1 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
3 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
4 (tree_pointer_compare): Remove.
6 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
8 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
9 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
10 * tree-loop-linear.c (linear_transform_loops): Ditto.
11 * tree-ssa-loop-im.c (determine_lsm): Ditto.
12 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
13 free_numbers_of_iterations_estimates): Ditto.
14 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
15 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
17 * modulo-sched.c (sms_schedule): Ditto.
18 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
19 tree_unroll_loops_completely): Ditto.
20 * predict.c (predict_loops): Ditto.
21 * tree-if-conv.c (main_tree_if_conversion): Ditto.
22 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
23 decide_unrolling_and_peeling): Ditto.
24 * cfgloopmanip.c (unloop): Use delete_loop.
25 (place_new_loop): Access larray vector instead of parray.
26 (create_preheaders, force_single_succ_latches,
27 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
28 * loop-doloop.c (doloop_optimize_loops): Ditto.
29 * loop-invariant.c (move_loop_invariants): Ditto.
30 * tree-cfg.c (replace_uses_by): Ditto.
31 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
32 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
34 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
36 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
37 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
38 get_loop and get_chrec_loop.
39 (number_of_iterations_for_all_loops): Use number_of_loops.
40 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
41 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
42 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
44 * tree-chrec.c (evolution_function_is_invariant_rec_p,
45 chrec_convert_1): Use get_loop and get_chrec_loop.
46 * loop-init.c (loop_optimizer_init): Use number_of_loops.
47 (loop_optimizer_init): Use FOR_EACH_LOOP.
48 * tree-vectorizer.c (vect_loops_num): Removed.
49 (vectorize_loops): Store number of loops locally. Use
50 FOR_EACH_LOOP and get_loop.
51 * tree-vectorizer.h (vect_loops_num): Removed.
52 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
53 (find_data_references_in_loop): Do not set parallel_p.
54 * tree-data-ref.h: Do not declare VEC(loop_p).
55 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
56 verify_loop_structure): Use FOR_EACH_LOOP.
57 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
58 (initialize_loops_parallel_p): Removed.
59 (flow_loops_find): Push the loops into a vector.
60 (delete_loop): New function.
61 (cancel_loop): Use delete_loop.
62 * cfgloop.h: Declare VEC(loop_p).
63 (struct loop): Remove parallel_p field.
64 (struct loops): Replace num and parray field by larray vector.
65 Remove shared_headers field.
66 (delete_loop): Declare.
67 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
69 * doc/loop.tex: Document new accessor functions.
71 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
73 * common.opt (-ftree-lrs): Remove live range splitting option.
74 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
75 * opts.c (decode_options): Remove flag_tree_live_range_split.
76 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
77 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
78 * tree-outof-ssa.c: Remove header files which aren't needed.
79 (SSANORM_*): Remove flags.
80 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
81 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
82 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
83 (assign_vars): Use Basevar instead of root_var structure.
84 (replace_def_variable): Dont do anything if def is replaceable.
85 (remove_ssa_form): Integrate functional changes.
86 (rewrite_out_of_ssa): Remove live-range_split option.
87 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
88 (coalesce_cost): Calculate the cost of a coalesce.
89 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
90 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
91 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
92 (pop_best_coalesce): Remove the best coalesce from the list.
93 (coalesce_pair_map_hash): Calculate coalesce pair hash.
94 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
95 (create_coalesce_list): Create a coalesce list object.
96 (delete_coalesce_list): Free a coalesce list object.
97 (find_coalesce_pair): Find matching pair in the coalesce list.
98 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
99 (add_coalesce): Add a coalesce to the coalesce list.
100 (compare_pairs): Comparision function to determine pair sorted order.
101 (num_coalesce_pairs): Number of coalesced pairs.
102 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
103 Coalesce pair iterator functions.
104 (sort_coalesce_list): Sort coalesce pairs in order of expense.
105 (dump_coalesce_list): Show coalesce list.
106 (ssa_conflicts_new): Create an SSA conflict graph.
107 (ssa_conflicts_delete): Delete an SSA conflict graph.
108 (ssa_conflicts_test_p): Test for conflicts.
109 (ssa_conflicts_add_one): Add a single conflict.
110 (ssa_conflicts_add): Add a conflict pair.
111 (ssa_conflicts_merge): Merge conflicts.
112 (struct live_track_d): Struct for tracking live partitions.
113 (new_live_track): Create new live_track object.
114 (delete_live_track): Delete a live_track object.
115 (live_track_remove_partition): Remove a partition from the live list.
116 (live_track_add_partition): Add a partition from the live list.
117 (live_track_clear_var): Take VAR from the live list.
118 (live_track_live_p): Is var live?
119 (live_track_process_use): Make var come alive.
120 (live_track_process_def): Make var go dead, add conflicts.
121 (live_track_init): Initialize to a live on exit set.
122 (live_track_clear_base_vars): Clear live partitions.
123 (build_ssa_conflict_graph): Build a conflict graph.
124 (print_exprs): Common debug output routine.
125 (abnormal_corrupt): Output info about a failed coalesce across an
127 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
128 (create_outofssa_var_map): Create a var map and coalesce list.
129 (attempt_coalesce): Coalesce a pair.
130 (coalesce_partitions): Coalesce all pairs in a coalesce list.
131 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
132 * tree-ssa-live.c: Remove header files which aren't needed.
133 (var_map_base_init): New. Initialize a basevar list.
134 (var_map_base_fini): New. Finish a basevar list.
135 (init_var_map): Initialize new fields.
136 (delete_var_map): Free new fields.
137 (var_union): Use renamed fields.
138 (compact_var_map): Remove.
139 (partition_to_view_init): Use renamed fields, change order of an if.
140 (partition_view_fini): Use renamed fields.
141 (partition_view_normal): Create basevar list if requested.
142 (partition_view_bitmap): Create a view based on a bitmap of partitions.
143 (change_partition_var): Use renamed fields.
144 (create_ssa_var_map): Remove.
145 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
146 root_var_init): Remove.
147 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
148 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
149 compare_pairs, num_coalesce_pairs, first_partition_pair,
150 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
151 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
152 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
153 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
154 (dump_var_map): Use renamed fields.
155 * tree-ssa-live.h (struct _var_map): Modify fields.
156 (partition_to_var, version_to_var, var_to_partition): Use renamed
158 (basevar_index): New. Index of the base variable of a partition.
159 (num_basevars): New. Number of unique base variables in partition map.
160 (register_ssa_partition): Use renamed fields.
161 (struct tree_partition_associator_d): Remove.
162 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
163 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
164 root_var, root_var_first_partition, root_var_next_partition,
165 root_var_dump, root_var_delete, root_var_remove_partition,
166 root_var_find, root_var_compact, root_var_decompact): Remove.
167 (struct partition_pair, struct coalesce_list_d): Moved to
169 * tree-ssa-ter.c: Remove header files which aren't needed.
171 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
173 * cse.c: (struct cse_basic_block_data): Remove LAST field.
174 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
176 (cse_visited_basic_blocks): New static bitmap.
177 (cse_end_of_basic_block, cse_basic_block): Remove.
178 (cse_find_path, cse_dump_path, cse_prescan_path,
179 cse_extended_basic_block): New static functions.
180 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
181 basic block boundaries. Don't record jump equivalences here.
182 Update the CFG after doing in-place replacement of the SET_SRC.
183 (cse_main): Rewrite. Look for extended basic block headers
184 and call cse_extended_basic_block on them until all paths that
185 start at this header are exhausted.
186 (rest_of_handle_cse): Verify that the CFG is incrementally updated
187 and correct after cse_main.
188 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
189 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
190 (pass_cse): Add TODO_verify_flow.
191 (pass_cse2): Likewise.
193 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
195 * reload1.c (choose_reload_regs): Don't set byte offset when
196 resolving subregs of hard regs.
198 2006-12-09 Zack Weinberg <zackw@panix.com>
200 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
201 suitable for the language, if set_yydebug is true.
202 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
203 YYDEBUG or declare yydebug.
204 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
206 2006-12-09 Jan Hubicka <jh@suse.cz>
208 * cgraph.c: Update copyright.
210 (cgraph_update_pending_function): Remove prototype.
211 * cgraphunit.c: Update copyright; update overall comment.
212 (cgraph_assemble_pending_functions): Make local.
214 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
216 * haifa-sched.c (schedule_block): Remove excessive sanity check.
218 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
220 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
222 (cpat_const_p, gen_cpat_const): Add.
223 * config/spu/spu.c (immediate_class): New enum.
224 (cpat_info, classify_immediate): New.
225 (print_operand): Use S, D, T instead of F, G, H. Use
226 classify_immediate. Handle cpat cases.
227 (spu_split_immediate): Renamed from spu_split_address. Split all
228 immediates that can be split.
229 (immediate_load_p): Use classify_immediate.
230 (spu_legitimate_constant_p): Accept everything except some cases of
232 (spu_expand_move): Use spu_split_immedate.
233 (fsmbi_const_p): Use classify_immediate.
235 (gen_cpat_const: New.
236 * config/spu/constraints.md (j,k,l): New constraints for cpat
238 * config/spu/spu.md (unnamed splitter): Change address splitter to
239 handle all immediates.
240 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
242 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
245 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
248 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
249 patterns. Correct length of high:DI instruction sequence.
251 2006-12-08 Mike Stump <mrs@apple.com>
253 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
254 libgcc with -mmacosx-version-min=10.4.
255 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
256 G4 for 10.5+ unless doing kernel builds.
258 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
261 * reg-stack.c (convert_regs_entry): Mark current argument passing
264 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
265 of float arguments in x87 registers.
267 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
269 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
271 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
273 * recog.c (mode_dependent_address_p): Identify pre-increment,
274 pre-decrement, post-increment and post-decrement addressing as always
275 being mode-dependent.
276 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
277 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
278 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
279 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
280 PRE_INC and POST_INC checks.
281 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
282 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
283 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
284 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
285 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
286 PRE_INC, POST_DEC and POST_INC cases.
287 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
288 Delete POST_INC and PRE_DEC cases.
289 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
291 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
292 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
294 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
295 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
296 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
297 PRE_INC and PRE_DEC cases.
298 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
299 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
300 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
301 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
302 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
303 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
304 auto-increment cases.
305 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
306 auto-increment cases.
307 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
309 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
311 * Makefile.in: Add new file tree-ssa-ter.c.
312 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
313 free_temp_expr_table, add_value_to_version_list,
314 add_value_to_partition_list, remove_value_from_partition_list,
315 add_dependence, check_replaceable, finish_expr, mark_replaceable,
316 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
317 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
318 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
320 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
321 (struct value_expr_d): Remove.
322 (struct temp_expr_table_d): Rename fields, add explicit vector of
323 replaceable expressions instead of sharing. Change value_expr_p's to
324 bitmap. Delete free_list.
325 (new_temp_expr_table): Rename fields, count number of ssa_names in
327 (free_temp_expr_table): Rename field, free new fields.
328 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
329 add_info_to_list, remove_value_from_list): Delete.
330 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
331 (make_dependent_on_partition): New. Set bit in version list, allocating
333 (add_to_partition_kill_list): New. Set bit in the partition list,
334 allocating a bitmap if need be.
335 (remove_from_partition_kill_list): New. Remove a bit from the
336 partition list, free the bitmap if it is empty.
337 (add_dependence): Use renamed field, cleanup. Don't add a dependence
338 on partitions with only one member.
339 (is_replaceable_p): New. Split out replaceability check from
341 (process_replaceable): New. Code split from check_replaceable.
342 (check_replaceable): Removed.
343 (finished_with_expr): Renamed from finish_expr.
344 (kill_expr): Use renamed fields and less parameters.
345 (kill_virtual_exprs): Less parameters.
346 (mark_replaceable): Use renamed fields.
347 (find_replaceable_in_bb): Use renamed fields, cleanup.
348 (find_replaceable_exprs): Use renamed routines, cleanup.
349 (dump_replaceable_exprs): Don't go past end of ssa_names list.
350 (debug_ter): New. Debug routine to dump state.
352 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
354 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
355 anything involving the GOT.
356 (bfin_adjust_cost): Don't take the REGNO of a MEM.
357 (trapping_loads_p): Look inside the pattern of an insn to find the
359 * config/bfin/bfin.md (attr "type"): Add movcc.
360 (insn_reservation "alu"): Likewise.
361 (movsicc_insn1, movsicc_insn2): Change type to movcc.
363 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
365 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
366 (spu_resolve_overloaded_builtin): Check for non scalar instead
367 of vector type and check the function call argument type also for
369 Call build_function_call instead of spu_build_overload_builtin.
371 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
373 * config/spu/spu.c (array_to_constant): Correct the order of arguments
374 to the calls of hwint_to_const_double.
376 2006-12-07 Nick Clifton <nickc@redhat.com>
378 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
379 elf_record_gcc_switches.
381 2006-12-07 Andrew Macleod <amacleod@redhat.com>
383 * expr.c (string_constant): Account for non-zero lower bound arrays.
385 2006-12-07 Richard Guenther <rguenther@suse.de>
387 * builtins.c (expand_builtin_pow): Adjust predicates for
388 pow to cbrt expansion to unsafe math and !HONOR_NANS for
391 2006-12-07 Jan Hubicka <jh@suse.cz>
393 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
396 2006-12-07 Jan Hubicka <jh@suse.cz>
398 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
399 use fold_constant_to_binary; tolerate wrong type constants.
400 (value_intersect_p): Do just two tests.
402 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
404 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
405 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
406 lshifthi3): Use it, and fix the order of alternatives.
408 2006-12-07 Nick Clifton <nickc@redhat.com>
410 * common.opt (record-gcc-switches): New command line switch.
411 * target.h (print_switch_type): New enum.
412 (print_switch_fn_type): New typedef for a function pointer.
413 (struct gcc_target): Add record_gcc_switches and
414 record_gcc_switches_section fields.
415 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
417 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
419 * toplev.c (print_single_switch): Simplify by providing a
420 pointer to function that will format and output the switch
422 (print_switch_values): Likewise.
423 (print_to_asm_out_file): New function.
424 (print_to_stderr): New function.
425 (init_asm_output): If flag_record_gcc_switches is set then if
426 the target supports recording the switches then emit them into
427 the assembler output file, otherwise tell the user that the
428 switch is not supported.
429 * varasm.c (eld_record_gcc_switches): New function. Example
430 handler for the record_gcc_switches target hook.
431 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
433 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
434 * doc/invoke.texi (-frecord-gcc-switches): Document.
436 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
439 * sched-rgn.c (add_block1): Use correct initializer.
441 2006-12-07 Richard Guenther <rguenther@suse.de>
443 * tree-vect-transform.c (vectorizable_call): Fix leftover of
444 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
446 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
449 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
450 not GIMPLE_MODIFY_STMT.
452 2006-12-06 Jan Hubicka <jh@suse.cz>
454 * tree-vrp.c (operand_less_p): New.
455 (compare_values, value_inside_range): Rewrite in terms of
458 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
460 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
462 (length_immediate): Do not depend on cld type attribute.
463 (length_address): Ditto.
466 (cld): Remove insn pattern.
467 (strmov_singleop): Do not use DIRFLAG_REG.
468 (*strmovdi_rex_1): Ditto.
469 (*strmovsi_1): Ditto.
470 (*strmovsi_rex_1): Ditto.
471 (*strmovhi_1): Ditto.
472 (*strmovhi_rex_1): Ditto.
473 (*strmovqi_1): Ditto.
474 (*strmovqi_rex_1): Ditto.
476 (*rep_movdi_rex64): Ditto.
478 (*rep_movsi_rex64): Ditto.
480 (*rep_movqi_rex64): Ditto.
481 (strset_singleop): Ditto.
482 (*strsetdi_rex_1): Ditto.
483 (*strsetsi_1): Ditto.
484 (*strsetsi_rex_1): Ditto.
485 (*strsethi_1): Ditto.
486 (*strsethi_rex_1): Ditto.
487 (*strsetqi_1): Ditto.
488 (*strsetqi_rex_1): Ditto.
490 (*rep_stosdi_rex64): Ditto.
491 (*rep_stossi): Ditto.
492 (*rep_stossi_rex64): Ditto.
493 (*rep_stosqi): Ditto.
494 (*rep_stosqi_rex64): Ditto.
495 (cmpstrnsi): Do not generate cld insn.
496 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
497 (*cmpstrnqi_nz_1): Ditto.
498 (*cmpstrnqi_nz_rex_1): Ditto.
499 (cmpstrnqi_1): Ditto.
500 (*cmpstrnqi_1): Ditto.
501 (*cmpstrnqi_rex_1): Ditto.
503 (*strlenqi_1): Ditto.
504 (*strlenqi_rex_1): Ditto.
506 * config/i386/geode.md (shift): Do not depend on cld type attribute.
507 * config/i386/pentium.md (pent_cld): Remove insn reservation.
508 * config/i386/athlon.md (athlon_decode): Do not depend on cld
510 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
511 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
513 (k6_alux_only_load): Ditto.
514 (k6_alux_only_store): Ditto.
516 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
517 Do not emit cld instruction.
518 (ix86_expand_setmem): Ditto.
519 (ix86_expand_strlen): Do not emit cld instruction.
521 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
523 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
526 2006-12-06 Diego Novillo <dnovillo@redhat.com>
528 * gdbinit.in: Set complaints to 0.
530 2006-12-06 Jan Hubicka <jh@suse.cz>
532 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
533 ALONE_MEM_STAT_DECL): New macros.
534 * bitmap.h: Include statistics.h
535 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
536 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
537 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
538 * bitmap.c: Include hashtab.h
539 (bitmap_descriptor): New.
540 (bitmap_hash): New static variable
541 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
542 New static functions.
543 (bitmap_register): New.
544 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
545 bitmap_obstack_release): Do accounting.
546 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
548 (bitmap_gc_alloc_stat): Likewise.
549 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
550 (print_statistics, dump_bitmap_statistics): New functions.
551 * toplev.c (finalize): Dump bitmap statistics.
553 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
555 * reload1.c (delete_output_reload): Count occurrences in
556 CALL_INSN_FUNCTION_USAGE.
557 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
558 crashing at the end of the list.
560 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
562 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
563 Optimize to avoid marking more SMT's as used when they aren't.
565 2006-12-05 Eric Christopher <echristo@apple.com>
567 * config/i386/i386.c (x86_output_aligned_bss): Move out
568 of COMMON_ASM_OP ifdef.
570 2006-12-05 Eric Christopher <echristo@apple.com>
572 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
573 (STARTFILE_SPEC): Use.
574 (DARWIN_DYLIB1_SPEC): New.
575 (DARWIN_CRT1_SPEC): New.
576 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
578 * config/i386/darwin.h: Ditto.
579 * config/rs6000/darwin.h: Ditto.
581 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
583 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
584 * tree-complex.c (pass_lower_complex): Ditto.
585 * tree-ssa-ccp.c (pass_ccp): Ditto.
586 (pass_store_ccp): Ditto.
587 * tree-ssa-dom.c (pass_dominator): Ditto.
588 (pass_phi_only_cprop): Ditto.
589 * tree-sra.c (pass_sra): Ditto.
590 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
591 * tree-flow.h (updating_used_alone): Remove.
592 (updating_used_alone): Ditto.
593 * tree-ssa-alias.c (updating_used_alone): Remove variable.
594 (lhs_may_store_to): Remove function.
595 (recalculate_used_alone): Ditto.
596 (compute_may_aliases): Remove used_alone calculation.
597 * tree.h (struct tree_memory_tag): Remove is_used_alone and
598 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
599 * tree-pass.h (PROP_smt_usage): Remove.
600 * passes.c (execute_todo): Remove used alone recalculation.
601 (execute_one_pass): Ditto.
602 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
605 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
607 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
609 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
611 PR tree-optimization/14784
612 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
614 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
616 Merge from gimple-tuples-branch.
618 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
620 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
622 (s390_gimplify_va_arg): Same.
623 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
624 * config/sh/sh.c (sh_va_start): Same.
625 (sh_gimplify_va_arg_expr): Same.
626 * config/xtensa/xtensa.c (xtensa_va_start): Same.
627 (xtensa_gimplify_va_arg_expr): Same.
628 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
629 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
630 * config/mips/mips.c (mips_va_start): Same.
631 (mips_gimplify_va_arg_expr): Same.
633 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
635 * Merge from mainline at revision 119445.
637 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
639 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
641 (spu_gimplify_va_arg_expr): Same.
643 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
645 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
646 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
647 (xstormy16_expand_builtin_va_arg): Same.
649 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
651 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
652 to GIMPLE_MODIFY_STMT.
654 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
656 * config/alpha/alpha.c (va_list_skip_additions): Change all
657 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
658 (alpha_va_start): Same.
659 (alpha_gimplify_va_arg_1): Same.
660 (alpha_gimplify_va_arg): Same.
662 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
664 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
666 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
668 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
669 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
671 * tree-complex.c: Same.
672 * tree-pretty-print.c: Same.
676 * fold-const.c: Same.
677 * tree-ssa-dom.c: Same.
678 * tree-ssa-propagate.c: Same.
679 * tree-ssa-alias.c: Same.
680 * gimple-low.c: Same.
682 * c-pretty-print.c: Same.
684 * tree-inline.c: Same.
685 * tree-outof-ssa.c: Same.
686 * tree-ssa-structalias.c: Same.
687 * tree-ssa-reassoc.c: Same.
690 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
692 * tree.c (build2_stat): Fix comment.
694 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
696 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
697 TREE_OPERAND when appropriate.
699 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
701 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
702 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
703 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
704 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
705 not handle GIMPLE_MODIFY_STMT in the switch statement.
706 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
707 (java_gimplify_new_array_init): Same.
709 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
711 * gimplify.c (gimplify_omp_for): Allow gimple statements.
712 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
713 * fold-const.c (fold_binary): Allow gimple statements.
715 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
716 Rename from gfc_conv_descriptor_data_set.
717 Call gfc_add_modify instead of gfc_add_modify_expr.
718 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
719 Rename from gfc_conv_descriptor_data_set.
720 (gfc_conv_descriptor_data_set): New macro.
721 (gfc_conv_descriptor_data_set_tuples): New macros.
722 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
723 gfc_conv_descriptor_data_set_tuples.
724 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
725 Generate GIMPLE_MODIFY_STMT when appropriate.
726 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
727 (gfc_add_modify_expr): New macro.
728 (gfc_add_modify_stmt): New macro.
729 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
731 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
733 * Merge from mainline at revision 118200.
735 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
737 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
740 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
742 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
744 Also, add __extension__ to GCC versions.
745 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
746 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
749 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
751 * tree-complex.c (expand_complex_libcall): Adjust for
753 (expand_complex_comparison): Same.
754 * tree-pretty-print.c (dump_generic_node): Is_expr should include
755 GIMPLE_STMT_P statements.
756 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
758 (tree_mod_pow2_value_transform): Same.
759 (tree_mod_subtract_transform): Same.
760 * tree.c (build2_stat): Check for gimplified function in cfun.
761 * tree.h (DECL_GIMPLIFIED): Delete.
762 (struct tree_function_decl): Remove gimplified_flag.
763 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
764 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
765 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
766 (cxx_omp_clause_copy_ctor): Same.
767 (cxx_omp_clause_assign_op): Same.
768 * c-pretty-print.c (pp_c_conditional_expression): Same.
769 (pp_c_expression): Same.
770 * langhooks.c (lhd_omp_predetermined_sharing): Same.
771 * function.h (struct function): Add gimplified field.
772 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
774 (find_phi_replacement_condition): Same.
775 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
776 (gimplify_modify_expr_to_memset): Same.
777 (gimplify_init_ctor_eval_range): Same.
778 (gimplify_modify_expr_complex_part): Same.
779 (tree_to_gimple_tuple): Same.
780 (gimplify_modify_expr): Same.
781 (gimple_push_cleanup): Same.
782 (gimplify_omp_for): Same.
783 (gimplify_omp_atomic_pipeline): Same.
784 (gimplify_omp_atomic_mutex): Same.
785 (gimplify_expr): Same.
786 (gimplify_one_sizepos): Same.
787 (gimplify_function_tree): Same.
788 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
789 (vect_recog_widen_sum_pattern): Same.
790 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
791 (vect_create_epilog_for_reduction): Same.
792 (vectorizable_reduction): Same.
794 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
796 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
797 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
798 (ifc_temp_var): Same.
799 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
800 for gimple statements.
801 (vect_analyze_operations): Same.
802 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
803 * gimplify.c (gimplify_return_expr): Handle gimple statements.
804 * lambda-code.c (can_put_in_inner_loop): Same.
805 (can_put_after_inner_loop): Same.
806 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
807 (vect_create_data_ref_ptr): Same.
808 (vect_init_vector): Same.
809 (vect_get_vec_def_for_operand): Same.
810 (vect_create_epilog_for_reduction): Same.
811 (vectorizable_reduction): Same.
812 (vectorizable_assignment): Same.
813 (vectorizable_operation): Same.
814 (vectorizable_load): Same.
815 (vectorizable_condition): Same.
816 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
817 (rs6000_gimplify_va_arg): Same.
819 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
821 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
823 (simplify_abs_using_ranges): Same.
824 * tree-complex.c (expand_complex_operations_1): Use
825 PROTECTED_TREE_OPERAND.
826 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
828 (get_val_for): Use GIMPLE_STMT_OPERAND.
829 * tree-tailcall.c (adjust_accumulator_values): Same.
830 (adjust_return_value): Same.
831 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
832 case. Remove special case for tcc_gimple_stmt.
833 * tree.h (CAN_HAVE_LOCATION_P): New.
834 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
836 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
837 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
838 * tree-nrv.c (execute_return_slot_opt): Same.
839 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
840 * tree-vn.c (set_value_handle): Same.
841 (get_value_handle): Same.
842 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
843 * tree-vectorizer.c (find_loop_location): Same.
844 * c-typeck.c (c_process_expr_stmt): Same.
845 (c_finish_stmt_expr): Same.
846 * gimplify.c (should_carry_locus_p): Same.
847 (tree_to_gimple_tuple): Delete definition and use of unecessary
848 variable save_tree_block.
849 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
850 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
851 (realify_fake_stores): Same.
852 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
854 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
855 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
856 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
857 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
858 (c_parser_statement_after_labels): Same.
859 (c_parser_paren_condition): Same.
860 (c_parser_for_statement): Same.
861 (c_parser_omp_for_loop): Same.
862 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
863 (linearize_expr_tree): Same.
864 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
865 * function.c (instantiate_expr): Same.
867 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
869 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
870 (set_expr_location): Same.
872 (set_expr_locus): Same.
873 (expr_filename): Same.
875 (tree_block): Use GIMPLE_STMT_BLOCK.
876 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
877 * tree.h (struct gimple_stmt): Remove prev and next.
878 (GIMPLE_STMT_OPERAND_CHECK): New.
879 (TREE_TO_GIMPLE_STMT): Delete.
880 (GIMPLE_STMT_TO_TREE): Delete.
881 (GIMPLE_STMT_OPERAND): Use union, not cast.
882 (GIMPLE_STMT_LOCUS): New.
883 (GIMPLE_STMT_BLOCK): New.
884 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
886 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
888 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
890 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
892 * tree-tailcall.c (adjust_return_value): Same.
893 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
894 (copy_node_stat): Change common.base to base.
895 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
896 Remove GIMPLE_STATEMENT_LIST case.
897 * tree.h (struct gimple_stmt): Make operands of type tree.
898 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
899 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
900 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
901 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
902 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
903 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
904 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
905 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
906 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
907 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
908 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
909 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
910 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
911 Change common.base to base.
912 (GIMPLE_STATEMENT_LIST*): Remove.
913 (union tree_node): Add base. Remove gimple_statement_list.
914 Remove pointer from gstmt.
915 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
916 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
917 * tree-vn.c (vn_compute): Change common.base to base.
918 * tree-eh.c (verify_eh_throw_stmt_node): Same.
919 * tree-flow-inline.h (var_ann): Same.
920 (function_ann): Same.
922 (mark_non_addressable): Same.
923 * gimplify.c (tree_to_gimple_tuple): Same.
924 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
925 * tree-dfa.c (create_var_ann): Change common.base to base.
926 (create_function_ann): Same.
927 (create_stmt_ann): Same.
928 (create_tree_ann): Same.
929 (collect_dfa_stats_r): Same.
930 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
931 * tree-ssa-dce.c (NECESSARY): Same.
932 * tree-ssa.c (delete_tree_ssa): Same.
933 * tree-optimize.c (execute_free_cfg_annotations): Same.
936 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
938 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
939 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
941 * tree.h (struct gimple_stmt): Add prev and next fields.
942 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
943 (GIMPLE_STATEMENT_LIST_HEAD): New.
944 (GIMPLE_STATEMENT_LIST_TAIL): New.
945 (struct gimple_statement_list): New.
946 (union tree_node): Add gimple_stmt_list and gstmt.
947 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
948 * tree.def: Add GIMPLE_STATEMENT_LIST.
950 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
952 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
953 * tree-vrp.c (build_assert_expr_for): Change uses of
954 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
955 (find_assert_locations): Same.
956 (remove_range_assertions): Same.
957 (stmt_interesting_for_vrp): Same.
958 (vrp_visit_assignment): Same.
959 (vrp_visit_stmt): Same.
960 (simplify_cond_using_ranges): Same.
961 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
963 * tree-ssa-loop-im.c (movement_possibility): Change uses of
964 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
966 (determine_invariantness_stmt): Same.
968 (gather_mem_refs_stmt): Same.
969 * tree-complex.c (init_dont_simulate_again): Same.
970 (complex_visit_stmt): Same.
971 (set_component_ssa_name): Same.
972 (expand_complex_move): Same.
973 (expand_complex_div_wide): Same.
974 (expand_complex_comparison): Same.
975 (expand_complex_operations_1): Same.
976 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
977 (chain_of_csts_start): Same.
978 (infer_loop_bounds_from_undefined): Same.
979 * tree-pretty-print.c (dump_generic_node): Same.
982 * tree-ssa-loop-manip.c (create_iv): Same.
983 * value-prof.c (tree_divmod_fixed_value): Same.
984 (tree_divmod_fixed_value_transform): Same.
985 (tree_mod_pow2): Same.
986 (tree_mod_pow2_value_transform): Same.
987 (tree_mod_subtract): Same.
988 (tree_mod_subtract_transform): Same.
989 (tree_divmod_values_to_profile): Same.
990 * tree-tailcall.c (process_assignment): Same.
991 (find_tail_calls): Same.
992 (adjust_accumulator_values): Same.
993 (adjust_return_value): Same.
994 (eliminate_tail_call): Same.
995 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
996 (make_node_stat): Same.
997 (copy_node_stat): Handle gimple tuples.
998 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
999 (tree_node_structure): Handle tcc_gimple_stmt.
1000 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
1002 (build2_gimple_stat): New.
1003 (expr_location): New.
1004 (set_expr_location): New.
1005 (expr_has_location): New.
1007 (set_expr_locus): New.
1008 (expr_filename): New.
1010 (walk_tree): Handle tcc_gimple_stmt.
1012 (protected_tree_operand): New.
1013 (protected_tree_type): New.
1014 (tree_code_kind): Add gimple statements.
1015 * tree.h (tree_code_class): Add tcc_gimple_stmt.
1016 (IS_GIMPLE_STMT_CODE_CLASS): New.
1017 (struct tree_base): New.
1018 (struct tree_common): Shrink.
1019 (struct gimple_stmt): New.
1020 (struct gimple_expr): New.
1021 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
1022 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
1023 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
1024 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
1025 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
1026 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
1027 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
1028 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
1029 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
1030 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
1031 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
1032 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
1033 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
1034 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
1035 Adjust for new `common' layout.
1036 (struct tree_function_decl): Add gimplified_flag.
1037 (DECL_GIMPLIFIED): NEW.
1038 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
1039 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
1040 EXPR_HAS_LOCATION): Call corresponding function.
1041 (GIMPLE_STMT_CHECK): New.
1042 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
1043 (TREE_BLOCK): Call tree_block.
1044 (GIMPLE_STMT_P): New.
1045 (GIMPLE_TUPLE_P): New.
1046 (TREE_TO_GIMPLE_STMT): New.
1047 (GIMPLE_STMT_TO_TREE): New.
1048 (GIMPLE_STMT_OPERAND): New.
1049 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
1050 (PROTECTED_TREE_OPERAND): New.
1051 (PROTECTED_TREE_TYPE): New.
1052 (build2_gimple_stat): Protoize.
1053 (build2_gimple): New.
1054 (expr_location): Protoize.
1055 (set_expr_location): Protoize.
1056 (expr_has_location): Protoize.
1057 (expr_locus): Protoize.
1058 (set_expr_locus): Protoize.
1059 (expr_filename): Protoize.
1060 (expr_lineno): Protoize.
1061 (tree_block): Protoize.
1062 (protected_tree_operand): Protoize.
1063 (protected_tree_type): Protoize.
1064 (enum tree_node_kind): Add gimple_stmt_kind.
1065 * c-decl.c (union lang_tree_node): Tuples do not have a
1067 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
1068 GIMPLE_MODIFY_STMT and adjust accordingly.
1069 * tree-scalar-evolution.c (follow_ssa_edge): Same.
1070 (interpret_condition_phi): Same.
1071 (pointer_used_p): Same.
1072 (analyze_scalar_evolution_1): Same.
1073 (scev_const_prop): Same.
1074 (interpret_rhs_modify_stmt): Rename from
1075 interpret_rhs_modify_expr.
1076 * builtins.c (std_expand_builtin_va_start): Change uses of
1077 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
1078 (std_gimplify_va_arg_expr): Same.
1079 (expand_builtin_va_copy): Same.
1080 (integer_valued_real_p): Same.
1081 * fold-const.c (maybe_lvalue_p): Same.
1083 (tree_expr_nonnegative_p): Same.
1084 (tree_expr_nonzero_p): Same.
1085 * omp-low.c (extract_omp_for_data): Same.
1086 (lower_rec_input_clauses): Same.
1087 (lower_reduction_clauses): Same.
1088 (lower_copyprivate_clauses): Same.
1089 (lower_send_clauses): Same.
1090 (lower_send_shared_vars): Same.
1091 (expand_parallel_call): Same.
1092 (expand_omp_parallel): Same.
1093 (expand_omp_for_generic): Same.
1094 (expand_omp_for_static_nochunk): Same.
1095 (expand_omp_for_static_chunk): Same.
1096 (expand_omp_sections): Same.
1097 (lower_omp_single_copy): Same.
1098 (lower_omp_parallel): Same.
1099 * tree-ssa-dse.c (memory_address_same): Same.
1100 (dse_optimize_stmt): Same.
1101 * ipa-reference.c (scan_for_static_refs): Same.
1102 * tree-gimple.c (is_gimple_reg_rhs): Same.
1103 (get_call_expr_in): Same.
1104 (recalculate_side_effects): Same.
1105 * cgraphunit.c (cgraph_create_edges): Same.
1106 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
1107 * tree-ssa-ccp.c (get_default_value): Same.
1108 (likely_value): Same.
1109 (visit_assignment): Same.
1110 (ccp_visit_stmt): Same.
1111 (get_maxval_strlen): Same.
1112 (ccp_fold_builtin): Same.
1113 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
1114 (find_givs_in_stmt): Same.
1115 (find_interesting_uses_op): Same.
1116 (find_interesting_uses_stmt): Same.
1117 (rewrite_use_nonlinear_expr): Same.
1118 * ipa-pure-const.c (scan_function): Same.
1119 * tree-stdarg.c (va_list_counter_bump): Same.
1120 (check_all_va_list_escapes): Same.
1121 (execute_optimize_stdarg): Same.
1122 * tree-ssa-math-opts.c (compute_merit): Same.
1123 (insert_reciprocals): Same.
1124 (execute_cse_reciprocals): Same.
1125 * tree-ssa-dom.c (initialize_hash_element): Same.
1126 (simple_iv_increment_p): Same.
1127 (record_equivalences_from_stmt): Same.
1128 (optimize_stmt): Same.
1129 (remove_stmt_or_phi): Same.
1130 (get_rhs_or_phi_arg): Same.
1131 (get_lhs_or_phi_result): Same.
1132 (propagate_rhs_into_lhs): Same.
1133 * tree-nrv.c (tree_nrv): Same.
1134 (execute_return_slot_opt): Same.
1135 * tree-ssa-propagate.c (get_rhs): Same.
1137 (stmt_makes_single_load): Same.
1138 (stmt_makes_single_store): Same.
1139 (replace_vuses_in): Same.
1140 (fold_predicate_in): Same.
1141 (substitute_and_fold): Same.
1142 * tree-ssa-alias.c (compute_call_clobbered): Same.
1143 (recalculate_used_alone): Same.
1144 (count_uses_and_derefs): Same.
1145 (is_escape_site): Same.
1146 (find_used_portions): Same.
1147 * gimple-low.c (lower_stmt): Same.
1148 (block_may_fallthru): Same.
1149 (lower_return_expr): Same.
1150 * tree-ssa-sink.c (is_hidden_global_store): Same.
1151 (statement_sink_location): Same.
1152 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
1153 * expr.c (safe_from_p): Same.
1154 (expand_expr_real): Same.
1155 (expand_expr_real_1): Same.
1156 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
1157 * predict.c (expr_expected_value): Same.
1158 (strip_builtin_expect): Same.
1159 (apply_return_prediction): Same.
1160 (tree_bb_level_predictions): Same.
1161 (tree_estimate_probability): Same.
1162 * tree-vn.c (vn_compute): Same.
1163 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
1164 (remove_stmt_from_eh_region_fn): Same.
1165 (do_return_redirection): Same.
1166 (honor_protect_cleanup_actions): Same.
1167 (lower_try_finally_switch): Same.
1168 (lower_eh_constructs_1): Same.
1169 (tree_could_throw_p): Same.
1170 (verify_eh_throw_stmt_node): Same.
1171 * function.c (gimplify_parameters): Same.
1172 * tree-vectorizer.c (vect_is_simple_use): Same.
1173 (vect_is_simple_reduction): Same.
1174 * ipa-type-escape.c (scan_for_refs): Same.
1175 * tree-if-conv.c (tree_if_conversion): Same.
1176 (tree_if_convert_stmt): Same.
1177 (if_convertible_gimplify_modify_stmt_p): Rename from
1178 if_convertible_modify_expr_p.
1179 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
1180 (ifc_temp_var): Same.
1181 (replace_phi_with_cond_modify_stmt): Rename from
1182 replace_phi_with_cond_modify_expr.
1183 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
1184 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
1185 * tree-data-ref.c (find_data_references_in_loop): Adjust for
1187 * tree-flow-inline.h (var_ann): Same.
1188 (function_ann): Same.
1190 (mark_non_addressable): Same.
1191 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
1192 * gimplify.c (tree_to_gimple_tuple): New.
1193 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
1194 (gimplify_return_expr): Same.
1195 (gimplify_decl_expr): Same.
1196 (gimplify_self_mod_expr): Same.
1197 (gimplify_cond_expr): Same.
1198 (gimplify_init_constructor): Same.
1199 (gimplify_modify_expr): Same.
1200 (gimplify_expr): Same.
1201 (gimplify_function_tree): Same.
1202 (force_gimple_operand): Same.
1203 * tree-ssa-phiopt.c (conditional_replacement): Same.
1204 (minmax_replacement): Same.
1205 (abs_replacement): Same.
1206 * tree-dfa.c (create_var_ann): Same.
1207 (create_function_ann): Same.
1208 (create_stmt_ann): Same.
1209 (create_tree_ann): Same.
1210 (collect_dfa_stats_r): Same.
1211 * tree-ssa-pre.c (find_or_generate_expression): Same.
1212 (create_expression_by_pieces): Same.
1213 (try_look_through_load): Same.
1214 (insert_fake_stores): Same.
1215 (realify_fake_stores): Same.
1216 (compute_avail): Same.
1219 (poolify_modify_stmt): Rename from poolify_modify_stmt.
1220 Adjust for GIMPLE_MODIFY_STMT.
1221 (NECESSARY): Adjust for new `common' layout.
1222 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
1224 * tree-sra.c (sra_walk_modify_stmt): Rename from
1225 sra_walk_modify_expr.
1226 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
1227 (generate_copy_inout): Same.
1228 (generate_element_copy): Same.
1229 (generate_element_zero): Same.
1230 (scalarize_copy): Same.
1231 * tree-mudflap.c (mf_decl_cache_locals): Same.
1232 (mf_build_check_statement_for): Same.
1233 (mf_xform_derefs): Same.
1234 * ipa-prop.c (ipa_method_modify_stmt): Same.
1235 * print-tree.c (print_node): Handle gimple tuples.
1236 Add case for tcc_gimple_stmt.
1237 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
1239 (copy_prop_visit_assignment): Same.
1240 (copy_prop_visit_stmt): Same.
1241 (init_copy_prop): Same.
1242 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
1243 (forward_propagate_into_cond_1): Same.
1244 (find_equivalent_equality_comparison): Same.
1245 (tidy_after_forward_propagate_addr): Same.
1246 (forward_propagate_addr_expr_1): Same.
1247 (simplify_not_neg_expr): Same.
1248 (simplify_switch_expr): Same.
1249 * tree-ssa-dce.c (find_pdom): Same.
1250 (mark_stmt_if_obviously_necessary): Same.
1251 (NECESSARY): Adjust for new `common' layout.
1252 * tree-flow.h: Same.
1253 * tree-vect-patterns.c (widened_name_p): Adjust for
1255 (vect_recog_dot_prod_pattern): Same.
1256 (vect_recog_widen_sum_pattern): Same.
1257 (vect_pattern_recog_1): Same.
1258 * tree-nested.c (init_tmp_var): Same.
1259 (save_tmp_var): Same.
1261 (convert_call_expr): Same.
1262 (finalize_nesting_tree_1): Same.
1263 * tree-ssa.c (verify_ssa): Same.
1264 (delete_tree_ssa): Same.
1265 * lambda-code.c (lbv_to_gcc_expression): Same.
1266 (lle_to_gcc_expression): Same.
1267 (lambda_loopnest_to_gcc_loopnest): Same.
1268 (can_put_in_inner_loop): Same.
1269 (can_convert_to_perfect_nest): Same.
1270 (perfect_nestify): Same.
1271 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
1272 * tree-inline.c (copy_body_r): Same.
1273 (setup_one_parameter): Same.
1274 (initialize_inlined_parameters): Same.
1275 (estimate_num_insns_1): Same.
1276 (expand_call_inline): Same.
1277 (gimple_expand_calls_inline): Same.
1278 (copy_tree_r): Same.
1279 * tree-optimize.c (execute_free_cfg_annotations): Same.
1280 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
1281 (vect_align_data_ref): Same.
1282 (vect_create_data_ref_ptr): Same.
1283 (vect_init_vector): Same.
1284 (vect_create_epilog_for_reduction): Same.
1285 (vectorizable_reduction): Same.
1286 (vectorizable_assignment): Same.
1287 (vectorizable_operation): Same.
1288 (vectorizable_store): Same.
1289 (vectorizable_load): Same.
1290 (vectorizable_live_operation): Same.
1291 (vectorizable_condition): Same.
1292 (vect_generate_tmps_on_preheader): Same.
1293 (vect_create_cond_for_align_checks): Same.
1294 * tree-object-size.c (collect_object_sizes_for): Same.
1295 (check_for_plus_in_loops_1): Same.
1296 (check_for_plus_in_loops): Same.
1297 * tree-outof-ssa.c (insert_copy_on_edge): Same.
1298 (replace_use_variable): Same.
1299 (check_replaceable): Same.
1300 (rewrite_trees): Same.
1301 (identical_copies_p): Same.
1302 (insert_backedge_copies): Same.
1303 * tree-profile.c (tree_gen_edge_profiler): Same.
1304 * tree-vect-generic.c (expand_vector_operations_1): Same.
1305 * tree-ssa-structalias.c (update_alias_info): Same.
1306 (find_func_aliases): Same.
1307 * tree-cfg.c (factor_computed_gotos): Same.
1309 (make_goto_expr_edges): Same.
1310 (tree_merge_blocks): Same.
1311 (remove_useless_stmts_cond): Same.
1312 (remove_useless_stmts_1): Same.
1313 (tree_find_edge_insert_loc): Same.
1314 (verify_expr): Same.
1315 (gimplify_val): Same.
1316 (verify_gimple_tuples_1): New.
1317 (verify_gimple_tuples): New.
1318 (verify_stmts): Call verify_gimple_tuples.
1319 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
1320 (get_unary_op): Same.
1321 (linearize_expr): Same.
1322 (get_single_immediate_use): Same.
1323 (negate_value): Same.
1324 (should_break_up_subtract): Same.
1325 (break_up_subtract): Same.
1326 (repropagate_negates): Same.
1327 (break_up_subtract_bb): Same.
1328 (reassociate_bb): Same.
1329 * config/i386/i386.c (ix86_va_start): Same.
1330 (ix86_gimplify_va_arg): Same.
1331 * stmt.c (expand_expr_stmt): Same.
1332 (warn_if_unused_value): Same.
1333 (expand_return): Same.
1334 * tree-ssanames.c (make_ssa_name): Same.
1335 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
1336 * tree-ssa-operands.c (finalize_ssa_defs): Same.
1337 (add_virtual_operand): Same.
1338 (get_expr_operands): Same.
1339 (parse_ssa_operands): Same.
1340 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
1342 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
1344 * config.host: Remove extra blank line.
1346 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
1348 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
1349 target is also an x86 variant.
1351 2006-12-05 Richard Guenther <rguenther@suse.de>
1353 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
1354 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
1355 (ix86_builtin_vectorized_function): New function to vectorize
1358 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
1360 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
1361 ia64_override_options.
1363 2006-12-04 Jan Hubicka <jh@suse.cz>
1365 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
1368 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
1370 * rtlanal.c (note_uses): Deal with SEQUENCEs.
1371 * config/bfin/bfin.c: Include "timevar.h".
1372 (bfin_flag_schedule_insns2, splitting_for_sched,
1373 bfin_flag_var_tracking): New variables.
1374 (print_operand): Handle '%!'.
1375 (override_options): Disable normal sched2 pass, instead set
1376 bfin_flag_schedule_insns2 for reorg to handle it.
1377 (output_file_start): Likewise for var-tracking.
1378 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
1379 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
1381 (bfin_reorg): Do second scheduling pass here, and call
1382 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
1383 of examining insns directly. If bfin_flag_var_tracking, call
1384 var-tracking pass when done with everything else.
1385 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
1386 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
1387 (movsi_insn32): New pattern, with two new splits to create it
1388 before the final scheduling pass.
1389 (neghi2): Not a dsp32 insn, rather alu0.
1390 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
1391 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
1392 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
1393 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
1394 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
1395 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
1396 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
1397 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
1398 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
1399 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
1400 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
1401 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
1402 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
1403 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
1404 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
1405 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
1406 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
1407 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
1408 variants instead of ';'.
1409 (ror_one, rol_one): Likewise. Make them dsp32 insns.
1410 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
1411 (align8, align16, align24): Now named patterns; also using '%!'.
1414 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
1416 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
1417 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
1419 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1421 * config/spu/spu-protos.c (spu_split_address): Add.
1422 * config/spu/spu.c (spu_split_address): Add.
1423 (print_operand): Handle HIGH.
1424 (spu_legitimate_address): Don't test for aligned CONST.
1425 (spu_expand_mov): Don't split addresses here.
1426 * config/spu/constraints.md (A): Don't test legitimate_const.
1427 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
1428 (ceq_di): Use correct predicates.
1430 2006-12-04 Eric Christopher <echristo@apple.com>
1432 * config/darwin.h: Update copyright notice.
1433 * config/i386/darwin.h: Ditto.
1435 2006-12-04 Jan Hubicka <jh@suse.cz>
1437 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
1438 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
1440 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1442 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
1444 * tree-ssa-structalias.c (set_used_smts): Export.
1445 (find_what_p_points_to): Don't call set_used_smts here.
1446 * tree-ssa-structalias.h (set_used_smts): Add prototype.
1448 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
1450 * tree-ssa-alias.c (compute_may_aliases):
1451 Compute flow sensitive before flow insensitive.
1452 (compute_flow_sensitive_aliasing): Don't try to add
1453 a symbol memory tag to itself.
1455 * alias.h (alias_set_subset_of): New prototype.
1457 * alias.c (alias_set_subset_of): New function.
1459 * tree-ssa-structalias.c: Update comments.
1460 (struct variable_info): Add finished_solution.
1461 (new_varinfo): Set finished solution to NULL.
1462 (var_escaped_vars): Remove.
1463 (escaped_vars_tree): Remove.
1464 (escaped_vars_id): Remove.
1465 (nonlocal_vars_id): Remove.
1466 (constraint_expr_type): Add INCLUDES.
1467 (graph_size): Removed.
1468 (dump_constraint): Support INCLUDES.
1469 (build_constraint_graph): Ditto.
1470 (collapse_nodes): Add merge_solutions argument.
1471 Don't merge attributes.
1472 (process_unification_queue): Just use collapse_nodes.
1473 (perform_var_substitution): Update call to collapse_nodes.
1474 (get_constraint_exp_from_ssa_var): Use INCLUDES.
1475 (process_constraint): Fix non-field sensitive handling
1477 (get_constraint_for): Use INCLUDES.
1478 (make_constraint_from_anything): Renamed from
1479 make_constraint_from_escaped.
1480 (make_constraint_to_escaped): Removed.
1481 (find_global_initializers): Removed.
1482 (create_variable_info_for): Do not make constraints to escaped
1484 (dump_solution_for_var): Don't print out the equivalent points-to
1485 sets, just use the name of the variable it shares it with.
1486 (intra_create_variable_infos): Use INCLUDES.
1487 Change nonlocal variable sets to anything sets.
1488 (init_base_vars): Remove escaped_vars and nonlocal_var
1490 (find_escape_constraints): Removed.
1491 (delete_points_to_sets): Remove dead code.
1492 (used_smt_calculated): New variable.
1493 (set_used_smts): New function.
1494 (merge_smts_into): New function.
1495 (find_what_p_points_to): Modify to use SMTs.
1496 (create_nonlocal_var): Remove.
1498 * tree-ssa-operands.c (access_can_touch_variable): Remove
1499 reference to nonlocal_all.
1501 * tree-ssa.c (verify_name_tags): Remove.
1503 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
1505 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
1506 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
1508 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
1510 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
1511 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
1512 (add_livein_if_notdef): Delete.
1513 (loe_visit_block): New. Propogate live on entry info for a block into
1514 each predecessor. If it changes, make sure it is visited again.
1515 (live_worklist): Visit every block and update the live on entry info
1516 for preds. Iterate over any that changed.
1517 (set_var_live_on_entry): Populate the live on entry blocks with bits
1518 based on the immediate uses of a var.
1519 (calculate_live_on_entry): Remove.
1520 (calculate_live_on_exit): Calculate live on exit based on the newly
1521 oriented live on entry bits.
1522 (calculate_live_ranges): Build live on entry and exit vectors.
1523 (dump_live_info): Use new orientation of live on entry bitmaps.
1524 (verify_live_on_entry): New. Split out verification code from old
1525 calculate_live_on_entry routine.
1526 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
1527 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
1528 basic_block instead of for a partition.
1529 (live_merge_and_clear): Add asserts.
1530 (make_live_on_entry): Set partition bit in basic block vector.
1532 2006-12-04 Jakub Jelinek <jakub@redhat.com>
1535 * omp-low.c (expand_omp_for_static_nochunk,
1536 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
1540 * omp-low.c (determine_parallel_type): Don't try to optimize combined
1541 parallels if region->exit or region->inner->exit is NULL.
1542 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
1544 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
1545 (expand_omp_for): Use expand_omp_for_generic if either region->cond
1546 or region->exit is NULL.
1547 (expand_omp_sections): Handle NULL region->cond or region->exit.
1550 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1552 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
1553 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
1555 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
1557 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
1558 TYPE_MAX_VALUE for scalar types here but...
1559 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
1560 is attached an error mark, and the return value of the callback
1561 if it is not NULL_TREE.
1563 2006-12-04 Ben Elliston <bje@au.ibm.com>
1565 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
1567 2006-12-03 Eric Christopher <echristo@apple.com>
1570 * config/t-slibgcc-darwin: Pass -install_name.
1571 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
1572 libtool. Only pass through options that the linker recognizes.
1573 (LINK_SPEC): Update comment. Translate options.
1574 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
1575 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
1577 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
1579 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
1581 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
1584 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
1585 operands[1] in insn constraint. Correct type attribute to sselog1.
1587 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
1590 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
1592 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
1593 processor detection.
1595 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
1596 -march=native if there is no -mtune=*.
1598 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
1601 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1603 * doc/install.texi: Update recommended MPFR version. Remove
1604 obsolete reference to cumulative patch.
1606 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
1609 * c-decl.c (store_parm_decls_oldstyle): Robustify.
1611 2006-11-30 Jan Hubicka <jh@suse.cz>
1612 Uros Bizjak <ubizjak@gmail.com>
1614 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
1615 32bit memcpy/memset decriptors.
1616 (decide_alg): With -minline-all-stringops and sizes that are best
1617 to be copied via libcall still work hard enough to pick non-libcall
1620 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
1622 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
1624 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
1625 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
1626 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
1627 config/sh/sh4-300.md, config/spu/spu-builtins.def,
1628 config/spu/spu-c.c, config/spu/spu-modes.def,
1629 config/spu/spu.c, config/spu/spu.md,
1630 config/spu/spu_internals.h, config/spu/vmx2spu.h,
1631 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
1632 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
1633 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
1634 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
1635 spelling conventions.
1637 * config/i386/i386.c: Fix a comment typo.
1639 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1641 * config/spu/spu.c (spu_immediate): Remove trailing comma.
1642 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
1643 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
1644 better optimization.
1645 (floatv4siv4sf2): New.
1646 (fix_truncv4sfv4si2): New.
1647 (floatunsv4siv4sf2): New.
1648 (fixuns_truncv4sfv4si2): New.
1656 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
1657 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
1658 spu_resolve_overloaded_builtin instead of static inline functions.
1660 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
1662 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
1663 type instead of the size of its mode to compute the highest and
1664 lowest possible values. Still check the size of the mode before
1665 flipping the signedness of the comparison.
1667 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1669 * config/spu/predicates.md (spu_mov_operand): Add.
1670 * config/spu/spu.c (spu_expand_extv): Remove unused code.
1671 (print_operand_address, print_operand): Handle addresses containing AND.
1672 (spu_split_load, spu_split_store): Use updated movti pattern.
1673 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
1674 stores in mov patterns for correct operation of reload.
1675 (lq, lq_<mode>, stq, stq_<mode>): Remove.
1677 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1680 * c-common.c (check_main_parameter_types): Check for error_mark_node.
1682 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
1684 * common.opt (ftree-combine-temps): Remove.
1685 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
1686 (coalesce_ssa_name): Don't check for combine-temps.
1687 (coalesce_vars): Remove.
1688 (check_replaceable): Use num_imm_uses.
1689 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
1690 check for combine-temps.
1691 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
1692 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
1693 to register_ssa_partition calls.
1694 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
1695 (init_var_map, delete_var_map): remove refernces to ref_count.
1696 (create_ssa_var_map): Never calculate a ref count.
1697 (type_var_init): Remove.
1698 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
1699 (SSA_VAR_MAP_REF_COUNT): Delete.
1700 (create_ssa_var_map): Change Prototype to have no parameters.
1701 (version_ref_count): Delete.
1702 (register_ssa_partition): Remove 'is_use' paramater and don't set the
1704 (type_var_num, type_var, type_var_first_partition,
1705 type_var_next_partition, type_var_dump, type_var_delete,
1706 type_var_remove_partition, type_var_find, type_var_compact,
1707 type_var_decompact): Remove.
1709 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1711 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
1714 2006-12-01 Richard Guenther <rguenther@suse.de>
1717 * dwarf2out.c (struct pubname_struct): Make name const.
1718 (add_pubtype): Do not xstrdup identifiers.
1720 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
1722 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
1723 multiword accesses are in range.
1725 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
1727 PR tree-optimization/29921
1728 * tree-ssa-ccp.c (canonicalize_float_value): New function.
1729 (set_lattice_value): Use canonicalize_float_value.
1731 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1733 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
1734 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
1735 (spu_cpu_cpp_builtins): Remove.
1736 (spu_override_options): Don't set warn_main.
1737 (spu_force_reg): Move from spu-c.c.
1738 (spu_check_builtin_parm): Likewise.
1739 (expand_builtin_args): Likewise.
1740 (spu_expand_builtin_1): Likewise.
1741 (spu_expand_builtin): Likewise.
1742 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
1743 warn_main and targetm.resolve_overloaded_builtin.
1744 * config/spu/spu-c.c (spu_builtin_range): Remove.
1745 (spu_check_builtin_parm): Remove.
1746 (expand_builtin_args): Remove.
1747 (spu_expand_builtin_1): Remove.
1748 (spu_expand_builtin): Remove.
1749 (spu_cpu_cpp_builtins): Moved from spu.c
1750 (spu_force_reg): Remove.
1752 2006-12-01 Joseph Myers <joseph@codesourcery.com>
1753 David Edelsohn <edelsohn@gnu.org>
1756 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
1757 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
1758 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
1759 HARD_REGNO_NREGS_WITH_PADDING): Define.
1760 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
1761 HARD_REGNO_NREGS_WITH_PADDING): Define.
1762 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
1763 Use new macros to detect modes with holes; do not look at integer
1765 (subreg_offset_representable_p): Check for and disallow cases
1766 where the modes use different numbers of bits from registers.
1767 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
1768 constant for soft-float.
1769 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
1771 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
1772 in E500 double case.
1773 * config/rs6000/rs6000.md (movtf): Allow soft-float.
1774 (movtf_softfloat): New.
1776 2006-11-30 Richard Sandiford <richard@codesourcery.com>
1778 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
1779 simplify_gen_subreg.
1781 2006-11-30 Andrew Macleod <amacleod@redhat.com>
1783 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
1784 (COALESCE_HASH_FN): New. Define hash function.
1785 (partition_pair_map_hash): New. Hash value for a partition pair.
1786 (partition_pair_map_eq): New. Equality for hash pairs.
1787 (create_coalesce_list): Create hash table.
1788 (delete_coalesce_list): Free hash table.
1789 (find_partition_pair): Find/create pairs in hash table.
1790 (compare_pairs): Sort pairs in ascending order now.
1791 (num_coalesce_pairs): New. Number of pairs in hash table.
1792 (struct partition_pair_iterator): Iterator struct for pair table.
1793 (first_partition_pair): Iterator function for first pair.
1794 (end_partition_pair_p): Iterator function for end of iteration.
1795 (next_partition_pair): Iterator function for next pair.
1796 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
1797 (sort_coalesce_list): Sort pairs from hash table into an array.
1798 (pop_best_coalesce): Take pairs from the array.
1799 (dump_coalesce_list): Update to use hash table or sorted array.
1800 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
1801 (struct coalesce_list_d): Add hash table related fields.
1803 2006-11-30 Jan Hubicka <jh@suse.cz>
1806 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
1807 memmove/bcopy->memcpy conversion.
1809 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
1811 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
1812 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
1813 Default is the largest alignment supported for 32-bit ELF and
1814 representable on a 32-bit host.
1816 2006-11-30 Janis Johnson <janis187@us.ibm.com>
1818 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
1820 2006-11-30 Jan Hubicka <jh@suse.cz>
1822 * tree-ssa-operands.h (struct ssa_operands): New.
1823 * tree-flow-inline.h (gimple_ssa_operands): New function.
1824 * tree-flow.h: (struct gimple_df): Add ssa_operands.
1825 * Makefile.in: Remove gt-tree-ssa-operands.h
1826 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
1827 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
1828 operand_memory, operand_memory_index, ops_active): Remove statics.
1829 (ALLOC_OPTYPE): Update.
1830 (operand_build_sort_virtual): Update.
1831 (ssa_operands_active): Update.
1832 (init_ssa_operands): Update.
1833 (fini_ssa_operands): Update.
1834 (ssa_operand_alloc): Update.
1835 (INITIALIZE_USE): Update.
1836 (finalize_ssa_use_ops): Update.
1837 (finalize_ssa_v_may_def_ops): Update.
1838 (finalize_ssa_vuse_ops): Update.
1839 (finalize_ssa_v_must_def_ops): Update.
1841 2006-11-30 Richard Guenther <rguenther@suse.de>
1843 * tree-vectorizer.h (vectorizable_function): Export.
1844 * tree-vect-transform.c (vectorizable_function): Likewise.
1845 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
1846 type_in to scalar type in recognition of squaring.
1847 Make sure the target can vectorize sqrt in recognition
1848 of sqrt, set type_in to vector type in this case.
1850 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1852 * config/i386/i386.md (R10_REG): New constant.
1853 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
1854 (ix86_emit_restore_regs_using_mov): Ditto.
1855 (ix86_expand_call): Ditto.
1856 (x86_output_mi_thunk): Ditto. Also use R10_REG.
1858 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1860 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
1861 * alias.c (canon_true_dependence): Update comment.
1863 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
1865 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
1866 at the end of a diagnostics message.
1868 * alloc-pool.c (pool_free): Postpone clearing the pool entry
1869 until after asserting that it was allocated in the right pool.
1871 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
1872 successor edge information as well. Make output of live regs
1873 on exit consistent with live regs on entry.
1875 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1878 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
1879 insn patterns for TARGET_80387.
1880 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
1881 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
1882 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
1883 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
1884 Generate truncxf<mode>2 insn patterns for strict SSE math.
1886 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
1888 * config/i386/i386.md (movsf_1): Enable pattern for standard
1889 80387 constants before reload when optimizing for size.
1890 (*movdf_nointeger, *movdf_integer): Ditto.
1891 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
1892 80387 constants before reload when not optimizing for size.
1894 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
1895 extension of XFmode input operands.
1897 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1899 * config/spu/crt0.c (__dso_handle): Define.
1901 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
1903 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
1904 when clearing the used flags.
1906 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1908 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
1910 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
1913 * config/spu/spu.md (extend_compare<mode>): New pattern.
1914 (extend_compare): Change to expand and use the above pattern.
1916 2006-11-29 Janis Johnson <janis187@us.ibm.com>
1918 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
1920 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
1921 (DFP_INIT_ROUNDMODE): Define.
1922 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
1923 * mklibgcc.in: Fix dependencies for dfp-bit.c.
1925 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
1927 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
1928 Update documentation.
1929 (associate_line_notes_with_blocks): Kill.
1930 (extend_bb): Remove basic block argument, put void instead.
1931 Remove line number handling for each bb.
1932 (save_line_notes): Kill.
1933 (restore_line_notes): Kill.
1934 (sched_init): Remove line_note_head initialization.
1935 Change extend_bb call.
1936 (sched_finish): Remove free of line_note_head.
1937 (add_block): Change extend_bb call.
1938 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
1939 rm_line_notes and restore_line_notes calls.
1940 (schedule_ebbs): Remove rm_redundant_line_notes.
1941 * sched-int.h (struct haifa_insn_data): Remove line_note.
1942 (save_line_notes): Remove declaration.
1943 (restore_line_notes): Remove declaration.
1944 * modulo-sched.c (loop_canon_p): Update debug info printing
1945 by using insn locators instead of line note.
1946 (sms_schedule): Update debug info printing, by using insn
1947 locators instead of line note.
1948 * sched-rgn.c (debug_dependencies): Remove handling of case
1949 n>0 (line number), since it's a dead code.
1950 (schedule_region): Remove save_line_notes and
1951 restore_line_notes calls.
1953 2006-11-29 Joseph Myers <joseph@codesourcery.com>
1955 * config/rs6000/predicates.md (gpc_reg_operand): Check
1956 invalid_e500_subreg.
1957 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
1958 SImode subregs of SPE vectors.
1959 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
1960 * jump.c (true_regnum): Require subregs to satisfy
1961 subreg_offset_representable_p.
1963 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
1964 Steven Bosscher <stevenb.gcc@gmail.com>
1966 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
1967 since it no longer exists.
1969 2006-11-29 Duncan Sands <baldrick@free.fr>
1971 PR tree-optimization/23744
1972 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
1974 2006-11-29 Duncan Sands <baldrick@free.fr>
1976 PR tree-optimization/23744
1977 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
1979 2006-11-29 Duncan Sands <baldrick@free.fr>
1981 PR tree-optimization/23744
1982 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
1984 2006-11-29 Jie Zhang <jie.zhang@analog.com>
1986 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
1988 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
1990 * sh.opt (minline-ic_invalidate): New option.
1991 (musermode): Adjust comment.
1992 * sh.c (sh_initialize_trampoline): Emit library call unless
1993 is set; if it is set, don't emit library call if we can use icbi
1995 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
1996 icbi for TARGET_SH4_300.
1997 * t-sh (LIB1ASMFUNCS_CACHE): Set.
1998 * doc/invoke.texi: Document -minline-ic_invalidate; Update
1999 -musermode documentation.
2001 2006-11-29 Jim Tison <jtison@us.ibm.com>
2003 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
2004 __gthread_recursive_mutex_init): Define.
2006 2006-11-29 Joseph Myers <joseph@codesourcery.com>
2008 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
2009 STRICT_ALIGNMENT and the type is more aligned than the saved
2010 registers, copy via a temporary.
2012 2006-11-28 Andrew Pinski <pinskia@gmail.com>
2015 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
2018 2006-11-28 Bob Wilson <bob.wilson@acm.org>
2020 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
2022 2006-11-28 Jan Hubicka <jh@suse.cz>
2024 Privatize SSA variables into gimple_df.
2025 * tree-flow-inline.h
2026 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
2027 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
2028 gimple_nonlocal_all): New accessors.
2029 (first_referenced_var): Update.
2030 (mark_stmt_modified): Update.
2031 (is_call_clobbered): Update.
2032 (mark_call_clobbered): Update.
2033 (clear_call_clobbered): Update.
2034 (mark_non_addressable): Update.
2035 * tree-vrp.c (get_value_range): Update.
2036 * tree-into-ssa.c (in_ssa_p): Kill.
2037 (get_default_def_for): Update.
2038 (rewrite_into_ssa): Update.
2039 * tree-complex.c (init_parameter_lattice_values): Update.
2040 (update_complex_assignment): Update.
2041 (update_parameter_components): Update.
2042 (expand_complex_libcall): Update.
2043 (expand_complex_operations_1): Update.
2044 * tree-tailcall.c (arg_needs_copy_p): Update.
2045 (add_virtual_phis): Update.
2046 (tree_optimize_tail_calls_1): Update.
2047 * tree-ssa-dse.c (memory_ssa_name_same): Update.
2048 * tree-ssa-copyrename.c
2049 (copy_rename_partition_coalesce): Update.
2050 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
2051 * tree-ssa-propagate.c (set_rhs): Update.
2052 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
2053 addressable_vars, global_var):Kill.
2054 (set_initial_properties): Update.
2055 (init_alias_info): Update.
2056 (finalize_ref_all_pointers): Update.
2057 (setup_pointers_and_addressables): Update.
2058 (maybe_create_global_var): Update.
2059 (create_global_var): Update.
2060 (dump_points_to_info): Update.
2061 * function.h (struct gimple_df): Forward declare.
2062 (struct function): Add GIMPLE_DF field.
2063 * gimplify.c (force_gimple_operand): Update.
2064 * tree-dfa.c (referenced_vars, default_defs): KIll.
2065 (make_rename_temp): Update.
2066 (dump_variable): Update.
2067 (referenced_var_lookup): Update.
2068 (referenced_var_check_and_insert): Update.
2069 (default_def): Rename to ...
2070 (gimple_default_def): ... this one; accept cfun argument.
2071 (set_default_def): Update.
2072 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
2073 (cleanup_control_flow): Update.
2074 * tree-ssa-pre.c (compute_avail): Update
2075 * tree-ssa-live.c (calculate_live_on_entry): Update.
2076 * tree-ssa.c (verify_use): Update.
2077 (verify_call_clobbering): Update.
2078 (verify_call_clobbering): Update.
2079 (init_tree_ssa): Update.
2080 (delete_tree_ssa): Update.
2081 * tree-outof-ssa.c (coalesce_ssa_name): Update.
2082 (rewrite_out_of_ssa): Update.
2083 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
2084 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
2086 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
2087 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
2088 addressable_vars, aliases_computed_p): Kill.
2089 (default_def): Rename to...
2090 (gimple_default_def): ... this one.
2091 (defaule_def_fn): Kill.
2092 (num_referenced_vars, ssa_names, num_ssa_names): Update.
2093 * tree-ssa-structalias.c (nonlocal_all): Kill.
2094 (get_constraint_exp_from_ssa_var): Update.
2095 (create_nonlocal_var): Update.
2096 (get_constraint_for): Update.
2097 (update_alias_info): Update.
2098 (find_global_initializers): Update.
2099 (intra_create_variable_infos): Update.
2100 (intra_create_variable_infos):
2101 (find_what_p_points_to): Update.
2102 (init_alias_heapvars): Update.
2103 * tree-cfg.c (remove_bb): Update.
2104 (gimplify_val): Update.
2105 * tree-ssa-reassoc.c (get_rank): Update.
2106 (init_reassoc): Update.
2107 * tree-ssanames.c: Do not include gt-tree-ssanames.h
2108 (ssa_names, free_ssanames): Kill.
2109 (init_ssanames): Update.
2110 (make_ssa_name): Update.
2111 (release_ssa_name): Update.
2112 (release_defs): Update.
2113 (replace_ssa_name_symbol): Update.
2114 * tree-ssa-operands.c (access_can_touch_variable): Update.
2115 (add_virtual_operand): Update.
2116 (add_call_clobber_ops): Update.
2117 (add_call_read_ops): Update.
2118 (get_call_expr_operands): Update.
2119 (get_asm_expr_operands): Update.
2121 2006-11-28 Jan Hubicka <jh@suse.cz>
2123 * builtins.c: Include tree-flow.h.
2124 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
2125 assignment; convert memmove to memcpy for sizes greater than 1 where
2126 alignment of operands prohibit the partial overlap.
2128 2006-11-28 Jan Hubicka <jh@suse.cz>
2130 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
2131 * cgraph.c (dump_cgraph_node): Dump stack usage.
2132 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
2133 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
2134 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
2135 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
2136 (cgraph_check_inline_limits): Limit stack growth.
2137 * cfgexpand.c: Include tree-inline.h.
2138 (account_stack_vars): New function.
2139 (expand_one_var): New param to just account the stack; return estimated
2141 (expand_used_vars_for_block): Update call of expand_one_var.
2142 (account_used_vars_for_block): New function.
2143 (estimated_stack_frame_size): Likewise.
2144 (init_vars_expansion, fini_vars_expansion): Break out from..
2145 (expand_used_vars): ... here.
2146 * tree-inline.h (estimated_stack_frame_size): Declare.
2147 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
2149 2006-11-28 Richard Guenther <rguenther@suse.de>
2151 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
2152 unsigned long for printing OBJECT_SIZE.
2154 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
2156 * alias.c (init_alias_analysis): Remove simplification loop
2157 after propagating pointers.
2159 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2161 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
2164 2006-11-27 Bob Wilson <bob.wilson@acm.org>
2166 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
2168 2006-11-27 Roger Sayle <roger@eyesopen.com>
2169 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2171 * c-common.c (constant_fits_type_p): Delete.
2172 (unsigned_conversion_warning): Delete.
2173 (conversion_warning): Integrate Wconversion warning from
2174 unsigned_conversion_warning.
2175 (convert_and_check): Integrate Woverflow warning from
2176 unsigned_conversion_warning. Reorganize and simplify to avoid
2177 dependence upon the middle-end setting TREE_OVERFLOW on integral
2178 conversions, by using int_fits_type_p directly.
2180 2006-11-27 Tobias Burnus <burnus@net-b.de>
2182 * doc/invoke.texi: Fixed typo.
2184 2006-11-27 Michael Matz <matz@suse.de>
2185 Andreas Krebbel <krebbel1@de.ibm.com>
2188 * config/s390/predicates.md (larl_operand): Check addend of larl
2189 operand to be in range of -/+2GB.
2190 * config/s390/s390.c (legitimize_pic_address): Likewise.
2191 Changed type of variable even to HOST_WIDE_INT.
2193 2006-11-27 Jan Hubicka <jh@suse.cz>
2195 * expr.c (emit_block_move_via_libcall): Export.
2196 (clear_storage_via_libcall): Rename to ...
2197 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
2198 (clear_storage): Update to set_storage_via_libcall.
2199 * expr.h (emit_block_move_via_libcall): Declare
2200 * config/i386/i386.h (stringop_alg): New enum.
2201 (MAX_STRINGOP_ALGS): New constant.
2202 (stringop_algs): New struct.
2203 (processor_costs): Add memcpy/memset descriptors.
2204 (TARGET_REP_MOVEL_OPTIMAL): Remove.
2205 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
2206 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
2208 * config/i386/i386.opt (minline-stringops-dynamically,
2209 mstringop-strategy): New
2211 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
2212 (ix86_expand-clrmem): Rename to ...
2213 (ix86_expand_setmem): ... this one; update prototype.
2214 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
2215 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
2216 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
2217 nocona_cost, core2_cost, generic_cost, generic64_cost,
2218 generic32_cost): Add memcpy/memset descriptors.
2219 (x86_rep_movl_optimal): Remove.
2220 (stringop_alg): New static variable.
2221 (ix86_expand_aligntest): Handle predictions.
2222 (override_options): Add strgop_alg handling.
2223 (predict_jump): New function.
2224 (scale_counter): New function.
2225 (expand_set_or_movmem_via_loop): New function.
2226 (expand_movmem_via_rep_mov): New function.
2227 (expand_setmem_via_rep_stots): New function.
2228 (emit_strmov): New function.
2229 (expand_movmem_epilogue): New function.
2230 (expand_setmem_epilogue_via_loop): New function.
2231 (expand_setmem_epilogue): New function.
2232 (expand_movmem_prologue): New function.
2233 (expand_setmem_prologue): New function.
2234 (decide_alg): New function.
2235 (decide_alignment): New function.
2236 (ix86_exand_movmem): Rewrite.
2237 (promote_duplicated_reg): New function.
2238 (ix86_expand_clrmem): Rename to ...
2239 (ix86_expand_setmem): ... this one. Rewrite.
2241 * invoke.texi (minline-stringops-dynamically): New command line option.
2242 (mstringop-strategy): Likewise.
2244 2006-11-27 Jan Hubicka <jh@suse.cz>
2246 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
2247 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
2248 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
2249 * insn-notes.def (FUNCTION_END): Remove.
2250 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
2251 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
2253 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
2254 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
2255 * cfglayout.c (duplicate_insn_chain): Don't worry about
2258 2006-11-27 Richard Guenther <rguenther@suse.de>
2259 Zdenek Dvorak <dvorakz@suse.cz>
2261 * target.h (struct gcc_target): Add builtin_vectorized_function
2263 * target-def.h (TARGET_VECTORIZE): Likewise.
2264 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2265 Document new target hook.
2266 * targhooks.h (default_builtin_vectorized_function): Declare.
2267 * targhooks.c (default_builtin_vectorized_function): Define.
2268 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
2269 (vectorizable_call): Declare.
2270 * tree-vect-analyze.c (vect_analyze_operations): Call
2272 * tree-vect-transform.c (vectorizable_function): New static function.
2273 (build_vectorized_function_call): Likewise.
2274 (vectorizable_call): New function.
2275 (vect_transform_stmt): Handle vectorizable calls.
2277 2006-11-27 Richard Guenther <rguenther@suse.de>
2280 * builtins.c (expand_builtin_pow): Optimize non integer valued
2281 constant exponents using sqrt or cbrt if possible. Always fall back
2282 to expanding via optabs.
2284 2006-11-27 Ira Rosen <irar@il.ibm.com>
2286 PR tree-optimization/22372
2287 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
2288 the type of the base address.
2289 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
2290 it in the data-ref pointer creation.
2291 (vect_init_vector): Add an argument, type of the init vector. Use it in
2293 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
2294 (get_initial_def_for_reduction): Likewise.
2295 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
2297 (vectorizable_assignment, vect_permute_store_chain): Likewise.
2298 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
2299 correct type in stmt creation.
2300 (vect_setup_realignment): Use the correct type in stmt creation.
2301 (vect_permute_load_chain): Change type of MODIFY_EXPR to
2303 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
2304 of MODIFY_EXPR to void_type_node.
2305 (vectorizable_condition): Change type of MODIFY_EXPR to
2307 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
2310 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
2313 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2314 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2315 standard 80387 constants, raise the cost to prevent
2316 compress_float_constant() to generate load from memory.
2318 * config/i386/i386.md: Add new splitter pattern to split
2319 float_extended load of constant from constant pool into
2322 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2324 * doc/install.texi: Move GMP/MPFR configure options from Fortran
2325 section to general section. Remove documentation for
2326 --with-mpfr-dir and --with-gmp-dir, add documentation for
2327 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
2330 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
2332 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
2334 * testsuite/gcc.dg/ipa/ipa-6.c: New.
2336 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
2338 PR tree-optimization/29122
2339 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
2340 for the new version. Assign NULL to DECL_RTL of the new version.
2342 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2344 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
2346 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
2348 * cse.c (cse_altered): Remove.
2349 (record_jump_equiv): Make true/false argument a bool instead
2351 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
2352 where appropriate. Emit a new jump before the existing one
2353 instead of after so that delete_insn_and_edges removes the
2354 dead edges properly. Check any_condjump_p before calling
2356 (cse_basic_block): Check any_condjump_p before calling
2358 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
2360 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
2362 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
2363 -ffixed-line-length-* options.
2365 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
2367 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
2368 (fprem1xf4): Rename to fprem1xf4_i387.
2370 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
2371 Rename patterns to fmod<mode>3. Use general_operand operand
2372 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
2373 patterns for SSE math.
2374 (remaindersf3, remainderdf3): Ditto.
2376 2006-11-25 Joseph Myers <joseph@codesourcery.com>
2378 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
2379 inside start_sequence / end_sequence pair.
2381 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
2383 * jump.c (mark_all_labels): Work in cfglayout mode.
2384 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
2385 when in cfglayout mode, because there are no dead jumptables
2387 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
2389 (commit_edge_insertions): Do not allow insertion of instructions
2390 with control flow insns when in cfglayout mode.
2392 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
2394 * tree-vrp.c (execute_vrp): Do not pass loops structure through
2396 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
2397 unswitch_loop): Ditto.
2398 * tree-loop-linear.c (linear_transform_loops): Ditto.
2399 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
2400 tree_ssa_lim): Ditto.
2401 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
2402 free_numbers_of_iterations_estimates): Ditto.
2403 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
2404 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
2405 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
2406 remove_path, add_loop, loopify, unloop, fix_loop_placements,
2407 place_new_loop, duplicate_loop, duplicate_subloops,
2408 update_single_exit_for_duplicated_loops, copy_loops_to,
2409 duplicate_loop_to_header_edge, create_preheaders,
2410 force_single_succ_latches, loop_version, fix_loop_structure):
2412 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
2413 tree_unroll_loop): Ditto.
2414 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
2415 * tree-scalar-evolution.c (select_loops_exit_conditions,
2416 scev_initialize, scev_analysis): Ditto.
2417 * tree-scalar-evolution.h (scev_initialize): Ditto.
2418 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
2419 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
2420 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
2421 * modulo-sched.c (sms_schedule): Ditto.
2422 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
2423 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
2424 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
2425 * ifcvt.c (if_convert): Ditto.
2426 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
2427 canonicalize_loop_induction_variables,
2428 canonicalize_induction_variables,
2429 tree_unroll_loops_completely, remove_empty_loops): Ditto.
2430 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
2431 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
2432 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
2433 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
2434 tree_ssa_loop_done): Ditto.
2435 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
2436 estimate_bb_frequencies): Ditto.
2437 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
2438 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
2439 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
2440 decide_unrolling_and_peeling, peel_loop_completely,
2441 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
2442 peel_loop_simple, unroll_loop_stupid): Ditto.
2443 * loop-doloop.c (doloop_optimize_loops): Ditto.
2444 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
2445 * loop-invariant.c (move_loop_invariants): Ditto.
2446 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
2447 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
2448 tree_ssa_prefetch_arrays): Ditto.
2449 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
2451 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
2452 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
2453 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
2454 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
2455 verify_loop_structure): Ditto.
2456 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
2457 canonicalize_induction_variables, tree_unroll_loops_completely,
2458 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
2459 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
2460 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
2461 tree_unroll_loop, linear_transform_loops): Declaration changed.
2462 * basic-block.h: Remove declaration of struct loops.
2463 * cfghooks.h (struct cfg_hooks): Change type of
2464 cfg_hook_duplicate_loop_to_header_edge.
2465 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
2466 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
2467 vect_transform_loop): Declaration changed.
2468 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
2469 * cfgloop.h (flow_loops_dump, fix_loop_structure,
2470 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
2471 cancel_loop_tree, create_preheaders, force_single_succ_latches,
2472 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
2473 loopify, loop_version, remove_path, unswitch_loops,
2474 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
2475 Declaration changed.
2477 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
2479 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
2480 (X87MODEF): New mode macro.
2481 (ssemodefsuffix): New mode attribute.
2482 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
2483 (sqrt_extend<mode>xf2_i387): New insn pattern.
2484 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
2485 insn and truncate result back to original mode using
2486 UNSPEC_TRUNC_NOOP truncation.
2487 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
2488 ssemodefsuffix mode attribute.
2489 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
2490 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
2491 (*sqrtextenddfxf2_i387): Remove insn patterns.
2493 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
2494 truncation patterns.
2496 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
2498 2006-11-24 Jakub Jelinek <jakub@redhat.com>
2501 * c-tree.h (c_maybe_initialize_eh): New prototype.
2502 * c-decl.c (finish_decl): Move EH initialization...
2503 (c_maybe_initialize_eh): ... here. New function.
2504 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
2505 if not #pragma omp atomic.
2508 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
2509 or UNION_TYPE inner types.
2511 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
2514 * ipa-pure-const.c (check_tree): If the original tree
2515 is volatile return early and say the function is not pure
2516 nor const. Remove the volatile check for writes.
2517 (analyze_function): Print out the result of the local
2520 2006-11-24 Joseph Myers <joseph@codesourcery.com>
2522 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
2524 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
2525 * config/rs6000/rs6000.c (rs6000_override_options): Use
2526 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
2529 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
2531 * config/s390.c (s390_emit_compare_and_swap): New function.
2532 (s390_expand_cs_hqi, s390_expand_atomic): Call
2533 s390_emit_compare_and_swap.
2535 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2537 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
2539 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2543 * c-common.c (conversion_warning): New.
2544 (convert_and_check): Call conversion_warning unless there is an
2546 * doc/invoke.texi (-Wconversion): Update description.
2548 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
2550 * tree-ssa-alias.c (tree_pointer_compare): New function.
2551 (compact_name_tags): New function.
2552 (group_aliases): Call compact_name_tags.
2554 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2556 * real.h (real_isinteger): Declare.
2557 * real.c (real_isinteger): Define.
2558 * builtins.c (integer_valued_real_p): Use it.
2560 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2563 * c.opt (Wtraditional-conversion): New.
2564 (Wconversion): Update description.
2565 * c-typeck.c (convert_arguments): Warnings for prototypes causing
2566 type conversions different from what would happen in the absence
2567 of prototype are now handled by Wtraditional-conversion.
2568 * doc/invoke.texi (Wtraditional-conversion): New.
2569 (Wconversion): Update description.
2570 * doc/trouble.texi (Wconversion): Replace Wconversion by
2571 Wtraditional-conversion.
2573 2006-11-23 Andrew Pinski <pinskia@gmail.com>
2575 * predict.c (tree_estimate_probability): Check to make
2576 sure current_loops is non null before calling flow_loops_dump.
2578 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2580 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
2582 2006-11-23 David Ung <davidu@mips.com>
2584 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
2586 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
2587 (ASM_SPEC): Pass along -mfp32 and -mfp64.
2588 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
2589 high part of FP register when in 64-bit FP register mode. Similarly
2590 use gen_mfhc1 to load high part of FP register.
2591 (override_options): Allow -mgp32 and -mfp64 combination if
2592 ISA_HAS_MXHC1 (currently for O32 only).
2593 (mips_cannot_change_mode_class): If floating-point registers are
2594 bigger than word size. disallow conversion of float register from a
2595 large integer mode to a float mode smaller than the float register
2597 (mips_class_max_nregs): Handle float registers case seperately.
2598 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
2600 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
2601 (movdf_hardfloat_32bit): Similarly.
2602 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
2603 support a full 64-bit fpu.
2604 (mthc1): New pattern to generate MTHC1 instruction.
2605 (mfhc1): New pattern to generate MFHC1 instruction.
2606 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
2607 option for the MIPS32R2 and mention its use under O32 ABI.
2609 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
2611 * var-tracking.c (emit_note_insn_var_location): Take care not to
2612 cause verify_flow_info failures.
2614 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
2616 * tree-ssa-structalias.c: Remove edge weights in favor of just
2617 processing them as complex constraints.
2618 (struct constraint_graph): Remove weighted succs and preds. Rename
2619 nonweighted succs and preds.
2620 (constraint_edge): Removed.
2621 (constraint_edge_t): Ditto.
2622 (constraint_edge_pool): Ditto.
2623 (new_constraint_edge): Ditto.
2624 (constraint_edge_equal): Ditto.
2625 (constraint_edge_less): Ditto.
2626 (constraint_edge_vec_find): Ditto.
2627 (erase_self_graph_edge): Ditto.
2628 (add_graph_edge): Removed.
2629 (get_graph_weights): Ditto.
2630 (allocate_graph_weights): Ditto.
2631 (valid_weighted_graph_edge): Ditto
2632 (bitmap_other_than_zero_bit_set): Ditto.
2633 (int_add_graph_edge): Renamed to add_graph_edge.
2634 (clear_edges_for_node): Remove support for weighted edges.
2635 (merge_graph_nodes): Ditto.
2636 (valid_graph_edge): Ditto.
2637 (build_constraint_graph): Ditto.
2639 (collapse_nodes): Ditto.
2640 (process_unification_queue): Ditto.
2641 (topo_visit): Ditto.
2642 (do_ds_constraint): Ditto.
2643 (perform_var_subsitution): Ditto.
2644 (solve_graph): Ditto.
2645 (init_alias_vars): Ditto.
2646 (delete_points_to_sets): Ditto.
2647 (do_complex_constraint): Support offsetted copies here.
2649 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
2651 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
2653 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
2655 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
2658 2006-11-23 Ben Elliston <bje@au.ibm.com>
2660 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
2662 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
2664 PR tree-optimization/29921
2665 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
2666 signed and unsigned zero equal.
2668 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
2670 * config/rs6000/rs6000.c (get_store_dest): New.
2671 (adjacent_mem_locations): Use get_store_dest() to get
2672 the rtl of the store destination.
2674 2006-11-22 Joseph Myers <joseph@codesourcery.com>
2676 * config/rs6000/spe.md (SPE64): New mode macro.
2677 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
2679 (mov_si<mode>_e500_subreg0_2): New.
2680 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
2682 (mov_si<mode>_e500_subreg4_2): New.
2683 * config/rs6000/predicates.md (input_operand): Do not allow
2684 invalid E500 subregs.
2685 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
2687 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
2688 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
2689 involving vector modes if TARGET_SPE.
2691 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
2694 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2695 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2697 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
2699 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
2700 mem_i_address_operand): New predicates.
2701 * config/bfin/bfin.c (bfin_issue_rate): New function.
2702 (TARGET_SCHED_ISSUE_RATE): New macro.
2703 * config/bfin/bfin.md (addrtype): New attribute.
2704 (slot0, slot1, slot2, store, pregs): New cpu_units.
2705 (core): Now a define_reservation.
2706 (alu): Remove some insn types from this reservation.
2707 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
2709 (dummy reservation): Don't trigger for mcld insns.
2710 (absence_sets): Two new absence sets to enforce slot ordering.
2711 (popsi_insn): Set addrtype.
2713 2006-11-22 Ira Rosen <irar@il.ibm.com>
2715 * doc/c-tree.texi: Document new tree codes.
2716 * doc/md.texi: Document new optabs.
2717 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
2719 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
2720 * optabs.h (optab_index): Add new.
2721 (vec_extract_even_optab, vec_extract_odd_optab,
2722 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
2723 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
2724 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
2726 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
2727 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
2728 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
2729 along with macros for their access.
2730 * tree-data-ref.h (first_location_in_loop, data_reference): Update
2732 * tree-vect-analyze.c (toplev.h): Include.
2733 (vect_determine_vectorization_factor): Fix indentation.
2734 (vect_insert_into_interleaving_chain,
2735 vect_update_interleaving_chain, vect_equal_offsets): New functions.
2736 (vect_analyze_data_ref_dependence): Add argument for interleaving
2737 check. Check for interleaving if it's true.
2738 (vect_check_dependences): New function.
2739 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
2740 every ddr. Call vect_analyze_data_ref_dependence with new argument.
2741 (vect_update_misalignment_for_peel): Update for interleaving.
2742 (vect_verify_datarefs_alignment): Check only first data-ref for
2744 (vect_enhance_data_refs_alignment): Update for interleaving. Check
2745 only first data-ref for interleaving.
2746 (vect_analyze_data_ref_access): Check interleaving, update
2748 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
2749 with different parameters.
2750 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
2751 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
2752 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
2753 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
2754 Update step in case of interleaving.
2755 (vect_strided_store_supported, vect_permute_store_chain): New
2757 (vectorizable_store): Handle strided stores.
2758 (vect_strided_load_supported, vect_permute_load_chain,
2759 vect_transform_strided_load): New functions.
2760 (vectorizable_load): Handle strided loads.
2761 (vect_transform_stmt): Add argument. Handle strided stores. Check
2762 that vectorized stmt exists for patterns.
2763 (vect_gen_niters_for_prolog_loop): Update calculation for
2765 (vect_transform_loop): Remove stmt_vec_info for strided stores after
2766 whole chain vectorization.
2767 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
2768 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
2769 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
2770 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
2771 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
2773 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
2775 * cse.c (enum taken): Remove PATH_AROUND.
2776 (addr_affects_sp_p, invalidate_skipped_set,
2777 invalidate_skipped_block): Remove.
2778 (cse_end_of_basic_block): Remove skip_blocks and related code.
2779 (cse_main): Don't test for flag_cse_skip_blocks.
2780 Update cse_end_of_basic_block call.
2781 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
2782 code to lengthen the path if a jump was simplified.
2784 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2786 PR rtl-optimization/29924
2787 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
2788 (unroll_loop_runtime_iterations): Assert that the argument passed to
2789 split_edge_and_insert is not NULL.
2790 * loop-doloop.c (add_test): Ditto.
2792 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2794 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
2796 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
2797 * cfgloopmanip.c (update_single_exits_after_duplication,
2798 update_single_exit_for_duplicated_loop, loop_version): Ditto.
2799 * tree-scalar-evolution.c (get_loop_exit_condition,
2800 get_exit_conditions_rec, loop_closed_phi_def,
2801 number_of_iterations_in_loop, scev_const_prop): Ditto.
2802 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
2803 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
2805 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
2807 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
2808 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
2809 slpeel_make_loop_iterate_ntimes,
2810 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
2811 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
2813 * tree-if-conv.c (if_convertible_loop_p): Ditto.
2814 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
2815 vect_analyze_loop_form): Ditto.
2816 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
2817 can_convert_to_perfect_nest, perfect_nestify): Ditto.
2818 * tree-vect-transform.c (vect_create_epilog_for_reduction,
2819 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
2820 vect_transform_loop): Ditto.
2821 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
2822 (single_exit, set_single_exit): New functions.
2823 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
2824 (single_exit, set_single_exit): Declare.
2825 * doc/loop.texi: Undocument single_exit field. Document single_exit
2828 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
2830 PR tree-optimization/29902
2831 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
2832 any involved ssa name appears in abnormal phi node.
2834 2006-11-21 Bob Wilson <bob.wilson@acm.org>
2836 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
2837 (xtensa_const_ok_for_letter_p): Delete.
2838 (xtensa_extra_constraint): Delete.
2839 (override_options): Delete xtensa_char_to_class initialization.
2840 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
2841 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2842 (EXTRA_CONSTRAINT): Delete.
2843 * config/xtensa/xtensa.md: Include constraints.md.
2844 (call_internal): Combine alternatives.
2845 (call_value_internal): Likewise, and remove invalid constraints.
2846 * config/xtensa/constraints.md: New file.
2847 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
2848 (xtensa_extra_constraint): Delete.
2849 * doc/md.texi (Machine Constraints): Refer to constraints.md for
2852 2006-11-21 Janis Johnson <janis187@us.ibm.com>
2854 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
2855 of conversion that doesn't fit.
2857 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
2858 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
2859 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
2861 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
2863 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
2865 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
2867 2006-11-21 Richard Guenther <rguenther@suse.de>
2869 * tree-vectorizer.h (NUM_PATTERNS): Increase.
2870 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
2871 vect_recog_pow_pattern.
2872 (vect_recog_pow_pattern): New function.
2874 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
2876 * config/bfin/bfin.opt (mstack-check-l1): New.
2877 * doc/invoke.texi (Blackfin Options): Document it.
2878 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
2879 stack bounds in L1 memory if the new option is enabled.
2880 (override_options): Don't allow combinations of -fstack-limit and
2882 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
2885 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
2887 (bfin_register_move_cost): Bump costs if trying to move plain
2888 integer values through accumulators.
2890 2006-11-21 Ben Elliston <bje@au.ibm.com>
2892 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
2894 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
2895 Russell Olsen <Russell_Olsen@playstation.sony.com>
2896 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
2897 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
2898 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
2899 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
2900 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2902 * config.gcc: Add target for SPU.
2903 * config/spu/constraints.md: New file.
2904 * config/spu/crt0.c: New file.
2905 * config/spu/crtend.c: New file.
2906 * config/spu/crti.asm: New file.
2907 * config/spu/crtn.asm: New file.
2908 * config/spu/float_unsdidf.c: New file.
2909 * config/spu/float_unssidf.c: New file.
2910 * config/spu/predicates.md: New file.
2911 * config/spu/spu-builtins.def: New file.
2912 * config/spu/spu-builtins.h: New file.
2913 * config/spu/spu-builtins.md: New file.
2914 * config/spu/spu-c.c: New file.
2915 * config/spu/spu-elf.h: New file.
2916 * config/spu/spu-modes.def: New file.
2917 * config/spu/spu-protos.h: New file.
2918 * config/spu/spu.c: New file.
2919 * config/spu/spu.h: New file.
2920 * config/spu/spu.md: New file.
2921 * config/spu/spu.opt: New file.
2922 * config/spu/spu_internals.h: New file.
2923 * config/spu/spu_intrinsics.h: New file.
2924 * config/spu/spu_mfcio.h: New file.
2925 * config/spu/t-spu-elf: New file.
2926 * config/spu/vec_types.h: New file.
2927 * config/spu/vmx2spu.h: New file.
2928 * doc/contrib.texi: Document SPU contributor.
2929 * doc/extend.texi: Document SPU extensions.
2930 * doc/invoke.texi: Document SPU options.
2931 * doc/md.texi: Document SPU constraints.
2933 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2935 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
2937 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
2939 (flow_loop_dump): Do not dump loop level.
2940 (flow_loops_find): Do not call flow_loops_level_compute.
2941 * cfgloop.h (struct loop): Remove level field.
2943 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
2945 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
2946 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
2947 Use vector of edges instead of array.
2948 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
2949 estimate_numbers_of_iterations_loop): Ditto.
2950 * predict.c (predict_loops): Ditto.
2951 * loop-unroll.c (analyze_insns_in_loop): Ditto.
2952 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
2954 * basic-block.h: Declare heap allocation for edge vectors.
2955 * tree-outof-ssa.c: Ditto.
2956 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
2957 * cfgloop.h (get_loop_exit_edges): Declaration changed.
2959 2006-11-20 Zack Weinberg <zackw@panix.com>
2961 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
2962 Add another out parameter, "skip".
2963 (set_gc_used_type): Adjust calls to process_gc_options. If a field
2964 is tagged "skip", do not mark its type used.
2966 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
2969 * tree-sra.c (single_scalar_field_in_record_p): New function.
2970 (decide_block_copy): Use it.
2972 2006-11-20 David Daney <ddaney@avtrex.com>
2974 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
2975 PC to point to following instruction.
2977 2006-11-20 Anatoly Sokolov <aesok@post.ru>
2981 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
2983 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
2985 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
2987 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2988 Add sh/superh.h to tm_file.
2990 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
2991 Mark Mitchell <mark@codesourcery.com>
2993 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
2995 (cpp_relocated): New function.
2996 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
2998 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
2999 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
3000 replace configured prefix with gcc_exec_prefix.
3002 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
3004 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
3005 bfin_legitimate_constant_p.
3006 * config/bfin/bfin.md (movsi expander): Check return value of
3008 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
3009 (expand_move): Adjust prototype.
3010 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
3011 invalid constants specially.
3012 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
3014 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
3016 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
3017 sibcall_value_symbol): Allow these patterns if
3018 TARGET_LEAF_ID_SHARED_LIBRARY.
3019 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
3020 (override_options): Turn on id shared library flags if -msep-data,
3021 but disallow the combination of these options on the command line.
3022 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
3023 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
3024 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
3025 -mid-shared-library.
3026 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
3027 * doc/invoke.texi (Blackfin Options): Document new switches.
3029 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
3030 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
3032 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
3033 inflate costs for addresses with an out-of-bounds address.
3035 2006-11-19 Andrew Pinski <pinskia@gmail.com>
3038 * fwprop.c (loops): Remove.
3039 (forward_propagate_into): Use current_loops instead of
3041 (fwprop_init): Call loop_optimizer_init instead of
3043 (fwprop_done): Call loop_optimizer_finalize instead of
3045 (fwprop): Use current_loops instead of loops.
3047 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
3050 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
3052 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3055 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
3056 larger than BITS_PER_WORD.
3058 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3062 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
3063 to MAX_FIXED_MODE_SIZE.
3065 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3067 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
3068 (fold_builtin_fmin_fmax): New.
3069 (fold_builtin_1): Use it.
3071 * fold-const.c (fold_strip_sign_ops): Handle copysign.
3073 2006-11-18 Richard Guenther <rguenther@suse.de>
3075 * config/i386/i386.c (ix86_builtins): New array for ix86
3076 builtin function decls.
3077 (def_builtin): New function.
3078 (def_builtin_const): Likewise.
3079 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
3081 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
3083 * doc/invoke.texi (core2): Add item.
3085 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
3087 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
3088 (TARGET_CPU_DEFAULT_generic): Change value.
3089 (TARGET_CPU_DEFAULT_NAMES): Add core2.
3090 (processor_type): Add new constant PROCESSOR_CORE2.
3092 * config/i386/i386.md (cpu): Add core2.
3094 * config/i386/i386.c (core2_cost): New initialized variable.
3095 (m_CORE2): New macro.
3096 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
3097 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
3098 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
3099 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
3100 x86_partial_reg_dependency, x86_memory_mismatch_stall,
3101 x86_accumulate_outgoing_args, x86_prologue_using_move,
3102 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
3103 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
3104 x86_use_incdec, x86_four_jump_limit, x86_schedule,
3105 x86_pad_returns): Add m_CORE2.
3106 (override_options): Add entries for Core2.
3107 (ix86_issue_rate): Add case for Core2.
3109 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
3111 * doc/invoke.texi: Fix mno-isel typo.
3113 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3115 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
3116 easy vector constant loads.
3118 2006-11-18 Joseph Myers <joseph@codesourcery.com>
3120 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
3121 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3122 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
3123 * config/rs6000/sync.md (lwsync): Emit plain sync if
3126 2006-11-17 DJ Delorie <dj@redhat.com>
3128 * reload1.c (reloads_unique_chain): New.
3129 (reloads_conflict): Call it.
3131 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3133 * config/xtensa/predicates.md (addsubx_operand): New.
3134 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
3135 (xtensa_emit_bit_branch): New.
3136 (xtensa_emit_movcc): New.
3137 * config/xtensa/xtensa.md (any_minmax): New code macro.
3138 (minmax): New code attribute.
3139 (any_cond, any_scc, any_scc_sf): New code macros.
3140 (*addx2, *addx4, *addx8): Delete.
3142 (*subx2, *subx4, *subx8): Delete.
3144 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
3145 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
3146 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
3147 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
3148 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
3149 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
3150 (movsfcc_internal0, movsfcc_internal1): Likewise.
3151 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
3152 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
3153 (xtensa_emit_bit_branch): New.
3154 (xtensa_emit_movcc): New.
3155 (function_arg_boundary): Add missing prototype.
3157 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3159 * config/xtensa/xtensa.md (tstsi): Delete
3161 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3163 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
3165 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3167 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3169 2006-11-17 Bob Wilson <bob.wilson@acm.org>
3171 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
3173 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3175 * tree-vrp.c (execute_vrp): Do not update current_loops.
3176 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
3177 * doc/loop.texi: Remove documentation for cancelled functions.
3178 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
3179 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
3181 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
3182 (remove_path): Ensure that in delete_basic_blocks, the loops
3183 are still allocated.
3184 (add_loop): Work on valid loop structures.
3185 (loopify): Modify call of add_loop.
3186 (mfb_update_loops): Removed.
3187 (create_preheader): Do not update loops explicitly.
3188 (force_single_succ_latches, loop_version): Do not use
3189 loop_split_edge_with.
3190 (loop_split_edge_with): Removed.
3191 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
3192 Do not use bsi_insert_on_edge_immediate_loop.
3193 (split_loop_exit_edge, tree_unroll_loop): Do not use
3194 loop_split_edge_with.
3195 (bsi_insert_on_edge_immediate_loop): Removed.
3196 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
3197 use loop_split_edge_with.
3198 * cfghooks.c: Include cfgloop.h.
3199 (verify_flow_info): Verify that loop_father is filled iff current_loops
3201 (redirect_edge_and_branch_force, split_block, delete_basic_block,
3202 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
3204 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
3206 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
3207 loop_split_edge_with.
3208 (sms_schedule): Use current_loops.
3209 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
3210 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
3212 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
3213 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
3214 * ifcvt.c (if_convert): Ditto.
3215 * predict.c (predict_loops): Do not clear current_loops.
3216 (tree_estimate_probability): Use current_loops.
3217 (propagate_freq): Receive head of the region to propagate instead of
3219 (estimate_loops_at_level): Do not use shared to_visit bitmap.
3220 (estimate_loops): New function. Handle case current_loops == NULL.
3221 (estimate_bb_frequencies): Do not allocate tovisit. Use
3223 * tree-ssa-loop.c (current_loops): Removed.
3224 (tree_loop_optimizer_init): Do not return loops.
3225 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
3226 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
3227 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
3228 Do not update loops explicitly.
3229 * function.h (struct function): Add x_current_loops field.
3230 (current_loops): New macro.
3231 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
3232 * loop-unroll.c (split_edge_and_insert): New function.
3233 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
3234 use loop_split_edge_with.
3235 * loop-doloop.c (add_test, doloop_modify): Ditto.
3236 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
3237 * cfglayout.c (copy_bbs): Do not update loops explicitly.
3238 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
3239 * tree-vect-transform.c (vect_transform_loop): Do not update loops
3241 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
3242 (flow_loops_free): Do not free dfs_order and rc_order.
3243 (flow_loops_find): Do not set dfs_order and rc_order in loops
3244 structure. Do not call loops and flow info verification.
3245 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
3246 already belongs to some loop.
3247 * cfgloop.h (struct loops): Remove struct cfg.
3248 (current_loops, loop_split_edge_with): Declaration removed.
3249 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
3250 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
3251 Declaration removed.
3252 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
3253 * basic-block.h (split_edge_and_insert): Declare.
3254 * tree-cfg.c (remove_bb): Do not update loops explicitly.
3256 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3258 PR tree-optimization/29801
3259 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
3260 (get_default_value): Use get_symbol_constant_value.
3261 (set_lattice_value): ICE when the value of the constant is
3263 (visit_assignment): Ignore VDEFs of read-only variables.
3265 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3267 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
3269 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3270 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
3272 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
3274 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
3275 select subvars of var.
3277 2006-11-17 Jakub Jelinek <jakub@redhat.com>
3280 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
3281 optimize if DEF doesn't have integral type.
3283 2006-11-16 Mike Stump <mrs@apple.com>
3285 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
3286 pre-darwin9 system, unless the user asks for it directly.
3287 (PREFERRED_DEBUGGING_TYPE): Likewise.
3288 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
3289 * config.gcc: Add suppport for darwin9.h.
3290 * config/darwin9.h: Add.
3291 * doc/install.texi (Specific): Clarify darwin documentation.
3293 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3295 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
3296 optimizing for size.
3298 2006-11-16 Mike Stump <mrs@apple.com>
3300 * Makefile.in (targhooks.o): Add $(OPTABS_H).
3302 2006-11-16 Dirk Mueller <dmueller@suse.de>
3304 * tree-vrp.c (get_value_range): Use XCNEW instead
3306 (insert_range_assertions): Use XCNEWVEC instead
3307 of XNEWVEC and memset.
3308 (vrp_initialize): Same.
3309 (vrp_finalize): Same.
3310 * tree-ssa-ccp.c (ccp_initialize): Same.
3311 * predict.c (tree_bb_level_predictions): Same.
3312 * calls.c (expand_call): Same.
3313 * tree-ssa-copy.c (init_copy_prop): Same.
3314 (fini_copy_prop): Same.
3315 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
3316 of GGC_NEW and memset.
3318 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
3321 * gimplify.c (gimplify_expr): Only force a load for references to
3322 non-BLKmode volatile values.
3323 * doc/implement-c.texi (Qualifiers implementation): Document the
3324 interpretation of what a volatile access is.
3325 * doc/extend.texi (C++ Extensions): Rework same documentation.
3327 2006-11-16 Joseph Myers <joseph@codesourcery.com>
3329 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
3332 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
3334 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
3336 (arm_neg_abssi2): Renamed from neg_abssi2.
3337 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
3339 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
3341 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
3342 number of arguments passed to local functions in SSE registers is 3.
3344 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
3345 number of arguments passed in SSE registers to 3.
3347 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3350 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
3352 (get_last_bb_insn): ... new global function.
3353 (basic_block.h): Declare it.
3354 * haifa-sched.c (create_recovery_block): Use it.
3356 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
3359 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
3361 2006-11-15 Paul Brook <paul@codesourcery.com>
3363 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
3364 _Unwind_GetTextRelBase): Move from here ...
3365 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
3366 _Unwind_GetTextRelBase): ... To here.
3368 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3370 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
3371 addresses we generate for testing are aligned.
3373 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
3376 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
3377 to what is the const decl is a place holder for.
3379 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
3381 * config/i386/i386.opt: New target option -mx87regparm.
3383 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
3384 and float_in_x87 variables. mmx_words, sse_words: Remove.
3385 (X87_REGPARM_MAX): Define.
3387 * config/i386/i386.c (override_options): Error out for
3388 -mx87regparm but no 80387 support.
3389 (ix86_attribute_table): Add x87regparm.
3390 (ix86_handle_cconv_attribute): Update comments for x87regparm.
3391 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
3392 (ix86_function_x87regparm): New function.
3393 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
3395 (init_cumulative_args): Initialize x87_nregs and float_in_x87
3397 (function_arg_advance): Process x87_nregs and x87_regno when
3398 floating point argument is to be passed in 80387 register.
3399 (function_arg): Pass XFmode arguments in 80387 registers for local
3400 functions. Pass SFmode and DFmode arguments to local functions
3401 in 80387 registers when flag_unsafe_math_optimizations is set.
3403 * reg-stack.c (convert_regs_entry): Disable NaN load for
3404 stack registers that are used for argument passing.
3406 * doc/extend.texi: Document x87regparm function attribute.
3407 * doc/invoke.texi: Document -mx87regparm.
3409 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3411 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
3412 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
3413 arg MODE; all callers changed. Use it to determine validity per
3414 machine mode instead of using Pmode for all memory references.
3415 (get_address_cost): Likewise add and use new arg MEM_MODE.
3417 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
3418 J"orn Rennecke <joern.rennecke@st.com>
3420 * combine.c (likely_spilled_retval_1): Fix masking operation.
3421 (likely_spilled_retval_p): Use proper pattern for call to
3422 likely_spilled_retval_1.
3424 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
3426 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
3428 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
3429 that tests for CONSTANT_POOL_ADDRESS_P.
3431 2006-11-15 Jakub Jelinek <jakub@redhat.com>
3433 PR tree-optimization/29581
3434 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
3435 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
3436 type is different between Y and USE, create a temporary
3437 variable, initialize it at the beginning of the body bb
3438 and use it as replacement instead of Y.
3440 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
3443 * gimplify.c (fold_indirect_ref_rhs): Use
3444 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
3446 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
3448 * expmed.c (emit_store_flag_1): New function.
3449 (emit_store_flag): Call it. If we can't find a suitable scc insn,
3451 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
3452 Use do_compare_rtx_and_jump.
3453 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
3454 * arm.md (cstoresi4): New define_expand.
3455 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
3456 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
3457 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
3459 2006-11-14 Caroline Tice <ctice@apple.com>
3461 * dwarf2out.c (debug_pubtypes_section): New static global variable.
3462 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
3464 (pubname_table): Redefine as a vector.
3465 (pubtype_table): New static global variable, defined as a vector.
3466 (pubname_table_allocated): Remove static global variable.
3467 (pubname_table_in_use): Remove static global variable.
3468 (PUBNAME_TABLE_INCREMENT): Remove constant.
3469 (size_of_pubnames): Add parameter to deal with either pubnames or
3470 pubtypes, and change code to deal with table being a vector.
3471 (add_pubname): Change to deal with table being a vector.
3472 (add_pubtype): New function.
3473 (output_pubnames): Add parameter to deal with either pubnames or
3474 pubtypes, and change code to deal with table being a vector.
3475 (gen_array_type_die): Add call to add_pubtype.
3476 (gen_enumeration_type_die): Add call to add_pubtype.
3477 (gen_struct_or_union_type_die): Add call to add_pubtype.
3478 (gen_subroutine_type_die): Add call to add_pubtype.
3479 (gen_typedef_die): Add call to add_pubtype.
3480 (dwarf2out_init): Add code to initialize pubname_table and
3481 pubtype_table vectors; also initialize debug_pubtypes_section.
3482 (prune_unused_types): Change to deal with pubnames being a vector.
3483 (dwarf2out_finish): Change to deal with pubnames being a vector; add
3484 pubnames table to call to output_pubnames; Add code to output pubtypes
3485 table if DEBUG_PUBTYPES_SECTION is defined.
3486 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
3488 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
3490 2006-11-14 Joseph Myers <joseph@codesourcery.com>
3492 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
3493 iwmmxt_nregs if TARGET_IWMMXT_ABI.
3494 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
3495 movv2si_internal): Support moves between core registers.
3497 2006-11-14 Eric Christopher <echristo@apple.com>
3499 * configure: Regenerate with autoconf 2.59.
3501 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
3503 Fix PR tree-optimization/27755
3505 * tree-ssa-pre.c: Update comments.
3506 (bb_bitmap_sets): Add pa_in and deferred member.
3507 (BB_DEFERRED): New macro.
3508 (maximal_set): New variable.
3509 (pre_stats): Add pa_insert member.
3510 (bitmap_set_and): Short circuit orig == dest.
3511 (bitmap_set_subtract_values): New function.
3512 (bitmap_set_contains_expr): Ditto.
3513 (translate_vuses_through_block): Add phiblock argument.
3514 (dependent_clean): New function.
3515 (compute_antic_aux): Update for maximal_set changes.
3516 (compute_partial_antic_aux): New function.
3517 (compute_antic): Handle partial anticipation.
3518 (do_partial_partial_insertion): New function.
3519 (insert_aux): Handle partial anticipation.
3520 (add_to_sets): Add to maximal set.
3521 (compute_avail): Ditto.
3522 (init_pre): Initialize maximal_set.
3523 (execute_pre): Do partial anticipation if -O3+.
3525 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
3527 PR rtl-optimization/29798
3529 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
3530 TARGET_INSN before any other check.
3531 (fwprop_init): Always calculate dominators.
3532 (fwprop_done): Always free them.
3534 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3536 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
3539 2006-11-13 DJ Delorie <dj@redhat.com>
3541 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
3542 temporary for intermediates.
3544 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
3546 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
3547 (sh_optimize_target_register_callee_saved): #if 0 the code
3548 using NOTE_INSN_LOOP_{BEG,END}.
3550 2006-11-13 Roger Sayle <roger@eyesopen.com>
3552 * fold-const.c (optimize_bit_field_compare): Recursively call
3553 fold when simplifying non-constant comparisons between bit-fields.
3555 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3557 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
3559 * configure: Rebuilt.
3561 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
3563 * config/rs6000/cell.md: New file.
3564 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
3566 (ppccell_cost): New cost matrix.
3567 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
3568 (rs6000_override_options): Set rs6000_always_hint to false
3569 for cell. Also align functions/lables/loops to 8byte
3570 for the Cell. Use PROCESSOR_CELL.
3571 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
3572 using_mtcr_multiple.
3573 (rs6000_variable_issue): If the insn is a nonpipelined instruction
3574 on the Cell, return 0.
3575 (rs6000_adjust_cost): Add Cell cost adjustments.
3576 (is_microcoded_insn): Return true for Cell microcoded
3578 (is_nonpipeline_insn): New function.
3579 (rs6000_issue_rate): Add PROCESSOR_CELL.
3580 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
3582 (rs6000_use_sched_lookahead_guard): New function.
3583 (rs6000_sched_reorder): Reorder the ready list, if the second
3584 to last ready insn is a nonepipeline insn on the Cell.
3585 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
3586 (ASM_CPU_SPEC): Add Cell.
3587 * config/rs6000/rs6000.md (cpu): Add Cell.
3588 (cell_micro): New Attr.
3591 2006-11-13 Jakub Jelinek <jakub@redhat.com>
3593 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
3595 * configure: Rebuilt.
3597 2006-11-13 Richard Guenther <rguenther@suse.de>
3599 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
3601 (ix86_expand_lfloorceil): Likewise.
3602 (ix86_expand_rint): Likewise.
3603 (ix86_expand_floorceildf_32): Likewise.
3604 (ix86_expand_floorceil): Likewise.
3605 (ix86_expand_rounddf_32): Likewise.
3606 (ix86_expand_truncdf_32): Likewise.
3607 (ix86_expand_round): Likewise.
3609 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
3610 Mark Mitchell <mark@codesourcery.com>
3612 * gcc.c: Organize search path variables into $prefix relative,
3613 and well-known native. Add comments.
3614 (add_sysrooted_prefix): Add comment.
3615 (process_command): If !gcc_exec_prefix add $prefix based paths.
3616 If *cross_compile == '0', add native well-known paths.
3617 Assert tooldir_base_prefix is always relative.
3618 (main): If print_search_dirs, and if gcc_exec_prefix is set,
3619 use this value for 'install:' path.
3620 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
3622 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3624 * config/i386/i386.c: Fix a typo in comment.
3626 2006-11-13 Michael Matz <matz@suse.de>
3628 * genemit.c (gen_expand): Allocate enough memory.
3630 2006-11-13 Joseph Myers <joseph@codesourcery.com>
3632 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
3633 __GXX_TYPEINFO_EQUALITY_INLINE but not
3634 __GXX_MERGED_TYPEINFO_NAMES.
3635 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
3636 __GXX_MERGED_TYPEINFO_NAMES.
3637 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
3638 __GXX_TYPEINFO_EQUALITY_INLINE.
3640 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
3641 Zdenek Dvorak <dvorakz@suse.cz>
3643 PR tree-optimization/29680
3644 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
3647 2006-11-12 Jason Merrill <jason@redhat.com>
3648 Andrew Pinski <pinskia@physics.uc.edu>
3651 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
3653 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
3655 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
3656 * tree.c (build_vector): Handle non-_CST elements.
3658 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
3660 * genemit.c (gen_insn): Call gen_exp with a non-null used
3661 when handling multiple insns.
3662 (gen_expand): Likewise.
3663 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
3664 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
3665 (movsi_const_16bit+1): Copy operands[1].
3666 (call_pcrel): Copy the call_site pattern.
3667 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
3669 2006-11-12 Roger Sayle <roger@eyesopen.com>
3671 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
3672 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
3673 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
3674 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
3676 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
3678 Fix PR tree-optimization/29587
3679 * tree-ssa-structalias.c (process_constraint): Don't
3680 mark address taken due only to escaped vars constraint.
3682 2006-11-12 Michael Matz <matz@suse.de>
3683 Roger Sayle <roger@eyesopen.com>
3685 PR rtl-optimization/29797
3686 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
3687 BITS_BIG_ENDIAN targets.
3689 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3691 * builtins.c (fold_builtin_cosh): New.
3692 (fold_builtin_1): Use it.
3693 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
3694 trunc to the list of "odd" functions. Also add llrint, lrint,
3695 rint and nearbyint when flag_rounding_math is false.
3697 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3699 * tree-flow.h (name_mappings_registered_p): Declare.
3700 * tree-into-ssa.c (name_mappings_registered_p): New function.
3701 * tree-cfg.c (tree_can_merge_blocks_p): Check
3702 name_mappings_registered_p instead of need_ssa_update_p.
3704 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3706 * tree-ssa-loop.c (tree_vectorize): Return the result of
3708 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
3709 if anything changed.
3710 * tree-vectorizer.h (vectorize_loops): Declaration removed.
3711 * tree-flow.h (vectorize_loops): Declaration changed.
3713 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3715 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
3717 (issue_prefetch_ref): Move assignment to write_p out of loop.
3718 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
3719 SIMULTANEOUS_PREFETCHES into account.
3720 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
3721 * lambda-code.c (lcm): Renamed to ...
3722 (least_common_multiple): ... and exported.
3723 * tree-flow.h (least_common_multiple): Declare.
3725 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3727 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
3728 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
3729 ud-chains. Handle AND_EXPR.
3730 (record_estimate): Record whether the estimate is realistic
3731 and whether it is derived from a loop exit.
3732 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
3733 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
3735 (compute_estimated_nb_iterations): Take only realistic bounds into
3736 account. Set estimate_state. Use double_ints.
3737 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
3738 and infer_loop_bounds_from_signedness. Do not consider basic blocks
3739 that do not have to be always executed.
3740 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
3741 to determine whether to call infer_loop_bounds_from_undefined
3742 and compute_estimated_nb_iterations.
3743 (n_of_executions_at_most): Use double_ints.
3744 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
3745 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
3746 * double-int.c (double_int_to_tree): Improve comment.
3747 (double_int_fits_to_tree_p): New function.
3748 * double-int.h (double_int_fits_to_tree_p): Declare.
3749 * tree-data-ref.c: Include langhooks.h.
3750 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
3751 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
3752 (analyze_array): Do not pass estimate_only argument to
3753 analyze_array_indexes.
3754 (get_number_of_iters_for_loop): Build tree from the stored double_int
3756 (get_references_in_stmt, find_data_references_in_stmt): New functions.
3757 (find_data_references_in_loop): Use find_data_references_in_stmt.
3758 * tree-data-ref.h (struct data_ref_loc_d): New.
3759 (get_references_in_stmt): Declare.
3760 (estimate_iters_using_array): Declaration removed.
3761 * cfgloop.h (struct nb_iter_bound): Change type of bound to
3762 double_int. Improve comments. Add is_exit and realistic
3764 (struct loop): Changed type of estimated_nb_iterations to double_int.
3765 Added estimate_state field.
3766 (record_estimate): Declaration removed.
3768 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3770 * params.c (set_param_value): Initialize the "set" field.
3771 * params.h (struct param_info): Add "set" field.
3772 (PARAM_SET_P): New macro.
3773 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
3774 L1_CACHE_LINE_SIZE): New macros.
3775 * toplev.c (DEFPARAM): Initialize the "set" field.
3776 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
3777 SIMULTANEOUS_PREFETCHES): Removed.
3778 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
3779 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
3780 * config/sparc/sparc.c: Include params.h.
3781 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
3782 L1_CACHE_LINE_SIZE parameters.
3783 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3785 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
3787 * config/i386/i386.c: Include params.h.
3788 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
3789 (override_options): Set SIMULTANEOUS_PREFETCHES and
3790 L1_CACHE_LINE_SIZE parameters.
3791 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
3792 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
3793 L1_CACHE_LINE_SIZE parameters.
3794 * config/ia64/ia64.c (ia64_optimization_options): Set
3795 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
3796 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
3798 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
3799 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
3800 * doc/invoke.texi: Document new params.
3802 2006-11-12 Roger Sayle <roger@eyesopen.com>
3804 PR tree-optimization/13827
3805 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
3808 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
3810 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
3811 update_single_exit_for_duplicated_loops): New functions.
3812 (duplicate_loop_to_header_edge): Use
3813 update_single_exit_for_duplicated_loops.
3814 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
3815 functions only with ENABLE_CHECKING.
3817 2006-11-12 Andreas Schwab <schwab@suse.de>
3819 * except.c (sjlj_emit_function_enter): Remove unused variable.
3821 2006-11-11 Roger Sayle <roger@eyesopen.com>
3823 * fold-const.c (int_binop_types_match_p): New function.
3824 (size_binop): Relax constraint that both arguments must both have
3825 exactly the same sizetype type. Instead use int_binop_types_match_p.
3826 (size_diffop): Likewise.
3828 (make_range): Use build_int_cst instead of fold_convert.
3829 (fold_cond_expr_with_comparison): Use build_int_cst to construct
3830 integer constants of the correct type.
3831 (fold_div_compare): Likewise.
3832 (fold_single_bit_test): Likewise.
3833 (fold_binary): Likewise.
3834 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
3835 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
3837 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
3840 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
3841 non null value if the struct memory access is in the 0th
3844 2006-11-12 Jie Zhang <jie.zhang@analog.com>
3847 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3848 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3851 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
3852 instead of builtin_define for bfin and BFIN.
3854 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3856 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
3859 2006-11-11 Jan Hubicka <jh@suse.cz>
3861 * extend.texi (__builtin_expect): We no longer require second argument
3863 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
3864 * builtins.c (expand_builtin_expect): Simplify.
3865 (expand_builtin_expect_jump): Kill.
3866 * final.c (final_scan_insn): Do not skip the removed notes.
3867 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
3868 EXPECTED_VALUE): Remove.
3869 * dojump.c (do_jump): Do not care about __builtin_expect.
3870 * predict.c (expected_value_to_br_prob): Kill.
3871 * function.c (expand_function_end): Do not expand
3872 NOTE_INSN_REPEATED_LINE_NUMBER.
3873 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
3874 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
3875 * cfgexpand.c (add_reg_br_prob_note): Export.
3876 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3877 expected_value_to_br_prob.
3878 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
3879 * rtl.h (add_reg_br_prob_note): Declare.
3881 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3883 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
3885 2006-11-11 Jan Hubicka <jh@suse.cz>
3887 * predict.c (predict_loops): Kill RTL variant.
3889 2006-11-11 Jan Hubicka <jh@suse.cz>
3891 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
3892 * modulo-sched.c (find_line_note): Remove.
3893 (loop_canon_p): Do not worry about line number notes.
3894 (sms_schedule): Likewise.
3895 * cse.c (cse_main): Likewise.
3896 * regmove.c (fixup_match_1): Likewise
3897 * function.c (emit_return_info_block): Likewise.
3898 (expand_function_end): Likewise.
3899 (thread_prologue_an_epilogue_insns): Likewise.
3900 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
3902 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
3903 emit_note_copy_after): Kill.
3904 (emit_note_copy): Do not worry about line numbers.
3905 * jump.c (purge_line_number_notes): Kill.
3906 (pass_purge_lineno_notes): Kill.
3907 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
3909 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
3910 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
3911 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
3912 * tree-pass.h (pass_purge_lineno_notes): Kill.
3913 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
3914 rm_redundant_line_notes.
3915 * sched-rgb.c (schedule_region): Don't rm_line_notes,
3916 rm_redundant_line_notes.
3917 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
3918 * haifa-sched.c: Update comment about handling notes.
3919 (unlink_line_notes): Kill.
3920 (rm_line_notes): Kill.
3921 (save_line_notes): Simplify.
3922 (rm_redundant_line_notes): Kill.
3924 2006-11-11 Richard Guenther <rguenther@suse.de>
3926 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
3927 Remove unused tree codes.
3928 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
3929 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
3930 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
3931 * tree.c (stabilize_reference): Likewise.
3932 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
3933 fold_unary): Likewise.
3934 * tree-gimple.c (is_gimple_cast): Likewise.
3935 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
3936 * expr.c (expand_expr_real_1): Likewise.
3937 * tree-eh.c (tree_could_trap_p): Likewise.
3938 * gimplify.c (gimplify_expr): Likewise.
3939 * tree-inline.c (estimate_num_insns_1): Likewise.
3940 * tree-cfg.c (verify_expr): Likewise.
3942 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
3944 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
3945 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
3946 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
3948 2006-11-11 Richard Sandiford <richard@codesourcery.com>
3951 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
3952 constraints accept neither registers or memories.
3954 2006-11-11 Jie Zhang <jie.zhang@analog.com>
3956 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
3957 (NO_PROFILE_COUNTERS): Define as 1.
3959 2006-11-10 Roger Sayle <roger@eyesopen.com>
3961 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
3962 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
3964 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
3966 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
3968 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3970 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
3971 (fold_builtin_hypot): Likewise.
3972 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
3974 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
3976 2006-11-10 Roger Sayle <roger@eyesopen.com>
3978 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
3979 when attempting to build INTEGER_CSTs of non-integral types.
3980 * expmed.c (make_tree): Use the correct type, i.e. the inner
3981 type, when constructing the individual elements of a CONST_VECTOR.
3983 2006-11-10 Jan Hubicka <jh@suse.cz>
3985 * cse.c (cse_process_notes): Copy the propagated value.
3986 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
3988 * gcse.c (try_replace_reg): Copy the replacement.
3989 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
3990 (assign_386_stack_local): Always return copied memory expression
3991 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
3994 2006-11-10 Jan Hubicka <jh@suse.cz>
3996 * final.c (final): Walk from first instruction.
3997 * cfglayout.c (insn_locators_initialize): Remove line number notes.
3999 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
4002 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
4004 (umulv8hi3_highpart): Ditto.
4005 (vec_widen_smult_hi_v8hi): New expander.
4006 (vec_widen_smult_lo_v8hi): Ditto.
4008 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4011 * builtins.c (do_mpfr_arg3): New.
4012 (fold_builtin_1): Handle builtins fma, fmin and fmax.
4014 2006-11-09 Eric Christopher <echristo@apple.com>
4019 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
4020 * config.gcc (powerpc64-*-darwin*): New target.
4021 * config.host: Ditto.
4022 * config/rs6000/darwin64.h: New file.
4023 * config/rs6000/x-darwin64: Ditto.
4024 * config/rs6000/host-ppc64-darwin.c: Ditto.
4026 2006-11-09 Steve Ellcey <sje@cup.hp.com>
4028 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
4029 routines for integer division.
4031 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
4033 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
4035 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4038 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
4040 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
4042 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
4043 simplify_subreg with BLKmode outer mode.
4045 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
4047 * doc/invoke.texi: Minor formatting fixes in option lists.
4049 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
4051 PR tree-optimization/29738
4052 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
4053 (ccp_lattice_t): Remove UNKNOWN_VAL.
4054 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
4055 Do not handle UNKNOWN_VAL.
4056 (get_default_value): Set initial value of virtual operands to
4058 (get_value): Always use get_default_value on uninitialized
4060 (set_value_varying, surely_varying_stmt_p): New functions.
4061 (set_lattice_value): Do not pass argument to get_value.
4062 Do not handle UNKNOWN_VAL.
4063 (likely_value): Follow the semantics described in the comment.
4064 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
4065 phi nodes DONT_SIMULATE_AGAIN.
4066 (ccp_fold): Do not pass argument to get_value.
4067 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
4070 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4072 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4073 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
4075 2006-11-08 Roger Sayle <roger@eyesopen.com>
4077 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
4078 test for inclusion rather than as a test for exclusion.
4079 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
4080 the condition after calling fold_binary.
4081 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
4082 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
4083 * builtins.c (fold_builtin_isascii): Likewise.
4084 (fold_builtin_isdigit): Likewise.
4086 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
4088 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
4089 * configure: Regenerate.
4091 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4093 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
4094 enum argument instead of bool.
4095 (vect_analyze_operations): Call vectorizable_type_promotion.
4096 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
4097 stmt_vec_info_type value.
4098 (supportable_widening_operation, vectorizable_type_promotion): New
4099 function declarations.
4100 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
4101 (vectorizable_type_promotion): New function.
4102 (vect_transform_stmt): Call vectorizable_type_promotion.
4103 * tree-vect-analyze.c (supportable_widening_operation): New function.
4104 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
4106 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4109 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
4110 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
4111 * tree-inline.c (estimate_num_insns_1): Add cases for above new
4113 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4114 * expr.c (expand_expr_real_1): Likewise.
4115 * optabs.c (optab_for_tree_code): Likewise.
4116 (init_optabs): Initialize new optabs.
4117 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
4118 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
4119 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
4120 vec_unpacku_lo_optab): Initialize new optabs.
4121 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
4122 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
4123 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
4125 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
4126 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
4127 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
4128 (vec_unpacku_lo_optab): New optabs.
4129 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
4130 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
4131 (vec_widen_smult_hi, vec_widen_smult_lo): New.
4132 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
4133 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
4134 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
4136 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
4137 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
4138 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
4139 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
4140 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
4141 implement the unsigned unpacking patterns.
4142 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
4143 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
4144 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
4145 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
4146 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
4147 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
4148 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
4149 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
4150 multiplication patterns.
4152 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
4153 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
4154 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4155 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
4156 (rs6000_builtin_mul_widen_odd): New.
4157 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
4158 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
4159 * tree-vectorizer.h (enum vect_relevant): New enum type.
4160 (_stmt_vec_info): Field relevant chaned from bool to enum
4162 (STMT_VINFO_RELEVANT_P): Updated.
4163 (STMT_VINFO_RELEVANT): New.
4164 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
4165 instead of STMT_VINFO_RELEVANT_P.
4166 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
4167 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
4168 and boolean variable with enum vect_relevant.
4169 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
4170 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
4171 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
4173 2006-11-08 Richard Henderson <rth@redhat.com>
4175 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
4176 vec_widen_umult_lo_v8hi): New.
4177 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
4178 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
4180 * config/i386/i386.c (ix86_expand_sse_unpack): New.
4181 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
4182 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
4183 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
4184 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
4185 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
4186 vec_unpacks_lo_v4si): New.
4188 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4190 * tree-vect-transform.c (vectorizable_type_demotion): New function.
4191 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
4192 (vect_analyze_operations): Call vectorizable_type_demotion.
4193 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
4194 stmt_vec_info_type value.
4195 (vectorizable_type_demotion): New function declaration.
4196 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
4199 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
4200 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
4202 * tree-iniline.c (estimate_num_insns_1): Likewise.
4203 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
4204 * optabs.c (optab_for_tree_code): Likewise.
4206 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
4207 compared against the predicate of the result is not 'mode' (the input
4208 to the function) but a mode with half the size of 'mode'.
4209 (init_optab): Initialize new optabs.
4210 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
4212 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
4214 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
4215 (vec_pack_usat_optab): Initialize new optabs.
4216 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
4217 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
4219 2006-11-08 Richard Henderson <rth@redehat.com>
4221 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
4222 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
4223 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
4224 (vec_interleave_highv4si, vec_interleave_lowv4si):
4225 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
4227 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4229 * tree-vect-transform.c (vectorizable_reduction): Support multiple
4231 (vect_transform_stmt): Removed redundant code.
4233 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4235 * tree-vect-transform.c (vectorizable_operation): Support multiple
4238 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
4240 * tree-vect-transform.c (vect_align_data_ref): Removed.
4241 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
4242 Updated function documentation. Return the increment stmt in ptr_incr.
4243 (bump_vector_ptr): New function.
4244 (vect_get_vec_def_for_stmt_copy): New function.
4245 (vect_finish_stmt_generation): Create a stmt_info to newly created
4247 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
4249 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
4250 VF is greater than the number of elements that can fit in one vector
4252 (vectorizable_operation, vectorizable_condition): Likewise.
4253 (vectorizable_store, vectorizable_load): Support the case that the VF
4254 is greater than the number of elements that can fit in one vector word.
4255 (vect_transform_loop): Don't fail in case of multiple data-types.
4256 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
4257 in case of multiple data-types; the smallest type determines the VF.
4258 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
4259 if they are of different sizes.
4260 (vect_update_misalignment_for_peel): Compare misalignments in terms of
4261 number of elements rather than number of bytes.
4262 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
4263 (vect_can_advance_ivs_p): Fix a dump printout
4265 2006-11-07 Eric Christopher <echristo@apple.com>
4267 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
4268 (__bswapsi2): Ditto.
4269 * libgcc2.h: Remove transformation of bswap routines.
4270 * config/i386/i386.md (bswapsi2): New.
4273 2006-11-07 Jakub Jelinek <jakub@redhat.com>
4275 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
4276 (handle_gnu_inline_attribute): New function.
4277 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
4278 (merge_decls, start_decl, start_function): Likewise.
4279 * doc/extend.texi: Document gnu_inline attribute.
4281 2006-11-07 Steve Ellcey <sje@cup.hp.com>
4284 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
4285 _fixunstfdi, and _floatditf
4287 2006-11-06 Anatoly Sokolov <aesok@post.ru>
4289 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
4291 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
4292 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
4293 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
4294 which start in an odd register.
4296 2006-11-07 Richard Sandiford <richard@codesourcery.com>
4298 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
4300 2006-11-07 Josh Conner <jconner@apple.com>
4302 * doc/invoke.texi (fstrict-aliasing): Move implementation
4304 * doc/tree-ssa.texi (Alias analysis): ...here.
4306 2006-11-07 Richard Guenther <rguenther@suse.de>
4308 PR tree-optimization/29610
4309 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
4310 of tree_purge_dead_eh_edges as it may free dominators.
4312 * g++.dg/other/pr29610.C: New testcase.
4314 2006-11-07 David Ung <davidu@mips.com>
4316 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
4317 costs when optimizing for size.
4318 (override_options): Use mips_rtx_cost_optimize_size table for cost
4321 2006-11-07 Jie Zhang <jie.zhang@analog.com>
4323 * gcc.c (process_command): Treat -b as normal switch if its argument
4326 2006-11-07 David Ung <davidu@mips.com>
4328 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
4331 2006-11-06 Eric Christopher <echristo@apple.com>
4333 * config.gcc: Add x86_64-darwin host support.
4334 * config.host: Ditto.
4335 * config/i386/darwin64.h: New file.
4336 * config/i386/t-darwin64: Ditto.
4338 2006-11-06 Janis Johnson <janis187@us.ibm.com>
4340 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
4341 and output-exists-not.
4343 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4346 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
4347 checking for overflow.
4349 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
4351 * configure.ac: Fixed typo in case statement: :: changed to ;;
4353 2006-11-06 Bob Wilson <bob.wilson@acm.org>
4355 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
4356 count_leading_zeros, and count_trailing_zeros.
4357 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
4358 (TARGET_FOLD_BUILTIN): Define.
4359 (TARGET_EXPAND_BUILTIN): Define.
4360 (xtensa_init_builtins): New.
4361 (xtensa_fold_builtin): New.
4362 (xtensa_expand_builtin): New.
4363 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
4364 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
4365 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4366 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
4367 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
4368 (any_extend): New code macro.
4369 (u, su): New code attributes.
4370 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
4371 (nsau): Remove; replaced by clzsi2.
4372 (ffssi2): Use clzsi2.
4373 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
4374 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
4375 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
4376 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
4377 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
4379 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
4381 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
4383 * config/arm/t-strongarm-elf: Likewise.
4384 * config/arm/t-pe: Likewise.
4385 * config/arm/t-arm-elf: Likewise.
4386 * config/arm/t-xscale-elf: Likewise.
4387 * config/arm/t-arm-coff: Likewise.
4388 * config/arm/t-xscale-coff: Likewise.
4389 * config/arm/t-wince-pe: Likewise.
4391 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
4393 * config/sh/lib1funcs-4-300.asm: Guard entire file with
4396 2006-11-05 Jakub Jelinek <jakub@redhat.com>
4399 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
4402 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4405 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
4406 as a valid 80387 constant.
4407 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
4408 * config/i386/i386.md (unnamed splitter): Split the load of
4409 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
4412 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
4414 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
4415 from the soft-frame, argument and virtual registers.
4417 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
4419 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
4420 patterns for standard 80387 constants.
4422 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
4423 Steven Bosscher <steven@gcc.gnu.org>
4425 * fwprop.c: New file.
4426 * Makefile.in: Add fwprop.o.
4427 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
4428 * passes.c (init_optimization_passes): Schedule forward propagation.
4429 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
4431 * timevar.def (TV_FWPROP): New.
4432 * common.opt (-fforward-propagate): New.
4433 * opts.c (decode_options): Enable forward propagation at -O2.
4434 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
4435 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
4436 canon_for_address, table_size): Remove.
4437 (new_basic_block, insert, remove_from_table): Remove references to
4439 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
4440 simplification loop more straightforward by not calling fold_rtx
4442 (equiv_constant): Move here a small part of fold_rtx_subreg,
4443 do not call fold_rtx. Call avoid_constant_pool_reference
4445 * recog.h (canonicalize_change_group): New.
4447 * doc/invoke.texi (Optimization Options): Document fwprop.
4448 * doc/passes.texi (RTL passes): Document fwprop.
4450 2006-11-03 Geoffrey Keating <geoffk@apple.com>
4452 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
4453 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
4454 (grokdeclarator): Likewise.
4456 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
4458 * tree-dump.c (dump_enable_all): Rename local variable
4459 ir_type to avoid name conflicts.
4460 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
4461 instead of using ir_type().
4462 * profile.c (tree_register_profile_hooks): Likewise.
4463 * value-prof.c (tree_register_value_prof_hooks): Likewise.
4464 * basic-block.h (struct edge_def): Likewise.
4465 * config/arm/arm.c (legitimize_pic_address): Likewise.
4466 * coretypes.h (ir_type): New enum of all intermediate languages
4468 * cfghooks.c (ir_type): Rename to...
4469 (current_ir_type): ...this. Distinguish between cfgrtl and
4470 cfglayout mode when the current IR is RTL. Return enum ir_type.
4471 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
4473 2006-11-03 Paul Brook <paul@codesourcery.com>
4475 * config/arm/arm.c (arm_file_start): New function.
4476 (TARGET_ASM_FILE_START): Define.
4477 (arm_default_cpu): New variable.
4478 (arm_override_options): Set arm_default_cpu.
4480 2006-11-03 David Ung <davidu@mips.com>
4482 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
4483 PROCESSOR_24KC and PROCESSOR_24KF.
4484 * config/mips/mips.c (mips_cpu_info_table): Add processor names
4485 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
4486 (mips_rtx_cost_data): Add costs for the 24kc.
4487 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
4488 * config/mips/24k.md: Remove references to 24k and replace with
4489 uses of 24kc/24kf in the appropriate reservations.
4490 * doc/invoke.texi (MIPS Options): Updated.
4492 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4494 * config/sh/crt1.asm: Fix #ifdef indent.
4496 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
4497 Merged from STMicroelectronics sources:
4498 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
4499 * config/sh/crt1.asm (vbr_600): Add missing #if.
4500 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
4501 * sh.opt (mfused-madd): New option.
4502 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
4503 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4504 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
4505 Remove pointless handler at VBR+0.
4506 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
4507 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
4508 fr7. Make sure the timer handler is called with the correct FPU
4509 precision setting, according to the ABI.
4510 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
4511 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
4512 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
4513 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
4514 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
4515 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
4516 zero as second operand.
4517 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
4518 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4519 Fixed some bugs related to negative values, in particular -0
4520 and overflow at -0x80000000.
4521 * config/sh/divcost-analysis: Added sh4-300 figures.
4522 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
4523 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
4524 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
4525 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
4526 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
4527 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
4529 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
4531 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
4532 SH4-300 scheduling description & fixes to SH4-[12]00 description:
4533 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
4534 mac_mem, mem_mac, dfp_mul, fp_cmp.
4535 (insn_class, dfp_comp, any_fp_comp): Update.
4536 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
4537 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
4538 (muldf3_i): Likewise.
4539 (movsi_i): Split rI08 alternative into two separate alternatives.
4541 (movsi_ie, movsi_i_lowpart): Likewise.
4542 (movqi_i): Split ri alternative into two separate alternatives.
4544 * sh1.md (sh1_load_store, sh1_fp): Update.
4545 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
4546 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
4547 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
4548 (sh4a_fp_double_arith): Likewise.
4549 * sh4-300.md: New file.
4550 * sh.c (sh_handle_option): Handle m4-300* options.
4551 (sh_adjust_cost): Fix latency of auto-increments.
4552 Handle SH4-300 differently than other SH4s. Check for new insn types.
4553 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
4554 been set by an option.
4555 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
4556 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
4557 (mbranch-cost=): Likewise.
4558 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
4560 * sh.md (mulsf3): Remove special expansion code.
4561 (mulsf3_ie): Now a define_insn_and_split.
4562 (macsf3): Allow for TARGET_SH4.
4564 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
4565 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
4566 (expand_cbranchdi4): Likewise.
4567 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
4568 CONST_DOUBLE if the outer code is COMPARE.
4569 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
4570 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
4571 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
4572 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
4573 Remove redundant fp_{zero,one}_operand checks.
4574 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
4575 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
4576 (expand_cbranchdi4): Likewise.
4577 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
4578 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
4580 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
4582 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
4585 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
4587 * doc/invoke.texi: Fix mfp-trap-mode typo.
4589 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
4591 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
4592 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
4593 file_end_indicate_exec_stack.
4594 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
4596 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
4597 for a non-executable stack.
4598 * crti.asm: Likewise.
4599 * crtn.asm: Likewise.
4600 * libunwind.S: Likewise.
4602 2006-11-02 Ben Elliston <bje@au.ibm.com>
4604 * tree-ssa.c (warn_uninit): Use expand_location variables for
4605 locus and declaration locus.
4607 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
4610 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
4611 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
4612 cmp{eq,gt,gtu}{si,di}_media.
4613 (*cmpne0si_media): Remove.
4614 (*movsicc_umin): Adjust gen_cmp*_media call.
4615 (unordered): Change the mode of unordered and operands[1] to
4617 (seq): Adjust gen_cmp*_media calls. Make the mode of
4618 a temporary result of compare SImode if needed. If the mode
4619 of operands[0] is DImode, extend the temporary result to DImode.
4620 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
4621 (sunorderd): Change the mode of match_operand and unorderd to
4623 (cmpeq{sf,df}_media): Remove.
4624 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
4625 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
4626 and compare operation to SImode.
4628 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
4630 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
4632 (sparc64-sun-solaris2*): Likewise.
4634 2006-11-02 Paul Brook <paul@codesourcery.com>
4636 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
4637 from priority argument. Use different section for non-default
4639 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
4641 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4644 * except.c (switch_to_exception_section): Do not cache the section
4645 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
4646 and flag_function_sections is set.
4648 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4651 * builtins.c (do_mpfr_sincos): New.
4652 (fold_builtin_1): Use it to fold builtin sincos.
4654 2006-11-01 Roger Sayle <roger@eyesopen.com>
4656 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
4657 it into -D_REENTRANT.
4659 2006-11-01 Roger Sayle <roger@eyesopen.com>
4661 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
4662 whether the assembler supports taking the difference of symbols in
4663 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
4664 * configure: Regenerate.
4665 * config.in: Regenerate.
4666 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
4667 the assembler doesn't support taking the difference of symbols in
4668 different sections, i.e. we're using the native solaris assembler.
4670 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
4671 Peter Bergner <bergner@vnet.ibm.com>
4673 * doc/invoke.texi: Add cpu_type power6x
4674 (RS/6000 and PowerPC Options): Add -mmfpgpr.
4675 * config.gcc: Add cpu_type power6x.
4676 * configure.ac: Add test for mf{t,f}gpr instructions.
4677 (HAVE_AS_MFPGPR): New.
4678 * config.in: Regenerate.
4679 * configure: Regenerate.
4680 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
4681 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
4682 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
4683 and mftgpr attributes.
4684 (define_attr "cpu"): Add power6.
4685 Change instruction sequences to use new attributes.
4686 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
4687 (fix_truncdfsi2_mfpgpr): New.
4688 (floatsidf_ppc64_mfpgpr): New.
4689 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
4690 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
4691 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
4692 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
4693 (fix_truncdfsi2): Use gpc_reg_operand constraint.
4694 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
4695 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
4696 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
4697 cntlz,exts and var_delayed_compare.
4698 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4699 _ARCH_PWR6X, if features enabled.
4700 * config/rs6000/rs6000.opt (mmfpgpr): New.
4701 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
4702 (cached_can_issue_more): New variable.
4703 (processor_costs): Add power6_cost.
4704 (rs6000_sched_init): New function.
4705 (is_dispatch_slot_restricted): Deleted.
4706 (set_to_load_agen): New function.
4707 (is_load_insn,is_store_insn): New functions.
4708 (adjacent_mem_locations): New function.
4709 (insn_must_be_first_in_group): New function.
4710 (insn_must_be_last_in_group): New function.
4711 (rs6000_sched_reorder): New function.
4712 (rs6000_sched_reorder2): New function.
4713 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
4714 TARGET_SCHED_REORDER2): Define.
4715 (processor_target_table): Use PROCESSOR_POWER6 for power6.
4716 Add power6x. Add MASK_MFPGPR for power6x.
4717 (POWERPC_MASKS): Add MASK_MFPGPR.
4718 (rs6000_override_options): Set rs6000_always_hint to false
4719 for power6. Set rs6000_align_branch_targets. Replace
4720 rs6000_sched_groups check with rs6000_align_branch_targets.
4721 Use PROCESSOR_POWER6.
4722 (last_scheduled_insn): New variable.
4723 (load_store_pendulum): New variable.
4724 (rs6000_variable_issue): Set last_scheduled_insn and
4725 cached_can_issue_more.
4726 (rs6000_adjust_cost): Add power6 cost adjustments.
4727 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
4728 with insn_must_be_first_in_group. Add power6 priority adjustments.
4729 (rs6000_issue_rate): Add CPU_POWER6.
4730 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
4731 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
4732 (TARGET_MFPGPR): New.
4733 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
4734 (ASM_CPU_SPEC): Add power6x.
4735 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
4737 * config/rs6000/power6.md: New file.
4739 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
4741 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
4742 HOST_WIDE_INT_PRINT to print high and low parts. Use
4743 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
4744 printing a hexadecimal number prefix it with 0x.
4746 2006-11-01 Chris Johns <chris@contemporary.net.au>
4749 * Makefile.in (install-driver): Use exeext when installing
4750 $target-gcc-$version.
4752 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
4754 * c-common.c (flag_cpp0x): New.
4755 * c-common.h (flag_cpp0x): New.
4756 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
4757 supported, define __GXX_EXPERIMENTAL_CPP0X__.
4758 * c-opts.c (set_std_cxx0x): New.
4759 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
4760 * c.opt (std=c++0x): Document.
4761 (std=gnu++0x): Ditto.
4762 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
4763 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
4765 2006-11-01 Richard Guenther <rguenther@suse.de>
4767 * config/i386/i386.c (ix86_expand_rint): Fix issues with
4769 (ix86_expand_floorceildf_32): Likewise.
4770 (ix86_expand_floorceil): Likewise.
4771 (ix86_expand_trunc): Likewise.
4773 2006-10-31 Andrew Pinski <pinskia@gmail.com>
4775 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
4778 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
4780 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
4782 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
4784 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
4786 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
4787 * configure.ac (use_cxa_atexit): As a special case, don't test
4788 for libc definition of __cxa_atexit on mingw32
4789 * configure: Regenerate.
4790 * config.gcc (i[34567]86-pc-mingw32): Default to
4791 enable__cxa_atexit=yes.
4793 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4795 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
4797 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4800 * c-decl.c (start_struct): Don't create self-containing
4802 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
4804 * config/rs6000/rs6000-protos.h
4805 (darwin_rs6000_special_round_type_align): New.
4806 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
4807 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
4809 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4811 * toplev.c (compile_file): Call final_write_globals
4812 even if there have been errors.
4814 2006-10-31 Eric Christopher <echristo@apple.com>
4815 Falk Hueffner <falk@debian.org>
4817 * doc/extend.texi (__builtin_bswap32): Document.
4818 (__builtin_bswap64): Ditto.
4819 * doc/libgcc.texi (bswapsi2): Document.
4821 * doc/rtl.texi (bswap): Document.
4822 * optabs.c (expand_unop): Don't widen a bswap.
4823 (init_optabs): Init bswap. Set libfuncs explicitly
4824 for bswapsi2 and bswapdi2.
4825 * optabs.h (OTI_bswap): New.
4826 (bswap_optab): Ditto.
4827 * genopinit.c (optabs): Handle bswap_optab.
4828 * tree.h (tree_index): Add TI_UINT32_TYPE and
4830 (uint32_type_node): New.
4831 (uint64_type_node): Ditto.
4832 * tree.c (build_common_tree_nodes_2): Initialize
4833 uint32_type_node and uint64_type_node.
4834 * builtins.c (expand_builtin_bswap): New.
4835 (expand_builtin): Call.
4836 (fold_builtin_bswap): New.
4837 (fold_builtin_1): Call.
4838 * fold-const.c (tree_expr_nonnegative_p): Return true
4840 * builtin-types.def (BT_UINT32): New.
4842 (BT_FN_UINT32_UINT32): Ditto.
4843 (BT_FN_UINT64_UINT64): Ditto.
4844 * builtins.def (BUILT_IN_BSWAP32): New.
4845 (BUILT_IN_BSWAP64): Ditto.
4846 * rtl.def (BSWAP): New.
4847 * genattrtab.c (check_attr_value): New.
4848 * libgcc2.c (__bswapSI2): New.
4849 (__bswapDI2): Ditto.
4850 * libgcc2.h (__bswapSI2): Declare.
4851 (__bswapDI2): Ditto.
4852 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
4853 * simplify-rtx.c (simplify_const_unary_operation): Return
4855 * libgcc-std.ver (__bwapsi2): Add.
4856 (__bswapdi2): Ditto.
4857 * reload1.c (eliminate_regs_1): Add bswap.
4858 (elimination_effects): Ditto.
4859 * config/i386/i386.h (x86_bswap): New.
4860 (TARGET_BSWAP): Use.
4861 * config/i386/i386.c (x86_bswap): Set.
4863 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4865 * coverage.c (coverage_checksum_string): Update comment.
4866 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
4867 of get_file_function_name.
4868 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
4869 of get_file_function_name_long.
4870 * tree.c (get_file_function_name): Rename from
4871 get_file_function_name_long; improve comment; handle 'I' and 'D'
4872 specially when the target has ctor/dtor support; remove special
4874 (get_file_function_name): Remove.
4875 * tree.h (get_file_function_name): Rename from
4876 get_file_function_name_long.
4877 (get_file_function_name): Remove prototype.
4879 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4881 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
4882 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
4884 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
4885 Call dsymutil when compiling and linking one or more source files
4888 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4891 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
4893 2006-10-31 Geoffrey Keating <geoffk@apple.com>
4895 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
4896 inline static functions in c99 mode.
4899 * doc/extend.texi (Inline): Update.
4900 * c-tree.h (struct language_function): Remove field 'extern_inline'.
4901 * c-decl.c (current_extern_inline): Delete.
4902 (pop_scope): Adjust test for an undefined nested function.
4903 Add warning about undeclared inline function.
4904 (diagnose_mismatched_decls): Update comments. Disallow overriding
4905 of inline functions in a translation unit in C99. Allow inline
4906 declarations in C99 at any time.
4907 (merge_decls): Boolize variables. Handle C99 'extern inline'
4909 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
4910 C99 inline semantics.
4911 (start_function): Don't clear current_extern_inline. Don't set
4913 (c_push_function_context): Don't push current_extern_inline.
4914 (c_pop_function_context): Don't restore current_extern_inline.
4917 * c-typeck.c (build_external_ref): Warn about static variables
4918 used in extern inline functions.
4919 * c-decl.c (start_decl): Warn about static variables declared
4920 in extern inline functions.
4922 2006-10-31 Roger Sayle <roger@eyesopen.com>
4925 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
4926 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
4927 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
4928 or y is an even integer.
4930 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
4933 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
4934 * gthr-posix95.h (__gthread_active_p): Likewise.
4936 2006-10-31 Richard Guenther <rguenther@suse.de>
4938 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
4939 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
4940 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
4941 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
4942 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
4943 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
4944 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
4945 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
4948 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
4950 * opts.c (decode_options): Disable CSE skip blocks.
4952 2006-10-30 Dirk Mueller <dmueller@suse.de>
4954 * c-common.h (strict_aliasing_warning): Fix whitespace.
4955 * c-decl (start_function): Move code for main decl warning ..
4956 * c-common.c (check_main_parameter_types): .. here.
4957 * c-common.h (check_main_parameter_types): Declare.
4959 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4962 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
4964 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
4966 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
4967 be a PARALLEL containing sets. Return false when out_pat is not
4970 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4972 * config/mips/mips.md (mul<mode>3): Split into...
4973 (mulsi3, muldi3): ...these separate patterns.
4975 2006-10-30 Richard Sandiford <richard@codesourcery.com>
4977 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
4978 but with each set of options separated by spaces.
4980 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
4982 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
4983 dwarf_reg_size_table has been initialized.
4985 2006-10-30 Roger Sayle <roger@eyesopen.com>
4987 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
4988 * ddg.c (print_ddg_edge): Likewise.
4989 * dwarf2out.c (prune_unused_types_walk): Likewise.
4990 * ifcvt.c (noce_try_cmove_arith): Likewise.
4991 * langhooks.c (add_builtin_function): Likewise.
4992 * reg-stack.c (subst_stack_regs_pat): Likewise.
4993 * tree.c (expanded_location): Likewise.
4994 * tree-dump.c (dequeue_and_dump): Likewise.
4996 2006-10-30 David Daney <ddaney@avtrex.com>
4998 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
5000 2006-10-30 Jakub Jelinek <jakub@redhat.com>
5002 PR tree-optimization/29637
5003 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
5004 of the innertype is the innertype itself.
5006 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
5008 * dwarf2out.c (file_name_acquire): Correct typo.
5010 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
5012 * tree.h (tree_value_handle): Remove struct value_set declaration.
5013 Change value_set to bitmap_set.
5014 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
5015 * tree-vn.c (get_value_handle): Made inline and moved to
5017 * tree-flow-inline.h: (has_stmt_ann): New function.
5018 * tree-ssa-pre.c (expressions): New variable.
5019 (next_expression_id): Ditto.
5020 (alloc_expression_id): New function.
5021 (struct value_set): Remove.
5022 (get_expression_id): New function.
5023 (get_or_alloc_expression_id): Ditto.
5024 (expression_for_id): Ditto.
5025 (clear_expression_ids): Ditto.
5026 (FOR_EACH_EXPR_ID_IN_SET): New macro.
5027 (bb_value_sets): Renamed to bb_bitmap_sets.
5028 All value sets replaced with bitmap_sets.
5030 (BB_VISITED): New macro.
5031 (postorder): New variable.
5032 (add_to_value): Removed.
5033 (value_exists_in_set_bitmap): Ditto.
5034 (value_insert_into_set_bitmap): Ditto.
5037 (set_remove): Ditto.
5038 (set_contains_value): Ditto.
5039 (insert_into_set): Ditto.
5041 (find_leader): Ditto.
5042 (bitmap_set_subtract_from_value_set): Ditto.
5043 (value_insert_into_set): Ditto.
5044 (print_value_set): Ditto.
5045 (debug_value_set): Ditto.
5046 (constant_expr_p): New function.
5047 (bitmap_remove_from_set): Ditto.
5048 (bitmap_insert_into_set): Ditto.
5049 (bitmap_set_free): Ditto.
5050 (vh_compare): Ditto.
5051 (sorted_array_from_bitmap_set): Ditto.
5052 (bitmap_set_subtract): Ditto.
5053 (bitmap_set_equal): Ditto.
5054 (debug_bitmap_set): Ditto.
5055 (find_leader_in_sets): Ditto.
5056 (bitmap_set_replace_value): Modify for bitmapped sets.
5057 (phi_translate): Ditto.
5058 (phi_translate_set): Ditto.
5059 (bitmap_find_leader): Ditto.
5060 (valid_in_sets): Ditto.
5061 (union_contains_value): Ditto.
5063 (compute_antic_aux): Ditto. Mark changed blocks.
5064 (compute_antic): Ditto. Iterate in postorder and only over
5066 (compute_rvuse_and_antic_safe): Reuse postorder.
5067 (create_component_ref_by_pieces): Modify for bitmapped sets.
5068 (find_or_generate_expression): Ditto.
5069 (create_expression_by_pieces): Ditto.
5070 (insert_into_preds_of_block): Ditto.
5071 (changed_blocks): New variable.
5072 (do_regular_insertion): Broken out from insert_aux.
5073 (insert_aux): Modified for bitmapped sets.
5074 (find_existing_value_expr): New function.
5075 (create_value_expr_from): Use it.
5076 (insert_extra_phis): Removed.
5077 (print_bitmap_set): Renamed from bitmap_print_value_set.
5078 (compute_avail): Handle RETURN_EXPR.
5079 (init_pre): Modify for bitmapped sets.
5080 * tree-flow.h (has_stmt_ann): New function.
5082 2006-10-29 Roger Sayle <roger@eyesopen.com>
5084 * builtins.c (fold_builtin_floor): Check for the availability of
5085 the C99 trunc function before transforming floor into trunc.
5087 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5089 * builtins.c (fold_builtin_hypot): Rearrange recursive
5090 transformation before others, and also do ABS_EXPR. When
5091 necessary, check flag_unsafe_math_optimizations. When necessary,
5094 2006-10-29 Roger Sayle <roger@eyesopen.com>
5096 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
5097 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
5098 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
5099 Fold -X eq/ne -Y as X eq/ne Y.
5101 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5103 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
5104 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
5105 rather than GENERATE_MULT3_SI in the various define_peephole2s.
5106 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
5107 Use an inclusive test for "mult" rather than "mul".
5108 (rotr<mode>3): Depend on ISA_HAS_ROR.
5109 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
5111 (GENERATE_MULT3_DI): Delete.
5112 (ISA_HAS_64BIT_REGS): Use consistent formatting.
5113 (ISA_HAS_MUL3): New macro.
5114 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
5115 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
5116 (ISA_HAS_CLZ_CLO): Likewise.
5117 (ISA_HAS_DCLZ_DCLO): Delete.
5118 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
5119 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
5120 the VR4120 and VR4130.
5121 (ISA_HAS_MACCHI): Use consistent formatting.
5122 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
5123 (ISA_HAS_ROR): ...this new macro.
5124 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
5125 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
5126 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
5128 2006-10-29 Roger Sayle <roger@eyesopen.com>
5130 PR tree-optimization/15458
5131 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
5134 2006-10-29 Richard Guenther <rguenther@suse.de>
5136 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
5137 (ix86_expand_truncdf_32): Likewise.
5138 * config/i386/i386.c (ix86_expand_trunc): New function expanding
5139 trunc inline for SSE math and -fno-trapping-math and if not
5140 optimizing for size.
5141 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
5142 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
5143 for expanding btrunc inline for SSE math.
5145 2006-10-29 Joseph Myers <joseph@codesourcery.com>
5147 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
5148 Handle tuning for bi-arch i[34567]86-*-linux* like that for
5149 i[34567]86-*-solaris2.1[0-9]*.
5150 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
5151 Define conditionally depending on TARGET_64BIT_DEFAULT.
5152 (SPEC_32, SPEC_64): Define.
5153 (LINK_SPEC): Use them.
5154 * doc/install.texi (--enable-targets=all): Document for x86-linux.
5156 2006-10-29 Richard Guenther <rguenther@suse.de>
5158 * config/i386/i386-protos.h (ix86_expand_round): Declare.
5159 (ix86_expand_rounddf_32): Likewise.
5160 * config/i386/i386.c (ix86_expand_round): New function expanding
5161 round inline for SSE math and -fno-trapping-math and if not
5162 optimizing for size.
5163 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
5164 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
5165 round via ix86_expand_round.
5167 2006-10-29 Richard Guenther <rguenther@suse.de>
5169 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
5170 (ix86_expand_floorceildf_32): Likewise.
5171 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
5172 static helper function.
5173 (ix86_expand_floorceil): Expander for floor and ceil to SSE
5175 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
5176 * config/i386/i386.md (floordf2): Adjust to enable floor
5177 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
5178 -fno-trapping-math is enabled and if not optimizing for size.
5179 (floorsf2, ceildf2, ceilsf2): Likewise.
5180 * config/i386/sse.md (sse_maskcmpsf3): New insn.
5181 (sse2_maskcmpdf3): Likewise.
5183 2006-10-29 Richard Guenther <rguenther@suse.de>
5185 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
5186 rint in case -fno-trapping-math is enabled.
5187 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
5188 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
5189 (ix86_expand_sse_fabs): Likewise.
5190 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
5191 * config/i386/i386.md (rintdf2): Enable for SSE math if
5192 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
5193 (rintsf2): Likewise.
5195 2006-10-29 Richard Guenther <rguenther@suse.de>
5197 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
5198 to conversion optabs.
5199 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
5200 as conversion optab.
5201 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
5202 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
5203 (lfloor_optab, lceil_optab): Adjust defines.
5204 * builtins.c (expand_builtin_int_roundingfn): Adjust for
5205 lfloor and lceil optabs now being conversion optabs.
5206 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
5207 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
5208 New static helper function.
5209 (ix86_expand_lfloorceil): New function to expand lfloor and
5211 * config/i386/i386.md (lfloor<mode>2): Split into ...
5212 (lfloorxf<mode>2): ... x87 variant
5213 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
5214 using ix86_expand_lfloorceil.
5215 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
5217 * doc/md.texi (lfloorMN, lceilMN): Document.
5219 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5221 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
5222 -mno-shared assembler option on mips targets.
5223 * configure, config.in: Regenerate.
5224 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
5225 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
5226 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
5228 2006-10-29 Richard Sandiford <richard@codesourcery.com>
5230 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
5231 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
5233 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
5235 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
5236 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
5239 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5242 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
5243 (fold_builtin_pow): Evaluate constant arguments at compile-time
5245 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
5246 (do_mpfr_ckconv): New helper function.
5247 (do_mpfr_arg1): Use do_mpfr_ckconv.
5248 (do_mpfr_arg2): New.
5250 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
5253 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
5254 (-fdump-rtl-sched): Rename to ..
5255 (-fdump-rtl-sched1): here. Also fix file extension number.
5257 2006-10-28 Richard Guenther <rguenther@suse.de>
5259 * fold-const.c (maybe_canonicalize_comparison): Fix code
5262 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5264 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
5265 (NON_QI_REG_P): Use IN_RANGE.
5266 (REX_INT_REGNO_P): Use IN_RANGE.
5267 (FP_REGNO_P): Use IN_RANGE.
5268 (SSE_REGNO_P): Use IN_RANGE.
5269 (REX_SSE_REGNO_P): Use IN_RANGE.
5270 (MMX_REGNO_P): Use IN_RANGE.
5271 (STACK_REGNO_P): New macro.
5272 (STACK_REG_P): Use STACK_REGNO_P.
5273 (NON_STACK_REG_P): Use STACK_REGNO_P.
5274 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
5275 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
5276 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
5277 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
5278 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
5280 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
5282 * except.h (output_function_exception_table): Add 'const char*' param.
5283 * except.c (switch_to_exception_section): Add 'const char*' param.
5284 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
5285 and flag_function_sections is set, use a function-specific section.
5286 (output_function_exception_table): Add 'const char*' param.
5287 Adjust call to switch_to_exception_section.
5288 * final.c (rest_of_handle_final): Adjust calls to
5289 output_function_exception_table.
5290 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
5291 * config.in: Regenerate.
5292 * configure: Likewise.
5294 2006-10-28 Richard Guenther <rguenther@suse.de>
5297 * fold-const.c (maybe_canonicalize_comparison_1): Helper
5298 for maybe_canonicalize_comparison.
5299 (maybe_canonicalize_comparison): New function for canonicalizing
5301 (fold_comparison): Call it to canonicalize comparisons with
5304 2006-10-28 Richard Guenther <rguenther@suse.de>
5307 * builtins.c (expand_builtin_int_roundingfn_2): Expand
5308 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
5309 (expand_builtin): Adjust likewise.
5310 * genopinit.c (optabs[]): Add lround optab.
5311 * optabs.c (init_optabs): Initialize lround_optab.
5312 * optabs.h (enum convert_optab_index): Add COI_lround.
5313 (lround_optab): Define.
5314 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
5315 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
5317 (ix86_expand_lround): New function.
5318 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
5320 * doc/md.texi (lroundMN2): Document.
5322 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5325 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
5326 argument to HOST_WIDE_INT. Update function prototype.
5327 (round_frame_size): Change return type to HOST_WIDE_INT. Change
5328 "size" argument to HOST_WIDE_INT. Update function prototype.
5330 2006-10-28 Uros Bizjak <uros@kss-loka.si>
5332 * config/i386/i386.c (output_387_ffreep): Create output from a
5333 template string for !HAVE_AS_IX86_FFREEP.
5335 2006-10-27 Eric Christopher <echristo@apple.com>
5337 * config/darwin.c: Fix formatting and grammar.
5339 2006-10-27 Jan Hubicka <jh@suse.cz>
5341 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
5342 to be thrown away soon when IGNORE is set.
5343 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
5344 indicating when return value shall not be computed.
5345 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
5347 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
5349 * config/i386/i386.h (TARGET_GEODE):
5350 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
5351 (TARGET_CPU_DEFAULT_geode): New macro.
5352 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
5353 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
5354 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
5355 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
5356 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
5358 (TARGET_CPU_DEFAULT_NAMES): Add geode.
5359 (processor_type): Add PROCESSOR_GEODE.
5361 * config/i386/i386.md: Include geode.md.
5364 * config/i386/i386.c (geode_cost): New initialized global
5366 (m_GEODE, m_K6_GEODE): New macros.
5367 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
5368 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
5369 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
5370 x86_schedule): Use m_K6_GEODE instead of m_K6.
5371 (x86_movx, x86_cmove): Set up m_GEODE.
5372 (x86_integer_DFmode_moves): Clear m_GEODE.
5373 (processor_target_table): Add entry for geode.
5374 (processor_alias_table): Ditto.
5376 * config/i386/geode.md: New file.
5378 * doc/invoke.texi: Add entry about geode processor.
5380 2006-10-27 Mike Stump <mrs@apple.com>
5382 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
5383 __DYNAMIC__ from here back to ...
5384 * config/darwin.h (CPP_SPEC): ... here.
5386 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5387 Nathan Sidwell <nathan@codesourcery.com>
5389 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
5390 when choosing the minimum heapsize.
5392 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
5394 * gcc/unwind-dw2.h: Move cfa-related variables into
5395 struct frame_state_reg_info to ensure that the CFA is properly
5396 handled when executing DW_CFA_{remember,restore}_state.
5397 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
5398 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
5399 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
5400 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
5401 gcc/config/rs6000/linux-unwind.h,
5402 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
5403 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
5404 Modify to use new cfa_* fields.
5406 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
5408 * config/s390/s390.c (s390_init_frame_layout): Check positive
5411 2006-10-26 Ben Elliston <bje@au.ibm.com>
5413 * gimplify.c (get_name): Remove extraneous break.
5414 (gimplify_omp_for): Initialise ret with GS_OK.
5416 2006-10-25 Steve Ellcey <sje@cup.hp.com>
5418 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
5419 Add unix98.o to link line.
5421 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5424 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
5425 Calculate compile-time constants using MPFR.
5426 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
5427 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
5429 2006-10-25 Bob Wilson <bob.wilson@acm.org>
5431 * config/xtensa/lib2funcs.S: Use C-style comments.
5433 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
5435 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
5436 (file_table_relative_p): Likewise.
5437 (dwarf2out_finish): Likewise.
5438 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
5440 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
5442 * tree-ssa-structalias.c (intra_create_variable_infos):
5443 Don't recreate nonlocal_all if it already exists.
5445 2006-10-25 Richard Guenther <rguenther@suse.de>
5448 * optabs.h (enum optab_index): Remove OTI_lrint.
5449 (enum convert_optab_index): Add COI_lrint.
5450 (lrint_optab): Adjust.
5451 (expand_sfix_optab): Declare.
5452 * optabs.c (expand_sfix_optab): New function.
5453 (init_optabs): Init lrint_optab as conversion optab.
5454 * genopinit.c (lrint_optab): Change to a conversion optab.
5455 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
5456 expansion via conversion optab.
5457 * config/i386/i386.md (*fistdi2_1): Remove
5458 flag_unsafe_math_optimizations guard.
5459 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
5460 fist<mode>2_with_temp): Likewise.
5461 (lrint<mode>2): Split into...
5462 (lrintxf<mode>2): ... x87 part
5463 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
5464 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
5465 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
5466 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
5467 * doc/md.texi (lrintMN2): Document.
5469 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5472 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
5473 Use inc and dec instructions for TARGET_USE_INCDEC.
5474 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
5475 ("sync_double_compare_and_swap<mode>"): Likewise.
5476 ("*sync_double_compare_and_swapdi_pic"): Likewise.
5477 ("*sync_compare_and_swap_cc<mode>"): Likewise.
5478 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
5479 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
5480 ("sync_old_add<mode>"): Likewise.
5481 ("sync_lock_test_and_set<mode>"): Likewise.
5482 ("sync_lock_test_and_set<mode>"): Likewise.
5483 ("sync_add<mode>"): Likewise.
5484 ("sync_sub<mode>"): Likewise.
5485 ("sync_ior<mode>"): Likewise.
5486 ("sync_and<mode>"): Likewise.
5487 ("sync_xor<mode>"): Likewise.
5489 2006-10-25 Uros Bizjak <uros@kss-loka.si>
5491 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
5492 (remainder_optab): Define corresponding macro.
5493 (drem_optab): Remove.
5494 * optabs.c (init_optabs): Initialize remainder_optab. Remove
5495 drem_optab initialization.
5496 * genopinit.c (optabs): Implement remainder_optab using
5497 remainder?f3 patterns. Remove drem_optab.
5498 * builtins.c (expand_builtin_mathfn_2): Handle
5499 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
5500 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
5501 expand_builtin_mathfn_2.
5503 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
5504 depend on flag_unsafe_math_optimizations.
5506 * config/i386/i386.md ("remaindersf3", "remainderdf3")
5507 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
5508 Do not depend on flag_unsafe_math_optimizations. Use
5509 truncxf?f expander instead of truncxf?f_i387_noop.
5511 ("fpremxf4", "fprem1xf4"): Do not depend on
5512 flag_unsafe_math_optimizations.
5513 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
5514 flag_unsafe_math_optimizations. Use truncxf?f expander
5515 instead of truncxf?f_i387_noop.
5517 * doc/md.texi (fmod, remainder): Document standard named pattern.
5519 2006-10-24 Richard Sandiford <richard@codesourcery.com>
5520 David Daney <ddaney@avtrex.com>
5523 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
5525 2006-10-25 Ben Elliston <bje@au.ibm.com>
5527 * doc/extend.texi (Variable Attributes): Typo fix.
5529 2006-10-24 Uros Bizjak <uros@kss-loka.si>
5531 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
5532 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
5533 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
5534 (FRAME_POINTER_REGNUM): Update register number to 21.
5535 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
5536 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
5538 * config/i386/i386.c (regclass_map): Add fpcr entry.
5539 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
5541 (print_reg): Assert REGNO (x) != FPCR_REG.
5543 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
5544 (DIRFLAG_REG): Renumber.
5545 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
5546 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
5547 (sse_prologue_save, *sse_prologue_save_insn): Renumber
5548 hardcoded SSE register numbers.
5550 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
5551 hardcoded MMX register numbers.
5553 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5556 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
5557 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
5559 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
5560 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
5561 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
5562 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
5564 2006-10-24 Richard Guenther <rguenther@suse.de>
5567 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
5568 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
5569 for deciding optimizations in consistency with fold-const.c
5570 (fold_builtin_unordered_cmp): Likewise.
5572 2006-10-24 Richard Guenther <rguenther@suse.de>
5574 * builtins.c (fold_builtin_floor): Fold floor (x) where
5575 x is nonnegative to trunc (x).
5576 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
5577 nonnegative to FIX_TRUNC_EXPR.
5579 2006-10-24 Richard Guenther <rguenther@suse.de>
5581 PR tree-optimization/29567
5582 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
5583 for TRUTH_NOT_EXPR. Clarify comments.
5585 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5588 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
5589 at compile-time using MPFR. Change parameter VALUE to FUNC,
5591 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
5592 for overflow and underflow at all times and avoid folding in
5595 2006-10-24 Ben Elliston <bje@au.ibm.com>
5597 * reload1.c: Formatting fixes.
5599 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
5601 PR tree-optimization/14784
5602 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
5603 * tree-ssa-structalias.c (get_constraint_for,
5604 intra_create_variable_infos): Set is_heapvar.
5605 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
5606 non-heapvar pointer variables specially.
5608 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5611 * builtins.c (fold_builtin_sin, fold_builtin_cos,
5612 fold_builtin_tan): Fold all constant arguments. Take a "type"
5613 argument as necessary.
5614 (do_mpfr_arg1): New.
5615 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
5617 2006-10-23 Bob Wilson <bob.wilson@acm.org>
5619 * config/xtensa/lib1funcs.asm: Use C-style comments.
5621 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
5623 * tree.c (local_define_builtin): Replace calls to
5624 lang_hooks.builtin_function with add_builtin_function.
5625 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
5627 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
5629 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
5630 common code to add_builtin_function.
5631 * langhooks.c (add_builtin_function): New function.
5632 (lhd_builtin_function): New function.
5633 * langhooks.h (struct lang_hooks): Change the signature of
5635 (add_builtin_function): New function.
5636 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
5637 calls to lang_hooks.builtin_function with add_builtin_function.
5638 * c-common.c (decl_builtin_1): Replace calls to
5639 lang_hooks.builtin_function with add_builtin_function.
5640 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
5641 lang_hooks.builtin_function with add_builtin_function.
5642 * config/frv/frv.c (def_builtin): Replace calls to
5643 lang_hooks.builtin_function with add_builtin_function.
5644 * config/s390/s390.c (s390_init_builtins): Replace calls to
5645 lang_hooks.builtin_function with add_builtin_function.
5646 * config/sparc/sparc.c (def_builtin): Replace calls to
5647 lang_hooks.builtin_function with add_builtin_function.
5648 * config/i386/i386.c (def_builtin): Replace calls to
5649 lang_hooks.builtin_function with add_builtin_function.
5650 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
5651 lang_hooks.builtin_function with add_builtin_function.
5652 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
5653 lang_hooks.builtin_function with add_builtin_function.
5654 * config/stormy16/stormy16.c (xstormy16_init_builtins):
5655 Replace calls to lang_hooks.builtin_function with
5656 add_builtin_function.
5657 * config/iq2000/iq2000.c (def_builtin):
5658 Replace calls to lang_hooks.builtin_function with
5659 add_builtin_function.
5660 * config/ia64/ia64.c (def_builtin): Replace calls to
5661 lang_hooks.builtin_function with add_builtin_function.
5662 * config/rs6000/rs6000.c (def_builtin): Replace calls to
5663 lang_hooks.builtin_function with add_builtin_function.
5664 (altivec_init_builtins): Replace calls to
5665 lang_hooks.builtin_function with add_builtin_function.
5666 * config/arm/arm.c (def_mbuiltin): Replace calls to
5667 lang_hooks.builtin_function with add_builtin_function.
5668 (arm_init_tls_builtins): Replace calls to
5669 lang_hooks.builtin_function with add_builtin_function.
5670 * config/mips/mips.c (mips_init_builtins): Replace calls to
5671 lang_hooks.builtin_function with add_builtin_function.
5672 * config/bfin/bfin.c (def_builtin): Replace calls to
5673 lang_hooks.builtin_function with add_builtin_function.
5674 * langhooks-def.h (lhd_builtin_function): New function.
5675 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
5677 2006-10-23 Jakub Jelinek <jakub@redhat.com>
5679 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
5680 BUILT_IN_STRNCAT_CHK.
5682 2006-10-23 Jan Hubicka <jh@suse.cz>
5684 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
5685 don't do conversion from memmove to memcpy here.
5686 (expand_builtin_bcopy, expand_builtin): Update call of
5687 expand_builtin_memmove.
5688 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
5690 2006-10-23 Paul Brook <paul@codesourcery.com>
5692 * stor-layout.c (start_record_layout): maximum_field_alignment
5693 overrides STRUCTURE_SIZE_BOUNDARY.
5695 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
5697 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
5698 nonlocal function symbols if flag_pic.
5700 2006-10-23 Richard Guenther <rguenther@suse.de>
5704 * builtins.c (fold_binary): Remove checks for flag_wrapv
5705 and flag_trapv where negate_expr_p covers these cases.
5707 2006-10-23 Richard Guenther <rguenther@suse.de>
5710 * fold-const.c (fold_plusminus_mult_expr): Check exact power
5711 of two on the absolute value.
5712 (fold_binary): Fold x * -C to -x * C if x is easily negatable
5713 and negating -C does not overflow.
5715 2006-10-23 Richard Guenther <rguenther@suse.de>
5718 * convert.c (convert_to_real): Fold (float)-x to -(float)x
5719 only if not flag_rounding_math.
5721 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5722 Kaz Kojima <kkojima@gcc.gnu.org>
5725 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
5726 SImode memory reference for the source of a movua.
5727 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
5728 (movua): Use an unspec instead of sign_extract. Expect the source
5729 to have mode BLKmode.
5730 (extv, insv): Use a BLKmode rather than SImode memory reference
5731 for the source of a movua.
5733 2006-10-22 Jeff Law <law@redhat.com>
5734 Richard Guenther <rguenther@suse.de>
5736 PR tree-optimization/15911
5737 * tree-vrp.c (extract_code_and_val_from_cond): New function.
5738 (register_edge_assert_for_1): Likewise.
5739 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
5740 (find_conditional_asserts): Adjust for new function signature.
5741 (find_assert_locations): Likewise.
5743 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5745 * config/i386/tmmintrin.h: Remove the duplicated content.
5747 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
5749 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
5750 (x86_64-*-*): Likewise.
5752 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
5753 (override_options): Check SSSE3.
5754 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
5755 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
5756 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
5757 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
5758 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
5759 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
5760 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
5761 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
5762 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
5763 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
5764 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
5765 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
5766 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
5767 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
5768 IX86_BUILTIN_PABSD128.
5769 (bdesc_2arg): Add SSSE3.
5770 (bdesc_1arg): Likewise.
5771 (ix86_init_mmx_sse_builtins): Support SSSE3.
5772 (ix86_expand_builtin): Likewise.
5773 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
5775 * config/i386/i386.md (UNSPEC_PSHUFB): New.
5776 (UNSPEC_PSIGN): Likewise.
5777 (UNSPEC_PALIGNR): Likewise.
5778 Include mmx.md before sse.md.
5780 * config/i386/i386.opt: Add -mssse3.
5782 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
5783 (ssse3_phaddwv4hi3): Likewise.
5784 (ssse3_phadddv4si3): Likewise.
5785 (ssse3_phadddv2si3): Likewise.
5786 (ssse3_phaddswv8hi3): Likewise.
5787 (ssse3_phaddswv4hi3): Likewise.
5788 (ssse3_phsubwv8hi3): Likewise.
5789 (ssse3_phsubwv4hi3): Likewise.
5790 (ssse3_phsubdv4si3): Likewise.
5791 (ssse3_phsubdv2si3): Likewise.
5792 (ssse3_phsubswv8hi3): Likewise.
5793 (ssse3_phsubswv4hi3): Likewise.
5794 (ssse3_pmaddubswv8hi3): Likewise.
5795 (ssse3_pmaddubswv4hi3): Likewise.
5796 (ssse3_pmulhrswv8hi3): Likewise.
5797 (ssse3_pmulhrswv4hi3): Likewise.
5798 (ssse3_pshufbv16qi3): Likewise.
5799 (ssse3_pshufbv8qi3): Likewise.
5800 (ssse3_psign<mode>3): Likewise.
5801 (ssse3_psign<mode>3): Likewise.
5802 (ssse3_palignrti): Likewise.
5803 (ssse3_palignrdi): Likewise.
5804 (abs<mode>2): Likewise.
5805 (abs<mode>2): Likewise.
5807 * config/i386/tmmintrin.h: New file.
5809 * doc/extend.texi: Document SSSE3 built-in functions.
5811 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
5813 2006-10-22 Ira Rosen <irar@il.ibm.com>
5815 * tree-vect-transform.c (vectorizable_load): Use the type of the
5816 return value of the mask_for_load builtin to create realign_load
5819 2006-10-22 Richard Sandiford <richard@codesourcery.com>
5821 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
5824 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
5826 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
5827 (UNSPEC_LDDQU): This.
5828 * config/i386/sse.md (sse3_lddqu): Updated.
5830 2006-10-21 Richard Guenther <rguenther@suse.de>
5832 * builtins.c (expand_builtin_int_roundingfn_2): New function.
5833 (expand_builtin): Use it to expand lrint instead of
5834 expand_builtin_mathfn.
5836 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5839 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
5840 flag_unsafe_math_optimizations is set.
5842 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5845 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
5846 patterns to use memory input operand in x87->mem->XMM
5847 reload sequences. Skip transformation for TARGET_K8.
5849 2006-10-21 Uros Bizjak <uros@kss-loka.si>
5851 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
5852 force operand1 to register if both operands are memory operands.
5853 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
5854 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
5855 if both operands are memory operands.
5856 (truncdfsf2): Do not force operand1 to register if both operands
5857 are memory operands.
5859 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5861 * Makefile.in (LIBS): Add $(GMPLIBS).
5862 * doc/install.texi: Update GMP and MPFR requirements.
5863 * doc/sourcebuild.texi (need_gmp): Delete.
5865 2006-10-21 Richard Guenther <rguenther@suse.de>
5867 PR tree-optimization/3511
5868 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
5869 got new invariant arguments during PHI translation.
5871 2006-10-21 Richard Guenther <rguenther@suse.de>
5874 * fold-const.c (fold_comparison): Fold signed comparisons
5875 of the form X +- C1 CMP Y +- C2.
5877 2006-10-21 Richard Guenther <rguenther@suse.de>
5880 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
5881 if flag_unsafe_math_optimizations is specified. We have
5882 flag_finite_math_only for that.
5883 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
5884 or flag_unsafe_math_optimizations.
5886 2006-10-21 Richard Guenther <rguenther@suse.de>
5888 * builtins.c (fold_builtin_classify): Fix typo.
5890 2006-10-21 Richard Guenther <rguenther@suse.de>
5893 * simplify-rtx.c (simplify_const_relational_operation):
5894 Do not constant-fold ORDERED and UNORDERED for
5895 flag_unsafe_math_optimizations but only we do not need to
5896 honor NaNs for the given mode.
5898 2006-10-21 Richard Guenther <rguenther@suse.de>
5901 * config/i386/i386.c (classify_argument): Remove redundant
5902 walking of the BINFOs.
5903 (contains_128bit_aligned_vector_p): Likewise.
5905 2006-10-20 Mark Mitchell <mark@codesourcery.com>
5907 * BASE-VER: Set to 4.3.0.
5909 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
5911 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
5912 (tree_decl_with_vis): Remove artificial_pta_var flag.
5913 * tree-flow.h (referenced_var_check_and_insert): Expose.
5914 (nonlocal_all): New prototype.
5915 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
5916 (nonlocal_all): Make global.
5917 (nonlocal_lookup): Remove.
5918 (nonlocal_insert): Ditto.
5919 (create_nonlocal_var): Do not call nonlocal_insert.
5920 (get_nonlocal_id_for_type): Remove.
5921 (find_global_initializers): Mark new vars we find for renaming.
5922 (intra_create_variable_infos): Only create one nonlocal.
5923 (expand_nonlocal_solutions): Remove.
5924 (compute_points_to_sets): Don't call it.
5925 (ipa_pta_execute): Ditto.
5926 (init_alias_heapvars): Don't create nonlocal_for_type.
5927 (delete_alias_heapvars): Don't remove it.
5928 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
5931 2006-10-19 Brooks Moses <bmoses@stanford.edu>
5933 * doc/install.texi (Downloading GCC): Clarify mention of
5934 Fortran in the "full distribution" description.
5936 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
5938 Fix PR tree-optimization/28778
5939 Fix PR tree-optimization/29156
5940 Fix PR tree-optimization/29415
5941 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
5942 (tree_decl_with_vis): Add artificial_pta_var flag.
5943 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
5944 pushed into callers.
5945 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
5946 (nonlocal_all): Ditto.
5947 (struct variable_info): Add directly_dereferenced member.
5948 (var_escaped_vars): New variable.
5949 (escaped_vars_tree): Ditto.
5950 (escaped_vars_id): Ditto.
5951 (nonlocal_vars_id): Ditto.
5952 (new_var_info): Set directly_dereferenced.
5953 (graph_size): New variable
5954 (build_constraint_graph): Use graph_size.
5955 (solve_graph): Don't process constraints that cannot change the
5956 solution, don't try to propagate an empty solution to our
5958 (process_constraint): Set directly_dereferenced.
5959 (could_have_pointers): New function.
5960 (get_constraint_for_component_ref): Don't process STRING_CST.
5961 (nonlocal_lookup): New function.
5962 (nonlocal_insert): Ditto.
5963 (create_nonlocal_var): Ditto.
5964 (get_nonlocal_id_for_type): Ditto.
5965 (get_constraint_for): Allow results vector to be empty in the case
5966 of string constants.
5967 Handle results of calls properly.
5968 (update_alias_info): Update alias info stats on number and type of
5970 (find_func_aliases): Use could_have_pointers.
5971 (make_constraint_from_escaped): Renamed from
5972 make_constraint_to_anything, and changed to make constraints from
5974 (make_constraint_to_escaped): New function.
5975 (find_global_initializers): Ditto.
5976 (create_variable_info_for): Make constraint from escaped to any
5977 global variable, and from any global variable to the set of
5979 (intra_create_variable_infos): Deal with escaped instead of
5980 pointing to anything.
5981 (set_uids_in_ptset): Do type pruning on directly dereferenced
5983 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
5984 (init_base_vars): Fix comment, and initialize escaped_vars.
5985 (need_to_solve): Removed.
5986 (find_escape_constraints): New function.
5987 (expand_nonlocal_solutions): Ditto.
5988 (compute_points_to_sets): Call find_escape_constraints and
5989 expand_nonlocal_solutions.
5990 (delete_points_to_sets): Don't fall off the end of the graph.
5991 (init_alias_heapvars): Initialize nonlocal_for_type and
5993 (delete_alias_heapvars): Free nonlocal_for_type and null out
5996 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
5998 * fold-const.c (add_double): Rename to add_double_with_sign.
5999 Add 'unsigned_p' parameter and take it into account for the overflow.
6000 (mul_double): Rename to mul_double_with_sign.
6001 Add 'unsigned_p' parameter and take it into account for the overflow.
6002 (fold_div_compare): Call add_double_with_sign instead of add_double
6003 and mul_double_with_sign instead of mul_double, passing them the
6004 unsignedness of the type.
6005 * tree.h (add_double): Macroize.
6006 (add_double_with_sign): New prototype.
6007 (mul_double): Macroize.
6008 (mul_double_with_sign): New prototype.
6010 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
6012 * config/score/crti.asm: New file.
6013 * config/score/crtn.asm: New file.
6014 * config/score/elf.h: New file.
6015 * config/score/mac.md: New file.
6016 * config/score/misc.md: New file.
6017 * config/score/mul-div.S: New file.
6018 * config/score/predicates.md: New file.
6019 * config/score/score7.md: New file.
6020 * config/score/score.c: New file.
6021 * config/score/score-conv.h: New file.
6022 * config/score/score.h: New file.
6023 * config/score/score.md: New file.
6024 * config/score/score-mdaux.c: New file.
6025 * config/score/score-mdaux.h: New file.
6026 * config/score/score-modes.def: New file.
6027 * config/score/score.opt: New file.
6028 * config/score/score-protos.h: New file.
6029 * config/score/score-version.h: New file.
6030 * config/score/t-score-elf: New file.
6031 * config.gcc: Add score*-*-* configurations(Update before).
6032 * doc/invoke.texi (Score Options): New section.
6033 * doc/md.texi (Score family): New section to document constraints.
6035 2006-10-19 Nick Clifton <nickc@redhat.com>
6037 * config/arm/arm.c: Fix spelling typo.
6039 2006-10-18 Tom Tromey <tromey@redhat.com>
6041 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
6043 2006-10-18 Jan Hubicka <jh@suse.cz>
6046 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
6049 2006-10-18 Marcin Dalecki <martin@dalecki.de>
6051 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
6052 TSI_SAME_STMT, since that's the desired entity.
6054 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
6056 * config/s390/contraints.md: New file.
6057 * config/s390/s390-protos.h (s390_mem_constraint,
6058 s390_O_constraint_str, s390_N_constraint_str,
6059 s390_float_const_zero_p): Function prototypes added.
6060 * config/s390/s390.c (s390_extra_constraint_str,
6061 s390_const_double_ok_for_constraint_p,
6062 s390_const_ok_for_constraint_p): Functions removed.
6063 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
6064 s390_float_const_zero_p): New functions.
6065 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
6066 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
6067 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
6068 Macro definitions removed.
6069 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
6070 s390_extra_constraint_str): Functions removed.
6072 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
6073 Richard Sandiford <richard@codesourcery.com>
6076 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
6077 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
6079 2006-10-16 Geoffrey Keating <geoffk@apple.com>
6081 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
6082 (DWARF2_FRAME_REG_OUT): Likewise.
6083 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
6084 (DWARF2_FRAME_REG_OUT): Likewise.
6086 2006-10-17 Paul Brook <paul@codesourcery.com>
6088 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
6090 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6092 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
6093 Standardize on "GNU Fortran" as the official name of the Fortran
6096 2006-10-16 Mike Stump <mrs@apple.com>
6098 * doc/invoke.texi (Darwin Options): Document -mkernel.
6099 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
6101 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
6102 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
6103 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
6104 (OS_MISSING_ALTIVEC): Add.
6105 * config/i386/i386.c (override_options): Add
6106 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
6107 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
6108 -mkernel, -static or -mdynamic-no-pic is given.
6109 (C_COMMON_OVERRIDE_OPTIONS): Add.
6110 * config/darwin.opt (fapple-kext): Add.
6112 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
6113 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
6115 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
6116 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
6117 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
6118 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
6119 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
6120 (flag_mkernel): Add.
6121 (flag_apple_kext): Add.
6122 (TARGET_KEXTABI): Add.
6123 * config/darwin.c (darwin_handle_kext_attribute): Add.
6124 (DARWIN_VTABLE_P): Add.
6125 (darwin_binds_local_p): Add partial support for rebinding vtables
6127 (darwin_kextabi_p): Add.
6128 (darwin_override_options): Add.
6129 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
6130 (darwin_kextabi_p): Add.
6131 (darwin_override_options): Add.
6132 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
6133 __DYNAMIC__ and __STATIC__ here.
6135 2006-10-16 Brooks Moses <bmoses@stanford.edu>
6137 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
6138 Added mention of "make pdf" target, and Texinfo requirements for
6141 2006-10-16 DJ Delorie <dj@redhat.com>
6143 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
6144 into the GOT in case we need a subreg of the address.
6146 2006-10-16 Richard Guenther <rguenther@suse.de>
6149 * doc/extend.texi (X86 Built-in Functions): Fix typos in
6150 SSE builtin documentation. Document SSE2 builtins.
6152 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6154 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
6155 symbol in the output file for non-shared links when -nostdlib or
6156 -nodefaultlibs isn't specified.
6158 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
6159 posix thread support.
6161 2006-10-15 Jan Hubicka <jh@suse.cz>
6164 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
6165 declared always_inline even when not inlining.
6167 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
6168 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6169 Andrew Pinski <pinskia@gmail.com>
6172 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
6174 2006-10-15 Jan Hubicka <jh@suse.cz>
6175 Richard Guenther <rguenther@suse.de>
6178 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
6179 process_function_and_variable_attributes on all variables, including
6180 those discovered during cgraph construction phase.
6182 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
6184 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
6186 2006-10-14 Uros Bizjak <uros@kss-loka.si>
6188 * config/i386/athlon.md (athlon_fist): Add fisttp.
6190 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6191 Ian Lance Taylor <ian@airs.com>
6194 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
6195 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
6198 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
6200 * config/score/score.c, config/score/score.h: Fix comment
6203 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6206 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
6209 2006-10-13 Eric Christopher <echristo@apple.com>
6211 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
6213 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6216 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6217 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6218 alignment supported by 32-bit ELF.
6220 2006-10-13 Eric Christopher <echristo@apple.com>
6222 * config/darwin.c (darwin_emit_unwind_label): Strip
6223 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
6225 2006-10-13 Richard Guenther <rguenther@suse.de>
6227 PR tree-optimization/29446
6228 * tree-vrp.c (fix_equivalence_set): Remove.
6229 (extract_range_from_assert): Do not call fix_equivalence_set.
6230 (debug_value_range): Print a newline.
6231 (compare_name_with_value): For equivalence sets with
6232 inconsistent value ranges conservatively bail out.
6233 (compare_names): Likewise.
6235 2006-10-13 David Edelsohn <edelsohn@gnu.org>
6237 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
6238 and MPFR for gfortran.
6240 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
6242 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
6243 alignment supported by 32-bit ELF.
6245 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
6249 * c-typeck.c (digest_init): Always allow initializing vectors
6250 that have static storage duration with compound literals.
6251 * tree.c (build_type_attribute_qual_variant): New, based on
6252 build_type_attribute_variant.
6253 (build_type_attribute_variant): Rewrite using the former.
6254 (make_vector_type): Use build_type_attribute_qual_variant to build
6255 type variants. Use type_hash_canon on the others.
6257 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
6258 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
6260 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
6262 2006-10-12 Jan Hubicka <jh@suse.cz>
6265 * c-decl.c (c_make_fname_decl): Do not segfault in case where
6266 current_function_decl is set but current_function_scope is not.
6268 2006-10-12 Jie Zhang <jie.zhang@analog.com>
6270 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
6271 emit_insn to emit eh_return_internal instruction.
6272 (eh_return_internal): Explicitly set pc.
6274 2006-10-11 Richard Guenther <rguenther@suse.de>
6276 PR tree-optimization/28230
6277 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
6278 to the correct place.
6280 2006-10-11 Richard Guenther <rguenther@suse.de>
6283 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
6286 2006-10-10 Brooks Moses <bmoses@stanford.edu>
6288 * configure.ac: Added pdf to "Make-hooks"
6289 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
6290 targets and *.pdf file patterns in cleanup targets.
6291 * configure: Regenerated.
6293 2006-10-10 Anatoly Sokolov <aesok@post.ru>
6295 * config/avr/predicates.md: New file.
6296 * config/avr/avr.md: Include it.
6297 (REG_SP): New constant.
6298 (peepholes): Use predicates.
6299 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
6300 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
6301 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
6303 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
6305 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
6308 2006-10-10 Jakub Jelinek <jakub@redhat.com>
6311 * builtins.c (var_decl_component_p): New function.
6312 (fold_builtin_memset, fold_builtin_memory_op): Restrict
6313 single entry optimization to variables and components thereof.
6315 2006-10-10 Richard Guenther <rguenther@suse.de>
6317 PR rtl-optimization/29323
6318 * except.c (set_nothrow_function_flags): For functions
6319 that do not bind local bail out early.
6321 2006-10-10 Ben Elliston <bje@au.ibm.com>
6323 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
6326 2006-10-09 Richard Henderson <rth@redhat.com>
6328 Revert emutls patch.
6330 2006-10-09 Richard Guenther <rguenther@suse.de>
6333 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
6336 2006-10-09 Steve Ellcey <sje@cup.hp.com>
6339 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
6340 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
6341 * configure: Regenerate.
6342 * config.in: Regenerate.
6344 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
6346 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
6348 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6350 * config/mips/mips.c (mips_legitimize_tls_address): Implement
6351 all TLS models in the same way as local exec if !TARGET_ABICALLS.
6352 Remove stray newline.
6354 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6356 * config/mips/mips.c (mips_classify_symbol): Do not return
6357 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
6358 (mips_in_small_data_p): Tweak comments.
6360 2006-10-08 Richard Sandiford <richard@codesourcery.com>
6362 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
6364 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
6366 * gimplify.c, sched-int.h: Fix comment typos.
6368 * sched-int.h: Fix comment typos.
6370 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6372 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
6374 * sched-ebb.c (begin_schedule_ready): Use them.
6375 * haifa-sched.c (schedule_insn, move_insn, try_ready,
6376 add_to_speculative_block, create_check_block_twin, speculate_insn,
6377 fix_jump_move, move_block_after_check): Ditto.
6378 * sched-rgn.c (new_ready): Ditto.
6380 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6382 PR rtl-optimization/29128
6383 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
6384 * sched-ebb.c (advance_target_bb): Use it to fix condition to
6385 allow interblock movement of speculation checks.
6387 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
6390 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
6391 casted to integer type.
6392 (get_address_cost): Decrease cost of [symbol + index] addressing modes
6393 if they are significantly more expensive than [reg + index] ones.
6395 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6397 PR tree-optimization/29330
6398 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
6399 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
6400 on newly allocated ddrs.
6401 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
6402 to VEC (loop_p, heap) pointer.
6403 (compute_data_dependences_for_loop): Adjust caller.
6404 (free_dependence_relations): Free DDR_LOOP_NEST.
6406 * tree-loop-linear.c (linear_transform_loops): Don't forget to
6407 free DEPENDENCE_RELATIONS and DATAREFS.
6410 * builtins.c (expand_builtin_sync_operation,
6411 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
6412 Use convert_to_mode to handle promoted arguments.
6414 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6416 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
6418 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
6420 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
6422 2006-10-05 Uros Bizjak <uros@kss-loka.si>
6424 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
6425 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
6426 Use <modeconstraint> instead of "r" as operand 1 constraint.
6428 2006-10-06 Olivier Hainque <hainque@adacore.com>
6430 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
6431 Don't recurse on the pointed-to type.
6432 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
6433 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
6434 types with components of variable size.
6436 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
6438 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
6440 2006-10-06 Jakub Jelinek <jakub@redhat.com>
6442 PR tree-optimization/29290
6443 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
6447 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
6448 * config/i386/predicates.md (local_symbolic_operand): Likewise.
6451 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
6452 the number of vector elements fill the rest with zeros.
6454 2006-10-05 Richard Sandiford <richard@codesourcery.com>
6456 * config/mips/mips.c (mips_pass_by_reference): Do not return false
6457 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
6460 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
6462 * config/bfin/bfin.md (subsi3): Lose expander, change previously
6463 unnamed pattern into subsi3. Use correct constraints/predicates.
6464 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
6465 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
6467 2006-10-05 Ira Rosen <irar@il.ibm.com>
6469 * doc/loop.texi: Add data references analysis description.
6471 2006-10-04 Brooks Moses <bmoses@stanford.edu>
6473 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
6475 2006-10-04 Richard Henderson <rth@redhat.com>
6476 Jakub Jelinek <jakub@redhat.com>
6478 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
6479 * builtin-types.def (BT_WORD): Make unsigned.
6480 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
6481 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
6482 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
6483 * c-decl.c (grokdeclarator): Don't error if !have_tls.
6484 * c-parser.c (c_parser_omp_threadprivate): Likewise.
6485 * cgraph.c (decide_is_variable_needed): Look at force_output.
6486 Recurse for emulated tls.
6487 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
6488 checks redundant with decide_is_variable_needed.
6489 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
6490 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
6492 * expr.c (emutls_var_address): New.
6493 (expand_expr_real_1): Expand emulated tls.
6494 (expand_expr_addr_expr_1): Likewise.
6495 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
6496 * output.h (emutls_finish): Declare.
6497 * toplev.c (compile_file): Call it.
6498 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
6499 address before wrapping in CONST.
6500 * varasm.c (emutls_htab, emutls_object_type): New.
6501 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
6502 (get_emutls_object_name, get_emutls_object_type): New.
6503 (get_emutls_init_templ_addr, emutls_decl): New.
6504 (emutls_common_1, emutls_finish): New.
6505 (assemble_variable): When emulating tls, swap decls; generate
6506 constructor for the emutls objects.
6507 (do_assemble_alias): When emulating tls, swap decl and target name.
6508 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
6510 * emutls.c: New file.
6511 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
6512 tls_object for real tls.
6514 2006-10-04 Zack Weinberg <zackw@panix.com>
6516 Fix bug in constraint-check generator, reported by Rask Ingemann
6518 * genpreds.c (add_constraint): Don't remove anything from the
6520 (write_tm_constrs_h): Detect whether "op" argument is used, and
6521 mark it ARG_UNUSED if it isn't.
6522 (write_insn_const_int_ok_for_constraint): Skip the part of the
6523 expression that would test whether "op" (which is not available
6524 here) is a CONST_INT.
6526 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
6529 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
6531 2006-10-03 Geoffrey Keating <geoffk@apple.com>
6533 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
6534 current Leopard versions.
6535 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
6537 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
6539 * doc/install.texi: Fix typos.
6541 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
6543 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
6544 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
6545 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
6547 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
6549 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
6550 arg to be struct mach_header_64* instead.
6552 2006-10-02 Jakub Jelinek <jakub@redhat.com>
6555 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
6556 side effects after the outer expression's post side effects.
6558 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
6560 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
6561 comments to reflect actual behavior and relationship between
6562 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
6564 * doc/c-tree.texi (Working with declarations): Fix documentation
6565 of FIELD_DECL likewise.
6567 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
6570 * doc/extend.texi: Add used variable attribute description.
6572 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
6575 * c.opt (Woverride-init): New.
6576 * c-opts.c (c_common_post_options): Default warn_override_init to
6578 * c-typeck.c (add_pending_init, output_init_element): Warn for
6579 overriding initializers without side effects.
6580 * doc/invoke.texi (-Woverride-init): Document.
6583 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
6585 PR rtl-optimization/28096
6586 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
6587 assignment has already been used as a destination earlier in the block.
6589 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
6591 * builtins.c (expand_builtin_setjmp): Delete.
6592 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
6593 <BUILT_IN_SETJMP_SETUP>: New case.
6594 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
6595 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
6596 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
6597 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
6598 (BUILT_IN_SETJMP_RECEIVER): Likewise.
6599 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
6600 (lower_function_body): Initialize it to false. If it is set to true
6601 at the end of the processing, emit the setjmp dispatcher.
6602 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
6603 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
6604 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
6605 on the rhs of the assignment.
6606 (lower_builtin_setjmp): New function.
6607 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
6608 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
6609 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
6610 to detect calls that can go to non-local labels. Use specific
6611 helper to create the abnormal edges associated with them.
6612 <MODIFY_EXPR>: Likewise.
6613 (make_abnormal_goto_edges): New function extracted from...
6614 (make_goto_expr_edges): ...here. Call it for computed gotos.
6615 (simple_goto_p): Minor tweak.
6616 (tree_can_make_abnormal_goto): New predicate.
6617 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
6618 (tree_purge_dead_abnormal_call_edges): New function.
6619 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
6620 (tree_purge_dead_abnormal_call_edges): Likewise.
6621 (make_abnormal_goto_edges): Likewise.
6622 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
6623 Purge all dead abnormal edges if the call was in the last statement.
6624 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
6625 (execute_fixup_cfg): If there are non-local labels in the function,
6626 scan the basic blocks and split them at calls that can go to non-local
6627 labels or add missing abnormal call edges. Write down the CFG in the
6629 (pass_fixup_cfg): Remove TODO_dump_func flag.
6630 * unwind-sjlj.c: Poison setjmp.
6631 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
6632 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
6633 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
6634 (DONT_USE_BUILTIN_SETJMP): Document it.
6636 2006-09-28 Geoffrey Keating <geoffk@apple.com>
6639 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
6640 to 1 when __ppc64__ is defined.
6641 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
6643 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
6645 2006-09-28 Steve Ellcey <sje@cup.hp.com>
6647 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
6648 * config/ia64/unwind-hpux.c: Delete.
6650 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
6652 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
6653 on the element before gimplifying it, instead of punting if it is of
6656 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
6658 * doc/loop.texi: New file.
6659 * doc/gccint.texi: Reference loop.texi.
6660 * Makefile.in (loop.texi): Add.
6662 2006-09-27 Geoffrey Keating <geoffk@apple.com>
6664 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
6666 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6667 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
6669 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
6671 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
6673 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
6675 * doc/install.texi: Document required versions of GMP and MPFR.
6677 2006-09-27 Paul Brook <paul@codesourcery.com>
6680 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
6682 2006-09-27 Richard Sandiford <richard@codesourcery.com>
6684 * reload1.c (alter_reg): Require the alignment of the stack slot to
6685 be at least reg_max_ref_width bytes.
6686 (scan_paradoxical_subregs): Record the largest width in
6689 2006-09-26 Jakub Jelinek <jakub@redhat.com>
6693 * tree-nested.c (struct nesting_info): Added static_chain_added.
6694 (convert_call_expr): Set static_chain_added when adding static
6695 chain. Handle OMP_PARALLEL and OMP_SECTION.
6697 2006-09-25 Matthias Klose <doko@debian.org>
6699 * doc/invoke.texi: Add missing full stop.
6701 2006-09-25 Richard Henderson <rth@redhat.com>
6703 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
6704 before cgraph_function_flags_ready.
6706 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
6707 Adam Nemet <anemet@caviumnetworks.com>
6709 * tree-ssa-loop-ivopts.c (aff_combination_convert,
6710 determine_common_wider_type): New functions.
6711 (get_computation_aff): Use them to simplify arithmetic between
6712 UBASE and CBASE if they are shortened from the same type.
6714 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
6717 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
6718 -2147483647 - 1 instead of 0x80000000.
6720 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
6722 * flags.h (HONOR_NANS): Fix typo in comment.
6724 2006-09-23 Uros Bizjak <uros@kss-loka.si>
6726 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
6728 2006-09-23 Jakub Jelinek <jakub@redhat.com>
6732 * tree.c (merge_attributes, attribute_list_contained): If both
6733 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
6735 * c-typeck.c (comptypes_internal): Don't consider aggregates
6736 in different TUs as compatible if there one set of attributes is
6737 not a subset of the other type's attributes.
6738 (composite_type): Try harder not to create a new aggregate type.
6740 2006-09-22 Geoffrey Keating <geoffk@apple.com>
6742 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
6743 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
6744 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
6745 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
6746 than replicating condition above.
6747 * config.host (i[34567]86-*-*): Always use driver-i386.o.
6749 * config/darwin.h (LINK_SYSROOT_SPEC): New.
6750 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
6751 the linker by default.
6753 2006-09-22 Mike Stump <mrs@apple.com>
6755 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
6758 2006-09-22 Richard Guenther <rguenther@suse.de>
6761 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
6762 sort of stack variables stable.
6764 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
6767 * explow.c (force_reg): Set REG_POINTER flag according to
6770 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
6772 PR tree-optimization/28888
6773 * tree-if-conv.c (combine_blocks): Rewritten.
6774 * tree-cfg.c (tree_verify_flow_info): Check that edges with
6775 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
6777 2006-09-22 Jakub Jelinek <jakub@redhat.com>
6779 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
6782 2006-09-21 Richard Sandiford <richard@codesourcery.com>
6784 * varasm.c (copy_constant): Fix reversed gcc_assert check.
6786 2006-09-21 Janis Johnson <janis187@us.ibm.com>
6788 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
6790 2006-09-21 Roger Sayle <roger@eyesopen.com>
6793 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
6794 dw_fde_current_label, to be the start of the function, i.e. the same
6795 value as dw_fde_begin.
6797 2006-09-20 Richard Sandiford <richard@codesourcery.com>
6799 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
6800 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
6801 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
6802 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
6803 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
6804 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
6805 (abs<mode>2, neg<mode>2): Likewise.
6806 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
6807 (*mips_abs_ps): New define_insn.
6809 2006-09-20 Josh Conner <jconner@apple.com>
6812 * calls.c (expand_call): Allow reuse of structure return stack
6815 2006-09-20 Paul Brook <paul@codesourcery.com>
6817 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
6820 2006-09-20 Janis Johnson <janis187@us.ibm.com>
6822 * doc/extend.texi (Decimal Float): Update for latest draft TR,
6823 clean up terminology.
6825 2006-09-20 Steve Ellcey <sje@cup.hp.com>
6828 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
6829 with tablejumps in them.
6831 2006-09-20 Jakub Jelinek <jakub@redhat.com>
6834 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
6835 wrap it into TARGET_EXPR.
6837 2006-09-20 Eric Christopher <echristo@apple.com>
6839 * config/i386/i386.c (x86_fisttp): Remove.
6840 * config/i386/i386.h (x86_fisttp): Ditto.
6841 (TARGET_FISTTP): Ditto.
6843 2006-09-19 Eric Christopher <echristo@apple.com>
6845 * doc/tm.texi (OBJC_JBLEN): Describe.
6846 * config/i386/darwin.h (OBJC_JBLEN): Define.
6847 * config/rs6000/darwin.h: Ditto.
6849 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
6851 PR rtl-optimization/21299
6852 * reload1.c (reload): Purge invalid ASMs in the final pass.
6854 2006-09-19 Steve Ellcey <sje@cup.hp.com>
6857 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
6858 pointers as legitimate constants.
6860 2006-09-19 Paul Brook <paul@codesourcery.com>
6863 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
6865 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
6867 PR tree-optimization/28887
6868 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
6869 component parts from the reference.
6870 (gather_memory_references_ref): Record the reference without the
6871 nonaddressable component parts.
6873 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
6876 * c-opts.c (c_common_handle_option): Ignore the -std options
6877 if the input language is assembly.
6879 2006-09-17 Ira Rosen <irar@il.ibm.com>
6882 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
6884 (ptr_ptr_may_alias_p): Likewise.
6885 (record_record_differ_p): New function.
6886 (base_object_differ_p): Call record_record_differ_p.
6888 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6891 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
6892 away for the expr argument.
6894 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6897 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
6898 before using it for dumping after vectorizing loops.
6900 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
6901 Jack Howarth <howarth@bromo.med.uc.edu>
6904 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
6905 skip on error_mark_node.
6906 (rs6000_darwin64_record_arg_recurse): Likewise.
6908 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
6910 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
6911 * doc/rtl.texi: Remove related documentation.
6913 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
6915 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
6918 2006-09-15 Jim Wilson <wilson@specifix.com>
6920 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
6921 Handle symbol offsets same as they are handled in ia64_expand_move
6924 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
6926 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
6927 Add forgotten parameter to the fprintf call.
6929 2006-09-15 Steve Ellcey <sje@cup.hp.com>
6931 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
6933 2006-09-15 Uros Bizjak <uros@kss-loka.si>
6935 * doc/contrib.texi: Add my entry.
6937 2006-09-15 Nick Clifton <nickc@redhat.com>
6939 * doc/md.texi (Processor pipeline description): Fix typo in
6940 example of how to use the absence_set directive and reword the
6941 description to make it slightly easier to read.
6943 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
6945 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
6946 * loop-doloop.c (doloop_optimize): Use it to limit costs of
6947 expanding the number of iterations.
6948 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
6950 * cfgrtl.c (emit_insn_at_entry): New function.
6951 * rtl.h (emit_insn_at_entry): Declare it.
6952 * integrate.c (emit_initial_value_sets): Use it.
6954 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
6956 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
6958 (struct loop_work and related VEC declarations): Delete.
6959 (bfin_dump_loops): Print out new member bad.
6960 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
6961 (bfin_scan_loop): Don't recurse.
6962 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
6963 loops. No longer need to update outer loops if the current one is
6964 found bad. Move some validitiy checks to bfin_discover_loop.
6965 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
6966 but changed not to check for nesting. Also changed to use the new bad
6968 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
6969 time. Use bitmap based test to discover loop nesting.
6971 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
6973 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
6976 2006-09-14 Richard Guenther <rguenther@suse.de>
6977 Kazu Hirata <kazu@codesourcery.com>
6979 PR middle-end/28884.
6980 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
6981 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
6982 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
6983 with TARGET_FUNCTION_VALUE.
6985 2006-09-14 Anatoly Sokolov <aesok@post.ru>
6988 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
6990 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
6992 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
6995 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
6998 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
7001 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7003 * basic_block.h (bb_has_eh_pred): Fix comment.
7005 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
7007 * flow.c (calculate_global_regs_live): Invalidate eh registers
7008 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
7009 (propagate_block): Handle eh registers as if they were set at basic
7011 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
7013 * global.c (global_conflicts): Make eh registers to conflict with
7014 pseudos live at basic block begin.
7015 * basic_block.h (bb_has_eh_pred): New function.
7017 2006-09-13 Richard Sandiford <richard@codesourcery.com>
7019 PR rtl-optimization/28982
7020 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
7021 index of a PRE_MODIFY or POST_MODIFY address.
7022 * reload1.c (inc_for_reload): Use find_replacement on the original
7023 base and index registers.
7025 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
7027 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
7028 for -Os. Update __m128 alignment requirement.
7030 2006-09-13 Jan Hubicka <jh@suse.cz>
7032 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
7034 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
7036 PR rtl-optimization/28243
7037 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
7038 the insn to which the note was originally attached.
7040 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
7041 Roger Sayle <roger@eyesopen.com>
7043 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
7044 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
7045 on platforms that don't use dwarf for debug info.
7047 2006-09-12 Jason Merrill <jason@redhat.com>
7050 * builtins.c (expand_builtin_setjmp_receiver): Clobber
7051 hard_frame_pointer_rtx after using it to update the frame pointer.
7053 2006-09-12 Roger Sayle <roger@eyesopen.com>
7055 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
7056 (TARGET_ASM_CLOSE_PAREN): Likewise.
7057 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
7058 (TARGET_ASM_CLOSE_PAREN): Likewise.
7060 2006-09-12 Roger Sayle <roger@eyesopen.com>
7063 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
7064 frame information for frames larger than 512 Kbytes on Tru64 when
7065 using the native assembler.
7067 2006-09-12 Roger Sayle <roger@eyesopen.com>
7071 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
7072 and symbols. Instead use the implementation from cse.c's hash_rtx.
7074 2006-09-12 Jan Hubicka <jh@suse.cz>
7076 PR rtl-optimization/28071
7077 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
7078 (vect_transform_loop): Likewise.
7079 * tree-vectorizer.c (new_loop_vec_info): Likewise.
7080 (new_loop_vec_info): Likewise.
7081 (destroy_loop_vec_info): Likewise.
7082 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
7083 (create_stmt_ann): Likewise.
7084 (create_tree_ann): Rename to ...
7085 (create_tree_common_ann): ... this one; allocate only the common part
7087 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
7088 (get_value_handle): Likewise.
7089 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
7090 get_tree_common_ann.
7091 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
7092 (vinfo_for_stmt): Use stmt annotations.
7093 * tree-flow.h (tree_ann_common_t): New type.
7094 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
7095 (tree_ann, get_tree_ann, create_tree_ann): New.
7096 * tree-flow-inline.h (get_function_ann): Do more type checking.
7097 (stmt_ann): Likewise.
7098 (tree_ann): Rename to ...
7099 (tree_common_ann): ... this one; return ony common_ann
7100 (get_tree_ann): Rename to ...
7101 (tree_common_ann): This one; return only common_ann.
7102 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
7105 2006-09-11 Geoffrey Keating <geoffk@apple.com>
7107 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
7108 with_cpu by default.
7110 * dwarf2out.c (dwarf_file_data): New.
7111 (enum dw_val_class): Add dw_val_class_file.
7112 (struct dw_val_struct): Add val_file.
7113 (file_table): Change to a hash table.
7114 (file_table_emitted): Delete.
7115 (file_table_last_lookup_index): Delete.
7116 (emitcount): Delete.
7117 (last_emitted_file): New.
7118 (lookup_filename): Change prototype to return a struct dwarf_file_data.
7119 (init_file_table): Delete.
7120 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
7121 (AT_addr): Add comment.
7125 (print_die): Handle dw_val_class_file.
7126 (print_dwarf_line_table): Update for new file table structure.
7127 (attr_checksum): Do checksum a filename.
7128 (same_dw_val_p, same_attr_p): Do compare a filename.
7129 (size_of_die): Handle dw_val_class_file.
7130 (value_format): Likewise.
7131 (output_die): Likewise. Also, call maybe_emit_file here.
7132 (struct file_info): Constify filenames. Make file_idx a pointer
7133 to a struct dwarf_file_data.
7134 (struct dir_info): Constify directory names. Remove 'used' field.
7135 (struct file_name_acquire_data): New.
7136 (file_name_acquire): New.
7137 (output_file_names): Modify to handle new file data structures.
7138 (add_src_coords_attributes): Use add_AT_file.
7139 (add_call_src_coords_attributes): Likewise.
7140 (dwarf2out_imported_module_or_decl): Likewise.
7141 (gen_subprogram_die): Modify for new file data structures.
7142 (gen_variable_die): Likewise.
7143 (file_table_eq): New.
7144 (file_table_hash): New.
7145 (file_table_last_lookup): New.
7146 (lookup_filename): Rewrite to handle new file data structures.
7147 (maybe_emit_file): Rewrite to handle new file data structures.
7148 (dwarf2out_source_line): Always call lookup_filename and
7150 (dwarf2out_init): Create file_table here.
7151 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
7152 (file_table_relative_p): New.
7153 (dwarf2out_finish): Change detection of relative filenames
7154 to work with new file data structures. Move output_line_info call
7155 after debug_info output.
7157 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
7162 * config/i386/i386.c (override_options): Always default to 16
7163 byte stack boundary.
7165 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
7168 * var-tracking.c (dump_dataflow_set): Start dumping at
7170 (clobber_variable_part): Kill only the variable part in
7171 registers holding it, leaving other variables alone.
7173 2006-09-11 Josh Triplett <josh@freedesktop.org>
7175 * doc/extend.texi (Other Builtins): Actually use the macro
7176 argument in the documentation example for
7177 __builtin_types_compatible_p.
7179 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7181 PR rtl-optimization/28726
7182 * sched-deps.c (sched_analyze_reg): New function extracted from...
7183 (sched_analyze_1): ...here. Call it to analyze references to
7184 registers. Treat again writes to a stack register as writing to the
7186 (sched_analyze_2): ...and here. Call it to analyze references to
7187 registers. Treat again reads of a stack register as reading the
7190 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
7191 David Edelsohn <edelsohn@gnu.org>
7194 * config/rs6000/spe.md (frob_df_di): Remove %H.
7195 (frob_di_df): Remove %H. Change evmergelo to mr.
7196 (frob_di_df_2): Remove %H. Change evldd to two loads.
7198 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
7200 * doc/cpp.texi: Fix names of charset options.
7202 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
7205 * config/i386/i386.c (override_options): Use 128-bit
7206 stack boundary always for 64bits.
7208 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7210 PR rtl-optimization/28636
7211 * combine.c (force_to_mode): Test for side-effects before
7212 substituting by zero.
7213 (simplify_shift_const): Likewise for zero or other constants.
7215 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
7218 * builtins.c (expand_builtin_setjmp): Force next_lab to be
7221 2006-09-10 Richard Sandiford <richard@codesourcery.com>
7224 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
7225 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
7226 returned by mode_for_size, rather than the mode of src itself,
7227 to choose between 32-bit and 64-bit patterns.
7228 (mips_mem_fits_mode_p): New function.
7229 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
7230 that the size of the source matches the size of the destination.
7231 (mov_<store>l, mov_<store>r): Likewise.
7233 2006-09-10 Eric Christopher <echristo@apple.com>
7235 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
7238 2006-09-09 Eric Christopher <echristo@apple.com>
7241 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
7244 2006-09-09 Roger Sayle <roger@eyesopen.com>
7245 Nicolas Setton <setton@adacore.com>
7247 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
7249 2006-09-10 Andreas Schwab <schwab@suse.de>
7251 * config/m68k/m68k.md (bungt_rev): New pattern.
7253 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
7254 Dale Johannesen <dalej@apple.com>
7257 * regclass.c (struct reg_pref): Update documentation.
7258 (regclass): Set prefclass to NO_REGS if memory is the best option.
7259 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7261 2006-09-08 Eric Christopher <echristo@apple.com>
7263 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
7264 * config/t-slibgcc-darwin: Support x86_64 multilib.
7265 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
7266 Return 1 for x86_64-darwin.
7267 * config/i386/t-darwin: Add m64 multilib.
7268 (LIB2_SIDITI_CONV_FUNCS): Use.
7269 (LIB2FUNCS_EXTRA): Ditto.
7270 * config/i386/darwin.h: Support x86_64.
7271 * config/i386/i386.c (override_options): Turn on flag_pic
7272 for x86_64-darwin. Disable flag_omit_pointer.
7273 (get_pc_thunk_name): Assert !TARGET_64BIT.
7274 (legitimate_address_p): Disable machopic addressing for
7276 (legitimize_pic_address): Ditto.
7277 (ix86_expand_move): Ditto.
7278 (ix86_expand_call): Ditto.
7279 (machopic_output_stub): Ditto.
7280 * config/darwin.c (machopic_select_section): Support literal16.
7281 (machopic_select_rtx_section): Ditto.
7282 * config/darwin-sections.def: Ditto.
7283 * config/darwin-64.c: New.
7285 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
7288 * c-tree.h (struct c_arg_info): Add pending_sizes.
7289 * c-parser.c (c_parser_parms_declarator,
7290 c_parser_parms_list_declarator): Initialize pending_sizes.
7291 * c-decl.c (get_parm_info): Initialize pending_sizes.
7292 (get_parm_info): Set pending_sizes.
7293 (grokdeclarator): Call put_pending_sizes for parameters for
7294 function definition only.
7296 2006-09-07 Jason Merrill <jason@redhat.com>
7299 * varasm.c (output_constant): Only strip actual no-op conversions.
7302 * config/i386/i386.c (override_options): Use 128-bit
7303 stack boundary if -msse.
7305 2006-09-07 Eric Christopher <echristo@apple.com>
7307 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
7309 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
7312 2006-09-07 Geoffrey Keating <geoffk@apple.com>
7314 * dwarf2out.c: Remove strange characters from comment above
7315 dwarf2out_frame_debug_expr.
7317 2006-09-07 Eric Christopher <echristo@apple.com>
7319 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
7320 * config/darwin.h: ... to here.
7322 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
7324 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
7326 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
7327 (TARGET_PARTIAL_FLAG_REG_STALL): New.
7329 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
7330 TARGET_PARTIAL_FLAG_REG_STALL.
7331 (*ashldi3_cconly_rex64): Likewise.
7332 (*ashlsi3_cmp): Likewise.
7333 (*ashlsi3_cconly): Likewise.
7334 (*ashlsi3_cmp_zext): Likewise.
7335 (*ashlhi3_cmp): Likewise.
7336 (*ashlhi3_cconly): Likewise.
7337 (*ashlqi3_cmp): Likewise.
7338 (*ashlqi3_cconly): Likewise.
7339 (*ashrdi3_cmp_rex64): Likewise.
7340 (*ashrdi3_cconly_rex64): Likewise.
7341 (*ashrsi3_cmp): Likewise.
7342 (*ashrsi3_cconly): Likewise.
7343 (*ashrsi3_cmp_zext): Likewise.
7344 (*ashrhi3_cmp): Likewise.
7345 (*ashrhi3_cconly): Likewise.
7346 (*ashrqi3_cmp): Likewise.
7347 (*ashrqi3_cconly): Likewise.
7348 (*lshrdi3_cmp_rex64): Likewise.
7349 (*lshrdi3_cconly_rex64): Likewise.
7350 (*lshrsi3_cmp): Likewise.
7351 (*lshrsi3_cconly): Likewise.
7352 (*lshrsi3_cmp_zext): Likewise.
7353 (*lshrhi3_cmp): Likewise.
7354 (*lshrhi3_cconly): Likewise.
7355 (*lshrqi2_cmp): Likewise.
7356 (*lshrqi2_cconly): Likewise.
7358 2006-09-07 Uros Bizjak <uros@kss-loka.si>
7361 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
7362 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
7363 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
7364 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
7365 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
7366 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
7367 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
7368 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
7369 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
7370 implement only CC setting effects of shift instructions.
7372 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
7374 * doc/contrib.texi: Add myself.
7376 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
7379 * stor-layout.c (relayout_decl): Don't zero the alignment if it
7380 was set by the user.
7382 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
7385 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
7386 (divsi_inv_m1): Use them.
7387 (UNSPEC_DIV_INV_TABLE): New constant.
7389 2006-09-06 James E Wilson <wilson@specifix.com>
7392 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
7393 then call count_or_remove_death_notes.
7395 2006-09-06 Jason Merrill <jason@redhat.com>
7398 * tree-inline.c (copy_result_decl_to_var): New fn.
7399 (declare_return_variable): Use it. Call declare_inline_vars here.
7400 (expand_call_inline): Not here.
7402 2006-09-06 Diego Novillo <dnovillo@redhat.com>
7404 * doc/contrib.texi: Update my entry.
7406 2006-09-06 Nick Clifton <nickc@redhat.com>
7408 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
7410 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7413 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
7414 (canonicalize_induction_variables): Likewise.
7415 (tree_unroll_loops_completely): Likewise.
7416 (tree_ssa_prefetch_arrays): Likewise.
7417 (remove_empty_loops): Likewise.
7418 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
7419 TODO_cleanup_cfg instead of directly calling
7420 cleanup_tree_cfg_loop.
7421 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
7423 (tree_unroll_loops_completely): Likewise.
7424 (remove_empty_loops): Likewise.
7425 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
7426 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
7427 of tree_ssa_unswitch_loops.
7428 (tree_ssa_loop_ivcanon): Use the return value of
7429 canonicalize_induction_variables.
7430 (tree_ssa_empty_loop): Use the return value of
7432 (tree_complete_unroll): Use the return value of
7433 tree_unroll_loops_completely.
7434 (tree_ssa_loop_prefetch): Use the return value of
7435 tree_ssa_prefetch_arrays.
7436 * passes.c (execute_todo): Before Cleanup CFG, set
7437 updating_used_alone and after cleanup CFG, call
7438 recalculate_used_alone.
7440 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
7443 * tree-vect-transform.c (vectorizable_condition): Move the check
7444 for the type after the check for simple condition.
7446 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
7447 Kaz Kojima <kkojima@gcc.gnu.org>
7450 * mode-switching.c (optimize_mode_switching): Make the destination
7451 block of an abnormal edge have no anticipatable mode. Don't
7452 insert mode switching code at the end of the source block of
7455 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
7457 PR rtl-optimization/26847
7458 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
7459 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
7460 (simplify_plus_minus): Count n_constants while filling ops. Replace
7461 qsort with insertion sort. Before going through the array to simplify
7462 pairs, sort it. Delay early exit until after the first sort, exiting
7463 only if no swaps occurred. Simplify pairs in reversed order, without
7464 special-casing the first iteration. Pack ops after simplifying pairs.
7466 2006-09-05 Anatoly Sokolov <aesok@post.ru>
7468 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
7469 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7470 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7471 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
7473 2006-09-05 Richard Guenther <rguenther@suse.de>
7475 PR tree-optimization/28900
7476 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
7477 compound conditional before creating COND_EXPR condition.
7479 2006-09-05 Richard Guenther <rguenther@suse.de>
7481 PR tree-optimization/28905
7482 * tree-vrp.c (fix_equivalence_set): Manually implement
7483 !value_ranges_intersect_p to also handle symbolic ranges.
7485 2006-09-05 Richard Guenther <rguenther@suse.de>
7488 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
7491 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7493 PR rtl-optimization/27616
7494 * cse.c (table_size): New static variable.
7495 (new_basic_block): Initialize it to 0.
7496 (remove_from_table): Decrement it.
7497 (insert): Increment it.
7498 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
7499 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
7500 fold_rtx_mem_1 if under the cap.
7501 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
7502 the lookup of the equivalent expression and test for equality of the
7503 first operand of the equivalent expression before in turn looking up
7504 an equivalent constant for the second operand.
7506 2006-09-02 Geoffrey Keating <geoffk@apple.com>
7509 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7510 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7511 pointer, instead of assuming it is possible to derive the
7512 correct args size from a call insn.
7514 2006-09-02 Jakub Jelinek <jakub@redhat.com>
7517 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
7518 (fold_builtin_mempcpy): Rename to...
7519 (fold_builtin_memory_op): ... this. Optimize one element copy
7521 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
7523 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
7524 (expand_builtin_memcpy, expand_builtin_mempcpy,
7525 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
7526 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
7527 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
7528 BUILT_IN_MEM{CPY,PCPY,MOVE}.
7530 2006-09-01 DJ Delorie <dj@redhat.com>
7532 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
7533 (stzx_16): Likewise.
7534 ("stzx_24_<mode>"): Likewise.
7535 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
7536 ("cmp<mode>_op"): New.
7537 (cmp<mode>): Change to expander; just save operands.
7539 (b<code>): Change to expander, emit compare here.
7540 (s<code>_op): Change to use split and expander.
7541 (s<code>_24_op): Likewise.
7542 (s<code>_<mode>): New.
7543 (s<code>_<mode>_24): New.
7544 (movqicc_<code>_<mode): New.
7545 (movhicc_<code>_<mode>): New.
7548 * config/m32c/m32c.c (compare_op0, compare_op1): New.
7549 (m32c_pend_compare): New.
7550 (m32c_unpend_compare): New.
7551 (m32c_expand_scc): New.
7552 (m32c_expand_movcc): Emit the compare also.
7553 * config/m32c/predicates.md (mra_nopp_operand): New.
7555 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
7556 Richard Guenther <rguenther@suse.de>
7557 Adam Nemet <anemet@caviumnetworks.com>
7560 * builtins.c (get_pointer_alignment): Handle more forms
7561 of base addresses that can be used to derive more precise
7562 information about alignment.
7564 2006-09-01 Jason Merrill <jason@redhat.com>
7567 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
7570 * gimplify.c (voidify_wrapper_expr): Handle null type.
7572 2006-09-01 Josh Conner <jconner@apple.com>
7575 * tree-nrv.c (dest_safe_for_nrv_p): New function.
7576 (execute_return_slot_opt): Use it.
7578 2006-08-31 Josh Conner <jconner@apple.com>
7581 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
7582 returning aggregates.
7584 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
7586 PR tree-optimization/28839
7587 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
7588 blocks in that phi arguments appear.
7590 2006-08-31 Roger Sayle <roger@eyesopen.com>
7593 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
7594 NULL, otherwise use an advance_loc4 to adjust relative to the
7596 (output_cfi) <DW_CFA_set_loc>: Update the current label.
7597 (dwarf2out_switch_text_section): Reset the current label to avoid
7598 using advance_loc4 over section boundaries.
7600 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
7603 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
7604 r12 + SYMBOLIC_CONST.
7606 2006-08-30 Richard Guenther <rguenther@suse.de>
7608 * Makefile.in (see.o): Add $(EXPR_H) dependency.
7610 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
7612 PR rtl-optimization/27735
7613 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
7614 Add new argument to keep track of whether an irreducible region
7615 was affected. All callers changed.
7616 (fix_irreducible_loops): Removed.
7617 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
7618 flags were invalidated.
7620 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
7622 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
7623 instead of SF operands.
7624 (*fop_df_comm_sse): Likewise.
7625 (*fop_df_comm_i387): Likewise.
7626 (*fop_df_1_mixed): Likewise.
7627 (*fop_df_1_sse): Likewise.
7629 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
7630 J"orn Rennecke <joern.rennecke@st.com>
7632 PR tree-optimization/17506
7633 * tree-ssa.c (warn_uninit): If warning about a location outside of
7634 the current function, note where the variable was declared.
7636 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
7638 PR tree-optimization/28411
7639 * double-int.c (double_int_div): Use double_int_divmod.
7640 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
7641 double_int_mod, double_int_smod, double_int_umod): New functions.
7642 * double-int.h (double_int_divmod, double_int_sdivmod,
7643 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
7645 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
7647 (get_computation_aff, get_computation_cost_at): Handle double_int
7648 return type of constant_multiple_of.
7650 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
7653 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
7654 an implicit conversion.
7656 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
7658 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
7660 2006-08-27 Roger Sayle <roger@eyesopen.com>
7662 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
7665 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
7667 * config/i386/crtfastmath.c: Fix a comment typo.
7669 2006-08-26 Roger Sayle <roger@eyesopen.com>
7671 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
7672 temporary visit flags on CASE_LABEL_EXPRs.
7673 * c-common.c (match_case_to_enum): Add function comment. Avoid
7674 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
7675 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
7676 CASE_HIGH_SEEN for enumerated types. If the switch expression is
7677 a constant, only warn if that constant value isn't handled.
7679 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
7682 * input.h (restore_input_file_stack): Declare.
7683 (INPUT_FILE_STACK_BITS): Define.
7684 * toplev.c (fs_p, input_file_stack_history,
7685 input_file_stack_restored, restore_input_file_stack): New.
7686 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
7687 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
7688 (pop_srcloc): Don't free old state of stack.
7690 2006-08-26 David Edelsohn <edelsohn@gnu.org>
7693 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
7694 (PowerPC Type Attributes): New.
7696 2006-08-26 Bob Wilson <bob.wilson@acm.org>
7698 * config/xtensa/xtensa.c (function_arg_boundary): New.
7699 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
7701 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
7702 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
7704 2006-08-26 Jakub Jelinek <jakub@redhat.com>
7707 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
7710 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7712 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
7713 (verify_local_live_at_start): Likewise.
7715 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7718 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
7719 omp_add_variable): Treat sizes as variable whenever not
7722 2006-08-26 Richard Guenther <rguenther@suse.de>
7725 * fold-const.c (fold_binary): Fold temporary to correct
7726 type before constructing new comparison.
7728 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
7731 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
7732 variable again if DECL_SEEN_IN_BIND_EXPR_P.
7734 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
7737 * c-decl.c (start_function): Don't try to process prototype
7738 information from old declaration that isn't a function.
7740 2006-08-25 Jan Hubicka <jh@suse.cz>
7743 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
7745 2006-08-25 Alan Modra <amodra@bigpond.net.au>
7748 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
7751 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
7753 PR tree-optimization/16876
7754 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
7755 exit if PARM doesn't match VALUE.
7757 2006-08-25 Bob Wilson <bob.wilson@acm.org>
7759 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
7760 literal_prefix directive.
7761 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
7762 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7763 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
7765 2006-08-25 David Edelsohn <edelsohn@gnu.org>
7768 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
7769 predicate to general_operand. Add 0->y and I->r alternatives.
7771 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
7773 * doc/tm.texi: Fix a typo.
7774 * predict.c: Fix comment typos.
7776 2006-08-25 Nick Clifton <nickc@redhat.com>
7778 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
7779 assertions of "cpu" and "machine".
7781 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
7784 * tree-ssa-operands.c (access_can_touch_variable): Don't say
7785 the access through a base which has an alias set of 0 cannot
7788 2006-08-24 Bill Wendling <wendling@apple.com>
7790 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
7792 2006-08-24 Jan Hubicka <jh@suse.cz>
7794 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
7796 2006-08-24 Jan Hubicka <jh@suse.cz>
7799 * cgraph.c: Fix comments.
7800 (cgraph_varpool_mark_needed_node): Mark only variables not already
7802 * cgraphunit.c: Update comments; include gt-cgraphunit.h
7803 (cgraph_varpool_assembled_nodes_queue): New static variable.
7804 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
7805 (cgraph_varpool_output_debug_info): New function.
7806 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
7807 * Makefile.in: Add gt-cgraphunit.h
7809 2006-08-24 Jan Hubicka <jh@suse.cz>
7811 * predict.c (probability_reliable_p): New predicate.
7812 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
7813 (predict_loops): Do not predict loop exit with less than 2%
7815 * basic-block.h (edge_probability_reliable_p,
7816 br_prob_note_reliable_p): Declare.
7817 * ia64.h (ia64_print_operand): Do not disable on-chip branch
7818 prediction when static predictor is not reliable.
7819 * rs6000.c (output_cbranch): Likewise.
7821 2006-08-23 Stuart Hastings <stuart@apple.com>
7824 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
7825 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
7827 2006-08-21 Geoffrey Keating <geoffk@apple.com>
7830 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
7831 complex values, nor for generic vector values.
7833 2006-08-22 Richard Guenther <rguenther@suse.de>
7836 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
7837 parameter. Convert arguments to arithmetic expression to the
7839 (analyze_scalar_evolution_1): Adjust caller.
7841 2006-08-22 Jan Hubicka <jh@suse.cz>
7843 Patch by Paolo Bonzini
7844 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
7847 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
7849 PR tree-optimization/28003
7850 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
7851 before grouping aliases.
7853 2006-08-22 Roger Sayle <roger@eyesopen.com>
7855 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
7856 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
7858 2006-08-21 Jason Merrill <jason@redhat.com>
7861 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
7862 wrapper. Loop to handle nested wrappers.
7863 (gimplify_bind_expr): Remove temp parameter.
7864 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
7865 and STATEMENT_LIST on the rhs.
7866 (gimplify_statement_list): Voidify the STATEMENT_LIST.
7867 (gimplify_expr): Pass pre_p to gimplify_statement_list.
7868 (gimplify_target_expr): Remove special BIND_EXPR handling.
7870 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
7872 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
7875 2006-08-21 Olivier Hainque <hainque@adacore.com>
7877 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
7878 Arrange for the temporary captures of components overlapping the lhs
7879 to happen before the lhs is possibly cleared.
7881 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
7883 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
7884 necessary places to pass the correct "number of registers" values
7887 2006-08-20 Jan Hubicka <jh@suse.cz>
7889 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
7890 (create_name_tags): Instead of quadratic checking use hashtable.
7891 * bitmap.h: Include hashtab.h.
7892 (bitmap_hash): Declare.
7893 * bitmap.c (bitmap_hash): New function.
7895 2006-08-20 Jan Hubicka <jh@suse.cz>
7897 PR rtl-optimization/28071
7898 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
7900 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
7901 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
7902 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
7903 cgraph_decide_inlining_incrementally): Update use of
7904 cgraph_check_inline_limits.
7905 * cgraph.c (edge_hash, edge_eq): New function.
7906 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
7907 cgraph_edge_remove_caller, cgraph_node_remove_callees,
7908 cgraph_remove_node): Maintain call site hash.
7909 * cgraph.h (struct cgraph_node): Add call_site_hash.
7910 (cgraph_set_call_stmt): New function.
7912 2006-08-20 Jan Hubicka <jh@suse.cz>
7914 PR rtl-optimization/28071
7915 * reload1.c (reg_has_output_reload): Turn into regset.
7916 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
7917 choose_reload_regs, emit_reload_insns): Update to new
7918 reg_has_output_reload.
7920 2006-08-20 Jan Hubicka <jh@suse.cz>
7923 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
7924 function body sizes.
7925 * cgraphunit.c (cgraph_analyze_function): Don't do so.
7927 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
7930 * tree.c (handle_dll_attribute): Return early if not a
7931 var or function decl.
7933 2006-08-18 Joseph Myers <joseph@codesourcery.com>
7936 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
7937 alignment of SPE vector types.
7939 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
7941 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
7943 2006-08-17 Jakub Jelinek <jakub@redhat.com>
7946 * cgraph.h (struct cgraph_node): Remove externally_visible
7948 * cgraphunit.c (process_function_and_variable_attributes): Set
7949 local.externally_visible rather than externally_visible.
7952 * c-common.c (handle_externally_visible_attribute): First look
7953 at TREE_CODE and only if it is function or var decl, check for
7954 non-public objects. Don't warn for DECL_EXTERNAL.
7955 * cgraphunit.c (process_function_and_variable_attributes): Warn
7956 if externally_visible attribute is used on non-public object.
7958 2006-08-17 Jan Hubicka <jh@suse.cz>
7960 PR tree-optimization/27865
7961 * reload1.c (forget_marked_reloads): New function.
7962 (forget_old_reloads_1): When data are passed, just mark the registers
7964 (reload_as_needed): Use the new mechanizm.
7966 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
7969 * reload.h (reg_equiv_alt_mem_list): New declaration.
7970 * reload1.c (reg_equiv_alt_mem_list): New definition.
7971 (reload): Initialize it and release it.
7972 (delete_output_reload): Use it.
7973 * reload.c (push_reg_equiv_alt_mem): New function.
7974 (find_reloads_toplev): Call it.
7975 (find_reloads_address, find_reloads_address_1): Likewise.
7976 (find_reloads_subreg_address): Likewise.
7978 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7980 PR rtl-optimization/28489
7981 * sched-ebb.c (begin_schedule_ready): Create basic block
7983 (advance_target_bb): Skip empty blocks.
7984 * haifa-sched.c (bb_note): Make global.
7985 * sched-int.h (bb_note): Add prototype.
7987 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
7989 PR tree-optimization/27865
7990 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
7992 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
7993 fold_used_pointer, pointer_used_p): New functions.
7994 (analyze_scalar_evolution_1): Use fold_used_pointer.
7995 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
7996 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
7999 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
8002 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
8003 or the INTEGER_CST. Fail on a CALL_EXPR.
8004 (fold_offsetof): Pass new argument to fold_offsetof_1.
8005 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
8006 operand into an INDIRECT_REF.
8007 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
8009 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8011 PR gcov/profile/26570
8012 * value-prof.c (static_values): Removed.
8013 (tree_find_values_to_profile): Do not set static_values.
8014 (find_values_to_profile): Do not free static_values.
8015 * profile.c (instrument_values): Do not free the values.
8016 (branch_prob): Free the values.
8018 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
8020 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
8022 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
8025 * c-typeck.c (build_component_ref): Combine qualifiers of
8026 structure or union and field.
8028 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8030 PR rtl-optimization/28071
8031 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
8032 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
8033 * tree-into-ssa.c (struct dom_dfsnum): New.
8034 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
8036 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
8037 compute_global_livein.
8038 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
8039 in phi nodes in the correct blocks.
8041 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
8043 PR tree-optimization/28364
8044 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
8046 (fold_affine_expr): New function.
8047 (may_eliminate_iv): Use fold_affine_expr.
8049 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8052 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
8055 2006-08-16 Mike Stump <mrs@apple.com>
8057 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
8058 * doc/cppopts.texi (-MD): Likewise.
8060 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
8063 * c-common.c (handle_weak_attribute): Ignore and warn if
8064 not a FUNCTION_ or VAR_DECL.
8066 2006-07-15 Mike Stump <mrs@apple.com>
8069 * c-parser.c (c_parser_typeof_specifier): Don't use
8070 c_finish_expr_stmt, open code desired semantics instead.
8072 2006-08-15 Nick Clifton <nickc@redhat.com>
8074 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
8075 fragment to tmake_file only if threads are enabled.
8076 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
8077 * config/i386/t-gthr-win32: New file. ... here.
8079 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8082 * c-parser.c (c_parser_compound_statement_nostart): Reset
8083 parser->error after each statement.
8085 2006-08-15 Jakub Jelinek <jakub@redhat.com>
8088 * omp-low.c (lower_omp_parallel): Convert t to
8089 receiver_decl's type.
8090 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
8091 source before comparison.
8094 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
8095 to itype in assignment to oldival2.
8097 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
8101 * c-typeck.c (build_compound_expr): If the second expression
8102 is an error mark, then just return an error mark instead of
8103 creating a COMPOUND_EXPR.
8105 2006-07-14 Mike Stump <mrs@apple.com>
8107 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
8109 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
8111 * c-decl.c, var-tracking.c: Fix comment typos.
8113 2006-08-14 Richard Sandiford <richard@codesourcery.com>
8115 PR rtl-optimization/28634
8116 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
8117 for floating-point modes unless flag_unsafe_math_optimizations.
8119 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
8120 Andrew Pinski <pinskia@physics.uc.edu>
8123 * tree.c (build_array_type): Unify array types with
8124 unspecified index_type.
8125 * c-decl.c (grokdeclarator): Make sure we do not modify a
8126 unified incomplete array type.
8127 * c-typeck.c (store_init_value): Create distinct type before
8128 filling in the index type in an initializer from a compound
8131 * c-decl.c (grokdeclarator): Remove code where we copy the
8134 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
8136 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
8137 into account for TODO_dump_cgraph.
8138 (TODO_update_ssa_no_phi): Likewise.
8139 (TODO_update_ssa_full_phi): Likewise.
8140 (TODO_update_ssa_only_virtuals): Likewise.
8141 (TODO_remove_unused_locals): Likewise.
8142 (TODO_set_props): Likewise.
8143 (TODO_update_stmt_usage): Likewise.
8145 2006-08-13 Dirk Mueller <dmueller@suse.de>
8147 * c-common.c (strict_aliasing_warning): Fix formatting.
8149 2006-08-13 Matthias Klose <doko@debian.org>
8151 * doc/invoke.texi: Fix spelling errors.
8153 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8155 PR rtl-optimization/23454
8156 * reorg.c (relax_delay_slots): Update comment.
8158 2006-08-11 Richard Guenther <rguenther@suse.de>
8161 * simplify-rtx.c (simplify_const_relational_operation):
8162 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
8165 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
8167 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
8168 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
8170 2006-08-10 Paul Brook <paul@codesourcery.com>
8172 * final.c (final_scan_insn): Clear current_insn_predicate before
8173 outputting inline asm.
8175 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
8177 PR tree-optimization/26197
8178 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
8179 get_ref_base_and_extent and overlap_subvar to add only relevant
8180 subvars as may-aliases.
8181 (add_may_alias_for_new_tag): New function, factored out of
8183 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
8184 with additional argument.
8185 * tree-flow.h (new_type_alias): Takes additional argument.
8187 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
8189 * gcov.c (no_data_file): New flag.
8190 (read_count_file): Set it if data file not present. Assume counts
8192 (output_lines): Don't name the data file, if there wasn't one.
8194 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
8196 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
8197 (rs6000_generate_compare): Tweak comments.
8198 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
8200 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
8202 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
8203 (var_debug_decl): New function.
8204 (var_reg_set): Follow debug decl link. Add location even if
8205 reg is already known to hold some other variable.
8206 (var_mem_set): Follow debug decl link.
8207 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
8208 decl link. Delete other known locations of the variable part
8210 (var_reg_delete, var_mem_delete): Delete other known locations
8211 of the variable part if requested.
8212 (same_variable_part_p): New function.
8213 (add_stores): Select MO_COPY when appropriate.
8214 (vt_initialize): Handle it.
8215 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
8216 known locations for MO_SET and MO_CLOBBER.
8217 (find_variable_location_part): New function.
8218 (set_variable_part, delete_variable_part): Use it.
8219 (clobber_variable_part): New function.
8220 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
8223 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
8225 PR tree-optimization/26969
8226 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
8227 with an empty list of PHIs.
8229 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
8233 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
8236 2006-08-06 Andreas Schwab <schwab@suse.de>
8238 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
8239 string. Whitespace and comment fixup.
8241 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8244 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
8248 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
8251 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
8253 2006-08-04 Jan Hubicka <jh@suse.cz>
8257 * reload.c (push_reload): Patch out the mismatching instruction;
8259 (find_reload): Bail out if the instruction was patched out.
8261 2006-08-04 Jan Hubicka <jh@suse.cz>
8263 PR tree-optimization/24888
8264 * tree-inline.c (expand_call_inline): Do not re-record variables.
8265 (declare_inline_vars): Add variable to unexpanded_var_list.
8267 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8268 Roger Sayle <roger@eyesopen.com>
8270 PR rtl-optimization/26244
8271 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
8272 inner_const are negative or greater than or equal to the bitsize of
8273 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
8274 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
8275 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
8276 CONST0_RTX (mode) when the new shift count is greater than or equal to
8277 to the bitsize of the object being shifted and XEXP (y, 0) has no side
8280 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
8282 * tree-cfg.c: Fix a comment typo.
8284 2006-08-03 Mark Mitchell <mark@codesourcery.com>
8287 * varasm.c (output_constant): Give the front end another chance to
8288 expand constants, after stripping NOPs.
8290 2006-08-03 Jan Hubicka <jh@suse.cz>
8292 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
8295 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
8297 PR tree-optimization/27770
8298 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
8299 declaration removed (moved to tree-flow.h).
8300 (vect_can_force_dr_alignment_p): Likewise.
8301 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
8302 (moved from tree-vectorizer.h).
8303 (vect_can_force_dr_alignment_p): Likewise.
8304 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
8305 from outside the vectorizer - in particular from cgraph stage.
8306 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
8307 the alignment of global arrays when -fsection-anchors is enabled.
8308 * cgraphunit.c (cgraph_increase_alignment): New function.
8309 (cgraph_optimize): Call cgraph_increase_alignment.
8311 2006-08-03 David Edelsohn <edelsohn@gnu.org>
8314 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
8315 not reload a SPE symbol_ref into a lo_sum address.
8317 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
8320 * dwarf2out.c (prune_unused_types_prune): Move call to
8321 prune_unused_types_update_strings to cover the parent DIE also.
8323 2006-08-02 Jan Hubicka <jh@suse.cz>
8325 PR gcov/profile/28480
8326 * tree-cfg.c (change_bb_for_stmt): New function.
8327 (tree_merge_blocks, tree_split_blocks): Use it.
8329 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8335 * toplev.c (compile_file): Return early on errorcount or sorrycount.
8336 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
8337 (cgraph_optimize): Likewise.
8339 2006-08-01 Stuart Hastings <stuart@apple.com>
8341 * rtl.h (UINTVAL) New.
8342 * config/rs6000/rs6000.c (SMALL_INT) Use it.
8343 * testsuite/gcc.dg/20060801-1.c: New.
8345 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
8348 * c-typeck.c (build_external_type): Mark used enum types.
8349 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
8351 (gen_subprogram_die): Whitespace fix.
8353 2006-08-01 Jan Hubicka <jh@suse.cz>
8355 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
8356 bitmap when not needed.
8357 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
8360 2006-08-01 Dirk Mueller <dmueller@suse.de>
8362 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
8364 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8366 * Makefile.in: Revert part of previous patch:
8367 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
8370 2006-07-30 Eric Christopher <echristo@apple.com>
8373 * doc/extend.texi (i386 Variable Attributes): Add anchor.
8374 (PowerPC Variable Attributes): New section.
8376 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
8378 PR target/28126 (partial fix)
8379 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
8381 2006-07-28 Jan Hubicka <jh@suse.cz>
8383 PR rtl-optimization/28071
8384 * cfgrtl.c (rtl_delete_block): Free regsets.
8385 * flow.c (allocate_bb_life_data): Re-use regsets if available.
8387 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8389 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
8390 and variables used in dependencies.
8392 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
8394 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
8395 %fs for -mcmodel=kernel.
8396 (stack_tls_protect_test_di): Likewise.
8398 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
8400 * Makefile.in: Use mkinstalldirs.
8402 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
8405 * opts-common.c (prune_options): Skip joined switches.
8407 2006-07-27 Jan Hubicka <jh@suse.cz>
8409 PR rtl-optimization/28071
8410 * cselib.c (cselib_process_insn): Don't remove useless values too
8411 often for very large hashtables.
8413 2006-07-27 Jan Hubicka <jh@suse.cz>
8415 PR rtl-optimization/28071
8416 * global.c (greg_obstack): New obstack.
8417 (allocate_bb_info): Use it.
8418 (free_bb_info): Likewise.
8419 (modify_reg_pav): Likewise.
8421 2006-07-27 Roger Sayle <roger@eyesopen.com>
8423 * builtins.c (fold_fixed_mathfn): When long and long long are the
8424 same size, canonicalize llceil*, llfloor*, llround* and llrint*
8425 functions to their lceil*, lfloor*, lround* and lrint* forms.
8427 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8430 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
8432 (rev_branch_insn): Likewise.
8434 2006-07-27 Jan Hubicka <jh@suse.cz>
8436 PR rtl-optimization/28071
8437 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
8438 (reg_set_in_bb, max_reg_computed): New static variables.
8439 (regmove_optimize): Free the new array.
8440 (fixup_match_1): Update call of reg_is_remote_constant_p.
8442 2006-07-26 Jan Hubicka <jh@suse.cz>
8444 PR tree-optimization/27882
8445 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
8447 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
8449 (cgraph_analyze_compilation_unit): Likewise.
8450 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
8451 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
8452 (cgraph_early_inlinine): Make order garbage collected.
8453 * Makefile.in (gt-ipa-inline): New garbagecollected file.
8455 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8457 * dbxout.c (output_types_sort): Add a comment.
8458 (output_used_types): Free the VEC.
8460 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
8462 * function.c (reorder_fix_fragments): Delete.
8463 (reorder_blocks): Don't call it.
8464 (reorder_blocks_1): Put all subblocks under the origin block.
8466 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
8468 PR rtl-optimization/27907
8469 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
8472 2006-07-25 Roger Sayle <roger@eyesopen.com>
8475 * convert.c (convert_to_integer): When transforming (T)foo(x) into
8476 bar(x) check that bar's result type can represent all the values of T.
8478 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
8480 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
8482 2006-07-25 Nick Clifton <nickc@redhat.com>
8484 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
8485 size_lookup[] array.
8486 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
8487 (ggc_pch_count_object): Likewise.
8488 (ggc_pch_alloc_object): Likewise.
8489 (ggc_pch_write_object): Likewise.
8490 (init_ggc): Do not attempt to initialize entries in the
8491 size_lookup[] array for objects whose size is greater than than
8492 the length of the array.
8494 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
8496 * dbxout.c (output_used_types_helper): Push queued types
8498 (output_types_sort): New.
8499 (output_used_types): Collect used types on a VEC and sort them
8502 2006-07-24 Richard Guenther <rguenther@suse.de>
8505 * cgraph.c (cgraph_remove_node): Do not check if dumps
8507 * cgraphunit.c (cgraph_optimize): Likewise.
8509 2006-07-24 Jan Hubicka <jh@suse.cz>
8511 PR rtl-optimization/28071
8512 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
8513 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
8514 splitting before first stmt.
8516 2006-07-24 Jan Hubicka <jh@suse.cz>
8518 PR rtl-optimization/28071
8519 * ipa-inline.c (update_caller_keys): Remove edges that
8520 are no longer inline candidates.
8522 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
8525 * dbxout.c (output_used_types_helper, output_used_types): New.
8526 (dbxout_symbol): Call output_used_types.
8528 2006-07-23 Jan Hubicka <jh@suse.cz>
8532 * cgraph.c (cgraph_varpool_nodes): Export.
8533 (decide_is_variable_needed): Ignored "used" attribute in
8534 unit-at-a-time mode.
8535 * cgraph.h (cgraph_varpool_nodes): Declare.
8536 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
8537 unit-at-a-time mode.
8539 2006-07-23 Roger Sayle <roger@eyesopen.com>
8542 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
8543 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
8544 the __gthrw form of thr_keycreate.
8545 (__gthread_key_delete): Silence the unused argument warning.
8547 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
8550 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
8551 Cache the last found '\0' marker to avoid quadratic behavior.
8553 2006-07-23 Jan Hubicka <jh@suse.cz>
8555 * i386.md (subsi_3_zext): Fix output template.
8557 2006-07-21 Mike Stump <mrs@apple.com>
8559 * doc/invoke.texi (C++ Dialect Options): Note that
8560 -fvisibility-inlines-hidden doesn't affect explicitly
8561 instantiationed inline methods.
8563 2006-07-20 Roger Sayle <roger@eyesopen.com>
8565 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
8566 if the target assembler is GNU binutils' gas.
8567 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
8568 whether to pass GNU gas or native as command line options.
8570 2006-07-20 Jason Merrill <jason@redhat.com>
8572 * tree.c (remove_attribute): New fn.
8573 * tree.h: Declare it.
8575 2006-07-20 Paul Brook <paul@codesourcery.com>
8578 * cse.c (cse_insn): Add destination addresses to hash table. Check if
8579 they are invalidated by this instruction.
8581 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
8584 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
8586 2006-07-20 Eric Christopher <echristo@apple.com>
8589 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
8591 2006-07-19 Eric Christopher <echristo@apple.com>
8593 * config/t-slibgcc-darwin (stmp-lipo): Remove.
8594 Rewrite dependencies for libgcc_s.1.dylib.
8596 2006-07-19 Jakub Jelinek <jakub@redhat.com>
8598 * except.c (duplicate_eh_regions_1): Clear next_peer.
8600 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
8602 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
8603 -mlongcall does not guarantee all calls will be long.
8604 * doc/extend.texi (long_call/short_call): Document that longcall
8605 does not guarantee a long call will be used.
8606 (longcall/shortcall): Likewise.
8608 2006-07-18 Roger Sayle <roger@eyesopen.com>
8611 * expmed.c (expand_shift): Additionally check that the shift_cost
8612 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
8613 before implementing a LSHIFT_EXPR as a sequence of additions.
8614 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
8615 middle-end that DImode shifts need to be synthesized by expand.
8617 2006-07-18 Diego Novillo <dnovillo@redhat.com>
8620 * tree-ssa-operands.c (access_can_touch_variable): Update
8622 Return true if ALIAS is .GLOBAL_VAR.
8624 2006-07-18 David Daney <ddaney@avtrex.com>
8626 * gcc.c (display_help): Fix typo in help text.
8628 2006-07-18 Olivier Hainque <hainque@adacore.com>
8630 * tree.h (categorize_ctor_elements): Adjust prototype and add
8631 descriptive comment, both in accordance with the interface change
8633 * varasm.c (constructor_static_from_elts_p): New function.
8634 Whether a constructor node is a valid static constant initializer
8635 if all its elements are.
8636 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
8637 * output.h: Declare it.
8638 * expr.c (categorize_ctor_elements_1): Return whether the constructor
8639 is a valid constant initializer instead of computing the number of
8640 non-constant elements. Use constructor_static_from_elts_p for this
8641 purpose. Replace the head comment with an indication that this is a
8642 helper for categorize_ctor_elements.
8643 (categorize_ctor_elements): Same interface change as for the _1
8644 helper. Former head comment from this helper moved here, adjusted to
8645 account for the interface changes.
8646 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
8647 (all_zeros_p): Likewise.
8648 * gimplify.c (gimplify_init_constructor): Decide whether we can make
8649 static versions of the constructor from the categorize_ctor_elements
8650 return value instead of the formerly computed number of non-constant
8653 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
8655 * configure: Regenerate.
8656 * Makefile.in (build_libsubdir): New configure substitution
8657 (build_libobjdir): New variable.
8658 (BUILD_LIBIBERTY): Use it.
8660 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8663 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
8665 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
8668 * c-common.c (handle_weakref_attribute): Ignore attribute in
8669 the same conditions the alias attribute is ignored.
8671 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
8673 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
8674 (dbxout_begin_prologue): Increment scope_labelno.
8676 2006-07-17 Richard Henderson <rth@redhat.com>
8679 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
8682 2006-07-17 Roger Sayle <roger@eyesopen.com>
8683 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8685 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
8686 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
8687 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
8688 functions such as sbrk, write, etc.. Add function prototypes.
8689 Convert function declarations from K&R to ISO C. Cast pointers
8690 to "long" and "unsigned long" instead of "int" and "unsigned int".
8691 Convert tokens following #endif into comments.
8693 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
8695 * invoke.texi: Remove mention of f77; Reformat table for
8696 inline parameter options correctly; mention that -malign-double
8697 is default on x86-64 targets.
8699 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
8701 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
8702 (convert_affine_scev, chrec_convert_aggressive): Use
8703 avoid_arithmetics_in_type_p. Do not check for the subtypes
8706 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8709 * optabs.c (expand_doubleword_shift): Wrap the call to
8710 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
8712 2006-07-17 Richard Sandiford <richard@codesourcery.com>
8715 * optabs.c (expand_binop): Pass next_methods rather than methods
8716 to expand_doubleword_shift.
8718 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
8721 * tree.h (dump_addr): Declare.
8722 * print-tree.c (dump_addr): New function.
8723 (print_node_brief, print_node): Use it.
8724 * print-rtl.c (print_rtx): Likewise.
8725 * common.opt (-fdump-noaddr): New option.
8726 * doc/invoke.texi (-fdump-noaddr): Document.
8727 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
8728 (ve_info_hash): Likewise.
8730 2006-07-13 Andrew Haley <aph@redhat.com>
8732 PR tree-optimization/19505
8733 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
8734 edge leaving this block, make sure that the destination of this
8735 block has only one predecessor.
8737 2006-07-17 Richard Guenther <rguenther@suse.de>
8739 PR tree-optimization/28238
8740 * tree-inline.c (copy_bb): Check if we produced valid
8741 gimple copying and substituting a stmt. If not, gimplify
8744 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
8746 * optabs.c (maybe_encapsulate_block): New function extracted from...
8747 (emit_libcall_block): ...here. Invoke it on the block of insns to
8748 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
8749 (emit_no_conflict_block): Likewise.
8751 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
8753 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
8755 2006-07-15 Roger Sayle <roger@eyesopen.com>
8757 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
8758 a new NOP_EXPR case of the switch statement.
8760 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
8763 * stor-layout.c (place_field): Take the bit field with
8764 an excessive size into account in the ms-bitfiled case.
8767 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
8768 the previous bit field.
8770 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
8773 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
8775 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
8777 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
8778 signal frames correctly even when the signal was installed with
8781 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
8783 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
8784 (dbxout_function_end): Use local label LFBB. Remove hook
8786 (dbxout_source_line): Use local label LFBB.
8787 (dbxout_block): Likewise.
8788 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
8789 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
8790 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
8791 and DBX_OUTPUT_NFUN.
8793 2006-07-13 Janis Johnson <janis187@us.ibm.com>
8795 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
8797 2006-07-13 Jan Hubicka <jh@suse.cz>
8799 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
8801 * output.h (align_variable): Declare.
8802 * varasm.c (align_variable): Export.
8803 * value-prof.c (tree_value_profile_transformations): Recompute iterator
8804 when basic block changed.
8806 2006-07-13 Nick Clifton <nickc@redhat.com>
8808 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
8809 walking the LOG_LINKS chain.
8811 2006-07-12 Geoffrey Keating <geoffk@apple.com>
8813 * doc/invoke.texi (C++ Dialect Options): Explain difference
8814 between -fvisibility-inlines-hidden and setting hidden
8815 visibility explicitly.
8817 2006-07-12 Eric Christopher <echristo@apple.com>
8819 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
8820 (stmp-lipo): Depend on libgcc.a.
8822 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
8824 * tree.c: Fix a comment typo.
8826 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
8828 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
8830 (umulhisi3_r): Likewise.
8832 2006-07-12 Paolo Carlini <pcarlini@suse.de>
8835 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
8836 x < 19, vs wchar_t support.
8838 2006-07-12 Nick Clifton <nickc@redhat.com>
8840 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
8841 instead of -isa=sh4.
8843 2006-07-12 Mike Stump <mrs@apple.com>
8845 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
8847 2006-07-10 Eric Christopher <echristo@apple.com>
8849 * config/t-slibgcc-darwin: Rewrite.
8851 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
8854 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
8857 2006-07-08 Matthias Klose <doko@debian.org>
8859 * doc/sourcebuild.texi: Fix typo.
8861 2006-07-07 Mike Stump <mrs@apple.com>
8863 * toplev.c (process_options): Don't give -ffunction-sections may
8864 affect debugging warning for Mach-O.
8866 2006-07-07 James E Wilson <wilson@specifix.com>
8868 * config/mips/mips.md (cpu): Add sb1a.
8869 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
8870 addition to sb1. Adjust comments to clarify SB-1A differences from
8872 (ir_sb1a_load): New. Modify bypasses to use it.
8873 (ir_sb1a_simple_alu): Likewise.
8874 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
8875 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
8876 (mips_issue_rate): Add PROCESSOR_SB1A.
8877 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
8878 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
8879 (TARGET_SB1): Add PROCESSOR_SB1A check.
8880 (TUNE_SB1): Likewise.
8882 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
8883 * config/mips/mips.c (mips_store_data_bypass_p): New.
8884 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
8885 store_data_bypass_p.
8887 2006-07-08 Paul Brook <paul@codesourcery.com>
8890 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
8892 2006-07-07 Richard Guenther <rguenther@suse.de>
8895 * tree.h (build_one_cst): Declare.
8896 * tree.c (build_one_cst): New function.
8897 * tree-ssa-math-opts.c (get_constant_one): Remove.
8898 (insert_reciprocals): Use build_one_cst.
8899 * fold-const.c (fold_plusminus_mult): Likewise.
8901 2006-07-07 Roger Sayle <roger@eyesopen.com>
8903 * pointer-set.c (pointer_set_destroy): Correct whitespace.
8904 * cfgloopanal.c (dump_graph): Likewise.
8905 * dojump.c (discard_pending_stack_adjust): Likewise.
8906 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
8908 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
8909 * function.c (finalize_block_changes): Likewise.
8910 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
8911 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
8912 * rtl.c (dump_rtx_statistics): Likewise.
8913 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
8915 * varray.c (dump_varray_statistics): Likewise.
8916 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
8917 decode_decimal64, encode_decimal128, decode_decimal128,
8918 decimal_real_to_decimal): Likewise.
8920 2006-07-07 Richard Guenther <rguenther@suse.de>
8922 PR tree-optimization/28187
8923 * tree-vrp.c (vrp_operand_equal_p): New function.
8924 (vrp_bitmap_equal_p): Likewise.
8925 (update_value_range): Use them to compare old and new
8928 2006-07-06 Roger Sayle <roger@eyesopen.com>
8930 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
8931 a default case to switch statement to silence compiler warnings.
8933 2006-07-06 Roger Sayle <roger@eyesopen.com>
8936 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
8937 the configured assembler supports the x87's ffreep mnemonic.
8938 * configure: Regenerate.
8939 * config.in: Regenerate.
8941 * config/i386/i386.c (output_387_ffreep): New function.
8942 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
8943 (output_387_reg_move): Likewise.
8945 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
8947 Port to hosts whose 'sort' and 'tail' implementations
8948 treat operands with leading '+' as file names, as POSIX
8949 has required since 2001. However, make sure the code still
8950 works on pre-POSIX hosts.
8951 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
8952 which says you should use "tail -c +N" rather than "tail +Nc".
8953 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
8955 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8957 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
8960 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8963 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
8964 PRE_{INC,DEC} of TFmode.
8966 2006-07-06 David Edelsohn <edelsohn@gnu.org>
8967 Alan Modra <amodra@bigpond.net.au>
8970 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
8973 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8976 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
8977 Remove duplicate gtu.
8979 2006-07-05 Jason Merrill <jason@redhat.com>
8983 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
8984 * c-common.c (handle_packed_attribute): So don't copy it here.
8985 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
8987 2006-07-05 Mike Stump <mrs@apple.com>
8989 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
8991 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
8994 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
8996 2006-07-05 Richard Guenther <rguenther@suse.de>
8999 * config/i386/i386.md (*negdf2_1): Restrict pattern to
9000 TARGET_SSE2 targets if using SSE math.
9001 (*absdf2_1): Likewise.
9003 2006-07-05 Richard Guenther <rguenther@suse.de>
9005 PR tree-optimization/28162
9006 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
9007 make sure to convert the operands to the correct type.
9009 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
9011 PR tree-optimization/28218
9013 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
9014 to calculate and free the dominator information.
9016 2006-07-04 Peter O'Gorman <peter@pogma.com>
9018 * mklibgcc.in: chmod 644 before ranlib during install.
9020 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
9021 J"orn Rennecke <joern.rennecke@st.com>
9023 * configure.ac (.eh_frame data check): Use diff -b.
9025 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
9028 * Makefile.in (BUILD_RTL): Add build/vec.o.
9029 (build/gencondmd.o): Filter out -fkeep-inline-functions.
9030 (build/genextract): Delete.
9031 (build/genautomata): Likewise.
9033 2006-07-04 Alan Modra <amodra@bigpond.net.au>
9036 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
9037 128-bit IBM long doubles for ABI_V4.
9039 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
9041 * tree.c (range_in_array_bounds_p): New predicate.
9042 * tree.h (range_in_array_bounds_p): Declare it.
9043 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
9044 return a less conservative answer.
9045 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
9046 and flag 'is_group'.
9047 (IS_ELEMENT_FOR_GROUP): New macro.
9048 (FOR_EACH_ACTUAL_CHILD): Likewise.
9049 (next_child_for_group): New helper function.
9050 (can_completely_scalarize_p): Take into account groups.
9051 (sra_hash_tree): Handle RANGE_EXPR.
9052 (sra_elt_eq): Likewise.
9053 (lookup_element): Be prepared for handling groups.
9054 (is_valid_const_index): Delete.
9055 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
9056 instead of is_valid_const_index.
9057 <ARRAY_RANGE_REF>: New case.
9058 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
9059 is_valid_const_index.
9060 <ARRAY_RANGE_REF>: Do not unconditionally punt.
9061 (scan_dump): Dump info for groups too.
9062 (decide_instantiation_1): Likewise.
9063 (decide_block_copy): Assert that the element is not a group.
9064 Propagate decision to groups.
9065 (generate_one_element_ref): Handle RANGE_EXPR.
9066 (mark_no_warning): Iterate over actual childs.
9067 (generate_copy_inout): Likewise.
9068 (generate_element_copy): Likewise.
9069 (generate_element_zero): Likewise.
9070 (generate_element_init_1): Likewise.
9071 (dump_sra_elt_name): Handle RANGE_EXPR.
9073 2006-07-03 Roger Sayle <roger@eyesopen.com>
9075 PR tree-optimization/26251
9076 * tree-ssa-threadupdate.c (redirection_block_p): New function.
9077 (thread_block): When optimizing for size refuse to thread jumps
9078 that would require duplication of blocks other than redirection
9081 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9083 * configure.ac: Fix thinko in previous check-in.
9084 * configure: Regenerate.
9086 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
9089 * configure.ac (for lang...): Simplify nesting of conditionals.
9090 Test subdir_requires for non-enabled languages. Move processing
9091 of lang_opt_files and lang_tree_fiels below that test.
9092 * configure: Regenerate.
9093 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
9095 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
9097 * doc/gcov.texi (Invoking Gcov): Add a missing word.
9099 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
9101 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
9104 2006-06-29 Jason Merrill <jason@redhat.com>
9111 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
9112 * c-common.c (c_determine_visibility): Handle it here.
9113 * c-decl.c (finish_decl): Call c_determine_visibility for
9115 * flags.h (enum symbol_visibility): Sort from most to least visibility.
9117 * varasm.c (default_assemble_visibility): Likewise.
9118 * c-common.c (handle_visibility_attribute): Complain about trying
9119 to give visibility to an already defined class, or trying to change
9120 declared visibility. Always attach the attribute.
9125 * attribs.c (decl_attributes): Ignore type-in-place attributes
9126 once the type has been defined.
9128 2006-06-29 Roger Sayle <roger@eyesopen.com>
9131 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
9132 to indicate the cpplib has issued an error message for us.
9134 2006-06-29 Asher Langton <langton2@llnl.gov>
9137 * config/i386/i386.c (ix86_output_function_epilogue): Don't
9138 insert a label at the end of an function under Mach-O.
9140 2006-06-29 Eric Christopher <echristo@apple.com>
9141 Evan Cheng <evan.cheng@apple.com>
9143 * predicates.md (vector_all_ones_operand): New.
9144 (nonimmediate_or_sse_const_operand): Ditto.
9145 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
9146 * config/i386/i386.c (standard_sse_constant_opcode): Define.
9147 (standard_sse_mode_p): Ditto.
9148 (standard_sse_constant_p): Add case for -1 vector.
9149 (ix86_expand_vector_move): Try to use.
9150 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
9151 Call standard_sse_constant_opcode.
9152 (*movv4sf_internal): Ditto.
9153 (*movv2df_internal): Ditto.
9155 2006-06-29 Roger Sayle <roger@eyesopen.com>
9157 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
9158 of XEXP to extract the operands of a MATCH_CODE rtx.
9160 2006-06-28 Andrew Pinski <pinskia@gmail.com>
9162 * tree.c (tree_size): Do not waste tail padding in
9163 struct tree_string and make the size be the same as
9164 build_string will generate.
9166 2006-06-28 Jason Merrill <jason@redhat.com>
9169 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
9170 may_aliases already in the tag's annotations to the bitmap.
9172 2006-06-28 Roger Sayle <roger@eyesopen.com>
9174 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
9176 2006-06-28 Roger Sayle <roger@eyesopen.com>
9178 * genpreds.c (generate_switch_p): New function.
9179 (add_mode_tests): Push the new mode test down inside an AND expr
9180 if this allows the switch-suitable MATCH_CODE to be near the root.
9181 (write_match_code_switch): New function to write a MATCH_CODE as
9183 (write_predicate_stmts): New function to write a predicate RTX
9184 expression as a sequence of statements.
9185 (write_one_predicate_function): Use write_predicate_stmts.
9186 (write_tm_constrs_h): Likewise.
9188 2006-06-26 Fred Fish <fnf@specifix.com>
9190 * config/mips/t-sb1: New file.
9191 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
9194 2006-06-26 DJ Delorie <dj@redhat.com>
9196 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
9198 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
9199 Jayant Sonar <jayants@kpitcummins.com>
9200 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
9202 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
9203 (subsi3, subsi3_1, subsi3_2): New.
9204 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
9205 * config/m32c/mov.md (SI mov peephole): New.
9206 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
9207 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
9209 2006-06-26 Olivier Hainque <hainque@adacore.com>
9211 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
9212 a CALL_EXPR target function declaration.
9214 2006-06-26 Richard Guenther <rguenther@suse.de>
9216 * tree.c (build_string): Do not waste tail padding in
9219 2006-06-26 Richard Guenther <rguenther@suse.de>
9221 * ggc-page.c (init_ggc): Add missing element to size_lookup
9225 2006-06-23 Richard Guenther <rguenther@suse.de>
9227 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9228 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9229 alignment requests instead. Add verification code.
9230 Add struct tree_function_decl and struct tree_binfo size to
9231 extra_order_size_table. Add missing element to size_lookup
9234 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
9237 * fold-const.c (const_binop): Be prepared for self returning zero.
9238 Simplify code handling complex values.
9240 2006-06-24 Olivier Hainque <hainque@adacore.com>
9242 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
9243 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
9246 2006-06-24 Olivier Hainque <hainque@adacore.com>
9248 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
9249 ARRAY_REF, so have the callback called for the low bound expression.
9251 2006-06-23 Janis Johnson <janis187@us.ibm.com>
9253 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
9254 * c-typeck.c (c_common_type): Disallow operations on decimal float
9255 types and other float types.
9256 * convert.c (convert_to_real): Don't ignore conversions involving
9257 decimal float types.
9259 2006-06-23 Olivier Hainque <hainque@adacore.com>
9261 * tree.c (max_int_size_in_bytes): New function, inspired from
9262 code in function.c:assign_temp.
9263 * tree.h (max_int_size_in_bytes): Declare.
9264 * function.c (assign_temp): Use it.
9265 * gimplify.c (create_tmp_var): Relax the assertions on the type
9266 properties, not mandating constant size any more.
9267 (force_constant_size): New static function.
9268 (gimple_add_tmp_var): Use it, forcing variable size to a
9269 constant upper bound if it is not constant on entry.
9271 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
9274 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
9275 for initialization and setting of one_only flag to ...
9276 (i386_pe_encode_section_info): ...here.
9277 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
9278 Recheck that the symbol has not been defined.
9280 2006-06-23 Richard Guenther <rguenther@suse.de>
9282 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
9283 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
9284 alignment requests instead. Add verification code.
9285 Add struct tree_function_decl and struct tree_binfo size to
9286 extra_order_size_table. Add missing element to size_lookup
9289 2006-06-22 Roger Sayle <roger@eyesopen.com>
9290 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9293 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
9294 call to lang_hooks.types.type_for_mode returned NULL_TREE.
9296 2006-06-23 Ben Elliston <bje@au.ibm.com>
9298 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
9299 negate dn -- manipulate it directly.
9301 2006-06-22 Roger Sayle <roger@eyesopen.com>
9302 Steven Bosscher <stevenb.gcc@gmail.com>
9305 * reload1.c (gen_reload): Call mark_jump_label on the new insns
9306 generated by gen_move_insn to add REG_LABEL notes if necessary.
9308 2006-06-22 Bob Wilson <bob.wilson@acm.org>
9310 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
9311 (leaf_entry): Remove use of MIN_ESA.
9313 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
9315 PR rtl-optimization/28121
9316 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
9319 2006-06-21 DJ Delorie <dj@redhat.com>
9321 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
9323 (mulhisi3_r): Likewise.
9325 2006-06-21 Richard Sandiford <richard@codesourcery.com>
9328 * coverage.c (coverage_counter_alloc): Leave the index type
9330 (coverage_counter_alloc): Use null arguments for operands 2 and 3
9333 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
9335 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
9336 section from the "Options for Code Generation Conventions".
9338 2006-06-21 Richard Henderson <rth@redhat.com>
9342 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
9344 (global_symbolic_operand): Allow weak symbols, even if local_p.
9346 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
9348 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
9349 (find_interesting_uses_address): Punt if above function returns true.
9351 2006-06-21 Richard Guenther <rguenther@suse.de>
9353 * configure: Regenerated.
9355 2006-06-21 Joseph Myers <joseph@codesourcery.com>
9357 * config/mips/mips.c (function_arg): Where one part of a
9358 complex argument is in registers and the other part in the stack,
9359 return a REG not a PARALLEL.
9361 2006-06-21 Mark Mitchell <mark@codesourcery.com>
9363 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
9364 when cross-compiling. Do not substitute libstdcxx_incdir.
9365 * configure: Regenerated.
9367 2006-06-21 Jakub Jelinek <jakub@redhat.com>
9369 * varasm.c (mergeable_string_section): Check for embedded NULs and
9370 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
9371 rather than TREE_STRING_LENGTH bytes.
9373 2006-06-21 Richard Guenther <rguenther@suse.de>
9375 * ggc-page.c (extra_order_size_table): Add var_ann_d,
9376 tree_ssa_name, bitmap_element and phi_node with 4 arguments
9379 2006-06-21 Richrad Guenther <rguenther@suse.de>
9381 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
9382 Limit iteration over the dominators.
9384 2006-06-20 Roger Sayle <roger@eyesopen.com>
9386 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
9387 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
9389 2006-06-20 Richard Guenther <rguenther@suse.de>
9390 Michael Matz <matz@suse.de>
9392 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
9394 * alloc-pool.c (free_alloc_pool_if_empty): New function.
9395 * et-forest.h (et_free_pools): Prototype new function.
9396 * et-forest.c (et_free_tree_force): Free parent occurrence.
9397 (et_free_pools): New function.
9398 * dominance.c (free_dominance_info): Free et-forest alloc
9401 2006-06-20 Roger Sayle <roger@eyesopen.com>
9403 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
9404 integer modes, attempt to directly construct an integer constant.
9406 * fold-const.c (native_encode_vector): Determine the size of each
9407 element from the vector type instead of the first vector element.
9409 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
9410 if all of its elements/components are constant.
9411 (build_constructor_from_list): Likewise.
9413 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
9415 PR tree-optimization/27331
9416 * tree-data-ref.c (free_data_ref): New function.
9417 (create_data_ref): Fail if the data reference has unknown access
9419 (free_data_refs): Use free_data_ref.
9421 2006-06-19 Andrew Pinski <pinskia@gmail.com>
9424 * tree-inline.c (setup_one_parameter): Strip useless
9425 type conversion before adding it to the IR.
9426 (declare_return_variable): Likewise.
9428 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
9431 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
9433 2006-06-19 Mike Stump <mrs@apple.com>
9435 * tree.c (variably_modified_type_p): VM arguments don't make the
9438 2006-06-19 Richard Guenther <rguenther@suse.de>
9440 * tree-ssa-pre.c (try_combine_conversion): Strip useless
9441 type conversions after folding.
9443 2006-06-19 Richard Guenther <rguenther@suse.de>
9445 * ggc-page.c (extra_order_size_tab): Add entries with
9446 size of struct function and basic_block.
9447 (size_lookup): Extend to cover sizes up to 511.
9448 (ggc_alloc_stat): Adjust user.
9449 (ggc_pch_count_object): Likewise.
9450 (ggc_pch_alloc_object): Likewise.
9451 (ggc_pch_write_object): Likewise.
9453 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
9455 * tree-ssa-loop-niter.c (implies_ge_p): New function.
9456 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
9459 2006-06-19 Denis Chertykov <denisc@overta.ru>
9461 * config/avr/libgcc.S : Correct my wrong previous commit.
9463 2006-06-19 Roger Sayle <roger@eyesopen.com>
9466 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
9467 have stripped a SUBREG from the shift count, so we may need to
9468 convert_to_mode back to the type's mode before calling make_tree.
9469 Use new_amount instead of amount to avoid expanding a tree twice.
9471 2006-06-19 Richard Guenther <rguenther@suse.de>
9474 * fold-const.c (operand_equal_p): Check if the argument types
9475 have the same precision before stripping NOPs.
9477 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
9479 Fix PR tree-optimization/27341
9480 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
9482 * tree-complex.c (pass_lower_complex): Update SMT usage.
9484 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
9486 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
9487 Add a new alternative to the constraint strings. Add move of
9488 operand 1 to 3 to the splitter definition.
9489 ("doloop_si_long"): Second contraint alternative removed.
9491 2006-06-08 Anatoly Sokolov <aesok@post.ru>
9493 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
9494 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
9496 (AVR_HAVE_MOVW) Define.
9497 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
9498 (ASM_SPEC): Add avr25.
9499 (LINK_SPEC): Add avr25.
9500 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
9501 (base_arch_s): Add new member 'have_movw_lpmx'.
9502 (avr_arch_types): Init 'have_movw_lpmx'.
9503 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
9504 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
9505 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
9506 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
9507 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
9509 (avr_file_start): Do not output '.arh' derective.
9510 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
9511 (__do_copy_data): Use __AVR_HAVE_LPMX__.
9512 * config/avr/avr.md (mcu_enhanced): Delete.
9513 (mcu_have_movw): Define.
9514 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
9515 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
9516 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
9517 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
9518 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
9519 attiny861 and at86rf401 devices.
9521 2006-06-18 Jie Zhang <jie.zhang@analog.com>
9523 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
9526 2006-06-17 Karl Berry <karl@gnu.org>
9528 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
9529 doc/gccint.texi, doc/install.texi (@dircategory): Use
9530 "Software development" instead of "Programming", following
9531 the Free Software Directory.
9533 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
9535 * config/i386/i386.c (legitimate_tls_address)
9536 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
9537 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
9538 (*tls_dynamic_gnu2_combine_64): Likewise.
9540 2006-06-16 Richard Guenther <rguenther@suse.de>
9543 * fold-const.c (negate_expr_p): Do not introduce undefined
9544 overflow in negating INTEGER_CSTs.
9545 (fold_negate_expr): Rename from negate_expr. Revert last
9546 change for folding BIT_NOT_EXPR. Change semantics to
9547 return NULL_TREE for non-simplified negations. Do not
9548 strip type conversions and unify type handling.
9549 (negate_expr): New function, wrap around fold_negate_expr
9550 but ensure building a tree always. Strip type conversions
9551 here, fold to result type.
9552 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
9554 2006-06-16 Roger Sayle <roger@eyesopen.com>
9557 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
9558 that (would) return their results in stack registers.
9560 2006-06-16 Michael Matz <matz@suse.de>
9561 Richard Guenther <rguenther@suse.de>
9563 * fold-const.c (fold_truthop): Only return new tree node if
9564 we canonicalized something.
9566 2006-06-16 Richard Guenther <rguenther@suse.de>
9568 * function.h (enum function_frequency): Move declaration
9569 out of struct function.
9570 (struct function): Move bool fields and the enum to the bitfield
9571 section. Reorder elements to avoid padding. Remove unused
9572 fields left over from the RTL inliner removal.
9573 * function.c (free_after_compilation): Do not zero removed fields.
9574 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
9575 (ipa-type-escape.o): Likewise.
9577 2006-06-16 Richard Guenther <rguenther@suse.de>
9579 * cgraph.h (struct cgraph_local_info): Turn bool elements
9581 (struct cgraph_node): Likewise.
9582 (struct cgraph_varpool_node): Likewise.
9584 2006-06-15 Richard Guenther <rguenther@suse.de>
9586 * fold-const.c (fold_truth_not_expr): Rename from
9587 invert_truthvalue. Give it fold_* semantics to avoid
9589 (invert_truthvalue): New function. Wrapper around
9590 fold_truth_not_expr.
9591 (optimize_minmax_comparison): Avoid creating garbage.
9592 (fold_unary): Use fold_truth_not_expr for folding
9594 (fold_ternary): Replace uses of invert_truthvalue with
9595 fold_truth_not_expr where applicable.
9596 * tree.h (fold_truth_not_expr): Prototype.
9598 2006-06-16 Richard Guenther <rguenther@suse.de>
9600 PR tree-optimization/27781
9601 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
9602 * ipa-pure-const.c (target.h): Include.
9603 (analyze_function): Do not analyze functions that do not
9606 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
9609 * tree-dfa.c (referenced_vars_dup_list): Remove.
9610 (find_referenced_vars): Remove assert.
9611 (referenced_var_check_and_insert): Replace dup list with assert.
9612 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
9613 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
9615 2006-06-15 Richard Guenther <rguenther@suse.de>
9617 * tree-ssa-structalias.c (alias_get_name): Avoid creating
9618 extra unused identifiers if not dumping.
9619 (create_variable_info_for): Likewise.
9621 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
9623 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
9624 (derive_constant_upper_bound): Derive more precise upper bound in
9625 common cases. Return type changed to double_int.
9626 (record_estimate): Reflect the changed return type of
9627 derive_constant_upper_bound.
9628 * double-int.c (double_int_zext, double_int_sext): Fix.
9630 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
9632 * configure.ac (CFLAGS): Get them from the toplevel or from the
9633 configure invocation.
9634 * configure: Regenerate.
9635 * Makefile.in (CFLAGS): Substitute value provided by configure.
9637 2006-06-14 Mark Mitchell <mark@codesourcery.com>
9640 * c-common.h (c_finish_omp_atomic): Adjust declaration.
9641 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
9642 rather than calling add_stmt on it.
9643 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
9645 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
9648 * reload1.c (reload): Remove registers returned by update_eliminables
9649 from used_spill_regs.
9651 2006-06-13 DJ Delorie <dj@redhat.com>
9653 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
9655 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
9657 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
9658 html__strip_dir, html__mkdir_p. Enhance install-html target.
9659 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
9660 * configure: Regenerate.
9662 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
9664 * fold-const.c (fold_cond_expr_with_comparison): Check for
9665 Objective-C++ as language in deciding COND_EXPR transformation.
9667 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
9670 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
9671 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
9672 * config/sh/lib1funcs.h (SL, SL1): Define.
9673 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
9674 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
9675 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
9676 (OBJS_Os_4_200): New variable.
9677 ($(T)libgcc-Os-4-200.a): Use it.
9678 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
9679 when dividing 1 and/or by 0.
9681 2006-06-13 Roger Sayle <roger@eyesopen.com>
9683 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
9684 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
9685 * configure: Regenerate.
9687 2006-06-13 Jie Zhang <jie.zhang@analog.com>
9689 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
9690 for real instruction.
9692 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9695 * haifa-sched.c (check_cfg): Handle special case.
9697 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
9700 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
9701 Add debug_info parameter. Chain the vars to the BLOCK instead
9702 of the BIND_EXPR if debug info are requested for them.
9703 (pop_gimplify_context): Adjust for above change.
9704 (gimple_add_tmp_var): Likewise.
9705 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
9707 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
9708 (convert_local_reference): Likewise.
9709 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
9710 (finalize_nesting_tree_1): Request that debug info be emitted
9711 for debug_var_chain.
9713 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9715 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
9716 for PR target/27863.
9718 2006-06-13 Richard Guenther <rguenther@suse.de>
9721 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
9723 2006-06-13 Richard Guenther <rguenther@suse.de>
9725 PR tree-optimization/27830
9726 * tree-inline.c (copy_body_r): For copying the operand
9727 of an ADDR_EXPR make sure to fold &* afterwards.
9729 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
9731 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
9732 lvalues in the fb_none case with side-effects.
9734 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
9736 * tree-flow.h: Remove the prototype for
9737 compute_phi_arg_on_exit.
9738 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
9739 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
9742 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
9744 * builtins.c (expand_builtin_return_addr): Only use
9745 frame_pointer_rtx when count == 0 and we are expanding
9746 __builtin_return_address.
9748 2006-06-12 Fred Fish <fnf@specifix.com>
9750 * config/mips/mips.c (mips_file_start): Create special section
9751 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
9753 2006-06-11 Eric Christopher <echristo@apple.com>
9756 * stor-layout.c (place_field): Remove check for
9757 remaining_in_alignment when aligning at the end of a run.
9759 2006-06-11 Eric Christopher <echristo@apple.com>
9762 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
9765 2006-06-11 Roger Sayle <roger@eyesopen.com>
9768 Revert incorrect fix for PR target/27158
9769 2006-05-08 Roger Sayle <roger@eyesopen.com>
9770 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9771 of a reg_equiv_constant if the result is a legitimate constant.
9773 2006-06-11 Roger Sayle <roger@eyesopen.com>
9776 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
9777 extract a CONST_VECTOR element and interpret it as an integer.
9778 (vspltis_constant): Use const_vector_elt_as_int instead of the
9779 macro CONST_VECTOR_ELT in order to handle FP vector modes.
9780 * config/rs6000/predicates.md (easy_vector_const): Consider
9781 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
9783 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
9786 * stor-layout.c (update_alignment_for_field): Don't add extra
9787 alignment for packed non-bitfield fields in ms_bitfield_layout_p
9790 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
9792 * config/mips/t-rtems: Add EL/EB multilib variants.
9794 2006-06-09 Mike Stump <mrs@apple.com>
9796 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
9798 2006-06-09 David Daney <ddaney@avtrex.com>
9800 * doc/install.texi: Add binutils version recommendation for mips-*-*.
9802 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
9804 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
9806 2006-06-09 Richard Guenther <rguenther@suse.de>
9808 PR tree-optimization/26998
9809 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
9810 of signed types, only TYPE_MIN_VALUE is special, but for both,
9811 minimum and maximum value. Likewise VR_ANTI_RANGE is special
9812 in this case, as is -fwrapv.
9814 2006-06-08 Mike Stump <mrs@apple.com>
9817 * config/darwin.c (darwin_asm_output_anchor): Disable
9818 -fsection-anchors on darwin for now.
9819 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
9820 * rs6000/rs6000.c (optimization_options): Likewise.
9822 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9825 * config/i386/i386.c (classify_argument): Skip fields with invalid
9828 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
9830 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
9831 (cse_insn): Likewise for the stack_pointer_rtx.
9833 2006-06-08 Roger Sayle <roger@eyesopen.com>
9835 * tree-ssa-dom.c (record_conditions): Only record "unordered"
9836 conditions from floating point comparisons.
9838 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
9841 * expmed.c (struct alg_hash_entry): Fix type of field T
9842 to match synth_mult argument.
9843 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
9845 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9848 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
9851 2006-06-08 Richard Guenther <rguenther@suse.de>
9854 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
9855 only, if overflow is defined and not trapping.
9856 (negate_expr): Likewise.
9858 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9860 PR tree-optimization/27872
9861 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
9862 flag on the new exit edge of the unrolled loop.
9864 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
9866 PR rtl-optimization/26449
9867 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
9869 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
9872 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
9873 referenced_variables with matching DECL_UID's.
9874 (find_referenced_vars): Make sure duplicate list is empty to start.
9875 (referenced_var_p): Remove.
9876 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
9877 Check if var is in the list, and add if needed. Update the duplicate
9878 list if a different var is in the list with the same DECL_UID.
9879 (add_referenced_var): Call routine to check and insert.
9880 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
9881 * tree-flow.h (referenced_vars_dup_list): External declaration.
9883 2006-06-07 Fred Fish <fnf@specifix.com>
9885 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
9888 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
9891 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
9892 the imaginary and real parts of a clobbered register.
9893 Emit insn to set the imaginary part.
9895 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
9897 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
9898 in lieu of unwind-dw2-fde.c.
9900 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
9902 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
9904 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
9907 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
9908 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
9909 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
9910 V4SImode temporaries and operations instead.
9912 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
9914 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
9917 2006-06-06 Mike Stump <mrs@apple.com>
9919 * Makefile.in: Rename to htmldir to build_htmldir to avoid
9920 installing during build.
9922 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9924 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
9926 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9927 * config/ia64/ia64.c (params.h): New header.
9928 (ia64_optimization_options): New function to adjust parameters.
9929 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
9930 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
9931 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
9933 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
9935 * stor-layout.c (debug_rli): Fix a typo in a debug message.
9937 2006-06-05 Steve Ellcey <sje@cup.hp.com>
9940 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
9942 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
9943 Victor Kaplansky <victork@il.ibm.com>
9945 PR tree-optimization/26360
9946 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
9949 2006-06-04 Roger Sayle <roger@eyesopen.com>
9950 Andrew Pinski <pinskia@physics.uc.edu>
9953 * c-common.c (c_common_truthvalue_conversion): Explicitly check
9954 for LABEL_DECL before calling DECL_WEAK.
9957 * c-typeck.c (build_binary_op): Likewise, explicitly check for
9958 LABEL_DECL and PARM_DECL.
9960 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
9964 * c-decl.c (grokdeclarator): Disallow variably modified types at
9965 file scope. Avoid marking shared array type of constant size as
9968 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9971 * c-common.c (fold_offsetof_1): Handle static members.
9973 2006-06-04 Eric Christopher <echristo@apple.com>
9975 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
9976 (debug_rli): Output value for remaining_in_alignment.
9977 (update_alignment_for_field): Unconditionalize
9978 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
9979 extra alignment code.
9980 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
9981 ms_bitfield_layout_p code. Rewrite handling of structure fields.
9982 * tree.h (record_layout_info_s): Remove prev_packed.
9983 * doc/extend.texi (ms_struct): Add documentation of format.
9985 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
9987 * tree.h: Declare folding_initializer.
9988 * builtins.c (fold_builtin_constant_p): Give definite answer
9989 if folding inside an initializer.
9990 * fold-const.c: Define folding_initializer.
9991 (START_FOLD_INIT): Save and then set folding_initializer.
9992 (END_FOLD_INIT): Restore folding_initializer.
9994 2006-06-04 Richard Guenther <rguenther@suse.de>
9996 PR tree-optimization/27039
9997 * fold-const.c (fold_comparison): Handle pointer comparison
9998 again for all comparison codes. Compare offsets in signed
10000 (fold_binary): Move code from here.
10002 2006-06-03 Roger Sayle <roger@eyesopen.com>
10005 * config/i386/i386.c (construct_container): Split static issued_error
10006 flag into issued_sse_arg_error, issued_sse_ret_error and
10007 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
10008 requires the use of x87 registers and the user explicitly
10009 specified the -mno-80387 command line option.
10011 2006-06-02 Geoffrey Keating <geoffk@apple.com>
10013 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
10014 HAVE_DECL_SIGALTSTACK.
10016 (segv_handler): Use MC_FLD.
10017 * configure.ac: Check for a sigaltstack declaration.
10018 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
10019 * configure: Regenerate.
10020 * config.in: Regenerate.
10022 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
10025 * Makefile.in (stmp-fixinc): Fix typo.
10027 2006-06-02 Roger Sayle <roger@eyesopen.com>
10029 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
10030 are type correct. Clean-up.
10031 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
10032 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
10034 2006-06-01 DJ Delorie <dj@redhat.com>
10036 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
10037 shift, as we've disabled the "switch" insn that needs it.
10039 2006-06-01 Per Bothner <bothner@bothner.com>
10041 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
10042 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
10043 * c-ppoutput.c (cb_define): Don't increment line 0.
10045 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
10047 * doc/invoke.texi: Add cpu_type power6.
10048 * config.gcc: Add cpu_type power6.
10049 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
10050 to power5+ with Altivec.
10051 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
10052 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
10054 2006-05-30 Anatoly Sokolov <aesok@post.ru>
10056 * config/avr/avr.h (SET_ASM_OP): Define.
10058 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
10060 * config/bfin/bfin.c: Fix comment typos.
10062 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10065 * doc/install.texi: Document --enable-bootstrap and
10066 --disable-bootstrap.
10068 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
10070 * doc/install.texi: Document that InfoZIP can replace jar.
10072 2006-05-31 Roger Sayle <roger@eyesopen.com>
10074 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
10075 isn't available, directly generate the simpler x87 patterns without
10076 the (use (const_int 0)).
10077 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
10078 implementation isn't available.
10079 (*negdf2_1): Likewise.
10080 (*negxf2_1): XF mode negation is always done using the x87.
10081 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
10083 2006-05-31 Roger Sayle <roger@eyesopen.com>
10085 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
10086 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
10088 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
10090 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10092 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
10093 * config/bfin/bfin.c (basic-block.h): Include.
10094 (struct machine_function): New.
10095 (bfin_init_machine_status): New.
10096 (override_options): Initialize init_machine_status.
10097 (bfin_hardware_loop): New.
10098 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
10099 (DEF_VEC_P (loop_info)): New.
10100 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
10101 (struct loop_info): New.
10102 (loop_info): New typedef.
10103 (struct loop_work): New.
10104 (loop_work): New typedef.
10105 (DEF_VEC_O (loop_work)): New.
10106 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
10107 (bfin_dump_loops): New.
10108 (bfin_bb_in_loop): New.
10109 (bfin_scan_loop): New.
10110 (bfin_optimize_loop): New.
10111 (bfin_reorg_loops): New.
10112 (bfin_reorg): Use bfin_reorg_loops.
10113 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
10115 (I_REGNO_P): Simplify.
10116 (DP_REGNO_P, DPREG_P): New macros.
10117 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
10118 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
10119 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
10120 Add LT_REGS, LC_REGS, LB_REGS.
10121 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
10123 (REGNO_REG_CLASS): Deal with loop registers.
10124 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
10126 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
10127 New constants for loop registers.
10128 (UNSPEC_LSETUP_END): New.
10129 (seq_insns): New define_attr. Set it for appropriate insns.
10130 (movsi_insn): Add alternatives for move from/to
10131 loop count registers.
10132 (doloop_end): New define_expand.
10133 (loop_end): New define_insn.
10134 (define_split for bad doloop_end): New.
10135 (lsetup_with_autoinit): New define_insn.
10136 (lsetup_without_autoinit): New define_insn.
10137 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
10138 * config/bfin/predicates.md (lc_register_operand): New.
10139 (lt_register_operand): New.
10140 (lb_register_operand): New.
10141 (nondp_register_operand): New.
10142 (nondp_reg_or_memory_operand): New.
10143 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
10145 2006-05-31 Jie Zhang <jie.zhang@analog.com>
10147 * config/bfin/bfin.c (bfin_delegitimize_address): New.
10148 (TARGET_DELEGITIMIZE_ADDRESS): Define.
10150 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
10152 * Makefile.in (CATALOGS): Add po/ prefix.
10153 * configure: Regenerated.
10155 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
10158 * arm.c (arm_print_operand case 'S'): Validate that the operand is
10159 a shift operand before calling shift_op. Avoid redundant call of
10162 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
10163 DJ Delorie <dj@redhat.com>
10165 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
10166 we're inserting is a singlt-bit constant.
10168 2006-05-30 Roger Sayle <roger@eyesopen.com>
10170 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
10171 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
10173 2006-05-30 Roger Sayle <roger@eyesopen.com>
10175 PR tree-optimization/23452
10176 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
10177 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
10178 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
10179 complex values and with -ffast-math for FP complex values.
10181 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
10183 * c-common.h: Remove the prototype for yyparse.
10184 * rtl.h: Remove the prototype for init_loop.
10186 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
10188 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
10191 2006-05-30 Roger Sayle <roger@eyesopen.com>
10193 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
10195 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
10196 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
10198 2006-05-30 Dirk Mueller <dmueller@suse.de>
10201 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
10202 for CONSTANT_CLASS_P expresisons.
10204 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10207 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
10209 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
10211 PR tree-optimization/27779
10212 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
10213 initial_condition instead of CHREC_LEFT.
10215 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
10217 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
10218 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
10219 Make prototypes ISO C90.
10221 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
10222 Leehod Baruch <leehod.baruch@weizmann.ac.il>
10224 * see.c (see_analyze_one_def): Correct check.
10225 (see_get_extension_data): Check if extension is parallel.
10226 (see_get_extension_reg): Likewise.
10228 2006-05-30 Uros Bizjak <uros@kss-loka.si>
10231 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
10232 into register for (code == GTU).
10234 2006-05-29 Roger Sayle <roger@eyesopen.com>
10236 PR tree-optimization/24964
10237 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
10238 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
10239 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
10240 abs(x)*abs(x) as x*x for scalar floating point modes.
10242 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
10244 PR middle-end/27745
10245 * lambda-code.c (perfect_nestify): Don't copy statements
10246 in the inner loop: move them to the inner loop header.
10248 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10251 * c-tree.texi: Document OpenMP directives and clauses.
10253 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10255 * varasm.c (globalize_decl): Fix indentation.
10257 2006-05-29 Diego Novillo <dnovillo@redhat.com>
10260 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
10261 pass_fre, pass_store_ccp, pass_copy_prop,
10262 pass_store_copy_prop, pass_merge_phi, pass_nrv,
10263 pass_return_slot, pass_object_size, pass_lim,
10264 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
10265 pass_loop_prefetch and pass_stdarg.
10267 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
10269 * config/bfin/bfin.opt (mfdpic): New option.
10270 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
10271 (EXTRA_MULTILIB_PARTS): Likewise.
10272 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
10273 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
10275 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
10276 (CRT_CALL_STATIC_FUNCTION): New.
10277 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
10279 (CRT_CALL_STATIC_FUNCTION): New.
10280 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
10282 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
10283 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
10284 (initialize_trampoline): Changed to handle FD-PIC code generation.
10285 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
10286 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
10287 (override_options): Disallow -mid-shared-library -mfdpic combination.
10288 Can't do unaligned ops if FD-PIC.
10289 Turn off flag_pic if trying to generate non-id-shared-library
10290 non-fdpic code, since it's not supported.
10291 (bfin_assemble_integer): New function.
10292 (TARGET_ASM_INTEGER): Define.
10293 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
10295 * config/bfin/crtn.s: Restore them.
10296 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
10298 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
10299 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
10300 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
10301 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
10302 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
10304 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
10305 FDPIC_REGS and FDPIC_FPTR_REGS.
10306 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
10307 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
10308 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
10309 (load_funcdescsi): New pattern.
10310 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
10311 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
10312 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
10314 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
10316 * gcse.c, rtlanal.c: Remove obsolete comments associated with
10319 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
10321 * tree-flow.h: Remove the prototype for add_type_alias.
10322 * tree-ssa-alias.c (add_type_alias): Remove.
10324 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
10326 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
10327 config/fr30/fr30.md, config/i386/i386-interix.h,
10328 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
10329 config/sh/superh64.h, config/v850/v850.c, df-core.c,
10330 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
10331 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
10332 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
10333 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
10334 Follow spelling conventions.
10335 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
10336 Follow spelling conventions.
10338 2006-05-27 Richard Guenther <rguenther@suse.de>
10340 PR middle-end/27773
10341 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
10342 to produce a constant of value 1 of generic type.
10344 2006-05-27 Dirk Mueller <dmueller@suse.de>
10346 * cgraphunit.c (decide_is_function_needed): Fix wrong
10349 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
10351 PR rtl-optimization/27661
10352 * reload.c (find_reloads): When reloading a VOIDmode constant
10353 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
10354 use Pmode as mode of the reload register.
10356 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
10358 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
10359 is enabled at -O and above.
10361 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
10364 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
10367 2006-05-25 Mark Mitchell <mark@codesourcery.com>
10370 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
10371 for anonymous variables explicitly declared by front ends.
10373 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10375 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
10376 (struct alias_info): Add new field ref_all_symbol_mem_tag.
10377 * tree-ssa-alias.c (compute_may_aliases): If the program contains
10378 ref-all pointers, run a finalization pass for them.
10379 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
10380 (finalize_ref_all_pointers): New function.
10381 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
10382 regular pointer type to a ref-all pointer type.
10383 (get_tmt_for): Return the special memory tag for ref-all pointers.
10385 2006-05-25 Richard Guenther <rguenther@suse.de>
10387 PR middle-end/27743
10388 * fold-const.c (fold_binary): Do not look at the stripped
10389 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
10391 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
10393 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
10394 for LT and GT if the computed range is effectively empty.
10396 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10399 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
10400 mips_quad_format formats instead of ieee_single_format,
10401 ieee_double_format and ieee_quad_format formats, respectively.
10403 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
10405 PR tree-optimization/27639
10406 PR tree-optimization/26719
10407 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
10408 call to scev_probably_wraps_p.
10409 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
10410 used_in_pointer_arithmetic_p, convert_step): Removed.
10411 (nowrap_type_p): New function.
10412 (scev_probably_wraps_p): Rewritten.
10413 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
10414 chrec_convert if chrec_convert_aggressive might have been used.
10415 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
10416 scev_direction): New functions.
10417 (chrec_convert): Changed to a wrapper over chrec_convert_1.
10418 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
10419 instead of convert_step.
10420 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
10421 (convert_step): Declaration removed.
10422 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
10424 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
10426 * df-core.c: Added to header comments.
10427 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
10428 df_ur_bb_info, df_urec_bb_info): Added comments.
10429 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
10430 urec, ri problems): Fixed header comments.
10431 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
10432 code from df_rd_transfer_function.
10434 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10436 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
10437 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
10438 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
10440 2006-05-23 Joseph Myers <joseph@codesourcery.com>
10442 * expr.c (undefined_operand_subword_p): New.
10443 (emit_move_multi_word): Do not generate move from undefined bits
10444 of a paradoxical subreg.
10446 2006-05-23 Richard Sandiford <richard@codesourcery.com>
10448 PR rtl-optimization/27736
10449 * combine.c (replaced_rhs_value): New variable.
10450 (combine_instructions): Set it.
10451 (distribute_notes): When distributing a note in replaced_rhs_insn,
10452 check whether the value was used in replaced_rhs_value.
10454 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
10457 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
10458 add_referenced_var instead of add_referenced_tmp_var.
10459 * tree-complex.c (create_one_component_var): Use add_referenced_var.
10460 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
10461 add_referenced_var.
10462 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
10463 tree_optimize_tail_calls_1): Use add_referenced_var.
10464 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
10465 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
10466 Use add_referenced_var.
10467 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
10468 * gimplify.c (force_gimple_operand): Use add_referenced_var.
10469 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
10470 Use add_referenced_var.
10471 * tree-dfa.c (struct walk_state): Remove.
10472 (find_referenced_vars): Remove walk state and vars_found hash table.
10473 (make_rename_temp): Use add_referenced_var.
10474 (find_vars_r): Pass less parameters to add_referenced_var.
10475 (referenced_var_p): New. Is var in referenced_var hash table.
10476 (referenced_var_insert): Assert var isn't already in hash table.
10477 (add_referenced_var): Don't need walk_state parameter. Add var if it
10478 isn't already in the hash table.
10479 (add_referenced_tmp_var): Remove.
10480 (find_new_referenced_vars_1): Use add_referenced_var.
10481 * tree-ssa-pre.c (create_expression_by_pieces,
10482 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
10483 Use add_referenced_var.
10484 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
10485 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
10486 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
10487 add_referenced_var.
10488 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
10489 vect_create_data_ref_ptr, vect_create_destination_var,
10490 vect_init_vector, vect_build_loop_niters,
10491 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
10492 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
10493 Use add_referenced_var.
10494 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
10495 * tree-flow.h (add_referenced_tmp_var): Remove prototype
10496 (add_referenced_var): Add prototype.
10497 * tree-ssa-structalias.c (get_constraint_for,
10498 intra_create_variable_infos): Use add_referenced_var.
10500 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
10502 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
10503 big-endian paradoxical subregs.
10504 * var-tracking.c (struct micro_operation_def): Document that,
10505 for modify micro operations, insn is the subsequent instruction.
10506 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
10507 (var_reg_set, var_mem_set): ... new functions.
10508 (add_stores): Record subsequent insn.
10509 (compute_bb_dataflow): Use new functions for MO_USE.
10510 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
10511 notes after the insn, and modify notes before the insn known
10512 to be the subsequent one.
10513 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
10515 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
10518 * config/i386/i386.c (ix86_expand_builtin): Use
10519 gen_sse3_monitor64 for TARGET_64BIT.
10521 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
10523 PR rtl-optimization/26375
10524 PR rtl-optimization/26855
10525 * df-problems (df_ru_bb_local_compute_process_def): Removed update
10527 (df_ru_bb_local_compute): Reversed statements and removed bogus
10528 comment explaining why they should be in wrong order.
10529 (df_ru_dump, df_rd_dump): Enhanced debug info.
10530 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
10532 * ddg.c (add_deps_for_def): Converted use of reaching defs to
10533 reaching uses and fixed space problem.
10535 2006-05-23 Jan Hubicka <jh@suse.cz>
10537 * cgraphunit.c (decide_is_function_needed): Also nested functions
10538 and functions declared inline can be optimized out at -O0.
10540 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
10542 * doc/install.texi (Configuration): Remove reference to CrossGCC
10543 FAQ which was gone.
10546 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10549 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
10550 ix86_compare_emitted is non-NULL.
10552 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10555 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
10558 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10560 PR rtl-optimization/25514
10561 * combine.c (replaced_rhs_insn): New variable.
10562 (combine_instructions): Set replaced_rhs_insn when trying to replace
10563 a SET_SRC with a REG_EQUAL note.
10564 (distribute_notes): Use replaced_rhs_insn when determining the live
10565 range of a REG_DEAD register.
10567 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
10568 Anatoly Sokolov <aesok@post.ru>
10570 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
10571 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
10572 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
10573 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
10574 atmega3290, atmega649, atmega6490, atmega406, atmega640,
10575 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
10576 at90usb647, at90usb1286 and at90usb1287 devices.
10577 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
10578 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
10580 2006-05-22 Richard Sandiford <richard@codesourcery.com>
10582 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
10584 2006-05-22 Richard Guenther <rguenther@suse.de>
10587 2006-01-31 Richard Guenther <rguenther@suse.de>
10588 Paolo Bonzini <bonzini@gnu.org>
10590 * doc/install.texi (--disable-libgcc-math): Document.
10592 2006-05-22 Richard Guenther <rguenther@suse.de>
10595 2006-01-31 Richard Guenther <rguenther@suse.de>
10597 * doc/invoke.texi (-msselibm): Document.
10598 * target.h (expand_library_builtin): New target hook.
10599 * builtins.c (expand_builtin): Use expand_library_builtin.
10600 (default_expand_library_builtin): New function.
10601 * gcc.c (LINK_GCC_MATH_SPEC): Define.
10602 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
10603 (link_gcc_math_spec): Declare.
10604 (static_specs): Add link_gcc_math_spec.
10605 * expr.h (default_expand_library_builtin): Declare.
10606 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10607 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
10608 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
10609 * config/i386/i386.opt (msselibm): New target option.
10610 * config/i386/i386.c (ix86_builtin_function_variants): New array.
10611 (ix86_init_sse_abi_builtins): New function.
10612 (ix86_expand_library_builtin): Likewise.
10613 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
10614 (override_options): Handle error conditions wrt -msselibm.
10615 (ix86_builtins): Add function codes for SSE2 ABI builtins.
10616 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
10617 * doc/extend.texi (__builtin_sse2_*): Document new target specific
10620 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10623 * c-common.c (self_promoting_args_p): Skip erroneous args.
10626 * c-decl.c (finish_struct): Skip erroneous fields.
10628 2006-05-22 Nick Clifton <nickc@redhat.com>
10630 * config/cris/cris.opt (march): Remove VarExists attribute.
10631 (max-stackframe=): Likewise.
10633 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
10635 * doc/rtl.texi: Fix a typo.
10636 * see.c: Fix comment typos.
10638 * tree-ssa-structalias.h (alias_info): Remove num_references.
10640 2006-05-21 Mike Stump <mrs@apple.com>
10642 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
10644 (darwin_pragma_options): Use BAD instead.
10645 (darwin_pragma_unused): Likewise.
10646 (darwin_pragma_ms_struct): Likewise.
10648 2006-05-21 David Edelsohn <edelsohn@gnu.org>
10650 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
10652 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
10654 PR rtl-optimization/27671
10655 * simplify-rtx.c (simplify_relational_operation_1): Fix
10656 simplifications of (eq/ne (xor x y) y) and
10657 (eq/ne (xor x y) x).
10659 PR tree-optimization/26622.
10660 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
10663 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10665 * tree-cfg.c: Prune whitespace.
10666 (debug_tree_cfg): Point to correct header containing the
10669 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
10671 PR middle-end/25776
10672 * cgraphunit.c (verify_cgraph_node): Typo in error message.
10674 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
10676 PR middle-end/25776
10677 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
10678 or sorry count is non zero.
10680 2006-05-20 Andreas Schwab <schwab@suse.de>
10682 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
10684 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
10685 Kenneth Zadeck <zadeck@naturalbridge.com>
10687 PR rtl-optimization/26855
10689 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
10691 (df_scan_alloc): Added code to properly handle multiword hard
10692 registers and add all_blocks parameter.
10693 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
10694 code to properly handle multiword hard registers.
10695 (df_rescan_blocks): Added code to remove deleted blocks from
10697 (df_ref_create_structure, df_ref_record): Added code to properly
10699 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
10700 and set DF_REF_PARTIAL.
10701 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
10702 (df_uses_record): Added DF_REF_PARTIAL for subreg.
10703 (df_scan_add_problem): Added flags parameter.
10704 (df_ref_create_structure): Changed switching structure.
10705 (df_bb_refs_record): Fixed case where duplicate artificial refs
10706 were created. Changed location of flags.
10707 (df_record_entry_block_defs): Added code to make stack pointer
10708 live in entry block. Refined cases where frame pointer is needed.
10709 Changed location of flags.
10710 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
10711 (df_set_state): Removed function.
10712 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
10713 df_insn_create_insn_record, df_insn_refs_delete,
10714 df_ref_create_structure): Formatting changes.
10715 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
10716 df_delete_basic_block): New function.
10717 (df_init): Changed location of flags.
10718 (df_add_problem): Added flags parameter and the way flags are
10720 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
10721 debug_df_chain): Improved debugging output.
10722 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
10723 (df_refs_chain_dump): Removed df parameter.
10724 (df_iterative_dataflow): Added consistency check.
10725 (df_prune_to_subcfg): Made public.
10726 (df_analyze_problem): Added blocks_to_init parameter and made
10728 (df_ref_record, df_bb_refs_record, df_mark_reg,
10729 df_record_exit_block_uses): Whitespace changes.
10730 (df_dump): Whitespace changes.
10731 * df.h: Some reordering to remove forward references.
10732 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
10733 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
10734 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
10735 (dataflow.flags): New field.
10736 (df.flag): Deleted field.
10737 (df_alloc_function): Added additional bitmap parameter.
10738 (df_dependent_problem_function): New type.
10739 (df_problem.changeable_flags): New field.
10740 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
10741 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
10742 (df_mw_hardreg): New struct.
10743 (DF_INSN_UID_MWS): New macro.
10744 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
10746 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
10747 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
10748 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
10749 (df_set_state): Removed function.
10750 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
10751 * df-problems.c (df_chain_dump): Removed df parameter.
10752 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
10753 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
10755 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
10756 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
10757 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
10758 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
10759 DF_REF_MUST_CLOBBER cases.
10760 (df_ru_bb_local_compute_process_def,
10761 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
10762 df_lr_bb_local_compute, df_ur_bb_local_compute,
10763 df_chain_create_bb): Made subreg aware.
10764 (df_ru_bb_local_compute, df_rd_bb_local_compute,
10765 df_lr_bb_local_compute, df_lr_bb_local_compute,
10766 df_chain_create_bb): Cleanup to use proper macros.
10767 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
10768 code to fixup bitvectors.
10769 (df_ri_alloc): Cleared lifetime.
10770 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
10771 df_create_unused_note): New function.
10772 (df_ri_bb_compute, df_ri_compute): Added code to create/update
10773 REG_DEAD and REG_UNUSED notes as well as register information.
10774 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
10775 df_chains_dump): Fixed crash if problem was never run.
10776 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
10777 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
10778 df_ri_add_problem): Processes flags in uniform manner.
10779 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
10780 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
10781 df_rd_dump, df_urec_free_bb_info): Formatting changes.
10782 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
10783 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
10784 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
10785 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
10786 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
10787 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
10788 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
10789 * see.c (see_initialize_data): Ditto.
10790 * final.c (rest_of_clean_state) Added regstack_completed.
10791 * rtl.h (regstack_completed): Ditto.
10792 * reg-stack.c (regstack_completed): Ditto.
10794 2006-05-19 Mike Stump <mrs@apple.com>
10796 * c-tree.h (default_conversion): Remove.
10797 * c-common.h (default_conversion): Add.
10799 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
10801 * tree-vrp.c (valid_value_p): New function.
10802 (adjust_range_with_scev): Fail if the value of bound is not
10805 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10807 * config/mips/linux-unwind.h: Include <asm/unistd.h>
10808 (mips_fallback_frame_state): Use syscall numbers to determine
10809 the appropriate li instruction for the current ABI. Only use
10810 __NR_sigreturn for o32.
10812 2006-05-19 Nicolas Setton <setton@adacore.com>
10814 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
10815 * langhooks.c (lhd_dwarf_name): New function.
10816 * langhooks-def.h (lhd_dwarf_name): Declare.
10817 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
10818 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
10820 2006-05-19 Richard Sandiford <richard@codesourcery.com>
10822 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
10824 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
10825 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
10826 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
10827 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
10828 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
10829 determine the size of Wtype, etc.
10830 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
10831 (swfloatfuncs): New variable.
10832 (dwfloatfuncs): Likewise.
10833 (lib2funcs): Remove floating-point conversion functions from
10834 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
10835 the set of conversion routines needed. Allow entries to specify
10836 an object name, filename and word size. Update users accordingly.
10837 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
10838 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
10842 2006-02-08 Roger Sayle <roger@eyesopen.com>
10845 * config/fixtfdi.c: New libgcc source file.
10846 * config/fixunstfdi.c: New source file.
10847 * config/floatditf.c: New source file.
10848 * config/floatunditf.c: New souce file.
10849 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10850 files above instead of config/mips/_tilib.c.
10851 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10853 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10855 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
10856 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
10858 2006-05-18 Mike Stump <mrs@apple.com>
10860 Fix up vla, vm and [*] sematics.
10866 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
10867 (c_vla_unspec_p): Add.
10868 (c_vla_type_p): Add.
10869 * c-decl.c (struct c_scope): Add had_vla_unspec.
10870 (build_array_declarator): Add support for [*].
10871 (grokdeclarator): Likewise.
10872 (grokparms): Likewise.
10873 (get_parm_info): Likewise.
10874 * c-objc-common.c (c_vla_unspec_p): Likewise.
10875 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
10876 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
10877 typeof when argument is a variably modified type not inside sizeof or alignof.
10878 (c_parser_direct_declarator_inner): Propagate errors.
10879 (c_parser_sizeof_expression): Add support for [*].
10880 (c_parser_parms_declarator): Initialize had_vla_unspec.
10881 (c_parser_parms_list_declarator): Likewise.
10882 * c-typeck.c (c_vla_type_p): Add.
10883 (composite_type): Add support for vla compositing.
10884 (comptypes_internal): Add support for vla compatibility.
10885 (c_expr_sizeof_expr): Evaluate vla arguments.
10886 * tree.c (variably_modified_type_p): Update comment for [*].
10888 2006-05-18 Michael Matz <matz@suse.de>
10891 * config.host: Make assignments to host_xmake_file cumulative.
10892 * config.host (*-darwin*): Test $host, not $target.
10894 2006-05-12 Stuart Hastings <stuart@apple.com>
10896 * config/i386/i386.opt (-mstackrealign): New flag.
10897 * config/i386/i386.c (force_align_arg_pointer): New attribute.
10898 (ix86_handle_cconv_attribute): Emit error when
10899 force_align_arg_pointer attribute collides with too many regparms.
10900 (ix86_function_regparm): Limit regparms when used with
10901 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
10902 Support stack-realigning prologue in non-main functions. Emit
10903 warning for nested functions under -mstackrealign, emit error for
10904 nested functions with force_align_arg_pointer attribute.
10905 * doc/extend.texi (force_align_arg_pointer): Document it.
10906 * doc/invoke.texi (-mstackrealign): Document it.
10908 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
10910 PR rtl-optimization/27477
10911 * combine.c (try_combine): Don't split a parallel consisting
10912 of two sets into two individual sets if both sets reference
10915 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
10917 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
10918 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
10920 * doc/options.texi (VarExists): Updated.
10922 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10924 * unwind-dw2.c: Add declarations for uw_update_context and
10925 uw_frame_state_for.
10926 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
10927 detected, advance frame state and context once to skip over stub.
10929 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10931 PR middle-end/20256
10932 PR middle-end/26435
10933 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
10934 Call rewrite_into_loop_closed_ssa only when something changed.
10935 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
10936 * lambda-code.c (can_convert_to_perfect_nest): Declared.
10937 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
10938 Test for perfect_nest_p here. Fix formating.
10939 (replace_uses_equiv_to_x_with_y): Fix formating.
10940 (stmt_uses_op): Removed.
10941 (can_convert_to_perfect_nest): Removed loopivs parameter.
10942 Complete the test by checking the scalar dependences.
10943 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
10946 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10949 From Dan Kegel <dank@kegel.com>:
10950 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
10952 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
10954 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
10955 if the element type is variably modified without recursing.
10957 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
10959 PR middle-end/27332
10960 * tree-loop-linear.c (try_interchange_loops): Test for
10961 no data dependences.
10963 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
10965 PR tree-optimization/27548
10966 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
10967 range of ssa names that appear on abnormal edges.
10968 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
10969 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
10971 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
10973 PR middle-end/27620
10974 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
10976 2006-05-17 Jakub Jelinek <jakub@redhat.com>
10978 PR middle-end/27415
10979 * tree.h (OMP_PARALLEL_COMBINED): Define.
10980 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
10981 (new_omp_context): Add is_combined_parallel argument.
10982 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
10983 new_omp_context caller.
10984 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
10985 Adjust gimplify_scan_omp_clauses callers.
10986 (omp_is_private): Issue errors if iteration variable is firstprivate
10987 or reduction in the current context.
10988 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
10989 on combined parallel workshare constructs.
10991 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
10993 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
10994 (gcc-options.o): New rule.
10996 * optc-gen.awk: Protect variables for gcc-options.o with
10997 #ifdef GCC_DRIVER/#endif.
10999 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
11001 Fix PR tree-optimization/27373
11002 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
11003 (forward_propagate_addr_expr): Update call.
11005 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11007 * doc/options.texi: Move the Negative option.
11009 2006-05-16 Richard Guenther <rguenther@suse.de>
11011 PR tree-optimization/22303
11012 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
11014 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
11015 ccp_fold did not simplify the statement.
11017 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
11020 * Makefile.in (GCC_OBJS): New.
11021 (OBJS-common): Add opts-common.o.
11022 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
11023 (cpp$(exeext)): Likewise.
11024 (gcc.o): Also depend on opts.h.
11025 (opts-common.o): New.
11027 * common.opt (gcoff): Add Negative(gdwarf-2).
11028 (gdwarf-2): Add Negative(gstabs).
11029 (gstabs): Add Negative(gstabs+).
11030 (gstabs+): Add Negative(gvms).
11031 (gvms): Add Negative(gxcoff).
11032 (gxcoff): Add Negative(gxcoff+).
11033 (gxcoff+): Add Negative(gcoff).
11034 * config/i386/i386.opt (m32): Add Negative(m64).
11035 (m64): Add Negative(m32).
11037 * doc/options.texi: Document the Negative option.
11039 * gcc.c: Include "opts.h".
11040 (main): Call prune_options after expandargv.
11042 * optc-gen.awk: Generate common declarations for all flag
11043 variables in options.c. Output the neg_index field.
11045 * opts.c (find_opt): Moved to ...
11046 * opts-common.c: Here. New file.
11048 * opts.h (cl_option): Add a neg_index field.
11050 (prune_options): Likewise.
11052 2006-05-16 Jakub Jelinek <jakub@redhat.com>
11054 PR middle-end/27573
11055 * omp-low.c (expand_omp_parallel): Don't assert
11056 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
11057 instead search for it.
11060 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
11063 2006-05-16 Andreas Schwab <schwab@suse.de>
11065 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
11068 2006-05-15 Roger Sayle <roger@eyesopen.com>
11071 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
11072 integer constants other than zero are only legitimate on TARGET_64BIT.
11073 <CONST_VECTOR> Only zero vectors are legitimate.
11074 (ix86_cannot_force_const_mem): Integral and vector constants can
11075 always be put in the constant pool.
11077 2006-05-16 DJ Delorie <dj@redhat.com>
11079 * crtstuff.c (__dso_handle): Set section from
11080 TARGET_LBIGCC_SDATA_SECTION if defined.
11081 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
11082 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
11084 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
11087 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
11090 2006-05-16 Ben Elliston <bje@au.ibm.com>
11092 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
11094 2006-05-15 Per Bothner <per@bothner.com>
11096 * tree.c: (last_annotated_node): Use source_locus typedef.
11097 This permits bootstrapping with --enable-mapped-location.
11099 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
11101 PR tree-optimization/26830
11102 * tree-into-ssa.c (struct ssa_name_info): Add age field.
11103 (info_for_ssa_name, current_info_for_ssa_name_age,
11104 blocks_to_update): New variables.
11105 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
11106 (clear_ssa_name_info, initialize_flags_in_bb,
11107 mark_block_for_update): New functions.
11108 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
11109 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
11110 prepare_def_site_for): Use mark_block_for_update.
11111 (mark_def_interesting): Assert that the processed block is marked in
11112 blocks_to_update. Do not take blocks argument.
11113 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
11115 (rewrite_update_init_block, rewrite_update_stmt): Only process
11116 blocks with statements to rewrite.
11117 (delete_update_ssa): Do not clear SSA_NAME_AUX.
11118 (update_ssa): Initialize and free blocks_to_update. Do not
11119 clear flags on statements. Do not use blocks bitmap.
11120 * tree.h (SSA_NAME_AUX): Removed.
11121 (struct tree_ssa_name): Removed aux field.
11122 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
11124 2006-05-15 Richard Guenther <rguenther@suse.de>
11126 PR tree-optimization/27603
11127 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
11128 Do computations in original type.
11130 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
11132 * see.c: Code style changes such as redundant paranthesis,
11133 redundant intialization of local variables etc.
11134 (see_main): Declared now as static.
11135 * doc/invoke.texi: Update that -fsee is not enabled by
11138 2006-05-15 Jakub Jelinek <jakub@redhat.com>
11140 * omp-low.c (check_omp_nesting_restrictions): New function.
11141 (scan_omp_1): Call it.
11143 PR middle-end/27416
11144 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
11145 construct, return *VAR.
11147 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
11149 PR rtl-optimization/27406
11150 * bt-load.c (migrate_btr_def): Skip the block having abnormal
11153 2006-05-14 Roger Sayle <roger@eyesopen.com>
11155 PR rtl-optimization/27538
11156 * combine.c (expand_compound_operation): Call gen_lowpart
11157 before calling simplify_shift_const.
11159 2006-05-14 Roger Sayle <roger@eyesopen.com>
11161 PR rtl-optimization/22563
11162 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
11163 a fixed width bitfield, always force the intermediates into psuedos.
11165 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
11168 * mkconfig.sh: Use operator = instead of == for test.
11170 2006-05-13 Nick Clifton <nickc@redhat.com>
11172 * dwarf2out.c (dbx_reg_number): Check return value from
11173 LEAF_REG_REMAP and only use it if it is valid.
11174 (multiple_reg_loc_descriptor): Likewise.
11176 2006-05-13 Richard Guenther <rguenther@suse.de>
11178 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
11181 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
11183 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
11184 information attached to non-INSNs such as NOTEs.
11185 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
11187 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
11189 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
11191 * config/s390/s390.md: Adjust comment describing On constraint.
11193 2006-05-11 Jan Hubicka <jh@suse.cz>
11195 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
11196 to be output at -O0.
11198 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11200 PR middle-end/27384
11201 * fold-const.c (size_binop): Move sanity check for arguments to
11202 the beginning of the function.
11204 PR middle-end/27488
11205 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
11208 2006-05-11 Richard Guenther <rguenther@suse.de>
11210 PR middle-end/27529
11211 * fold-const.c (fold_unary): Handle intermediate conversion
11212 to a pointer type like intermediate conversion to an integer
11213 type in folding of (T1)(T2)var to var.
11214 Match the code to the comment in the final conversion for
11215 (T1)(T2)var to (T1)var regarding to type precision. Rather
11216 than disallow T1 being of pointer type, assert that both T1
11217 and var are of pointer type or not. Make sure not to fall
11218 over the frontends lazyness wrt array to pointer decay though.
11220 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
11222 * arm.c (arm_struct_value_rtx): Delete.
11223 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
11224 (arm_init_cumulative_args): Always initialize nregs to zero.
11226 2006-05-10 Richard Guenther <rguenther@suse.de>
11228 PR tree-optimization/27532
11229 * tree-object-size.c (plus_expr_object_size): Fix typo.
11231 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
11234 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
11235 ashrdi_const, ashrdi3): Use a scratch register.
11237 2006-05-10 Richard Guenther <rguenther@suse.de>
11239 PR tree-optimization/27302
11240 * fold-const.c (operand_equal_p): For two comparisons,
11241 try comparison of one comparison code swapped if that yields
11244 2006-05-10 Ben Elliston <bje@au.ibm.com>
11246 * tree-pretty-print.c (pretty_print_string): No need to handle
11247 '\0' as a special character.
11249 * tree.h: Include "hashtab.h".
11250 (iterative_hash_expr): Use hashval_t in its prototype.
11251 * Makefile.in (TREE_H): Add $(HASHTAB_H).
11253 2006-05-09 Steve Ellcey <sje@cup.hp.com>
11256 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
11257 (hppa*64*-*-hpux11*): Ditto.
11258 (hppa[12]*-*-hpux11*): Ditto.
11260 2006-05-09 David Edelsohn <edelsohn@gnu.org>
11263 * config/rs6000/aix41.h (TARGET_64BIT): Define.
11265 2006-05-09 Michael Matz <matz@suse.de>
11267 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
11268 host_extra_gcc_objs and host_xmake_file.
11269 (<*-*-linux*>): Don't overwrite host_xmake_file.
11270 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
11271 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
11272 (host_detect_local_cpu): Declare.
11273 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
11274 * config/i386/i386.c (override_options): Handle -mtune=native
11276 * config/i386/x-i386: New file.
11277 * config/i386/driver-i386.c: New file.
11278 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
11281 2006-05-09 Dirk Mueller <dmueller@suse.de>
11282 Richard Guenther <rguenther@suse.de>
11284 PR middle-end/27498
11285 * fold-const.c (fold_read_from_constant_string): Relax check
11286 for matching types to matching modes.
11288 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
11290 PR rtl-optimization/27335
11291 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
11294 2006-05-08 Chao-ying Fu <fu@mips.com>
11295 Richard Sandiford <richard@codesourcery.com>
11297 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
11298 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
11299 * config/mips/mips.md (UNSPEC_SCC): New constant.
11300 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
11301 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
11302 (mips_emit_compare): Use it.
11303 (mips_expand_vcondv2sf): New function.
11305 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
11307 Fix PR tree-optimization/27093
11308 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
11309 renaming when they become not-used_alone.
11311 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11313 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
11314 relocation and relocation stubs.
11316 2006-05-08 Eric Christopher <echristo@apple.com>
11318 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
11321 2006-05-08 Jan Hubicka <jh@suse.cz>
11323 PR middle-end/24561
11324 * cgraphunit.c (decide_is_function_needed): When not optimizing even
11325 unused static functions are needed.
11327 2006-05-08 Roger Sayle <roger@eyesopen.com>
11330 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11331 of a reg_equiv_constant if the result is a legitimate constant.
11333 2006-05-08 Uros Bizjak <uros@kss-loka.si>
11336 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
11337 standard 80387 constants, raise the cost to prevent
11338 compress_float_constant() to generate load from memory.
11340 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
11342 * config/arm/constraints.md (c): Fix a typo.
11344 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
11347 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
11350 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
11352 (_mm_mwait): Likewise.
11354 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
11356 (sse3_monitor): Make it 32bit only.
11357 (sse3_monitor64): New. 64bit monitor.
11359 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11362 * config/i386/i386.c (classify_argument): Skip fields with invalid
11365 2006-05-07 Richard Guenther <rguenther@suse.de>
11367 PR tree-optimization/27409
11368 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11369 Do not try to find zero-sized subvars.
11371 2006-05-07 Richard Guenther <rguenther@suse.de>
11373 PR tree-optimization/27136
11374 * tree-ssa-loop-niter.c (get_val_for): Correct function
11375 comment, assert requirements.
11376 (loop_niter_by_eval): Stop processing if the iterated
11377 value did not simplify.
11379 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
11381 * opts.c (flag_see): remove its setting at -O3.
11383 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
11385 * genpeep.c (main): Make insn-peep.c depend on flags.h.
11386 * arm/constraints.md: New file.
11387 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
11388 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
11389 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
11390 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
11391 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
11392 (EXTRA_MEMORY_CONSTRAINT): Likewise.
11393 * arm.md: Include constraints.md.
11394 (thumb_movsi_insn): Use satisfies_constraint_J.
11395 (movhi, movqi): Use satisfies_constraint_I.
11397 2006-04-29 Anatoly Sokolov <aesok@post.ru>
11399 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
11400 for atmeg a645 device.
11402 2006-05-06 Richard Guenther <rguenther@suse.de>
11404 PR tree-optimization/27151
11405 * tree-vect-transform.c (vectorizable_condition): Punt on
11406 values that have a different type than the condition.
11408 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
11411 * c-parser.c (c_parser_cast_expression): Only insert casts into
11412 hash table if pointer.
11413 * function.c (used_types_insert_helper): Rename from
11415 (used_types_insert): Call used_types_insert_helper.
11416 * function.h (used_types_insert): Accept only one argument.
11418 2006-05-05 David Edelsohn <edesohn@gnu.org>
11420 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
11421 scratch with output modifier.
11423 2006-05-04 David Edelsohn <edelsohn@gnu.org>
11426 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
11427 with output modifier.
11429 2006-05-04 Richard Sandiford <richard@codesourcery.com>
11432 * config/mips/mips.c (mips_symbolic_address_p): Return true
11433 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
11434 SYMBOL_GOTTPREL, and SYMBOL_TLS.
11436 2006-05-04 Richard Guenther <rguenther@suse.de>
11438 PR tree-optimization/14287
11439 PR tree-optimization/14844
11440 PR tree-optimization/19792
11441 PR tree-optimization/21608
11442 PR tree-optimization/27090
11443 * tree-ssa-pre.c (try_combine_conversion): New function.
11444 (compute_avail): After constructing the value-handle
11445 expression, use try_combine_conversion to combine NOP_EXPRs
11446 with previous value-handle expressions and use the result if it
11449 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
11451 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
11453 2006-05-04 Jan Hubicka <jh@suse.cz>
11455 PR middle-end/25962
11456 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
11458 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
11460 * config/bfin/predicates.md (const01_rtx): Tell generator programs
11461 that this only matches CONST_INTs. All users changed to VOIDmode
11464 * config/bfin/bfin.c: Include "optabs.h".
11465 (bfin_rtx_costs): Some costs for vector operations, to allow combine
11467 (enum bfin_builtins): Add a number of fractional and vector builtins.
11468 (bfin_init_builtins): Likewise.
11469 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
11470 (safe_vector_operand, bfin_expand_binop_builtin,
11471 bfin_expand_unop_builtin): New functions.
11472 (bfin_expand_builtin): Handle the new builtins.
11473 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
11476 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
11479 * Makefile.in (OBJS-common): Add see.o.
11480 (see.o): Add dependencies.
11481 * common.opt (fsee): New flag for the see optimization was added.
11482 * opts.c (flag_see): Initialized.
11483 * passes.c (init_optimization_passes, pass_see): New pass.
11484 * rtl.h (see_main): Declaration as extern.
11485 * timevar.def (TV_SEE): New.
11486 * tree-pass.h (pass_see): Declaration as extern.
11487 * invoke.texi (-fsee): Document.
11488 * recog.c (validate_simplify_insn): New function.
11489 * recog.h (validate_simplify_insn): Declaration as extern.
11490 * df-problems.c (df_chain_dump): Check for NULL.
11492 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
11493 Daniel Berlin <dberlin@dberlin.org>
11495 * cfgrtl.c (insert_insn_bb_end_new): New function.
11496 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
11498 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11500 * df.h (struct web_entry): Moved from web.c.
11501 (union_defs): Declaration as extern.
11502 (unionfind_root): Likewise.
11503 (unionfind_union): Likewise.
11504 * web.c (struct web_entry): Moved to df.h.
11505 (unionfind_root): Remove static declaration.
11506 (unionfind_union): Likewise.
11507 (union_defs): Likewise and generalize to use callback function.
11508 (web_main): Update arguments for union_defs function call.
11510 2006-05-04 Richard Guenther <rguenther@suse.de>
11512 PR tree-optimization/26447
11513 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
11514 produce SSA_NAME copies before the store stmt to avoid
11515 breaking exception handling.
11517 2006-05-04 Jakub Jelinek <jakub@redhat.com>
11519 PR middle-end/27388
11520 * gimplify.c (omp_is_private): If var is shared in some outer context,
11521 return false instead of true. Stop searching on parallel context
11524 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
11527 * coverage.c: Use get_gcov_unsigned_t() instead of
11528 unsigned_type_node all over.
11530 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
11532 PR tree-optimization/27381
11533 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
11534 maintain the same immediate_use links.
11535 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
11536 node rather than segfaulting.
11538 2006-05-03 Jakub Jelinek <jakub@redhat.com>
11541 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
11542 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
11543 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
11545 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
11547 Fix PR tree-optimization/26626
11548 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
11550 * tree-ssa-operands.c (access_can_touch_variable): Allow
11551 typecasting through union pointers.
11553 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11556 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
11557 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
11558 to find if var will be a global variable even in the nested context.
11559 (omp_copy_decl): Only check for global variable at the end, it might
11560 be overridden in outer contexts.
11561 (scan_sharing_clauses): For global variables don't create a field.
11562 (lower_rec_input_clauses): Do nothing for global shared variables.
11563 Emit a barrier at the end of ILIST if there were any decls in both
11564 firstprivate and lastprivate clauses.
11565 (lower_send_clauses): Do nothing for global variables except for
11568 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
11570 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
11571 of the correct signedness is returned.
11573 2006-05-02 Jeff Law <law@redhat.com>
11575 PR tree-optimization/27364
11576 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
11577 multiply expressions.
11579 2006-05-02 Tom Tromey <tromey@redhat.com>
11581 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
11583 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
11586 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
11587 -mthumb -fPIC are used.
11589 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
11590 Joshua Kinard <kumba@gentoo.org>
11593 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
11594 with 64-bit pointers.
11596 2006-05-02 Paul Brook <paul@codesourcery.com>
11598 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
11600 (create_fix_barrier): Check that a suitable barrier location is
11602 (arm_reorg): Include ftmp->address in allowable range of addresses.
11604 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11607 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
11610 2006-05-02 Jakub Jelinek <jakub@redhat.com>
11612 PR middle-end/27337
11613 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
11614 around RESULT_DECL for result passed by reference.
11615 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
11616 * omp-low.c (use_pointer_for_field): Don't look at
11617 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
11618 (scan_omp_1): Call remap_decl on RESULT_DECLs.
11619 (lower_rec_input_clauses): Don't allocate VLA memory for the second
11620 time or var for passing by reference for
11621 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
11622 TREE_ADDRESSABLE variables when passing by reference.
11624 * omp-low.c (dump_omp_region): Fix output formatting.
11626 PR middle-end/27328
11627 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
11628 (expand_omp_parallel): Likewise.
11629 * tree-cfg.c (move_sese_region_to_fn): Likewise.
11631 PR middle-end/27325
11632 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
11633 on statement list containing also constructors and destructors.
11634 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
11636 PR middle-end/27310
11637 * except.c (duplicate_eh_regions): Fix clearing of
11638 cfun->eh->region_array entries.
11640 2006-05-01 DJ Delorie <dj@redhat.com>
11642 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
11644 (gcc_cv_objdump): Likewise.
11645 * configure: Regenerated.
11647 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
11650 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
11651 templates for case 3 and 4.
11653 2006-05-01 DJ Delorie <dj@redhat.com>
11655 * vec.c: Include bconfig.h when appropriate.
11656 * Makefile.in (build/vec.o): Adjust dependencies.
11657 * mkconfig.sh: Make sure config.h isn't used for build machine
11660 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11662 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
11664 (mark_phi_for_rewrite): New function.
11665 (insert_phi_nodes_for, mark_use_interesting): Call
11666 mark_phi_for_rewrite.
11667 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
11668 (update_ssa): Initialize and free phis_to_rewrite.
11670 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11672 PR rtl-optimization/27291
11673 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
11674 folded to a constant.
11676 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11678 PR tree-optimization/27283
11679 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
11680 not whole # of iteration descriptions.
11681 (niter_for_exit): Return just # of iterations. Fail if # of iterations
11682 uses abnormal ssa name.
11683 (niter_for_single_dom_exit): Ditto.
11684 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
11685 return just the number of iterations.
11687 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
11689 PR tree-optimization/27144
11690 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
11691 (record_estimate): Only record constant upper bound.
11692 (infer_loop_bounds_from_undefined): Call
11693 compute_estimated_nb_iterations just once.
11694 (proved_non_wrapping_p): Renamed to ...
11695 (n_of_executions_at_most): ... this. Expect bound to be a constant.
11696 (convert_step_widening, scev_probably_wraps_p): Call
11697 n_of_executions_at_most instead of proved_non_wrapping_p.
11698 (substitute_in_loop_info): Do not replace values in bounds.
11699 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
11702 2006-05-01 Richard Henderson <rth@redhat.com>
11705 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
11706 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
11709 2006-05-01 Roger Sayle <roger@eyesopen.com>
11711 * c-typeck.c (parser_build_binary_op): Don't call the function
11712 unsigned_conversion_warning to spot operand/result type overflow.
11713 (build_binary_op): Instead, call convert_and_check instead of
11714 convert to report the problem when the operands are promoted.
11715 * c-common.c (unsigned_conversion_warning): Make static.
11716 * c-common.h (unsigned_conversion_warning): Delete prototype.
11718 2006-05-01 Richard Guenther <rguenther@suse.de>
11720 PR tree-optimization/26726
11721 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
11723 (find_interesting_uses_address): ... we work around here
11724 by folding INDIRECT_REFs in the substituted base.
11726 2006-05-01 Diego Novillo <dnovillo@redhat.com>
11728 * omp-low.c (dump_omp_region): Add newlines.
11730 2006-04-30 Roger Sayle <roger@eyesopen.com>
11732 * common.opt (Woverflow): New command line option.
11733 * c-common.c (constant_expression_warning): Check warn_overflow.
11734 (overflow_waring): Pass OPT_Woverflow to warning.
11735 (unsigned_conversion_warning): Likewise.
11736 (convert_and_check): Likewise.
11737 * doc/invoke.texi: Document new command line option.
11739 2006-04-30 David Edelsohn <edelsohn@gnu.org>
11741 * config/rs6000/rs6000.c (rs6000_override_options): Enable
11742 TARGET_NO_FP_IN_TOC for section anchors.
11743 (optimization_options): Enable section anchors for all
11744 non-"Objective" languages.
11746 2006-04-28 Eric Christopher <echristo@apple.com>
11748 * config/darwin-c.c (darwin_ms_struct): Move this
11749 (darwin_set_default_type_attributes): and this...
11750 * config/darwin.c: ... here.
11751 * config/darwin.h (darwin_ms_struct): Declare.
11753 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
11755 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
11757 2006-04-28 Roger Sayle <roger@eyesopen.com>
11760 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
11761 (push_array_bounds): Delete prototype. Change BOUNDS argument to
11762 an unsigned HOST_WIDE_INT.
11763 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
11765 (really_start_incremental_init): No need to call convert because
11766 bitsize_zero_node is already of type bitsizetype.
11767 (push_init_level): Extract the value of constructor_index as an
11768 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
11769 (process_init_element): Likewise.
11771 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
11773 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
11774 value before passing to make_relative_prefix.
11776 2006-04-28 Alan Modra <amodra@bigpond.net.au>
11778 PR middle-end/27260
11779 * builtins.c (expand_builtin_memset): Expand val in original mode.
11781 2006-04-27 Eric Christopher <echristo@apple.com>
11783 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
11784 with #ifndef/#endif.
11785 * config/darwin-c.c (darwin_ms_struct): New.
11786 (darwin_pragma_ms_struct): Ditto.
11787 (darwin_set_default_type_attributes): Ditto.
11788 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
11789 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
11790 Register ms_struct pragma.
11791 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
11792 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
11793 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
11794 darwin_set_default_type_attributes if TARGET_MACHO.
11796 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
11798 PR tree-optimization/26854
11799 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
11800 * doc/tree-ssa.texi: Update immuse iterator documentation.
11801 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
11802 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
11803 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
11804 first_safe_imm_use, next_safe_imm_use): Remove.
11805 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
11806 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
11807 (move_use_after_head): New. Helper function to sort immuses in a stmt.
11808 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
11809 (first_imm_use_stmt): New. Get first stmt in an immuse list.
11810 (next_imm_use_stmt): New. Get next stmt in an immuse list.
11811 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
11812 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
11813 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
11814 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
11815 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
11816 (perfect_nestify): Use new iterator.
11817 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
11819 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
11820 (next_imm_name): New field in struct immediate_use_iterator_d.
11821 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
11822 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
11823 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
11824 * tree-cfg.c (replace_uses_by): Use new iterator.
11825 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
11826 * tree-ssa-operands.c (correct_use_link): Remove.
11827 (finalize_ssa_use_ops): No longer call correct_use_link.
11829 2006-04-27 Stuart Hastings <stuart@apple.com>
11831 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
11832 * config/t-darwin (crt3.o): Use it.
11833 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
11834 'pmode', use Pmode instead of SImode for SYMBOL_REF.
11835 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
11836 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
11837 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
11840 2006-04-27 Roger Sayle <roger@eyesopen.com>
11842 * expmed.c (store_fixed_bit_field): If we're not optimizing for
11843 size, force the intermediate into a new pseudo rather instead of
11844 performing both a bitwise AND and a bitwise IOR in memory.
11846 2006-04-27 Richard Guenther <rguenther@suse.de>
11848 PR rtl-optimization/26685
11849 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
11850 this one "max-flow-memory-locations".
11852 2006-04-27 Richard Guenther <rguenther@suse.de>
11854 PR tree-optimization/25148
11855 * tree-vrp.c (compare_values): Remove code dealing with
11856 comparisons against type min/max value. Honour overflow
11857 and negative constants in code dealing with comparisons
11858 of plus and minus expressions.
11859 (value_inside_range): Use fold_binary with LE_EXPR and
11860 GE_EXPR rather than compare_values.
11862 2006-04-27 Dirk Mueller <dmueller@suse.de>
11864 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
11867 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
11869 * basic-block.h (safe_insert_insn_on_edge): Removed.
11870 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
11872 2006-04-26 David Edelsohn <edelsohn@gnu.org>
11873 Paolo Bonzini <bonzini@gnu.org>
11875 PR middle-end/27282
11876 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
11877 (simplify_and_const_int): Same.
11879 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
11881 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
11883 2006-04-26 Jakub Jelinek <jakub@redhat.com>
11886 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
11887 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
11888 cgraph_global_info_ready.
11890 PR middle-end/26913
11891 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
11894 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
11895 either decl or init is error_mark_node.
11897 PR middle-end/25989
11898 * tree-flow.h (struct omp_region): Add sched_kind.
11899 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
11900 instead of extracting omp for data.
11901 (expand_omp_for): Save extracted sched_kind.
11903 2006-04-25 Roger Sayle <roger@eyesopen.com>
11905 * expmed.c (store_bit_field): Also check whether the bitsize is
11906 valid for the machine's "insv" instruction before moving the
11907 target into a pseudo for use with the insv.
11908 * config/i386/predicates.md (const8_operand): New predicate.
11909 * config/i386/i386.md (extv, extzv, insv): Use the new
11910 const8_operand predicate where appropriate.
11912 2006-04-25 DJ Delorie <dj@redhat.com>
11914 * doc/install.texi (Specific): Clarify that this is not a list of
11915 supported hosts or targets.
11917 2006-04-25 Richard Sandiford <richard@codesourcery.com>
11919 PR rtl-optimization/26725
11920 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
11921 block's BB_DIRTY flag.
11923 2006-04-25 Geoffrey Keating <geoffk@apple.com>
11925 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
11928 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
11929 to print an integer.
11931 2006-04-25 David Edelsohn <edelsohn@gnu.org>
11933 * varasm.c (align_variable): New function.
11934 (get_block_for_decl): Apply align_variable to DECL before
11935 calculating section information.
11936 (assemble_variable): Split out alignment computation.
11938 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
11940 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
11943 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
11945 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
11946 MODE_PARTIAL_INT mode.
11947 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
11948 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
11950 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
11951 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
11953 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
11955 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
11957 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
11958 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
11959 MACFLAG_IH): Likewise.
11960 (movstricthi_1): Renamed from "*movstricthi".
11961 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
11962 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
11963 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
11964 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
11965 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
11966 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
11967 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
11968 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
11969 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
11970 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
11971 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
11972 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
11973 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
11974 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
11975 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
11977 * doc/rtl.texi (ss_ashift): Improve wording.
11979 2006-04-24 Geoffrey Keating <geoffk@apple.com>
11981 * dwarf2out.c (verify_marks_clear): New.
11982 (prune_unused_types): Call verify_marks_clear initially, not
11985 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
11987 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
11988 * doc/rtl.texi: Document them.
11989 * simplify-rtx.c (simplify_unary_operation,
11990 simplify_binary_operation_1): Don't abort when we see them.
11992 2006-04-24 Mark Mitchell <mark@codesourcery.com>
11995 2006-04-23 Mark Mitchell <mark@codesourcery.com>
11996 * configure.ac: Completely disregard languages that are not
11998 * configure: Regenerated.
12000 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12001 Richard Guenther <rguenther@suse.de>
12003 PR tree-optimization/27236
12004 * tree-inline.c (copy_body_r): Make sure to copy
12005 TREE_THIS_VOLATILE flag.
12007 2006-04-24 Richard Guenther <rguenther@suse.de>
12009 PR middle-end/26869
12010 * tree-complex.c (update_parameter_components): Don't handle
12011 unused parameters which have no default def.
12013 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
12014 Richard Guenther <rguenther@suse.de>
12016 PR tree-optimization/27218
12017 * tree-inline.c (expand_call_inline): Strip useless type
12018 conversions for the return slot address.
12020 2006-04-24 Richard Guenther <rguenther@suse.de>
12022 * cfgloop.h (struct loops): Remove unused field array. Reorder
12024 (LOOP_PREFETCH): Remove.
12026 2006-04-24 Richard Guenther <rguenther@suse.de>
12028 PR tree-optimization/22525
12029 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
12030 variable, adjust types of generated expressions.
12032 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
12034 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
12035 (tree-vect-patterns.o): Likewise.
12036 (jump.o): Likewise.
12037 (cselib.o): Likewise.
12038 (loop-doloop.o): Likewise.
12039 (regclass.o): Likewise.
12040 (reload1.o): Likewise.
12041 (explow.o): Replace target.h with $(TARGET_H).
12042 (ipa-prop.o): Likewise.
12043 (ipa-cp.o): Likewise.
12044 (ipa-inline.o): Likewise.
12045 (reorg.o): Likewise.
12046 (reg-stack.o): Likewise.
12048 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12050 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
12052 2006-04-23 Mark Mitchell <mark@codesourcery.com>
12054 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
12056 * configure.ac: Completely disregard languages that are not
12058 * configure: Regenerated.
12061 * c-common.h (c_build_bitfield_integer_type): Declare.
12062 * c-decl.c (c_build_bitfield_integer_type): Move to ...
12063 * c-common.c (c_build_bitfield_integer_type): ... here.
12065 2006-04-23 Roger Sayle <roger@eyesopen.com>
12068 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
12069 a SImode SUBREG of a floating point register after no_new_pseudos.
12071 2006-04-23 Roger Sayle <roger@eyesopen.com>
12073 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
12074 identify potentially eliminable registers to additionally catch
12075 VIRTUAL_INCOMING_ARGS_REGNUM.
12076 (addsi3): Update the conditions on when to use addsi_small_int.
12078 2006-04-23 Roger Sayle <roger@eyesopen.com>
12081 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
12082 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
12083 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
12085 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
12087 * fold-const.c (range_predecessor): Use operand_equal_p
12088 as the predicate for equality.
12089 (range_successor): Likewise.
12091 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12094 * config/soft-fp/op-common.h: Fix a typo.
12096 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
12098 PR libmudflap/26864
12099 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
12100 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
12102 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
12104 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
12106 * doc/tm.texi: Fix a typo.
12108 2006-04-21 Geoffrey Keating <geoffk@apple.com>
12110 * dwarf2out.c (struct die_struct): Document that die_sib makes
12111 a circular linked list.
12112 (FOR_EACH_CHILD): New.
12113 (reverse_die_lists): Delete.
12114 (reverse_all_dies): Delete.
12115 (add_dwarf_attr): Correct documentation.
12116 (remove_child_with_prev): New.
12117 (remove_child_TAG): Update for change to die_struct, use
12118 remove_child_with_prev.
12119 (add_child_die): Update for change to die_struct.
12120 (splice_child_die): Use remove_child_with_prev and add_child_die.
12121 (print_die): Use FOR_EACH_CHILD.
12122 (die_checksum): Likewise.
12123 (assign_symbol_names): Likewise.
12124 (output_location_lists): Likewise.
12125 (build_abbrev_table): Likewise.
12126 (calc_die_sizes): Likewise.
12127 (mark_dies): Likewise.
12128 (unmark_dies): Likewise.
12129 (unmark_all_dies): Likewise.
12130 (output_die): Likewise.
12131 (prune_unused_types_mark): Likewise.
12132 (prune_unused_types_walk): Likewise.
12133 (same_die_p): Update for change to die_struct.
12134 (break_out_includes): Likewise.
12135 (prune_unused_types_prune): Likewise.
12136 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
12137 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
12138 it's already clear.
12139 (dwarf2out_finish): Don't call reverse_all_dies.
12141 2006-04-21 Eric Christopher <echristo@apple.com>
12143 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
12144 in comments and function names.
12146 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12149 * c-typeck.c (digest_init): Robustify.
12151 * c-typeck.c (pop_init_level): Simplify.
12153 2006-04-21 Steve Ellcey <sje@cup.hp.com>
12155 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
12157 2006-04-21 Paul Brook <paul@codesourcery.com>
12159 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
12160 hardware floating point.
12162 2006-04-21 David Edelsohn <edelsohn@gnu.org>
12164 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
12167 2006-04-21 Nick Clifton <nickc@redhat.com>
12169 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
12172 2006-04-21 Alan Modra <amodra@bigpond.net.au>
12175 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
12176 C++ lang type in traceback table for Objective-C++.
12178 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
12180 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
12182 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
12184 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12187 * tree-mudflap.c (mudflap_finish_file): Skip function when there
12188 were errors. Remove check for erroneous objects.
12190 2006-04-20 Jeff Law <law@redhat.com>
12192 PR tree-optimization/26854
12193 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
12194 checking for zero or one use.
12195 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
12196 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
12197 * tree-ssa-reassoc.c (negate_value): Similarly.
12198 (reassociate_bb): Similarly.
12200 2006-04-20 Jakub Jelinek <jakub@redhat.com>
12203 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
12204 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
12205 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
12207 2006-04-20 Alan Modra <amodra@bigpond.net.au>
12209 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
12210 fp regs if the last fp arg doesn't fit in regs.
12212 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
12215 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
12216 that the last insn has the REG_INC note.
12218 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
12219 Nathan Sidwell <nathan@codesourcery.com>
12222 * stor-layout.c (update_alignment_for_field): Do not align
12224 (place_union_field): Place union field at the start of the union.
12225 (place_field): Move ERROR_MARK check later, and use the current
12226 allocation position to maintain monotonicity.
12228 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
12230 * dominance.c: Include timevar.h.
12231 (calculate_dominance_info): Use TV_DOMINANCE.
12232 * timevar.def (TV_DOMINANCE): New timevar.
12233 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
12235 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12237 PR rtl-optimization/14261
12238 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
12239 move would be an INSV insn.
12240 (noce_process_if_block): Don't optimize if the destination is a
12241 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
12243 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
12245 * config/s390/s390.md: Add comments with the instructions emitted
12246 by an insn pattern if macros are used.
12248 2006-04-19 Alan Modra <amodra@bigpond.net.au>
12250 PR rtl-optimization/26026
12251 * fold-const.c (fold_binary): Optimize div and mod where the divisor
12252 is a known power of two shifted left a variable amount.
12254 2006-04-18 Geoffrey Keating <geoffk@apple.com>
12256 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
12257 to hash table twice when the debug_str section has SECTION_MERGE.
12259 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
12261 * config/soft-fp: New directory. From glibc.
12262 * config/soft-fp/t-softfp: New.
12263 * config/soft-fp/README: New.
12264 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
12265 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
12266 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
12267 (LIBGCC_DEPS): Add $(SFP_MACHINE).
12268 * config.gcc: Use rs6000/t-fprules-fpbit or
12269 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
12271 * config/rs6000/sfp-machine.h: New. Based on glibc.
12272 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
12274 * config/rs6000/t-fprules: Remove fp-bit rules.
12275 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
12276 * config/rs6000/t-linux64: Likewise. Remove duplicates from
12277 LIB2FUNCS_EXTRA. Remove fp-bit rules.
12278 (softfp_wrap_start, softfp_wrap_end): New.
12280 2006-04-18 DJ Delorie <dj@redhat.com>
12282 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
12284 2006-04-18 Devang Patel <dpatel@apple.com>
12286 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
12288 2006-04-18 Nick Clifton <nickc@redhat.com>
12290 * config/sh/t-symbian: Add rule to build sh-c.o
12291 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
12292 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
12293 (sh_symbian_encode_section_info): Likewise.
12295 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
12297 * builtins.c (expand_builtin_strcmp): Cover label definition of
12298 do_libcall with HAVE_cmpstrnsi.
12300 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
12302 * function.c (temp_slots_at_level, max_slot_level): Use VEC
12304 * function.h (temp_slot_p): New.
12305 (function): Change the type of x_used_temp_slots to
12306 VEC(temp_slot_p,gc) *.
12308 2006-04-18 Nick Clifton <nickc@redhat.com>
12310 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
12311 flag_strength_reduce.
12313 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
12315 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12319 Partial revert of revision 112637
12320 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
12321 Dale Johannesen <dalej@apple.com>
12324 * regclass.c (struct reg_pref): Update documentation.
12325 (regclass): Set prefclass to NO_REGS if memory is the best option.
12326 (record_reg_classes): Cope with a prefclass set to NO_REGS.
12328 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
12330 PR tree-optimization/26821
12331 * tree-ssa-math-opts.c (get_constant_one): New.
12332 (insert_reciprocals): Use it.
12334 2006-04-17 Geoffrey Keating <geoffk@apple.com>
12336 * dwarf2out.c (free_AT): Delete.
12337 (remove_AT): Update string ref counts.
12338 (remove_child_TAG): Don't call free_die.
12339 (free_die): Delete.
12340 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
12341 or DW_TAG_GNU_EINCL.
12342 (prune_unused_types_walk_attribs): Reset string refcounts.
12343 (prune_unused_types_update_strings): New.
12344 (prune_unused_types_prune): Don't make unnecessary stores. Don't
12345 call free_die. Do call prune_unused_types_update_strings.
12346 (prune_unused_types): Empty debug_str_hash.
12348 2006-04-17 Roger Sayle <roger@eyesopen.com>
12350 * expr.c (expand_assignment): Optimize away no-op moves where the
12351 source and destination are equal and have no side-effects.
12353 2006-04-17 Richard Guenther <rguenther@suse.de>
12356 * reload.c (push_reload): Guard calls to get_secondary_mem
12357 for memory subregs.
12359 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
12361 * alias.c (reg_base_value, old_reg_base_value): Change the
12362 type to VEC(rtx,gc) *.
12363 (REG_BASE_VALUE, find_base_value, record_set,
12364 init_alias_analysis): Use VEC instead of VARRAY.
12366 * alias.c (alias_sets): Change the type to
12367 VEC(alias_set_entry,gc) *.
12368 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
12369 VEC instead of VARRAY.
12370 (last_alias_set): Remove.
12372 * cgraph.h (cgraph_edge_p): New.
12373 Update the prototype of cgraph_function_versioning.
12374 * cgraphunit.c (cgraph_copy_node_for_versioning,
12375 cgraph_function_versioning): Use VEC instead of VARRAY.
12376 * ipa-cp.c (ipcp_insert_stage): Likewise.
12378 2006-04-16 Roger Sayle <roger@eyesopen.com>
12381 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
12382 "A op B" or "A op C", we may need to convert A to the type of B and C.
12384 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
12386 * target.h (struct gcc_target): Add mode_rep_extended.
12387 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
12388 (init_num_sign_bit_copies_in_rep): Initialize it using
12390 (truncate_to_mode): Use it.
12391 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
12392 * targhooks.h (default_mode_rep_extended): Declare it.
12393 * targhooks.c (default_mode_rep_extended): Define it.
12394 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
12395 default_mode_rep_extended.
12396 (TARGET_INITIALIZER): Include it.
12397 * doc/tm.texi (Misc): Document it.
12398 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
12399 (mips_truncated_to_mode): New function.
12401 2006-04-16 Roger Sayle <roger@eyesopen.com>
12403 PR middle-end/25474
12404 * expr.c (compress_float_constant): Copy the narrow constant into
12405 a new pseudo before extending it to its final width.
12407 2006-04-16 Roger Sayle <roger@eyesopen.com>
12408 Andrew Pinski <pinskia@gcc.gnu.org>
12409 Dale Johannesen <dalej@apple.com>
12412 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
12413 special case code to implement V8HImode and V16QImode with SSE2.
12415 2006-04-15 Roger Sayle <roger@eyesopen.com>
12417 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
12418 trees are constructed with a suitable tree type.
12420 2006-04-15 Roger Sayle <roger@eyesopen.com>
12422 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
12423 (integer_onep): Likewise.
12424 (integer_all_onesp): Likewise.
12425 (integer_pow2p): Likewise.
12426 (integer_nonzerop): Likewise.
12427 (real_zerop): Likewise.
12428 (real_onep): Likewise.
12429 (real_twop): Likewise.
12430 (real_minus_onep): Likewise.
12431 (int_size_in_bytes): Likewise.
12432 (host_integerp): Likewise.
12434 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
12436 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
12437 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
12438 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
12440 * tree-ssa-structalias.h (alias_info): Remove num_references.
12442 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12444 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
12445 (output_bvb patterns): Likewise.
12446 * pa.c (output_bb): Use 'bb' insn for long branch case.
12447 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
12448 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
12449 1. Correct length operand for alternatives 1 and 2.
12450 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
12451 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
12453 2006-04-14 Roger Sayle <roger@eyesopen.com>
12455 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
12456 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
12457 were accidentally reverted by r112959.
12459 2006-04-15 Jakub Jelinek <jakub@redhat.com>
12461 PR middle-end/26823
12462 * except.h (eh_region_outermost): New prototype.
12463 * except.c (eh_region_outermost): New function.
12464 * tree-cfg.c (find_outermost_region_in_block): Use it.
12466 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12468 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
12470 * reload1.c (reg_equiv_memory_loc_varray): Rename to
12471 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
12472 (init_reload, reload): Use VEC instead of VARRAY.
12473 * reload.h: Update the prototype for
12474 reg_equiv_memory_loc_varray.
12476 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
12477 Eric Botcazou <ebotcazou@libertysurf.fr>
12479 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
12480 register save area.
12482 2005-04-13 Uros Bizjak <uros@kss-loka.si>
12484 PR middle-end/27134
12485 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
12486 to expand fallback builtin function call.
12488 2006-04-14 Alan Modra <amodra@bigpond.net.au>
12490 PR middle-end/27095
12491 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
12492 and emit libcall here in case the builtin fails.
12493 (expand_builtin_strcmp): Always emit the libcall here on failure.
12495 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
12497 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
12498 * flow.c (reg_n_info): Change the type to
12499 VEC(reg_info_p,heap) *.
12500 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
12502 * regs.h (reg_info_p): New.
12503 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
12504 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
12505 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
12508 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
12510 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
12512 * params.h (MAX_SCHED_READY_INSNS): New macro.
12513 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
12514 past MAX_SCHED_READY_INSNS during the first scheduling pass.
12515 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
12516 the ready list for 1 cycle during the first scheduling pass.
12517 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
12519 2006-04-13 Richard Henderson <rth@redhat.com>
12522 * gimple-low.c (lower_omp_directive): Remove dead code.
12523 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
12524 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
12525 * omp-low.c (struct omp_region): Move to tree-flow.h.
12526 (root_omp_region): Export.
12527 (omp_regions, lookup_omp_region): Remove.
12528 (determine_parallel_type): Update for struct omp_region changes.
12529 (dump_omp_region): Dump regions with block numbers.
12530 (new_omp_region): Take type and block instead of stmt; malloc
12532 (free_omp_region_1, free_omp_regions): New.
12533 (expand_parallel_call): Take entry_stmt as argument; update for
12534 changes to omp_region.
12535 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
12536 (remove_exit_barriers): New.
12537 (expand_omp_parallel): Update for struct omp_region changes.
12538 (expand_omp_synch): Likewise.
12539 (expand_omp): Likewise.
12540 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
12541 (expand_omp_for_static_chunk): Likewise.
12542 (expand_omp_for): Likewise.
12543 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
12544 (expand_omp_sections): Similarly, with GOMP_sections_end.
12545 (expand_omp_single): New.
12546 (build_omp_regions_1): Update for OMP_CONTINUE.
12547 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
12548 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
12549 OMP_SECTIONS_SECTIONS.
12550 (lower_omp_single_simple): Don't emit barrier here.
12551 (lower_omp_single_copy): Likewise.
12552 (lower_omp_single): Fix bindings, and lower to straightline now.
12553 (lower_omp_master, lower_omp_ordered): Likewise.
12554 (lower_omp_critical): Likewise.
12555 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
12556 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
12557 omp edges, free it afterward.
12558 (make_omp_sections_edges): Remove.
12559 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
12560 (move_stmt_r): Handle OMP_CONTINUE.
12561 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
12562 statement pointers to basic blocks. Add type member.
12563 (root_omp_region, new_omp_region, free_omp_regions): Declare.
12564 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
12565 * tree-inline.c (estimate_num_insns_1): Likewise.
12566 * tree-pretty-print.c (dump_generic_node): Likewise.
12567 * tree-ssa-operands.c (get_expr_operands): Likewise.
12568 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
12569 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
12570 (OMP_CONTINUE): New.
12571 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
12572 (OMP_SECTIONS_SECTIONS): Remove.
12573 (OMP_SECTION_LAST): New.
12574 (OMP_RETURN_NOWAIT): New.
12576 2006-04-13 Roger Sayle <roger@eyesopen.com>
12578 * fold-const.c (native_encode_vector, native_interpret_real):
12579 Correct obvious mistakes in the previous check-in.
12581 2006-04-13 Roger Sayle <roger@eyesopen.com>
12583 * fold-const.c (native_encode_expr): New function to encode
12584 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
12585 or VECTOR_CST into a specified buffer.
12586 (native_encode_int): New function.
12587 (native_encode_real): New function.
12588 (native_encode_complex): New function.
12589 (native_encode_vector): New function.
12590 (native_interpret_expr): Inverse of native_encode_expr to convert
12591 a target representation into an INTEGER_CST, REAL_CST etc...
12592 (native_interpret_int): New function.
12593 (native_interpret_real): New function.
12594 (native_interpret_complex): New function.
12595 (native_interpret_vector): New function.
12596 (fold_view_convert_expr): New function to constant fold/evaluate
12597 a VIEW_CONVERT_EXPR of a suitable constant expression.
12598 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
12599 Change call of build1 to fold_build1 when constructing a
12602 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
12603 Ulrich Weigand <uweigand@de.ibm.com>
12606 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
12609 2006-04-13 Alan Modra <amodra@bigpond.net.au>
12612 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
12613 optimize to lo_sum for DFmode if !TARGET_FPRS.
12615 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12617 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
12618 delete_alias_info, compute_flow_sensitive_aliasing,
12619 group_aliases): Use VEC instead of VARRAY.
12620 * tree-ssa-structalias.c (update_alias_info): Likewise.
12621 * tree-ssa-structalias.h (alias_info): Change the type of
12622 processed_ptrs to VEC(tree,heap) *.
12624 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
12627 * config/sh/lib1funcs.h: New file, broken out of:
12628 * config/sh/lib1funcs.asm.
12629 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
12631 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
12632 * config/sh/lib1funcs-Os-4-200.asm: New file.
12633 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
12634 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
12635 (EXTRA_MULTILIB_PARTS): Include it.
12636 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
12637 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
12638 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
12639 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
12642 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
12644 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
12645 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
12646 tpa_compact, root_var_init, type_var_init): Use VEC instead of
12648 * tree-ssa-live.h: Include vecprim.h.
12649 (tree_partition_associator_d): Change the type of
12650 first_partition to VEC(int,heap) *.
12651 (tpa_first_partition): Use VEC instead of VARRAY.
12653 * Makefile.in (GTFILES): Move functions.h after tree.h.
12654 * function.c (reset_block_changes, record_block_change,
12655 check_block_change, free_block_changes): Use VEC instead of
12657 * function.h (function): Change the type of
12658 ib_boundaries_block to VEC(tree,gc) *.
12659 * tree-inline.c (copy_cfg_body): Initialize
12660 ib_boundaries_block to NULL instead of (varray_type) 0.
12662 2006-04-12 Roger Sayle <roger@eyesopen.com>
12664 * expr.c (emit_group_store): Correct operand order in call to
12665 subreg_lowpart_offset. Always create paradoxical SUBREGs with
12666 a SUBREG_BYTE of zero.
12668 2006-04-12 Richard Guenther <rguenther@suse.de>
12670 * profile.c (compute_branch_probabilities): Remove code
12671 encapsulated in !ir_type (), which are remanents of the
12672 removed RTL profiling code.
12673 * rtl-profile.c: Remove.
12675 2006-04-12 Alan Modra <amodra@bigpond.net.au>
12677 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
12678 magic NULL_RTX comment.
12679 (function_arg): Store entire fp arg to mem if any part should go
12681 (rs6000_arg_partial_bytes): Adjust for above change.
12683 2006-04-11 Roger Sayle <roger@eyesopen.com>
12685 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
12686 if it hasn't been initialized by dwarf2out_init.
12688 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
12690 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
12691 symbolic constants in branch patterns.
12693 2006-04-11 Roger Sayle <roger@eyesopen.com>
12695 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
12697 2006-04-11 Richard Sandiford <richard@codesourcery.com>
12699 PR rtl-optimization/27073
12700 * gcse.c (try_replace_reg): Revert last change. Continue to search
12701 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
12704 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
12706 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
12707 aggregate types other than record and union types.
12708 (function_arg): Likewise.
12709 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
12711 (function_value): In 64-bit mode, return objects that require it
12714 2006-04-11 Roger Sayle <roger@eyesopen.com>
12716 * dwarf2out.c (premark_used_types): Remove problematic prototype.
12718 2006-04-11 Jakub Jelinek <jakub@redhat.com>
12720 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
12722 2006-04-03 Jeff Law <law@redhat.com>
12725 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
12726 alias information too.
12728 2006-04-10 Mike Frysinger <vapier@gentoo.org>
12730 * Makefile.in (gcc-cross): Add $(exeext) to target name.
12732 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
12735 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
12736 (premark_used_types_helper): New.
12737 (premark_used_types): New.
12738 (gen_subprogram_die): Call premark_used_types.
12739 (prune_unused_types_walk): Do not prune perennial dies.
12740 * function.c (used_types_insert): New.
12741 * function.h (struct function): Add used_types_hash field.
12742 (used_types_insert): Add prototype.
12743 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
12744 * c-parser.c (c_parser_cast_expression): Save casted types in used
12747 2006-04-11 Mark Mitchell <mark@codesourcery.com>
12750 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
12751 rs6000_explicit_options.float_gprs.
12753 2006-04-10 Roger Sayle <roger@eyesopen.com>
12755 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
12756 from ix86_expand_vector_init_low_nonzero. Take an additional
12757 one_var argument indicating which element is non-zero. Support
12758 one_var != 0 for V4SFmode and V4SImode by permuting the result.
12759 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
12760 with one_var instead of ix86_expand_vector_init_low_nonzero.
12762 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
12764 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
12765 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
12766 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
12767 build/genextract.o): Depend on vecprim.h.
12768 * cfglayout.c, df-problems.c, function.c, genextract.c,
12769 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
12770 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
12774 2006-04-10 Geoffrey Keating <geoffk@apple.com>
12776 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
12777 Declare VECs of this type.
12778 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
12779 (remove_children): Delete.
12780 (add_dwarf_attr): Use VEC routines.
12781 (add_AT_flag): Update for changes to add_dwarf_attr.
12782 (add_AT_int): Likewise.
12783 (add_AT_unsigned): Likewise.
12784 (add_AT_long_long): Likewise.
12785 (add_AT_vec): Likewise.
12786 (add_AT_string): Likewise.
12787 (add_AT_die_ref): Likewise.
12788 (add_AT_fde_ref): Likewise.
12789 (add_AT_loc): Likewise.
12790 (add_AT_loc_list): Likewise.
12791 (add_AT_addr): Likewise.
12792 (add_AT_lbl_id): Likewise.
12793 (add_AT_lineptr): Likewise.
12794 (add_AT_macptr): Likewise.
12795 (add_AT_offset): Likewise.
12796 (add_AT_range_list): Likewise.
12797 (get_AT): Use VEC_iterate.
12798 (remove_AT): Use VEC_ordered_remove.
12799 (free_die): Fold remove_children into here; have it use VEC_iterate.
12800 (print_die): Use VEC_iterate on attrs.
12801 (reverse_die_lists): Don't reverse attr lists.
12802 (die_checksum): Use VEC_iterate on attrs.
12803 (same_die_p): Likewise.
12804 (output_location_lists): Likewise.
12805 (build_abbrev_table): Likewise.
12806 (size_of_die): Likewise.
12807 (unmark_all_dies): Likewise.
12808 (output_abbrev_section): Likewise.
12809 (output_die): Likewise.
12810 (prune_unused_types_walk_attribs): Likewise.
12812 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12814 * doc/install.texi (*-*-solaris2*): Point to the configure page.
12816 2006-04-10 Jakub Jelinek <jakub@redhat.com>
12819 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
12821 2006-04-09 Roger Sayle <roger@eyesopen.com>
12823 * expr.c (store_constructor): Don't bother clearing target if
12824 we're about to assign a vector to it using vec_init_optab.
12826 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
12828 * tree-ssa-alias.c (lhs_may_store_to): New function.
12829 (recalculate_used_alone): Handle LHS of calls.
12831 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12835 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
12836 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
12837 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
12838 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
12839 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
12840 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
12841 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
12842 stubs. Add ".align 8" directives before all ".dword" directives.
12843 (GTHREAD_USE_WEAK): Revise comment.
12844 (TARGET_ATTRIBUTE_WEAK): Define.
12845 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
12846 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
12847 * stublib.c: New file.
12852 * pa.md (cbranch patterns): Revise arguments used in calls to
12853 output_cbranch, output_bb and output_bvd. Add long branch length
12855 (fbranch patterns): Handle long branches.
12856 (jump): Revise length check. Revise arguments for output_lbranch call.
12857 Add long branch length attributes.
12858 (decrement_and_branch_until_zero): Add long branch length attributes.
12859 (output_movb, output_parallel_addb and output_parallel_movb patterns):
12860 Likewise. Revise arguments for output_parallel_addb and
12861 output_parallel_movb calls.
12862 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
12863 output_parallel_movb and output_parallel_addb): Update prototypes.
12864 * pa.c (output_cbranch): Revise arguments. Correct handling of
12865 nullification in long branches.
12866 (output_lbranch): Add new argument to control extraction of delay
12868 (output_bb): Handle long branches.
12869 (output_bvb, output_dbra, output_movb, output_parallel_movb,
12870 output_parallel_addb): Likewise.
12872 2006-04-09 Richard Sandiford <richard@codesourcery.com>
12874 PR rtl-optimization/27073
12875 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
12878 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
12880 * tree.h (tree_memory_tag): Add old_used_alone.
12881 (SMT_OLD_USED_ALONE): New macro.
12882 * tree-ssa-alias.c (recalculate_used_alone): Stop
12883 marking things for renaming unnecessarily.
12885 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
12887 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
12888 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
12889 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
12890 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
12891 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
12892 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
12893 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
12894 spelling convensions.
12895 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
12896 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
12897 typos. Follow spelling conventions.
12899 2006-04-07 DJ Delorie <dj@redhat.com>
12901 * config/m32c/m32c.c (m32c_function_arg): Structures are always
12902 passed on the stack.
12903 (m32c_init_cumulative_args): When a function returns a structure,
12904 always pass the pointer to that return area on the stack.
12905 (m32c_function_arg_advance): Don't increment the parameter number
12906 if we're processing the returned structure pointer.
12907 (pushm_info): Reverse order of registers.
12909 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
12911 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
12912 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
12913 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
12914 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
12915 build_int_cst_type.
12916 * tree-chrec.c (chrec_fold_multiply_poly_poly,
12917 chrec_fold_multiply): Same.
12918 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
12919 force_expr_to_var_cost): Same.
12920 * tree-mudflap.c (mf_xform_derefs_1): Same.
12921 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
12923 2006-04-07 David Edelsohn <edelsohn@gnu.org>
12925 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
12926 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
12929 2006-04-07 Jan Hubicka <jh@suse.cz>
12931 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
12933 2006-04-07 Richard Guenther <rguenther@suse.de>
12935 PR tree-optimization/26135
12936 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
12937 loads for store copy-prop.
12938 (copy_prop_visit_stmt): Likewise.
12940 2006-04-05 Robert Millan <robertmh@gnu.org>
12942 * config/i386/linux.h: Add a comment to mark macros that are
12943 being overriden in config/k*bsd-gnu.h.
12944 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
12946 * config/knetbsd-gnu.h: Ditto.
12948 2006-04-06 Jan Hubicka <jh@suse.cz>
12952 * coverage.c (coverage_checksum_string): Reorganize loop to not read
12955 2006-04-06 Mike Stump <mrs@apple.com>
12957 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
12958 for HAVE_nonlocal_goto to be consistent.
12959 (expand_builtin_nonlocal_goto): Likewise.
12960 (expand_builtin_strcmp): Use #ifdef instead of #if
12961 for HAVE_cmpstrnsi to be consistent.
12963 2006-04-05 DJ Delorie <dj@redhat.com>
12965 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
12968 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
12970 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
12971 got-relative addressing for anything but SImode.
12973 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
12974 even if the calling function doesn't modify them.
12976 2006-04-05 Richard Guenther <rguenther@suse.de>
12978 PR tree-optimization/26919
12979 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
12980 to cgraph_estimate_size_after_inlining.
12982 2006-04-05 Alan Modra <amodra@bigpond.net.au>
12984 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
12986 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
12988 PR tree-optimization/26996
12989 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
12990 VECTOR_TYPE variables.
12992 2006-04-05 Richard Guenther <rguenther@suse.de>
12994 PR tree-optimization/26763
12995 * fold-const.c (fold_comparison): Move folding of
12996 PTR + CST CMP PTR + CST ...
12997 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
12999 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
13001 * doc/install.texi (Prerequisites): Refine some wording on
13002 bootstrapping and ksh.
13003 Move the version numbers of DejaGnu here from the testing section
13004 and fix casing of names.
13005 Fix markup and clarify wording for autogen requirements.
13006 Refer to GCJ instead of just java.
13007 Refer to SVN instead of CVS.
13008 Describe diffutils as useful instead of necessary.
13009 (Downloading the source): Refer to SVN instead of CVS.
13010 Adjust a link to our web site accordingly.
13011 (Configuration): Fix casing of Bison.
13012 (Building): Refer to SVN instead of CVS.
13013 Fix a sentence on the use of Bison and remove duplicate (and
13014 incorrect) version number of Bison requirement.
13015 Remove one redundant list of packages needed for building.
13016 (Specific): Avoid reference to CVS.
13018 2006-04-04 Eric Christopher <echristo@apple.com>
13020 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
13021 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
13022 (rs6000_handle_struct_attribute): New.
13023 (rs6000_ms_bitfield_layout_p): Ditto.
13025 2006-04-04 Geoffrey Keating <geoffk@apple.com>
13027 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
13028 NULL for dso parameter to atexit_common.
13030 2006-04-04 Eric Christopher <echristo@apple.com>
13032 * config/i386/i386.c (machopic_output_stub): Output \t
13033 between instructions and operands.
13035 2006-04-04 David Edelsohn <edelsohn@gnu.org>
13037 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
13038 satisfies_constraint_[IL] to explicit tests on value.
13040 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
13042 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13043 set_nb_iterations_in_loop): Use build_int_cst instead of
13044 build_int_cst_type.
13045 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
13046 build_int_cst instead of convert.
13048 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
13050 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
13051 new value 2 for incoming.
13052 * function.c (expand_function_start): Call struct_value_rtx
13053 with incoming as 2.
13054 * config/sparc/sparc.md: Comment updated_return.
13055 * config/sparc/sparc.opt: Add -mstd-struct-return option.
13056 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
13057 struct return if sparc_std_struct_return and incoming is 2.
13058 (print_operand): Do not adjust return if
13059 sparc_std_struct_return.
13061 2006-04-04 Roger Sayle <roger@eyesopen.com>
13063 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
13064 convert in the middle-end.
13065 * expr.c (store_expr, store_constructor, get_inner_reference,
13066 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
13068 * tree.c (build_range_type): Likewise.
13070 2006-04-04 Tom Tromey <tromey@redhat.com>
13072 * doc/install.texi (Prerequisites): Mention jar.
13074 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
13076 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
13079 2006-04-04 Matthias Klose <doko@debian.org>
13081 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
13085 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
13088 2006-04-03 Geoffrey Keating <geoffk@apple.com>
13090 * doc/extend.texi (Function Attributes): Rewrite visibility
13091 attribute documentation.
13092 * doc/invoke.texi (C++ Dialect Options): Rewrite
13093 -fvisibility-inlines-hidden documentation to describe something
13094 entirely different, although in practise compatible.
13095 (Code Gen Options): Warn about system headers in -fvisibility=
13098 * doc/extend.texi (Other Builtins): Document that
13099 __builtin_nan is a compile-time constant only when its argument
13102 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
13104 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
13105 trying to remove TRUNCATE check if all bits outside the new mode
13106 are identical to the sign bit.
13108 2006-04-03 Jeff Law <law@redhat.com>
13110 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
13111 and operand scanning in some common cases.
13113 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13114 Dale Johannesen <dalej@apple.com>
13117 * regclass.c (struct reg_pref): Update documentation.
13118 (regclass): Set prefclass to NO_REGS if memory is the best option.
13119 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13120 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
13121 into account. For non-registers, equate an empty preferred
13122 reload class to a `!' in the constraint; move the if clause to
13123 do so after those that reject the insn.
13124 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
13126 (find_dummy_reload): Likewise.
13127 * doc/tm.texi (Register Classes): Document what it means
13128 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
13129 * config/i386/i386.c (ix86_preferred_reload_class): Force
13130 using SSE registers (and return NO_REGS for floating-point
13131 constants) if math is done with SSE.
13132 (ix86_preferred_output_reload_class): New.
13133 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
13134 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
13135 * config/i386/i386.md: Remove # register preferences.
13137 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13140 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
13141 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
13142 the type of nb_iter.
13143 (instantiate_parameters_1): Convert the operands before calling
13144 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
13145 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
13147 2006-04-02 Roger Sayle <roger@eyesopen.com>
13149 * builtins.c (dummy_object): Use build_int_cst instead of convert.
13150 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
13151 instead of convert.
13152 * dojump.c (do_jump): Likewise.
13153 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
13154 * gimplify.c (gimple_boolify, gimplify_init_constructor,
13155 gimplify_boolean_expr): Likewise.
13156 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
13157 * varasm.c (array_size_for_constructor): Likewise.
13158 * tree-object-size.c (compute_object_offset): Likewise.
13160 2006-04-02 Roger Sayle <roger@eyesopen.com>
13162 PR middle-end/26977
13163 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
13164 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
13166 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13168 PR tree-optimization/26939
13169 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
13171 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13173 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
13174 at_stmt. Convert the type of operands before calling
13175 build_polynomial_chrec.
13176 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
13177 add_to_evolution_1.
13178 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
13179 (instantiate_parameters_1): Convert the type of operands before calling
13180 build_polynomial_chrec.
13181 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
13182 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
13183 reset_evolution_in_loop): Insert asserts to check the types of the
13185 (chrec_type): Moved...
13186 (eq_evolutions_p): Use operand_equal_p.
13187 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
13188 the types of the operands.
13189 (chrec_type): ...here.
13190 * tree-data-ref.c (create_data_ref): Convert the operands before
13191 calling chrec_replace_initial_condition.
13192 (same_access_functions, analyze_subscript_affine_affine,
13193 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
13194 (compute_subscript_distance, analyze_ziv_subscript,
13195 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
13196 analyze_miv_subscript): Convert the operands before calling
13197 chrec_fold_minus or chrec_fold_plus.
13199 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
13201 * tree-data-ref.c (compute_all_dependences): Use a pointer to
13202 the dependence_relations vector.
13203 (compute_data_dependences_for_loop): Adjust call to
13204 compute_all_dependences.
13206 2006-04-01 Roger Sayle <roger@eyesopen.com>
13207 Richard Henderson <rth@redhat.com>
13209 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
13210 gimple_boolify on the condition before calling gimplify_expr.
13212 2006-03-31 Bob Wilson <bob.wilson@acm.org>
13214 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
13215 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
13216 the frame size. Update to use the new macros.
13217 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
13218 * config/xtensa/ieee754-df.S: Likewise.
13220 2006-03-31 Richard Henderson <rth@redhat.com>
13222 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
13223 (make_edges): ... here. Control fallthru creation with a local
13224 variable. Do not play with fake edges.
13225 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
13226 (make_goto_expr_edges): Don't play with fake edges. Make for_call
13229 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
13231 * dwarf2.h (DW64_CIE_ID): Define.
13232 * dwarf2out.c (DWARF_CIE_ID): Define.
13233 (output_call_frame_info): Output 0xffffffff before standard 8-byte
13234 length header. Use DWARF_CIE_ID.
13235 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
13236 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
13238 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
13240 * config/sh/linux-atomic.asm: New file.
13241 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
13243 2006-03-31 DJ Delorie <dj@redhat.com>
13245 * config/m32c/cond.md: Set condition flags properly throughout.
13246 * config/m32c/minmax.md: Likewise.
13247 * config/m32c/prologue.md: Likewise.
13248 * config/m32c/bitops.md: Likewise.
13249 * config/m32c/muldiv.md: Likewise.
13250 * config/m32c/mov.md: Likewise.
13251 * config/m32c/addsub.md: Likewise.
13252 * config/m32c/m32c.md: Likewise.
13253 * config/m32c/jump.md: Likewise.
13254 * config/m32c/shift.md: Likewise.
13256 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
13257 conditionally output the pattern for this.
13258 * config/m32c/m32c.c (flags_needed_for_conditional): New.
13259 (m32c_compare_redundant): New.
13260 (m32c_output_compare): New.
13261 * config/m32c/m32c-protos.h (m32c_output_compare): New.
13263 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
13264 dest, not src. Allow other 4-byte modes.
13266 2006-03-30 Denis Chertykov <denisc@overta.ru>
13268 * doc/md.texi: Refer to avr/constraints.md instead of
13271 2006-03-30 Roger Sayle <roger@eyesopen.com>
13273 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
13274 signed vs. unsigned comparison failures on some hosts.
13276 2006-03-31 Alan Modra <amodra@bigpond.net.au>
13279 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
13280 change to FLOAT_REGS.
13282 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
13283 (rs6000_override_options): Use it.
13284 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
13285 only for -mabi=spe/no-spe and -mabi=altivec.
13287 2006-03-30 Geoffrey Keating <geoffk@apple.com>
13289 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
13292 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
13294 * Makefile.in: Rename docdir to gcc_docdir.
13296 2006-03-30 Roger Sayle <roger@eyesopen.com>
13299 * expr.c (emit_group_store): Optimize group stores into a pseudo
13300 register by using a paradoxical subreg to initialize the destination
13301 if the first or last member of the group specifies a "low part".
13303 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13306 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
13307 * target.h (struct gcc_target.speculate_insn): Change type of the
13308 second parameter to 'int'.
13309 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
13310 the second operand of the DEPS_LIST.
13311 (copy_DEPS_LIST_list): Update reference to the second operand of the
13313 * rtl.h (alloc_DEPS_LIST): Update signature.
13314 * sched-int.h (ds_t): Change typedef to 'int'.
13315 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13317 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13319 * haifa-sched.c (try_ready): Change condition to restore
13320 non-speculative pattern of the instruction.
13321 (process_insn_depend_be_in_spec): Code to keep probability of the
13322 speculative dependence non-decreasing.
13324 2006-03-30 Jie Zhang <jie.zhang@analog.com>
13326 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
13327 (single_move_for_movmem): ... this. Also change all uses.
13328 (bfin_expand_strmov): Renamed to...
13329 (bfin_expand_movmem): ... this. Also change all uses.
13330 * config/bfin/bfin.md (movstrsi): Renamed to...
13331 (movstrsi): ...this.
13333 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
13335 PR tree-optimization/26830
13337 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
13338 (copy_prop_visit_stmt): Remove write-only variable ann.
13339 (init_copy_prop): Check variable loop depth here. Do not simulate
13340 memory-tag and virtual operand PHIs except for store copy prop.
13342 2006-03-30 Richard Guenther <rguenther@suse.de>
13344 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
13345 variants with double arguments.
13347 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13349 * genpreds.c (write_tm_constrs_h): Delete variable p.
13350 * genconditions.c (write_header): Add tm-constrs.h to included
13352 * genpeep.c (main): Add toplev.h to included headers.
13353 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
13354 (build/genpeep.o): Add toplev.h dependency.
13355 * config/rs6000/constraints.md: Add "W" constraint.
13357 2006-03-29 Roger Sayle <roger@eyesopen.com>
13359 * stor-layout.c (mode_for_size_tree): Remove restiction on type
13360 sizes by correctly testing whether the size fits a host integer.
13361 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
13362 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
13363 SImode range for the default sizetype and bitsizetype.
13365 2006-03-29 Roger Sayle <roger@eyesopen.com>
13367 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
13368 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
13369 quickly if the argument is already of the correct type.
13370 Call fold_build1 instead of build1. Tidy up blank lines.
13372 2006-03-29 David Edelsohn <edelsohn@gnu.org>
13374 * genemit.c (main): Add tm-constrs.h to included headers.
13375 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
13376 * genpeep.c (main): Add tm-constrs.h to included headers.
13377 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
13378 (write_tm_constrs_h): this and write complete file.
13379 (write_tm_preds_h): Do not emit satisfies_constraint fns.
13380 (write_insn_preds_c): Add tm-constrs.h to included headers.
13381 (gen_constrs): New variable.
13382 (parse_option): Parse "-c".
13383 (main): Invoke write_tm_constrs_h.
13384 * genrecog.c (write_header): Add tm-constrs.h to included headers.
13385 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
13386 (object_out_file): Add tm-constrs.h dependency.
13387 (insn-emit.o): Same.
13388 (insn-output.o): Same.
13389 (insn-peep.o): Same.
13390 (insn-preds.o): Same.
13391 (insn-recog.o): Same.
13392 (tm-constsr.h): New target.
13393 (s-constrs-h): New target.
13395 * config/rs6000/constraints.md: New file.
13396 * config/rs6000/rs6000.c: Include tm-constrs.h.
13397 (num_insn_constant_wide): Convert to satisfies_constraint.
13398 (rs6000_rtx_costs): Convert to satisfies_constraint.
13399 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
13400 (CONST_OK_FOR_LETTER_P): Delete.
13401 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13402 (EXTRA_CONSTRAINT): Delete.
13403 (EXTRA_MEMORY_CONSTRAINT): Delete.
13404 (EXTRA_ADDRESS_CONSTRAINT): Delete.
13405 * config/rs6000/predicates.md: Convert to satisfies_constraint.
13406 * config/rs6000/rs6000.md: Include constraints.md. Convert to
13407 satisfies_constraint.
13409 * config/i386/i386.c: Include tm-constrs.h.
13411 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13413 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
13414 * tree-data-ref.c (find_data_references_in_loop,
13415 compute_data_dependences_for_loop): Use pointers to VEC.
13416 (analyze_all_data_dependences): Adjust calls.
13417 * tree-data-ref.h (find_data_references_in_loop,
13418 compute_data_dependences_for_loop): Adjust declarations.
13419 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
13420 compute_data_dependences_for_loop.
13422 2006-03-29 Paul Brook <paul@codesourcery.com>
13424 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
13425 (movdf_vfp): Ditto.
13427 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
13429 PR tree-optimization/26859
13430 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
13432 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
13433 for the step after fold_convert.
13435 2006-03-29 Paul Brook <paul@codesourcery.com>
13437 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
13438 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
13440 2006-03-29 Paul Brook <paul@codesourcery.com>
13442 PR middle-end/23623
13443 * targhooks.c (default_narrow_bitfield): New fuction.
13444 * targhooks.h (default_narrow_bitfield): add prototype.
13445 * target.h (gcc_target): Add narrow_volatile_bitfield.
13446 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13447 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
13448 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
13449 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
13451 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
13453 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
13455 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
13456 (NR_C_MODES): Add TDmode, DDmode and SDmode.
13457 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
13458 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
13459 (s390_function_arg_float): Allow SDmode and DDmode values to be
13460 passed in floating point registers.
13461 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
13462 check with SCALAR_FLOAT_MODE_P.
13463 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
13465 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13467 PR tree-optimization/25985
13468 * tree-ssa-loop-niter.c (number_of_iterations_le,
13469 number_of_iterations_ne): Make comments more precise.
13470 (number_of_iterations_cond): Add only_exit argument. Use the
13471 fact that signed variables do not overflow only when only_exit
13473 (loop_only_exit_p): New.
13474 (number_of_iterations_exit): Pass result of loop_only_exit_p to
13475 number_of_iterations_cond.
13477 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
13479 PR tree-optimization/26643
13480 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
13483 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
13485 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
13486 (divsi3_i4_int): Likewise.
13488 2006-03-28 Roger Sayle <roger@eyesopen.com>
13490 * expr.c (emit_group_store): Only create a new pseudo reg if the
13491 quantity it needs to hold isn't already a suitable pseudo.
13493 2006-03-28 Jeff Law <law@redhat.com>
13495 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
13496 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
13498 2006-03-28 Roger Sayle <roger@eyesopen.com>
13500 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
13501 the equivalent ~X & Y, and the symmetry related transformations.
13502 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
13503 ~X & Y, and symmetry related transforms.
13505 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13507 Revert my 2006-03-27 patches.
13509 2006-03-28 Roger Sayle <roger@eyesopen.com>
13511 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
13512 ~(T1)X, when T1 and T2 are integer types of the same precision
13513 and (T2)X isn't an extension.
13515 2006-03-28 Jeff Law <law@redhat.com>
13517 PR tree-optimization/26796
13518 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
13519 need EH edge cleanups rather than purging them immediately.
13520 (eliminate_degenerate_phis): Handle queued EH cleanups.
13522 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
13524 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
13527 2006-03-27 Roger Sayle <roger@eyesopen.com>
13529 PR middle-end/22524
13530 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
13531 cast BIT_NOT_EXPR operand to the correct type.
13533 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
13535 * tree-loop-linear.c: Don't include varray.h.
13536 (gather_interchange_stats, try_interchange_loops,
13537 linear_transform_loops): Use VEC instead of VARRAY.
13538 * lambda-mat.c: Don't include varray.h.
13539 * tree-chrec.c: Same.
13540 * lambda-trans.c: Same.
13541 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
13542 VEC instead of VARRAY.
13543 * tree-vectorizer.h: Idem.
13544 * tree-data-ref.c (dump_data_references,
13545 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
13546 initialize_data_dependence_relation, finalize_ddr_dependent,
13547 compute_all_dependences, find_data_references_in_loop,
13548 compute_data_dependences_for_loop, analyze_all_data_dependences,
13549 free_dependence_relation, free_dependence_relations,
13550 free_data_refs): Idem.
13551 * tree-data-ref.h (data_reference_p, subscript_p): New.
13552 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
13553 VEC instead of VARRAY.
13554 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
13555 (find_data_references_in_loop, compute_data_dependences_for_loop,
13556 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
13557 dump_data_dependence_relations, free_dependence_relations,
13558 free_data_refs): Adjust declaration.
13559 (lambda_transform_legal_p): Move declaration here...
13560 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
13561 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
13562 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
13563 vect_analyze_data_refs): Use VEC instead of VARRAY.
13564 * lambda.h (lambda_transform_legal_p): ...from here.
13565 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
13566 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
13567 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
13568 tree-chrec.o): Don't depend on VARRAY_H.
13570 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13572 * rtl.def (Copyright): Update date.
13573 (DEPS_LIST): Change type of the second operand to 'int'.
13574 * target.h (Copyright): Update date.
13575 (struct gcc_target.speculate_insn): Change type of the second parameter
13577 * lists.c (Copyright): Update date.
13578 (alloc_DEPS_LIST): Change signature. Update reference to the second
13579 operand of the DEPS_LIST.
13580 (copy_DEPS_LIST_list): Update reference to the second operand of the
13582 * rtl.h (Copyright): Update date.
13583 (alloc_DEPS_LIST): Update signature.
13584 * sched-int.h (Copyright): Update date.
13585 (ds_t): Change typedef to 'int'.
13586 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
13588 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13590 * haifa-sched.c (Copyright): Update date.
13591 (try_ready): Change condition to restore non-speculative pattern
13592 of the instruction.
13593 (process_insn_depend_be_in_spec): Code to keep probability of the
13594 speculative dependence non-decreasing.
13596 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
13598 * regrename.c (replace_oldest_value_addr): Initialize a variable to
13599 shut up the compiler.
13601 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
13603 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
13604 to use lib prefix for target.
13605 ($(T)libic_invalidate_array_4-200.a): Likewise.
13606 ($(T)libic_invalidate_array_4a.a): Likewise.
13608 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
13609 J"orn Rennecke <joern.rennecke@st.com>
13611 * superh.opt: New file.
13612 * sh.c (boardtype, osruntime): Remove.
13613 * superh.h (SUBTARGET_OPTIONS): Remove.
13614 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
13616 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
13617 arguments with ^ and/or [].
13619 * config.gcc (sh-*-*): Add quoting to account for quirk of
13621 Replace == with = in enable_incomplete_targets test.
13623 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
13624 with MASK_LITTLE_ENDIAN.
13626 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
13627 * config/sh/sh.opt: Added to some comments.
13628 * config/sh/superh.h: Removed some chaff.
13630 * config/sh/sh.opt: Add m4-[1234]00* options.
13631 * config/sh/sh.c (sh_handle_option): Likewise.
13632 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
13633 (ic_invalidate_array_4-100.o): New rule.
13634 ($(T)libic_invalidate_array_4-100.a): Likewise.
13635 (ic_invalidate_array_4-200.o): Likewise.
13636 ($(T)libic_invalidate_array_4-200.a): Likewise.
13637 (ic_invalidate_array_4a.o): Likewise.
13638 ($(T)libic_invalidate_array_4a.a): Likewise.
13639 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
13640 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
13642 * config/sh/crt1.asm: Merged in profiling code.
13643 * config/sh/superh.h (STARTFILE_SPEC): Override.
13644 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
13645 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
13646 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
13648 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
13649 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
13650 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
13652 * sh.opt (mpretend-cmove): New option.
13653 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
13654 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
13655 (movsicc): Add TARGET_PRETEND_CMOVE code.
13657 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
13659 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
13660 s390_class_max_nregs): New function prototypes.
13661 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
13662 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
13663 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
13664 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
13666 2006-03-26 Geoffrey Keating <geoffk@apple.com>
13668 * dwarf2out.c (add_location_or_const_value_attribute): Call
13669 tree_add_const_value_attribute if nothing else works.
13670 (reference_to_unused): New.
13671 (rtl_for_decl_init): Use reference_to_unused to decide whether
13672 to output an initializer.
13674 2006-03-27 Alan Modra <amodra@bigpond.net.au>
13677 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
13678 peephole removing spe frob_di_df_2.
13680 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
13682 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
13683 (subscript_dependence_tester_1): Declared.
13684 (print_dir_vectors, print_dist_vectors): New.
13685 (debug_data_dependence_relation): New.
13686 (dump_data_dependence_relation): Print more details.
13687 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
13688 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
13689 (save_dist_v, save_dir_v, add_outer_distances,
13690 build_classic_dist_vector_1): New.
13691 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
13692 Don't test for lambda_vector_lexico_pos.
13693 (same_access_functions, add_multivariate_self_dist,
13694 add_other_self_distances, dir_from_dist): New.
13695 (build_classic_dir_vector): Replace implementation almost identical to
13696 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
13698 (subscript_dependence_tester_1): New.
13699 (subscript_dependence_tester): Handle the lexicographically negative
13700 distance vectors by recomputing the dependence relation.
13701 (compute_affine_dependence): Remove parameter loop_nest_depth.
13702 (compute_self_dependence): Don't call compute_subscript_distance.
13703 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
13704 Add a parameter for the loop_nest.
13705 (find_loop_nest_1, find_loop_nest): New.
13706 (compute_data_dependences_for_loop): Compute the loop nest, and give
13707 up if the nest is not well formed.
13708 * tree-data-ref.h (loop_p): New.
13709 (struct data_dependence_relation): Replace size_vect field with
13710 loop_nest, a vec of loops.
13711 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
13712 (DDR_LOOP_NEST): New.
13713 (print_dir_vectors, print_dist_vectors,
13714 debug_data_dependence_relation): Declared.
13715 (index_in_loop_nest): New.
13716 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
13717 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
13720 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
13722 * simplify-rtx.c (simplify_relational_operation): Call
13723 simplify_relational_operation_1 even if mode is VOIDmode.
13725 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
13727 PR tree-optimization/26804
13728 * tree.h (DECL_CALL_CLOBBERED): New macro.
13729 (tree_decl_common): Add call_clobbered_flag.
13730 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
13731 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
13732 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
13733 (mark_non_addressable): Ditto.
13734 * tree-ssa.c (verify_call_clobbered): New function.
13735 (verify_alias_info): Use it.
13736 * tree-pass.h (pass_reset_cc_flags): New prototype.
13737 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
13738 (reset_cc_flags): New function.
13739 * passes.c (init_optimization_passes): Call reset_cc_flags after
13740 initializing referenced_vars.
13742 2006-03-25 Uros Bizjak <uros@kss-loka.si>
13743 Roger Sayle <roger@eyesopen.com>
13745 PR middle-end/26717
13746 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
13747 to 1.0 for non-real operands. Implement A / A optimization for
13750 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
13752 * config/i386/i386.c (size_cost): Correct the comment for
13753 cost of storing fp registers.
13754 (i386_cost): Likewise.
13755 (i486_cost): Likewise.
13756 (pentium_cost): Likewise.
13757 (pentiumpro_cost): Likewise.
13758 (k6_cost): Likewise.
13759 (athlon_cost): Likewise.
13760 (k8_cost): Likewise.
13761 (pentium4_cost): Likewise.
13762 (nocona_cost): Likewise.
13763 (generic64_cost): Likewise.
13764 (generic32_cost): Likewise.
13766 2006-03-24 Denis Chertykov <denisc@overta.ru>
13768 * config/avr/avr-protos.h (extra_constraint): Delete.
13769 (extra_constraint_Q): New declaration.
13770 * config/avr/constraints.md: New file.
13771 * config/avr/avr.md: Include it.
13772 (REG_X, REG_Y, REG_Z, REG_W): New constants.
13773 (TMP_REGNO, ZERO_REGNO): Likewise.
13774 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
13775 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
13776 (extra_constraint): Delete.
13777 (extra_constraint_Q): Test for memory constraint 'Q'.
13778 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
13779 (REG_CLASS_FROM_LETTER): Delete.
13780 (CONST_OK_FOR_LETTER_P): Delete.
13781 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13782 (EXTRA_CONSTRAINT): Delete.
13783 (TMP_REGNO): Delete.
13784 (ZERO_REGNO): Delete.
13786 2006-03-24 Jeff Law <law@redhat.com>
13788 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
13789 directly. Call mark_new_vars_to_rename slightly earlier.
13791 2006-03-24 Geoffrey Keating <geoffk@apple.com>
13793 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
13794 (is_cxx): Likewise.
13795 (gen_compile_unit_die): Use new language types for Objective-C and
13797 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
13798 DW_LANG_C_plus_plus.
13801 * config/t-darwin (crt3.o): Work around bug 26840.
13802 * config/darwin-crt3.c: Rewrite.
13803 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
13805 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
13807 * doc/invoke.texi: Document -femit-class-debug-always
13808 * common.opt: Add -femit-class-debug-always.
13810 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
13812 * config/s390/s390.c (s390_decompose_address): Allow SImode for
13813 index and base register.
13814 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
13815 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
13816 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
13817 REGNO_OK_FOR_INDEX_P.
13818 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
13820 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
13821 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
13822 REG_OK_FOR_BASE_P): Definitions removed.
13824 2006-03-24 Jakub Jelinek <jakub@redhat.com>
13826 PR middle-end/26611
13827 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
13828 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
13829 set yet or weren't marked as local yet.
13831 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
13833 * regrename.c (scan_rtx_address): Initialize a variable to shut up
13836 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
13838 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
13839 (rs6000_legitimate_small_data_p): Delete.
13840 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
13841 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
13842 and make static. Add forward declaration. Update uses.
13843 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
13844 of offsettable_memref_p.
13845 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
13846 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
13848 2006-03-24 Jeff Law <law@redhat.com>
13850 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
13851 around bug in immediate-use iterator.
13853 2006-03-24 Alan Modra <amodra@bigpond.net.au>
13856 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
13857 or __LITTLE_ENDIAN__.
13859 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
13861 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
13862 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
13863 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
13864 * config/sh/sh.opt (mdiv=): Amend description.
13865 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
13866 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
13867 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
13868 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
13869 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
13870 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
13871 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
13872 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
13873 TARGET_DIVIDE_CALL_FP.
13875 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13877 * haifa-sched.c (choose_ready): Fix type of the local variable.
13878 Move local variables. Add comment.
13879 (check_reg_live): Change signature. Make callable from debugger.
13880 * sched-int.h (check_reg_live): Update signature.
13881 * sched-ebb.c (check_reg_live): Update parameters.
13882 * sched-rgn.c (check_reg_live): Ditto.
13883 (region_head_or_leaf_p): Check pointer before dereferencing.
13884 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
13885 before reload on optimization levels below 1.
13887 2006-03-23 Richard Henderson <rth@redhat.com>
13889 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
13893 * config/alpha/predicates.md (local_symbolic_operand): Reject
13896 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
13899 * tree-ssa-pre.c (create_value_expr_from): Don't reject
13900 expressions which have overflowed constants.
13902 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13904 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
13906 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
13908 * cfgloopmanip.c (create_loop_notes): Removed.
13909 * final.c (final_scan_insn): Do not handle loop notes.
13910 * jump.c (squeeze_notes): Ditto.
13911 * cfglayout.c (skip_insns_after_block,
13912 duplicate_insn_chain): Ditto.
13913 * cfgcleanup.c (rest_of_handle_jump2): Do not call
13915 * cfgloop.h (create_loop_notes): Declaration removed.
13917 2006-03-23 Richard Sandiford <richard@codesourcery.com>
13919 * varasm.c (output_constant_pool): Restore fnname and fndecl
13921 (assemble_start_function): Adjust call accordingly.
13922 (assemble_end_function): Likewise.
13924 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13927 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
13930 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
13932 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13935 * system.h (ICE_EXIT_CODE): New macro.
13936 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
13937 (diagnostic_action_after_output): Likewise.
13938 * gcc.c (fatal_ice): New function.
13939 (execute): Use it instead of fatal.
13940 (fancy_abort): Likewise.
13941 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
13943 2006-03-22 Jeff Law <law@redhat.com>
13945 * loop-unroll.c (analyze_iv_to_split_insn): Handle
13946 iv_analyze_result returning false.
13948 2006-03-22 Jie Zhang <jie.zhang@analog.com>
13950 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
13952 2006-03-22 Richard Henderson <rth@redhat.com>
13954 PR middle-end/26084
13955 * except.c (duplicate_eh_regions_0): New.
13956 (duplicate_eh_region_1): Duplicate the children of the node as
13957 well as the node itself. Link them up properly.
13958 (duplicate_eh_region_2): Merge into ...
13959 (duplicate_eh_regions): ... here. Take copy_region argument, and
13960 copy only a sub-tree if asked. Simplify copying and fixup.
13961 (eh_region_outer_p): New.
13962 * except.h (duplicate_eh_regions): Update decl.
13963 (eh_region_outer_p): Declare.
13964 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
13965 (lower_omp_master): Likewise.
13966 (lower_omp_ordered): Likewise.
13967 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
13968 (move_stmt_r): Use it to remap labels. Handle recursion vs
13969 remap_decls_p properly.
13970 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
13971 (find_outermost_region_in_block): New.
13972 (new_label_mapper): New.
13973 (move_sese_region_to_fn): Copy eh information to the new function
13975 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
13977 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
13980 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13982 * doc/md.texi (-mshared): Mention that -mshared code can be linked
13983 into shared libraries.
13985 2006-03-22 Richard Sandiford <richard@codesourcery.com>
13987 * doc/md.texi: Refer to i386/constraints.md instead of
13988 i386/predicates.md.
13989 * config/i386/constraints.md: New file, extracted from...
13990 * config/i386/predicates.md: ...here.
13991 * config/i386/i386.md: Include constraints.md.
13993 2006-03-21 Jason Merrill <jason@redhat.com>
13995 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
13997 PR middle-end/20297
13998 * expr.c (init_block_move_fn): Force default visibility.
13999 (init_block_clear_fn): Likewise.
14000 * builtins.c (expand_builtin_fork_or_exec): Likewise.
14001 * targhooks.c (default_external_stack_protect_fail): Likewise.
14003 2006-03-21 Richard Sandiford <richard@codesourcery.com>
14005 * config/mips/predicates.md (const_call_insn_operand): Allow direct
14006 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
14007 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
14008 Use TARGET_OLDABI instead of !TARGET_NEWABI.
14009 (loadgp): Use mips_current_loadgp_style.
14010 (loadgp_noshared): New pattern.
14011 (sibcall_internal): Use MIPS_CALL.
14012 (sibcall_value_internal): Likewise.
14013 (sibcall_value_multiple_internal): Likewise.
14014 (call_internal): Likewise.
14015 (call_value_internal): Likewise.
14016 (call_value_multiple_internal): Likewise.
14017 (call_split): Use MIPS_CALL and add an 'S' constraint.
14018 (call_value_split): Likewise.
14019 (call_value_multiple_split): Likewise.
14020 * config/mips/mips.opt (-mabicalls): Tweak docstring.
14021 (-mshared): New option.
14022 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
14023 (mips_current_loadgp_style): Declare.
14024 * config/mips/mips.c (mips_classify_symbol): Avoid using
14025 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
14026 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
14027 TARGET_ABSOLUTE_ABICALLS.
14028 (override_options): Adjust comments. Improve the warning that is
14029 issued when -mabicalls and -G are used together.
14030 (mips_file_start): Remove comment.
14031 (mips_current_loadgp_style): New function.
14032 (mips_gnu_local_gp): New variable.
14033 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
14035 (mips_output_function_prologue): Use mips_current_laodgp_style.
14036 (mips_expand_prologue): Call mips_emit_loadgp before emitting
14037 the cprestore instruction.
14038 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
14039 live for TARGET_ABSOLUTE_ABICALLS.
14040 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
14041 (ASM_SPEC): Pass down -mshared and -mno-shared.
14042 (MIPS_CALL): New macro.
14043 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
14045 * doc/invoke.texi (-mabicalls): Update documentation.
14046 (-mshared): Document.
14048 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14050 * config/ia64/unwind-hpux.c: New file.
14051 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
14053 2006-03-21 Steve Ellcey <sje@cup.hp.com>
14056 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
14058 2006-03-21 Jeff Law <law@redhat.com>
14060 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
14061 type conversions of a VR_VARYING source to a wider type.
14063 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
14065 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
14066 tm_file on Solaris 10 and later.
14067 (sparc64-*-solaris2*): Likewise.
14068 (sparc-*-solaris2*): Likewise.
14069 * config/sol26.h: Rename to config/sol2-6.h.
14070 * config/sol2-10.h: New file.
14072 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
14075 * tree-ssa-pre.c (create_component_ref_by_pieces):
14078 2006-03-21 Jakub Jelinek <jakub@redhat.com>
14081 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
14082 return it immediately.
14084 2006-03-21 Michael Matz <matz@suse.de>
14086 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
14088 (remove_arc, add_arc): Update num_out_arcs member.
14089 (set_out_arc_insns_equiv_num): Returns nothing instead of number
14091 (cache_presence): New function.
14092 (compare_states_for_equiv): New function.
14093 (state_is_differed): Don't take number of outargs, adjust callers.
14094 Use new invariant for speeding up.
14095 (init_equiv_class): Create initial classes based on sorted
14097 (partition_equiv_class): Don't track out_arcs_num.
14098 (evaluate_equiv_classes): Call cache_presence on all states and
14101 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
14103 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
14104 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
14105 (bfin_valid_reg_p): Test for pseudos explicitly and use only
14106 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
14108 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
14109 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
14110 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
14111 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
14112 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
14114 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
14115 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
14116 (REGNO_REG_CLASS): ARGP is in PREGS.
14117 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
14119 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
14120 to deal with those addresses.
14121 * addresses.h: New file.
14122 * caller-save.c: Include "addresses.h".
14123 (init_caller_save): Use new base_reg_class function.
14124 * rtl-factoring.c: Include "addresses.h".
14125 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
14126 * recog.c: Include "addresses.h".
14127 (preprocess_constraints): Use new base_reg_class function.
14128 * regrename.c: Include "addresses.h".
14129 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
14130 functions. Keep track of a new var INDEX_CODE to compute valid
14132 (replace_oldest_value_addr): Likewise.
14133 (replace_oldest_value_mem): Use base_reg_class.
14134 * reload.c: Include "addresses.h".
14135 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
14136 (find_reloads): Use new base_reg_class function.
14137 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
14138 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
14139 all callers and prototype changed.
14140 * reload1.c: Include "addresses.h".
14141 (maybe_fix_stack_asms): Use base_reg_class.
14142 * regclass.c: Include "addresses.h".
14143 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
14144 (init_reg_autoinc): Use new base_reg_class function.
14145 (record_reg_classes): Likewise.
14146 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
14147 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
14148 Use new args to compute necessary class.
14150 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
14151 regrename.o, rtl-factoring.o): Update dependencies.
14152 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
14153 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
14154 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
14155 REG_OK_FOR_INDEX_P): Delete documentation.
14157 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
14159 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
14160 from V7 to V9 for Solaris 7 and above.
14162 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
14164 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
14165 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
14166 argument pointers may not alias any other storage.
14167 * common.opt: Define option -fargument-noalias-anything.
14168 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
14169 alias semantics is specified by flag_argument_noalias > 2.
14171 2006-03-20 Jeff Law <law@redhat.com>
14173 * tree-pass.h (pass_phi_only_copy_prop): Delete.
14174 (pass_phi_only_cprop): Declare.
14175 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
14176 with phi_only_cprop
14177 * tree-ssa-dom.c (degenerate_phi_result): New function.
14178 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
14179 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
14180 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
14181 (eliminate_degenerate_phis): Likewise.
14182 (pass_phi_only_cprop): New pass descriptor.
14183 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
14184 support code. Callers updated.
14185 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
14186 (store_copy_prop): Likewise.
14187 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
14189 2006-03-20 Jason Merrill <jason@redhat.com>
14192 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
14193 (push_visibility, pop_visibility): Likewise.
14194 * c-pragma.h: Declare them.
14196 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
14198 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
14200 * config/sh/sh.c (find_regmode_weight): Change the type of the first
14201 parameter and use get_ebb_head_tail.
14202 (sh_md_init_global): Adjust uses of find_regmode_weight.
14204 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
14206 * function.h (struct function) <x_tail_recursion_reentry>:
14207 Rename to x_stack_check_probe_note.
14208 (tail_recursion_reentry): Rename to stack_check_probe_note.
14209 * function.c: Replace tail_recursion_reentry with
14210 stack_check_probe_note everywhere.
14211 (expand_function_start): Only emit a note for
14212 stack_check_probe_note with -fstack-protect.
14213 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
14215 * emit-rtl.c (remove_unnecessary_notes): Remove.
14216 (pass_remove_unnecessary_notes): Remove.
14217 * rtl.h (remove_unnecessary_notes): Remove prototype.
14218 * final.c (final_start_function): Don't call remove_unnecessary_notes.
14219 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
14220 * passes.c (pass_remove_unnecessary_notes): Don't run it.
14222 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
14225 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
14226 (valid_in_set): Handle ARRAY_REF.
14227 Change "if min_variant or VH" to asserts.
14228 (create_component_ref_by_pieces): Handle ARRAY_REF.
14229 (create_expression_by_pieces): Likewise.
14230 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
14232 2006-03-20 David Edelsohn <edelsohn@gnu.org>
14234 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
14235 is operand of switch, not str[0].
14237 2006-03-20 Alan Modra <amodra@bigpond.net.au>
14239 * config/rs6000/rs6000.c (rs6000_handle_option): Use
14240 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
14242 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14244 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
14245 end of insn_extra_address_constraint declaration.
14247 2006-03-19 David Edelsohn <edelsohn@gnu.org>
14249 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
14250 (no-sum-in-toc): Same.
14251 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
14253 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
14254 NO_FP_IN_TOC for -fPIC instead of mask.
14256 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
14257 (BOOT_LDFLAGS): Delete.
14259 * config/rs6000/t-aix52: Same.
14261 * config/rs6000/rs6000.md (store_multiple_power): Delete.
14262 (stmsi[345678]_power): New.
14264 2006-03-17 Steve Ellcey <sje@cup.hp.com>
14266 * config/ia64/ia64.opt: Add empty line to end of file.
14268 2006-03-17 Richard Guenther <rguenther@suse.de>
14270 PR middle-end/26721
14271 * builtins.c (get_pointer_alignment): For component style references
14272 adjust alignment to the component type alignment. Make sure
14273 to adjust alignment for component access of constants.
14275 2006-03-17 David Edelsohn <edelsohn@gnu.org>
14277 * config/rs6000/rs6000.md (strlensi): Emit barrier after
14278 unconditional jump.
14280 2006-03-17 Paul Brook <paul@codesourcery.com>
14282 * doc/install.texi: Docuemnt --with-mode.
14283 * config.gcc: Add --with-mode for arm*-*-*.
14284 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
14286 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
14288 * sh.c (max_labelno_before_reorg): New variable.
14289 (sh_reorg): Initialize it.
14290 (find_barrier): Check max_labelno_before_reorg before using
14291 label_to_alignment. Take length of explicit alignment insns
14292 into account. When seeing a UNSPECV_CONST_END, return it.
14294 * sh.c (fixup_mova): Set mode of affected label to QImode.
14295 (untangle_mova): New function.
14296 (find_barrier): Use it. Check mode of label before decrementing
14298 (sh_reorg): Likewise.
14299 Set mode of all insns back to VOIDmode.
14301 * sh.c (MOVA_LABELREF): New macro.
14302 (mova_p, fixup_mova, sh_reorg): Use it.
14303 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
14304 ADDR_DIFF_VEC matches mova.
14306 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
14308 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
14309 with ATTRIBUTE_UNUSED.
14311 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
14313 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
14314 pointer, instead of assuming it is possible to derive the
14315 correct args size from a call insn.
14317 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14319 * rtl.h (CONST_INT_P): Define.
14320 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
14321 instead of GET_CODE(x) == CONST_INT.
14322 (vax_rtx_costs): Likewise.
14323 (vax_output_int_move): Likewise.
14324 (vax_output_int_add): Likewise.
14325 (legitimate_constant_address_p): Likewise.
14326 (index_term_p): Likewise.
14327 * config/vax/vax.h (PRINT_OPERAND): Likewise.
14328 * config/vax/vax.md (and<mode>3): Likewise.
14329 (ashrsi3): Likewise.
14331 (movstricthi): Likewise.
14332 (movstrictqi): Likewise.
14333 (rotrsi3): Likewise.
14334 (five unnamed insns): Likewise.
14336 2006-03-16 Geoffrey Keating <geoffk@apple.com>
14338 * doc/tm.texi (SDB and DWARF): Add extra parameter to
14339 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
14340 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
14341 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
14342 Pass to ASM_OUTPUT_DWARF_OFFSET.
14343 * dwarf2out.c (debug_frame_section): New.
14344 (output_call_frame_info): Use debug_frame_section. Pass it to
14345 dw2_asm_output_offset.
14346 (output_die): Pass appropriate section to dw2_asm_output_offset.
14347 (output_compilation_unit_header): Likewise.
14348 (output_pubnames): Likewise.
14349 (output_aranges): Likewise.
14350 (enum dw_val_class): Break dw_val_class_lbl_offset into
14351 dw_val_class_lineptr and dw_val_class_macptr.
14352 (add_AT_lbl_offset): Delete.
14353 (add_AT_lineptr): New.
14354 (add_AT_macptr): New.
14355 (AT_lbl): Expect a lineptr or macptr.
14356 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
14357 (attr_checksum): Likewise.
14358 (same_dw_val_p): Likewise.
14359 (size_of_die): Likewise.
14360 (value_format): Likewise.
14361 (output_die): Likewise.
14362 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
14364 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14365 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
14366 * config/darwin-protos.h (darwin_file_start): New.
14367 (darwin_asm_output_dwarf_offset): New.
14368 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
14369 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
14371 * config/darwin.c (darwin_emit_unwind_label): Don't output label
14372 if not EH section; simplify.
14373 (darwin_file_start): New.
14374 (darwin_asm_output_dwarf_offset): New.
14375 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
14377 (DEBUG_INFO_SECTION): Likewise.
14378 (DEBUG_ABBREV_SECTION): Likewise.
14379 (DEBUG_ARANGES_SECTION): Likewise.
14380 (DEBUG_MACINFO_SECTION): Likewise.
14381 (DEBUG_LINE_SECTION): Likewise.
14382 (DEBUG_LOC_SECTION): Likewise.
14383 (DEBUG_PUBNAMES_SECTION): Likewise.
14384 (DEBUG_STR_SECTION): Likewise.
14385 (DEBUG_RANGES_SECTION): Likewise.
14386 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
14387 (ASM_OUTPUT_DWARF_OFFSET): New.
14389 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
14391 * config.gcc (tm_defines): Always add to previous value rather
14394 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14396 * config/mips/predicates.md (splittable_const_int_operand): New,
14397 split from move_operand.
14398 (splittable_symbolic_operand): New.
14399 (move_operand): Add commentary. Use splittable_const_int_operand.
14400 Inline mips_atomic_symbolic_constant_p.
14401 * config/mips/mips.md: Add combine splitters for handling moves
14402 of splittable_const_int_operands and splittable_symbolic_operands.
14403 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
14404 (mips_split_symbol): Declare.
14405 (mips_move_integer): Declare.
14406 * config/mips/mips.c (mips_split_p): Make global.
14407 (TARGET_MIN_ANCHOR_OFFSET): Override default.
14408 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14409 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14410 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
14411 (mips_offset_within_object_p): Handle block symbols.
14412 (mips_atomic_symbolic_constant_p): Delete.
14413 (mips_cannot_force_const_mem): Return false for constants that
14414 mips_legitimize_move can handle.
14415 (mips_use_blocks_for_constant_p): New function.
14416 (mips_split_symbol): Make global.
14417 (mips_move_integer): Likewise. Add a temporary register argument.
14418 (mips_legitimize_const_move): Use splittable_const_int_operand and
14419 splittable_symbolic_operand.
14420 (mips_use_anchors_for_symbol_p): New function.
14421 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
14422 (mips_split_p): Declare.
14424 2006-03-16 Richard Sandiford <richard@codesourcery.com>
14426 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
14427 (mips*-*-linux*): Likewise.
14429 2006-03-16 Roger Sayle <roger@eyesopen.com>
14430 Daniel Speyer <dspeyer@wam.umd.edu>
14432 PR middle-end/18259
14433 * tree-dump.c (dump_real): New function.
14434 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
14435 * Makefile.in (REAL_H): New macro for dependencies on real.h.
14436 (tree-dump.o): Add $(REAL_H) to the dependencies.
14438 2006-03-16 Roger Sayle <roger@eyesopen.com>
14440 PR middle-end/21781
14441 * real.c (real_from_string): If the mantissa is zero, don't bother
14442 parsing the exponent as the result should always be zero.
14444 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
14446 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
14448 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14450 * config/ia64/ia64.c (stops_p): Added explicit initialization.
14451 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
14452 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
14453 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
14454 ia64_sched_finish_global): New static functions to implement
14455 hooks from gcc_target.sched.
14456 (spec_check_no, max_uid, pending_data_specs): New static variables.
14457 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
14458 ia64_spec_check_src_p): New static functions.
14459 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
14460 (TARGET_SCHED_ADJUST_COST): Removed.
14461 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
14462 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
14463 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14464 TARGET_SCHED_GEN_CHECK,
14465 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14466 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
14467 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
14468 Fixed to handle speculation checks.
14469 (rtx_needs_barrier): Fixed to handle speculative loads and
14471 (ia64_variable_issue): Added code to count speculative loads and their
14473 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
14475 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
14477 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
14479 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
14480 (ia64_reorg): Reset stops_p to NULL after it is freed.
14481 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
14482 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
14483 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
14485 (data_speculative, control_speculative, check_load): New attributes.
14486 (mov<mode>_advanced, mov<mode>_speculative,
14487 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
14488 zero_extend<mode>di2_speculative,
14489 zero_extend<mode>di2_speculative_advanced): New patterns for
14490 data and control speculative loads.
14491 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
14493 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
14494 New pattern for data and control speculation checks.
14495 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
14496 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
14497 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
14498 Auxiliary definitions for the patterns.
14499 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
14500 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
14502 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
14504 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
14505 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
14506 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
14507 New resource constraints.
14508 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
14510 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
14511 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
14512 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14513 msched-in-control-spec, msched-ldc, msched-control-ldc,
14514 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14515 msched-prefer-non-control-spec-insns,
14516 msched-count-spec-in-critical-path): New flags to tune speculative
14518 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
14519 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
14520 msched-in-control-spec, msched-ldc, msched-control-ldc,
14521 msched-spec-verbose, msched-prefer-non-data-spec-insns,
14522 msched-prefer-non-control-spec-insns,
14523 msched-count-spec-in-critical-path): Document new flags.
14525 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14527 * target.h (struct spec_info_def): New opaque declaration.
14528 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
14529 speculate_insn, needs_block_p, gen_check,
14530 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
14531 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
14532 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
14533 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
14534 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14535 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
14537 (TARGET_SCHED): Use new macros.
14538 * rtl.h (copy_DEPS_LIST_list): New prototype.
14539 * sched-int.h (struct sched_info): Change signature of new_ready field,
14540 adjust all initializations. New fields: add_remove_insn,
14541 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
14542 region_head_or_leaf_p.
14543 (struct spec_info_def): New structure declaration.
14544 (spec_info_t): New typedef.
14545 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
14546 recovery_block, orig_pat.
14547 (glat_start, glat_end): New variables declaraions.
14548 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
14550 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
14551 DETACH_LIFE_INFO, USE_GLAT.
14552 (enum SPEC_SCHED_FLAGS): New enumeration.
14553 (NOTE_NOTE_BB_P): New macro.
14554 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
14555 attach_life_info, debug_spec_status, check_reg_live): New functions.
14556 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
14557 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
14559 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
14560 * ddg.c (get_block_head_tail): Adjust all uses.
14561 * modulo-sched.c (get_block_head_tail): Adjust all uses.
14562 (sms_sched_info): Initialize new fields.
14563 (contributes_to_priority): Removed.
14564 * haifa-sched.c (params.h): New include.
14565 (get_block_head_tail): Adjust all uses.
14566 (ISSUE_POINTS): New macro.
14567 (glat_start, glat_end): New global variables.
14568 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
14569 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
14570 old_last_basic_block, before_recovery, current_sched_info_var,
14571 rgn_n_insns, luid): New static variables.
14572 (insn_cost1): New function. Move logic from insn_cost to here.
14573 (find_insn_reg_weight1): New function. Move logic from
14574 find_insn_reg_weight to here.
14575 (reemit_notes, move_insn, max_issue): Change signature.
14576 (move_insn1): Removed.
14577 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
14578 extend_bb): New static functions to support extension of scheduler's
14580 (generate_recovery_code, process_insn_depend_be_in_spec,
14581 begin_speculative_block, add_to_speculative_block,
14582 init_before_recovery, create_recovery_block, create_check_block_twin,
14583 fix_recovery_deps): New static functions to support
14584 generation of recovery code.
14585 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
14586 restore_bb_notes, move_block_after_check, move_succs): New static
14587 functions to support ebb scheduling.
14588 (init_glat, init_glat1, attach_life_info1, free_glat): New static
14589 functions to support handling of register live information.
14590 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
14591 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
14592 add_jump_dependencies): New static functions.
14593 (check_cfg, has_edge_p, check_sched_flags): New static functions for
14594 consistancy checking.
14595 (debug_spec_status): New function to call from debugger.
14596 (priority): Added code to handle speculation checks.
14597 (rank_for_schedule): Added code to distinguish speculative instructions.
14598 (schedule_insn): Added code to handle speculation checks.
14599 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
14600 Fixed to handle ebbs.
14601 (move_insn): Added code to handle ebb scheduling.
14602 (max_issue): Added code to use ISSUE_POINTS of instructions.
14603 (choose_ready): Added code to choose between speculative and
14604 non-speculative instructions.
14605 (schedule_block): Added code to handle ebb scheduling and scheduling of
14606 speculative instructions.
14607 (sched_init): Initialize new variables.
14608 (sched_finish): Free new variables. Print statistics.
14609 (try_ready): Added code to handle speculative instructions.
14610 * lists.c (copy_DEPS_LIST_list): New function.
14611 * sched-deps.c (extend_dependency_caches): New function. Move logic
14612 from create_dependency_caches to here.
14613 (get_dep_weak, ds_merge): Make global.
14614 * genattr.c (main): Code to output prototype for
14615 dfa_clear_single_insn_cache.
14616 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
14617 (output_dfa_clean_insn_cache_func): Code to output
14618 dfa_clear_single_insn_cache function.
14619 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
14621 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
14623 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
14624 New static variables.
14625 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
14626 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
14628 (ebb_sched_info): Initialize new fields.
14629 (get_block_head_tail): Adjust all uses.
14630 (compute_jump_reg_dependencies): Fixed to use glat_start.
14631 (schedule_ebb): Code to remove unreachable last block.
14632 (schedule_ebbs): Added code to update register live information.
14633 * sched-rgn.c (region_sched_info): Initialize new fields.
14634 (get_block_head_tail): Adjust all uses.
14635 (last_was_jump): Removed. Adjust users.
14636 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
14637 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
14638 Implement new hooks.
14639 (check_dead_notes1): New static function.
14640 (struct region): New fields: dont_calc_deps, has_real_ebb.
14641 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
14642 (BB_TO_BLOCK): Fixed to handle EBBs.
14643 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
14644 (ebb_head): New static variable.
14645 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
14646 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
14648 (compute_dom_prob_ps): New assertion.
14649 (check_live_1, update_live_1): Fixed to work with glat_start instead of
14650 global_live_at_start.
14651 (init_ready_list): New assertions.
14652 (can_schedule_ready_p): Split update code to begin_schedule_ready.
14653 (new_ready): Add support for BEGIN_CONTROL speculation.
14654 (schedule_insns): Fixed code that updates register live information
14656 (schedule_region): Fixed to handle EBBs.
14657 (init_regions): Use extend_regions and check_dead_notes1.
14658 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
14659 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
14660 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
14661 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
14662 TARGET_SCHED_GEN_CHECK,
14663 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
14664 TARGET_SCHED_SET_SCHED_FLAGS): Document.
14665 * doc/invoke.texi (max-sched-insn-conflict-delay,
14666 sched-spec-prob-cutoff): Document.
14668 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14670 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
14671 inter_tick, queue_index.
14672 (struct sched_info): Change signature of init_ready_list field.
14673 Adjust all initializations.
14674 (RESOLVED_DEPS): New access macro.
14675 (ready_add): Remove prototype.
14676 (try_ready): Add prototype.
14677 * sched-rgn.c (init_ready_list): Use try_ready.
14678 (schedule_region): Initialize
14679 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
14680 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
14681 (init_ready_list): Use try_ready.
14682 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
14683 * lists.c (remove_list_elem): Remove `static'.
14684 (remove_free_INSN_LIST_elem): New function.
14685 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
14686 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
14687 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
14689 (readyp): New variable.
14690 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
14691 change_queue_index, resolve_dep): New static functions.
14692 (try_ready): New function. Adjust callers in sched-rgn.c and
14693 sched-ebb.c to use it instead of ready_add.
14694 (clock_var): Move at the begining of file.
14695 (rank_for_schedule): Fix typo.
14696 (queue_insn): Add assertion. Handle QUEUE_INDEX.
14697 (ready_lastpos): Enforce assertion.
14698 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
14699 update all callers.
14700 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
14701 (schedule_insn): Rewrite to use try_ready and resolve_dep.
14702 (queue_to_ready): Use free_INSN_LIST_list.
14703 (early_queue_to_ready): Fix typo.
14704 (schedule_block): Init readyp. Move init_ready_list call after the
14705 initialization of clock_var. Fix error in rejecting insn by
14706 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
14707 that previously corrected INSN_TICKs. Add code for handling
14709 (set_priorities): Fix typo.
14710 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
14711 Clarify comment and code that keeps current_sched_info->next_tail
14714 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14716 * sched-rgn.c (extend_rgns): New static function.
14717 (find_rgns): Use it.
14718 (gather_region_statistics, print_region_statistics): New static
14720 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
14721 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
14723 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14724 Andrey Belevantsev <abel@ispras.ru>
14726 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
14727 * lists.c (unused_deps_list): New variable.
14728 (free_list): Add assertions to verify the proper distinguishing
14729 between INSN_LISTs and DEPS_LISTs.
14730 (find_list_elem, remove_list_elem, remove_list_node): New static
14732 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
14733 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
14734 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
14735 (alloc_INSN_LIST): Assert that the list we're working on is indeed
14737 (free_INSN_LIST_node): Likewise.
14738 * modulo-sched.c (current_sched_info): Initialize flags field.
14739 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
14740 * rtl.def (DEPS_LIST): Define.
14741 * rtl.h: Declare new functions from lists.c.
14742 * sched-deps.c (spec_dependency_cache): New static variable.
14743 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
14744 (add_dependence): Change return type to void. Move the logic to ...
14745 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
14746 (delete_all_dependences): Add comment about forward_dependency_cache.
14747 Handle spec_dependency_cache. Handle DEPS_LISTs.
14748 (fixup_sched_groups): Clarify the change of priority of output
14749 and anti dependencies.
14750 (sched_analyze_2): Adjust add_dependence calls to create data
14751 speculative dependence.
14752 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
14753 Adjust all callers. Handle DEPS_LISTS.
14754 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
14755 presence of speculation.
14756 (init_dependency_caches, free_dependency_caches):
14757 Handle spec_dependency_cache.
14758 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
14759 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
14760 New static functions.
14761 (add_or_update_back_dep, add_or_update_back_forw_dep,
14762 add_back_forw_dep, delete_back_forw_dep): New functions.
14763 * sched-int.h (ds_t, dw_t): New typedefs.
14764 (struct sched_info): Add new field flags.
14765 (struct haifa_insn_data): Add new bitfield has_internal_dep.
14766 Prototype new sched-deps.c functions.
14767 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
14768 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
14769 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
14770 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
14771 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
14772 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
14774 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
14776 * sched-rgn.c (current_sched_info): Initialize flags field.
14777 (schedule_insns): Initialize current_sched_info before the sched_init
14779 * sched-ebb.c (current_sched_info): Initialize flags field.
14780 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
14781 Call add_or_update_back_dep instead of add_dependence.
14782 Create control speculative dependencies.
14783 (schedule_insns): Initialize current_sched_info before the sched_init
14786 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
14788 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
14790 (sh_fallback_frame_state): Likewise.
14792 2006-03-15 Geoffrey Keating <geoffk@apple.com>
14794 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
14795 Do switch on default_use_cxa_atexit.
14796 (powerpc*-*-darwin*): Build crt2.o on powerpc.
14797 * config/darwin-crt3.o: New.
14798 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
14799 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
14800 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
14802 * config/rs6000/t-darwin: Move crt2.o building to here.
14803 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
14804 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
14807 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14809 * config/vax/vax.c (nonindexed_address_p): Change logical negation
14810 from '! xxx' to '!xxx' for coding-style conformance.
14811 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
14812 (EXTRA_CONSTRAINT): Likewise.
14813 * config/vax/vax.md (four unnamed insns): Likewise.
14815 2006-03-15 Paul Brook <paul@codesourcery.com>
14817 * config/arm/arm.c (minipool_pad): New.
14818 (add_minipool_forward_ref): Include pool alignment padding in address
14820 (push_minipool_fix): Set minipool_pad.
14821 (minipool_pad): Ditto.
14823 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
14825 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
14826 instead of GET_CODE() == MEM and REG_P() instead of
14828 (print_operand_address): Likewise.
14829 (vax_address_cost): Likewise.
14830 (vax_rtx_costs): Likewise.
14831 (vax_notice_update_cc): Likewise.
14832 (vax_output_int_add): Likewise.
14833 (INDEX_REGISTER_P): Likewise.
14834 (BASE_REGISTER_P): Likewise.
14835 (nonindexed_address_p): Likewise.
14836 (vax_mode_dependent_address_p): Likewise.
14837 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
14838 (PRINT_OPERAND): Likewise.
14839 * config/vax/vax.md (ashlsi3): Likewise.
14840 (ashlsi3): Likewise.
14841 (some more unnamed insns): Likewise.
14843 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
14845 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
14846 iterator-style macro.
14847 (mark_control_dependent_edges_necessary): Update the use of
14848 EXECUTE_IF_CONTROL_DEPENDENT.
14850 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
14852 * config/sh/predicates.md (cache_address_operand): Special.
14853 (ua_address_operand): Likewise.
14855 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
14857 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
14859 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
14861 2006-03-15 Andreas Schwab <schwab@suse.de>
14863 * gensupport.c (identify_predicable_attribute): Don't free p_false
14864 when it is still in use.
14866 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
14868 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
14869 the default setting here.
14871 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
14873 * tree-pass.h (pass_cfg): Remove.
14874 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
14875 * passes.c (pass_cfg): Don't run it.
14877 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
14879 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
14880 * reg-stack.c (stack_regs_mentioned_data): Change the type to
14882 (stack_regs_mentioned): Update the uses of
14883 stack_regs_mentioned_data. Don't access the array beyond its
14885 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
14886 Don't include gt-reg-stack.h.
14888 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
14889 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
14891 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
14893 PR middle-end/26684
14894 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
14897 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14899 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
14901 2006-03-14 Richard Guenther <rguenther@suse.de>
14903 PR tree-optimization/26672
14904 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
14907 2006-03-14 Richard Guenther <rguenther@suse.de>
14909 PR tree-optimization/26667
14910 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
14911 node for the callees. Always allow inlining if it will shrink
14914 2006-03-14 Richard Guenther <rguenther@suse.de>
14916 PR middle-end/26659
14917 * builtins.c (get_pointer_alignment): Prefer alignment
14918 information from decls over that from types.
14920 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
14923 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
14925 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
14927 * config/rs6000/rs6000.opt (mdlmzb): New option.
14928 (msched-prolog, msched-epilog): Use Var not Mask.
14929 * doc/invoke.texi (-mdlmzb): Document.
14930 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
14932 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
14933 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
14935 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
14937 PR rtl-optimization/25739
14938 * bt-load.c (augment_live_range): Free tos pointer.
14940 * gensupport.c (identify_predicable_attribute): Free
14942 * gcov.c (create_file_names): Free name pointer.
14944 2006-03-13 Roger Sayle <roger@eyesopen.com>
14946 PR middle-end/26557
14947 * stmt.c (emit_case_nodes): Handle the case where the index is a
14948 CONST_INT, where the comparison mode is specified by the index type.
14950 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14952 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
14955 2006-03-13 Richard Sandiford <richard@codesourcery.com>
14957 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
14958 (*branch_fp_inverted): Likewise.
14960 2006-03-13 Jakub Jelinek <jakub@redhat.com>
14962 PR middle-end/25989
14963 * omp-low.c (expand_omp_for_generic): Mark istart0
14964 and iend0 as addressable.
14966 2006-03-13 Jie Zhang <jie.zhang@analog.com>
14968 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
14970 2006-03-13 Jeff Law <law@redhat.com>
14972 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
14973 virtual operands are interesting.
14974 (vrp_visit_stmt): Corresponding changes.
14976 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
14978 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
14980 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
14981 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
14982 * config/bfin/crti.S: Use it instead of __PIC__.
14983 * config/bfin/crtn.S: Likewise.
14985 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
14986 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
14988 Lose 'G' modifier for call operand.
14989 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
14990 recognize 'G' modifier.
14992 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
14994 PR middle-end/18859
14995 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
14996 * stmt.c (expand_case): Likewise.
14998 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15000 PR rtl-optimization/26254
15001 * loop-invariant.c (seq_insns_valid_p): New function.
15002 (move_invariant_reg): Only emit new code if it is valid.
15004 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15006 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
15008 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
15009 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
15010 (commit_one_edge_insertion): Do not look for loop notes.
15012 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15014 * jump.c (follow_jumps): Do not check for loop notes. Move check for
15015 flag_test_coverage out of loop.
15017 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15019 * final.c (shorten_branches): Remove outdated comment, and turn
15020 the if branch that guards it to continue.
15022 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
15024 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
15025 * cfgloop.h (struct loop): Remove unused fields.
15027 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
15029 * doc/invoke.texi (-fdump-rtl-loop): Remove.
15030 (-dL, -fdump-rtl-loop2): Update the dump file names
15032 * doc/invoke.texi: Update dump file names.
15034 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
15036 * predict.c (estimate_probability): Remove.
15037 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
15038 * basic-block.h (estimate_probability): Remove prototype.
15039 * passes.c (finish_optimization_passes): Dump branch prediction or
15040 profiling heuristics to the .profile tree dump.
15041 (init_optimization_passes): Unqueue pass_branch_prob.
15043 * doc/invoke.texi (-fdump-rtl-bp): Remove.
15045 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15047 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
15048 * rtl.h (LABEL_NEXTREF): Remove field accessor.
15050 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
15052 * function.h (frame_offset_overflow): Declare.
15053 * function.c (frame_offset_overflow): New function.
15054 (assign_stack_local_1): Call it to detect that the offset overflows.
15055 * cfgexpand.c (alloc_stack_frame_space): Likewise.
15057 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
15059 * config/sh/sh.c: Include alloc-pool.h.
15060 (label_ref_list_pool): New alloc pool.
15061 (label_ref_list_t): New type for lists of labels.
15062 (struct pool_node): Make wend a label_ref_list_t.
15063 (add_constant): Use the new type, eradicate LABEL_NEXTREF
15065 (dump_table): Likewise.
15066 (sh_reorg): Set up the alloc pool before using add_constant and
15067 dump_table, and destroy it when finishing.
15069 2006-03-11 Richard Sandiford <richard@codesourcery.com>
15071 * config/mips/mips.c: Remove redundant comment.
15073 2006-03-10 Jason Merrill <jason@redhat.com>
15076 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
15077 the target was declared 'register'.
15079 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
15081 * genpreds.c (write_insn_constraint_len): Change definition of
15082 insn_constraint_len to return size_t to match the declaration.
15084 2006-03-10 DJ Delorie <dj@redhat.com>
15086 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
15088 (m32c_expand_insv): Fix test for an AND mask.
15090 2006-03-10 Richard Guenther <rguenther@suse.de>
15092 PR middle-end/26565
15093 * builtins.c (get_pointer_alignment): Handle component
15094 references for field alignment.
15096 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15098 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
15099 when building with libgloss.
15100 (sh*elf): Implement --without-fp option.
15101 (sh64-superh-linux*): Don't multilib.
15103 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
15105 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
15107 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
15109 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
15110 Set it when one of the replacement functions returned true.
15111 Return TODO_cleanup_cfg if cfgchanged is true.
15112 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
15114 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
15116 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
15117 instead of gen_lowpart.
15119 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15121 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
15123 (mips_output_order_conditional_branch): Declare.
15124 * config/mips/mips.h (MIPS_BRANCH): New macro.
15125 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
15126 for the comparison. Use gen_condjump.
15127 (mips_output_conditional_branch): Rework interface to take the
15128 asm templates for a direct branch and the inverse of a direct branch.
15129 (mips_output_order_conditional_branch): New function.
15130 (mips_builtin_branch_and_move): New function.
15131 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
15132 branch condition. Use gen_single_cc as the condition for
15133 __builtin_mips_upper_* or __builtin_mips_lower_*.
15134 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
15135 Use VOIDmode for the branch condition.
15136 * config/mips/predicates.md (order_operator): New predicate.
15137 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
15138 (branch_fp): Rename to...
15139 (*branch_fp): ...this. Remove mode from comparison operator.
15140 Use new mips_output_conditional_branch interface.
15141 (branch_fp_inverted): Rename to...
15142 (*branch_fp_inverted): ...this and update as for *branch_fp.
15143 (*branch_zero<mode>): Rename to...
15144 (*branch_order<mode>): ...this. Remove mode from comparison operator.
15145 Use mips_output_order_conditional_branch. Only accept ordered
15147 (*branch_zero<mode>_inverted): Rename to...
15148 (*branch_order<mode>_inverted): ...this and update as for
15149 *branch_order<mode>.
15150 (*branch_equality<mode>): Accept zero as the second operand to
15151 the equality operator. Use the new mips_output_conditional_branch
15153 (*branch_equality<mode>_inverted): Likewise.
15154 (condjump): New expander.
15155 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
15157 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
15158 (bc1any2t, bc1any2f): Likewise.
15159 (single_cc): New expander.
15160 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
15162 2006-03-09 Richard Sandiford <richard@codesourcery.com>
15164 * doc/md.texi: Update documentation of MIPS constraints.
15165 * config/mips/constraints.md: New file.
15166 * config/mips/mips.md: Include it.
15167 * config/mips/mips.c (mips_char_to_class): Delete.
15168 (override_options): Don't initialize mips_char_to_class.
15169 * config/mips/mips.h (mips_char_to_class): Delete.
15170 (REG_CLASS_FROM_LETTER): Delete.
15171 (CONST_OK_FOR_LETTER_P): Delete.
15172 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15173 (EXTRA_CONSTRAINT_Y): Delete.
15174 (EXTRA_CONSTRAINT_STR): Delete.
15175 (CONSTRAINT_LEN): Delete.
15176 (EXTRA_MEMORY_CONSTRAINT): Delete.
15178 2006-03-09 Diego Novillo <dnovillo@redhat.com>
15180 * tree-cfg.c (move_block_to_fn): Remove the statements from the
15181 original fn's eh regions.
15183 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
15185 * fold-const.c (build_range_check): Make sure to use a valid type to
15186 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
15189 (range_predecessor): New static function.
15190 (range_successor): Likewise.
15191 (merge_ranges): Use them to compute predecessors and successors of
15194 2006-03-09 Roger Sayle <roger@eyesopen.com>
15196 PR middle-end/26561
15197 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
15198 X op C3, consider whether C3 overflows towards +Inf or -Inf.
15200 2006-03-08 DJ Delorie <dj@redhat.com>
15202 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
15203 (addpsi3): Expand to include memory operands. Remove
15204 reload-specific splits.
15205 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
15206 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
15207 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
15208 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
15209 (shift1_qi, shift1_hi, insv): New.
15210 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
15211 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
15212 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
15214 * config/m32c/m32c-protos.h: Update as needed.
15215 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
15216 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
15217 Fail for unrecognized R* constraints.
15218 (m32c_cannot_change_mode_class): Be more picky about pseudos.
15219 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
15220 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
15222 (m32c_init_libfuncs): New.
15223 (m32c_legitimate_address_p): Add debug wrapper.
15224 (m32c_rtx_costs): New.
15225 (m32c_address_cost): New.
15226 (conversions): Add 'B' prefix.
15227 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
15228 operands, or word regnames for QI operands. 'B' prints bit
15230 (m32c_expand_setmemhi): New.
15231 (m32c_expand_movmemhi): New.
15232 (m32c_expand_movstr): New.
15233 (m32c_expand_cmpstr): New.
15234 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
15235 (m32c_expand_neg_mulpsi3): Handle non-ints.
15236 (m32c_cmp_flg_0): New.
15237 (m32c_expand_movcc): New.
15238 (m32c_expand_insv): New.
15239 (m32c_scc_pattern): New.
15240 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
15241 a0/a1 out of SIregs.
15242 (STORE_FLAG_VALUE): New.
15243 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
15246 * config/m32c/mov.md: Make constraints more liberal.
15247 (zero_extendqihi2): Optimize r0/r1 case.
15248 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
15249 * config/m32c/predicates.md (m32c_any_operand): New.
15250 (m32c_nonimmediate_operand): New.
15251 (m32c_hl_operand): New.
15252 (m32c_r3_operand): New.
15255 (memsym_operand): New.
15256 (memimmed_operand): New.
15257 (a_qi_operand): New.
15258 (m32c_eqne_operator): New.
15259 (m32c_1bit8_operand): New.
15260 (m32c_1bit16_operand): New.
15261 (m32c_1mask8_operand): New.
15262 (m32c_1mask16_operand): New.
15263 * config/m32c/blkmov.md: New file.
15264 * config/m32c/t-m32c (MD_FILES): Add blkmov.
15266 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
15268 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
15269 unsigned to fix signed/unsigned comparison issue in
15270 DWARF2_FRAME_REG_OUT.
15271 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
15272 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
15274 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
15275 of ptr into the ENABLE_CHECKING section.
15277 2006-03-08 Jeff Law <law@redhat.com>
15279 * tree-vrp.c (infer_value_range): Only count pointer uses
15280 and dereferences if -fdelete-null-pointer-checks is enabled.
15282 * tree-vrp.c (find_assert_locations): Infer value ranges for
15283 single use pointers, but do not create ASSERT_EXPRs for them.
15284 When a non-null range is inferred for a pointer, backwards
15285 propagate that range to other equivalent pointers through the
15288 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
15291 * Makefile.in (dvi, html, install-info): Invoke the corresponding
15292 language hook targets.
15293 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
15294 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
15295 if language hook targets were missing.
15297 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
15299 * tree-ssa-opfinalize.h: Removed.
15300 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
15302 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
15303 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
15304 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
15305 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
15306 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
15307 finalize_ssa_v_must_def_ops): New.
15309 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
15311 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
15312 block as parameter.
15314 2006-03-07 Geoffrey Keating <geoffk@apple.com>
15316 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
15318 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
15319 addresses with offsets; reorganize.
15321 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
15322 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
15323 (expand_builtin_init_dwarf_reg_sizes): Likewise.
15325 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
15328 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
15330 2006-03-08 Ben Elliston <bje@au.ibm.com>
15332 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
15334 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
15337 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
15340 2006-03-07 Richard Guenther <rguenther@suse.de>
15342 PR tree-optimization/26587
15343 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
15345 2006-03-07 Richard Sandiford <richard@codesourcery.com>
15347 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
15349 2006-03-07 Richard Sandiford <richard@codesourcery.com>
15351 * hooks.c (hook_bool_mode_rtx_true): New function.
15352 * hooks.h (hook_bool_mode_rtx_true): Declare.
15353 * toplev.c (compile_file): Call output_shared_constant_pool.
15354 * varasm.c (shared_constant_pool): New variable.
15355 (assemble_start_function, assemble_end_function): Remove arguments
15356 from call to output_constant_pool.
15357 (create_constant_pool): New function, split out from...
15358 (init_varasm_status): ...here.
15359 (force_const_mem): Choose between the shared and per-function constant
15360 pools. Set current_function_uses_const_pool when reusing old entries
15361 as well as when creating new ones.
15362 (mark_constant): Ignore data argument.
15363 (mark_constants): Remove pool argument.
15364 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
15365 to decide whether the function uses a constant pool.
15366 (output_constant_pool_contents): New function, split out from...
15367 (output_constant_pool): ...here.
15368 (output_shared_constant_pool): New function.
15369 (init_varasm_once): Initialize shared_constant_pool.
15370 * output.h (output_constant_pool): Delete.
15371 (output_shared_constant_pool): Declare.
15372 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
15373 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
15375 2006-03-06 Nick Clifton <nickc@redhat.com>
15377 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
15378 flag_strength_reduce.
15380 2006-03-06 Ben Elliston <bje@au.ibm.com>
15382 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
15383 x86_64-*-linux* configurations.
15385 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
15386 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
15388 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15390 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
15392 * basic-block.h: Remove the extern for
15393 rediscover_loops_after_threading.
15395 * cfgloop.c (cancel_loop): Make it static.
15396 * cfgloop.h: Remove the prototype for cancel_loop.
15398 * flow.c (recompute_reg_usage): Make it static.
15399 * rtl.h: Remove the prototype for recompute_reg_usage.
15401 * function.c (use_return_register): Make it static.
15402 * function.h: Remove the prototype.
15404 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15406 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
15408 * recog.h: Remove the prototype for
15409 validate_change_maybe_volatile.
15411 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15413 * rtlanal.c (replace_reg): Remove.
15414 * rtl.h: Remove the prototype for replace_reg.
15416 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
15418 * regclass.c (reg_scan_update): Remove.
15419 (reg_scan_mark_refs): Remove the last argument.
15420 * rtl.h: Remove the prototype for reg_scan_update.
15422 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15424 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
15425 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
15426 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
15427 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
15428 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
15429 loop-invariant.c, omp-low.c, opts.c, passes.c,
15430 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
15431 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
15432 tree-ssa-structalias.c, tree-ssa-threadedge.c,
15433 tree-ssa-threadupdate.c, tree-vect-patterns.c,
15434 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
15435 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
15437 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15439 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
15440 * dwarf2out.h: Remove the prototype for
15441 dwarf2out_add_library_unit_info.
15443 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15445 * tree.c (add_var_to_bind_expr): Remove.
15446 * tree.h: Remove the prototype for add_var_to_bind_expr.
15448 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15450 * regclass.c (n_non_fixed_regs): Remove.
15451 (init_reg_sets_1, globalize_reg): Remove all uses of
15453 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
15455 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15457 * rtlanal.c (insns_safe_to_move_p): Remove.
15458 * rtl.h: Remove the prototype for insns_safe_to_move_p.
15460 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
15462 * expmed.c (expand_mult_add): Remove.
15463 * expr.h: Remove the prototype for expand_mult_add.
15465 2006-03-04 Jakub Jelinek <jakub@redhat.com>
15467 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
15468 and REG_SAVED_VAL_EXP constants.
15469 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
15470 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
15471 Handle regs stored by value.
15472 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
15473 (execute_cfa_program): Handle DW_CFA_val_offset,
15474 DW_CFA_val_offset_sf and DW_CFA_val_expression.
15475 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
15476 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
15477 (uw_install_context_1): Handle target regs stored by value.
15479 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
15481 * tree-sra.c (tree_sra): Return todoflags;
15482 (generate_one_element): Set TODO_update_smt_usage if needed.
15483 (pass_sra): Remove TODO_update_smt_usage.
15484 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
15486 (tree_ssa_forward_propagate_single_use_vars): Return
15487 TODO_update_smt_usage if we need to update SMT usage.
15488 (pass_forwprop): Remove TODO_update_smt_usage.
15490 2006-03-03 Diego Novillo <dnovillo@redhat.com>
15492 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
15493 (correct_use_link): Remove reference to get_stmt_operands.
15494 (update_stmt_operands): Likewise.
15495 (get_modify_expr_operands): New function factored out of
15496 parse_ssa_operands and get_expr_operands.
15497 Try to create V_MUST_DEFs for LHS by default.
15498 (get_expr_operands) <case MODIFY_EXPR>: Call
15499 get_modify_expr_operands.
15500 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
15501 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
15502 (parse_ssa_operands) <case MODIFY_EXPR>: Call
15503 get_modify_expr_operands.
15505 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
15507 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
15508 * tree-flow.h: Remove the prototype for
15509 referenced_var_lookup_if_exists.
15511 2006-03-03 Steve Ellcey <sje@cup.hp.com>
15513 PR rtl-optimization/26345
15515 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
15517 2006-03-03 Roger Sayle <roger@eyesopen.com>
15519 PR tree-optimization/26524
15520 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
15521 fold_convert to create a constant of the appropriate type.
15523 2006-03-03 Richard Sandiford <richard@codesourcery.com>
15525 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15526 SYMBOL_REF_IN_BLOCK_P.
15527 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
15528 of SYMBOL_FLAG_IN_BLOCK.
15529 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
15530 instead of SYMBOL_REF_IN_BLOCK_P.
15531 * explow.c (use_anchored_address): Likewise.
15532 * rtl.c (rtx_size): Likewise.
15533 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
15534 instead of SYMBOL_FLAG_IN_BLOCK.
15535 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15536 SYMBOL_REF_IN_BLOCK_P.
15537 (assemble_variable): Likewise.
15538 (output_constant_def_contents): Likewise.
15539 (output_constant_pool): Likewise.
15540 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
15541 instead of SYMBOL_FLAG_IN_BLOCK.
15542 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15543 SYMBOL_REF_IN_BLOCK_P.
15544 (SYMBOL_REF_BLOCK): Likewise.
15545 (SYMBOL_REF_OFFSET): Likewise.
15546 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
15547 SYMBOL_REF_IN_BLOCK_P.
15548 (SYMBOL_FLAG_IN_BLOCK): Replace with...
15549 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
15550 (SYMBOL_REF_IN_BLOCK_P): Replace with...
15551 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
15553 2006-03-03 Jakub Jelinek <jakub@redhat.com>
15555 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
15557 2006-03-02 Roger Sayle <roger@eyesopen.com>
15559 * simplify-rtx.c (simplify_unary_operation): When simplifying
15560 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
15561 that we perform the right shift in the appropriate mode, and
15562 then extend or truncate the result to requested mode.
15564 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
15566 * gengtype.c (main): Handle double_int type.
15567 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
15568 * double-int.c: New file.
15569 * double-int.h: New file.
15570 * system.h: Include doubleint.h.
15571 * Makefile.in (SYSTEM_H): Include double-int.h.
15572 (double-int.o): Add.
15574 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
15577 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
15580 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15582 * tree-vrp.c (remove_range_assertions): Do not update statements
15585 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15587 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
15589 * gcse.c (rest_of_handle_gcse): Ditto.
15590 * except.c (gate_handle_eh): Ditto.
15591 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
15592 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
15594 2006-03-02 Eric Christopher <echristo@apple.com>
15596 * config/i386/i386.c (machopic_output_stub): Add indirection to
15599 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
15603 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
15605 Sun Niagara specific optimizations.
15606 * config.gcc: Recognize niagara as target.
15607 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
15608 (TARGET_CPU_niagara): Define.
15609 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
15610 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
15611 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15612 (ASM_CPU_SPEC): Likewise.
15613 (PROCESSOR_NIAGARA): New enum entry.
15614 (REGISTER_MOVE_COST): Handle Niagara.
15615 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
15616 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
15617 (sparc_override_options): Recognize "niagara", set appropriate
15618 default MASK_* values for it, and align functions to 32-bytes
15619 by default just like ULTRASPARC/ULTRASPARC3.
15620 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
15621 (sparc64_initialize_trampoline): Likewise.
15622 (sparc_use_sched_lookahead): Use zero for niagara.
15623 (sparc_issue_rate): Use one for niagara.
15624 * config/sparc/niagara.md: New file.
15625 * config/sparc/sparc.md: Include it.
15626 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
15627 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
15628 when default cpu is niagara.
15629 (CPP_CPU_SPEC): Handle -mcpu=niagara.
15630 (ASM_CPU_SPEC): Likewise.
15631 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
15632 when default cpu is niagara.
15633 (ASM_CPU_SPEC): Handle -mcpu=niagara.
15634 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
15635 just like v9/ultrasparc/ultrasparc3.
15636 * doc/invoke.texi: Add documentation for "niagara" and improve
15637 existing documentation for ultrasparc variants.
15639 2006-03-02 Diego Novillo <dnovillo@redhat.com>
15641 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
15643 2006-03-02 Richard Sandiford <richard@codesourcery.com>
15645 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
15646 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
15647 and say that only one is needed.
15648 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
15649 * target.h (have_switchable_bss_sections): New hook.
15650 * explow.c (use_anchored_address): Check that the symbol is in a block.
15651 * varasm.c (tls_comm_section, comm_section, lcomm_section)
15652 (bss_noswitch_section): New variables.
15653 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
15654 (get_noswitch_section): New function.
15655 (get_block_for_section): Allow SECT to be null.
15656 (unlikely_text_section_p): Use SECTION_STYLE.
15657 (bss_initializer_p): New function.
15658 (get_variable_section): Move earlier in file. Take a new argument,
15659 prefer_noswitch_p. Move bss checks from assemble_variable to here.
15660 Return one of the new *_sections in such cases.
15661 (get_block_for_decl): New function, extracting some logic from
15662 use_blocks_for_decl_p.
15663 (change_symbol_section): Remove in favor of...
15664 (change_symbol_block): ...this new function.
15665 (use_blocks_for_decl_p): Remove checks now performed by
15666 get_block_for_decl.
15667 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
15668 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
15669 (emit_local, emit_bss, emit_common): ...these new functions.
15670 Return true if the alignment was honored.
15671 (emit_tls_common): New function.
15672 (asm_emit_uninitialised): Delete.
15673 (assemble_variable_noswitch): New function, split out from...
15674 (assemble_variable): ...here. Don't make decisions about common
15675 variables here. Globalize all public decls that go into non-common
15676 sections. Check whether SYMBOL_REF_BLOCK is null.
15677 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
15678 (output_constant_pool): Likewise.
15679 (init_varasm_once): Initialize the new section variables.
15680 (have_global_bss_p): New function.
15681 (categorize_decl_for_section): Use bss_initializer_p.
15682 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
15683 (place_block_symbol): Assert that the symbol must be in a block.
15684 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
15685 (TARGET_INITIALIZER): Include it.
15686 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
15687 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
15688 (SECTION_MACH_DEP): Bump by two.
15689 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
15690 (unnamed_section): Mention SECTION_UNNAMED in comment.
15691 (named_section): Likewise SECTION_NAMED.
15692 (noswitch_section_callback): New type.
15693 (noswitch_section): New structure.
15694 (section): Add a noswitch_section alternative.
15695 (SECTION_STYLE): New macro.
15696 (tls_comm_section, comm_section, lcomm_section): Declare.
15697 (bss_noswitch_section, have_global_bss_p): Declare.
15698 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15699 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15701 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
15702 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
15705 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
15707 * tree-vrp.c (execute_vrp): Return value.
15708 * regrename.c (rest_of_handle_regrename): Ditto.
15709 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
15710 * tree-complex.c (tree_lower_complex): Ditto.
15711 (tree_lower_complex_O0): Ditto.
15712 * tracer.c (rest_of_handle_tracer): Ditto.
15713 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
15714 * postreload.c (rest_of_handle_postreload): Ditto.
15715 * tree-tailcall.c (execute_tail_recursion): Ditto.
15716 (execute_tail_calls): Ditto.
15717 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15718 * tree.h (init_function_for_compilation): Ditto.
15719 * ipa-cp.c (ipcp_driver): Ditto.
15720 * tree-scalar-evolution.c (scev_const_prop): Ditto.
15721 * tree-scalar-evolution.h (scev_const_prop): Ditto.
15722 * final.c (compute_alignments): Ditto.
15723 (rest_of_handle_final): Ditto.
15724 (rest_of_handle_shorten_branches): Ditto.
15725 (rest_of_clean_state): Ditto.
15726 * omp-low.c (execute_expand_omp): Ditto.
15727 (execute_lower_omp): Ditto.
15728 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
15729 * ipa-reference.c (static_execute): Ditto.
15730 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
15731 * reorg.c (rest_of_handle_delay_slots): Ditto.
15732 (rest_of_handle_machine_reorg): Ditto.
15733 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
15734 * flow.c (recompute_reg_usage): Ditto.
15735 (rest_of_handle_remove_death_notes): Ditto.
15736 (rest_of_handle_life): Ditto.
15737 (rest_of_handle_flow2): Ditto.
15738 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
15739 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
15740 (do_ssa_store_ccp): Ditto.
15741 (execute_fold_all_builtins): Ditto.
15742 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
15743 * modulo-sched.c (rest_of_handle_sms): Ditto.
15744 * ipa-pure-const.c (static_execute): Ditto.
15745 * cse.c (rest_of_handle_cse): Ditto.
15746 (rest_of_handle_cse2): Ditto.
15747 * web.c (rest_of_handle_web): Ditto.
15748 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
15749 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
15750 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
15751 * tree-nrv.c (tree_nrv): Ditto.
15752 (execute_return_slot_opt): Ditto.
15753 * tree-ssa-alias.c (compute_may_aliases): Ditto.
15754 (create_structure_vars): Ditto.
15755 * loop-init.c (rtl_loop_init): Ditto.
15756 (rtl_loop_done): Ditto.
15757 (rtl_move_loop_invariants): Ditto.
15758 (rtl_unswitch): Ditto.
15759 (rtl_unroll_and_peel_loops): Ditto.
15760 (rtl_doloop): Ditto.
15761 * gimple-low.c (lower_function_body): Ditto.
15762 (mark_used_blocks): Ditto.
15763 * tree-ssa-sink.c (execute_sink_code): Ditto.
15764 * ipa-inline.c (cgraph_decide_inlining): Ditto.
15765 (cgraph_early_inlining): Ditto.
15766 * global.c (rest_of_handle_global_alloc): Ditto.
15767 * jump.c (cleanup_barriers): Ditto.
15768 (purge_line_number_notes): Ditto.
15769 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
15770 (rest_of_handle_if_after_reload): Ditto.
15771 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
15772 (tree_ssa_loop_im): Ditto.
15773 (tree_ssa_loop_unswitch): Ditto.
15774 (tree_vectorize): Ditto.
15775 (tree_linear_transform): Ditto.
15776 (tree_ssa_loop_ivcanon): Ditto.
15777 (tree_ssa_empty_loop): Ditto.
15778 (tree_ssa_loop_bounds): Ditto.
15779 (tree_complete_unroll): Ditto.
15780 (tree_ssa_loop_prefetch): Ditto.
15781 (tree_ssa_loop_ivopts): Ditto.
15782 (tree_ssa_loop_done): Ditto.
15783 * predict.c (tree_estimate_probability): Ditto.
15784 * recog.c (split_all_insns_noflow): Ditto.
15785 (rest_of_handle_peephole2): Ditto.
15786 (rest_of_handle_split_all_insns): Ditto.
15787 * tree-eh.c (lower_eh_constructs): Ditto.
15788 * regmove.c (rest_of_handle_regmove): Ditto.
15789 (rest_of_handle_stack_adjustments): Ditto.
15790 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
15791 * function.c (instantiate_virtual_regs): Ditto.
15792 (init_function_for_compilation): Ditto.
15793 (rest_of_handle_check_leaf_regs): Ditto.
15794 * gcse.c (rest_of_handle_jump_bypass): Ditto.
15795 (rest_of_handle_gcse): Ditto.
15796 * ipa-type-escape.c (type_escape_execute): Ditto.
15797 * alias.c (rest_of_handle_cfg): Ditto.
15798 * tree-if-conv.c (main_tree_if_conversion): Ditto.
15799 * profile.c (rest_of_handle_branch_prob): Ditto.
15800 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
15801 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
15802 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
15803 * tree-dfa.c (find_referenced_vars): Ditto.
15804 * except.c (set_nothrow_function_flags): Ditto.
15805 (convert_to_eh_region_ranges): Ditto.
15806 (rest_of_handle_eh): Ditto.
15807 * emit-rtl.c (unshare_all_rtl): Ditto.
15808 (remove_unnecessary_notes): Ditto.
15809 * except.h (set_nothrow_function_flags): Ditto.
15810 (convert_to_eh_region_ranges): Ditto.
15811 * cfgexpand.c (tree_expand_cfg): Ditto.
15812 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
15813 * tree-ssa-pre.c (do_pre): Ditto.
15814 (execute_fre): Ditto.
15815 * cfgcleanup.c (rest_of_handle_jump): Ditto.
15816 (rest_of_handle_jump2): Ditto.
15817 * tree-sra.c (tree_sra): Ditto.
15818 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
15819 (execute_mudflap_function_decls): Ditto.
15820 * tree-ssa-copy.c (do_copy_prop): Ditto.
15821 (do_store_copy_prop): Ditto.
15822 * ipa-prop.h (ipcp_driver): Ditto.
15823 * cfglayout.c (insn_locators_initialize): Ditto.
15824 * tree-ssa-forwprop.c
15825 (tree_ssa_forward_propagate_single_use_vars): Ditto.
15826 * cfglayout.h (insn_locators_initialize): Ditto.
15827 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
15828 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
15829 (execute_late_warn_uninitialized): Ditto.
15830 * rtl.h (cleanup_barriers): Ditto.
15831 (split_all_insns_noflow): Ditto.
15832 (purge_line_number_notes): Ditto.
15833 (unshare_all_rtl): Ditto.
15834 (remove_unnecessary_notes): Ditto.
15835 (recompute_reg_usage): Ditto.
15836 (variable_tracking_main): Ditto.
15837 * integrate.c (emit_initial_value_sets): Ditto.
15838 * integrate.h (emit_initial_value_sets): Ditto.
15839 * tree-optimize.c (execute_free_datastructures): Ditto
15840 (execute_free_cfg_annotations): Ditto.
15841 (execute_fixup_cfg): Ditto.
15842 (execute_cleanup_cfg_pre_ipa): Ditto.
15843 (execute_cleanup_cfg_post_optimizing): Ditto.
15844 (execute_init_datastructures): Ditto.
15845 * tree-object-size.c (compute_object_sizes): Ditto.
15846 * combine.c (rest_of_handle_combine): Ditto.
15847 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
15848 * bb-reorder.c (duplicate_computed_gotos): Ditto.
15849 (rest_of_handle_reorder_blocks): Ditto.
15850 (rest_of_handle_partition_blocks): Ditto.
15851 * var-tracking.c (variable_tracking_main): Ditto.
15852 * tree-profile.c (tree_profiling): Ditto.
15853 * tree-vect-generic.c (expand_vector_operations): Ditto.
15854 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
15855 * sched-rgn.c (rest_of_handle_sched): Ditto.
15856 (rest_of_handle_sched2): Ditto.
15857 * basic-block.h (free_bb_insn): Ditto.
15858 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
15859 * tree-cfg.c (execute_build_cfg): Ditto.
15860 (remove_useless_stmts): Ditto.
15861 (split_critical_edges): Ditto.
15862 (execute_warn_function_return): Ditto.
15863 (execute_warn_function_noreturn): Ditto.
15864 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
15865 * cfgrtl.c (free_bb_for_insn): Ditto.
15866 * passes.c (execute_one_pass): Run additional
15867 todos returned by execute function.
15868 * tree-pass.h (struct tree_opt_pass): Make execute
15871 2006-03-02 Richard Guenther <rguenther@suse.de>
15873 * tree-ssa-alias.c (find_used_portions): Consider taking
15874 the address as making the variable not write-only.
15876 2006-03-02 Nick Clifton <nickc@redhat.com>
15878 * config.gcc (default_use_cxa_atexit): Extend the description of
15879 this configure variable. Set its default value to "yes" for
15880 Linux, NetBSD and ELF targets on the assumption that they will
15881 use C libraries with the __cxa_atexit function.
15883 2006-03-02 Ben Elliston <bje@au.ibm.com>
15885 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
15886 parameter as unused to suppress a build warning.
15888 2006-03-02 Ben Elliston <bje@au.ibm.com>
15890 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
15893 2006-03-01 Roger Sayle <roger@eyesopen.com>
15896 * gthr-posix.h (__gthrw2): Define to take three parameters, the
15897 declared name, the weak reference name, and the typeof name.
15898 (__gthrw): Avoid expanding the declared name suffix.
15899 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
15901 2006-03-01 Jakub Jelinek <jakub@redhat.com>
15903 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
15905 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
15906 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
15907 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
15908 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
15909 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
15910 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
15911 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
15912 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
15913 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
15914 DW_DS_leading_separate, DW_DS_trailing_separate): New.
15915 (DW_END_default, DW_END_big, DW_END_little): New.
15916 (DW_END_lo_user, DW_END_hi_user): Define.
15917 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
15918 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
15919 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
15922 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15924 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
15926 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
15928 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
15930 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
15932 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
15933 to 'symbol_mem_tag'.
15935 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
15938 2006-03-01 Roger Sayle <roger@eyesopen.com>
15940 * builtins.c (fold_builtin_copysign): Delete unreachable code.
15942 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15945 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
15946 MACHO_DYNAMIC_NO_PIC_P.
15947 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
15949 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15952 * config/darwin-protos.h (darwin_asm_output_anchor):
15954 * config/darwin-sections.def (cstring_section):
15955 Add SECTION_MERGE to the flags.
15956 (literal4_section): Likewise.
15957 (literal8_section): Likewise.
15958 (objc_selector_refs_section): Likewise.
15959 (objc_cls_refs_section): Likewise.
15960 * config/darwin.c (darwin_asm_output_anchor): New
15962 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15964 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
15966 Fix PR tree-optimization/26443
15967 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
15968 to todo and PROP_tmt_usage to properties_destroyed.
15969 * tree-ssa-ccp.c (pass_ccp): Ditto.
15970 (pass_store_ccp): Ditto.
15971 * tree-ssa-dom.c (pass_dominator): Ditto.
15973 2006-03-01 Diego Novillo <dnovillo@redhat.com>
15975 * tree-ssa-operands.c: Cleanup whitespace.
15976 (get_asm_expr_operands): Move before first invocation.
15977 (get_indirect_ref_operands): Likewise.
15978 (get_tmr_operands): Likewise.
15979 (get_call_expr_operands): Likewise.
15980 (append_def): Likewise.
15981 (append_use): Likewise.
15982 (append_v_may_def): Likewise.
15983 (append_v_must_def): Likewise.
15984 (add_call_clobber_ops): Likewise.
15985 (add_call_read_ops): Likewise.
15986 (add_stmt_operand): Likewise.
15987 (add_virtual_operand): Likewise.
15988 (build_ssa_operands): Likewise.
15990 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
15992 PR middle-end/26022
15994 PR middle-end/24437
15995 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
15996 with a call expr to ...
15997 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
15999 2006-03-01 Diego Novillo <dnovillo@redhat.com>
16001 * tree-vrp.c (extract_range_from_assert): Remove special
16002 handling for types with super-types.
16004 2006-03-01 Ben Elliston <bje@au.ibm.com>
16006 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
16007 and powerpc64-*-linux* configurations.
16008 * config/t-dfprules: New file.
16010 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
16011 Compile dfp-bit.c from the source directory using -DWIDTH and
16012 $DFP_CFLAGS to control the compilation of that file, rather than
16013 generating width-specific versions in the build directory.
16014 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
16015 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
16017 2006-02-28 Zack Weinberg <zackw@panix.com>
16019 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
16022 2006-02-28 Eric Christopher <echristo@apple.com>
16024 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
16025 Set up IN_LIBGCC definition of TARGET_64BIT.
16026 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
16028 2006-02-28 Roger Sayle <roger@eyesopen.com>
16030 PR middle-end/14752
16031 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
16032 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
16033 cases via the construction of "expr != 0".
16035 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
16037 * alias.c (alias_invariant, alias_invariant_size): Remove.
16038 (record_base_value): Remove.
16039 (memrefs_conflict_p): Don't look at alias_invariant.
16040 (end_alias_analysis): Don't free it.
16041 * alias.h (record_base_value): Remove prototype.
16043 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
16044 Adam Nemet <anemet@caviumnetworks.com>
16046 * rtl.h (truncated_to_mode): Declare it.
16047 (struct rtl_hooks): Add reg_truncated_to_mode hook.
16048 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
16049 (RTL_HOOKS_INITIALIZER): Include it.
16050 * rtlhooks.c (reg_truncated_to_mode_general): New function.
16051 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
16052 reg_truncated_to_mode.
16053 * rtlanal.c (truncated_to_mode): Define it.
16054 * simplify-rtx.c (simplify_unary_operation_1): Use it.
16056 2006-02-28 Jeff Law <law@redhat.com>
16058 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
16059 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
16060 the range allowed by TYPE_PRECISION.
16062 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
16064 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
16066 PR tree-optimization/26419
16067 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
16070 2006-02-27 Zack Weinberg <zackw@panix.com>
16072 * doc/md.texi: Fix typo in previous change.
16074 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
16078 2006-02-27 Zack Weinberg <zackw@panix.com>
16080 * rtl.def (define_constraint, define_register_constraint)
16081 (define_memory_constraint, define_address_constraint): New MD forms.
16082 * gensupport.c (process_rtx): Put define_constraint etc on the
16084 * genpreds.c (process_define_predicate): Adjust comment. Validate
16085 the name, and call validate_exp to validate the expression.
16086 (mark_mode_tests, write_extract_subexp): Can assume correct input.
16087 (write_predicate_expr): Likewise. NAME argument no longer necessary;
16088 all callers changed.
16089 (validate_exp, needs_variable, struct constraint_data)
16090 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
16091 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
16092 (const_dbl_constraints, constraint_max_namelen)
16093 (have_register_constraints, have_memory_constraints)
16094 (have_address_constraints, have_address_constraints)
16095 (have_extra_constraints, have_const_int_constraints)
16096 (have_const_dbl_constraints, mangle, add_constraint)
16097 (process_define_constraint, process_define_register_constraint)
16098 (write_enum_constraint_num, write_lookup_constraint)
16099 (write_insn_constraint_len, write_regclass_for_constraint)
16100 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
16101 (write_insn_extra_memory_constraint)
16102 (write_insn_extra_address_constraint)
16103 (write_satisfies_constraint_fns): New.
16104 (write_tm_preds_h): If we have new-style constraint definitions,
16105 prototype the functions generated from them, and define the
16106 old constraint interface (still used by generic code) in terms of
16108 (write_insn_preds_c): If we have new-style constraint definitions,
16109 generate all relevant functions from those definitions.
16110 (main): Handle define_constraint etc.
16111 * genoutput.c (struct constraint_data, indep_constraints)
16112 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
16113 (mdep_constraint_len): New data structures and functions, defined
16114 #ifdef USE_MD_CONSTRAINTS.
16115 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
16116 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
16117 use new logic to validate operand constraints against constraint
16119 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
16121 * defaults.h: If none of the old-style constraint macros are
16122 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
16123 old-style macros; and poison REG_CLASS_FROM_LETTER,
16124 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
16126 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
16127 * doc/md.texi: Document new constraint-definition mechanism and the
16128 C interface it provides. Remove references to old mechanism
16129 elsewhere in the document.
16130 (Machine Constraints): Use pathnames relative to gcc directory,
16131 i.e. config/ARCH/FILE. Change i386 section to refer to
16132 config/i386/predicates.md; update that section to match docstrings.
16133 * doc/tm.texi: Move all documentation of the old constraint-
16134 definition macros to their own section, clearly mark as obsolete.
16136 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
16137 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
16139 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
16140 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
16141 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
16142 constraint strings.
16143 (splits and peepholes): Use satisfies_constraint_*.
16144 * config/i386/i386.c (memory_address_length)
16145 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
16147 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16149 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
16150 scalar operation to be put back into the loop.
16152 2006-02-27 Jakub Jelinek <jakub@redhat.com>
16155 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
16156 (extract_cie_info): Handle S flag in augmentation string.
16157 (execute_cfa_program): If context->signal_frame, execute also
16158 fs->pc == context->ra instructions.
16159 (uw_frame_state_for): If context->signal_frame, don't subtract one
16160 from context->ra to find FDE.
16161 (uw_update_context_1): Set context->signal_frame to
16163 (_Unwind_GetIPInfo): New function.
16164 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
16165 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
16167 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
16168 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
16169 * unwind-compat.c (_Unwind_GetIPInfo): New function.
16170 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
16171 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
16172 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
16173 * config/i386/linux-unwind.h (x86_fallback_frame_state,
16174 x86_64_fallback_frame_state): Set fs->signal_frame.
16175 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
16176 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
16177 (frob_update_context): Likewise. Workaround missing S flag in
16178 Linux 2.6.12 - 2.6.16 kernel vDSOs.
16179 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
16180 Remove the psw_addr + 1 hack.
16182 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
16184 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
16185 with aggregates here.
16186 (find_func_aliases): Remove code for &<aggregate> from here.
16188 2006-02-26 Roger Sayle <roger@eyesopen.com>
16190 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
16191 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
16192 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
16193 as (X & C) ne/eq 0.
16195 2006-02-26 Roger Sayle <roger@eyesopen.com>
16197 PR middle-end/19983
16198 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
16200 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
16202 * opts.c (decode_options): Do not handle flag_strength_reduce.
16203 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
16204 and OPT_fstrength_reduce.
16205 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
16206 flag_prefetch_loop_arrays for being nonzero.
16207 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
16209 (fprefetch-loop-arrays-rtl): Removed.
16210 (flag_prefetch_loop_arrays): Do not specify the value.
16212 * doc/passes.texi: Update documentation of loop optimizer
16214 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
16215 -frerun-loop-opt): Remove.
16217 2006-02-26 Richard Guenther <rguenther@suse.de>
16219 PR tree-optimization/26421
16220 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
16221 in function calls that are ADDR_EXPRs as using the whole structure.
16223 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
16225 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
16226 * tree-pass.h (pass_loop_optimize): Remove.
16227 * passes.c (pass_loop_optimize): Never run it.
16228 * toplev.c (backend_init): Don't call init_loop.
16229 * opts.c (flag_loop_optimize_set): Remove.
16230 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
16231 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
16232 the old RTL loop optimizer when profiling enabled.
16233 * predict.c (tree_estimate_probability): Always strip builtin_expect.
16234 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
16235 pre-headers for the sake of the old RTL loop optimizer.
16236 * Makefile.in: Remove all references to loop.o.
16238 * doc/invoke.texi: Remove all references to -floop-optimize
16239 and -frerun-loop-opt.
16241 2006-02-26 Zack Weinberg <zackw@panix.com>
16243 * doc/md.texi (Machine Constraints): Refer to all files with paths
16244 relative to gcc directory (i.e. config/CPU/file). Add missing
16245 @table @code ... @end table to M32C subsection.
16247 2006-02-26 Roger Sayle <roger@eyesopen.com>
16249 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
16251 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
16253 2006-02-26 Roger Sayle <roger@eyesopen.com>
16254 James A. Morrison <phython@gcc.gnu.org>
16256 PR middle-end/21137
16257 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
16258 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
16259 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
16260 signedness of the shift operation.
16262 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
16264 PR tree-optimization/26359
16265 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
16267 2006-02-25 Roger Sayle <roger@eyesopen.com>
16269 * simplify-rtx.c (simplify_relational_operation_1): Simplify
16270 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
16271 as X == 0, and some symmetry related transformations.
16272 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
16274 2006-02-25 Roger Sayle <roger@eyesopen.com>
16276 PR middle-end/23673
16277 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
16278 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
16279 symmetry related transformations. Fold (X^C1) == C2 as
16282 2006-02-25 Juergen Weigert <jw@suse.de>
16283 Richard Guenther <rguenther@suse.de>
16285 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
16287 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
16289 * combine.c (gen_lowpart_or_truncate): Call
16290 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
16292 2006-02-24 Diego Novillo <dnovillo@redhat.com>
16294 * doc/invoke.texi: Move -fopenmp description to "Options for
16296 Remove reference to -lgomp.
16298 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16300 * doc/install.texi: Require GNU tar version 1.14.
16302 2006-02-24 Geoffrey Keating <geoffk@apple.com>
16304 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
16305 * doc/invoke.texi (C++ Dialect Options): Document
16306 -fno-use-cxa-get-exception-ptr.
16307 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
16308 * configure: Regenerate.
16309 * c.opt (fuse-cxa-get-exception-ptr): New.
16310 * c-opts.c (c_common_handle_option): Handle
16311 OPT_fuse_cxa_get_exception_ptr.
16312 * c-common.c (flag_use_cxa_atexit): Update documentation.
16313 (flag_use_cxa_get_exception_ptr): New.
16314 * c-common.h (flag_use_cxa_get_exception_ptr): New.
16315 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
16317 (C_COMMON_OVERRIDE_OPTIONS): New.
16319 2006-02-24 Roger Sayle <roger@eyesopen.com>
16321 PR middle-end/24952
16322 * combine.c (try_combine): Explicitly check whether GET_CODE is
16323 a SET or a CLOBBER, instead on checking that it isn't a USE.
16325 2006-02-24 Roger Sayle <roger@eyesopen.com>
16327 * fold-const.c (fold_comparison): New subroutine of fold_binary
16328 containing transformations common to both the equality and
16329 ordering relational operators, factored out of fold_binary.
16330 (fold_binary): Separate out the equality operators (EQ_EXPR
16331 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
16332 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
16333 transformations common to both.
16334 (fold_div_compare): Fix latent bugs in the previously unreachable
16335 LT_EXPR and GE_EXPR cases.
16337 2006-02-24 David Edelsohn <edelsohn@gnu.org>
16339 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
16340 decl libname for clog to __clog on AIX.
16342 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
16344 2006-02-24 Alan Modra <amodra@bigpond.net.au>
16347 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
16348 output traceback table for thunks. Localise rs6000_stack_info call.
16350 2006-02-23 Roger Sayle <roger@eyesopen.com>
16351 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16353 * gthr-posix.h (__gthrw): Fix typo in comment.
16355 2006-02-23 Geoffrey Keating <geoffk@apple.com>
16357 * doc/cpp.texi (Character sets): Document that we do support
16358 input files to be in any character set.
16360 2006-02-23 Jeff Law <law@redhat.com>
16362 * tree.h (PHI_ARG_NONZERO): Remove.
16363 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
16364 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
16365 node to the new node.
16367 PR tree-optimization/26425
16368 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
16369 min/max, then assume its varying.
16371 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16373 PR rtl-optimization/26316
16374 * rtlanal.c (enum may_trap_p_flags): New.
16375 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
16376 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
16377 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
16378 (may_trap_after_code_motion_p): New function.
16379 * loop-invariant.c (find_identical_invariants): Fix dump formating.
16380 (find_invariant_insn): Use may_trap_after_code_motion_p.
16381 * rtl.h (may_trap_after_code_motion_p): Declare.
16383 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
16385 * emit-rtl.c (immed_double_const): Cleanup.
16387 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
16389 Fix PR tree-optimization/26376
16390 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
16393 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16395 PR middle-end/26412
16396 * gimplify.c (omp_add_variable): Guard variable size decl test with
16397 DECL_SIZE (decl) check.
16399 2006-02-23 Richard Guenther <rguenther@suse.de>
16401 PR middle-end/26439
16402 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
16403 like aggregate types.
16405 2006-02-23 Jakub Jelinek <jakub@redhat.com>
16407 * configure.ac: Add --with{,out}-long-double-128 configure option.
16408 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
16409 * configure: Rebuilt.
16410 * config.in: Rebuilt.
16411 * doc/install.texi (Options specification): Document
16412 --with-long-double-128.
16414 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16415 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16416 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
16417 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
16419 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
16421 * config/s390/s390.c (override_options): Handle
16422 TARGET_DEFAULT_LONG_DOUBLE_128.
16424 * config/alpha/alpha.c (override_options): Handle
16425 TARGET_DEFAULT_LONG_DOUBLE_128.
16427 * config/sparc/sparc.c (sparc_override_options): Handle
16428 TARGET_DEFAULT_LONG_DOUBLE_128.
16430 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
16432 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
16433 (real-install-headers-tar, real-install-headers-cpio)
16434 (real-install-headers-cp): New targets.
16436 2006-02-22 Richard Sandiford <richard@codesourcery.com>
16438 * tree.h (variable_section): Delete.
16439 * varasm.c (variable_section): Delete.
16441 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
16443 * install.texi: Add notes on install.texi2html.
16444 (Building in parallel): Do not use footnotes.
16446 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
16449 * doc/install.texi (Configuration): Document --disable-libgomp.
16451 2006-02-21 Geoffrey Keating <geoffk@apple.com>
16453 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
16455 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16457 * config/i386/sse.md (vec_extractv2df_1_sse): New.
16458 (vec_extractv2df_0_sse): New.
16460 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
16462 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
16463 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
16464 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
16465 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
16466 to the result of the expression.
16467 (def_cfa_1): Adjust.
16468 (frame_pointer_cfa_offset): Rename to...
16469 (frame_pointer_fb_offset): ... this. Adjust all uses.
16470 (convert_cfa_to_loc_list): Rename to...
16471 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
16472 Pass it on to build_cfa_loc.
16473 (compute_frame_pointer_to_cfa_displacement): Rename to...
16474 (compute_frame_pointer_to_fb_displacement): ... this. New
16475 offset parameter. Use it in computation.
16476 (gen_subprogram_die): Compute cfa_fb_offset with the new
16477 macro, and use it to compute the fb loc list and the
16480 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
16482 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
16483 replaced with register_operand.
16484 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
16485 non-DREG is expensive.
16486 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
16487 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
16490 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
16492 * doc/install.texi2html: Use set -e.
16494 2006-02-21 Richard Sandiford <richard@codesourcery.com>
16496 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16497 (ASM_OUTPUT_SHARED_LOCAL): Delete.
16498 * doc/invoke.texi (-fshared-data): Delete.
16499 * common.opt (fshared-data): Delete.
16500 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
16501 (assemble_static_space): Remove #if 0 code.
16502 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
16503 (ASM_OUTPUT_SHARED_LOCAL): Poison.
16504 * config/cris/cris.h: Remove FIXME.
16506 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
16508 * doc/sourcebuild.texi (Front End Directory): No more double-colon
16511 2006-02-21 Jakub Jelinek <jakub@redhat.com>
16513 PR middle-end/26379
16514 * combine.c (simplify_shift_const_1): Disable nested shifts
16515 optimization for vector shifts.
16517 2006-02-20 Roger Sayle <roger@eyesopen.com>
16519 PR tree-optimization/26361
16520 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
16521 of unsigned integer types.
16523 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
16525 * tree-chrec.c (eq_evolutions_p): New.
16526 * tree-chrec.h (eq_evolutions_p): Declared.
16527 * tree-data-ref.c: Fix formatting.
16528 (datadep_stats, dependence_stats): New.
16530 (print_direction_vector): New.
16531 (dump_data_dependence_relation): Use print_direction_vector.
16532 (object_analysis, create_data_ref): Handle COMPONENT_REF.
16533 (compute_subscript_distance): Static.
16534 (initialize_data_dependence_relation): Static. Get the number
16535 of loops surrounding the references from the callers, and initialize
16536 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
16537 base_object_differ_p analyzers.
16538 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
16539 compute_overlap_steps_for_affine_1_2,
16540 analyze_subscript_affine_affine): Count the classified dependences.
16541 Print a message when a test failed.
16542 (can_use_analyze_subscript_affine_affine): New.
16543 (analyze_siv_subscript): Compute the data dependences on symbolic
16544 scevs that verify can_use_analyze_subscript_affine_affine.
16545 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
16546 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
16547 Handle symbolic scevs.
16548 (analyze_overlapping_iterations): Let symbolic affine scevs to be
16550 (subscript_dependence_tester): Moved...
16551 (build_classic_dist_vector, build_classic_dir_vector): Don't use
16552 lambda_vector_clear on newly allocated vectors. Get nb_loops from
16553 DDR_SIZE_VECT instead of getting it in parameter.
16554 (subscript_dependence_tester): ... here. Take as a parameter
16555 loop_nest_depth. Call build_classic_dist_vector and
16556 build_classic_dir_vector.
16557 (compute_affine_dependence): Update subscript_dependence_tester
16558 parameters. Update datadep_stats counters. Call
16559 compute_subscript_distance.
16560 (compute_self_dependence): Save the dist and dir vectors. Call
16561 compute_subscript_distance.
16562 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
16563 (compute_all_dependences): Reorder parameters as they were before
16564 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
16565 compute_subscript_distance. Update the use of
16566 compute_affine_dependence and initialize_data_dependence_relation.
16567 (find_data_references_in_loop): Handle COMPONENT_REF.
16568 (compute_data_dependences_for_loop): Initialize dependence_stats.
16569 Don't call build_classic_dist_vector and build_classic_dir_vector.
16570 Update the parameters of initialize_data_dependence_relation and
16571 compute_all_dependences. Print the statistics from datadep_stats.
16572 (analyze_all_data_dependences): Static. Not used until the pass for
16573 checking the data dependences is contributed.
16574 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
16575 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
16576 (initialize_data_dependence_relation, compute_affine_dependence,
16577 analyze_all_data_dependences, compute_subscript_distance): Removed.
16578 (print_direction_vector): New.
16579 * lambda.h (gcd): ... here.
16580 (lambda_vector_gcd): Moved here from gcd_vector.
16581 * lambda-code.c (gcd, gcd_vector): Removed.
16582 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
16583 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
16585 2006-02-20 Diego Novillo <dnovillo@redhat.com>
16587 * ipa-type-escape.c: Tidy some comments and white space.
16588 * tree-ssa-operands.c: Likewise.
16590 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
16593 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
16594 (dump_decl_name): Do not walk the decl tree chains.
16595 * tree-pass.h (TDF_CHAIN): Remove.
16597 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
16599 * Makefile.in (C): Remove
16601 (.PHONY): Remove C and PROTO
16603 2006-02-20 Roger Sayle <roger@eyesopen.com>
16605 PR middle-end/26236
16606 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
16607 deprecated CHAR_TYPE tree code.
16609 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16611 * configure.ac (target_list): Add install-info, dvi, html.
16612 * configure: Regenerate.
16614 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
16615 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
16616 treelang/Make-lang.in: Do not use double-colon rules.
16618 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
16620 * tree.h (struct tree_memory_tag): Add is_used_alone member.
16621 (TMT_USED_ALONE): New macro.
16622 * tree-pass.h (PROP_tmt_usage): New property.
16623 (TODO_update_tmt_usage): New todo.
16624 * tree-ssa-alias.c (updating_used_alone): New variable.
16625 (recalculate_used_alone): New function.
16626 (compute_may_aliases): Set updating_used_alone, call
16627 recalculate_used_alone.
16628 * tree-sra.c (pass_sra): Note that this pass destroys
16629 PROP_tmt_usage, and add TODO_update_tmt_usage.
16630 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
16631 * tree-flow.h (updating_used_alone): Prototype.
16632 (recalculate_used_alone): Ditto.
16633 * passes.c (execute_todo): Add code to set updating_used_alone,
16634 and call recalculate.
16635 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
16636 for clobber if used alone, and add assert to verify used_alone
16639 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
16641 * config/s390/s390.c (legitimize_pic_address): Assertions checking
16642 for non tls symbols added.
16643 (legitimize_address): Do nothing for PLUS expressions if one of the
16644 addends is a tls symbol reference.
16646 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
16650 * Makefile.in (LDFLAGS): Define from autoconf substitution.
16652 * Makefile.in (BOOTSTRAPPING): New.
16653 (quickstrap): New definition if BOOTSTRAPPING=yes.
16655 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
16656 * configure.ac: Substitute all_selected_languages with the languages
16657 that were configured. For all the other variables except
16658 lang_specs_files, include all the languages in the tree.
16659 * configure: Regenerate.
16661 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
16662 if there is one. Run the commands to run fixincludes in the same
16665 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
16666 * doc/install.texi: Document exact conventions for searching target tools.
16667 Document --with-build-time-tools. Document toplevel bootstrap. Document
16668 something more about building an Ada cross-compiler. Don't list GNU Make
16669 requirements which affect all platforms.
16671 2006-02-19 Roger Sayle <roger@eyesopen.com>
16673 PR middle-end/19543
16674 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
16675 only equivalent if the have both the same mode and precision.
16677 2006-02-20 Ben Elliston <bje@au.ibm.com>
16679 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
16681 2006-02-19 Roger Sayle <roger@eyesopen.com>
16682 Steven Bosscher <stevenb.gcc@gmail.com>
16684 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
16685 constant pool references to identify stack mode constants.
16686 * rtlanal.c (constant_pool_constant_p): New predicate to check
16687 whether operand is a floating point constant in the pool.
16688 * rtl.h (constant_pool_constant_p): Prototype here.
16689 * loop.c (scan_loop): Avoid hoisting constants from the constant
16690 pool on STACK_REGS targets.
16691 (load_mems): Likewise.
16692 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
16693 loads into x87 registers expensive in terms of register pressure.
16695 2006-02-19 Roger Sayle <roger@eyesopen.com>
16697 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
16698 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
16700 2006-02-19 David Edelsohn <edelsohn@gnu.org>
16702 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
16703 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
16705 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
16707 * doc/invoke.texi: Document -fipa-pta.
16708 * common.opt: Add ipa-pta option.
16709 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
16710 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
16711 (do_ds_constraint): Ditto.
16712 (get_constraint_for): Only add to referenced_vars if
16713 referenced_vars exists.
16714 (insert_into_field_list): Rewrite to do this unsorted.
16715 (insert_into_field_list_sorted): Rename old insert_into_field_list
16717 (create_function_info_for): Use insert_into_field_list_sorted.
16718 (create_variable_info_for): Rewrite so it uses unsorted version,
16719 since the field list is sorted.
16720 (intra_create_variable_infos): Only add to referenced_vars if
16721 referenced_vars exists.
16722 (ipa_pta_execute): Init heapvars, and delete when done.
16723 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
16725 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16727 * doc/install.texi: Add missing `@samp'.
16729 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16731 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
16734 2006-02-18 Mark Wielaard <mark@klomp.org>
16736 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
16737 who added new 4.1 features, bug fixes and integration support.
16739 2006-02-18 David Edelsohn <edelsohn@gnu.org>
16742 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
16743 MEM for ABI_V4 pic.
16745 2006-02-18 Richard Sandiford <richard@codesourcery.com>
16747 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
16748 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
16749 (copy_insn_1): Likewise. Don't copy each field individually.
16751 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
16753 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
16754 * rtl.c (rtx_size): Rename variable to...
16755 (rtx_code_size): ...this.
16756 (rtx_size): New function.
16757 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
16758 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
16760 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
16761 * rtl.h (rtx_code_size): New variable.
16762 (rtx_size): Change from a variable to a function.
16763 (RTX_SIZE): Rename to...
16764 (RTX_CODE_SIZE): ...this.
16767 PR tree-optimization/17106
16768 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
16769 (Anchored Addresses): New section.
16770 * doc/invoke.texi (-fsection-anchors): Document.
16771 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
16772 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
16773 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
16774 * hooks.c (hook_bool_mode_rtx_false): New function.
16775 * hooks.h (hook_bool_mode_rtx_false): Declare.
16776 * gengtype.c (create_optional_field): New function.
16777 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
16778 SYMBOL_REF_IN_BLOCK_P is true.
16779 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
16780 (min_anchor_offset, max_anchor_offset): Likewise.
16781 (use_anchors_for_symbol_p): New hook.
16782 * toplev.c (compile_file): Call output_object_blocks.
16783 (target_supports_section_anchors_p): New function.
16784 (process_options): Check that -fsection-anchors is only used on
16785 targets that support it and when -funit-at-a-time is in effect.
16786 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
16787 if the decl doesn't have one.
16788 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
16789 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
16790 of force_const_mem through use_anchored_address.
16791 (expand_expr_constant): New function.
16792 (expand_expr_addr_expr_1): Call it. Use the same modifier when
16793 calling expand_expr for INDIRECT_REF.
16794 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
16795 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
16796 * expr.h (use_anchored_address): Declare.
16797 * loop-unroll.c: Don't declare rtx vectors here.
16798 * explow.c: Include output.h.
16799 (validize_mem): Call use_anchored_address.
16800 (use_anchored_address): New function.
16801 * common.opt (-fsection-anchors): New switch.
16802 * varasm.c (object_block_htab, anchor_labelno): New variables.
16803 (hash_section, object_block_entry_eq, object_block_entry_hash)
16804 (use_object_blocks_p, get_block_for_section, create_block_symbol)
16805 (use_blocks_for_decl_p, change_symbol_section): New functions.
16806 (get_variable_section): New function, split out from assemble_variable.
16807 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
16808 use_blocks_for_decl_p say so. Use change_symbol_section if the
16809 symbol has already been created.
16810 (assemble_variable_contents): New function, split out from...
16811 (assemble_variable): ...here. Don't output any code for
16812 block symbols; just pass them to place_block_symbol.
16813 Use get_variable_section and assemble_variable_contents.
16814 (get_constant_alignment, get_constant_section, get_constant_size): New
16815 functions, split from output_constant_def_contents.
16816 (build_constant_desc): Create a block symbol if use_object_blocks_p
16817 says so. Or into SYMBOL_REF_FLAGS.
16818 (assemble_constant_contents): New function, split from...
16819 (output_constant_def_contents): ...here. Don't output any code
16820 for block symbols; just pass them to place_section_symbol.
16821 Use get_constant_section and get_constant_alignment.
16822 (force_const_mem): Create a block symbol if use_object_blocks_p and
16823 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
16824 (output_constant_pool_1): Add an explicit alignment argument.
16825 Don't switch sections here.
16826 (output_constant_pool): Adjust call to output_constant_pool_1.
16827 Switch sections here instead. Don't output anything for block symbols;
16828 just pass them to place_block_symbol.
16829 (init_varasm_once): Initialize object_block_htab.
16830 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
16831 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
16832 (place_block_symbol, get_section_anchor, output_object_block)
16833 (output_object_block_htab, output_object_blocks): New functions.
16834 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
16835 (TARGET_ASM_OUT): Include it.
16836 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
16837 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
16838 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
16839 (TARGET_INITIALIZER): Include them.
16840 * rtl.c (rtl_check_failed_block_symbol): New function.
16841 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
16842 (block_symbol, object_block): New structures.
16843 (rtx_def): Add a block_symbol field to the union.
16844 (BLOCK_SYMBOL_CHECK): New macro.
16845 (rtl_check_failed_block_symbol): Declare.
16846 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
16847 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
16848 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
16849 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
16850 * output.h (output_section_symbols): Declare.
16851 (object_block): Name structure.
16852 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
16853 (default_use_anchors_for_symbol_p): Declare.
16854 * Makefile.in (RTL_BASE_H): Add vec.h.
16855 (explow.o): Depend on output.h.
16856 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
16857 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
16858 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
16859 (rs6000_use_blocks_for_constant_p): New function.
16861 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16863 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
16865 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
16868 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
16871 2006-02-18 Diego Novillo <dnovillo@redhat.com>
16873 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
16877 2006-02-18 Jakub Jelinek <jakub@redhat.com>
16879 PR middle-end/26334
16880 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
16881 instead of DECL_REGISTER.
16883 2006-02-18 Olivier Hainque <hainque@adacore.com>
16886 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
16888 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
16891 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
16892 * opth-gen.awk: Handle Var and InverseMask together.
16893 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
16894 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
16895 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
16896 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
16898 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16899 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16900 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
16901 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16902 LINUX_DYNAMIC_LINKER): Define.
16903 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
16904 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
16906 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16907 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
16908 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16909 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16910 (TARGET_C99_FUNCTIONS): Don't define.
16911 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
16912 GLIBC_DYNAMIC_LINKER.
16913 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
16914 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
16915 GLIBC_DYNAMIC_LINKER64): Define.
16916 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16917 LINUX_DYNAMIC_LINKER64.
16918 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16919 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16920 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
16921 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16922 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16923 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16924 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
16925 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
16926 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
16927 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
16928 and LINUX_DYNAMIC_LINKER32.
16929 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16930 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16931 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
16932 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16933 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
16935 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
16936 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
16937 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
16938 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16939 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16940 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
16941 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
16942 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
16943 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16944 LINUX_DYNAMIC_LINKER): Define.
16945 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
16946 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
16947 GLIBC_DYNAMIC_LINKER64): Define.
16948 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
16949 LINUX_DYNAMIC_LINKER64.
16950 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16951 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16952 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
16953 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
16954 LINUX_DYNAMIC_LINKER): Define.
16955 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16956 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16957 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
16958 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
16959 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
16960 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
16961 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
16962 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
16963 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
16964 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
16965 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
16966 * doc/invoke.texi (-muclibc): Remove caveat about supported
16969 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
16971 * doc/cpp.texi (__TIMESTAMP__): Document.
16973 2006-02-17 Roger Sayle <roger@eyesopen.com>
16975 PR middle-end/25600
16976 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
16977 C is one less than the width of X (and related transformations).
16978 * simplify-rtx.c (simplify_unary_operation_1): Transform
16979 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
16980 depending on STORE_FLAG_VALUE, were C is one less then the
16983 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
16985 Fix PR tree-optimization/26341
16986 * tree-ssa-operands.c (add_virtual_operand): Remove assert
16987 about NAME_MEMORY_TAG's.
16989 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16992 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
16993 with hardware float support, and software float support. Add fcpy
16994 alternative to hardware patterns. Add alternatives to copy between
16995 general and floating-point registers to the 32-bit pattern.
16996 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
16997 secondary reload to load a QI or HI mode constant into a floating
16999 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
17000 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
17002 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
17005 * config/rs6000/darwin.md (load_macho_picbase_si): Add
17007 (load_macho_picbase_di): Likewise.
17009 2006-02-16 Jeff Law <law@redhat.com>
17011 * tree-vrp.c (set_value_range_to_nonnegative): New function.
17012 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
17013 (ssa_name_nonzero_p): Likewise.
17014 (get_value_range): Return NULL if VRP is not running.
17015 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
17016 VRP routines do not discover a range.
17017 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
17018 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
17019 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
17020 (tree_expr_nonnegative_p): Similarly.
17021 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
17022 (restore_nonzero_vars_to_original_value): Remove.
17023 (unsafe_associative_fp_binop): Remove.
17024 (tree_ssa_dominator_optimize): Remove initialization and
17025 finalization of nonzero_vars and nonzero_vars_stack.
17026 (dom_opt_initialize_block): No longer push marker on
17027 nonzero_vars_stack.
17028 (dom_opt_finalize_block): No longer call
17029 restore_nonzero_vars_to_original_value.
17030 (record_equivalences_from_phis): No longer look for
17031 nonzero PHI arguments.
17032 (cprop_into_successor_phis): No longer propagate nonzero
17033 property into PHI arguments. Lose unused argument. Caller
17035 (record_equivalences_from_stmt): No longer record nonzero
17036 values for SSA_NAMEs.
17037 (lookup_avail_expr): No longer use nonzero_vars.
17039 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
17040 for sizetype when sizetype is unsigned.
17042 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
17044 PR rtl-optimization/25603
17045 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
17046 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
17047 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
17048 with new meaning of SETS.
17050 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
17055 * config/linux.opt: New file.
17056 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
17057 LINUX_DYNAMIC_LINKER): Define.
17058 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
17059 * config.gcc (*-*-linux*): Define extra_options.
17060 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
17061 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
17062 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
17063 GLIBC_DYNAMIC_LINKER.
17064 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
17065 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17066 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
17067 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
17068 * doc/invoke.texi (GNU/Linux Options): New section.
17070 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
17072 * config/sparc/sparc.md (setjmp): Rewrite.
17073 (setjmp_32): Delete.
17074 (setjmp_64): Likewise.
17076 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
17078 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
17081 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17083 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
17086 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
17088 PR rtl-optimization/26296
17089 * Makefile.in (loop-invariant.c): Add except.h dependency.
17090 * loop-invariant.c: Include except.h.
17091 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
17093 2005-02-16 Paul Brook <paul@codesourcery.com>
17095 * reload1.c (emit_reload_insns): Invalidate dead input registers used
17098 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
17100 PR rtl-optimization/25636
17101 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
17102 when deciding whether an insn is an initializing insn.
17104 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
17106 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
17107 (tree_code_size): Ditto.
17108 * tree.h (struct tree_memory_tag): Remove parent_var.
17109 (struct tree_struct_field_tag): New.
17112 (union tree_node): Add sft member.
17113 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
17115 (create_sft): Add size and offset argument, set SFT_OFFSET and
17117 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
17118 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
17119 * tree-flow-inline.h (get_subvar_at): Update for
17120 SFT_OFFSET/SFT_SIZE.
17121 (var_can_have_subvars): Ditto.
17122 (overlap_subvar): Ditto.
17123 * print-tree.c (print_node): Print out interesting things for
17125 * tree-flow.h (struct subvar): Remove offset and size members.
17126 * tree-ssa-operands.c (get_expr_operands): Update for
17127 get_indirect_ref_operands changes.
17128 (get_indirect_ref_operands): Call add_virtual_operand instead of
17129 add_stmt_operand. Only recurse on base var if requested.
17130 (access_can_touch_variable): New function.
17131 (add_stmt_operand): Split virtual operand handling into ...
17132 (add_virtual_operand): Here. Add offset, size, and for_clobber
17133 arguments. Prune alias sets.
17134 (add_call_clobber_ops): Call add_virtual_operand.
17136 2006-02-15 Jakub Jelinek <jakub@redhat.com>
17138 PR middle-end/26300
17139 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
17141 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
17142 than TREE_CODE as index into omp_clause_num_ops array.
17144 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
17146 PR rtl-optimization/26184
17147 * modulo-sched.c (generate_reg_moves): Free bitmap vector
17149 * modulo-sched.c (sms_schedule): Free g_arr pointer.
17150 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
17151 must_precede, must_follow and tobe_scheduled.
17154 * opts.c (common_handle_option): Free new_option pointer.
17155 * df-core.c (df_analyze): Free postorder pointer.
17157 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
17159 * Makefile.in: Fix the examples about the use of stamps
17161 2006-02-15 Michael Matz <matz@suse.de>
17163 PR middle-end/22275
17165 * stor-layout.c (layout_decl): Zero-width bitfields aren't
17166 influenced by maximum_field_alignment or DECL_PACKED.
17167 (update_alignment_for_field): Ditto.
17168 (place_field): Ditto.
17169 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
17172 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
17174 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
17175 (debug_flow_info): Pass it.
17176 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
17177 * bb-reorder.c (reorder_basic_blocks): Likewise.
17178 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
17179 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
17180 * flow.c (life_analysis, recompute_reg_usage): Likewise.
17181 * gcse.c (gcse_main, bypass_jumps): Likewise.
17182 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
17183 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
17184 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
17185 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
17186 * rtl.h (dump_flow_info): Adjust prototype.
17187 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
17188 * var-tracking.c (variable_tracking_main): Likewise.
17189 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
17190 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
17193 2006-02-15 Marcin Dalecki <martin@dalecki.de>
17195 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
17198 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17200 PR tree-optimization/26209
17201 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
17202 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
17204 * tree-cfg.c (replace_uses_by): Do not alter cfg.
17206 2006-02-14 Roger Sayle <roger@eyesopen.com>
17208 PR middle-end/23670
17209 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
17210 (X,Y) and the corresponding symmetry related transformations.
17211 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
17212 (X,Y) and its symmetry related transformations.
17214 2006-02-14 Roger Sayle <roger@eyesopen.com>
17216 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
17219 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
17221 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
17223 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17226 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
17227 support COMDAT group.
17228 * configure: Regenerate.
17230 2006-02-14 Roger Sayle <roger@eyesopen.com>
17232 PR middle-end/26279
17233 PR middle-end/26280
17234 PR middle-end/26283
17235 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
17237 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
17239 Fix PR tree-optimization/26260
17241 * doc/invoke.texi (max-fields-for-field-sensitive): Document
17243 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
17244 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
17245 * tree-ssa-structalias.c (create_variable_info_for): Use
17246 MAX_FIELDS_FOR_FIELD_SENSITIVE.
17248 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
17250 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
17252 * tree-ssa-loop-niter.c (number_of_iterations_ne,
17253 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
17254 of the ending condition.
17255 * tree-ssa-loop-manip.c: Include params.h.
17256 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
17257 tree_unroll_loop): New functions.
17258 * tree-pass.h (pass_loop_prefetch): Declare.
17259 * loop.c (rest_of_handle_loop_optimize): Test for
17260 -fprefetch-loop-arrays-rtl.
17261 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
17262 * timevar.def (TV_TREE_PREFETCH): New timevar.
17263 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
17264 pass_loop_prefetch): New.
17265 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
17266 (cleanup_tree_cfg_loop): Call scev_reset.
17267 * common.opt (fprefetch-loop-arrays-rtl): Add.
17268 * tree-ssa-loop-prefetch.c: New file.
17269 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
17270 (new_temp_expr_table): Initialize expr_vars.
17271 (free_temp_expr_table): Cleanup expr_vars.
17272 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
17273 expressions from being merged into one.
17274 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
17275 (struct tree_niter_desc): Add control, bound and cmp fields.
17276 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
17278 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
17279 (tree-cfgcleanup.o): Add SCEV_H dependency.
17280 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
17281 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
17283 2006-02-14 Richard Guenther <rguenther@suse.de>
17285 PR tree-optimization/26258
17286 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
17287 in PHI argument processing.
17289 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
17291 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
17292 new expression in the requested machine mode.
17294 2006-02-13 Roger Sayle <roger@eyesopen.com>
17296 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
17297 directly, instead let do_compare_rtx_and_jump handle this for us.
17298 * expr.c (expand_expr_real_1): Likewise.
17299 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
17300 before do_jump_by_parts_greater.
17301 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
17302 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
17304 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17306 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
17308 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17310 PR rtl-optimization/26235
17311 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
17312 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
17315 2006-02-13 Jeff Law <law@redhat.com>
17317 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
17320 2006-02-13 Jakub Jelinek <jakub@redhat.com>
17322 PR middle-end/26092
17323 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
17324 twice if decl is a builtin. When trying again, call get_callee_fndecl
17325 first to verify it is still a builtin.
17327 2006-02-13 Geoffrey Keating <geoffk@apple.com>
17329 * dwarf2out.c (base_type_die): Don't add AT_name here.
17330 (subrange_type_die): Don't add AT_name here.
17331 (modified_type_die): Rearrange code flow. Do add AT_name here.
17333 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
17335 PR rtl-optimization/26247
17336 PR rtl-optimization/26248
17337 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
17339 2006-02-13 Richard Sandiford <richard@codesourcery.com>
17341 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
17342 * config/fixtfdi.c: Likewise.
17343 * config/fixunstfdi.c: Likewise.
17344 * config/floatditf.c: Likewise.
17346 2006-02-13 Roger Sayle <roger@eyesopen.com>
17348 PR middle-end/24427
17349 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
17350 into (X,C2) if C1 is a subset of the bits of C2. Transform
17351 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
17353 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
17355 2006-02-13 Josh Conner <jconner@apple.com>
17358 * varasm.c (function_section): Check for section name before
17359 calling select_section on targets that define
17360 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
17361 unlikely_text_section instead of hot_function_section if
17362 first_function_block_is_cold.
17364 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
17366 PR middle-end/25335
17367 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
17369 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17371 PR rtl-optimization/26222
17372 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
17373 after tree->rtl expansion.
17374 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
17375 before passing it to emit_move_insn.
17377 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
17379 * doc/invoke.texi (-Write-strings): Document that it is enabled by
17381 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
17382 Clarify documentation.
17383 * c-common.h (warn_write_strings): Remove.
17384 * c-common.c (warn_write_strings): Likewise.
17385 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
17388 2006-02-12 Roger Sayle <roger@eyesopen.com>
17390 PR middle-end/25724
17391 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
17392 (do_jump_parts_zero_rtx): New function renamed from
17393 do_jump_parts_equality_rtx. Made static. Add a mode argument.
17394 (do_jump_parts_equality_rtx): New function split out from
17395 do_jump_parts_equality. Old implementation renamed as above.
17396 Call do_jump_parts_zero_rtx if either operand is zero.
17397 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
17398 do all of the heavy lifting.
17399 (do_compare_rtx_and_jump): Handle multi-word comparisons by
17400 calling either do_jump_by_parts_greater_rtx or
17401 do_jump_by_parts_equality_rtx.
17402 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
17403 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
17404 moved to do_compare_rtx_and_jump, call it directly.
17405 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
17406 mode argument. Call do_compare_rtx_and_jump.
17407 (emit_case_nodes): Update calls to do_jump_if_equal.
17409 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17411 PR rtl-optimization/26225
17412 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
17414 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
17416 PR rtl-optimization/26232
17417 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
17419 2006-02-11 Jason Merrill <jason@redhat.com>
17422 * tree-inline.c (declare_return_variable): Just don't use the
17423 modify target if it's a gimple complex reg and the return slot
17426 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17428 * doc/contrib.texi: Update my entry.
17430 2006-02-10 Geoffrey Keating <geoffk@apple.com>
17432 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
17434 2006-02-10 Diego Novillo <dnovillo@redhat.com>
17436 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
17439 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
17441 * doc/invoke.texi (-floop-optimize2): Removed.
17442 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
17443 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
17444 Test flag_branch_on_count_reg only if HAVE_doloop_end.
17445 * common.opt (floop-optimize2): Removed.
17446 (fmove-loop-invariants): Enabled by default.
17448 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
17450 * tree-if-conv.c (combine_blocks): Free the result of
17451 get_loop_exit_edges.
17453 2006-02-10 Jeff Law <law@redhat.com>
17455 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
17457 PR tree-optimization/26213
17458 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
17459 loop trying to follow SSA_NAME_VALUE chains.
17461 2006-02-10 Richard Guenther <rguenther@suse.de>
17463 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
17464 deal with structures that end in implicitly variable sized arrays.
17466 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17468 PR rtl-optimization/24762
17469 * df-scan.c (df_bb_refs_record): Record correct registers defined on
17472 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
17474 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
17475 (struct ivopts_data): Add regs_used field.
17476 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
17477 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
17478 instead of loop_data->regs_used;
17479 (free_loop_data): Do not free aux fields for loops.
17480 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
17481 and tree_ssa_iv_optimize_finalize.
17483 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
17485 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
17487 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17490 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
17491 computing the effective result type.
17493 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
17495 PR inline-asm/16194
17496 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
17497 (tree_overlaps_hard_reg_set): Declare.
17498 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
17499 type and signature to match function type expected by walk_tree.
17500 (tree_overlaps_hard_reg_set): New function.
17501 (decl_conflicts_with_clobbers_p): Rename to:
17502 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
17503 Use tree_overlaps_hard_reg_set. Changed caller.
17504 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
17505 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
17506 * cris.c (cris_md_asm_clobbers): Likewise.
17508 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
17510 * reload1.c (emit_input_reload_insns): Delete code that tries to
17511 inherit using find_equiv_reg.
17513 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
17515 * c-common.h (flag_const_strings): Don't declare.
17516 * c-common.c (flag_const_strings): Remove.
17517 * c.opt (fconst_strings): Remove.
17518 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
17519 <OPT_Wwrite_strings>: Don't set flag_const_strings.
17520 (c_common_init_options): Don't set flag_const_strings.
17521 * doc/invoke.texi (-fno-const-strings): Remove documentation.
17523 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
17525 * arm.md (tlobits_cbranch): New pattern.
17526 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
17527 testing a single bit.
17529 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17532 * tree-ssa-pre.c (create_component_ref_by_pieces):
17533 Handle RETURN_DECL like VAR_DECL.
17535 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17537 PR middle-end/26134
17538 * fold-const.c (fold_indirect_ref_1): Fold
17539 "*(foo *)&complexfoo" to "__real__ complexfoo"
17540 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
17542 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
17544 * tree-flow-inline.h (var_can_have_subvars):
17545 Volatile variables should not have subvariables.
17547 2006-02-09 Diego Novillo <dnovillo@redhat.com>
17550 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
17551 multiplying unsigned values.
17554 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
17556 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
17558 2006-02-08 Jason Merrill <jason@redhat.com>
17561 * tree.def: Elaborate on difference from MODIFY_EXPR.
17562 * doc/c-tree.texi (INIT_EXPR): Likewise.
17563 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
17564 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
17565 (gimplify_target_expr): Likewise.
17566 (gimplify_cond_expr): Remove target handling.
17567 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
17568 (gimplify_expr): Clobber it here.
17569 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
17570 Do return slot optimization if we have an INIT_EXPR.
17573 * tree-inline.c (declare_return_variable): Also clear
17574 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
17577 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
17579 PR middle-end/22439
17580 * gimplify.c (gimplify_one_sizepos): Fix typo.
17582 2006-02-08 Jeff Law <law@redhat.com>
17584 PR tree-optimization/21417
17585 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
17586 across a backedge if the control statement at the end of the
17587 block is data dependent on other statements in the same block.
17588 (record_temporary_equivalences_from_stmts): Remove over-conservative
17589 test for threading across backedges.
17591 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
17592 control statement, handle all three special cases in the same
17593 manner as they all have the same desired solution. No longer
17594 special case edge flag updating when the post dominator is
17597 2006-02-08 Roger Sayle <roger@eyesopen.com>
17599 * tree.def (CHAR_TYPE): Remove.
17600 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
17601 * dwarf2out.c (base_type_die, is_base_type): Likewise.
17602 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
17603 (gen_string_type_die): Delete unreachable function.
17605 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
17606 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
17607 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
17608 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
17609 * builtins.c (type_to_class): Likewise.
17610 * fold-const.c (fold_convert, build_range_check,
17611 merge_ranges): Likewise.
17612 * expr.c (count_type_elements): Likewise.
17613 * c-pretty-print.c (pp_c_type_specifier): Likewise.
17614 * stor-layout.c (layout_type): Likewise.
17615 * ipa-type-escape.c (type_to_consider): Likewise.
17616 * gimplify.c (omp_firstprivatize_type_sizes,
17617 gimplify_type_sizes): Likewise.
17618 * explow.c (promote_mode): Likewise.
17619 * tree-sra.c (is_sra_scalar_type): Likewise.
17620 * varasm.c (output_constant): Likewise.
17621 * tree-inline.c (remap_type_1): Likewise.
17622 * convert.c (convert_to_pointer, convert_to_real,
17623 convert_to_integer, convert_to_complex): Likewise.
17625 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
17627 * df-scan.c (df_def_record_1): A set destination may
17628 be a parallel regardless of mode.
17630 2006-02-08 Roger Sayle <roger@eyesopen.com>
17633 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
17634 * config/mips/_tilib.c: Remove.
17635 * config/fixtfdi.c: New libgcc source file.
17636 * config/fixunstfdi.c: New source file.
17637 * config/floatditf.c: New source file.
17638 * config/floatunditf.c: New souce file.
17639 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
17640 files above instead of config/mips/_tilib.c.
17641 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
17643 2006-02-08 Jeff Law <law@redhat.com>
17645 PR tree-optimization/26169
17646 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
17649 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
17651 * df.h (DF_REG_SIZE): Return the length of the initialized
17654 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
17656 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
17657 __muldf3): Return a correctly signed zero.
17659 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
17661 * passes.c (register_one_dump_file): Accept the current properties
17662 instead of pass number. Adjust call to dump_register. Remove
17664 (register_dump_files): Now a wrapper around...
17665 (register_dump_files_1): ... this one. Do not modify the pass
17667 (next_pass_1): Cosmetic fix.
17668 (execute_todo): Keep second parameter only. Use curr_properties
17669 instead of fetching it from the pass structure. Check and set
17671 (execute_one_pass): Handle TODO_set_props. Use curr_properties
17672 instead of fetching it from the pass structure. Fix calls to
17673 execute_todo. Update curr_properties and initialize .vcg RTL dump
17674 after running the pass. Reset last_verified.
17675 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
17677 (FIRST_AUTO_NUMBERED_DUMP): New.
17678 (dump_register): Remove "num" parameter, assign it within the
17680 (get_dump_file_name): Modify template for dumps.
17681 * tree-dump.h (dump_register): Adjust prototype.
17682 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
17683 (PROP_trees): Add PROP_gimple_lomp.
17684 (TODO_set_props): New.
17685 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
17686 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
17687 * cfgexpand.c (pass_expand): Destroy PROP_trees.
17689 2006-02-08 Jakub Jelinek <jakub@redhat.com>
17691 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
17692 (sparc64-*-linux*): Likewise.
17693 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
17694 * config/sparc/t-linux: New file.
17695 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
17696 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
17697 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
17698 -m32 -mlong-double-128.
17700 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
17701 * config/alpha/t-linux: New file.
17702 * config/alpha/libgcc-alpha-ldbl.ver: New file.
17704 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
17705 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
17706 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
17707 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
17708 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
17709 (CPP_ARCH32_SPEC): Remove.
17711 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
17713 PR tree-optimization/26145
17714 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
17717 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17720 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
17721 >= 240000 when generating code for SOM runtime.
17722 (output_indirect_call): Don't use "b,l" instruction for indirect calls
17723 to $$dyncall when generating code for SOM runtime..
17725 2006-02-07 Dirk Mueller <dmueller@suse.com>
17728 * doc/invoke.texi (-Wsequence-point): Update documentation
17729 that -Wsequence-point is implemented for C++ as well.
17731 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17733 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
17734 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
17735 (LIB_SPEC): Likewise.
17736 * doc/invoke.texi (SPARC options): Document -pthread.
17738 2006-02-07 Geoffrey Keating <geoffk@apple.com>
17740 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
17743 2006-02-07 Roger Sayle <roger@eyesopen.com>
17745 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
17746 Correct comment describing BOOLEAN_TYPE.
17748 2006-02-07 Dirk Mueller <dmueller@suse.com>
17750 * c.opt: C++ frontend supports -Wdiv-by-zero.
17751 * c-opts.c (c_common_handle_option): Remove dead case.
17753 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17755 * configure.ac (TLS assembler check): Do not enable TLS by
17756 default on SPARC/Solaris before version 10.
17757 * configure: Regenerate.
17759 2006-02-07 David Edelsohn <edelsohn@gnu.org>
17761 * doc/invoke.texi (xl-compat): Document conversion and support
17764 2006-02-07 Jeff Law <law@redhat.com>
17766 * tree-vrp.c (find_conditional_asserts): Update comments.
17767 (simplify_stmt_for_jump_threading): New.
17768 (identify_jump_threads, finalize_jump_threads): New.
17769 (vrp_finalize): Call identify_jump_threads.
17770 (execute_vrp): Call finalize_jump_threads.
17771 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
17772 (vrp_element, vrp_data, vrp_element_p): Remove.
17773 (vrp_hash_elt, vrp_variables_stack): Remove.
17774 (vrp_hash, vrp_eq, record_range): Remove.
17775 (simplify_cond_and_lookup_avail_expr): Remove.
17776 (extract_range_from_cond): Remove.
17777 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
17778 (simplify_stmt_for_jump_threading): New.
17779 (dom_thread_across_edge): New wrapper.
17780 (tree_ssa_dominator_optimize): No longer initialize or
17781 finalize any of the VRP datastructures. Remove iteration
17782 step and simplify as a result of removal of iteration step.
17783 (pass_dominator): Perform a cfg cleanup after DOM.
17784 (dom_opt_finalize_block): Use the new common routines
17785 for threading jumps. Simplify stack management slightly.
17786 No longer need to unwind VRP state.
17787 (record_equivalences_from_incoming_edge): No longer record
17789 (eliminate_redundant_computations): No longer call
17790 simplify_cond_and_lookup_avail_expr.
17791 * tree-flow.h (potentially_threadable_block): Prototype.
17792 (thread_across_edge): Likewise.
17793 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
17794 (tree-ssa-threadedge.o): Add dependencies.
17795 * tree-ssa-threadedge.c: New file.
17796 * passes.c (init_optimization_passes): Merge PHIs before
17797 calling VRP. Run VRP again late in the SSA optimization pipeline.
17799 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
17801 * df-core.c (df_set_blocks): Do not dereference function pointers.
17802 (df_finish1): Likewise.
17803 (df_hybrid_search_forward): Likewise.
17804 (df_hybrid_search_backward): Likewise.
17805 (df_iterative_dataflow): Likewise.
17806 (df_analyze_problem): Likewise.
17807 (df_compact_blocks): Likewise.
17808 (df_dump): Likewise.
17809 * df-scan.c (df_rescan_blocks): Likewise.
17810 (df_record_entry_block_defs): Likewise.
17812 * genconditions.c (write_conditions): Guard the definition of
17813 'insn_conditions' with the check on GCC version.
17814 (write_writer): Guard the traversal 'insn_conditions' with
17815 the check on GCC version.
17817 2006-02-07 Richard Guenther <rguenther@suse.de>
17821 2006-01-30 Richard Guenther <rguenther@suse.de>
17823 * gimplify.c (gimplify_target_expr): Handle easy cases
17824 without creating a temporary.
17826 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
17828 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
17829 use of float in probability computations. Use edge probabilities
17830 in place of statically computed probabilities.
17831 (min_spec_prob): New static variable.
17832 (schedule_insns): Initialize it.
17833 (GET_SRC_PROB): Removed.
17834 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
17836 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
17839 * config/ia64/unwind-ia64.c: Revert last change.
17840 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
17841 (INCOMING_FRAME_SP_OFFSET): Define.
17843 2006-02-06 Roger Sayle <roger@eyesopen.com>
17845 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
17847 2006-02-07 Ben Elliston <bje@au.ibm.com>
17849 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
17850 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
17851 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
17852 (ix86_return_in_memory): Handle TDmode.
17853 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
17854 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
17856 2006-02-06 Richard Sandiford <richard@codesourcery.com>
17858 * reorg.c (dbr_schedule): Use dump_file instead of file.
17860 2006-02-06 Steve Ellcey <sje@cup.hp.com>
17863 * config/ia64/predicates.md (extr_len_operand): New predicate.
17864 * config/ia64/ia64.md (extv): Tighten constraints.
17866 (*tbit_and_2): Ditto.
17867 (*tbit_and_3): Ditto.
17868 (*tbit_or_2): Ditto.
17869 (*tbit_or_3): Ditto.
17870 (*bit_zero): Ditto.
17873 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
17876 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
17878 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
17880 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
17881 loop_optimizer_init and loop_optimizer_finalize
17882 * tree-ssa-sink.c (execute_sink_code): Ditto.
17883 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17884 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
17885 tree_ssa_loop_done): Ditto.
17886 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
17887 * sched-ebb.c: Include output.h.
17888 (schedule_ebbs): Do not use dump argument.
17889 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
17890 * loop.c (loop_dump_stream): Removed.
17891 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
17893 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
17894 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
17895 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
17896 loop_iterations, strength_reduce, record_biv, record_giv,
17897 final_giv_value, check_final_value, check_ext_dependent_givs,
17898 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
17899 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
17900 dump_file instead of loop_dump_stream.
17901 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
17902 argument dump_file.
17903 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
17905 * flow.c (life_analysis, rest_of_handle_life): Ditto.
17906 * haifa-sched.c: Include output.h
17907 (schedule_insns, sched_init): Do not use dump argument.
17908 * mode-switching.c (optimize_mode_switching): Ditto.
17909 * modulo-sched.c (stats_file): Removed.
17910 (print_node_sched_params): Do not call argument dump_file.
17911 (sms_schedule_by_order, loop_canon_p, sms_schedule,
17912 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
17914 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
17916 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
17917 rtl_loop_init, rtl_loop_done): Ditto.
17918 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
17919 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
17921 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
17922 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
17923 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
17924 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
17925 * emit-rtl.c (renumber_insns): Ditto.
17926 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
17927 expand_gimple_basic_block, tree_expand_cfg): Ditto.
17928 * regclass.c (regclass): Ditto.
17929 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
17930 remove_ssa_form, rewrite_out_of_ssa): Ditto.
17931 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
17932 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
17934 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
17935 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
17937 * gcse.c (gcse_file, debug_stderr): Removed.
17938 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
17939 rest_of_handle_gcse): Do not use dump argument.
17940 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
17941 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
17942 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
17943 compute_code_hoist_vbeinout, compute_code_hoist_data,
17944 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
17945 compute_store_table, build_store_vectors, insert_insn_start_bb,
17946 insert_store, remove_reachable_equiv_notes, replace_store_insn,
17947 store_motion): Use dump_file instead of gcse_file.
17948 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
17949 * profile.c (profile_dump_file): Removed.
17950 (branch_prob): Use dump_file instead of profile_dump_file.
17951 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
17953 * tree-ssa-copy.c (dump_copy_of): Ditto.
17954 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
17955 dump file to life_analysis.
17956 * bt-load.c (branch_target_load_optimize): Ditto.
17957 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
17959 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
17960 regclass, dbr_schedule): Declaration changed.
17961 * sched-int.h (sched_init): Declaration changed.
17962 * tree-profile.c (tree_profile_dump_file): Removed.
17963 (tree_profile_hooks): Removed profile_dump_file hook.
17964 * rtl-profile (rtl_profile_dump_file): Removed.
17965 (rtl_profile_hooks): emoved profile_dump_file hook.
17966 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
17968 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
17969 * tree-cfg.c (build_tree_cfg): Ditto.
17970 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
17971 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
17972 Declaration changed.
17973 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
17974 life_analysis and schedule_insns.
17975 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
17977 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
17979 * config/mips/mips.c (mips_reorg): Ditto.
17980 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
17983 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
17985 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17986 (s390_mangle_fundamental_type): New.
17987 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17990 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
17991 (alpha_mangle_fundamental_type): New.
17992 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17995 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17997 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
17999 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
18000 (sparc_mangle_fundamental_type): New.
18002 2006-02-06 Jakub Jelinek <jakub@redhat.com>
18004 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
18005 (s390x-*-linux*): Likewise.
18006 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
18007 * config/s390/t-linux: New file.
18009 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18011 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
18012 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
18014 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
18016 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
18017 (ANTIC_SAFE_LOADS): New macro.
18018 (find_or_generate_expression): Add prototype.
18019 (set_contains_value): Allow null set for sake of not always having
18020 to allocate ANTIC_SAFE_LOADS.
18021 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
18022 Allow COMPONENT_REF too.
18023 (valid_in_set): Allow COMPONENT_REF.
18024 Check ANTIC_SAFE_LOADS too.
18025 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
18026 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
18028 (can_PRE_operation): Add COMPONENT_REF.
18029 (create_component_ref_by_pieces): New function.
18030 (create_expression_by_pieces): Use create_component_ref_by_pieces.
18031 (insert_aux): Move AGGREGATE_TYPE_P check here.
18032 (compute_avail): Set bb local stmt uids.
18033 (pass_pre): Use TODO_update_ssa_only_virtuals.
18035 2006-02-06 Ben Elliston <bje@au.ibm.com>
18037 * configure.ac: Unconditionally disable decimal float by default.
18038 * configure: Regenerate.
18040 2006-02-06 Ben Elliston <bje@au.ibm.com>
18042 * read-rtl.c (read_name): Terminate reading on EOF.
18044 2006-02-06 Ben Elliston <bje@au.ibm.com>
18046 * dfp.c (decimal_real_arithmetic): Change second argument type
18047 from int to enum tree_code. Do not always return true, but now
18048 return result of any call to decimal_do helper functions.
18049 * dfp.h (decimal_real_arithmetic): Update prototype.
18051 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
18053 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
18055 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
18058 * tree-cfg.c (cleanup_dead_labels): Also don't remove
18061 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18063 * tree-vrp.c (cfg_loops): Removed.
18064 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
18065 Use current_loops instead of cfg_loops. Pass flags to
18066 loop_optimizer_init.
18067 * cfgloopmanip.c (fix_loop_structure): Update only available
18069 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
18070 loop_optimizer_init.
18071 * modulo-sched.c (build_loops_structure): Removed.
18072 (sms_schedule): Use loop_optimizer_init.
18073 * loop-init.c (loop_optimizer_init): Use flags to determine
18074 which properties of loops to prepare.
18075 (rtl_loop_init): Pass flags to loop_optimizer_init.
18076 * tree-ssa-sink.c (execute_sink_code): Ditto.
18077 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
18078 * tree-ssa-pre.c (init_pre): Ditto.
18079 * cfgloop.h (LOOPS_NORMAL): New.
18080 (loop_optimizer_init): Declaration changed.
18082 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18084 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
18085 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
18087 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
18089 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
18091 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
18092 * pa/t-pa64: Delete quadlib.c rule.
18093 * pa/x-ada: Revert last change.
18094 * pa/t-pa: Revert last change. Delete quadlib.c rule.
18096 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
18098 PR rtl-optimization/26087
18099 * rtlanal.c (canonicalize_condition): Do not cross basic block
18102 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
18105 * config/ia64/ia64.c: Include debug.h.
18106 (MAX_ARTIFICIAL_LABEL_BYTES): New.
18107 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
18108 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
18109 (process_epilogue, process_set, process_for_unwind_directive):
18110 Output unwind info only if requested. Add CFA info if requested.
18111 Add new arguments as needed. Adjust callers.
18112 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
18114 (DWARF2_FRAME_INFO): Define to zero.
18115 * config/ia64/unwind-ia64.c: Remove code that compensated for
18116 the CFA offset error fixed above.
18117 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
18118 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
18119 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
18120 -funwind-tables and -fexceptions to enable frame info.
18121 (dwarf2out_frame_init): Define initial CFA even if
18122 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
18123 DWARF2_UNWIND_INFO is nonzero, not just defined.
18124 (dwarf2out_frame_finish): Output non-EH call frame info only
18125 if DWARF2_FRAME_INFO is nonzero.
18126 (convert_cfa_to_loc_list,
18127 compute_frame_pointer_to_cfa_displacement): Define even if
18128 unwind info is not supported.
18129 (gen_subprogram_die): Use the above unconditionally. Remove
18130 legacy alternate code.
18131 * toplev.c (compile_file): Compile in call to
18132 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
18133 (lang_dependent_init): Ditto for dwarf2out_frame_init.
18135 2006-02-04 David Edelsohn <edelsohn@gnu.org>
18136 Jakub Jelinek <jakub@redhat.com>
18138 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
18139 IBM extended float format long double as "g" on powerpc*-linux.
18141 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18144 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
18145 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
18147 2006-02-03 Jason Merrill <jason@redhat.com>
18150 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
18152 PR middle-end/25977
18153 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
18154 on the return slot if it's an NRV.
18156 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
18158 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
18159 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
18160 rewrite_use): Do not handle USE_OUTER.
18161 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
18162 add_iv_outer_candidates, may_replace_final_value,
18163 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
18164 (find_interesting_uses_op): Functionality of
18165 find_interesting_uses_outer_or_nonlin moved here.
18166 (find_interesting_uses_outside): Use find_interesting_uses_op.
18168 2006-02-03 Alan Modra <amodra@bigpond.net.au>
18171 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
18173 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
18174 Ulrich Weigand <uweigand@de.ibm.com>
18177 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
18178 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
18179 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
18180 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
18182 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
18183 (s390_rtx_costs): Use the new fields to calculate rtx costs.
18184 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
18185 Define secondary reloads for TFmode moves.
18186 (constant_modes): Add TFmode.
18187 (NR_C_MODES): Set to 8.
18188 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
18190 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
18191 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
18192 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
18193 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
18194 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
18195 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
18196 (FPR mode macro): Add TFmode.
18197 (DSF mode macro): New.
18198 (<de>, <dee> mode attributes): Removed.
18199 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
18200 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
18201 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
18202 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
18203 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
18204 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
18205 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
18206 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
18207 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
18208 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
18209 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
18210 "*negabs<mode>2", "sqrt<mode>2"):
18211 Changed <de> to <xde>. R constraint replaced by <Rf>.
18212 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
18214 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
18215 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
18216 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
18218 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
18219 "extenddftf2", "extendsftf2"): New expanders.
18220 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
18221 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
18222 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
18223 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
18225 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
18226 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
18227 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
18228 __floatditf): Add a GCC_4.1.0 symbol version tag.
18229 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
18232 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
18235 * config/i386/i386.c (ix86_function_ok_for_sibcall):
18236 Use targetm.binds_local_p instead of TREE_PUBLIC.
18238 2006-02-02 Roger Sayle <roger@eyesopen.com>
18240 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
18241 on INTEGER_TYPEs to indicate that it denotes a character type.
18242 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
18243 signed_char_type_node, unsigned_char_type_node and char_type_node.
18244 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
18245 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
18246 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
18248 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
18249 Daniel Berlin <dberlin@dberlin.org>
18251 * tree-tailcall.c (arg_needs_copy_p): New function.
18252 (eliminate_tail_call): Use arg_needs_copy_p.
18253 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
18254 (add_virtual_phis): New function.
18256 2006-02-02 Jakub Jelinek <jakub@redhat.com>
18258 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
18259 #ignore instead of #scratch for %g7 .register directive.
18261 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
18263 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
18266 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
18268 * flow.c (calculate_global_regs_live): Assert that there aren't any
18271 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
18273 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
18274 what its name says.
18275 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
18276 bsi_after_labels iterator.
18277 * tree-if-conv.c (find_phi_replacement_condition,
18278 replace_phi_with_cond_modify_expr): Likewise.
18279 * tree-scalar-evolution.c (scev_const_prop): Likewise.
18280 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
18282 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18284 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
18286 2006-02-02 Diego Novillo <dnovillo@redhat.com>
18289 * tree-cfg.c (move_block_to_fn): Clear out the basic block
18290 array after growing it.
18292 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18294 PR middle-end/24901
18295 * fold-const.c (fold_checksum_tree): Change type of buf.
18297 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
18299 * reload.c (push_secondary_reload): Initialize t_icode.
18301 2006-02-01 Jakub Jelinek <jakub@redhat.com>
18303 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
18304 -msoft-float -mlong-double-128 only issue a warning, but don't
18305 swich to DFmode long double.
18307 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
18309 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
18310 has a constant equivalent, iterate over equivalents for arg0,
18311 calling simplify_relational_operation and if there's a result
18312 cheaper than X, apply fold_rtx and return the result.
18314 2006-02-01 Jan Hubicka <jh@suse.cz>
18316 * opts.c (no_unit_at_a_time_default): New global variable.
18317 (decode_options): Use it.
18318 * opts.h (no_unit_at_a_time_default): Declare.
18320 2006-02-01 Paul Brook <paul@codesourcery.com>
18322 * function.c (assign_parm_setup_reg): Use function argument promotion
18324 * expr.c (expand_expr_real_1): Use function argument promotion rules
18327 2006-02-01 Steve Ellcey <sje@cup.hp.com>
18329 * gcc.c (process_command): Change j to 'unsigned int'.
18331 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18333 PR middle-end/26001
18334 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
18335 Use the corrected index for the character
18336 out of the string constant.
18338 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18340 * mode-switching.c (optimize_mode_switching): Fix size
18341 allocated for bb_info[n_entities].
18343 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
18345 * gcc.c (main): Correct type that is allocated for
18346 explicit_link_files.
18348 2006-01-31 Jakub Jelinek <jakub@redhat.com>
18350 * config/s390/s390.c (init_alignment_context): Set
18351 ALIAS_SET_MEMORY_BARRIER on the MEM.
18352 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
18354 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
18356 PR middle-end/25933
18357 * loop-unroll.c (unroll_loop_runtime_iterations): Free
18359 * tree-ssa-live.c (type_var_init): Allocate bitmap after
18362 2006-01-31 Marcin Dalecki <martin@dalecki.de>
18364 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
18365 * regrename.c: Ditto.
18366 * tree-ssa-loop-im.c: Ditto.
18367 * tree-dump.c: Ditto.
18368 * tree-complex.c: Ditto.
18369 * genrecog.c: Ditto.
18370 * tree-ssa-threadupdate.c: Ditto.
18372 * java/class.c: Ditto.
18373 * java/jcf-parse.c: Ditto.
18374 * java/resource.c: Ditto.
18375 * java/except.c: Ditto.
18376 * java/jvspec.c: Ditto.
18377 * java/jcf-write.c: Ditto.
18378 * java/jcf-path.c: Ditto.
18379 * java/gjavah.c: Ditto.
18380 * java/zextract.c: Ditto.
18381 * java/jcf-io.c: Ditto.
18382 * java/jcf.h: Ditto.
18383 * java/buffer.c: Ditto.
18384 * java/lang.c: Ditto.
18385 * java/parse-scan.y: Ditto.
18386 * java/lex.c: Ditto.
18387 * java/lex.h: Ditto.
18388 * cfgloopmanip.c: Ditto.
18389 * postreload-gcse.c: Ditto.
18390 * tree-ssa-loop-manip.c: Ditto.
18391 * postreload.c: Ditto.
18392 * tree-ssa-loop-ch.c: Ditto.
18395 * cppspec.c: Ditto.
18396 * diagnostic.c: Ditto.
18398 * genoutput.c: Ditto.
18400 * cfghooks.c: Ditto.
18401 * cfgloopanal.c: Ditto.
18402 * objc/objc-act.c: Ditto.
18404 * genextract.c: Ditto.
18405 * genautomata.c: Ditto.
18406 * pretty-print.c: Ditto.
18407 * genemit.c: Ditto.
18408 * cgraphunit.c: Ditto.
18410 * df-scan.c: Ditto.
18411 * haifa-sched.c: Ditto.
18412 * dominance.c: Ditto.
18414 * tree-ssa-loop-ivopts.c: Ditto.
18415 * df-core.c: Ditto.
18416 * mode-switching.c: Ditto.
18417 * modulo-sched.c: Ditto.
18419 * ipa-pure-const.c: Ditto.
18421 * fix-header.c: Ditto.
18423 * tree-stdarg.c: Ditto.
18424 * ipa-utils.c: Ditto.
18425 * loop-init.c: Ditto.
18426 * ipa-inline.c: Ditto.
18427 * cfganal.c: Ditto.
18429 * alloc-pool.c: Ditto.
18430 * dwarf2out.c: Ditto.
18432 * genattrtab.c: Ditto.
18433 * tree-ssa-loop-ivcanon.c: Ditto.
18434 * predict.c: Ditto.
18435 * timevar.c: Ditto.
18437 * fortran/gfortranspec.c: Ditto.
18438 * regmove.c: Ditto.
18439 * local-alloc.c: Ditto.
18440 * langhooks.c: Ditto.
18441 * function.c: Ditto.
18442 * tree-vectorizer.c: Ditto.
18444 * ipa-type-escape.c: Ditto.
18446 * tree-if-conv.c: Ditto.
18447 * profile.c: Ditto.
18449 * tree-data-ref.c: Ditto.
18450 * loop-unroll.c: Ditto.
18451 * treelang/treetree.c: Ditto.
18453 * bt-load.c: Ditto.
18454 * ggc-common.c: Ditto.
18456 * coverage.c: Ditto.
18458 * tree-cfgcleanup.c: Ditto.
18459 * tree-ssa-pre.c: Ditto.
18460 * cfgcleanup.c: Ditto.
18461 * loop-invariant.c: Ditto.
18462 * loop-iv.c: Ditto.
18463 * ipa-prop.c: Ditto.
18464 * print-tree.c: Ditto.
18465 * conflict.c: Ditto.
18466 * ggc-page.c: Ditto.
18467 * sched-deps.c: Ditto.
18468 * regclass.c: Ditto.
18469 * tree-object-size.c: Ditto.
18470 * combine.c: Ditto.
18471 * bb-reorder.c: Ditto.
18472 * resource.c: Ditto.
18473 * var-tracking.c: Ditto.
18474 * cfgloop.c: Ditto.
18475 * df-problems.c: Ditto.
18476 * reg-stack.c: Ditto.
18478 * gccspec.c: Ditto.
18479 * sched-rgn.c: Ditto.
18480 * tree-ssa-structalias.c: Ditto.
18481 * tree-ssa-reassoc.c: Ditto.
18482 * config/darwin-c.c: Ditto.
18483 * config/darwin.c: Ditto.
18484 * config/arm/arm.c: Ditto.
18486 * collect2.c: Ditto.
18487 * reload1.c: Ditto.
18489 2006-01-31 Nicolas Pitre <nico@cam.org>
18491 * arm.md (smaxsi3): Make aware of smax_m1.
18494 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
18496 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
18498 2006-01-31 Richard Guenther <rguenther@suse.de>
18500 * doc/invoke.texi (-msselibm): Document.
18501 * target.h (expand_library_builtin): New target hook.
18502 * builtins.c (expand_builtin): Use expand_library_builtin.
18503 (default_expand_library_builtin): New function.
18504 * gcc.c (LINK_GCC_MATH_SPEC): Define.
18505 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
18506 (link_gcc_math_spec): Declare.
18507 (static_specs): Add link_gcc_math_spec.
18508 * expr.h (default_expand_library_builtin): Declare.
18509 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18510 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
18511 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
18512 * config/i386/i386.opt (msselibm): New target option.
18513 * config/i386/i386.c (ix86_builtin_function_variants): New array.
18514 (ix86_init_sse_abi_builtins): New function.
18515 (ix86_expand_library_builtin): Likewise.
18516 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
18517 (override_options): Handle error conditions wrt -msselibm.
18518 (ix86_builtins): Add function codes for SSE2 ABI builtins.
18519 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
18520 * doc/extend.texi (__builtin_sse2_*): Document new target specific
18523 2006-01-31 Richard Guenther <rguenther@suse.de>
18524 Paolo Bonzini <bonzini@gnu.org>
18526 * doc/install.texi (--disable-libgcc-math): Document.
18528 2006-01-30 Marcin Dalecki <martin@dalecki.de>
18530 * expr.h (expand_normal): new inline function.
18531 * builtins.c: use it, use EXPAND_NORMAL explicitely.
18532 * dojump.c: use it.
18533 * dwarf2out.c: use it.
18536 * expmed.c: use it.
18537 * except.c: use it.
18538 * config/sparc/sparc.c: use it.
18539 * config/i386/i386.c: use it.
18540 * config/rs6000/rs6000.c: use it.
18541 * config/arm/arm.c: use it.
18542 * config/mips/mips.c: use it.
18543 * stmt.c: use it, use EXPAND_NORMAL explicitely.
18545 2006-01-30 Roger Sayle <roger@eyesopen.com>
18547 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
18548 argv to the appropriate type.
18550 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
18552 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
18555 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
18558 * config/s390/s390.c (struct machine_function): New flag
18559 decomposed_literal_pool_addresses_ok_p.
18560 (s390_reorg): Set it before final stage of literal pool transforms.
18561 (s390_decompose_address): Only accept displacements of the form
18562 (minus (label_ref ...) (label_ref ...)) if that flag is set.
18564 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
18566 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
18567 the comparison routine return.
18569 2006-01-30 Michael Matz <matz@suse.de>
18571 * global.c (find_reg): Only evict for global regs.
18572 Take n_refs into account and dump more info.
18574 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
18577 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
18578 (pragma_trap, pragma_nosave_low_regs): Likewise.
18579 (current_function_anonymous_args): Likewise.
18580 (sh_deferred_function_attributes): New variable.
18581 (sh_deferred_function_attributes_tail): Likewise.
18582 (print_operand): For '@', look up trap_exit attribute.
18583 (calc_live_regs): Look up trapa_handler attribute. For trapa
18584 handlers, save/restore fpscr, but don't do any other
18585 interrupt-specific saves.
18586 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
18587 Fix check for partially saved registers to check for SHmedia.
18588 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
18589 (sh_output_function_epilogue): Don't clear any of the removed
18591 (sh_insert_attributes): Don't check pragma_interrupt.
18592 Insert deferred attributes. Check that interrupt attribute is
18593 present for other attributes that require its presence.
18594 (sh_attribute_table): Add new attributes trapa_handler and
18596 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
18597 Don't check for pragma_interrupt. Don't store argument.
18598 * sh.h (pragma_interrupt, sp_switch): Don't declare.
18599 (sh_deferred_function_attributes): Declare.
18600 (sh_deferred_function_attributes_tail): Likewise.
18601 * sh.md (sp_switch_1): Add operand. Change generator caller.
18602 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
18603 (*return_i): Don't use when trap_exit attribute is in effect.
18604 (*return_trapa): New insn pattern.
18605 * sh-c.c: New file.
18606 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
18607 setting c_target_objs and cxx_target_objs.
18608 * t-sh: Add rule for sh-c.o.
18610 2006-01-30 Richard Guenther <rguenther@suse.de>
18613 * gimplify.c (gimplify_target_expr): Handle easy cases
18614 without creating a temporary.
18616 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
18618 * vec.h (safe_grow): Remove duplicated line.
18620 2006-01-29 Diego Novillo <dnovillo@redhat.com>
18623 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
18624 (expand_omp): ... here.
18625 (expand_omp_parallel): Only remove barriers for combined
18626 parallel+workshare constructs.
18628 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
18632 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
18633 * tree.c (build_qualified_type): Chain the new type to the original
18634 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
18635 a POINTER_TYPE or a REFERENCE_TYPE respectively.
18636 (build_pointer_type_for_mode): Only return unqualified types.
18637 (build_reference_type_for_mode): Likewise.
18639 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
18641 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
18642 * Makefile.in (CXX_COMPAT_WARN): Define.
18643 * configure: Regenerate.
18645 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
18648 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
18651 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18653 * toplev.c: Fix thinko.
18655 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
18656 Marcin Dalecki <martin@dalecki.de>
18658 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
18659 (push_srcloc): Use XNEW.
18660 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
18662 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
18664 * df-core.c (df_set_blocks): Deleted all variable.
18666 2006-01-28 Ian Lance Taylor <ian@airs.com>
18668 * cgraphunit.c (cgraph_assemble_pending_functions): Call
18669 cgraph_output_pending_asms.
18671 2006-01-28 Zack Weinberg <zackw@panix.com>
18673 * c.opt: Add -W(no-)overlength-strings.
18674 * doc/invoke.texi: Document it.
18675 * c-opts.c (c_common_handle_option): -pedantic implies
18676 -Woverlength-strings, if not explicitly disabled already.
18677 (c_common_post_options): -Woverlength-strings defaults to off, and
18678 is always off for C++.
18679 * c-common.c (fix_string_type): Issue warning about strings longer
18680 than is portable only if warn_overlength_strings. Rearrange code
18681 a little for clarity.
18682 * configure.in: Check for -Wno-overlength-strings as well before
18683 enabling -pedantic in stage 1.
18684 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
18685 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
18687 * genconditions.c (write_header, write_one_condition)
18688 (write_conditions, write_writer): Consolidate very long strings
18689 that were broken up to fit in C89 portable limit. Don't use
18690 printf when fputs will do.
18692 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
18694 * combine.c (simplify_comparison <AND>): Check
18695 TRULY_NOOP_TRUNCATION before start using a subreg.
18697 * config/mips/mips.md (*branch_zero<mode>,
18698 *branch_zero<mode>_inverted, *branch_equality<mode>,
18699 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
18700 Remove mode check from comparisons.
18702 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
18704 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
18706 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18708 * expmed.c (const_mult_add_overflow_p): Remove.
18709 * expr.h: Remove the prototype for const_mult_add_overflow_p.
18711 * recog.c (validate_replace_rtx_subexp): Remove.
18712 * recog.h: Remove the prototype for
18713 validate_replace_rtx_subexp.
18715 * integrate.h: Remove the prototype for
18716 copy_decl_for_inlining.
18717 * rtl.h: Remove the prototype for mark_constant_function.
18718 * tree-vectorizer.h: Remove the prototype for
18719 vect_strip_conversion.
18721 * modulo-sched.c (create_partial_schedule,
18722 free_partial_schedule, reset_partial_schedule): Make them
18725 * hooks.c (hook_bool_rtx_int_false): Remove.
18726 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
18728 2006-01-28 David Edelsohn <edelsohn@gnu.org>
18730 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18731 and -mlong-double-128 are incompatible.
18732 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
18733 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
18734 (TARGET_LIBGCC2_CFLAGS): Define.
18735 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
18736 (TARGET_LIBGCC2_CFLAGS): Same.
18737 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
18739 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
18742 * c-typeck.c (build_binary_op): Perform implicit casts of
18743 operands before shortening them.
18745 * cfgloopmanip.c (split_loop_bb): Remove.
18746 * cfgloop.h: Remove the prototype for split_loop_bb.
18748 * cfgloop.c (flow_loop_outside_edge_p): Remove.
18749 * cfgloop.h: Remove the prototype for
18750 flow_loop_outside_edge_p.
18752 * emit-rtl.c (init_virtual_regs): Make it static.
18753 * function.h: Remove the prototype for init_virtual_regs.
18755 * recog.c (peephole2_optimize): Make it static.
18756 * recog.h: Remove the prototype for peephole2_optimize.
18758 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18760 * df-scan.c (df_record_entry_block_defs): Check if
18761 INCOMING_RETURN_ADDR_RTX is defined.
18763 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
18764 Kenneth Zadeck <zadeck@naturalbridge.com>
18766 PR rtl-optimization/24762
18767 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18768 * targhooks.c (hook_void_bitmap): New hook prototype.
18769 * targhoohs.h (hook_void_bitmap): Ditto.
18770 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
18771 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
18772 * target.h (live_on_entry): New function pointer.
18773 * df-scan.c (df_all_hard_regs): Removed.
18774 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
18775 (df_scan_free_internal): Added df->entry_block_defs.
18776 (df_scan_alloc): Ditto.
18777 (df_scan_dump): Ditto.
18778 (df_uses_record): Plumbed flag field properly thru calls.
18779 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
18780 This part fixes PR24762.
18781 (df_bb_refs_record): Added code to make the frame and arg
18782 pointers live in EH blocks.
18783 (df_refs_record): Added call to df_record_entry_block_defs.
18784 (df_record_entry_block_defs): New function.
18785 * df-core.c: Added comments to describe new artifical defs.
18786 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
18787 (entry_block_defs): New field in struct df.
18788 (df_all_hard_regs): Deleted.
18789 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
18790 * df-problems.c (df_ru_bb_local_compute_process_def):
18791 Added code to handle artifical defs in the entry to a function.
18792 (df_ru_bb_local_compute): Ditto.
18793 (df_rd_bb_local_compute_process_def): Ditto.
18794 (df_rd_bb_local_compute): Ditto.
18795 (df_lr_bb_local_compute): Ditto.
18796 (df_ur_bb_local_compute): Ditto.
18797 (df_urec_bb_local_compute): Ditto.
18798 (df_chain_create_bb): Ditto.
18799 (df_ur_local_finalize): Removed entry.
18800 (df_urec_init): Ditto.
18801 (df_urec_local_finalize): Ditto.
18802 (df_ri_bb_compute): Added detection of last use of pseudos.
18803 * Makefile.in (df-scan.o): Updated dependencies.
18804 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
18805 * config/mips/mips.c (mips_set_live_on_entry): Added.
18806 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
18808 * dce.c (marked_insn_p): Added code to handle artifical defs.
18810 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
18812 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
18814 (_mm_cvtsi128_si64): Likewise.
18815 (_mm_cvtsd_si64): Likewise.
18816 (_mm_cvttsd_si64): Likewise.
18817 (_mm_cvtsi64_sd): Likewise.
18818 (_mm_cvtsi64_si128): Likewise.
18819 * config/i386/mmintrin.h (_m_from_int64): Likewise.
18820 (_mm_cvtsi64_m64): Likewise.
18821 (_m_to_int64): Likewise.
18822 (_mm_cvtm64_si64): Likewise.
18823 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
18824 (_mm_cvttss_si64): Likewise.
18825 (_mm_cvtsi64_ss): Likewise.
18826 (_mm_cvtss_f32): Likewise.
18828 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
18830 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
18831 for pragma redefine_extname.
18833 2006-01-27 Jakub Jelinek <jakub@redhat.com>
18836 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
18837 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
18838 -mno-minimal-toc to previous content.
18839 (bispecs): Remove goal.
18840 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
18841 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
18842 compatibility aliases on powerpc-*-*gnu*.
18843 * config/rs6000/libgcc-ppc-glibc.ver: New file.
18844 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
18845 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
18846 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
18847 (ldblspecs): New goal.
18848 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
18849 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
18851 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
18852 L_sf_to_tf or L_df_to_tf is defined.
18854 2006-01-27 David Edelsohn <edelsohn@gnu.org>
18855 Alan Modra <amodra@bigpond.net.au>
18858 * config/rs6000/linux.h (POWERPC_LINUX): Define.
18859 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
18860 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
18861 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
18862 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
18863 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
18864 (rs6000_override_options): Initialize rs6000_ieeequad.
18865 Initialize TFmode format to ibm_extended_format if not
18867 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
18869 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
18870 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
18871 (function_arg_advance): IBM long double passed in two FPRs, not
18873 (function_arg): IBM long double passed in FPRs.
18874 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
18875 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
18876 Only multireg GPR aligned.
18877 (rs6000_init_libfuncs): Enable IBM long double functions if not
18879 (rs6000_generate_compare): Use IBM long double compare if not
18881 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
18882 (TARGET_IEEEQUAD): Define.
18883 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
18884 not TARGET_IEEEQUAD.
18885 * config/rs6000/rs6000.md: Enable TFmode patterns if
18887 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
18888 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
18889 and -mlong-double-128 are incompatible.
18890 * doc/invoke.texi (-mabi): Collect options together. Add
18891 ibmlongdouble and ieeelongdouble.
18893 2006-01-27 Richard Sandiford <richard@codesourcery.com>
18895 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
18897 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
18898 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
18899 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
18900 * rtl.h (rtunion_def): Remove rt_ptr.
18902 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
18903 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
18904 * config/i386/winnt.c (i386_pe_mark_dllexport)
18905 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
18907 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
18909 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
18911 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18915 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
18916 pthread_key_delete. From John David Anglin. gthrw-ify
18917 pthread_getunique_np only if it it's not a macro. Delete
18919 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
18920 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
18921 __gthread_objc_condition_signal, __gthread_key_delete): Add
18922 "__attribute__ ((__unused__))" to unused arguments.
18923 (__gthread_recursive_mutex_init_function): Add missing return.
18924 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
18925 gthr-posix95.h: Use macro-based approach for name redirection
18926 on targets missing weakref.
18928 2006-01-26 Zack Weinberg <zackw@panix.com>
18930 * genconditions.c (write_header): In generated code, #ifdef out
18931 all includes and fake declarations, except includes of bconfig.h
18932 and system.h, unless GCC_VERSION >= 3001. Do not include
18933 gensupport.h in any case.
18934 (write_conditions): Generate a definition of struct c_test. Add
18935 a comment to the generated #endif.
18936 (write_one_condition): Escape backslashes in string too.
18937 (write_writer): Generated code must escape backslashes and quote
18938 marks (but not newlines) in the strings it writes.
18939 * Makefile.in (build/gencondmd.o): Update dependencies.
18941 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18944 * Makefile.in (insn-automata.o): Add header file dependencies.
18945 * genautomata.c: Add includes.
18947 2006-01-26 Steve Ellcey <sje@cup.hp.com>
18950 * Makefile.in (insn-automata.o): Add -Wno-error flag.
18952 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18954 * configure.ac: Expect target tools paths to be passed from the toplevel
18955 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
18957 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
18959 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
18962 * c.opt (Wpointer-sign): Init to -1.
18963 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
18964 OPT_pedantic, to 0 otherwise.
18965 * doc/invoke.texi: Update.
18967 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
18969 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
18970 constants provided by 80387 instructions in the destination mode.
18972 2006-01-26 Richard Guenther <rguenther@suse.de>
18973 Andrew Pinski <pinskia@physics.uc.edu>
18976 partial PR tree-opt/17064
18977 * tree-ssa-structalias.c (intra_create_variable_infos):
18978 Create heap variables for incoming parameters if
18979 flag_argument_noalias > 1.
18980 (find_what_p_points_to): Look through default defs of
18983 2006-01-26 Jeff Law <law@redhat.com>
18986 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
18987 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
18988 within the VR_RANGE, use the VR_RANGE as the result, not the
18990 (adjust_range_with_scev): Reject ranges from SCEV which are out of
18991 bounds for the type.
18993 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
18995 * tree-ssa-alias.c (maybe_create_global_var): Change
18996 subvar walking to an assertion that we don't have subvar'd variables.
18998 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
19001 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
19002 Use a new variable, inner. PARM_DECLs are always non-weak.
19004 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
19006 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
19007 --disable-checking.
19009 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
19011 * config/mips/mips.md (*clear_upper32): New combiner pattern.
19013 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
19015 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
19016 (smax_insn, smin_insn, smax_0, smin_0): New.
19018 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
19021 * config/cris/cris.c (cris_order_for_addsi3): New function.
19022 * config/cris/cris-protos.h: Prototype it.
19023 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
19024 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
19025 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
19026 (split for "op.S1 [rx=rx+i],ry (swapped)")
19027 (split for "op(s|u).S1 [rx=rx+i],ry")
19028 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
19029 Apply cris_order_for_addsi3 when generating addsi3 insns.
19031 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19033 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
19034 (TREE_BLOCK): Add call to EXPR_CHECK.
19036 2006-01-25 Diego Novillo <dnovillo@redhat.com>
19039 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
19040 * tree-pretty-print.c (dump_omp_clause): Extract from ...
19041 (dump_omp_clauses): ... here.
19042 (dump_generic_node): Handle OMP_CLAUSE.
19043 * tree.c (omp_clause_num_ops): New.
19044 (omp_clause_code_name): New.
19045 (tree_code_size): Handle OMP_CLAUSE.
19046 (tree_size): Likewise.
19047 (make_node): Document handling of OMP_CLAUSE.
19048 (tree_node_structure): Handle OMP_CLAUSE.
19049 (omp_clause_check_failed): New.
19050 (omp_clause_range_check_failed): New.
19051 (omp_clause_operand_check_failed): New.
19052 (build_omp_clause): New.
19053 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
19054 * tree.h (enum omp_clause_code): Declare.
19055 (OMP_CLAUSE_SUBCODE_CHECK): Define.
19056 (OMP_CLAUSE_RANGE_CHECK): Define.
19057 (OMP_CLAUSE_ELT_CHECK): Define.
19058 (omp_clause_check_failed): Declare.
19059 (omp_clause_operand_check_failed): Declare.
19060 (omp_clause_range_check_failed): Declare.
19061 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
19062 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
19063 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
19064 (OMP_CLAUSE_LASTPRIVATE): Likewise.
19065 (OMP_CLAUSE_IF_EXPR): Likewise.
19066 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
19067 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
19068 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
19069 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
19070 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
19071 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
19072 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
19073 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
19074 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
19075 (OMP_CLAUSE_CODE): Define.
19076 (OMP_CLAUSE_SET_CODE): Define.
19077 (OMP_CLAUSE_CODE): Define.
19078 (OMP_CLAUSE_OPERAND): Define.
19079 (struct tree_omp_clause): Declare.
19080 (union tree_node): Add field 'omp_clause'.
19081 * treestruct.def (TS_OMP_CLAUSE): Define.
19082 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
19083 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
19084 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
19085 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
19086 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
19087 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
19088 (OMP_CLAUSE): Define.
19089 * print-tree.c (print_node): Handle OMP_CLAUSE.
19090 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
19091 * c-typeck.c: Likewise.
19092 * gimplify.c: Likewise.
19093 * c-omp.c: Likewise.
19094 * tree-nested.c: Likewise.
19095 * tree-inline.c: Likewise.
19096 * c-parser.c: Likewise.
19097 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
19100 2006-01-25 Roger Sayle <roger@eyesopen.com>
19102 PR rtl-optimization/25703
19103 * combine.c (try_combine): Handle zero_extract and strict_low_part
19104 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
19106 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
19108 * global.c: Fix comment typos.
19110 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
19113 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
19114 Use output_addr_const instead of assemble_name.
19116 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
19118 * Makefile.in (sched-vis.o): Update dependencies.
19119 * haifa-sched.c (sched_finish): Clear current_sched_info.
19120 * cfg.c (dump_bb_info): New, split from dump_flow_info.
19121 (dump_flow_info): Call it.
19122 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
19124 * basic-block.h (dump_bb_info): Declare.
19125 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
19126 option, and apply options only for dump files whose TDF_RTL,
19127 TDF_TREE, or TDF_IPA bits match.
19128 * rtl.h: Declare new functions exported from sched-vis.c.
19129 * sched-vis.c: Enable also if scheduling is not used.
19130 (print_value): Print the mode of registers if not inside scheduling.
19131 (print_insn): Make it work outside the scheduler. Beautify the output
19133 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
19135 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19137 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
19138 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
19139 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
19140 depending on the value of CONSTANT_POOL_ADDRESS_P.
19141 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
19143 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
19144 rather than SYMBOL_REF_DECL.
19145 (rtx_constant_pool): Remove const_rtx_sym_htab.
19146 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
19147 (init_varasm_status): Don't initialize const_rtx_sym_htab.
19148 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
19149 Remove handling of const_rtx_sym_htab.
19150 (find_pool_constant): Delete.
19151 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
19152 rather than find_pool_constant.
19153 (get_pool_constant_for_function): Delete.
19154 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
19155 find_pool_constant.
19156 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
19157 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
19158 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
19159 (SYMBOL_REF_CONSTANT): New macro.
19160 (get_pool_constant_for_function): Delete.
19161 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
19162 rather than SYMBOL_REF_DECL.
19163 (i386_pe_mark_dllimport): Likewise.
19164 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
19165 rather than SYMBOL_REF_DECL.
19166 * config/darwin.c (machopic_indirect_data_reference): Likewise.
19167 (machopic_indirect_call_target): Likewise.
19169 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
19171 * flow.c (delete_noop_moves): Add missing EOL to dump message.
19173 2006-01-25 Richard Sandiford <richard@codesourcery.com>
19175 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
19177 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
19179 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
19181 2006-01-24 David Daney <ddaney@avtrex.com>
19184 * configure.ac (enable_tls): New enable option.
19185 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
19186 * configure: Regenerate.
19187 * doc/install.texi (--enable-tls): Document new option.
19188 (--disable-tls): Ditto.
19190 2006-01-24 Richard Henderson <rth@redehat.com>
19192 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
19193 * alias.c (true_dependence): Respect it.
19194 (canon_true_dependence, write_dependence_p): Likewise.
19195 * builtins.c (get_builtin_sync_mem): Set it.
19197 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
19199 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
19202 2006-01-24 DJ Delorie <dj@redhat.com>
19204 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
19205 for storing constants in single-bit bitfields.
19207 2006-01-25 Ben Elliston <bje@au.ibm.com>
19209 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
19211 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
19214 * tree-ssa-pre.c (phi_translate): Return NULL
19215 for AGGREGATE_TYPE's.
19217 2006-01-24 Zack Weinberg <zackw@panix.com>
19219 * genautomata.c (process_state_for_insn_equiv_partition):
19220 Use xcalloc for insn_arcs_array.
19221 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
19222 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
19224 2006-01-24 Richard Henderson <rth@redhat.com>
19226 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
19227 update all callers.
19229 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
19231 PR rtl-optimization/25890
19232 PR rtl-optimization/25905
19233 * combine.c (expand_compound_operation, expand_field_assignment):
19234 Fail if the bitfield's final position is out of bounds.
19236 2006-01-24 Ian Lance Taylor <ian@airs.com>
19238 PR middle-end/25930
19239 * cgraphunit.c (cgraph_output_in_order): Don't clear
19240 cgraph_asm_nodes until after asm strings have been output.
19242 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
19244 * fix-header.c (read_scan_file): Add new parameter imultilib when
19245 calling register_include_chains.
19247 2006-01-23 Diego Novillo <dnovillo@redhat.com>
19249 * omp-low.c: Update documentation.
19251 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19252 Daniel Berlin <dberlin@dberlin.org>
19256 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
19257 return from the function.
19259 2006-01-22 Zack Weinberg <zackw@panix.com>
19261 * rtl.def (match_code): Add second argument.
19262 * genpreds.c (write_extract_subexp): New function.
19263 (write_match_code): Add path argument. Use write_extract_subexp.
19264 (write_predicate_expr): Pass path to write_match_code.
19265 (mark_mode_tests): MATCH_CODE applied to a subexpression does
19266 not perform a mode test.
19267 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
19268 a subexpression does not constrain the top-level code set.
19269 * read-rtl.c (read_rtx_variadic): New function.
19270 (read_rtx_1): Use it; allow AND and IOR to be variadic.
19271 * doc/md.texi: Document new notation.
19272 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
19273 (cmpsi_operand): ... here, using new notation.
19275 2006-01-22 Zack Weinberg <zackw@panix.com>
19277 * varray.c: Remove GENERATOR_FILE #ifdefs.
19279 2006-01-22 Zack Weinberg <zackw@panix.com>
19281 * genautomata.c (output_reserved_units_table): Emit nothing if
19282 description->query_units_num is zero. Remove extra blank line.
19283 (output_cpu_unit_reservation_p): Short circuit
19284 if description->query_units_num is zero.
19286 2006-01-22 Zack Weinberg <zackw@panix.com>
19288 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
19289 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
19290 nor any of the random handful of variables that used to be necessary
19291 when this program was linked with rtlanal.o. Prune set of forward
19292 function declarations.
19293 (struct attr_desc): Remove static_p field.
19294 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
19295 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
19296 (attr_string): Do not read the character one past the length of
19298 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
19299 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
19300 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
19301 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
19302 (make_automaton_attrs): New.
19303 (main): Do not call into genautomata. Call local gen_bypass
19304 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
19305 Remove special case for insn_alts.
19306 * genautomata.c: Include gensupport.h; not genattrtab.h nor
19307 varray.h (leftover from previous change). Prune set of forward
19308 function declarations. Remove state_alts fields from all
19309 structures. Remove state_alts_table from struct automaton.
19310 Make everything except main static. Do not maintain num_dfa_decls.
19311 Do not maintain state_alts fields of various structures.
19312 (process_decls): Don't validate condexp for dm_insn_reserv decls.
19313 (add_arc): Remove state_alts argument. All callers updated.
19314 (output_reserved_units_table): Emit #ifdef here...
19315 (output_tables): ...not here. Don't generate state_alts tables.
19316 (expand_automata): Don't generate attributes.
19317 (write_automata): Don't generate state_alts functions.
19318 (main): New function.
19319 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
19320 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
19321 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
19322 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
19323 (BYPASS_P_FUNC_NAME, output_state_alts_table)
19324 (output_automata_list_state_alts_code, output_internal_state_alts_func)
19325 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
19326 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
19328 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
19329 * genattrtab.h: Delete file.
19330 * Makefile.in (OBJS-common): Add insn-automata.o.
19331 (insn-automata.o): New rule.
19332 (simple_generated_c): Add insn-automata.c.
19333 (build/genattrtab.o, build/genautomata.o): Update dependencies.
19334 (genprogmd): Add automata.
19335 (build/genattrtab): Needs no extra objects nor libraries.
19336 (build/genautomata): Needs build/vec.o and -lm.
19338 2006-01-22 Zack Weinberg <zackw@panix.com>
19340 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
19341 (output_dfa_max_issue_rate, locked_states_num): Delete.
19342 (struct automaton): Add locked_states field.
19343 (output_dead_lock_vect): Save number of locked states in
19344 automaton->locked_states. If it is zero, don't print anything.
19345 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
19346 (output_internal_dead_lock_func): Only test the dead_lock_vect
19347 for automata that have locked states.
19348 (output_statistics): Always print the number of locked states for
19349 each automaton. Calculate total number of locked states here.
19350 (write_automata): Don't call output_dfa_max_issue_rate.
19351 * genattrtab.c: Define length_unit_log as a const variable.
19352 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
19353 max_insn_queue_index const.
19354 * final.c (length_unit_log): Declare const.
19355 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
19357 2006-01-22 Zack Weinberg <zackw@panix.com>
19359 * genautomata.c: Include vec.h, not varray.h.
19360 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
19361 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
19362 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
19363 VEC_* macros operating on appropriately typed vectors, or to
19364 malloced arrays when the size is known in advance. Const-ify
19365 many char* variables and function arguments. No functional changes.
19366 * Makefile.in (build/varray.o): Delete rule.
19367 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
19368 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
19370 2006-01-22 Zack Weinberg <zackw@panix.com>
19372 * gensupport.c: Define get_insn_name and record_insn_name here.
19373 (read_md_rtx): Call record_insn_name as appropriate.
19374 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
19375 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
19376 * genpreds.c, genrecog.c: Don't define get_insn_name nor
19378 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
19379 (BUILD_VARRAY): Delete.
19380 (genprognormal): Rename genprogmd. Fold in all programs from
19381 genprognoprint; also attrtab.
19382 (build/genattrtab): Just mention genautomata.o and varray.o.
19383 Reorganize a bit, add comments to make the categories clearer.
19385 2006-01-22 Zack Weinberg <zackw@panix.com>
19387 * genconditions.c (condition_table, add_condition): Delete.
19388 (write_conditions): Don't emit n_insn_conditions nor
19389 insn_elision_unavailable. Issue the gcc version #ifdef here,
19390 inside the table, with no #else clause ...
19391 (write_header): ...not here.
19392 (write_writer): New function.
19393 (main): Don't initialize condition_table. Use add_c_test.
19395 * gensupport.c (init_md_reader_args_cb): Handle multiple input
19396 files on the command line.
19397 (maybe_eval_c_test): Don't check insn_elision_unavailable.
19398 Return -1 if there is no entry in the table, don't abort.
19399 (add_c_test, traverse_c_tests): New functions.
19400 * gensupport.h (insn_elision_unavailable, insn_conditions)
19401 (n_insn_conditions): Delete declarations.
19402 (add_c_test, traverse_c_tests): Declare.
19403 * read-rtl.c: Include gensupport.h.
19404 (read_conditions): New function.
19405 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
19406 (read_rtx_1): If we get EOF when we were looking for an initial
19407 open paren, return 0. Call read_conditions when appropriate.
19408 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
19409 dummy-conditions.o. Eliminate references to insn-conditions.o,
19410 or change them to build/gencondmd.o, as appropriate. Remove
19411 insn-constants.h from $(simple_generated_h) and insn-conditions.c
19412 from $(simple_generated_c). For all files remaining in those
19413 two lists, add insn-conditions.md to the generator command line.
19414 Give insn-constants.h/s-constants their own rules. Add rules
19415 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
19416 (build/read-rtl.o): Depend on gensupport.h.
19417 (genprognormal): Include preds.
19418 (genprogearly): Rename genprognoprint; only difference is now that
19419 they don't link with $(BUILD_PRINT).
19420 * dummy-conditions.c: Delete.
19422 2006-01-22 Zack Weinberg <zackw@panix.com>
19424 * genextract.c: Don't include insn-config.h. Do include vec.h.
19425 Declare vectors of int, char, and locstr.
19426 (locstr): New typedef.
19427 (struct extraction): Make all array fields into bare pointers.
19428 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
19429 (insn_code_number): Delete.
19430 (accum_extract): New struct.
19431 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
19432 (gen_insn): Take insn_code_number as an argument. Use an
19433 accum_extract structure instead of loading data directly into
19434 a struct extraction, and having to know how big it might get.
19435 (walk_rtx): Operate entirely on an accum_extract structure.
19436 (print_path): Avoid unnecessary use of printf.
19437 (print_header): New function, split out of main. Distinguish
19438 more carefully between an unrecognizable insn and an insn that
19439 has the code number of a define_expand.
19440 (main): Pass insn_code_number to gen_insn. Call print_header
19441 only after parsing. Avoid unnecessary use of printf.
19442 * Makefile.in (build/vec.o): New rule.
19443 (build/genextract): Depend on build/vec.o.
19444 (build/genextract.o): Don't depend on insn-config.h.
19446 2006-01-22 Zack Weinberg <zackw@panix.com>
19448 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
19449 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
19450 practical. Eliminate per-generator-program link rules.
19452 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
19454 PR middle-end/24437
19455 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
19456 with a call expr to ...
19457 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
19459 2006-01-23 Richard Guenther <rguenther@suse.de>
19461 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
19462 before make_edge with conditional EDGE_TRUE_VALUE.
19464 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
19465 Jan Hubicka <jh@suse.cz>
19466 Richard Guenther <rguenther@suse.de>
19468 PR rtl-optimization/25654
19469 * cfgexpand.c (aggregate_contains_union_type): New function.
19470 (add_alias_set_conflicts): Call it. Make sure to add conflicts
19471 for structure variables that contain a union type.
19473 2006-01-23 Richard Sandiford <richard@codesourcery.com>
19475 * gengtype.c (new_structure): Return the structure.
19476 (create_option): Add an extra "next" argument.
19477 (create_field): New function.
19478 (adjust_field_rtx_def): Use create_option and create_field.
19479 Remove a now-unnecessary call to find_structure.
19480 (adjust_field_tree_def): Likewise.
19481 (note_yacc_type): Remove an unnecessary call to find_structure.
19482 * gengtype.h (new_structure): Return the structure.
19483 (create_option): Add an extra argument.
19484 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
19485 (option): Adjust calls to create_option.
19487 2006-01-22 David Edelsohn <edelsohn@gnu.org>
19489 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
19491 2006-01-22 Paul Brook <paul@codesourcery.com>
19492 Peter Barada <peter@the-baradas.com>
19494 * config/m68k/m68k.md: Add Coldfire FPU support.
19495 Define FP mode macro and associated attributes.
19496 Use it for float mode patterns.
19497 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
19498 (LIBCALL_VALUE): Use m68k_libcall_value.
19499 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
19500 (m68k_function_value): Ditto.
19501 (emit_move_sequence): Ditto.
19502 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
19503 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
19504 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
19505 (MULTILIB_EXCEPTIONS): Ditto.
19506 * config/m68k/m68k.opt: Add mcfv4e.
19507 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
19508 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
19509 (m68k_output_function_prologue): Save ColdFire FPU registers.
19510 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
19511 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
19512 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
19513 ColdFire FPU registers.
19514 (m68k_libcall_value, m68k_function_value): New functions.
19515 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
19516 (LIBCALL_VALUE): Use m68k_libcall_value.
19517 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
19518 (MASK_COLDFIRE): Add MASK_CFV4E.
19519 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
19520 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
19521 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
19522 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
19523 (GO_IF_LEGITIMATE_ADDRESS): Use it.
19524 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
19525 * doc/invoke.tex: Document -mcfv4e on m68k.
19527 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
19529 * doc/contribute.texi: Change CVS to SVN and update the corresponding
19532 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
19535 * c-opts.c (c_common_handle_option): Don't include
19536 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
19537 * doc/invoke.texi (C++ Dialect Options): Document that
19538 -Wnon-virtual-dtor is no longer included in -Wall.
19540 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
19542 * gcov.c (print_version), gcov-dump.c (print_version),
19543 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
19546 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
19548 * df-scan.c (problem_SCAN): Added NULL reset function.
19549 (df_scan_reset_blocks): Added code to call reset block function
19550 (df_bb_refs_delete) Fixed comment.
19551 (df_insn_refs_delete): Made tolerant of deleting non existent info
19552 for dataflow problems that need to be reset.
19553 * df-core.c (df_set_blocks): Ditto.
19554 * df.h (struct df_problem): Added reset_fun.
19555 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
19556 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
19557 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
19558 functions to clear out all references to def-use or use-def chains.
19560 2006-01-21 Ben Elliston <bje@au.ibm.com>
19562 * varasm.c (assemble_real): Initialise data array.
19564 2006-01-20 Paul Brook <paul@codesourcery.com>
19566 Merge from csl-arm-branch.
19567 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
19568 * config/arm/arm.md (movdi): Force operands[1] to a register
19569 if we have a non-register source.
19570 (*arm_movdi, *movdf_soft_insn): Require that one of the
19571 operands be a register.
19572 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
19573 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
19575 2006-01-20 DJ Delorie <dj@redhat.com>
19577 * varasm.c (initializer_constant_valid_p): Allow pointers
19578 initialized from integer constants of lesser precision.
19579 (output_constant): Allow non-int-sized pointer modes to be
19580 initialized from integer constants.
19582 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
19585 * cppdefault.h (struct default_include): Add multilib flag.
19586 * cppdefault.c (cpp_include_defaults): Set it.
19587 * c.opt (-imultilib): New option.
19588 * c-opts.c (imultilib): New.
19589 (c_common_handle_option): Handle -imultilib.
19590 (c_common_post_options): Likewise.
19591 * c-incpath.c (add_standard_paths, register_include_chains):
19593 * c-incpath.h (register_include_chains): Add extra parameter.
19594 * gcc.c (do_spec_1): Generate -imultilib option.
19595 (The Specs Language): Update %I description.
19596 (process_command): Update copyright notice.
19597 * doc/cppopts.texi (-imultilib): Document.
19598 * doc/invoke.texi (-imultilib): Include in option summary.
19599 (%I): Update specs documentation.
19601 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19603 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
19605 2006-01-20 Richard Sandiford <richard@codesourcery.com>
19607 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
19610 2006-01-20 Richard Guenther <rguenther@suse.de>
19611 Steven Bosscher <stevenb.gcc@gmail.com>
19613 PR rtl-optimization/24626
19614 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
19615 EDGE_TRUE_VALUE if in RTL mode.
19618 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
19619 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
19621 2006-01-20 Dirk Mueller <dmueller@suse.com>
19624 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
19625 instead of a special NOP marker.
19626 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
19627 NOP marker handling.
19628 * c-common.h (empty_body_warning): Add forward declaration.
19629 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
19630 Now uses IS_EMPTY_STMT() instead of special NOP markers.
19632 2006-01-20 Paul Brook <paul@codesourcery.com>
19634 * Makefile.in (lang_checks): Keep going if mkdir fails.
19636 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19638 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
19639 be able to clean out basic block when not necessary.
19640 (df_scan_free): Fixed to properly delete information if df is
19641 unused before calling df_finish.
19642 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
19643 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
19645 (df_bb_refs_delete): New function.
19646 (df_refs_delete): Moved per block code to df_bb_refs_delete.
19647 * df-core.c (df_set_blocks): Added code to properly clean out
19648 unused blocks if they are not part of the blocks to consider.
19649 Added additional null check.
19650 (df_compact_blocks): Added basic block parameter to free_bb_fun to
19651 be able to clean out basic block when not necessary
19652 * df.h (df_free_bb_function): Ditto.
19653 (df_bb_refs_delete): New function.
19654 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
19655 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
19656 basic block parameter to be able to clean out basic block when not
19658 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
19659 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
19660 Fixed to properly delete information if df is unused before
19663 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
19665 PR rtl-optimization/25799
19666 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
19667 Corrected confluence operator to remove bits from op2 before oring
19668 with op1 rather than removing bits from op1.
19669 (df_ru_transfer_function): Corrected test on wrong bitmap which
19670 caused infinite loop. Both of these problems were introduced in
19671 the dataflow rewrite.
19673 2006-01-19 DJ Delorie <dj@redhat.com>
19675 * reload1.c (find_reload_regs): Note the details of reload
19676 failures in the dump file.
19677 (spill_failure): Likewise.
19679 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
19681 * loop-iv.c: Include df.h and hashtab.h.
19682 (enum iv_grd_result): New enum.
19683 (DF_REF_IV, DF_REF_IV_SET): New macros.
19684 (struct biv_entry): New.
19685 (df, bivs): New global variables.
19686 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
19687 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
19689 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
19690 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
19691 analyzed_for_bivness_p, record_biv): New functions.
19692 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
19693 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
19694 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
19696 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
19698 (iv_number_of_iterations): Use new interface to iv analysis.
19699 * loop-unroll.c: Do not include varray.h.
19700 (analyze_iv_to_split_insn): Use new interface to iv
19702 * loop-unswitch.c (may_unswitch_on): Ditto.
19703 * df.c (df_bitmaps_free): Only work for bbs for that structures are
19705 (df_bb_modify): Realloc tables to the new index.
19706 (df_find_use): New function.
19707 * df.h (df_find_use): Declare.
19708 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
19710 * cfgloop.h (struct rtx_iv): Remove analysed field.
19711 (iv_get_reaching_def): Removed.
19712 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
19713 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
19714 (loop-iv.o): Add df.h and hashtab.h dependency.
19715 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
19717 2006-01-20 Alan Modra <amodra@bigpond.net.au>
19720 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
19722 (__floatundisf, __floatundidf): Likewise.
19723 * libgcc2.h (IS_IBM_EXTENDED): Define.
19725 2006-01-19 DJ Delorie <dj@redhat.com>
19727 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
19729 2006-01-19 Paul Brook <paul@codesourcery.com>
19731 * config/arm/arm.c (arm_compute_func_type): Treat all functions
19732 as nothrow when unwinding tables are disabled.
19734 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19737 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
19738 of bit-field" when in system header.
19740 2006-01-19 DJ Delorie <dj@redhat.com>
19742 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
19743 the 16 bit shift limit of the m16c.
19745 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
19748 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
19749 * config/i386/i386.c (output_set_got): Output the label if we have one
19750 for the TARGET_DEEP_BRANCH_PREDICTION case.
19752 2006-01-19 Jan Hubicka <jh@suse.cz>
19753 H.J. Lu <hongjiu.lu@intel.com>
19754 Evandro Menezes <evandro.menezes@amd.com>
19756 * invoke.texi (generic): Document
19758 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
19759 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
19760 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
19761 (x86_use_incdec, x86_pad_returns): New variables
19762 (TARGET_CPU_DEFAULT_generic): New constant
19763 (TARGET_CPU_DEFAULT_NAMES): Add generic.
19764 (enum processor_type): Add generic32 and generic64.
19765 * i386.md (cpu attribute): Add generic32/generic64
19766 (movhi splitter): Behave sanely when both partial_reg_dependency and
19767 partial_reg_stall are set.
19768 (K8 splitters): Enable for generic as well.
19769 * predicates.md (incdec_operand): Use TARGET_INCDEC
19770 (aligned_operand): Avoid memory mismatch stalls.
19771 * athlon.md: Enable for generic64, new patterns for 128bit moves.
19772 * ppro.md: Enable for generic32
19773 * i386.c (generic64_cost, generic32_cost): New.
19774 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
19775 (x86_use_leave): Enable for generic64. (x86_use_sahf,
19776 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
19777 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
19778 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
19779 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
19780 x86_partial_reg_dependency, x86_memory_mismatch_stall,
19781 x86_accumulate_outgoing_args, x86_prologue_using_move,
19782 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
19783 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
19784 Enable for generic.
19785 (x86_use_incdec, x86_pad_returns): New.
19786 (override_options): Add generic32 and generic64, translate "generic"
19787 to generic32/generic64 and "i686" to "generic32", refuse
19788 "generic32"/"generic64" as arch target.
19789 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
19790 (ix86_reorg): Honor PAD_RETURNS.
19792 2006-01-19 Diego Novillo <dnovillo@redhat.com>
19794 * tree-pretty-print.c (dump_generic_node): Handle
19795 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
19796 * cgraph.c (cgraph_expand_queue): Rename from
19797 cgraph_analyze_queue. Update all users.
19798 * cgraphunit.c (cgraph_assemble_pending_functions): Process
19799 cgraph_expand_queue.
19800 (cgraph_expand_all_functions): Likewise.
19801 (cgraph_finalize_pending_functions): Remove. Update callers.
19803 * tree.h (OMP_DIRECTIVE_P): Define.
19804 (OMP_PARALLEL_FN): Define.
19805 (OMP_PARALLEL_DATA_ARG): Define.
19806 (OMP_SECTIONS_SECTIONS): Define.
19807 * tree-pass.h (pass_expand_omp): Declare.
19808 * omp-low.c (struct omp_region): Declare.
19809 (struct omp_context): Remove fields 'parallel_type',
19810 'parallel_start_ix' and 'parallel_start_additional_args'.
19812 (struct omp_for_data): Rename from struct expand_omp_for_data.
19813 (omp_regions): New static variable.
19814 (root_omp_region): New static variable.
19815 (find_omp_clause): Make static.
19816 (is_in_combined_parallel_ctx): Remove.
19817 (is_combined_parallel): New.
19818 (extract_omp_for_data): Move earlier in the file.
19819 (workshare_safe_to_combine_p): New.
19820 (get_ws_args_for): New.
19821 (determine_parallel_type): Move earlier in the file.
19822 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
19824 (omp_copy_decl): Likewise.
19825 (create_omp_child_function): Likewise.
19826 (lookup_omp_region): New.
19827 (dump_omp_region): New.
19828 (debug_omp_region): New.
19829 (debug_all_omp_regions): New.
19830 (new_omp_region): New.
19831 (scan_omp_parallel): If parallel_nesting_level > 1, the
19832 directive is nested within another parallel directive.
19833 Set OMP_PARALLEL_FN.
19834 (scan_omp_for): Do not try to handle combined parallel+for
19836 Remove FIXME comment.
19837 (scan_omp_nested): Remove.
19838 (scan_omp_1): Do not call scan_omp_nested when
19839 parallel_nesting_level is > 1.
19840 Do not change the DECL_CONTEXT of local variables found.
19841 (lookup_decl_in_outer_ctx): New.
19842 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
19843 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
19844 (lower_reduction_clauses): Rename from expand_reduction_clauses.
19845 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
19846 If CTX is nested, lookup VAR in the outer context when
19847 building copy assignment.
19848 (lower_send_clauses): Rename from expand_send_clauses.
19849 If CTX is nested, lookup VAR in the outer context when
19850 building copy assignments.
19851 (lower_send_shared_vars): Rename from expand_send_shared_vars.
19852 If CTX is nested, lookup VAR in the outer context when
19853 building copy assignments.
19854 (expand_parallel_call): Rename from build_parallel_call.
19855 Handle combined parallel+workshare cases.
19856 Re-implement to emit code into the CFG.
19858 (expand_omp_parallel): Re-implement to emit code into the CFG.
19859 Call move_sese_region_to_fn to outline the sub-graph
19860 containing the parallel region.
19861 (expand_omp_for_1): Remove.
19862 (expand_omp_for_generic): Re-implement to emit code into the
19864 (expand_omp_for_static_nochunk): Likewise.
19865 (expand_omp_for_static_chunk): Likewise.
19866 (expand_omp_for): Likewise.
19867 (expand_omp_sections): Likewise.
19868 (remove_exit_barriers): New.
19869 (expand_omp_synch): New.
19871 (build_omp_regions_1): New.
19872 (build_omp_regions): New.
19873 (execute_expand_omp): New.
19874 (gate_expand_omp): New.
19875 (pass_expand_omp): Define.
19876 (lower_omp_sections): Rename from expand_omp_sections.
19877 Set OMP_SECTIONS_SECTIONS.
19878 (lower_omp_single_simple): Rename from expand_omp_single_simple.
19879 (lower_omp_single_copy): Rename from expand_omp_single_copy.
19880 (lower_omp_single): Rename from expand_omp_simple.
19881 (lower_omp_master): Rename from expand_omp_master.
19882 (lower_omp_ordered): Rename from expand_omp_ordered.
19883 (lower_omp_critical): Rename from expand_omp_critical.
19884 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
19885 (lower_omp_for): Re-implement.
19886 (lower_omp_parallel): Re-implement.
19887 (lower_regimplify): Rename from expand_regimplify.
19888 (lower_omp_1): Rename from expand_omp_1.
19889 If there are syntax errors in the program, replace every
19890 OpenMP directive with NOP.
19891 Call lower_omp_* instead of expand_omp_*.
19892 (lower_omp): Rename from expand_omp.
19894 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
19895 * tree-gimple.h (enum omp_parallel_type): Remove.
19896 (gimple_boolify): Declare extern.
19897 (find_omp_clause, determine_parallel_type): Remove.
19899 * gimple-low.c (lower_omp_directive): New.
19900 (lower_stmt): Call it.
19901 (record_vars_into): Move from ...
19902 (record_vars): ... here.
19903 Call record_vars_into with current_function_decl.
19905 * gimplify.c (struct gimplify_ctx): Remove fields
19906 combined_pre_p and combined_ctxp. Update users.
19907 (get_formal_tmp_var): Add documentation.
19908 (gimple_boolify): Make extern.
19909 (gimplify_expr_in_ctx): Remove. Update callers.
19910 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
19911 will always be a BIND_EXPR.
19912 (gimplify_expr): Handle OMP_RETURN_EXPR.
19913 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
19914 (OMP_PARALLEL): Add 3 operands.
19915 (OMP_SECTIONS): Add 1 operand.
19916 (OMP_RETURN_EXPR): Define.
19918 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
19919 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
19920 * tree-iterator.c (alloc_stmt_list): Assert that we are not
19921 creating a circular free list.
19922 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
19924 * tree-flow.h (move_sese_region_to_fn): Declare.
19925 (record_vars_into): Declare.
19926 * tree-cfg.c (make_omp_sections_edges): New.
19927 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
19928 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
19929 OMP_SECTIONS and OMP_SECTION.
19930 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
19931 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
19932 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
19933 (gather_blocks_in_sese_region): New.
19934 (struct move_stmt_d): Declare.
19935 (move_stmt_r): New.
19936 (move_block_to_fn): New.
19937 (move_sese_region_to_fn): New.
19939 * passes.c (init_optimization_passes): Schedule
19940 pass_expand_omp after pass_init_datastructures.
19942 * tree-ssa-operands.c (get_expr_operands): Handle
19943 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
19944 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
19946 2006-01-19 Jeff Law <law@redhat.com>
19948 * tree-vrp.c (extract_range_from_assert): Refine the result range
19949 if the variable referenced by the ASSERT_EXPR has a range and
19950 either the tentative result range or the previous range is a
19953 2006-01-19 Richard Sandiford <richard@codesourcery.com>
19955 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
19957 2006-01-19 Jan Hubicka <jh@suse.cz>
19959 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
19961 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
19963 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
19964 (expand_compound_operation, expand_field_assignment): Fail if the
19965 bit lengths of an extract operation are out of range.
19966 (make_extraction): Compute wanted_inner_mode based on the position
19967 and length of the extraction. Make it extraction_mode for non-constant
19968 positions, and do not modify offset in that case. When generating a
19969 new MEM, use a mode that can hold the extraction while keeping correct
19970 alignment. Remove code that supported MEMs wrapped by USEs.
19971 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
19973 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
19975 * config/s390/s390.md ("Y", "y"): New mode attribute.
19976 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
19977 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
19978 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
19979 "*addsi3_imm_cc", "*addsi3_carry1_cc",
19980 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
19981 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
19982 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
19983 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
19984 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
19985 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
19986 "addsi3", "subsi3"): Insn patterns removed.
19987 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
19988 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
19989 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
19990 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
19991 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
19992 "*sub<mode>3_cconly2"): New insn patterns.
19993 ("addsi3", "subsi3"): New expanders.
19995 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
19997 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
19998 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
19999 existing STMT_VINFO_VECTYPE if available.
20000 (vect_mark_relevant): Add special handling for stmts that are
20001 marked as STMT_VINFO_IN_PATTERN_P.
20002 (vect_analyze_loop): Call vect_pattern_recog.
20003 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
20004 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
20006 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
20007 (vect_recog_func_ptr): New function-pointer type.
20008 * tree-vect-patterns.c: New file.
20009 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
20010 (vect_recog_dot_prod_pattern, vect_pattern_recog):
20011 (vect_pattern_recog_1): New functions.
20012 (vect_pattern_recog_funcs): New array of function pointers.
20014 * tree-vectorizer.h (ternary_op): New enum value.
20015 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
20016 declaration. Revised documentation. Removed redundant dump prints.
20017 Removed redundant argument. Added support for reduction patterns.
20018 (vectorizable_reduction): Added support for reduction patterns.
20019 (vect_transform_stmt): Added support for patterns.
20021 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
20022 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
20023 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
20024 (expand_widen_pattern_expr): New function.
20025 (init_optabs): Initialize new optabs udot_prod_optab,
20027 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
20028 (sdot_prod_optab, udot_prod_optab): Define new optabs.
20029 (expand_widen_pattern_expr): New function declaration.
20030 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
20032 * tree-inline.c (estimate_num_insns_1): Added cases for new
20033 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20034 * tree-pretty-print.c (dump_generic_node): Likewise.
20035 (op_prio): Likewise.
20036 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
20037 * tree-ssa-operands.c (get_expr_operands): Added case for
20039 * tree-vect-patterns.c (widened_name_p): New function.
20040 (vect_recog_dot_prod_pattern): Added function implementation.
20041 * tree-vect-transform.c (get_initial_def_for_reduction): Added
20042 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
20043 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
20044 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
20046 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
20047 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
20048 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
20049 (init_optabs): Initialize new optabs widen_ssum_optab,
20051 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
20052 (widen_ssum_optab, widen_usum_optab): Define new optabs.
20053 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
20054 use instead of type of def.
20055 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
20056 function implementation.
20057 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
20058 widen_ssumv8hi): New.
20060 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
20063 2006-01-19 Richard Sandiford <richard@codesourcery.com>
20066 * c-decl.c (add_flexible_array_elts_to_size): New function.
20067 (finish_decl): Use it.
20069 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
20071 * diagnostic.h: Include options.h.
20072 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
20073 dependancies for diagnostic.h.
20074 * Makefile.in (DIAGNOSTIC_H): Add options.h.
20076 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
20078 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
20079 (ssa_ro_call_cache_valid): Ditto.
20080 * tree-ssa-alias.c (sort_tags_by_id): New function.
20081 (init_transitive_clobber_worklist): Ditto.
20082 (add_to_worklist): Ditto.
20083 (mark_aliases_call_clobbered): Ditto.
20084 (compute_tag_properties): Ditto.
20085 (set_initial_properties): Ditto.
20086 (compute_call_clobbered): Ditto.
20087 (compute_may_aliases): Call compute_call_clobbered and grouping.
20088 (compute_flow_sensitive_aliasing): Remove clobbering related code.
20089 (compute_flow_insensitive_aliasing): Grouping now happens in our
20091 (setup_pointers_and_addressables): Remove clobbering related code.
20092 (add_may_alias): Ditto.
20093 (replace_may_alias): Ditto.
20094 (get_nmt_for): Ditto.
20095 (create_global_var):
20096 (is_escape_site): Return an escape_type enumeration.
20097 * tree-flow-inline.h (is_call_clobbered): Global var does not
20098 imply call clobbered.
20099 (mark_call_clobbered): Take a reason for marking this. Remove
20100 marking of globalness, and cache invalidation.
20101 (clear_call_clobbered): Remove cache invalidation code.
20102 * tree-dfa.c (dump_variable): If details is on, dump the reason
20104 * tree-outof-ssa.c (create_temp): Copy escape mask from original
20106 * tree-flow.h (struct ptr_info_def): Add escape mask member.
20107 (struct var_ann_d): Ditto.
20108 (enum escape_type): New.
20109 (mark_call_clobbered): Adjust prototype.
20110 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
20111 are never call clobbered.
20112 Record reasons for escaping.
20113 * tree-ssa-structalias.h (is_escape_site): Update prototype.
20114 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
20115 (ssa_ro_call_cache_valid): Ditto.
20116 (clobbered_v_may_defs): Ditto.
20117 (clobbered_vuses): Ditto.
20118 (ro_call_vuses): Ditto.
20119 (clobber_stats): New.
20120 (init_ssa_operands): Zero out clobber stats.
20121 (fini_ssa_operands): Print out clobber stats.
20122 (get_call_expr_operands): Pass callee fndecl to
20123 add_call_read_ops).
20124 (add_call_clobber_ops): Remove use of cache.
20125 Add use of PURE_CONST information.
20126 (add_call_read_ops): Remove use of cache.
20127 Add use of static not_read information.
20129 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
20131 Introduce TLS descriptors for i386 and x86_64.
20132 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
20133 (TARGET_ANY_GNU_TLS): New macro.
20134 (enum tls_dialect): Added TLS_DIALECT_GNU2.
20135 (struct machine_function): Add tls_descriptor_call_expanded_p.
20136 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
20137 (ix86_current_function_calls_tls_descriptor): Likewise.
20138 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
20139 (override_options): Introduce gnu2 tls dialect.
20140 (ix86_frame_pointer_required): Functions containing TLSCALLs are
20142 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
20144 (legitimize_tls_address): Adjust logic for GNU2 TLS.
20145 (ix86_init_machine_status): Initialize new field.
20146 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
20147 (ix86_tls_module_base): New.
20148 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
20149 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
20150 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
20151 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
20152 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
20153 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
20154 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
20155 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
20156 * config/i386/predicates.md (tls_modbase_operand): New.
20157 (tp_or_register_operand): New.
20159 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
20161 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
20162 (look_for_address_of): Ditto.
20163 (ipa_init): Walk the function decls.
20164 (static_execute): Don't set readonly on FUNCTION_DECL's.
20166 2006-01-18 Roger Sayle <roger@eyesopen.com>
20168 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
20169 for shifts where the source and destination registers are different.
20171 2006-01-18 Paul Brook <paul@codesourcery.com>
20173 Merge from csl-arm-branch.
20174 2005-03-14 Julian Brown <julian@codesourcery.com>
20175 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
20176 (aeabi_llsl): Likewise.
20177 (ashrdi3): Likewise.
20178 (aeabi_lasr): Likewise.
20179 (lshrdi3): Likewise.
20180 (aeabi_llsr): Likewise.
20181 2005-03-10 Julian Brown <julian@codesourcery.com>
20182 * config.gcc: Disable shared libgcc for SymbianOS.
20183 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
20185 2006-01-18 DJ Delorie <dj@redhat.com>
20187 * c-pragma.c (handle_pragma_diagnostic): New.
20188 (init_pragma): Register it.
20189 * doc/extend.texi: Document it.
20191 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
20192 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
20193 (diagnostic_context): Add classify_diagnostic[].
20194 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
20195 as errors if they're overridden to DK_WARNING.
20196 (diagnostic_initialize): Initialize classify_diagnostic[].
20197 (diagnostic_set_kind_override): New.
20198 (diagnostic_report_diagnostic): Check for kind changes.
20199 * opts.c (common_handle_option): Take lang_mask. Update callers.
20200 Handle OPT_Werror_.
20201 * common.opt (Werror=): New.
20202 * doc/invoke.texi: Document -Werror=*
20204 2006-01-18 Jeff Law <law@redhat.com>
20206 * tree-vrp.c (test_for_singularity): Correct test for new
20207 min limit. Use operand_equal_p rather than pointer equality
20208 for testing if new min/max values are equal.
20210 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
20211 using range information until after propagation and folding.
20213 2006-01-18 Richard Henderson <rth@redhat.com>
20214 Aldy Hernandez <aldyh@redhat.com>
20215 Jakub Jelinek <jakub@redhat.com>
20216 Diego Novillo <dnovillo@redhat.com>
20218 * omp-low.c: New file.
20219 * c-omp.c: New file.
20221 2006-01-18 Richard Henderson <rth@redhat.com>
20222 Jakub Jelinek <jakub@redhat.com>
20223 Diego Novillo <dnovillo@redhat.com>
20225 * doc/invoke.texi: Document -fopenmp.
20226 * tree-dump.h (debug_function): Declare.
20227 * hooks.c (hook_bool_tree_bool_false): New function.
20228 (hook_tree_tree_null): Remove.
20229 (hook_tree_tree_tree_null): New.
20230 * hooks.h: Update to match.
20231 * tree-pretty-print.c (debug_tree_chain): New.
20232 (print_generic_expr): Handle TDF_CHAIN.
20233 (dump_generic_node): Handle BLOCK.
20234 Do not abort with incomplete SWITCH_EXPRs.
20235 Do not dump body of an OpenMP directive if TDF_SLIM is given.
20236 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
20237 print space after directive name.
20238 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
20239 Handle OMP_MASTER and OMP_ORDERED.
20240 Handle printing of OMP_BODY just in one place, goto
20241 dump_omp_body in the rest of OMP_* nodes that have
20243 Don't handle clause nodes here. Update omp statements to
20244 use dump_omp_clauses.
20245 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
20246 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
20247 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
20248 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
20249 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
20250 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
20251 Adjust output for GOMP_PARALLEL.
20252 (dump_omp_clauses): New.
20253 (print_declaration): Dump DECL_VALUE_EXPR.
20254 (op_symbol_1): Split out of op_symbol.
20255 (dumping_stmts): Remove. Update all users.
20256 * cgraph.c (cgraph_analyze_queue): New.
20257 (cgraph_add_new_function): New.
20258 * cgraph.h (cgraph_analyze_queue): Declare.
20259 (cgraph_add_new_function): Declare.
20260 (cgraph_lower_function): Remove.
20261 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
20262 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
20263 and TYPE_P nodes in its default clause.
20264 (empty_body_p): New.
20265 (tree_range_check_failed): New.
20266 (build5_stat): New.
20267 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
20268 OMP_CLAUSE_REDUCTION_MERGE,
20269 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
20270 OMP_CLAUSE_PRIVATE_DEBUG,
20271 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
20272 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
20273 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
20274 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
20275 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
20276 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
20277 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
20278 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
20279 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
20280 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
20281 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
20282 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
20283 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
20284 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
20285 (TREE_RANGE_CHECK): New.
20286 (empty_body_p): Declare.
20287 (enum omp_clause_default_kind): New.
20288 (build_string_literal): Declare.
20289 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
20290 (build5_stat, build5): Declare.
20291 * tree-pass.h (TDF_CHAIN): Define.
20292 * tree-pass.h (PROP_gimple_lomp): Define.
20293 (pass_lower_omp): Declare.
20294 * diagnostic.h (debug_tree_chain): Declare.
20295 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
20297 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
20298 * builtins.c (build_string_literal): Make extern.
20299 * gcc.c (include_spec_function): New.
20300 (static_spec_functions): Add it.
20301 (main): Move load of libgomp.spec ...
20302 (LINK_COMMAND_SPEC): ... here.
20303 (link_gomp_spec): New.
20304 (static_specs): Include it.
20305 (LINK_COMMAND_SPEC): Add link_gomp.
20306 (GOMP_SELF_SPECS): New.
20307 (driver_self_specs): Include it.
20308 (switch_matches): Don't mark inline.
20309 (main): Load libgomp.spec.
20310 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
20311 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
20312 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
20313 * tree-gimple.h (enum omp_parallel): Declare.
20314 (determine_parallel_type): Declare.
20315 (omp_firstprivatize_variable): Declare.
20316 (omp_reduction_init): Declare.
20317 (diagnose_omp_structured_block_errors): Declare.
20318 (struct walk_stmt_info): Add want_return_expr.
20319 (struct walk_stmt_info): Add want_bind_expr, want_locations.
20320 (find_omp_clause): Declare.
20321 (insert_field_into_struct): Declare.
20322 (struct walk_stmt_info): Move from tree-nested.c
20323 (walk_stmts): Declare.
20324 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
20326 * cgraphunit.c (cgraph_lower_function): Make static.
20327 (cgraph_finalize_pending_functions): New.
20328 (cgraph_finalize_function): Call it.
20329 (cgraph_finalize_compilation_unit): Likewise.
20330 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
20331 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
20332 (BT_FN_UINT_UINT): New.
20333 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
20334 DEF_FUNCTION_TYPE_VAR_4): Document.
20335 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
20336 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
20337 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
20338 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
20339 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
20340 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
20341 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
20342 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
20343 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
20344 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
20345 into separate files.
20346 (DEF_GOMP_BUILTIN): New.
20347 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
20348 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
20349 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
20350 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
20351 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
20352 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
20353 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
20354 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
20355 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
20356 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
20357 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
20358 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
20359 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
20360 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
20361 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
20362 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
20363 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
20364 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
20365 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
20366 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
20367 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
20368 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
20369 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
20370 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
20371 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
20372 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
20373 * sync-builtins.def: New file, moved from builtins.def.
20374 * omp-builtins.def: New file, moved from builtins.def.
20375 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
20376 * gimple-low.c (lower_function_body): Clear data.
20377 (lower_stmt): Do not handle COMPOUND_EXPR.
20378 Remove call to print_node_brief.
20379 * c-tree.h (c_finish_omp_clauses): New prototype.
20380 (C_DECL_THREADPRIVATE_P): Define.
20381 (lookup_name_no_remap, c_omp_remap_private): Remove
20382 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
20383 (check_for_loop_decls): Update decl.
20384 (lookup_name_no_remap, c_omp_remap_private): Declare.
20385 (build_indirect_ref, build_modify_expr, pushdecl,
20386 pushdecl_top_level): Move to c-common.h.
20387 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
20388 before the switch, but just in the 2 places that need it.
20389 * c-decl.c (diagnose_mismatched_decls): Do not check for
20390 mismatched thread-local attributes when OLDDECL is marked
20391 threadprivate and NEWDECL has no thread-local attributes.
20392 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
20393 (c_gimple_diagnostics_recursively): Rename from
20394 c_warn_unused_result_recursively. Invoke
20395 diagnose_omp_structured_block_errors.
20396 (check_for_loop_decls): Return a singular decl found.
20397 * langhooks.c (lhd_omp_predetermined_sharing): Return
20398 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
20399 (lhd_omp_firstprivatize_type_sizes): New.
20400 (lhd_omp_assignment): New.
20401 (lhd_omp_predetermined_sharing): New.
20402 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
20403 (struct lang_hooks_for_types): Add
20404 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
20405 omp_predetermined_sharing, omp_disregard_value_expr,
20406 omp_private_debug_clause, omp_clause_default_ctor,
20407 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
20408 (c_finish_omp_clauses): New.
20409 (c_finish_bc_stmt): Diagnose break within omp for.
20410 (c_begin_omp_parallel, c_finish_omp_parallel): New.
20411 (build_unary_op): Return error_mark after reporting
20413 (build_modify_expr): Likewise.
20414 * gimplify.c: Include optabs.h and pointer-set.h.
20415 (enum gimplify_omp_var_data): Declare.
20416 (struct gimplify_omp_ctx): Declare.
20417 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
20419 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
20420 (push_gimplify_context, pop_gimplify_context): Allow nesting.
20421 (splay_tree_compare_decl_uid): New.
20422 (new_omp_context): New.
20423 (delete_omp_context): New.
20424 (gimple_add_tmp_var): Call omp_add_variable.
20425 (gimplify_bind_expr): Likewise.
20426 (gimplify_var_or_parm_decl): If omp_notice_variable returned
20427 true, disregard DECL_VALUE_EXPR on the decl if any.
20428 (gimplify_expr_in_ctx): New.
20429 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
20430 omp_add_variable, omp_notice_variable, omp_is_private
20431 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
20432 gimplify_adjust_omp_clauses, gimplify_omp_parallel
20433 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
20434 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
20435 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
20436 gimplify_omp_atomic): New.
20437 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20438 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20439 OMP_CRITICAL and OMP_ATOMIC.
20440 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
20441 * c-pragma.h (enum pragma_kind): Add
20442 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
20443 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
20444 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
20445 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
20446 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
20447 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
20448 PRAGMA_OMP_THREADPRIVATE.
20449 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
20450 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
20451 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
20452 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
20453 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
20454 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
20455 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
20456 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
20457 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
20458 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
20459 * tree-ssa-dce.c (find_control_dependence): Do not assume that
20460 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
20461 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
20463 (struct nesting_info): Add field_map,
20464 suppress_expansion, debug_var_chain.
20465 (create_nesting_tree): Initialize them.
20466 (lookup_field_for_decl): Use field_map.
20467 (get_nonlocal_debug_decl, get_local_debug_decl): New.
20468 (convert_local_omp_clauses): New.
20469 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
20470 (walk_body): Split out of walk_function.
20471 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
20472 (convert_nonlocal_reference): Handle omp statements.
20473 (convert_local_reference): Likewise.
20474 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
20475 (unnest_nesting_tree): New.
20476 (lower_nested_functions): Call it.
20477 (insert_field_into_struct): Make extern.
20478 (struct walk_stmt_info): Move to tree-gimple.h.
20479 (walk_stmts): Make extern.
20480 * omp-builtins.def: New file.
20481 * tree-iterator.c (expr_only): Clarify comment.
20482 * c-common.h (pushdecl_top_level, pushdecl,
20483 build_modify_expr, build_indirect_ref,
20484 c_finish_omp_master, c_finish_omp_critical,
20485 c_finish_omp_ordered, c_finish_omp_barrier,
20486 c_finish_omp_atomic, c_finish_omp_flush,
20487 c_finish_omp_for, c_split_parallel_clauses,
20488 omp_clause_default_kind, c_omp_sharing_predetermined,
20489 c_omp_remap_decl): Declare.
20490 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
20491 (OBJS-common): Add omp-low.o.
20492 (c-omp.o, omp-low.o): Add.
20493 (gimplify.o): Add dependency on $(OPTABS_H).
20494 (GTFILES): Add omp-low.c.
20495 (gt-stringpool.h): Add.
20496 * tree-cfg.c (set_bb_for_stmt): Do not update the
20497 block-to-labels map if we are currently expanding to RTL.
20498 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
20500 Handle IDENTIFIER_NODE.
20501 (tree_verify_flow_info): Do not ICE when emitting error
20502 messages about invalid labels.
20503 (dump_function_to_file): Reset CFUN before emitting the body
20505 (debug_function): New.
20506 * passes.c (init_optimization_passes): Schedule
20508 * langhooks-def.h (lhd_omp_predetermined_sharing,
20509 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
20511 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
20512 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
20513 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
20514 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
20515 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
20516 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
20517 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
20518 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
20519 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
20520 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
20521 (LANG_HOOK_DECLS): Use them.
20523 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
20524 Richard Henderson <rth@redhat.com>
20525 Jakub Jelinek <jakub@redhat.com>
20526 Diego Novillo <dnovillo@redhat.com>
20528 * c-parser.c (pragma_omp_clause): Define.
20529 (c_parser_declaration_or_fndef): Document OpenMP syntax.
20530 (c_parser_compound_statement): Likewise.
20531 (c_parser_statement): Likewise.
20532 (c_parser_pragma): Handle omp pragmas.
20533 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
20534 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
20535 (c_parser_omp_clause_name, check_no_duplicate_clause,
20536 c_parser_omp_variable_list,
20537 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
20538 c_parser_omp_clause_copyprivate,
20539 c_parser_omp_clause_default,
20540 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
20541 c_parser_omp_clause_lastprivate,
20542 c_parser_omp_clause_nowait,
20543 c_parser_omp_clause_num_threads,
20544 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
20545 c_parser_omp_clause_reduction,
20546 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
20547 c_parser_omp_all_clauses, c_parser_omp_structured_block,
20548 c_parser_omp_atomic, c_parser_omp_barrier,
20549 c_parser_omp_critical, c_parser_omp_flush,
20550 c_parser_omp_for_loop, c_parser_omp_for,
20551 c_parser_omp_master, c_parser_omp_ordered,
20552 c_parser_omp_sections_scope, c_parser_omp_sections,
20553 c_parser_omp_parallel, c_parser_omp_single,
20554 c_parser_omp_construct, c_parser_omp_threadprivate): New.
20555 * c-pragma.c (init_pragma): Do omp pragma registration here.
20556 * c.opt (fopenmp): New flag.
20558 2006-01-18 Eric Christopher <echristo@apple.com>
20560 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
20561 * config/darwin.h (GOMP_SELF_SPECS): Define.
20563 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20565 * rtl.h: Remove the prototype for reg_alloc.
20567 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20570 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
20571 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
20572 sjlj and dwarf2 exception handling.
20573 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
20574 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
20575 * pa/pa.c (function_value): Treat complex and vector types as
20577 (function_arg): Likewise. Only pass scalar floats in the floating
20578 point argument registers.
20579 * pa/t-slibgcc-dwarf-ver: New file.
20580 * pa/t-slibgcc-sjlj-ver: New file.
20581 * pa/t-slibgcc-elf-ver: Delete file.
20583 2006-01-19 Alan Modra <amodra@bigpond.net.au>
20585 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
20586 unlikely_test_section_p test.
20588 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20590 * mode-switching.c (optimize_mode_switching): Make it static.
20591 * basic-block.h: Remove the prototype for
20592 optimize_mode_switching.
20594 * modulo-sched.c (sms_schedule): Make it static.
20595 * rtl.h: Remove the prototype for sms_schedule.
20597 * postreload-gcse.c (gcse_after_reload_main): Make it static.
20598 * rtl.h: Remove the prototype for gcse_after_reload_main.
20600 * reg-stack.c (reg_to_stack): Make it static.
20601 * rtl.h: Remove the prototype for reg_to_stack.
20603 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
20605 * rtl.h: Remove the prototypes for regrename_optimize and
20606 copyprop_hardreg_forward.
20608 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
20610 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
20611 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
20612 Test against the appropriate null constant for the mode.
20613 If 'fixup_overlap' is true, swap the operands if they overlap.
20614 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
20615 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
20616 alpha_split_tmode_pair and adjust for above change.
20617 * config/alpha/alpha.md (movtf_internal): Adjust call to
20618 alpha_split_tfmode_pair and rely on it to swap the operands.
20619 (movti_internal): New insn and post-reload splitter.
20620 (movti): New expander.
20622 2006-01-18 Philippe De Muyter <phdm@macqel.be>
20624 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
20627 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
20629 * rtlanal.c (global_reg_mentioned_p_1,
20630 global_reg_mentioned_p): Remove.
20631 * rtl.h: Remove the prototype for global_reg_mentioned_p.
20633 * flow.c (initialize_uninitialized_subregs): Make it static.
20634 * rtl.h: Remove the prototype for
20635 initialize_uninitialized_subregs.
20637 * function.c (instantiate_virtual_regs): Make it static.
20638 * function.h: Remove the prototype for
20639 instantiate_virtual_regs.
20641 * regmove.c (regmove_optimize, combine_stack_adjustments):
20643 * rtl.h: Remove the prototypes for regmove_optimize and
20644 combine_stack_adjustments.
20646 2006-01-17 Roger Sayle <roger@eyesopen.com>
20648 * config/i386/i386.c (COSTS_N_BYTES): New macro.
20649 (size_cost): Encode costs in bytes so that a reg-reg addition is
20650 equivalent to COSTS_N_INSNS(1).
20651 (override_options): Use the size_cost.branch_cost as the default
20652 ix86_branch_cost when optimizing for size.
20654 2006-01-18 Ben Elliston <bje@au.ibm.com>
20656 * Makefile.in (D32PBIT_FUNCS): New.
20657 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
20658 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
20659 D64PBIT_FUNCS and D128PBIT_FUNCS.
20660 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
20661 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
20663 (decnumber_dep): Define.
20664 * doc/libgcc.texi (Decimal float library routines): New node.
20665 * config/dfp-bit.h, config/dfp-bit.c: New files.
20667 2006-01-18 Ben Elliston <bje@au.ibm.com>
20669 * expr.c (emit_move_change_mode): Always adjust addresses, not
20670 just during reload. Copy replacements only during reload.
20671 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
20672 emit_move_via_integer.
20674 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
20676 * Makefile.in (check-%, check-consistency): Use $${srcdir}
20677 instead of $(srcdir) and ${srcdir}.
20679 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
20682 PR middle-end/11135
20683 * arm.h (struct machine_function): Add pic_reg.
20684 * arm.c (arm_pic_register): Make unsigned.
20685 (arm_override_options): Only set arm_pic_register if
20686 TARGET_SINGLE_PIC_BASE.
20687 (use_return_insn): Only test for a pic register if it is fixed.
20688 (arm_compute_save_reg0_reg12_mask): Likewise.
20689 (thumb_compute_save_reg_mask): Likewise.
20690 (legitimate_pic_operand): Factor out some known invariants.
20691 (legitimize_pic_address): If we don't have a fixed pic register,
20692 then set up a pseudo in the function entry sequence. Handle the
20693 pic base being in a pseudo.
20694 (arm_load_pic_register): Handle the pic register being in a pseudo.
20695 (arm_expand_prologue): Only set up the pic register if it is fixed.
20696 (thumb_expand_prologue): Likewise.
20697 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
20698 (pic_load_addr_based_insn): Likewise.
20699 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
20702 2006-01-18 Ben Elliston <bje@au.ibm.com>
20704 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
20705 decimal float modes for all floating point registers.
20707 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
20708 match_code "mem" with match_test "macho_lo_sum_memory_operand".
20710 2006-01-17 Jakub Jelinek <jakub@redhat.com>
20713 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
20714 even when the pointer is not NULL.
20716 2006-01-16 Ian Lance Taylor <ian@airs.com>
20718 * common.opt (ftoplevel-reorder): New option.
20719 * cgraph.c (cgraph_asm_nodes): New global variable.
20720 (cgraph_asm_last_node): New static variable.
20721 (cgraph_order): New global variable.
20722 (cgraph_create_node): Set new order field.
20723 (cgraph_varpool_node): Likewise.
20724 (decide_is_variable_needed): Return true if not
20725 flag_toplevel_reorder.
20726 (cgraph_add_asm_node): New function.
20727 * cgraph.h (struct cgraph_node): Add order field.
20728 (struct cgraph_varpool_node): Add order field.
20729 (struct cgraph_asm_node): Define.
20730 (cgraph_asm_nodes, cgraph_order): Declare.
20731 (cgraph_add_asm_node): Declare.
20732 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
20734 (cgraph_varpool_assemble_pending_decls): Call it.
20735 (cgraph_output_pending_asms): New static function.
20736 (cgraph_finalize_compilation_unit): Call it.
20737 (struct cgraph_order_sort): Define.
20738 (cgraph_output_in_order): New static function.
20739 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
20740 !flag_toplevel_reorder case.
20741 * c-parser.c: Include "cgraph.h".
20742 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
20744 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
20745 than -fno-unit-at-a-time.
20746 * doc/invoke.texi (Option Summary): Mention
20747 -fno-toplevel-reorder.
20748 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
20749 -funit-at-a-time documentation.
20751 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
20752 Kazu Hirata <kazu@codesourcery.com>
20754 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
20756 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
20758 * Makefile.in (FUNCTION_H): New. Use it instead of
20759 function.h throughout the file.
20760 * function.h: Include tree.h.
20762 2006-01-17 Ben Elliston <bje@au.ibm.com>
20764 * recog.c: Separate some functions with whitespace.
20766 2006-01-16 Richard Henderson <rth@redhat.com>
20768 Merge from gomp branch:
20769 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
20770 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
20771 and rename from struct inline_data. Rename callee* to dst*;
20772 caller* to src*; add copy_decl hook, transform_call_graph_edges,
20773 transform_new_cfg, transform_return_to_modify, and
20774 transform_lang_insert_block flags; remove cloning_p, versioning_p,
20776 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
20777 (copy_decl_for_dup): Remove.
20778 * tree-inline.c (struct inline_data): Move to header.
20779 (insert_decl_map): Export.
20780 (remap_decl): Update for member name changes. Use copy_decl hook.
20781 Allow for replacement to be a non-decl. Remove dead code.
20782 (remap_type_1): Check for existing mapping.
20783 (remap_type): Export.
20784 (remap_decls): Update for member name changes.
20785 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
20786 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
20787 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
20788 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
20789 (tree_function_versioning, build_duplicate_type): Likewise.
20790 (copy_body_r): Likewise. Export.
20791 (copy_decl_for_dup): Split into ...
20792 (copy_decl_for_dup_finish, copy_decl_to_var,
20793 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
20794 (replace_ref_tree, inlining_p): Remove.
20796 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20798 * ifcvt.c (if_convert): Make it static.
20799 * rtl.h: Remove the prototype for if_convert.
20801 * local-alloc.c (local_alloc): Make it static.
20802 * rtl.h: Remove the prototype for local_alloc.
20804 * loop.c (loop_optimize): Make it static.
20805 * cfgloop.h: Remove the prototype for loop_optimize.
20808 2006-01-16 DJ Delorie <dj@redhat.com>
20810 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
20813 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20815 * pa.md: Disparage copies between general and floating-point registers
20816 in 32-bit move patterns.
20818 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
20821 * Makefile.in (check-%): Depend on site.exp instead of
20822 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
20825 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20827 * global.c (global_alloc): Make it static.
20828 * rtl.h: Remove the prototype for global_alloc.
20830 2006-01-16 Richard Guenther <rguenther@suse.de>
20832 * tree-ssa-alias.c (struct used_part): Add write_only field.
20833 (get_or_create_used_part_for): Initialize it to true.
20834 (create_overlap_variables_for): Don't create structure variables
20835 for structures that only are written to.
20836 (find_used_portions): Handle MODIFY_EXPR to track whether a
20837 structure is only written to.
20839 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20841 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
20843 * basic-block.h: Remove the prototype for
20844 partition_hot_cold_basic_blocks.
20846 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
20848 * cppspec.c (lang_specific_spec_functions): Remove.
20849 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
20850 * gcc.h (lang_specific_spec_functions): Remove.
20851 * gccspec.c (lang_specific_spec_functions): Remove.
20853 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
20855 * combine.c (record_value_for_reg): Invalidate registers
20857 (record_dead_and_set_regs_1): Likewise, by passing them to
20858 record_value_for_reg.
20859 (record_dead_and_set_regs): Invalidate stores made by a
20860 call. We do not combine across a call, but we still
20861 relied on equivalences.
20863 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20865 * tree-vrp.c (extract_range_from_binary_expr): Cope with
20866 vrp_int_const_binop returning non-constant nodes.
20868 2006-01-16 Paul Brook <paul@codesourcery.com>
20870 * config/m68k/m68k.c (output_move_const_into_data_reg):
20871 Output correct mnemonic for mvz and mvs.
20873 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
20875 * rtl-factoring.c: Add sequence abstraction algorithm.
20876 * cfgcleanup.c (outgoing_edges_match): Extra checks.
20877 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
20879 (block_has_preserve_label): New function.
20880 * common.opt: Register new pass.
20881 * Makefile.in: Ditto.
20883 * timevar.def: Ditto.
20884 * tree-pass.h: Ditto.
20885 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
20886 * rtl.h (make_jump_insn_raw): Add forward decl.
20887 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
20889 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
20890 Roger Sayle <roger@eyesopen.com>
20892 * fold-const.c (fold_minmax): New static function.
20893 (fold_binary) <MIN_EXPR>: Call it.
20894 <MAX_EXPR>: Likewise.
20895 * stor-layout.c (place_field): Use DECL_SIZE consistently
20896 in the computation of the new record size.
20898 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
20900 * cse.c (cse_condition_code_reg): Make it static.
20901 * rtl.h: Remove the prototype for cse_condition_code_reg.
20903 * combine.c (combine_instructions): Make it static.
20904 * rtl.h: Remove the prototype for combine_instructions.
20906 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
20909 * tree.c (get_file_function_name_long): Concatenate the first global
20910 object name with a string derived from the input filename of the object
20913 2006-01-16 Ben Elliston <bje@au.ibm.com>
20915 * config/i386/winnt-stubs.c: Update FSF address.
20916 * config/xtensa/ieee754-df.S: Ditto.
20917 * config/xtensa/ieee754-sf.S: Ditto.
20919 2006-01-14 Ian Lance Taylor <ian@airs.com>
20921 * ifcvt.c (noce_init_if_info): New static function, broken out of
20922 noce_process_if_block.
20923 (noce_process_if_block): Call noce_init_if_info.
20924 (check_cond_move_block): New static function.
20925 (cond_move_process_if_block): New static function.
20926 (process_if_block): Call cond_move_process_if_block.
20928 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
20930 * cselib.c (hash_table): Rename to cselib_hash_table.
20931 (cselib_clear_table, discard_useless_values,
20932 remove_useless_values, cselib_lookup_mem, cselib_lookup,
20933 cselib_init, cselib_finish): Adjust uses of hash_table.
20935 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
20937 PR tree-optimization/25485
20938 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
20939 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
20940 is known to be false and true, respectively.
20942 2006-01-14 Richard Guenther <rguenther@suse.de>
20944 PR tree-optimization/22548
20945 PR tree-optimization/22555
20946 PR tree-optimization/22501
20947 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
20948 * params.def (salias-max-array-elements): New parameter.
20949 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
20950 * doc/invoke.texi (salias-max-array-elements): Document.
20951 * tree-flow-inline.h (var_can_have_subvars): We also handle
20953 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
20955 * tree-ssa-structalias.c (params.h): Include.
20956 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
20957 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
20958 (get_constraint_for): For ADDR_EXPR operating on something
20959 containing an ARRAY_REF, add all subvars to the solution.
20960 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
20961 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
20962 for creating MUST_DEFs.
20963 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
20965 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
20967 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
20969 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
20970 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
20971 number_of_iterations_le): New functions.
20972 (number_of_iterations_special): Removed.
20973 (number_of_iterations_exit): Do not use number_of_iterations_special.
20974 * tree.c (unsigned_type_for): Always return integer type.
20976 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
20977 Richard Guenther <rguenther@suse.de>
20979 PR rtl-optimization/24257
20980 * gcse.c (find_moveable_store): Only consider a store movable
20981 when the SET_SRC of the insn can be assigned to a register.
20983 2006-01-14 Ian Lance Taylor <ian@airs.com>
20985 * tree.c (tree_not_class_check_failed): New function.
20986 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
20987 (tree_not_class_check_failed): Declare.
20989 2006-01-13 Ian Lance Taylor <ian@airs.com>
20991 * reload1.c (do_output_reload): Add assertion rejecting a
20994 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
20996 * combine.c (struct reg_stat): Add new fields truncation_label and
20998 (record_value_for_reg): Reset truncated_to_mode.
20999 (record_truncated_value): New function.
21000 (check_promoted_subreg): Call it. Rename to check_conversions.
21001 (combine_instructions): Rename check_promoted_subreg to
21003 (reg_truncated_to_mode): New function.
21004 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
21005 (gen_lowpart_or_truncate): New function.
21006 (force_to_mode): Use it instead of gen_lowpart.
21008 2006-01-13 Diego Novillo <dnovillo@redhat.com>
21010 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
21011 VAR is a tag, not its type tag.
21013 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
21015 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
21016 alternatives to match style of other entries.
21017 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
21019 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
21021 PR tree-optimization/25771
21022 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
21025 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
21028 * tree-inline.c (declare_return_variable): If the return variable
21029 was marked as a non gimple complex, set the return slot variable
21030 to be a non gimple comple variable.
21032 2006-01-13 Richard Guenther <rguenther@suse.de>
21034 * builtins.c (expand_builtin_sincos): New function.
21035 (expand_builtin_mathfn_3): Remove dead code, sin and cos
21037 (expand_builtin): Expand sincos using expand_builtin_sincos.
21039 2006-01-12 DJ Delorie <dj@redhat.com>
21041 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
21042 shift counts, separate SI shifts for m32c vs m16c, pass shift type
21043 so that constant shifts can be split.
21044 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
21045 (m32c_valid_pointer_mode): Make static.
21046 (shift_gen_func_for): New.
21047 (m32c_prepare_shift): Use it. Split large const shifts into
21049 * config/m32c/predicates.md (shiftcount_operand): Allow more
21051 (longshiftcount_operand): New.
21052 * doc/md.texi (Machine Constraints): Document In6.
21054 2006-01-13 Ben Elliston <bje@au.ibm.com>
21056 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
21057 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
21060 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
21062 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
21063 to try to avoid clobbering pieces of structures when we know
21064 something about the whole structure.
21065 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
21067 2006-01-13 Ben Elliston <bje@au.ibm.com>
21069 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
21070 return in memory, as this is no limitation is no longer present.
21072 2006-01-12 DJ Delorie <dj@redhat.com>
21074 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
21075 mova with fb, and for fb+0 -> An.
21077 * config/m32c/mov.md (peephole2): Fix enabling logic.
21079 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
21080 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
21081 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
21082 FINI_ARRAY_SECTION_ASM_OP): Define.
21084 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
21086 (m32c_legitimize_reload_address): New logic to reload FB to An.
21087 (m32c_output_reg_push): Add newline.
21088 (m32c_output_reg_pop): Likewise.
21090 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
21092 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
21094 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
21096 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
21098 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21100 * config/sh/predicates.md (sh_rep_vec): Add parallel to
21103 2006-01-11 Ben Elliston <bje@au.ibm.com>
21105 * rtlanal.c (find_reg_note): Assert insn is not null.
21107 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21109 * df-scan.c (df_hard_reg_init): Move declaration of i outside
21112 2006-01-11 Jeff Law <law@redhat.com>
21114 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
21116 (mark_threaded_blocks, register_jump_thread): New functions.
21117 (thread_through_all_blocks): Remove unwanted argument. No
21118 longer rely on e->aux to communicate thread target info.
21119 Call mark_threaded_blocks. Release the threaded_blocks
21120 bitmap and threaded_edges vector when complete.
21121 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
21122 (threaded_blocks): Remove.
21123 (tree_ssa_dominator_optimize): Remove initialization and
21124 finalization of threaded_blocks. Simplify call to
21125 thread_through_all_blocks.
21126 (thread_across_edge): Call register_jump_thread rather than
21127 storing thread information into e->aux.
21128 (free_all_edge_infos): Simplify now that e->aux is no longer
21129 used to communicate with thread_through_all_blocks.
21130 * tree-flow.h (thread_through_all_blocks): Update prototype.
21131 (register_jump_thread): Prototype.
21133 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21135 * df-core.c (df_compact_blocks, df_bb_replace): Use
21136 SET_BASIC_BLOCK instead of BASIC_BLOCK.
21138 2006-01-11 Richard Guenther <rguenther@suse.de>
21140 PR tree-optimization/25734
21141 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
21142 stop propagation after successful propagation to the LHS.
21144 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
21146 * basic-block.h (control_flow_graph): Change the type of
21147 x_basic_block_info to VEC(basic_block,gc) *.
21148 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
21150 (SET_BASIC_BLOCK): New.
21151 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
21152 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
21153 * cfgbuild.c (find_basic_blocks): Likewise.
21154 * cfglayout.c (fixup_reorder_chain): Likewise.
21155 * cfgrtl.c (create_basic_block_structure,
21156 rtl_create_basic_block): Likewise.
21157 * ifcvt.c (find_if_case_1): Likewise.
21158 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
21161 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
21163 * Makefile.in: Removed rotted odf.c entry.
21165 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
21168 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
21169 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
21170 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
21171 output pattern modifier, not %e.
21172 * config/cris/cris.c (cris_op_str): Update comment about pattern
21174 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
21175 before falling through into...
21176 <case 'E'>: Redefined from old 'e' case.
21178 2006-01-11 Jan Hubicka <jh@suse.cz>
21181 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
21183 2006-01-11 Jan Hubicka <jh@suse.cz>
21185 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
21186 * i386.c (x86_decompose_lea): Kill.
21187 (ix86_rtx_costs): Kill.
21189 2006-01-11 Jan Hubicka <jh@suse.cz>
21191 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
21192 * cgraph.h (cgraph_node): Add inline_decl.
21193 (cgraph_insert_node_to_hashtable): Declare.
21194 (save_inline_function_body): Declare.
21195 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
21197 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
21198 (cgraph_function_versioning): Update call of tree_function_versioning.
21199 (save_inline_function_body): New function.
21200 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
21201 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
21202 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
21203 (cgraph_default_inline_p): Likewise.
21204 (cgraph_decide_inlining_incrementally): Likewise.
21205 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
21206 (copy_bb): Kill saving; do updating of clones.
21207 (copy_cfg_body): Kill saving.
21208 (initialize_inlined-parameters): Likewise.
21209 (expand_call_inline): Likewise.
21211 (tree_function_versioning): New parameter "update_clones".
21212 (inlining_p): Kill saving.
21213 * tree-inline.h (tree_function_versioning): Update prototype.
21214 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
21217 2006-01-11 Ian Lance Taylor <ian@airs.com>
21219 * combine.c (struct undo): Remove is_int. Enumify types of undos.
21220 Allow undoing set of machine mode.
21221 (do_SUBST): Use enums instead of is_int.
21222 (do_SUBST_MODE): New function.
21223 (SUBST_MODE): New macro.
21224 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
21225 reg and trying to replace reg_regno_rtx with a new register.
21226 (undo_all): Use new enums, handle undoing a PUT_MODE change.
21227 (simplify_set): Use SUBST_MODE.
21228 (distribute_notes): Remove code that tried to update reg notes
21229 for regno_reg_rtx changes.
21231 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
21233 PR tree-optimization/23109
21234 PR tree-optimization/23948
21235 PR tree-optimization/24123
21237 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
21238 * tree-cfg.c (single_noncomplex_succ): New.
21239 * tree-flow.h (single_noncomplex_succ): Declare it.
21240 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21241 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
21242 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
21243 insert_bb, register_division_in, insert_reciprocals,
21244 replace_reciprocal, free_bb): New.
21245 (execute_cse_reciprocals_1): Rewritten.
21246 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
21247 Do not commit any edge insertion. Always compute dominators and
21248 create the allocation pool.
21249 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
21250 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
21251 * targhooks.c (default_min_divistions_for_recip_mul): New.
21252 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
21253 * passes.c (init_optimization_passes): Run recip after tree loop
21255 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
21257 2006-01-11 Danny Berlin <dberlin@dberlin.org>
21258 Kenneth Zadeck <zadeck@naturalbridge.com>
21260 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
21261 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
21262 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
21263 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
21264 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
21265 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
21266 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
21267 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
21268 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
21269 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
21270 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
21271 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
21272 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
21273 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
21274 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
21275 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
21276 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
21277 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
21278 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
21279 DF_SCAN_POST_ALLOC): New macros.
21280 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
21281 df_free_bb_function, df_local_compute_function, df_init_function,
21282 df_dataflow_function, df_confluence_function_0,
21283 df_confluence_function_n, df_transfer_function,
21284 df_finalizer_function, df_free_function, df_dump_problem_function,
21285 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
21286 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
21287 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
21288 df_urec_bb_info, ) New types.
21289 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
21291 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
21292 df_analyze_simple_change_some_blocks,
21293 df_analyze_simple_change_one_block, df_compact_blocks,
21294 df_bb_replace, df_bb_regno_last_use_find,
21295 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
21296 df_insn_regno_def_p, df_find_def, df_find_use,
21297 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
21298 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
21299 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
21300 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
21301 debug_df_chain, df_get_dependent_problem, df_chain_create,
21302 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
21303 df_grow_bb_info, df_chain_dump, df_print_bb_index,
21304 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
21305 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
21306 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
21307 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
21308 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
21309 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
21310 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
21311 df_ref_remove, df_insn_refs_delete, df_refs_delete,
21312 df_reorganize_refs, df_set_state, df_hard_reg_init,
21313 df_read_modify_subreg_p) New public functions.
21314 * df-core.c: The core dataflow solver and glue routines for rtl
21316 (df_init, df_add_problem, df_set_blocks, df_finish,
21317 df_hybrid_search_forward, df_hybrid_search_backward,
21318 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
21319 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
21320 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
21321 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
21322 df_reg_defined, df_find_use, df_reg_used, df_dump,
21323 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
21324 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
21325 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
21326 debug_df_useno, reset_df_after_reload): New functions.
21327 * df-scan.c: The scanning fuctions, once in df.c, completely
21328 rewritten so that they now fully model the functionality of
21329 register usage at the backend.
21330 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
21331 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
21332 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
21333 df_grow_insn_info, df_rescan_blocks, df_ref_create,
21334 df_get_artificial_defs, df_get_artificial_uses,
21335 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
21336 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
21337 df_refs_delete, df_reorganize_refs, df_set_state,
21338 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
21339 df_def_record_1, df_defs_record, df_uses_record,
21340 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
21341 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
21342 df_record_exit_block_uses, df_hard_reg_init): New functions.
21344 * df-problems.c: Seven concrete dataflow problems that use the
21345 scanning in df-scan.c and are solved by the engine in df-core.c.
21346 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
21347 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
21348 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
21349 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
21350 df_ru_free_bb_info, df_ru_alloc,
21351 df_ru_bb_local_compute_process_def,
21352 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
21353 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
21354 df_ru_transfer_function, df_ru_free, df_ru_dump,
21355 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
21356 df_rd_free_bb_info, df_rd_alloc,
21357 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
21358 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
21359 df_rd_transfer_function, df_rd_free, df_rd_dump,
21360 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
21361 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
21362 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
21363 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
21364 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
21365 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
21366 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
21367 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
21368 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
21369 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
21370 df_urec_mark_reg_change, df_urec_check_earlyclobber,
21371 df_urec_mark_reg_use_for_earlyclobber,
21372 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
21373 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
21374 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
21375 df_urec_dump, df_urec_add_problem, df_chain_alloc,
21376 df_chain_create_bb_process_use, df_chain_create_bb,
21377 df_chain_finalize, df_chain_free, df_chains_dump,
21378 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
21379 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
21380 df_reg_lifetime): New functions.
21381 * df.c: Deleted file.
21382 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
21383 consistent with new df api.
21384 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
21385 rest_of_handle_sms): Ditto.
21386 * web.c (unionfind_union, union_defs, entry_register, web_main):
21388 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
21389 invariant_expr_equal_p, find_defs, check_dependencies,
21390 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
21391 free_inv_motion_data, move_loop_invariants): Ditto.
21392 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
21393 Update dependencies.
21394 (odf.c): Added defective entry that was deleted later in day.
21395 * sched-deps.c (sched_analyze_1): Ditto.
21397 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
21399 * tree-ssa-operands.c (get_expr_operands): Record addressable
21400 variables directly. Do not call add_stmt_operands for CONST_DECLs
21402 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
21403 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
21405 2006-01-11 Ben Elliston <bje@au.ibm.com>
21407 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
21408 function returns true in the positive case.
21410 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21413 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
21414 for SI, DI, SF and DF modes. Add alternatives to copy between
21415 general and floating point registers to the 32-bit patterns.
21416 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
21417 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
21418 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
21419 generating 64-bit code.
21420 * config/pa/pa.c (output_move_double): Handle copies between general
21421 and floating registers.
21423 2006-01-10 Stuart Hastings <stuart@apple.com>
21425 * config/i386/i386.md (set_got): Update.
21426 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
21427 (builtin_setjmp_receiver): Mach-O support.
21428 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
21429 (GOT_SYMBOL_NAME): Define.
21430 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
21431 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
21432 * config/i386/i386.c (override_options): Revise for Darwin.
21433 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
21434 support. (darwin_x86_file_end): New. (output_set_got): Add label
21435 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
21436 * config/i386/i386-protos.h (output_set_got): Likewise.
21437 * config/darwin.c (machopic_legitimize_pic_address): Update
21440 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
21442 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
21443 when MODE isn't BLKmode.
21445 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
21447 PR rtl-optimization/25367
21448 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
21450 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
21453 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
21454 for a negative bound.
21456 2006-01-10 Richard Guenther <rguenther@suse.de>
21458 * tree-ssa-structalias.c (get_constraint_for_component_ref):
21459 Never override with anything constraint.
21461 2006-01-10 Jan Beulich <jbeulich@novell.com>
21463 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
21464 256 bits when optimize_size.
21466 2006-01-10 Jan Beulich <jbeulich@novell.com>
21468 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
21470 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
21471 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
21474 2006-01-10 Ben Elliston <bje@au.ibm.com>
21476 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
21478 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
21479 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
21480 (USE_FP_FOR_ARG): Reject decimal float modes.
21481 (function_arg_advance): Likewise.
21482 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
21483 (rs6000_handle_altivec_attribute): Do not permit decimal floating
21484 point types in AltiVec vectors.
21485 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
21486 (rs6000_libcall_value): Likewise.
21488 2006-01-09 Bob Wilson <bob.wilson@acm.org>
21490 * config/xtensa/ieee754-df.S: New file.
21491 * config/xtensa/ieee754-sf.S: New file.
21492 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
21493 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
21494 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
21496 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
21498 * config/sh/predicates.md (binary_float_operator,
21499 binary_logical_operator, commutative_float_operator,
21500 equality_comparison_operator, greater_comparison_operator,
21501 less_comparison_operator, logical_operator,
21502 noncommutative_float_operator, shift_operator,
21503 symbol_ref_operand, unary_float_operator): Remove redundant
21506 2006-01-09 Jeff Law <law@redhat.com>
21508 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
21509 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
21510 now unused arguments. Callers updated.
21511 (eliminate_redundant_computations): Remove now unused arguments,
21513 (local_fold): Remove, no longer used.
21514 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
21516 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
21517 (simplify_cond): New function.
21518 (forward_propagate_into_cond): Call simplify_cond.
21520 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
21522 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
21523 (*vec_extractv2di_1_sse): New.
21525 2006-01-09 Ben Elliston <bje@au.ibm.com>
21527 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
21529 2006-01-08 Richard Guenther <rguenther@suse.de>
21531 * tree-ssa-structalias.c (get_constraint_for): Remove
21532 anyoffset argument.
21533 (get_constraint_for_component_ref): Likewise.
21534 (do_deref): Likewise.
21535 (get_constraint_for): Likewise.
21536 (do_structure_copy): Likewise.
21537 (handle_ptr_arith): Likewise.
21538 (find_func_aliases): Likewise. Remove unused need_anyoffset
21541 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
21542 Kaz Kojima <kkojima@gcc.gnu.org>
21544 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
21545 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
21546 (EXTRA_CONSTRAINT_C16): Remove.
21547 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
21548 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
21549 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
21550 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
21551 constants of SHmedia. Handle nested constant expressions of
21553 (andcosts): Fix the costs for SHmedia constants.
21554 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
21555 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
21556 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
21557 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
21558 (movv4hi_i, movv2si_i): Likewise.
21559 (movsi_const): Adjust the second operand of ior so to match with
21560 the Csu constraint.
21561 (movdi_const, movdi_const_32bit): Likewise.
21562 (movdi_const_16bit+1): Don't sign-extend LOW.
21563 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
21565 (*double_shori): Fix the split condition. Use GEN_INT instead
21566 of get_int_mode calls. Mask lower 16-bit of the argument of
21568 (sym2GOTPLT): Remove.
21569 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
21571 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
21572 instead of EXTRA_CONSTRAINT_C16.
21574 2006-01-07 Ian Lance Taylor <ian@airs.com>
21575 David Edelsohn <edelsohn@gnu.org>
21577 PR rtl-optimization/25662
21578 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
21579 for constant operands instead of simplify_gen_binary.
21580 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
21581 after trying simplify_binary_operation
21583 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
21585 * tree.c (iterative_hash_expr): Hash decls based on UID.
21587 2006-01-06 Eric Christopher <echristo@apple.com>
21589 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
21590 (TARGET_UNWIND_EMIT): Fix spelling.
21591 * target.h (gcc_target): Add except_table_label.
21592 * except.c (output_function_exception_table): Use.
21593 * varasm.c (default_emit_except_table_label): New.
21594 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
21596 (asm_out): Add here.
21597 * output.h (default_emit_except_table_label): Prototype.
21598 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
21599 * config/darwin.c (darwin_emit_except_table_label): Define.
21600 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
21602 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
21604 PR tree-optimization/18527
21605 * tree-ssa-loop-niter.c (number_of_iterations_cond,
21606 number_of_iterations_special, number_of_iterations_exit):
21607 Move base and step of an iv to a single structure. Add
21608 no_overflow flag, and use it in # of iterations analysis.
21609 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
21610 folded_casts argument.
21611 (simple_iv): Pass base and step in a structure. Set no_overflow
21613 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
21614 Evaluate expensiveness of computing # of iterations instead of
21615 the final expression.
21616 * tree-scalar-evolution.h (affine_iv): New structure.
21617 (simple_iv): Declaration changed.
21618 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
21619 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
21620 find_givs_in_stmt): Changed due to simple_iv change.
21622 2006-01-06 Jeff Law <law@redhat.com>
21625 * tree-cfg.c (bsi_replace): Rename final argument from
21626 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
21627 change (stmt -> orig_stmt).
21628 * tree-eh.c (verify_eh_throw_stmt_node): New function.
21629 (bsi_remove): Add new argument. Remove EH information
21631 (verify_eh_throw_table_statements): New function.
21632 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
21634 * tree-optimize.c (execute_free_cfg_annotations): Verify
21635 the EH throw statement table after removing annotations.
21636 * except.h (verify_eh_throw_table_statements): Prototype.
21637 * tree-flow.h (bsi_remove): Update prototype.
21638 * tree-vrp.c (remove_range_assertions): Add new argument to
21640 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
21641 * tree-complex.c (expand_complex_div_wide): Likewise.
21642 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
21643 * tree-tailcall.c (eliminate_tailcall): Likewise.
21644 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
21645 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
21646 * tree-nrv.c (tree_nrv): Likewise.
21647 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
21648 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
21649 (combine_blocks): Likewise.
21650 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
21651 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
21652 (cleanup_control_flow): Likewise.
21653 (remove_forwarder_block): Likewise.
21654 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
21655 * tree-sra.c (sra_replace): Likewise.
21656 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
21657 (forward_propagate_single_use_vars): Likewise.
21658 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
21659 * tree-inline.c (expand_call_inline): Likewise.
21660 * tree-vect-transform.c (vect_transform_loop): Likewise.
21661 * tree-outof-ssa.c (rewrite_trees): Likewise.
21662 * tree-cfg.c (make_goto_expr_edges): Likewise.
21663 (cleanup_dead_labels): Likewise.
21664 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
21665 (bsi_move_before, bsi_move_after): Likewise.
21666 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
21667 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
21669 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
21672 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
21674 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
21675 on non gimple variables. Also add checks at the top for decls and
21677 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
21679 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
21680 and IMAGPART_EXPR for creating MUST_DEFs.
21681 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
21682 and NAME_MEMORY_TAG separately from the DECLs.
21684 2006-01-06 Richard Guenther <rguenther@suse.de>
21686 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
21687 annotation, if necessary.
21688 * tree-ssa-pre.c (create_expression_by_pieces): Remove
21689 redundant calls to update_stmt.
21690 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
21693 2006-01-05 Richard Henderson <rth@redhat.com>
21695 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
21697 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21699 * c-typeck.c: Update copyright date.
21701 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
21703 * c-typeck.c (build_c_cast): Always warn when casting
21704 from a pointer to an integer of different size, even if
21705 the node was constant.
21707 2006-01-05 Richard Guenther <rguenther@suse.de>
21709 PR tree-optimization/22555
21710 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
21711 if one structure field is an array.
21712 * tree-ssa-operands.c (get_expr_operands): Continue scanning
21713 operands even if we found a subvar, but ignore VOPs in this
21715 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
21717 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
21719 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
21721 PR middle-end/24998
21722 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
21724 2006-01-05 Richard Guenther <rguenther@suse.de>
21725 Diego Novillo <dnovillo@redhat.com>
21727 * tree-pass.h (TODO_remove_unused_locals): Define.
21728 * gimple-low.c (expand_var_p, remove_useless_vars,
21729 pass_remove_useless_vars): Remove. Update all users.
21730 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
21731 (remove_unused_locals): New function.
21732 * tree-flow.h (remove_unused_locals): Declare.
21733 * passes.c (execute_todo): Call remove_unused_locals if
21734 TODO_remove_unused_locals is set.
21735 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
21736 * tree-ssa-dce.c (pass_dce): Likewise.
21737 * tree-outof-ssa.c (pass_del_ssa): Likewise.
21739 2006-01-05 Richard Guenther <rguenther@suse.de>
21741 * tree-flow.h (struct fieldoff): Decompose field to
21742 type, size and decl.
21743 * tree-ssa-alias.c (create_sft): Take type as parameter.
21744 (create_overlap_variables_for): Store type, size and decl
21745 in the fieldoff structure.
21746 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
21747 of struct fieldoff.
21748 (push_fields_onto_fieldstack): Likewise.
21749 (create_variable_info_for): Likewise. Use offset for the
21750 SFT name if the decl is not available.
21752 2006-01-04 Paul Brook <paul@codesourcery.com>
21754 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
21756 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
21758 * lambda-code.c (can_put_in_inner_loop): Relax
21760 (can_put_after_inner_loop): New function.
21761 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
21762 (perfect_nestify): Change to make copies and modify uses.
21764 2006-01-04 Richard Henderson <rth@redhat.com>
21766 Merge from gomp branch:
21767 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
21768 via integer constant.
21769 (pragma_lex): Remove.
21770 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
21771 rather than parsing it.
21772 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
21773 handle_pragma_extern_prefix): Add %< %> quotes.
21774 (registered_pragmas): New.
21775 (c_register_pragma_1): New.
21776 (c_register_pragma): Use it.
21777 (c_register_pragma_with_expansion): Likewise.
21778 (c_invoke_pragma_handler): New.
21779 (init_pragma): Use cpp_register_deferred_pragma directly for
21781 * c-pragma.h (enum pragma_kind): New.
21782 (pragma_handler): New.
21783 (c_invoke_pragma_handler): Declare.
21784 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
21786 * c-common.h (c_common_pch_pragma): Update decl.
21787 * Makefile.in (c-parser.o): Update dependencies.
21788 (GTFILES): Add c-pragma.h.
21789 * c-parser.c (struct c_token): Add pragma_kind.
21790 (struct c_parser): Add in_pragma.
21791 (c_lex_one_token): Always initialize keyword and pragma_kind.
21792 Extract data for CPP_PRAGMA.
21793 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
21794 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
21795 Don't allow CPP_PRAGMA_EOL if in_pragma.
21796 (c_parser_consume_pragma): New.
21797 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
21798 (c_parser_skip_to_end_of_parameter): Likewise.
21799 (c_parser_skip_to_end_of_block_or_statement): Likewise.
21800 (c_parser_skip_to_pragma_eol): New.
21801 (c_parser_external_declaration): Handle CPP_PRAGMA.
21802 (c_parser_compound_statement_nostart): Likewise.
21803 (c_parser_statement_after_labels): Likewise.
21804 (c_parser_pragma): New.
21805 (pragma_lex): Likewise.
21806 (c_parser_pragma_pch_preprocess): New.
21807 (c_parser_new): Merge into ...
21808 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
21810 2006-01-04 Jeff Law <law@redhat.com>
21813 * tree-cfg.c (bsi_replace): Remove the original statement
21814 from the EH throw statement table.
21816 2006-01-04 Jakub Jelinek <jakub@redhat.com>
21818 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
21819 make the prototype extern "C" and add throw ().
21822 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
21823 and pos non-negative and pos + len <= 32.
21824 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
21825 drop pos + len < HOST_BITS_PER_WIDE_INT test.
21826 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
21829 * c-common.c (handle_vector_size_attribute): Reject zero vector size
21830 as well as sizes not multiple of component size.
21833 * function.c (instantiate_expr): New function.
21834 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
21835 walk its DECL_VALUE_EXPR with instantiate_expr.
21837 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
21838 DW_OP_deref{,_size} if address isn't going to be added.
21840 2006-01-04 Ben Elliston <bje@au.ibm.com>
21842 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
21843 * config/fp-bit.c: Likewise.
21845 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
21847 * dominance.c: Add comment about why we use DFS numbering
21850 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21851 Richard Henderson <rth@redhat.com>
21853 Merge from gomp-branch:
21854 * varasm.c (assemble_variable): Handle thread-local COMMON data.
21855 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
21857 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
21859 PR rtl-optimization/25578
21860 * combine.c (combine_simplify_rtx, force_to_mode): Don't
21861 pass a parameter to simplify_shift_const if changing ASHIFTRT
21864 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
21866 * builtins.c (get_builtin_sync_mem): New function.
21867 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
21868 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
21869 Call get_builtin_sync_mem to generate mem rtx.
21871 2006-01-03 Richard Guenther <rguenther@suse.de>
21874 * stmt.c (add_case_node): Make sure to clear overflow flags
21877 2006-01-03 Jakub Jelinek <jakub@redhat.com>
21879 Merge from gomp-branch.
21880 * config/sparc/sync.md: New file.
21881 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
21882 UNSPECV_LDSTUB): New constants.
21883 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
21884 * config/sparc/predicates.md (memory_reg_operand): New predicate.
21885 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
21888 2006-01-03 Roger Sayle <roger@eyesopen.com>
21890 * combine.c (reg_subword_p): New predicate to test whether the
21891 destination of a set refers to a subword/piece of a register.
21892 (try_combine): Generalize the code to merge the setting of a
21893 pseudo to a constant followed by a set of a subword of that
21894 register to a constant.
21896 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
21898 * basic-block.h (control_flow_graph): Change the type of
21899 x_label_to_block_map to VEC(basic_block,gc) *.
21900 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
21901 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
21903 * tree-ssa-propagate.c (cfg_blocks): Change the type to
21904 VEC(basic_block,heap) *.
21905 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
21906 ssa_prop_fini): Adjust the uses of cfg_blocks.
21908 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
21910 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
21912 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
21913 hashing trees instead of a pointer hash.
21914 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
21915 compare for MEM_EXPR.
21917 PR rtl-optimization/25130
21918 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
21919 when comparing MEMs for GCSE
21921 2006-01-03 Ben Elliston <bje@au.ibm.com>
21923 * targhooks.h (default_decimal_float_supported_p): Declare.
21924 * targhooks.c (default_decimal_float_supported_p): Define.
21925 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
21926 `default_decimal_float_supported_p'.
21927 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
21929 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
21931 * combine.c (apply_distributive_law <SUBREG>): Check
21932 TRULY_NOOP_TRUNCATION.
21934 2006-01-02 Geoffrey Keating <geoffk@apple.com>
21936 * dwarf2out.c (have_switched_text_section): Delete.
21937 (have_multiple_function_sections): New.
21938 (have_location_lists): Make 'bool'.
21939 (add_AT_loc_list): Use 'true' not '1'.
21940 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
21941 (output_loc_list): Use have_multiple_function_sections.
21942 (output_ranges): Likewise.
21943 (dwarf2out_begin_function): Set have_multiple_function_sections if
21945 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
21946 Check function_section rather than DECL_SECTION_NAME.
21947 (dwarf2out_finish): Use have_multiple_function_sections.
21948 Don't clear have_location_lists.
21950 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
21951 Jan Hubicka <jh@suse.cz>
21953 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
21954 case of conditional jump jumping to the next instruction.
21955 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
21956 cases of conditional jump jumping to the next instruction.
21958 2006-01-02 Jan Hubicka <jh@suse.cz>
21960 * i386.c (*_cost): Add COSTS_N_INSNS.
21961 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
21963 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
21966 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
21968 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
21970 * config/arm/arm.c (all_fpus): Fix comment typo.
21971 * config/darwin.c: Likewise.
21972 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
21973 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
21974 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
21976 2006-01-01 David Edelsohn <edelsohn@gnu.org>
21978 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
21979 (rs6000_split_compare_and_swapqhi): New.
21980 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
21981 (sync_compare_and_swapqhi_internal): New.
21982 * config/rs6000/rs6000-protos.h: Declare.