract.c: Ditto.
18400 * genautomata.c: Ditto.
18401 * pretty-print.c: Ditto.
18402 * genemit.c: Ditto.
18403 * cgraphunit.c: Ditto.
18405 * df-scan.c: Ditto.
18406 * haifa-sched.c: Ditto.
18407 * dominance.c: Ditto.
18409 * tree-ssa-loop-ivopts.c: Ditto.
18410 * df-core.c: Ditto.
18411 * mode-switching.c: Ditto.
18412 * modulo-sched.c: Ditto.
18414 * ipa-pure-const.c: Ditto.
18416 * fix-header.c: Ditto.
18418 * tree-stdarg.c: Ditto.
18419 * ipa-utils.c: Ditto.
18420 * loop-init.c: Ditto.
18421 * ipa-inline.c: Ditto.
18422 * cfganal.c: Ditto.
18424 * alloc-pool.c: Ditto.
18425 * dwarf2out.c: Ditto.
18427 * genattrtab.c: Ditto.
18428 * tree-ssa-loop-ivcanon.c: Ditto.
18429 * predict.c: Ditto.
18430 * timevar.c: Ditto.
18432 * fortran/gfortranspec.c: Ditto.
18433 * regmove.c: Ditto.
18434 * local-alloc.c: Ditto.
18435 * langhooks.c: Ditto.
18436 * function.c: Ditto.
18437 * tree-vectorizer.c: Ditto.
18439 * ipa-type-escape.c: Ditto.
18441 * tree-if-conv.c: Ditto.
18442 * profile.c: Ditto.
18444 * tree-data-ref.c: Ditto.
18445 * loop-unroll.c: Ditto.
18446 * treelang/treetree.c: Ditto.
18448 * bt-load.c: Ditto.
18449 * ggc-common.c: Ditto.
18451 * coverage.c: Ditto.
18453 * tree-cfgcleanup.c: Ditto.
18454 * tree-ssa-pre.c: Ditto.
18455 * cfgcleanup.c: Ditto.
18456 * loop-invariant.c: Ditto.
18457 * loop-iv.c: Ditto.
18458 * ipa-prop.c: Ditto.
18459 * print-tree.c: Ditto.
18460 * conflict.c: Ditto.
18461 * ggc-page.c: Ditto.
18462 * sched-deps.c: Ditto.
18463 * regclass.c: Ditto.
18464 * tree-object-size.c: Ditto.
18465 * combine.c: Ditto.
18466 * bb-reorder.c: Ditto.
18467 * resource.c: Ditto.
18468 * var-tracking.c: Ditto.
18469 * cfgloop.c: Ditto.
18470 * df-problems.c: Ditto.
18471 * reg-stack.c: Ditto.
18473 * gccspec.c: Ditto.
18474 * sched-rgn.c: Ditto.
18475 * tree-ssa-structalias.c: Ditto.
18476 * tree-ssa-reassoc.c: Ditto.
18477 * config/darwin-c.c: Ditto.
18478 * config/darwin.c: Ditto.
18479 * config/arm/arm.c: Ditto.
18481 * collect2.c: Ditto.
18482 * reload1.c: Ditto.
18484 2006-01-31 Nicolas Pitre <nico@cam.org>
18486 * arm.md (smaxsi3): Make aware of smax_m1.
18489 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
18491 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
18493 2006-01-31 Richard Guenther <rguenther@suse.de>
18495 * doc/invoke.texi (-msselibm): Document.
18496 * target.h (expand_library_builtin): New target hook.
18497 * builtins.c (expand_builtin): Use expand_library_builtin.
18498 (default_expand_library_builtin): New function.
18499 * gcc.c (LINK_GCC_MATH_SPEC): Define.
18500 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
18501 (link_gcc_math_spec): Declare.
18502 (static_specs): Add link_gcc_math_spec.
18503 * expr.h (default_expand_library_builtin): Declare.
18504 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18505 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
18506 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
18507 * config/i386/i386.opt (msselibm): New target option.
18508 * config/i386/i386.c (ix86_builtin_function_variants): New array.
18509 (ix86_init_sse_abi_builtins): New function.
18510 (ix86_expand_library_builtin): Likewise.
18511 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18512 (override_options): Handle error conditions wrt -msselibm.
18513 (ix86_builtins): Add function codes for SSE2 ABI builtins.
18514 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
18515 * doc/extend.texi (__builtin_sse2_*): Document new target specific
18518 2006-01-31 Richard Guenther <rguenther@suse.de>
18519 Paolo Bonzini <bonzini@gnu.org>
18521 * doc/install.texi (--disable-libgcc-math): Document.
18523 2006-01-30 Marcin Dalecki <martin@dalecki.de>
18525 * expr.h (expand_normal): new inline function.
18526 * builtins.c: use it, use EXPAND_NORMAL explicitely.
18527 * dojump.c: use it.
18528 * dwarf2out.c: use it.
18531 * expmed.c: use it.
18532 * except.c: use it.
18533 * config/sparc/sparc.c: use it.
18534 * config/i386/i386.c: use it.
18535 * config/rs6000/rs6000.c: use it.
18536 * config/arm/arm.c: use it.
18537 * config/mips/mips.c: use it.
18538 * stmt.c: use it, use EXPAND_NORMAL explicitely.
18540 2006-01-30 Roger Sayle <roger@eyesopen.com>
18542 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
18543 argv to the appropriate type.
18545 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
18547 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
18550 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
18553 * config/s390/s390.c (struct machine_function): New flag
18554 decomposed_literal_pool_addresses_ok_p.
18555 (s390_reorg): Set it before final stage of literal pool transforms.
18556 (s390_decompose_address): Only accept displacements of the form
18557 (minus (label_ref ...) (label_ref ...)) if that flag is set.
18559 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
18561 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
18562 the comparison routine return.
18564 2006-01-30 Michael Matz <matz@suse.de>
18566 * global.c (find_reg): Only evict for global regs.
18567 Take n_refs into account and dump more info.
18569 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
18572 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
18573 (pragma_trap, pragma_nosave_low_regs): Likewise.
18574 (current_function_anonymous_args): Likewise.
18575 (sh_deferred_function_attributes): New variable.
18576 (sh_deferred_function_attributes_tail): Likewise.
18577 (print_operand): For '@', look up trap_exit attribute.
18578 (calc_live_regs): Look up trapa_handler attribute. For trapa
18579 handlers, save/restore fpscr, but don't do any other
18580 interrupt-specific saves.
18581 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
18582 Fix check for partially saved registers to check for SHmedia.
18583 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
18584 (sh_output_function_epilogue): Don't clear any of the removed
18586 (sh_insert_attributes): Don't check pragma_interrupt.
18587 Insert deferred attributes. Check that interrupt attribute is
18588 present for other attributes that require its presence.
18589 (sh_attribute_table): Add new attributes trapa_handler and
18591 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
18592 Don't check for pragma_interrupt. Don't store argument.
18593 * sh.h (pragma_interrupt, sp_switch): Don't declare.
18594 (sh_deferred_function_attributes): Declare.
18595 (sh_deferred_function_attributes_tail): Likewise.
18596 * sh.md (sp_switch_1): Add operand. Change generator caller.
18597 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
18598 (*return_i): Don't use when trap_exit attribute is in effect.
18599 (*return_trapa): New insn pattern.
18600 * sh-c.c: New file.
18601 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
18602 setting c_target_objs and cxx_target_objs.
18603 * t-sh: Add rule for sh-c.o.
18605 2006-01-30 Richard Guenther <rguenther@suse.de>
18608 * gimplify.c (gimplify_target_expr): Handle easy cases
18609 without creating a temporary.
18611 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18613 * vec.h (safe_grow): Remove duplicated line.
18615 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18618 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18619 (expand_omp): ... here.
18620 (expand_omp_parallel): Only remove barriers for combined
18621 parallel+workshare constructs.
18623 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18627 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18628 * tree.c (build_qualified_type): Chain the new type to the original
18629 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18630 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18631 (build_pointer_type_for_mode): Only return unqualified types.
18632 (build_reference_type_for_mode): Likewise.
18634 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18636 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18637 * Makefile.in (CXX_COMPAT_WARN): Define.
18638 * configure: Regenerate.
18640 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18643 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18646 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18648 * toplev.c: Fix thinko.
18650 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18651 Marcin Dalecki <martin@dalecki.de>
18653 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18654 (push_srcloc): Use XNEW.
18655 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18657 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18659 * df-core.c (df_set_blocks): Deleted all variable.
18661 2006-01-28 Ian Lance Taylor <ian@airs.com>
18663 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18664 cgraph_output_pending_asms.
18666 2006-01-28 Zack Weinberg <zackw@panix.com>
18668 * c.opt: Add -W(no-)overlength-strings.
18669 * doc/invoke.texi: Document it.
18670 * c-opts.c (c_common_handle_option): -pedantic implies
18671 -Woverlength-strings, if not explicitly disabled already.
18672 (c_common_post_options): -Woverlength-strings defaults to off, and
18673 is always off for C++.
18674 * c-common.c (fix_string_type): Issue warning about strings longer
18675 than is portable only if warn_overlength_strings. Rearrange code
18676 a little for clarity.
18677 * configure.in: Check for -Wno-overlength-strings as well before
18678 enabling -pedantic in stage 1.
18679 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18680 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18682 * genconditions.c (write_header, write_one_condition)
18683 (write_conditions, write_writer): Consolidate very long strings
18684 that were broken up to fit in C89 portable limit. Don't use
18685 printf when fputs will do.
18687 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18689 * combine.c (simplify_comparison <AND>): Check
18690 TRULY_NOOP_TRUNCATION before start using a subreg.
18692 * config/mips/mips.md (*branch_zero<mode>,
18693 *branch_zero<mode>_inverted, *branch_equality<mode>,
18694 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18695 Remove mode check from comparisons.
18697 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18699 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18701 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18703 * expmed.c (const_mult_add_overflow_p): Remove.
18704 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18706 * recog.c (validate_replace_rtx_subexp): Remove.
18707 * recog.h: Remove the prototype for
18708 validate_replace_rtx_subexp.
18710 * integrate.h: Remove the prototype for
18711 copy_decl_for_inlining.
18712 * rtl.h: Remove the prototype for mark_constant_function.
18713 * tree-vectorizer.h: Remove the prototype for
18714 vect_strip_conversion.
18716 * modulo-sched.c (create_partial_schedule,
18717 free_partial_schedule, reset_partial_schedule): Make them
18720 * hooks.c (hook_bool_rtx_int_false): Remove.
18721 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18723 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18725 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18726 and -mlong-double-128 are incompatible.
18727 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18728 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18729 (TARGET_LIBGCC2_CFLAGS): Define.
18730 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18731 (TARGET_LIBGCC2_CFLAGS): Same.
18732 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18734 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18737 * c-typeck.c (build_binary_op): Perform implicit casts of
18738 operands before shortening them.
18740 * cfgloopmanip.c (split_loop_bb): Remove.
18741 * cfgloop.h: Remove the prototype for split_loop_bb.
18743 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18744 * cfgloop.h: Remove the prototype for
18745 flow_loop_outside_edge_p.
18747 * emit-rtl.c (init_virtual_regs): Make it static.
18748 * function.h: Remove the prototype for init_virtual_regs.
18750 * recog.c (peephole2_optimize): Make it static.
18751 * recog.h: Remove the prototype for peephole2_optimize.
18753 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18755 * df-scan.c (df_record_entry_block_defs): Check if
18756 INCOMING_RETURN_ADDR_RTX is defined.
18758 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18759 Kenneth Zadeck <zadeck@naturalbridge.com>
18761 PR rtl-optimization/24762
18762 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18763 * targhooks.c (hook_void_bitmap): New hook prototype.
18764 * targhoohs.h (hook_void_bitmap): Ditto.
18765 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18766 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18767 * target.h (live_on_entry): New function pointer.
18768 * df-scan.c (df_all_hard_regs): Removed.
18769 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18770 (df_scan_free_internal): Added df->entry_block_defs.
18771 (df_scan_alloc): Ditto.
18772 (df_scan_dump): Ditto.
18773 (df_uses_record): Plumbed flag field properly thru calls.
18774 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18775 This part fixes PR24762.
18776 (df_bb_refs_record): Added code to make the frame and arg
18777 pointers live in EH blocks.
18778 (df_refs_record): Added call to df_record_entry_block_defs.
18779 (df_record_entry_block_defs): New function.
18780 * df-core.c: Added comments to describe new artifical defs.
18781 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18782 (entry_block_defs): New field in struct df.
18783 (df_all_hard_regs): Deleted.
18784 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18785 * df-problems.c (df_ru_bb_local_compute_process_def):
18786 Added code to handle artifical defs in the entry to a function.
18787 (df_ru_bb_local_compute): Ditto.
18788 (df_rd_bb_local_compute_process_def): Ditto.
18789 (df_rd_bb_local_compute): Ditto.
18790 (df_lr_bb_local_compute): Ditto.
18791 (df_ur_bb_local_compute): Ditto.
18792 (df_urec_bb_local_compute): Ditto.
18793 (df_chain_create_bb): Ditto.
18794 (df_ur_local_finalize): Removed entry.
18795 (df_urec_init): Ditto.
18796 (df_urec_local_finalize): Ditto.
18797 (df_ri_bb_compute): Added detection of last use of pseudos.
18798 * Makefile.in (df-scan.o): Updated dependencies.
18799 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18800 * config/mips/mips.c (mips_set_live_on_entry): Added.
18801 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18803 * dce.c (marked_insn_p): Added code to handle artifical defs.
18805 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18807 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18809 (_mm_cvtsi128_si64): Likewise.
18810 (_mm_cvtsd_si64): Likewise.
18811 (_mm_cvttsd_si64): Likewise.
18812 (_mm_cvtsi64_sd): Likewise.
18813 (_mm_cvtsi64_si128): Likewise.
18814 * config/i386/mmintrin.h (_m_from_int64): Likewise.
18815 (_mm_cvtsi64_m64): Likewise.
18816 (_m_to_int64): Likewise.
18817 (_mm_cvtm64_si64): Likewise.
18818 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
18819 (_mm_cvttss_si64): Likewise.
18820 (_mm_cvtsi64_ss): Likewise.
18821 (_mm_cvtss_f32): Likewise.
18823 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
18825 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
18826 for pragma redefine_extname.
18828 2006-01-27 Jakub Jelinek <jakub@redhat.com>
18831 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
18832 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
18833 -mno-minimal-toc to previous content.
18834 (bispecs): Remove goal.
18835 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
18836 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
18837 compatibility aliases on powerpc-*-*gnu*.
18838 * config/rs6000/libgcc-ppc-glibc.ver: New file.
18839 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
18840 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
18841 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
18842 (ldblspecs): New goal.
18843 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
18844 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
18846 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
18847 L_sf_to_tf or L_df_to_tf is defined.
18849 2006-01-27 David Edelsohn <edelsohn@gnu.org>
18850 Alan Modra <amodra@bigpond.net.au>
18853 * config/rs6000/linux.h (POWERPC_LINUX): Define.
18854 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
18855 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
18856 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
18857 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
18858 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
18859 (rs6000_override_options): Initialize rs6000_ieeequad.
18860 Initialize TFmode format to ibm_extended_format if not
18862 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
18864 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
18865 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
18866 (function_arg_advance): IBM long double passed in two FPRs, not
18868 (function_arg): IBM long double passed in FPRs.
18869 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
18870 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
18871 Only multireg GPR aligned.
18872 (rs6000_init_libfuncs): Enable IBM long double functions if not
18874 (rs6000_generate_compare): Use IBM long double compare if not
18876 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
18877 (TARGET_IEEEQUAD): Define.
18878 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
18879 not TARGET_IEEEQUAD.
18880 * config/rs6000/rs6000.md: Enable TFmode patterns if
18882 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
18883 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18884 and -mlong-double-128 are incompatible.
18885 * doc/invoke.texi (-mabi): Collect options together. Add
18886 ibmlongdouble and ieeelongdouble.
18888 2006-01-27 Richard Sandiford <richard@codesourcery.com>
18890 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
18892 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
18893 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
18894 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
18895 * rtl.h (rtunion_def): Remove rt_ptr.
18897 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
18898 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
18899 * config/i386/winnt.c (i386_pe_mark_dllexport)
18900 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
18902 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
18904 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
18906 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18910 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
18911 pthread_key_delete. From John David Anglin. gthrw-ify
18912 pthread_getunique_np only if it it's not a macro. Delete
18914 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
18915 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
18916 __gthread_objc_condition_signal, __gthread_key_delete): Add
18917 "__attribute__ ((__unused__))" to unused arguments.
18918 (__gthread_recursive_mutex_init_function): Add missing return.
18919 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
18920 gthr-posix95.h: Use macro-based approach for name redirection
18921 on targets missing weakref.
18923 2006-01-26 Zack Weinberg <zackw@panix.com>
18925 * genconditions.c (write_header): In generated code, #ifdef out
18926 all includes and fake declarations, except includes of bconfig.h
18927 and system.h, unless GCC_VERSION >= 3001. Do not include
18928 gensupport.h in any case.
18929 (write_conditions): Generate a definition of struct c_test. Add
18930 a comment to the generated #endif.
18931 (write_one_condition): Escape backslashes in string too.
18932 (write_writer): Generated code must escape backslashes and quote
18933 marks (but not newlines) in the strings it writes.
18934 * Makefile.in (build/gencondmd.o): Update dependencies.
18936 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18939 * Makefile.in (insn-automata.o): Add header file dependencies.
18940 * genautomata.c: Add includes.
18942 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18945 * Makefile.in (insn-automata.o): Add -Wno-error flag.
18947 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18949 * configure.ac: Expect target tools paths to be passed from the toplevel
18950 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
18952 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
18954 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18957 * c.opt (Wpointer-sign): Init to -1.
18958 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
18959 OPT_pedantic, to 0 otherwise.
18960 * doc/invoke.texi: Update.
18962 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18964 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
18965 constants provided by 80387 instructions in the destination mode.
18967 2006-01-26 Richard Guenther <rguenther@suse.de>
18968 Andrew Pinski <pinskia@physics.uc.edu>
18971 partial PR tree-opt/17064
18972 * tree-ssa-structalias.c (intra_create_variable_infos):
18973 Create heap variables for incoming parameters if
18974 flag_argument_noalias > 1.
18975 (find_what_p_points_to): Look through default defs of
18978 2006-01-26 Jeff Law <law@redhat.com>
18981 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
18982 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
18983 within the VR_RANGE, use the VR_RANGE as the result, not the
18985 (adjust_range_with_scev): Reject ranges from SCEV which are out of
18986 bounds for the type.
18988 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
18990 * tree-ssa-alias.c (maybe_create_global_var): Change
18991 subvar walking to an assertion that we don't have subvar'd variables.
18993 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
18996 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
18997 Use a new variable, inner. PARM_DECLs are always non-weak.
18999 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
19001 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
19002 --disable-checking.
19004 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
19006 * config/mips/mips.md (*clear_upper32): New combiner pattern.
19008 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
19010 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
19011 (smax_insn, smin_insn, smax_0, smin_0): New.
19013 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
19016 * config/cris/cris.c (cris_order_for_addsi3): New function.
19017 * config/cris/cris-protos.h: Prototype it.
19018 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
19019 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
19020 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
19021 (split for "op.S1 [rx=rx+i],ry (swapped)")
19022 (split for "op(s|u).S1 [rx=rx+i],ry")
19023 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
19024 Apply cris_order_for_addsi3 when generating addsi3 insns.
19026 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19028 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
19029 (TREE_BLOCK): Add call to EXPR_CHECK.
19031 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19034 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
19035 * tree-pretty-print.c (dump_omp_clause): Extract from ...
19036 (dump_omp_clauses): ... here.
19037 (dump_generic_node): Handle OMP_CLAUSE.
19038 * tree.c (omp_clause_num_ops): New.
19039 (omp_clause_code_name): New.
19040 (tree_code_size): Handle OMP_CLAUSE.
19041 (tree_size): Likewise.
19042 (make_node): Document handling of OMP_CLAUSE.
19043 (tree_node_structure): Handle OMP_CLAUSE.
19044 (omp_clause_check_failed): New.
19045 (omp_clause_range_check_failed): New.
19046 (omp_clause_operand_check_failed): New.
19047 (build_omp_clause): New.
19048 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
19049 * tree.h (enum omp_clause_code): Declare.
19050 (OMP_CLAUSE_SUBCODE_CHECK): Define.
19051 (OMP_CLAUSE_RANGE_CHECK): Define.
19052 (OMP_CLAUSE_ELT_CHECK): Define.
19053 (omp_clause_check_failed): Declare.
19054 (omp_clause_operand_check_failed): Declare.
19055 (omp_clause_range_check_failed): Declare.
19056 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
19057 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
19058 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
19059 (OMP_CLAUSE_LASTPRIVATE): Likewise.
19060 (OMP_CLAUSE_IF_EXPR): Likewise.
19061 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
19062 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
19063 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
19064 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
19065 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
19066 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
19067 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
19068 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
19069 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
19070 (OMP_CLAUSE_CODE): Define.
19071 (OMP_CLAUSE_SET_CODE): Define.
19072 (OMP_CLAUSE_CODE): Define.
19073 (OMP_CLAUSE_OPERAND): Define.
19074 (struct tree_omp_clause): Declare.
19075 (union tree_node): Add field 'omp_clause'.
19076 * treestruct.def (TS_OMP_CLAUSE): Define.
19077 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
19078 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
19079 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
19080 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
19081 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
19082 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
19083 (OMP_CLAUSE): Define.
19084 * print-tree.c (print_node): Handle OMP_CLAUSE.
19085 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
19086 * c-typeck.c: Likewise.
19087 * gimplify.c: Likewise.
19088 * c-omp.c: Likewise.
19089 * tree-nested.c: Likewise.
19090 * tree-inline.c: Likewise.
19091 * c-parser.c: Likewise.
19092 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
19095 2006-01-25 Roger Sayle <roger@eyesopen.com>
19097 PR rtl-optimization/25703
19098 * combine.c (try_combine): Handle zero_extract and strict_low_part
19099 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
19101 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
19103 * global.c: Fix comment typos.
19105 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
19108 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
19109 Use output_addr_const instead of assemble_name.
19111 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
19113 * Makefile.in (sched-vis.o): Update dependencies.
19114 * haifa-sched.c (sched_finish): Clear current_sched_info.
19115 * cfg.c (dump_bb_info): New, split from dump_flow_info.
19116 (dump_flow_info): Call it.
19117 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
19119 * basic-block.h (dump_bb_info): Declare.
19120 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
19121 option, and apply options only for dump files whose TDF_RTL,
19122 TDF_TREE, or TDF_IPA bits match.
19123 * rtl.h: Declare new functions exported from sched-vis.c.
19124 * sched-vis.c: Enable also if scheduling is not used.
19125 (print_value): Print the mode of registers if not inside scheduling.
19126 (print_insn): Make it work outside the scheduler. Beautify the output
19128 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
19130 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19132 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
19133 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
19134 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
19135 depending on the value of CONSTANT_POOL_ADDRESS_P.
19136 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
19138 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
19139 rather than SYMBOL_REF_DECL.
19140 (rtx_constant_pool): Remove const_rtx_sym_htab.
19141 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
19142 (init_varasm_status): Don't initialize const_rtx_sym_htab.
19143 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
19144 Remove handling of const_rtx_sym_htab.
19145 (find_pool_constant): Delete.
19146 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
19147 rather than find_pool_constant.
19148 (get_pool_constant_for_function): Delete.
19149 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
19150 find_pool_constant.
19151 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
19152 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
19153 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
19154 (SYMBOL_REF_CONSTANT): New macro.
19155 (get_pool_constant_for_function): Delete.
19156 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
19157 rather than SYMBOL_REF_DECL.
19158 (i386_pe_mark_dllimport): Likewise.
19159 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
19160 rather than SYMBOL_REF_DECL.
19161 * config/darwin.c (machopic_indirect_data_reference): Likewise.
19162 (machopic_indirect_call_target): Likewise.
19164 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
19166 * flow.c (delete_noop_moves): Add missing EOL to dump message.
19168 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19170 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
19172 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
19174 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
19176 2006-01-24 David Daney <ddaney@avtrex.com>
19179 * configure.ac (enable_tls): New enable option.
19180 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
19181 * configure: Regenerate.
19182 * doc/install.texi (--enable-tls): Document new option.
19183 (--disable-tls): Ditto.
19185 2006-01-24 Richard Henderson <rth@redehat.com>
19187 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
19188 * alias.c (true_dependence): Respect it.
19189 (canon_true_dependence, write_dependence_p): Likewise.
19190 * builtins.c (get_builtin_sync_mem): Set it.
19192 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
19194 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
19197 2006-01-24 DJ Delorie <dj@redhat.com>
19199 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
19200 for storing constants in single-bit bitfields.
19202 2006-01-25 Ben Elliston <bje@au.ibm.com>
19204 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
19206 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
19209 * tree-ssa-pre.c (phi_translate): Return NULL
19210 for AGGREGATE_TYPE's.
19212 2006-01-24 Zack Weinberg <zackw@panix.com>
19214 * genautomata.c (process_state_for_insn_equiv_partition):
19215 Use xcalloc for insn_arcs_array.
19216 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
19217 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
19219 2006-01-24 Richard Henderson <rth@redhat.com>
19221 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
19222 update all callers.
19224 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
19226 PR rtl-optimization/25890
19227 PR rtl-optimization/25905
19228 * combine.c (expand_compound_operation, expand_field_assignment):
19229 Fail if the bitfield's final position is out of bounds.
19231 2006-01-24 Ian Lance Taylor <ian@airs.com>
19233 PR middle-end/25930
19234 * cgraphunit.c (cgraph_output_in_order): Don't clear
19235 cgraph_asm_nodes until after asm strings have been output.
19237 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
19239 * fix-header.c (read_scan_file): Add new parameter imultilib when
19240 calling register_include_chains.
19242 2006-01-23 Diego Novillo <dnovillo@redhat.com>
19244 * omp-low.c: Update documentation.
19246 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19247 Daniel Berlin <dberlin@dberlin.org>
19251 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
19252 return from the function.
19254 2006-01-22 Zack Weinberg <zackw@panix.com>
19256 * rtl.def (match_code): Add second argument.
19257 * genpreds.c (write_extract_subexp): New function.
19258 (write_match_code): Add path argument. Use write_extract_subexp.
19259 (write_predicate_expr): Pass path to write_match_code.
19260 (mark_mode_tests): MATCH_CODE applied to a subexpression does
19261 not perform a mode test.
19262 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
19263 a subexpression does not constrain the top-level code set.
19264 * read-rtl.c (read_rtx_variadic): New function.
19265 (read_rtx_1): Use it; allow AND and IOR to be variadic.
19266 * doc/md.texi: Document new notation.
19267 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
19268 (cmpsi_operand): ... here, using new notation.
19270 2006-01-22 Zack Weinberg <zackw@panix.com>
19272 * varray.c: Remove GENERATOR_FILE #ifdefs.
19274 2006-01-22 Zack Weinberg <zackw@panix.com>
19276 * genautomata.c (output_reserved_units_table): Emit nothing if
19277 description->query_units_num is zero. Remove extra blank line.
19278 (output_cpu_unit_reservation_p): Short circuit
19279 if description->query_units_num is zero.
19281 2006-01-22 Zack Weinberg <zackw@panix.com>
19283 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
19284 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
19285 nor any of the random handful of variables that used to be necessary
19286 when this program was linked with rtlanal.o. Prune set of forward
19287 function declarations.
19288 (struct attr_desc): Remove static_p field.
19289 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
19290 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
19291 (attr_string): Do not read the character one past the length of
19293 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
19294 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
19295 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
19296 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
19297 (make_automaton_attrs): New.
19298 (main): Do not call into genautomata. Call local gen_bypass
19299 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
19300 Remove special case for insn_alts.
19301 * genautomata.c: Include gensupport.h; not genattrtab.h nor
19302 varray.h (leftover from previous change). Prune set of forward
19303 function declarations. Remove state_alts fields from all
19304 structures. Remove state_alts_table from struct automaton.
19305 Make everything except main static. Do not maintain num_dfa_decls.
19306 Do not maintain state_alts fields of various structures.
19307 (process_decls): Don't validate condexp for dm_insn_reserv decls.
19308 (add_arc): Remove state_alts argument. All callers updated.
19309 (output_reserved_units_table): Emit #ifdef here...
19310 (output_tables): ...not here. Don't generate state_alts tables.
19311 (expand_automata): Don't generate attributes.
19312 (write_automata): Don't generate state_alts functions.
19313 (main): New function.
19314 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
19315 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
19316 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
19317 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
19318 (BYPASS_P_FUNC_NAME, output_state_alts_table)
19319 (output_automata_list_state_alts_code, output_internal_state_alts_func)
19320 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
19321 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
19323 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
19324 * genattrtab.h: Delete file.
19325 * Makefile.in (OBJS-common): Add insn-automata.o.
19326 (insn-automata.o): New rule.
19327 (simple_generated_c): Add insn-automata.c.
19328 (build/genattrtab.o, build/genautomata.o): Update dependencies.
19329 (genprogmd): Add automata.
19330 (build/genattrtab): Needs no extra objects nor libraries.
19331 (build/genautomata): Needs build/vec.o and -lm.
19333 2006-01-22 Zack Weinberg <zackw@panix.com>
19335 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
19336 (output_dfa_max_issue_rate, locked_states_num): Delete.
19337 (struct automaton): Add locked_states field.
19338 (output_dead_lock_vect): Save number of locked states in
19339 automaton->locked_states. If it is zero, don't print anything.
19340 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
19341 (output_internal_dead_lock_func): Only test the dead_lock_vect
19342 for automata that have locked states.
19343 (output_statistics): Always print the number of locked states for
19344 each automaton. Calculate total number of locked states here.
19345 (write_automata): Don't call output_dfa_max_issue_rate.
19346 * genattrtab.c: Define length_unit_log as a const variable.
19347 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
19348 max_insn_queue_index const.
19349 * final.c (length_unit_log): Declare const.
19350 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
19352 2006-01-22 Zack Weinberg <zackw@panix.com>
19354 * genautomata.c: Include vec.h, not varray.h.
19355 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
19356 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
19357 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
19358 VEC_* macros operating on appropriately typed vectors, or to
19359 malloced arrays when the size is known in advance. Const-ify
19360 many char* variables and function arguments. No functional changes.
19361 * Makefile.in (build/varray.o): Delete rule.
19362 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
19363 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
19365 2006-01-22 Zack Weinberg <zackw@panix.com>
19367 * gensupport.c: Define get_insn_name and record_insn_name here.
19368 (read_md_rtx): Call record_insn_name as appropriate.
19369 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
19370 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
19371 * genpreds.c, genrecog.c: Don't define get_insn_name nor
19373 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
19374 (BUILD_VARRAY): Delete.
19375 (genprognormal): Rename genprogmd. Fold in all programs from
19376 genprognoprint; also attrtab.
19377 (build/genattrtab): Just mention genautomata.o and varray.o.
19378 Reorganize a bit, add comments to make the categories clearer.
19380 2006-01-22 Zack Weinberg <zackw@panix.com>
19382 * genconditions.c (condition_table, add_condition): Delete.
19383 (write_conditions): Don't emit n_insn_conditions nor
19384 insn_elision_unavailable. Issue the gcc version #ifdef here,
19385 inside the table, with no #else clause ...
19386 (write_header): ...not here.
19387 (write_writer): New function.
19388 (main): Don't initialize condition_table. Use add_c_test.
19390 * gensupport.c (init_md_reader_args_cb): Handle multiple input
19391 files on the command line.
19392 (maybe_eval_c_test): Don't check insn_elision_unavailable.
19393 Return -1 if there is no entry in the table, don't abort.
19394 (add_c_test, traverse_c_tests): New functions.
19395 * gensupport.h (insn_elision_unavailable, insn_conditions)
19396 (n_insn_conditions): Delete declarations.
19397 (add_c_test, traverse_c_tests): Declare.
19398 * read-rtl.c: Include gensupport.h.
19399 (read_conditions): New function.
19400 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
19401 (read_rtx_1): If we get EOF when we were looking for an initial
19402 open paren, return 0. Call read_conditions when appropriate.
19403 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
19404 dummy-conditions.o. Eliminate references to insn-conditions.o,
19405 or change them to build/gencondmd.o, as appropriate. Remove
19406 insn-constants.h from $(simple_generated_h) and insn-conditions.c
19407 from $(simple_generated_c). For all files remaining in those
19408 two lists, add insn-conditions.md to the generator command line.
19409 Give insn-constants.h/s-constants their own rules. Add rules
19410 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
19411 (build/read-rtl.o): Depend on gensupport.h.
19412 (genprognormal): Include preds.
19413 (genprogearly): Rename genprognoprint; only difference is now that
19414 they don't link with $(BUILD_PRINT).
19415 * dummy-conditions.c: Delete.
19417 2006-01-22 Zack Weinberg <zackw@panix.com>
19419 * genextract.c: Don't include insn-config.h. Do include vec.h.
19420 Declare vectors of int, char, and locstr.
19421 (locstr): New typedef.
19422 (struct extraction): Make all array fields into bare pointers.
19423 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
19424 (insn_code_number): Delete.
19425 (accum_extract): New struct.
19426 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
19427 (gen_insn): Take insn_code_number as an argument. Use an
19428 accum_extract structure instead of loading data directly into
19429 a struct extraction, and having to know how big it might get.
19430 (walk_rtx): Operate entirely on an accum_extract structure.
19431 (print_path): Avoid unnecessary use of printf.
19432 (print_header): New function, split out of main. Distinguish
19433 more carefully between an unrecognizable insn and an insn that
19434 has the code number of a define_expand.
19435 (main): Pass insn_code_number to gen_insn. Call print_header
19436 only after parsing. Avoid unnecessary use of printf.
19437 * Makefile.in (build/vec.o): New rule.
19438 (build/genextract): Depend on build/vec.o.
19439 (build/genextract.o): Don't depend on insn-config.h.
19441 2006-01-22 Zack Weinberg <zackw@panix.com>
19443 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
19444 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
19445 practical. Eliminate per-generator-program link rules.
19447 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19449 PR middle-end/24437
19450 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
19451 with a call expr to ...
19452 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
19454 2006-01-23 Richard Guenther <rguenther@suse.de>
19456 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
19457 before make_edge with conditional EDGE_TRUE_VALUE.
19459 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
19460 Jan Hubicka <jh@suse.cz>
19461 Richard Guenther <rguenther@suse.de>
19463 PR rtl-optimization/25654
19464 * cfgexpand.c (aggregate_contains_union_type): New function.
19465 (add_alias_set_conflicts): Call it. Make sure to add conflicts
19466 for structure variables that contain a union type.
19468 2006-01-23 Richard Sandiford <richard@codesourcery.com>
19470 * gengtype.c (new_structure): Return the structure.
19471 (create_option): Add an extra "next" argument.
19472 (create_field): New function.
19473 (adjust_field_rtx_def): Use create_option and create_field.
19474 Remove a now-unnecessary call to find_structure.
19475 (adjust_field_tree_def): Likewise.
19476 (note_yacc_type): Remove an unnecessary call to find_structure.
19477 * gengtype.h (new_structure): Return the structure.
19478 (create_option): Add an extra argument.
19479 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
19480 (option): Adjust calls to create_option.
19482 2006-01-22 David Edelsohn <edelsohn@gnu.org>
19484 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
19486 2006-01-22 Paul Brook <paul@codesourcery.com>
19487 Peter Barada <peter@the-baradas.com>
19489 * config/m68k/m68k.md: Add Coldfire FPU support.
19490 Define FP mode macro and associated attributes.
19491 Use it for float mode patterns.
19492 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
19493 (LIBCALL_VALUE): Use m68k_libcall_value.
19494 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
19495 (m68k_function_value): Ditto.
19496 (emit_move_sequence): Ditto.
19497 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
19498 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
19499 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
19500 (MULTILIB_EXCEPTIONS): Ditto.
19501 * config/m68k/m68k.opt: Add mcfv4e.
19502 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
19503 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
19504 (m68k_output_function_prologue): Save ColdFire FPU registers.
19505 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
19506 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
19507 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
19508 ColdFire FPU registers.
19509 (m68k_libcall_value, m68k_function_value): New functions.
19510 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
19511 (LIBCALL_VALUE): Use m68k_libcall_value.
19512 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
19513 (MASK_COLDFIRE): Add MASK_CFV4E.
19514 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
19515 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
19516 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
19517 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
19518 (GO_IF_LEGITIMATE_ADDRESS): Use it.
19519 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
19520 * doc/invoke.tex: Document -mcfv4e on m68k.
19522 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
19524 * doc/contribute.texi: Change CVS to SVN and update the corresponding
19527 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
19530 * c-opts.c (c_common_handle_option): Don't include
19531 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
19532 * doc/invoke.texi (C++ Dialect Options): Document that
19533 -Wnon-virtual-dtor is no longer included in -Wall.
19535 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
19537 * gcov.c (print_version), gcov-dump.c (print_version),
19538 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
19541 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
19543 * df-scan.c (problem_SCAN): Added NULL reset function.
19544 (df_scan_reset_blocks): Added code to call reset block function
19545 (df_bb_refs_delete) Fixed comment.
19546 (df_insn_refs_delete): Made tolerant of deleting non existent info
19547 for dataflow problems that need to be reset.
19548 * df-core.c (df_set_blocks): Ditto.
19549 * df.h (struct df_problem): Added reset_fun.
19550 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
19551 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
19552 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
19553 functions to clear out all references to def-use or use-def chains.
19555 2006-01-21 Ben Elliston <bje@au.ibm.com>
19557 * varasm.c (assemble_real): Initialise data array.
19559 2006-01-20 Paul Brook <paul@codesourcery.com>
19561 Merge from csl-arm-branch.
19562 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
19563 * config/arm/arm.md (movdi): Force operands[1] to a register
19564 if we have a non-register source.
19565 (*arm_movdi, *movdf_soft_insn): Require that one of the
19566 operands be a register.
19567 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
19568 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
19570 2006-01-20 DJ Delorie <dj@redhat.com>
19572 * varasm.c (initializer_constant_valid_p): Allow pointers
19573 initialized from integer constants of lesser precision.
19574 (output_constant): Allow non-int-sized pointer modes to be
19575 initialized from integer constants.
19577 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
19580 * cppdefault.h (struct default_include): Add multilib flag.
19581 * cppdefault.c (cpp_include_defaults): Set it.
19582 * c.opt (-imultilib): New option.
19583 * c-opts.c (imultilib): New.
19584 (c_common_handle_option): Handle -imultilib.
19585 (c_common_post_options): Likewise.
19586 * c-incpath.c (add_standard_paths, register_include_chains):
19588 * c-incpath.h (register_include_chains): Add extra parameter.
19589 * gcc.c (do_spec_1): Generate -imultilib option.
19590 (The Specs Language): Update %I description.
19591 (process_command): Update copyright notice.
19592 * doc/cppopts.texi (-imultilib): Document.
19593 * doc/invoke.texi (-imultilib): Include in option summary.
19594 (%I): Update specs documentation.
19596 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19598 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
19600 2006-01-20 Richard Sandiford <richard@codesourcery.com>
19602 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19605 2006-01-20 Richard Guenther <rguenther@suse.de>
19606 Steven Bosscher <stevenb.gcc@gmail.com>
19608 PR rtl-optimization/24626
19609 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19610 EDGE_TRUE_VALUE if in RTL mode.
19613 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19614 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19616 2006-01-20 Dirk Mueller <dmueller@suse.com>
19619 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19620 instead of a special NOP marker.
19621 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19622 NOP marker handling.
19623 * c-common.h (empty_body_warning): Add forward declaration.
19624 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19625 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19627 2006-01-20 Paul Brook <paul@codesourcery.com>
19629 * Makefile.in (lang_checks): Keep going if mkdir fails.
19631 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19633 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19634 be able to clean out basic block when not necessary.
19635 (df_scan_free): Fixed to properly delete information if df is
19636 unused before calling df_finish.
19637 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19638 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19640 (df_bb_refs_delete): New function.
19641 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19642 * df-core.c (df_set_blocks): Added code to properly clean out
19643 unused blocks if they are not part of the blocks to consider.
19644 Added additional null check.
19645 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19646 be able to clean out basic block when not necessary
19647 * df.h (df_free_bb_function): Ditto.
19648 (df_bb_refs_delete): New function.
19649 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19650 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19651 basic block parameter to be able to clean out basic block when not
19653 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19654 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19655 Fixed to properly delete information if df is unused before
19658 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19660 PR rtl-optimization/25799
19661 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19662 Corrected confluence operator to remove bits from op2 before oring
19663 with op1 rather than removing bits from op1.
19664 (df_ru_transfer_function): Corrected test on wrong bitmap which
19665 caused infinite loop. Both of these problems were introduced in
19666 the dataflow rewrite.
19668 2006-01-19 DJ Delorie <dj@redhat.com>
19670 * reload1.c (find_reload_regs): Note the details of reload
19671 failures in the dump file.
19672 (spill_failure): Likewise.
19674 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19676 * loop-iv.c: Include df.h and hashtab.h.
19677 (enum iv_grd_result): New enum.
19678 (DF_REF_IV, DF_REF_IV_SET): New macros.
19679 (struct biv_entry): New.
19680 (df, bivs): New global variables.
19681 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19682 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19684 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19685 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19686 analyzed_for_bivness_p, record_biv): New functions.
19687 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19688 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19689 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19691 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19693 (iv_number_of_iterations): Use new interface to iv analysis.
19694 * loop-unroll.c: Do not include varray.h.
19695 (analyze_iv_to_split_insn): Use new interface to iv
19697 * loop-unswitch.c (may_unswitch_on): Ditto.
19698 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19700 (df_bb_modify): Realloc tables to the new index.
19701 (df_find_use): New function.
19702 * df.h (df_find_use): Declare.
19703 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19705 * cfgloop.h (struct rtx_iv): Remove analysed field.
19706 (iv_get_reaching_def): Removed.
19707 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19708 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19709 (loop-iv.o): Add df.h and hashtab.h dependency.
19710 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19712 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19715 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19717 (__floatundisf, __floatundidf): Likewise.
19718 * libgcc2.h (IS_IBM_EXTENDED): Define.
19720 2006-01-19 DJ Delorie <dj@redhat.com>
19722 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19724 2006-01-19 Paul Brook <paul@codesourcery.com>
19726 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19727 as nothrow when unwinding tables are disabled.
19729 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19732 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19733 of bit-field" when in system header.
19735 2006-01-19 DJ Delorie <dj@redhat.com>
19737 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19738 the 16 bit shift limit of the m16c.
19740 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19743 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19744 * config/i386/i386.c (output_set_got): Output the label if we have one
19745 for the TARGET_DEEP_BRANCH_PREDICTION case.
19747 2006-01-19 Jan Hubicka <jh@suse.cz>
19748 H.J. Lu <hongjiu.lu@intel.com>
19749 Evandro Menezes <evandro.menezes@amd.com>
19751 * invoke.texi (generic): Document
19753 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19754 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19755 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19756 (x86_use_incdec, x86_pad_returns): New variables
19757 (TARGET_CPU_DEFAULT_generic): New constant
19758 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19759 (enum processor_type): Add generic32 and generic64.
19760 * i386.md (cpu attribute): Add generic32/generic64
19761 (movhi splitter): Behave sanely when both partial_reg_dependency and
19762 partial_reg_stall are set.
19763 (K8 splitters): Enable for generic as well.
19764 * predicates.md (incdec_operand): Use TARGET_INCDEC
19765 (aligned_operand): Avoid memory mismatch stalls.
19766 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19767 * ppro.md: Enable for generic32
19768 * i386.c (generic64_cost, generic32_cost): New.
19769 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19770 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19771 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19772 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19773 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19774 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19775 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19776 x86_accumulate_outgoing_args, x86_prologue_using_move,
19777 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19778 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19779 Enable for generic.
19780 (x86_use_incdec, x86_pad_returns): New.
19781 (override_options): Add generic32 and generic64, translate "generic"
19782 to generic32/generic64 and "i686" to "generic32", refuse
19783 "generic32"/"generic64" as arch target.
19784 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19785 (ix86_reorg): Honor PAD_RETURNS.
19787 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19789 * tree-pretty-print.c (dump_generic_node): Handle
19790 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19791 * cgraph.c (cgraph_expand_queue): Rename from
19792 cgraph_analyze_queue. Update all users.
19793 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19794 cgraph_expand_queue.
19795 (cgraph_expand_all_functions): Likewise.
19796 (cgraph_finalize_pending_functions): Remove. Update callers.
19798 * tree.h (OMP_DIRECTIVE_P): Define.
19799 (OMP_PARALLEL_FN): Define.
19800 (OMP_PARALLEL_DATA_ARG): Define.
19801 (OMP_SECTIONS_SECTIONS): Define.
19802 * tree-pass.h (pass_expand_omp): Declare.
19803 * omp-low.c (struct omp_region): Declare.
19804 (struct omp_context): Remove fields 'parallel_type',
19805 'parallel_start_ix' and 'parallel_start_additional_args'.
19807 (struct omp_for_data): Rename from struct expand_omp_for_data.
19808 (omp_regions): New static variable.
19809 (root_omp_region): New static variable.
19810 (find_omp_clause): Make static.
19811 (is_in_combined_parallel_ctx): Remove.
19812 (is_combined_parallel): New.
19813 (extract_omp_for_data): Move earlier in the file.
19814 (workshare_safe_to_combine_p): New.
19815 (get_ws_args_for): New.
19816 (determine_parallel_type): Move earlier in the file.
19817 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
19819 (omp_copy_decl): Likewise.
19820 (create_omp_child_function): Likewise.
19821 (lookup_omp_region): New.
19822 (dump_omp_region): New.
19823 (debug_omp_region): New.
19824 (debug_all_omp_regions): New.
19825 (new_omp_region): New.
19826 (scan_omp_parallel): If parallel_nesting_level > 1, the
19827 directive is nested within another parallel directive.
19828 Set OMP_PARALLEL_FN.
19829 (scan_omp_for): Do not try to handle combined parallel+for
19831 Remove FIXME comment.
19832 (scan_omp_nested): Remove.
19833 (scan_omp_1): Do not call scan_omp_nested when
19834 parallel_nesting_level is > 1.
19835 Do not change the DECL_CONTEXT of local variables found.
19836 (lookup_decl_in_outer_ctx): New.
19837 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
19838 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
19839 (lower_reduction_clauses): Rename from expand_reduction_clauses.
19840 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
19841 If CTX is nested, lookup VAR in the outer context when
19842 building copy assignment.
19843 (lower_send_clauses): Rename from expand_send_clauses.
19844 If CTX is nested, lookup VAR in the outer context when
19845 building copy assignments.
19846 (lower_send_shared_vars): Rename from expand_send_shared_vars.
19847 If CTX is nested, lookup VAR in the outer context when
19848 building copy assignments.
19849 (expand_parallel_call): Rename from build_parallel_call.
19850 Handle combined parallel+workshare cases.
19851 Re-implement to emit code into the CFG.
19853 (expand_omp_parallel): Re-implement to emit code into the CFG.
19854 Call move_sese_region_to_fn to outline the sub-graph
19855 containing the parallel region.
19856 (expand_omp_for_1): Remove.
19857 (expand_omp_for_generic): Re-implement to emit code into the
19859 (expand_omp_for_static_nochunk): Likewise.
19860 (expand_omp_for_static_chunk): Likewise.
19861 (expand_omp_for): Likewise.
19862 (expand_omp_sections): Likewise.
19863 (remove_exit_barriers): New.
19864 (expand_omp_synch): New.
19866 (build_omp_regions_1): New.
19867 (build_omp_regions): New.
19868 (execute_expand_omp): New.
19869 (gate_expand_omp): New.
19870 (pass_expand_omp): Define.
19871 (lower_omp_sections): Rename from expand_omp_sections.
19872 Set OMP_SECTIONS_SECTIONS.
19873 (lower_omp_single_simple): Rename from expand_omp_single_simple.
19874 (lower_omp_single_copy): Rename from expand_omp_single_copy.
19875 (lower_omp_single): Rename from expand_omp_simple.
19876 (lower_omp_master): Rename from expand_omp_master.
19877 (lower_omp_ordered): Rename from expand_omp_ordered.
19878 (lower_omp_critical): Rename from expand_omp_critical.
19879 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
19880 (lower_omp_for): Re-implement.
19881 (lower_omp_parallel): Re-implement.
19882 (lower_regimplify): Rename from expand_regimplify.
19883 (lower_omp_1): Rename from expand_omp_1.
19884 If there are syntax errors in the program, replace every
19885 OpenMP directive with NOP.
19886 Call lower_omp_* instead of expand_omp_*.
19887 (lower_omp): Rename from expand_omp.
19889 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
19890 * tree-gimple.h (enum omp_parallel_type): Remove.
19891 (gimple_boolify): Declare extern.
19892 (find_omp_clause, determine_parallel_type): Remove.
19894 * gimple-low.c (lower_omp_directive): New.
19895 (lower_stmt): Call it.
19896 (record_vars_into): Move from ...
19897 (record_vars): ... here.
19898 Call record_vars_into with current_function_decl.
19900 * gimplify.c (struct gimplify_ctx): Remove fields
19901 combined_pre_p and combined_ctxp. Update users.
19902 (get_formal_tmp_var): Add documentation.
19903 (gimple_boolify): Make extern.
19904 (gimplify_expr_in_ctx): Remove. Update callers.
19905 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
19906 will always be a BIND_EXPR.
19907 (gimplify_expr): Handle OMP_RETURN_EXPR.
19908 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
19909 (OMP_PARALLEL): Add 3 operands.
19910 (OMP_SECTIONS): Add 1 operand.
19911 (OMP_RETURN_EXPR): Define.
19913 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
19914 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
19915 * tree-iterator.c (alloc_stmt_list): Assert that we are not
19916 creating a circular free list.
19917 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
19919 * tree-flow.h (move_sese_region_to_fn): Declare.
19920 (record_vars_into): Declare.
19921 * tree-cfg.c (make_omp_sections_edges): New.
19922 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
19923 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
19924 OMP_SECTIONS and OMP_SECTION.
19925 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
19926 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
19927 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
19928 (gather_blocks_in_sese_region): New.
19929 (struct move_stmt_d): Declare.
19930 (move_stmt_r): New.
19931 (move_block_to_fn): New.
19932 (move_sese_region_to_fn): New.
19934 * passes.c (init_optimization_passes): Schedule
19935 pass_expand_omp after pass_init_datastructures.
19937 * tree-ssa-operands.c (get_expr_operands): Handle
19938 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
19939 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
19941 2006-01-19 Jeff Law <law@redhat.com>
19943 * tree-vrp.c (extract_range_from_assert): Refine the result range
19944 if the variable referenced by the ASSERT_EXPR has a range and
19945 either the tentative result range or the previous range is a
19948 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19950 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
19952 2006-01-19 Jan Hubicka <jh@suse.cz>
19954 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
19956 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
19958 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
19959 (expand_compound_operation, expand_field_assignment): Fail if the
19960 bit lengths of an extract operation are out of range.
19961 (make_extraction): Compute wanted_inner_mode based on the position
19962 and length of the extraction. Make it extraction_mode for non-constant
19963 positions, and do not modify offset in that case. When generating a
19964 new MEM, use a mode that can hold the extraction while keeping correct
19965 alignment. Remove code that supported MEMs wrapped by USEs.
19966 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
19968 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
19970 * config/s390/s390.md ("Y", "y"): New mode attribute.
19971 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
19972 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
19973 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
19974 "*addsi3_imm_cc", "*addsi3_carry1_cc",
19975 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
19976 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
19977 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
19978 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
19979 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
19980 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
19981 "addsi3", "subsi3"): Insn patterns removed.
19982 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
19983 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
19984 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
19985 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
19986 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
19987 "*sub<mode>3_cconly2"): New insn patterns.
19988 ("addsi3", "subsi3"): New expanders.
19990 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
19992 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
19993 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
19994 existing STMT_VINFO_VECTYPE if available.
19995 (vect_mark_relevant): Add special handling for stmts that are
19996 marked as STMT_VINFO_IN_PATTERN_P.
19997 (vect_analyze_loop): Call vect_pattern_recog.
19998 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
19999 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
20001 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
20002 (vect_recog_func_ptr): New function-pointer type.
20003 * tree-vect-patterns.c: New file.
20004 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
20005 (vect_recog_dot_prod_pattern, vect_pattern_recog):
20006 (vect_pattern_recog_1): New functions.
20007 (vect_pattern_recog_funcs): New array of function pointers.
20009 * tree-vectorizer.h (ternary_op): New enum value.
20010 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
20011 declaration. Revised documentation. Removed redundant dump prints.
20012 Removed redundant argument. Added support for reduction patterns.
20013 (vectorizable_reduction): Added support for reduction patterns.
20014 (vect_transform_stmt): Added support for patterns.
20016 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
20017 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
20018 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
20019 (expand_widen_pattern_expr): New function.
20020 (init_optabs): Initialize new optabs udot_prod_optab,
20022 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
20023 (sdot_prod_optab, udot_prod_optab): Define new optabs.
20024 (expand_widen_pattern_expr): New function declaration.
20025 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
20027 * tree-inline.c (estimate_num_insns_1): Added cases for new
20028 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20029 * tree-pretty-print.c (dump_generic_node): Likewise.
20030 (op_prio): Likewise.
20031 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20032 * tree-ssa-operands.c (get_expr_operands): Added case for
20034 * tree-vect-patterns.c (widened_name_p): New function.
20035 (vect_recog_dot_prod_pattern): Added function implementation.
20036 * tree-vect-transform.c (get_initial_def_for_reduction): Added
20037 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
20038 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
20039 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
20041 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
20042 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
20043 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
20044 (init_optabs): Initialize new optabs widen_ssum_optab,
20046 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
20047 (widen_ssum_optab, widen_usum_optab): Define new optabs.
20048 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
20049 use instead of type of def.
20050 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
20051 function implementation.
20052 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
20053 widen_ssumv8hi): New.
20055 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
20058 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20061 * c-decl.c (add_flexible_array_elts_to_size): New function.
20062 (finish_decl): Use it.
20064 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
20066 * diagnostic.h: Include options.h.
20067 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
20068 dependancies for diagnostic.h.
20069 * Makefile.in (DIAGNOSTIC_H): Add options.h.
20071 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
20073 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
20074 (ssa_ro_call_cache_valid): Ditto.
20075 * tree-ssa-alias.c (sort_tags_by_id): New function.
20076 (init_transitive_clobber_worklist): Ditto.
20077 (add_to_worklist): Ditto.
20078 (mark_aliases_call_clobbered): Ditto.
20079 (compute_tag_properties): Ditto.
20080 (set_initial_properties): Ditto.
20081 (compute_call_clobbered): Ditto.
20082 (compute_may_aliases): Call compute_call_clobbered and grouping.
20083 (compute_flow_sensitive_aliasing): Remove clobbering related code.
20084 (compute_flow_insensitive_aliasing): Grouping now happens in our
20086 (setup_pointers_and_addressables): Remove clobbering related code.
20087 (add_may_alias): Ditto.
20088 (replace_may_alias): Ditto.
20089 (get_nmt_for): Ditto.
20090 (create_global_var):
20091 (is_escape_site): Return an escape_type enumeration.
20092 * tree-flow-inline.h (is_call_clobbered): Global var does not
20093 imply call clobbered.
20094 (mark_call_clobbered): Take a reason for marking this. Remove
20095 marking of globalness, and cache invalidation.
20096 (clear_call_clobbered): Remove cache invalidation code.
20097 * tree-dfa.c (dump_variable): If details is on, dump the reason
20099 * tree-outof-ssa.c (create_temp): Copy escape mask from original
20101 * tree-flow.h (struct ptr_info_def): Add escape mask member.
20102 (struct var_ann_d): Ditto.
20103 (enum escape_type): New.
20104 (mark_call_clobbered): Adjust prototype.
20105 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
20106 are never call clobbered.
20107 Record reasons for escaping.
20108 * tree-ssa-structalias.h (is_escape_site): Update prototype.
20109 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
20110 (ssa_ro_call_cache_valid): Ditto.
20111 (clobbered_v_may_defs): Ditto.
20112 (clobbered_vuses): Ditto.
20113 (ro_call_vuses): Ditto.
20114 (clobber_stats): New.
20115 (init_ssa_operands): Zero out clobber stats.
20116 (fini_ssa_operands): Print out clobber stats.
20117 (get_call_expr_operands): Pass callee fndecl to
20118 add_call_read_ops).
20119 (add_call_clobber_ops): Remove use of cache.
20120 Add use of PURE_CONST information.
20121 (add_call_read_ops): Remove use of cache.
20122 Add use of static not_read information.
20124 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
20126 Introduce TLS descriptors for i386 and x86_64.
20127 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
20128 (TARGET_ANY_GNU_TLS): New macro.
20129 (enum tls_dialect): Added TLS_DIALECT_GNU2.
20130 (struct machine_function): Add tls_descriptor_call_expanded_p.
20131 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
20132 (ix86_current_function_calls_tls_descriptor): Likewise.
20133 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
20134 (override_options): Introduce gnu2 tls dialect.
20135 (ix86_frame_pointer_required): Functions containing TLSCALLs are
20137 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
20139 (legitimize_tls_address): Adjust logic for GNU2 TLS.
20140 (ix86_init_machine_status): Initialize new field.
20141 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
20142 (ix86_tls_module_base): New.
20143 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
20144 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
20145 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
20146 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
20147 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
20148 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
20149 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
20150 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
20151 * config/i386/predicates.md (tls_modbase_operand): New.
20152 (tp_or_register_operand): New.
20154 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
20156 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
20157 (look_for_address_of): Ditto.
20158 (ipa_init): Walk the function decls.
20159 (static_execute): Don't set readonly on FUNCTION_DECL's.
20161 2006-01-18 Roger Sayle <roger@eyesopen.com>
20163 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
20164 for shifts where the source and destination registers are different.
20166 2006-01-18 Paul Brook <paul@codesourcery.com>
20168 Merge from csl-arm-branch.
20169 2005-03-14 Julian Brown <julian@codesourcery.com>
20170 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
20171 (aeabi_llsl): Likewise.
20172 (ashrdi3): Likewise.
20173 (aeabi_lasr): Likewise.
20174 (lshrdi3): Likewise.
20175 (aeabi_llsr): Likewise.
20176 2005-03-10 Julian Brown <julian@codesourcery.com>
20177 * config.gcc: Disable shared libgcc for SymbianOS.
20178 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
20180 2006-01-18 DJ Delorie <dj@redhat.com>
20182 * c-pragma.c (handle_pragma_diagnostic): New.
20183 (init_pragma): Register it.
20184 * doc/extend.texi: Document it.
20186 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
20187 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
20188 (diagnostic_context): Add classify_diagnostic[].
20189 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
20190 as errors if they're overridden to DK_WARNING.
20191 (diagnostic_initialize): Initialize classify_diagnostic[].
20192 (diagnostic_set_kind_override): New.
20193 (diagnostic_report_diagnostic): Check for kind changes.
20194 * opts.c (common_handle_option): Take lang_mask. Update callers.
20195 Handle OPT_Werror_.
20196 * common.opt (Werror=): New.
20197 * doc/invoke.texi: Document -Werror=*
20199 2006-01-18 Jeff Law <law@redhat.com>
20201 * tree-vrp.c (test_for_singularity): Correct test for new
20202 min limit. Use operand_equal_p rather than pointer equality
20203 for testing if new min/max values are equal.
20205 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
20206 using range information until after propagation and folding.
20208 2006-01-18 Richard Henderson <rth@redhat.com>
20209 Aldy Hernandez <aldyh@redhat.com>
20210 Jakub Jelinek <jakub@redhat.com>
20211 Diego Novillo <dnovillo@redhat.com>
20213 * omp-low.c: New file.
20214 * c-omp.c: New file.
20216 2006-01-18 Richard Henderson <rth@redhat.com>
20217 Jakub Jelinek <jakub@redhat.com>
20218 Diego Novillo <dnovillo@redhat.com>
20220 * doc/invoke.texi: Document -fopenmp.
20221 * tree-dump.h (debug_function): Declare.
20222 * hooks.c (hook_bool_tree_bool_false): New function.
20223 (hook_tree_tree_null): Remove.
20224 (hook_tree_tree_tree_null): New.
20225 * hooks.h: Update to match.
20226 * tree-pretty-print.c (debug_tree_chain): New.
20227 (print_generic_expr): Handle TDF_CHAIN.
20228 (dump_generic_node): Handle BLOCK.
20229 Do not abort with incomplete SWITCH_EXPRs.
20230 Do not dump body of an OpenMP directive if TDF_SLIM is given.
20231 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
20232 print space after directive name.
20233 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
20234 Handle OMP_MASTER and OMP_ORDERED.
20235 Handle printing of OMP_BODY just in one place, goto
20236 dump_omp_body in the rest of OMP_* nodes that have
20238 Don't handle clause nodes here. Update omp statements to
20239 use dump_omp_clauses.
20240 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
20241 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
20242 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
20243 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
20244 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
20245 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
20246 Adjust output for GOMP_PARALLEL.
20247 (dump_omp_clauses): New.
20248 (print_declaration): Dump DECL_VALUE_EXPR.
20249 (op_symbol_1): Split out of op_symbol.
20250 (dumping_stmts): Remove. Update all users.
20251 * cgraph.c (cgraph_analyze_queue): New.
20252 (cgraph_add_new_function): New.
20253 * cgraph.h (cgraph_analyze_queue): Declare.
20254 (cgraph_add_new_function): Declare.
20255 (cgraph_lower_function): Remove.
20256 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
20257 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
20258 and TYPE_P nodes in its default clause.
20259 (empty_body_p): New.
20260 (tree_range_check_failed): New.
20261 (build5_stat): New.
20262 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
20263 OMP_CLAUSE_REDUCTION_MERGE,
20264 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
20265 OMP_CLAUSE_PRIVATE_DEBUG,
20266 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
20267 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
20268 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
20269 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
20270 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
20271 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
20272 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
20273 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
20274 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
20275 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
20276 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
20277 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
20278 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
20279 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
20280 (TREE_RANGE_CHECK): New.
20281 (empty_body_p): Declare.
20282 (enum omp_clause_default_kind): New.
20283 (build_string_literal): Declare.
20284 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
20285 (build5_stat, build5): Declare.
20286 * tree-pass.h (TDF_CHAIN): Define.
20287 * tree-pass.h (PROP_gimple_lomp): Define.
20288 (pass_lower_omp): Declare.
20289 * diagnostic.h (debug_tree_chain): Declare.
20290 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
20292 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
20293 * builtins.c (build_string_literal): Make extern.
20294 * gcc.c (include_spec_function): New.
20295 (static_spec_functions): Add it.
20296 (main): Move load of libgomp.spec ...
20297 (LINK_COMMAND_SPEC): ... here.
20298 (link_gomp_spec): New.
20299 (static_specs): Include it.
20300 (LINK_COMMAND_SPEC): Add link_gomp.
20301 (GOMP_SELF_SPECS): New.
20302 (driver_self_specs): Include it.
20303 (switch_matches): Don't mark inline.
20304 (main): Load libgomp.spec.
20305 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
20306 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
20307 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
20308 * tree-gimple.h (enum omp_parallel): Declare.
20309 (determine_parallel_type): Declare.
20310 (omp_firstprivatize_variable): Declare.
20311 (omp_reduction_init): Declare.
20312 (diagnose_omp_structured_block_errors): Declare.
20313 (struct walk_stmt_info): Add want_return_expr.
20314 (struct walk_stmt_info): Add want_bind_expr, want_locations.
20315 (find_omp_clause): Declare.
20316 (insert_field_into_struct): Declare.
20317 (struct walk_stmt_info): Move from tree-nested.c
20318 (walk_stmts): Declare.
20319 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
20321 * cgraphunit.c (cgraph_lower_function): Make static.
20322 (cgraph_finalize_pending_functions): New.
20323 (cgraph_finalize_function): Call it.
20324 (cgraph_finalize_compilation_unit): Likewise.
20325 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
20326 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
20327 (BT_FN_UINT_UINT): New.
20328 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
20329 DEF_FUNCTION_TYPE_VAR_4): Document.
20330 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
20331 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
20332 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
20333 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
20334 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
20335 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
20336 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
20337 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
20338 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
20339 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
20340 into separate files.
20341 (DEF_GOMP_BUILTIN): New.
20342 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
20343 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
20344 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
20345 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
20346 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
20347 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
20348 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
20349 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
20350 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
20351 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
20352 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
20353 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
20354 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
20355 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
20356 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
20357 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
20358 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
20359 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
20360 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
20361 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
20362 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
20363 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
20364 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
20365 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
20366 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
20367 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
20368 * sync-builtins.def: New file, moved from builtins.def.
20369 * omp-builtins.def: New file, moved from builtins.def.
20370 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
20371 * gimple-low.c (lower_function_body): Clear data.
20372 (lower_stmt): Do not handle COMPOUND_EXPR.
20373 Remove call to print_node_brief.
20374 * c-tree.h (c_finish_omp_clauses): New prototype.
20375 (C_DECL_THREADPRIVATE_P): Define.
20376 (lookup_name_no_remap, c_omp_remap_private): Remove
20377 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
20378 (check_for_loop_decls): Update decl.
20379 (lookup_name_no_remap, c_omp_remap_private): Declare.
20380 (build_indirect_ref, build_modify_expr, pushdecl,
20381 pushdecl_top_level): Move to c-common.h.
20382 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
20383 before the switch, but just in the 2 places that need it.
20384 * c-decl.c (diagnose_mismatched_decls): Do not check for
20385 mismatched thread-local attributes when OLDDECL is marked
20386 threadprivate and NEWDECL has no thread-local attributes.
20387 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
20388 (c_gimple_diagnostics_recursively): Rename from
20389 c_warn_unused_result_recursively. Invoke
20390 diagnose_omp_structured_block_errors.
20391 (check_for_loop_decls): Return a singular decl found.
20392 * langhooks.c (lhd_omp_predetermined_sharing): Return
20393 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
20394 (lhd_omp_firstprivatize_type_sizes): New.
20395 (lhd_omp_assignment): New.
20396 (lhd_omp_predetermined_sharing): New.
20397 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
20398 (struct lang_hooks_for_types): Add
20399 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
20400 omp_predetermined_sharing, omp_disregard_value_expr,
20401 omp_private_debug_clause, omp_clause_default_ctor,
20402 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
20403 (c_finish_omp_clauses): New.
20404 (c_finish_bc_stmt): Diagnose break within omp for.
20405 (c_begin_omp_parallel, c_finish_omp_parallel): New.
20406 (build_unary_op): Return error_mark after reporting
20408 (build_modify_expr): Likewise.
20409 * gimplify.c: Include optabs.h and pointer-set.h.
20410 (enum gimplify_omp_var_data): Declare.
20411 (struct gimplify_omp_ctx): Declare.
20412 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
20414 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
20415 (push_gimplify_context, pop_gimplify_context): Allow nesting.
20416 (splay_tree_compare_decl_uid): New.
20417 (new_omp_context): New.
20418 (delete_omp_context): New.
20419 (gimple_add_tmp_var): Call omp_add_variable.
20420 (gimplify_bind_expr): Likewise.
20421 (gimplify_var_or_parm_decl): If omp_notice_variable returned
20422 true, disregard DECL_VALUE_EXPR on the decl if any.
20423 (gimplify_expr_in_ctx): New.
20424 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
20425 omp_add_variable, omp_notice_variable, omp_is_private
20426 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
20427 gimplify_adjust_omp_clauses, gimplify_omp_parallel
20428 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
20429 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
20430 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
20431 gimplify_omp_atomic): New.
20432 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20433 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20434 OMP_CRITICAL and OMP_ATOMIC.
20435 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
20436 * c-pragma.h (enum pragma_kind): Add
20437 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
20438 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
20439 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
20440 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
20441 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
20442 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
20443 PRAGMA_OMP_THREADPRIVATE.
20444 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20445 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20446 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
20447 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
20448 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
20449 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
20450 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
20451 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
20452 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
20453 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
20454 * tree-ssa-dce.c (find_control_dependence): Do not assume that
20455 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
20456 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
20458 (struct nesting_info): Add field_map,
20459 suppress_expansion, debug_var_chain.
20460 (create_nesting_tree): Initialize them.
20461 (lookup_field_for_decl): Use field_map.
20462 (get_nonlocal_debug_decl, get_local_debug_decl): New.
20463 (convert_local_omp_clauses): New.
20464 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
20465 (walk_body): Split out of walk_function.
20466 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
20467 (convert_nonlocal_reference): Handle omp statements.
20468 (convert_local_reference): Likewise.
20469 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
20470 (unnest_nesting_tree): New.
20471 (lower_nested_functions): Call it.
20472 (insert_field_into_struct): Make extern.
20473 (struct walk_stmt_info): Move to tree-gimple.h.
20474 (walk_stmts): Make extern.
20475 * omp-builtins.def: New file.
20476 * tree-iterator.c (expr_only): Clarify comment.
20477 * c-common.h (pushdecl_top_level, pushdecl,
20478 build_modify_expr, build_indirect_ref,
20479 c_finish_omp_master, c_finish_omp_critical,
20480 c_finish_omp_ordered, c_finish_omp_barrier,
20481 c_finish_omp_atomic, c_finish_omp_flush,
20482 c_finish_omp_for, c_split_parallel_clauses,
20483 omp_clause_default_kind, c_omp_sharing_predetermined,
20484 c_omp_remap_decl): Declare.
20485 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
20486 (OBJS-common): Add omp-low.o.
20487 (c-omp.o, omp-low.o): Add.
20488 (gimplify.o): Add dependency on $(OPTABS_H).
20489 (GTFILES): Add omp-low.c.
20490 (gt-stringpool.h): Add.
20491 * tree-cfg.c (set_bb_for_stmt): Do not update the
20492 block-to-labels map if we are currently expanding to RTL.
20493 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
20495 Handle IDENTIFIER_NODE.
20496 (tree_verify_flow_info): Do not ICE when emitting error
20497 messages about invalid labels.
20498 (dump_function_to_file): Reset CFUN before emitting the body
20500 (debug_function): New.
20501 * passes.c (init_optimization_passes): Schedule
20503 * langhooks-def.h (lhd_omp_predetermined_sharing,
20504 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
20506 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
20507 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
20508 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
20509 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
20510 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
20511 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
20512 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
20513 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
20514 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
20515 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
20516 (LANG_HOOK_DECLS): Use them.
20518 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
20519 Richard Henderson <rth@redhat.com>
20520 Jakub Jelinek <jakub@redhat.com>
20521 Diego Novillo <dnovillo@redhat.com>
20523 * c-parser.c (pragma_omp_clause): Define.
20524 (c_parser_declaration_or_fndef): Document OpenMP syntax.
20525 (c_parser_compound_statement): Likewise.
20526 (c_parser_statement): Likewise.
20527 (c_parser_pragma): Handle omp pragmas.
20528 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
20529 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
20530 (c_parser_omp_clause_name, check_no_duplicate_clause,
20531 c_parser_omp_variable_list,
20532 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
20533 c_parser_omp_clause_copyprivate,
20534 c_parser_omp_clause_default,
20535 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
20536 c_parser_omp_clause_lastprivate,
20537 c_parser_omp_clause_nowait,
20538 c_parser_omp_clause_num_threads,
20539 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
20540 c_parser_omp_clause_reduction,
20541 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
20542 c_parser_omp_all_clauses, c_parser_omp_structured_block,
20543 c_parser_omp_atomic, c_parser_omp_barrier,
20544 c_parser_omp_critical, c_parser_omp_flush,
20545 c_parser_omp_for_loop, c_parser_omp_for,
20546 c_parser_omp_master, c_parser_omp_ordered,
20547 c_parser_omp_sections_scope, c_parser_omp_sections,
20548 c_parser_omp_parallel, c_parser_omp_single,
20549 c_parser_omp_construct, c_parser_omp_threadprivate): New.
20550 * c-pragma.c (init_pragma): Do omp pragma registration here.
20551 * c.opt (fopenmp): New flag.
20553 2006-01-18 Eric Christopher <echristo@apple.com>
20555 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
20556 * config/darwin.h (GOMP_SELF_SPECS): Define.
20558 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20560 * rtl.h: Remove the prototype for reg_alloc.
20562 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20565 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
20566 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
20567 sjlj and dwarf2 exception handling.
20568 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
20569 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
20570 * pa/pa.c (function_value): Treat complex and vector types as
20572 (function_arg): Likewise. Only pass scalar floats in the floating
20573 point argument registers.
20574 * pa/t-slibgcc-dwarf-ver: New file.
20575 * pa/t-slibgcc-sjlj-ver: New file.
20576 * pa/t-slibgcc-elf-ver: Delete file.
20578 2006-01-19 Alan Modra <amodra@bigpond.net.au>
20580 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
20581 unlikely_test_section_p test.
20583 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20585 * mode-switching.c (optimize_mode_switching): Make it static.
20586 * basic-block.h: Remove the prototype for
20587 optimize_mode_switching.
20589 * modulo-sched.c (sms_schedule): Make it static.
20590 * rtl.h: Remove the prototype for sms_schedule.
20592 * postreload-gcse.c (gcse_after_reload_main): Make it static.
20593 * rtl.h: Remove the prototype for gcse_after_reload_main.
20595 * reg-stack.c (reg_to_stack): Make it static.
20596 * rtl.h: Remove the prototype for reg_to_stack.
20598 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
20600 * rtl.h: Remove the prototypes for regrename_optimize and
20601 copyprop_hardreg_forward.
20603 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20605 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20606 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20607 Test against the appropriate null constant for the mode.
20608 If 'fixup_overlap' is true, swap the operands if they overlap.
20609 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20610 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20611 alpha_split_tmode_pair and adjust for above change.
20612 * config/alpha/alpha.md (movtf_internal): Adjust call to
20613 alpha_split_tfmode_pair and rely on it to swap the operands.
20614 (movti_internal): New insn and post-reload splitter.
20615 (movti): New expander.
20617 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20619 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20622 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20624 * rtlanal.c (global_reg_mentioned_p_1,
20625 global_reg_mentioned_p): Remove.
20626 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20628 * flow.c (initialize_uninitialized_subregs): Make it static.
20629 * rtl.h: Remove the prototype for
20630 initialize_uninitialized_subregs.
20632 * function.c (instantiate_virtual_regs): Make it static.
20633 * function.h: Remove the prototype for
20634 instantiate_virtual_regs.
20636 * regmove.c (regmove_optimize, combine_stack_adjustments):
20638 * rtl.h: Remove the prototypes for regmove_optimize and
20639 combine_stack_adjustments.
20641 2006-01-17 Roger Sayle <roger@eyesopen.com>
20643 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20644 (size_cost): Encode costs in bytes so that a reg-reg addition is
20645 equivalent to COSTS_N_INSNS(1).
20646 (override_options): Use the size_cost.branch_cost as the default
20647 ix86_branch_cost when optimizing for size.
20649 2006-01-18 Ben Elliston <bje@au.ibm.com>
20651 * Makefile.in (D32PBIT_FUNCS): New.
20652 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20653 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20654 D64PBIT_FUNCS and D128PBIT_FUNCS.
20655 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20656 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20658 (decnumber_dep): Define.
20659 * doc/libgcc.texi (Decimal float library routines): New node.
20660 * config/dfp-bit.h, config/dfp-bit.c: New files.
20662 2006-01-18 Ben Elliston <bje@au.ibm.com>
20664 * expr.c (emit_move_change_mode): Always adjust addresses, not
20665 just during reload. Copy replacements only during reload.
20666 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20667 emit_move_via_integer.
20669 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20671 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20672 instead of $(srcdir) and ${srcdir}.
20674 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20677 PR middle-end/11135
20678 * arm.h (struct machine_function): Add pic_reg.
20679 * arm.c (arm_pic_register): Make unsigned.
20680 (arm_override_options): Only set arm_pic_register if
20681 TARGET_SINGLE_PIC_BASE.
20682 (use_return_insn): Only test for a pic register if it is fixed.
20683 (arm_compute_save_reg0_reg12_mask): Likewise.
20684 (thumb_compute_save_reg_mask): Likewise.
20685 (legitimate_pic_operand): Factor out some known invariants.
20686 (legitimize_pic_address): If we don't have a fixed pic register,
20687 then set up a pseudo in the function entry sequence. Handle the
20688 pic base being in a pseudo.
20689 (arm_load_pic_register): Handle the pic register being in a pseudo.
20690 (arm_expand_prologue): Only set up the pic register if it is fixed.
20691 (thumb_expand_prologue): Likewise.
20692 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20693 (pic_load_addr_based_insn): Likewise.
20694 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20697 2006-01-18 Ben Elliston <bje@au.ibm.com>
20699 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20700 decimal float modes for all floating point registers.
20702 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20703 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20705 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20708 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20709 even when the pointer is not NULL.
20711 2006-01-16 Ian Lance Taylor <ian@airs.com>
20713 * common.opt (ftoplevel-reorder): New option.
20714 * cgraph.c (cgraph_asm_nodes): New global variable.
20715 (cgraph_asm_last_node): New static variable.
20716 (cgraph_order): New global variable.
20717 (cgraph_create_node): Set new order field.
20718 (cgraph_varpool_node): Likewise.
20719 (decide_is_variable_needed): Return true if not
20720 flag_toplevel_reorder.
20721 (cgraph_add_asm_node): New function.
20722 * cgraph.h (struct cgraph_node): Add order field.
20723 (struct cgraph_varpool_node): Add order field.
20724 (struct cgraph_asm_node): Define.
20725 (cgraph_asm_nodes, cgraph_order): Declare.
20726 (cgraph_add_asm_node): Declare.
20727 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20729 (cgraph_varpool_assemble_pending_decls): Call it.
20730 (cgraph_output_pending_asms): New static function.
20731 (cgraph_finalize_compilation_unit): Call it.
20732 (struct cgraph_order_sort): Define.
20733 (cgraph_output_in_order): New static function.
20734 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20735 !flag_toplevel_reorder case.
20736 * c-parser.c: Include "cgraph.h".
20737 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20739 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20740 than -fno-unit-at-a-time.
20741 * doc/invoke.texi (Option Summary): Mention
20742 -fno-toplevel-reorder.
20743 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20744 -funit-at-a-time documentation.
20746 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20747 Kazu Hirata <kazu@codesourcery.com>
20749 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20751 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20753 * Makefile.in (FUNCTION_H): New. Use it instead of
20754 function.h throughout the file.
20755 * function.h: Include tree.h.
20757 2006-01-17 Ben Elliston <bje@au.ibm.com>
20759 * recog.c: Separate some functions with whitespace.
20761 2006-01-16 Richard Henderson <rth@redhat.com>
20763 Merge from gomp branch:
20764 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20765 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20766 and rename from struct inline_data. Rename callee* to dst*;
20767 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20768 transform_new_cfg, transform_return_to_modify, and
20769 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20771 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20772 (copy_decl_for_dup): Remove.
20773 * tree-inline.c (struct inline_data): Move to header.
20774 (insert_decl_map): Export.
20775 (remap_decl): Update for member name changes. Use copy_decl hook.
20776 Allow for replacement to be a non-decl. Remove dead code.
20777 (remap_type_1): Check for existing mapping.
20778 (remap_type): Export.
20779 (remap_decls): Update for member name changes.
20780 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20781 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20782 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20783 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20784 (tree_function_versioning, build_duplicate_type): Likewise.
20785 (copy_body_r): Likewise. Export.
20786 (copy_decl_for_dup): Split into ...
20787 (copy_decl_for_dup_finish, copy_decl_to_var,
20788 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20789 (replace_ref_tree, inlining_p): Remove.
20791 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20793 * ifcvt.c (if_convert): Make it static.
20794 * rtl.h: Remove the prototype for if_convert.
20796 * local-alloc.c (local_alloc): Make it static.
20797 * rtl.h: Remove the prototype for local_alloc.
20799 * loop.c (loop_optimize): Make it static.
20800 * cfgloop.h: Remove the prototype for loop_optimize.
20803 2006-01-16 DJ Delorie <dj@redhat.com>
20805 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20808 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20810 * pa.md: Disparage copies between general and floating-point registers
20811 in 32-bit move patterns.
20813 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
20816 * Makefile.in (check-%): Depend on site.exp instead of
20817 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
20820 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20822 * global.c (global_alloc): Make it static.
20823 * rtl.h: Remove the prototype for global_alloc.
20825 2006-01-16 Richard Guenther <rguenther@suse.de>
20827 * tree-ssa-alias.c (struct used_part): Add write_only field.
20828 (get_or_create_used_part_for): Initialize it to true.
20829 (create_overlap_variables_for): Don't create structure variables
20830 for structures that only are written to.
20831 (find_used_portions): Handle MODIFY_EXPR to track whether a
20832 structure is only written to.
20834 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20836 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
20838 * basic-block.h: Remove the prototype for
20839 partition_hot_cold_basic_blocks.
20841 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
20843 * cppspec.c (lang_specific_spec_functions): Remove.
20844 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
20845 * gcc.h (lang_specific_spec_functions): Remove.
20846 * gccspec.c (lang_specific_spec_functions): Remove.
20848 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
20850 * combine.c (record_value_for_reg): Invalidate registers
20852 (record_dead_and_set_regs_1): Likewise, by passing them to
20853 record_value_for_reg.
20854 (record_dead_and_set_regs): Invalidate stores made by a
20855 call. We do not combine across a call, but we still
20856 relied on equivalences.
20858 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20860 * tree-vrp.c (extract_range_from_binary_expr): Cope with
20861 vrp_int_const_binop returning non-constant nodes.
20863 2006-01-16 Paul Brook <paul@codesourcery.com>
20865 * config/m68k/m68k.c (output_move_const_into_data_reg):
20866 Output correct mnemonic for mvz and mvs.
20868 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
20870 * rtl-factoring.c: Add sequence abstraction algorithm.
20871 * cfgcleanup.c (outgoing_edges_match): Extra checks.
20872 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
20874 (block_has_preserve_label): New function.
20875 * common.opt: Register new pass.
20876 * Makefile.in: Ditto.
20878 * timevar.def: Ditto.
20879 * tree-pass.h: Ditto.
20880 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
20881 * rtl.h (make_jump_insn_raw): Add forward decl.
20882 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
20884 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20885 Roger Sayle <roger@eyesopen.com>
20887 * fold-const.c (fold_minmax): New static function.
20888 (fold_binary) <MIN_EXPR>: Call it.
20889 <MAX_EXPR>: Likewise.
20890 * stor-layout.c (place_field): Use DECL_SIZE consistently
20891 in the computation of the new record size.
20893 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20895 * cse.c (cse_condition_code_reg): Make it static.
20896 * rtl.h: Remove the prototype for cse_condition_code_reg.
20898 * combine.c (combine_instructions): Make it static.
20899 * rtl.h: Remove the prototype for combine_instructions.
20901 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20904 * tree.c (get_file_function_name_long): Concatenate the first global
20905 object name with a string derived from the input filename of the object
20908 2006-01-16 Ben Elliston <bje@au.ibm.com>
20910 * config/i386/winnt-stubs.c: Update FSF address.
20911 * config/xtensa/ieee754-df.S: Ditto.
20912 * config/xtensa/ieee754-sf.S: Ditto.
20914 2006-01-14 Ian Lance Taylor <ian@airs.com>
20916 * ifcvt.c (noce_init_if_info): New static function, broken out of
20917 noce_process_if_block.
20918 (noce_process_if_block): Call noce_init_if_info.
20919 (check_cond_move_block): New static function.
20920 (cond_move_process_if_block): New static function.
20921 (process_if_block): Call cond_move_process_if_block.
20923 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
20925 * cselib.c (hash_table): Rename to cselib_hash_table.
20926 (cselib_clear_table, discard_useless_values,
20927 remove_useless_values, cselib_lookup_mem, cselib_lookup,
20928 cselib_init, cselib_finish): Adjust uses of hash_table.
20930 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
20932 PR tree-optimization/25485
20933 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
20934 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
20935 is known to be false and true, respectively.
20937 2006-01-14 Richard Guenther <rguenther@suse.de>
20939 PR tree-optimization/22548
20940 PR tree-optimization/22555
20941 PR tree-optimization/22501
20942 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
20943 * params.def (salias-max-array-elements): New parameter.
20944 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
20945 * doc/invoke.texi (salias-max-array-elements): Document.
20946 * tree-flow-inline.h (var_can_have_subvars): We also handle
20948 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
20950 * tree-ssa-structalias.c (params.h): Include.
20951 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
20952 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
20953 (get_constraint_for): For ADDR_EXPR operating on something
20954 containing an ARRAY_REF, add all subvars to the solution.
20955 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
20956 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
20957 for creating MUST_DEFs.
20958 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
20960 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
20962 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
20964 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20965 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
20966 number_of_iterations_le): New functions.
20967 (number_of_iterations_special): Removed.
20968 (number_of_iterations_exit): Do not use number_of_iterations_special.
20969 * tree.c (unsigned_type_for): Always return integer type.
20971 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
20972 Richard Guenther <rguenther@suse.de>
20974 PR rtl-optimization/24257
20975 * gcse.c (find_moveable_store): Only consider a store movable
20976 when the SET_SRC of the insn can be assigned to a register.
20978 2006-01-14 Ian Lance Taylor <ian@airs.com>
20980 * tree.c (tree_not_class_check_failed): New function.
20981 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
20982 (tree_not_class_check_failed): Declare.
20984 2006-01-13 Ian Lance Taylor <ian@airs.com>
20986 * reload1.c (do_output_reload): Add assertion rejecting a
20989 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
20991 * combine.c (struct reg_stat): Add new fields truncation_label and
20993 (record_value_for_reg): Reset truncated_to_mode.
20994 (record_truncated_value): New function.
20995 (check_promoted_subreg): Call it. Rename to check_conversions.
20996 (combine_instructions): Rename check_promoted_subreg to
20998 (reg_truncated_to_mode): New function.
20999 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
21000 (gen_lowpart_or_truncate): New function.
21001 (force_to_mode): Use it instead of gen_lowpart.
21003 2006-01-13 Diego Novillo <dnovillo@redhat.com>
21005 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
21006 VAR is a tag, not its type tag.
21008 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
21010 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
21011 alternatives to match style of other entries.
21012 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
21014 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
21016 PR tree-optimization/25771
21017 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
21020 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
21023 * tree-inline.c (declare_return_variable): If the return variable
21024 was marked as a non gimple complex, set the return slot variable
21025 to be a non gimple comple variable.
21027 2006-01-13 Richard Guenther <rguenther@suse.de>
21029 * builtins.c (expand_builtin_sincos): New function.
21030 (expand_builtin_mathfn_3): Remove dead code, sin and cos
21032 (expand_builtin): Expand sincos using expand_builtin_sincos.
21034 2006-01-12 DJ Delorie <dj@redhat.com>
21036 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
21037 shift counts, separate SI shifts for m32c vs m16c, pass shift type
21038 so that constant shifts can be split.
21039 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
21040 (m32c_valid_pointer_mode): Make static.
21041 (shift_gen_func_for): New.
21042 (m32c_prepare_shift): Use it. Split large const shifts into
21044 * config/m32c/predicates.md (shiftcount_operand): Allow more
21046 (longshiftcount_operand): New.
21047 * doc/md.texi (Machine Constraints): Document In6.
21049 2006-01-13 Ben Elliston <bje@au.ibm.com>
21051 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
21052 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
21055 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
21057 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
21058 to try to avoid clobbering pieces of structures when we know
21059 something about the whole structure.
21060 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
21062 2006-01-13 Ben Elliston <bje@au.ibm.com>
21064 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
21065 return in memory, as this is no limitation is no longer present.
21067 2006-01-12 DJ Delorie <dj@redhat.com>
21069 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
21070 mova with fb, and for fb+0 -> An.
21072 * config/m32c/mov.md (peephole2): Fix enabling logic.
21074 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
21075 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
21076 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
21077 FINI_ARRAY_SECTION_ASM_OP): Define.
21079 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
21081 (m32c_legitimize_reload_address): New logic to reload FB to An.
21082 (m32c_output_reg_push): Add newline.
21083 (m32c_output_reg_pop): Likewise.
21085 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
21087 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
21089 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
21091 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
21093 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21095 * config/sh/predicates.md (sh_rep_vec): Add parallel to
21098 2006-01-11 Ben Elliston <bje@au.ibm.com>
21100 * rtlanal.c (find_reg_note): Assert insn is not null.
21102 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21104 * df-scan.c (df_hard_reg_init): Move declaration of i outside
21107 2006-01-11 Jeff Law <law@redhat.com>
21109 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
21111 (mark_threaded_blocks, register_jump_thread): New functions.
21112 (thread_through_all_blocks): Remove unwanted argument. No
21113 longer rely on e->aux to communicate thread target info.
21114 Call mark_threaded_blocks. Release the threaded_blocks
21115 bitmap and threaded_edges vector when complete.
21116 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
21117 (threaded_blocks): Remove.
21118 (tree_ssa_dominator_optimize): Remove initialization and
21119 finalization of threaded_blocks. Simplify call to
21120 thread_through_all_blocks.
21121 (thread_across_edge): Call register_jump_thread rather than
21122 storing thread information into e->aux.
21123 (free_all_edge_infos): Simplify now that e->aux is no longer
21124 used to communicate with thread_through_all_blocks.
21125 * tree-flow.h (thread_through_all_blocks): Update prototype.
21126 (register_jump_thread): Prototype.
21128 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21130 * df-core.c (df_compact_blocks, df_bb_replace): Use
21131 SET_BASIC_BLOCK instead of BASIC_BLOCK.
21133 2006-01-11 Richard Guenther <rguenther@suse.de>
21135 PR tree-optimization/25734
21136 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
21137 stop propagation after successful propagation to the LHS.
21139 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21141 * basic-block.h (control_flow_graph): Change the type of
21142 x_basic_block_info to VEC(basic_block,gc) *.
21143 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
21145 (SET_BASIC_BLOCK): New.
21146 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
21147 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
21148 * cfgbuild.c (find_basic_blocks): Likewise.
21149 * cfglayout.c (fixup_reorder_chain): Likewise.
21150 * cfgrtl.c (create_basic_block_structure,
21151 rtl_create_basic_block): Likewise.
21152 * ifcvt.c (find_if_case_1): Likewise.
21153 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
21156 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21158 * Makefile.in: Removed rotted odf.c entry.
21160 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
21163 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
21164 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
21165 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
21166 output pattern modifier, not %e.
21167 * config/cris/cris.c (cris_op_str): Update comment about pattern
21169 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
21170 before falling through into...
21171 <case 'E'>: Redefined from old 'e' case.
21173 2006-01-11 Jan Hubicka <jh@suse.cz>
21176 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
21178 2006-01-11 Jan Hubicka <jh@suse.cz>
21180 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
21181 * i386.c (x86_decompose_lea): Kill.
21182 (ix86_rtx_costs): Kill.
21184 2006-01-11 Jan Hubicka <jh@suse.cz>
21186 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
21187 * cgraph.h (cgraph_node): Add inline_decl.
21188 (cgraph_insert_node_to_hashtable): Declare.
21189 (save_inline_function_body): Declare.
21190 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
21192 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
21193 (cgraph_function_versioning): Update call of tree_function_versioning.
21194 (save_inline_function_body): New function.
21195 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
21196 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
21197 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
21198 (cgraph_default_inline_p): Likewise.
21199 (cgraph_decide_inlining_incrementally): Likewise.
21200 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
21201 (copy_bb): Kill saving; do updating of clones.
21202 (copy_cfg_body): Kill saving.
21203 (initialize_inlined-parameters): Likewise.
21204 (expand_call_inline): Likewise.
21206 (tree_function_versioning): New parameter "update_clones".
21207 (inlining_p): Kill saving.
21208 * tree-inline.h (tree_function_versioning): Update prototype.
21209 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
21212 2006-01-11 Ian Lance Taylor <ian@airs.com>
21214 * combine.c (struct undo): Remove is_int. Enumify types of undos.
21215 Allow undoing set of machine mode.
21216 (do_SUBST): Use enums instead of is_int.
21217 (do_SUBST_MODE): New function.
21218 (SUBST_MODE): New macro.
21219 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
21220 reg and trying to replace reg_regno_rtx with a new register.
21221 (undo_all): Use new enums, handle undoing a PUT_MODE change.
21222 (simplify_set): Use SUBST_MODE.
21223 (distribute_notes): Remove code that tried to update reg notes
21224 for regno_reg_rtx changes.
21226 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
21228 PR tree-optimization/23109
21229 PR tree-optimization/23948
21230 PR tree-optimization/24123
21232 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
21233 * tree-cfg.c (single_noncomplex_succ): New.
21234 * tree-flow.h (single_noncomplex_succ): Declare it.
21235 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21236 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21237 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
21238 insert_bb, register_division_in, insert_reciprocals,
21239 replace_reciprocal, free_bb): New.
21240 (execute_cse_reciprocals_1): Rewritten.
21241 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
21242 Do not commit any edge insertion. Always compute dominators and
21243 create the allocation pool.
21244 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
21245 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
21246 * targhooks.c (default_min_divistions_for_recip_mul): New.
21247 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
21248 * passes.c (init_optimization_passes): Run recip after tree loop
21250 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
21252 2006-01-11 Danny Berlin <dberlin@dberlin.org>
21253 Kenneth Zadeck <zadeck@naturalbridge.com>
21255 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
21256 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
21257 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
21258 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
21259 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
21260 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
21261 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
21262 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
21263 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
21264 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
21265 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
21266 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
21267 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
21268 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
21269 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
21270 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
21271 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
21272 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
21273 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
21274 DF_SCAN_POST_ALLOC): New macros.
21275 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
21276 df_free_bb_function, df_local_compute_function, df_init_function,
21277 df_dataflow_function, df_confluence_function_0,
21278 df_confluence_function_n, df_transfer_function,
21279 df_finalizer_function, df_free_function, df_dump_problem_function,
21280 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
21281 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
21282 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
21283 df_urec_bb_info, ) New types.
21284 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
21286 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
21287 df_analyze_simple_change_some_blocks,
21288 df_analyze_simple_change_one_block, df_compact_blocks,
21289 df_bb_replace, df_bb_regno_last_use_find,
21290 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
21291 df_insn_regno_def_p, df_find_def, df_find_use,
21292 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
21293 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
21294 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
21295 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
21296 debug_df_chain, df_get_dependent_problem, df_chain_create,
21297 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
21298 df_grow_bb_info, df_chain_dump, df_print_bb_index,
21299 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
21300 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
21301 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
21302 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
21303 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
21304 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
21305 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
21306 df_ref_remove, df_insn_refs_delete, df_refs_delete,
21307 df_reorganize_refs, df_set_state, df_hard_reg_init,
21308 df_read_modify_subreg_p) New public functions.
21309 * df-core.c: The core dataflow solver and glue routines for rtl
21311 (df_init, df_add_problem, df_set_blocks, df_finish,
21312 df_hybrid_search_forward, df_hybrid_search_backward,
21313 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
21314 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
21315 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
21316 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
21317 df_reg_defined, df_find_use, df_reg_used, df_dump,
21318 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
21319 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
21320 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
21321 debug_df_useno, reset_df_after_reload): New functions.
21322 * df-scan.c: The scanning fuctions, once in df.c, completely
21323 rewritten so that they now fully model the functionality of
21324 register usage at the backend.
21325 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
21326 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
21327 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
21328 df_grow_insn_info, df_rescan_blocks, df_ref_create,
21329 df_get_artificial_defs, df_get_artificial_uses,
21330 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
21331 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
21332 df_refs_delete, df_reorganize_refs, df_set_state,
21333 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
21334 df_def_record_1, df_defs_record, df_uses_record,
21335 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
21336 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
21337 df_record_exit_block_uses, df_hard_reg_init): New functions.
21339 * df-problems.c: Seven concrete dataflow problems that use the
21340 scanning in df-scan.c and are solved by the engine in df-core.c.
21341 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
21342 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
21343 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
21344 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
21345 df_ru_free_bb_info, df_ru_alloc,
21346 df_ru_bb_local_compute_process_def,
21347 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
21348 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
21349 df_ru_transfer_function, df_ru_free, df_ru_dump,
21350 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
21351 df_rd_free_bb_info, df_rd_alloc,
21352 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
21353 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
21354 df_rd_transfer_function, df_rd_free, df_rd_dump,
21355 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
21356 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
21357 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
21358 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
21359 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
21360 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
21361 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
21362 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
21363 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
21364 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
21365 df_urec_mark_reg_change, df_urec_check_earlyclobber,
21366 df_urec_mark_reg_use_for_earlyclobber,
21367 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
21368 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
21369 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
21370 df_urec_dump, df_urec_add_problem, df_chain_alloc,
21371 df_chain_create_bb_process_use, df_chain_create_bb,
21372 df_chain_finalize, df_chain_free, df_chains_dump,
21373 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
21374 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
21375 df_reg_lifetime): New functions.
21376 * df.c: Deleted file.
21377 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
21378 consistent with new df api.
21379 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
21380 rest_of_handle_sms): Ditto.
21381 * web.c (unionfind_union, union_defs, entry_register, web_main):
21383 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
21384 invariant_expr_equal_p, find_defs, check_dependencies,
21385 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
21386 free_inv_motion_data, move_loop_invariants): Ditto.
21387 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
21388 Update dependencies.
21389 (odf.c): Added defective entry that was deleted later in day.
21390 * sched-deps.c (sched_analyze_1): Ditto.
21392 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
21394 * tree-ssa-operands.c (get_expr_operands): Record addressable
21395 variables directly. Do not call add_stmt_operands for CONST_DECLs
21397 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
21398 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
21400 2006-01-11 Ben Elliston <bje@au.ibm.com>
21402 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
21403 function returns true in the positive case.
21405 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21408 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
21409 for SI, DI, SF and DF modes. Add alternatives to copy between
21410 general and floating point registers to the 32-bit patterns.
21411 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
21412 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
21413 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
21414 generating 64-bit code.
21415 * config/pa/pa.c (output_move_double): Handle copies between general
21416 and floating registers.
21418 2006-01-10 Stuart Hastings <stuart@apple.com>
21420 * config/i386/i386.md (set_got): Update.
21421 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
21422 (builtin_setjmp_receiver): Mach-O support.
21423 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
21424 (GOT_SYMBOL_NAME): Define.
21425 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
21426 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
21427 * config/i386/i386.c (override_options): Revise for Darwin.
21428 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
21429 support. (darwin_x86_file_end): New. (output_set_got): Add label
21430 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
21431 * config/i386/i386-protos.h (output_set_got): Likewise.
21432 * config/darwin.c (machopic_legitimize_pic_address): Update
21435 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
21437 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
21438 when MODE isn't BLKmode.
21440 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
21442 PR rtl-optimization/25367
21443 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
21445 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
21448 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
21449 for a negative bound.
21451 2006-01-10 Richard Guenther <rguenther@suse.de>
21453 * tree-ssa-structalias.c (get_constraint_for_component_ref):
21454 Never override with anything constraint.
21456 2006-01-10 Jan Beulich <jbeulich@novell.com>
21458 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
21459 256 bits when optimize_size.
21461 2006-01-10 Jan Beulich <jbeulich@novell.com>
21463 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
21465 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
21466 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
21469 2006-01-10 Ben Elliston <bje@au.ibm.com>
21471 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
21473 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
21474 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
21475 (USE_FP_FOR_ARG): Reject decimal float modes.
21476 (function_arg_advance): Likewise.
21477 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
21478 (rs6000_handle_altivec_attribute): Do not permit decimal floating
21479 point types in AltiVec vectors.
21480 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
21481 (rs6000_libcall_value): Likewise.
21483 2006-01-09 Bob Wilson <bob.wilson@acm.org>
21485 * config/xtensa/ieee754-df.S: New file.
21486 * config/xtensa/ieee754-sf.S: New file.
21487 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
21488 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
21489 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
21491 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
21493 * config/sh/predicates.md (binary_float_operator,
21494 binary_logical_operator, commutative_float_operator,
21495 equality_comparison_operator, greater_comparison_operator,
21496 less_comparison_operator, logical_operator,
21497 noncommutative_float_operator, shift_operator,
21498 symbol_ref_operand, unary_float_operator): Remove redundant
21501 2006-01-09 Jeff Law <law@redhat.com>
21503 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
21504 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
21505 now unused arguments. Callers updated.
21506 (eliminate_redundant_computations): Remove now unused arguments,
21508 (local_fold): Remove, no longer used.
21509 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
21511 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
21512 (simplify_cond): New function.
21513 (forward_propagate_into_cond): Call simplify_cond.
21515 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
21517 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
21518 (*vec_extractv2di_1_sse): New.
21520 2006-01-09 Ben Elliston <bje@au.ibm.com>
21522 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
21524 2006-01-08 Richard Guenther <rguenther@suse.de>
21526 * tree-ssa-structalias.c (get_constraint_for): Remove
21527 anyoffset argument.
21528 (get_constraint_for_component_ref): Likewise.
21529 (do_deref): Likewise.
21530 (get_constraint_for): Likewise.
21531 (do_structure_copy): Likewise.
21532 (handle_ptr_arith): Likewise.
21533 (find_func_aliases): Likewise. Remove unused need_anyoffset
21536 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
21537 Kaz Kojima <kkojima@gcc.gnu.org>
21539 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
21540 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
21541 (EXTRA_CONSTRAINT_C16): Remove.
21542 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
21543 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
21544 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
21545 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
21546 constants of SHmedia. Handle nested constant expressions of
21548 (andcosts): Fix the costs for SHmedia constants.
21549 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
21550 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
21551 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
21552 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
21553 (movv4hi_i, movv2si_i): Likewise.
21554 (movsi_const): Adjust the second operand of ior so to match with
21555 the Csu constraint.
21556 (movdi_const, movdi_const_32bit): Likewise.
21557 (movdi_const_16bit+1): Don't sign-extend LOW.
21558 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
21560 (*double_shori): Fix the split condition. Use GEN_INT instead
21561 of get_int_mode calls. Mask lower 16-bit of the argument of
21563 (sym2GOTPLT): Remove.
21564 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
21566 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
21567 instead of EXTRA_CONSTRAINT_C16.
21569 2006-01-07 Ian Lance Taylor <ian@airs.com>
21570 David Edelsohn <edelsohn@gnu.org>
21572 PR rtl-optimization/25662
21573 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
21574 for constant operands instead of simplify_gen_binary.
21575 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
21576 after trying simplify_binary_operation
21578 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
21580 * tree.c (iterative_hash_expr): Hash decls based on UID.
21582 2006-01-06 Eric Christopher <echristo@apple.com>
21584 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
21585 (TARGET_UNWIND_EMIT): Fix spelling.
21586 * target.h (gcc_target): Add except_table_label.
21587 * except.c (output_function_exception_table): Use.
21588 * varasm.c (default_emit_except_table_label): New.
21589 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
21591 (asm_out): Add here.
21592 * output.h (default_emit_except_table_label): Prototype.
21593 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
21594 * config/darwin.c (darwin_emit_except_table_label): Define.
21595 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
21597 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
21599 PR tree-optimization/18527
21600 * tree-ssa-loop-niter.c (number_of_iterations_cond,
21601 number_of_iterations_special, number_of_iterations_exit):
21602 Move base and step of an iv to a single structure. Add
21603 no_overflow flag, and use it in # of iterations analysis.
21604 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21605 folded_casts argument.
21606 (simple_iv): Pass base and step in a structure. Set no_overflow
21608 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21609 Evaluate expensiveness of computing # of iterations instead of
21610 the final expression.
21611 * tree-scalar-evolution.h (affine_iv): New structure.
21612 (simple_iv): Declaration changed.
21613 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21614 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21615 find_givs_in_stmt): Changed due to simple_iv change.
21617 2006-01-06 Jeff Law <law@redhat.com>
21620 * tree-cfg.c (bsi_replace): Rename final argument from
21621 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21622 change (stmt -> orig_stmt).
21623 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21624 (bsi_remove): Add new argument. Remove EH information
21626 (verify_eh_throw_table_statements): New function.
21627 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21629 * tree-optimize.c (execute_free_cfg_annotations): Verify
21630 the EH throw statement table after removing annotations.
21631 * except.h (verify_eh_throw_table_statements): Prototype.
21632 * tree-flow.h (bsi_remove): Update prototype.
21633 * tree-vrp.c (remove_range_assertions): Add new argument to
21635 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21636 * tree-complex.c (expand_complex_div_wide): Likewise.
21637 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21638 * tree-tailcall.c (eliminate_tailcall): Likewise.
21639 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21640 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21641 * tree-nrv.c (tree_nrv): Likewise.
21642 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21643 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21644 (combine_blocks): Likewise.
21645 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21646 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21647 (cleanup_control_flow): Likewise.
21648 (remove_forwarder_block): Likewise.
21649 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21650 * tree-sra.c (sra_replace): Likewise.
21651 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21652 (forward_propagate_single_use_vars): Likewise.
21653 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21654 * tree-inline.c (expand_call_inline): Likewise.
21655 * tree-vect-transform.c (vect_transform_loop): Likewise.
21656 * tree-outof-ssa.c (rewrite_trees): Likewise.
21657 * tree-cfg.c (make_goto_expr_edges): Likewise.
21658 (cleanup_dead_labels): Likewise.
21659 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21660 (bsi_move_before, bsi_move_after): Likewise.
21661 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21662 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21664 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21667 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21669 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21670 on non gimple variables. Also add checks at the top for decls and
21672 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21674 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21675 and IMAGPART_EXPR for creating MUST_DEFs.
21676 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21677 and NAME_MEMORY_TAG separately from the DECLs.
21679 2006-01-06 Richard Guenther <rguenther@suse.de>
21681 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21682 annotation, if necessary.
21683 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21684 redundant calls to update_stmt.
21685 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21688 2006-01-05 Richard Henderson <rth@redhat.com>
21690 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21692 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21694 * c-typeck.c: Update copyright date.
21696 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21698 * c-typeck.c (build_c_cast): Always warn when casting
21699 from a pointer to an integer of different size, even if
21700 the node was constant.
21702 2006-01-05 Richard Guenther <rguenther@suse.de>
21704 PR tree-optimization/22555
21705 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21706 if one structure field is an array.
21707 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21708 operands even if we found a subvar, but ignore VOPs in this
21710 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21712 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21714 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21716 PR middle-end/24998
21717 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21719 2006-01-05 Richard Guenther <rguenther@suse.de>
21720 Diego Novillo <dnovillo@redhat.com>
21722 * tree-pass.h (TODO_remove_unused_locals): Define.
21723 * gimple-low.c (expand_var_p, remove_useless_vars,
21724 pass_remove_useless_vars): Remove. Update all users.
21725 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21726 (remove_unused_locals): New function.
21727 * tree-flow.h (remove_unused_locals): Declare.
21728 * passes.c (execute_todo): Call remove_unused_locals if
21729 TODO_remove_unused_locals is set.
21730 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21731 * tree-ssa-dce.c (pass_dce): Likewise.
21732 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21734 2006-01-05 Richard Guenther <rguenther@suse.de>
21736 * tree-flow.h (struct fieldoff): Decompose field to
21737 type, size and decl.
21738 * tree-ssa-alias.c (create_sft): Take type as parameter.
21739 (create_overlap_variables_for): Store type, size and decl
21740 in the fieldoff structure.
21741 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21742 of struct fieldoff.
21743 (push_fields_onto_fieldstack): Likewise.
21744 (create_variable_info_for): Likewise. Use offset for the
21745 SFT name if the decl is not available.
21747 2006-01-04 Paul Brook <paul@codesourcery.com>
21749 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21751 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21753 * lambda-code.c (can_put_in_inner_loop): Relax
21755 (can_put_after_inner_loop): New function.
21756 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21757 (perfect_nestify): Change to make copies and modify uses.
21759 2006-01-04 Richard Henderson <rth@redhat.com>
21761 Merge from gomp branch:
21762 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21763 via integer constant.
21764 (pragma_lex): Remove.
21765 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21766 rather than parsing it.
21767 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21768 handle_pragma_extern_prefix): Add %< %> quotes.
21769 (registered_pragmas): New.
21770 (c_register_pragma_1): New.
21771 (c_register_pragma): Use it.
21772 (c_register_pragma_with_expansion): Likewise.
21773 (c_invoke_pragma_handler): New.
21774 (init_pragma): Use cpp_register_deferred_pragma directly for
21776 * c-pragma.h (enum pragma_kind): New.
21777 (pragma_handler): New.
21778 (c_invoke_pragma_handler): Declare.
21779 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21781 * c-common.h (c_common_pch_pragma): Update decl.
21782 * Makefile.in (c-parser.o): Update dependencies.
21783 (GTFILES): Add c-pragma.h.
21784 * c-parser.c (struct c_token): Add pragma_kind.
21785 (struct c_parser): Add in_pragma.
21786 (c_lex_one_token): Always initialize keyword and pragma_kind.
21787 Extract data for CPP_PRAGMA.
21788 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21789 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21790 Don't allow CPP_PRAGMA_EOL if in_pragma.
21791 (c_parser_consume_pragma): New.
21792 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21793 (c_parser_skip_to_end_of_parameter): Likewise.
21794 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21795 (c_parser_skip_to_pragma_eol): New.
21796 (c_parser_external_declaration): Handle CPP_PRAGMA.
21797 (c_parser_compound_statement_nostart): Likewise.
21798 (c_parser_statement_after_labels): Likewise.
21799 (c_parser_pragma): New.
21800 (pragma_lex): Likewise.
21801 (c_parser_pragma_pch_preprocess): New.
21802 (c_parser_new): Merge into ...
21803 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21805 2006-01-04 Jeff Law <law@redhat.com>
21808 * tree-cfg.c (bsi_replace): Remove the original statement
21809 from the EH throw statement table.
21811 2006-01-04 Jakub Jelinek <jakub@redhat.com>
21813 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
21814 make the prototype extern "C" and add throw ().
21817 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
21818 and pos non-negative and pos + len <= 32.
21819 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
21820 drop pos + len < HOST_BITS_PER_WIDE_INT test.
21821 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
21824 * c-common.c (handle_vector_size_attribute): Reject zero vector size
21825 as well as sizes not multiple of component size.
21828 * function.c (instantiate_expr): New function.
21829 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
21830 walk its DECL_VALUE_EXPR with instantiate_expr.
21832 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
21833 DW_OP_deref{,_size} if address isn't going to be added.
21835 2006-01-04 Ben Elliston <bje@au.ibm.com>
21837 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
21838 * config/fp-bit.c: Likewise.
21840 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
21842 * dominance.c: Add comment about why we use DFS numbering
21845 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21846 Richard Henderson <rth@redhat.com>
21848 Merge from gomp-branch:
21849 * varasm.c (assemble_variable): Handle thread-local COMMON data.
21850 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
21852 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
21854 PR rtl-optimization/25578
21855 * combine.c (combine_simplify_rtx, force_to_mode): Don't
21856 pass a parameter to simplify_shift_const if changing ASHIFTRT
21859 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
21861 * builtins.c (get_builtin_sync_mem): New function.
21862 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
21863 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
21864 Call get_builtin_sync_mem to generate mem rtx.
21866 2006-01-03 Richard Guenther <rguenther@suse.de>
21869 * stmt.c (add_case_node): Make sure to clear overflow flags
21872 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21874 Merge from gomp-branch.
21875 * config/sparc/sync.md: New file.
21876 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
21877 UNSPECV_LDSTUB): New constants.
21878 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
21879 * config/sparc/predicates.md (memory_reg_operand): New predicate.
21880 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
21883 2006-01-03 Roger Sayle <roger@eyesopen.com>
21885 * combine.c (reg_subword_p): New predicate to test whether the
21886 destination of a set refers to a subword/piece of a register.
21887 (try_combine): Generalize the code to merge the setting of a
21888 pseudo to a constant followed by a set of a subword of that
21889 register to a constant.
21891 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
21893 * basic-block.h (control_flow_graph): Change the type of
21894 x_label_to_block_map to VEC(basic_block,gc) *.
21895 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
21896 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
21898 * tree-ssa-propagate.c (cfg_blocks): Change the type to
21899 VEC(basic_block,heap) *.
21900 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
21901 ssa_prop_fini): Adjust the uses of cfg_blocks.
21903 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
21905 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
21907 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
21908 hashing trees instead of a pointer hash.
21909 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
21910 compare for MEM_EXPR.
21912 PR rtl-optimization/25130
21913 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
21914 when comparing MEMs for GCSE
21916 2006-01-03 Ben Elliston <bje@au.ibm.com>
21918 * targhooks.h (default_decimal_float_supported_p): Declare.
21919 * targhooks.c (default_decimal_float_supported_p): Define.
21920 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
21921 `default_decimal_float_supported_p'.
21922 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
21924 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
21926 * combine.c (apply_distributive_law <SUBREG>): Check
21927 TRULY_NOOP_TRUNCATION.
21929 2006-01-02 Geoffrey Keating <geoffk@apple.com>
21931 * dwarf2out.c (have_switched_text_section): Delete.
21932 (have_multiple_function_sections): New.
21933 (have_location_lists): Make 'bool'.
21934 (add_AT_loc_list): Use 'true' not '1'.
21935 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
21936 (output_loc_list): Use have_multiple_function_sections.
21937 (output_ranges): Likewise.
21938 (dwarf2out_begin_function): Set have_multiple_function_sections if
21940 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
21941 Check function_section rather than DECL_SECTION_NAME.
21942 (dwarf2out_finish): Use have_multiple_function_sections.
21943 Don't clear have_location_lists.
21945 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
21946 Jan Hubicka <jh@suse.cz>
21948 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
21949 case of conditional jump jumping to the next instruction.
21950 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
21951 cases of conditional jump jumping to the next instruction.
21953 2006-01-02 Jan Hubicka <jh@suse.cz>
21955 * i386.c (*_cost): Add COSTS_N_INSNS.
21956 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
21958 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
21961 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
21963 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
21965 * config/arm/arm.c (all_fpus): Fix comment typo.
21966 * config/darwin.c: Likewise.
21967 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
21968 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
21969 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
21971 2006-01-01 David Edelsohn <edelsohn@gnu.org>
21973 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
21974 (rs6000_split_compare_and_swapqhi): New.
21975 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
21976 (sync_compare_and_swapqhi_internal): New.
21977 * config/rs6000/rs6000-protos.h: Declare.