1 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4 (mips*-*-linux*): Likewise.
6 2006-03-16 Roger Sayle <roger@eyesopen.com>
7 Daniel Speyer <dspeyer@wam.umd.edu>
10 * tree-dump.c (dump_real): New function.
11 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12 * Makefile.in (REAL_H): New macro for dependencies on real.h.
13 (tree-dump.o): Add $(REAL_H) to the dependencies.
15 2006-03-16 Roger Sayle <roger@eyesopen.com>
18 * real.c (real_from_string): If the mantissa is zero, don't bother
19 parsing the exponent as the result should always be zero.
21 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
23 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
25 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
27 * config/ia64/ia64.c (stops_p): Added explicit initialization.
28 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
29 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
30 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
31 ia64_sched_finish_global): New static functions to implement
32 hooks from gcc_target.sched.
33 (spec_check_no, max_uid, pending_data_specs): New static variables.
34 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
35 ia64_spec_check_src_p): New static functions.
36 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
37 (TARGET_SCHED_ADJUST_COST): Removed.
38 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
39 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
40 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
41 TARGET_SCHED_GEN_CHECK,
42 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
43 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
44 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
45 Fixed to handle speculation checks.
46 (rtx_needs_barrier): Fixed to handle speculative loads and
48 (ia64_variable_issue): Added code to count speculative loads and their
50 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
52 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
54 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
56 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
57 (ia64_reorg): Reset stops_p to NULL after it is freed.
58 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
59 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
60 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
62 (data_speculative, control_speculative, check_load): New attributes.
63 (mov<mode>_advanced, mov<mode>_speculative,
64 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
65 zero_extend<mode>di2_speculative,
66 zero_extend<mode>di2_speculative_advanced): New patterns for
67 data and control speculative loads.
68 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
70 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
71 New pattern for data and control speculation checks.
72 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
73 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
74 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
75 Auxiliary definitions for the patterns.
76 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
77 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
79 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
81 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
82 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
83 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
84 New resource constraints.
85 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
87 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
88 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
89 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
90 msched-in-control-spec, msched-ldc, msched-control-ldc,
91 msched-spec-verbose, msched-prefer-non-data-spec-insns,
92 msched-prefer-non-control-spec-insns,
93 msched-count-spec-in-critical-path): New flags to tune speculative
95 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
96 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
97 msched-in-control-spec, msched-ldc, msched-control-ldc,
98 msched-spec-verbose, msched-prefer-non-data-spec-insns,
99 msched-prefer-non-control-spec-insns,
100 msched-count-spec-in-critical-path): Document new flags.
102 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
104 * target.h (struct spec_info_def): New opaque declaration.
105 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
106 speculate_insn, needs_block_p, gen_check,
107 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
108 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
109 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
110 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
111 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
112 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
114 (TARGET_SCHED): Use new macros.
115 * rtl.h (copy_DEPS_LIST_list): New prototype.
116 * sched-int.h (struct sched_info): Change signature of new_ready field,
117 adjust all initializations. New fields: add_remove_insn,
118 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
119 region_head_or_leaf_p.
120 (struct spec_info_def): New structure declaration.
121 (spec_info_t): New typedef.
122 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
123 recovery_block, orig_pat.
124 (glat_start, glat_end): New variables declaraions.
125 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
127 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
128 DETACH_LIFE_INFO, USE_GLAT.
129 (enum SPEC_SCHED_FLAGS): New enumeration.
130 (NOTE_NOTE_BB_P): New macro.
131 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
132 attach_life_info, debug_spec_status, check_reg_live): New functions.
133 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
134 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
136 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
137 * ddg.c (get_block_head_tail): Adjust all uses.
138 * modulo-sched.c (get_block_head_tail): Adjust all uses.
139 (sms_sched_info): Initialize new fields.
140 (contributes_to_priority): Removed.
141 * haifa-sched.c (params.h): New include.
142 (get_block_head_tail): Adjust all uses.
143 (ISSUE_POINTS): New macro.
144 (glat_start, glat_end): New global variables.
145 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
146 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
147 old_last_basic_block, before_recovery, current_sched_info_var,
148 rgn_n_insns, luid): New static variables.
149 (insn_cost1): New function. Move logic from insn_cost to here.
150 (find_insn_reg_weight1): New function. Move logic from
151 find_insn_reg_weight to here.
152 (reemit_notes, move_insn, max_issue): Change signature.
153 (move_insn1): Removed.
154 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
155 extend_bb): New static functions to support extension of scheduler's
157 (generate_recovery_code, process_insn_depend_be_in_spec,
158 begin_speculative_block, add_to_speculative_block,
159 init_before_recovery, create_recovery_block, create_check_block_twin,
160 fix_recovery_deps): New static functions to support
161 generation of recovery code.
162 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
163 restore_bb_notes, move_block_after_check, move_succs): New static
164 functions to support ebb scheduling.
165 (init_glat, init_glat1, attach_life_info1, free_glat): New static
166 functions to support handling of register live information.
167 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
168 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
169 add_jump_dependencies): New static functions.
170 (check_cfg, has_edge_p, check_sched_flags): New static functions for
171 consistancy checking.
172 (debug_spec_status): New function to call from debugger.
173 (priority): Added code to handle speculation checks.
174 (rank_for_schedule): Added code to distinguish speculative instructions.
175 (schedule_insn): Added code to handle speculation checks.
176 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
177 Fixed to handle ebbs.
178 (move_insn): Added code to handle ebb scheduling.
179 (max_issue): Added code to use ISSUE_POINTS of instructions.
180 (choose_ready): Added code to choose between speculative and
181 non-speculative instructions.
182 (schedule_block): Added code to handle ebb scheduling and scheduling of
183 speculative instructions.
184 (sched_init): Initialize new variables.
185 (sched_finish): Free new variables. Print statistics.
186 (try_ready): Added code to handle speculative instructions.
187 * lists.c (copy_DEPS_LIST_list): New function.
188 * sched-deps.c (extend_dependency_caches): New function. Move logic
189 from create_dependency_caches to here.
190 (get_dep_weak, ds_merge): Make global.
191 * genattr.c (main): Code to output prototype for
192 dfa_clear_single_insn_cache.
193 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
194 (output_dfa_clean_insn_cache_func): Code to output
195 dfa_clear_single_insn_cache function.
196 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
198 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
200 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
201 New static variables.
202 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
203 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
205 (ebb_sched_info): Initialize new fields.
206 (get_block_head_tail): Adjust all uses.
207 (compute_jump_reg_dependencies): Fixed to use glat_start.
208 (schedule_ebb): Code to remove unreachable last block.
209 (schedule_ebbs): Added code to update register live information.
210 * sched-rgn.c (region_sched_info): Initialize new fields.
211 (get_block_head_tail): Adjust all uses.
212 (last_was_jump): Removed. Adjust users.
213 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
214 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
216 (check_dead_notes1): New static function.
217 (struct region): New fields: dont_calc_deps, has_real_ebb.
218 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
219 (BB_TO_BLOCK): Fixed to handle EBBs.
220 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
221 (ebb_head): New static variable.
222 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
223 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
225 (compute_dom_prob_ps): New assertion.
226 (check_live_1, update_live_1): Fixed to work with glat_start instead of
227 global_live_at_start.
228 (init_ready_list): New assertions.
229 (can_schedule_ready_p): Split update code to begin_schedule_ready.
230 (new_ready): Add support for BEGIN_CONTROL speculation.
231 (schedule_insns): Fixed code that updates register live information
233 (schedule_region): Fixed to handle EBBs.
234 (init_regions): Use extend_regions and check_dead_notes1.
235 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
236 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
237 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
238 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
239 TARGET_SCHED_GEN_CHECK,
240 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
241 TARGET_SCHED_SET_SCHED_FLAGS): Document.
242 * doc/invoke.texi (max-sched-insn-conflict-delay,
243 sched-spec-prob-cutoff): Document.
245 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
247 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
248 inter_tick, queue_index.
249 (struct sched_info): Change signature of init_ready_list field.
250 Adjust all initializations.
251 (RESOLVED_DEPS): New access macro.
252 (ready_add): Remove prototype.
253 (try_ready): Add prototype.
254 * sched-rgn.c (init_ready_list): Use try_ready.
255 (schedule_region): Initialize
256 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
257 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
258 (init_ready_list): Use try_ready.
259 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
260 * lists.c (remove_list_elem): Remove `static'.
261 (remove_free_INSN_LIST_elem): New function.
262 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
263 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
264 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
266 (readyp): New variable.
267 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
268 change_queue_index, resolve_dep): New static functions.
269 (try_ready): New function. Adjust callers in sched-rgn.c and
270 sched-ebb.c to use it instead of ready_add.
271 (clock_var): Move at the begining of file.
272 (rank_for_schedule): Fix typo.
273 (queue_insn): Add assertion. Handle QUEUE_INDEX.
274 (ready_lastpos): Enforce assertion.
275 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
277 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
278 (schedule_insn): Rewrite to use try_ready and resolve_dep.
279 (queue_to_ready): Use free_INSN_LIST_list.
280 (early_queue_to_ready): Fix typo.
281 (schedule_block): Init readyp. Move init_ready_list call after the
282 initialization of clock_var. Fix error in rejecting insn by
283 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
284 that previously corrected INSN_TICKs. Add code for handling
286 (set_priorities): Fix typo.
287 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
288 Clarify comment and code that keeps current_sched_info->next_tail
291 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
293 * sched-rgn.c (extend_rgns): New static function.
295 (gather_region_statistics, print_region_statistics): New static
297 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
298 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
300 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
301 Andrey Belevantsev <abel@ispras.ru>
303 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
304 * lists.c (unused_deps_list): New variable.
305 (free_list): Add assertions to verify the proper distinguishing
306 between INSN_LISTs and DEPS_LISTs.
307 (find_list_elem, remove_list_elem, remove_list_node): New static
309 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
310 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
311 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
312 (alloc_INSN_LIST): Assert that the list we're working on is indeed
314 (free_INSN_LIST_node): Likewise.
315 * modulo-sched.c (current_sched_info): Initialize flags field.
316 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
317 * rtl.def (DEPS_LIST): Define.
318 * rtl.h: Declare new functions from lists.c.
319 * sched-deps.c (spec_dependency_cache): New static variable.
320 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
321 (add_dependence): Change return type to void. Move the logic to ...
322 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
323 (delete_all_dependences): Add comment about forward_dependency_cache.
324 Handle spec_dependency_cache. Handle DEPS_LISTs.
325 (fixup_sched_groups): Clarify the change of priority of output
326 and anti dependencies.
327 (sched_analyze_2): Adjust add_dependence calls to create data
328 speculative dependence.
329 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
330 Adjust all callers. Handle DEPS_LISTS.
331 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
332 presence of speculation.
333 (init_dependency_caches, free_dependency_caches):
334 Handle spec_dependency_cache.
335 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
336 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
337 New static functions.
338 (add_or_update_back_dep, add_or_update_back_forw_dep,
339 add_back_forw_dep, delete_back_forw_dep): New functions.
340 * sched-int.h (ds_t, dw_t): New typedefs.
341 (struct sched_info): Add new field flags.
342 (struct haifa_insn_data): Add new bitfield has_internal_dep.
343 Prototype new sched-deps.c functions.
344 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
345 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
346 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
347 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
348 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
349 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
351 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
353 * sched-rgn.c (current_sched_info): Initialize flags field.
354 (schedule_insns): Initialize current_sched_info before the sched_init
356 * sched-ebb.c (current_sched_info): Initialize flags field.
357 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
358 Call add_or_update_back_dep instead of add_dependence.
359 Create control speculative dependencies.
360 (schedule_insns): Initialize current_sched_info before the sched_init
363 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
365 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
367 (sh_fallback_frame_state): Likewise.
369 2006-03-15 Geoffrey Keating <geoffk@apple.com>
371 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
372 Do switch on default_use_cxa_atexit.
373 (powerpc*-*-darwin*): Build crt2.o on powerpc.
374 * config/darwin-crt3.o: New.
375 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
376 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
377 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
379 * config/rs6000/t-darwin: Move crt2.o building to here.
380 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
381 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
384 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
386 * config/vax/vax.c (nonindexed_address_p): Change logical negation
387 from '! xxx' to '!xxx' for coding-style conformance.
388 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
389 (EXTRA_CONSTRAINT): Likewise.
390 * config/vax/vax.md (four unnamed insns): Likewise.
392 2006-03-15 Paul Brook <paul@codesourcery.com>
394 * config/arm/arm.c (minipool_pad): New.
395 (add_minipool_forward_ref): Include pool alignment padding in address
397 (push_minipool_fix): Set minipool_pad.
398 (minipool_pad): Ditto.
400 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
402 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
403 instead of GET_CODE() == MEM and REG_P() instead of
405 (print_operand_address): Likewise.
406 (vax_address_cost): Likewise.
407 (vax_rtx_costs): Likewise.
408 (vax_notice_update_cc): Likewise.
409 (vax_output_int_add): Likewise.
410 (INDEX_REGISTER_P): Likewise.
411 (BASE_REGISTER_P): Likewise.
412 (nonindexed_address_p): Likewise.
413 (vax_mode_dependent_address_p): Likewise.
414 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
415 (PRINT_OPERAND): Likewise.
416 * config/vax/vax.md (ashlsi3): Likewise.
418 (some more unnamed insns): Likewise.
420 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
422 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
423 iterator-style macro.
424 (mark_control_dependent_edges_necessary): Update the use of
425 EXECUTE_IF_CONTROL_DEPENDENT.
427 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
429 * config/sh/predicates.md (cache_address_operand): Special.
430 (ua_address_operand): Likewise.
432 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
434 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
436 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
438 2006-03-15 Andreas Schwab <schwab@suse.de>
440 * gensupport.c (identify_predicable_attribute): Don't free p_false
441 when it is still in use.
443 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
445 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
446 the default setting here.
448 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
450 * tree-pass.h (pass_cfg): Remove.
451 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
452 * passes.c (pass_cfg): Don't run it.
454 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
456 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
457 * reg-stack.c (stack_regs_mentioned_data): Change the type to
459 (stack_regs_mentioned): Update the uses of
460 stack_regs_mentioned_data. Don't access the array beyond its
462 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
463 Don't include gt-reg-stack.h.
465 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
466 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
468 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
471 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
474 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
476 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
478 2006-03-14 Richard Guenther <rguenther@suse.de>
480 PR tree-optimization/26672
481 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
484 2006-03-14 Richard Guenther <rguenther@suse.de>
486 PR tree-optimization/26667
487 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
488 node for the callees. Always allow inlining if it will shrink
491 2006-03-14 Richard Guenther <rguenther@suse.de>
494 * builtins.c (get_pointer_alignment): Prefer alignment
495 information from decls over that from types.
497 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
500 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
502 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
504 * config/rs6000/rs6000.opt (mdlmzb): New option.
505 (msched-prolog, msched-epilog): Use Var not Mask.
506 * doc/invoke.texi (-mdlmzb): Document.
507 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
509 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
510 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
512 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
514 PR rtl-optimization/25739
515 * bt-load.c (augment_live_range): Free tos pointer.
517 * gensupport.c (identify_predicable_attribute): Free
519 * gcov.c (create_file_names): Free name pointer.
521 2006-03-13 Roger Sayle <roger@eyesopen.com>
524 * stmt.c (emit_case_nodes): Handle the case where the index is a
525 CONST_INT, where the comparison mode is specified by the index type.
527 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
529 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
532 2006-03-13 Richard Sandiford <richard@codesourcery.com>
534 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
535 (*branch_fp_inverted): Likewise.
537 2006-03-13 Jakub Jelinek <jakub@redhat.com>
540 * omp-low.c (expand_omp_for_generic): Mark istart0
541 and iend0 as addressable.
543 2006-03-13 Jie Zhang <jie.zhang@analog.com>
545 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
547 2006-03-13 Jeff Law <law@redhat.com>
549 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
550 virtual operands are interesting.
551 (vrp_visit_stmt): Corresponding changes.
553 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
555 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
557 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
558 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
559 * config/bfin/crti.S: Use it instead of __PIC__.
560 * config/bfin/crtn.S: Likewise.
562 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
563 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
565 Lose 'G' modifier for call operand.
566 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
567 recognize 'G' modifier.
569 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
572 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
573 * stmt.c (expand_case): Likewise.
575 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
577 PR rtl-optimization/26254
578 * loop-invariant.c (seq_insns_valid_p): New function.
579 (move_invariant_reg): Only emit new code if it is valid.
581 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
583 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
585 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
586 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
587 (commit_one_edge_insertion): Do not look for loop notes.
589 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
591 * jump.c (follow_jumps): Do not check for loop notes. Move check for
592 flag_test_coverage out of loop.
594 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
596 * final.c (shorten_branches): Remove outdated comment, and turn
597 the if branch that guards it to continue.
599 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
601 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
602 * cfgloop.h (struct loop): Remove unused fields.
604 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
606 * doc/invoke.texi (-fdump-rtl-loop): Remove.
607 (-dL, -fdump-rtl-loop2): Update the dump file names
609 * doc/invoke.texi: Update dump file names.
611 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
613 * predict.c (estimate_probability): Remove.
614 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
615 * basic-block.h (estimate_probability): Remove prototype.
616 * passes.c (finish_optimization_passes): Dump branch prediction or
617 profiling heuristics to the .profile tree dump.
618 (init_optimization_passes): Unqueue pass_branch_prob.
620 * doc/invoke.texi (-fdump-rtl-bp): Remove.
622 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
624 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
625 * rtl.h (LABEL_NEXTREF): Remove field accessor.
627 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
629 * function.h (frame_offset_overflow): Declare.
630 * function.c (frame_offset_overflow): New function.
631 (assign_stack_local_1): Call it to detect that the offset overflows.
632 * cfgexpand.c (alloc_stack_frame_space): Likewise.
634 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
636 * config/sh/sh.c: Include alloc-pool.h.
637 (label_ref_list_pool): New alloc pool.
638 (label_ref_list_t): New type for lists of labels.
639 (struct pool_node): Make wend a label_ref_list_t.
640 (add_constant): Use the new type, eradicate LABEL_NEXTREF
642 (dump_table): Likewise.
643 (sh_reorg): Set up the alloc pool before using add_constant and
644 dump_table, and destroy it when finishing.
646 2006-03-11 Richard Sandiford <richard@codesourcery.com>
648 * config/mips/mips.c: Remove redundant comment.
650 2006-03-10 Jason Merrill <jason@redhat.com>
653 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
654 the target was declared 'register'.
656 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
658 * genpreds.c (write_insn_constraint_len): Change definition of
659 insn_constraint_len to return size_t to match the declaration.
661 2006-03-10 DJ Delorie <dj@redhat.com>
663 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
665 (m32c_expand_insv): Fix test for an AND mask.
667 2006-03-10 Richard Guenther <rguenther@suse.de>
670 * builtins.c (get_pointer_alignment): Handle component
671 references for field alignment.
673 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
675 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
676 when building with libgloss.
677 (sh*elf): Implement --without-fp option.
678 (sh64-superh-linux*): Don't multilib.
680 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
682 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
684 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
686 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
687 Set it when one of the replacement functions returned true.
688 Return TODO_cleanup_cfg if cfgchanged is true.
689 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
691 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
693 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
694 instead of gen_lowpart.
696 2006-03-09 Richard Sandiford <richard@codesourcery.com>
698 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
700 (mips_output_order_conditional_branch): Declare.
701 * config/mips/mips.h (MIPS_BRANCH): New macro.
702 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
703 for the comparison. Use gen_condjump.
704 (mips_output_conditional_branch): Rework interface to take the
705 asm templates for a direct branch and the inverse of a direct branch.
706 (mips_output_order_conditional_branch): New function.
707 (mips_builtin_branch_and_move): New function.
708 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
709 branch condition. Use gen_single_cc as the condition for
710 __builtin_mips_upper_* or __builtin_mips_lower_*.
711 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
712 Use VOIDmode for the branch condition.
713 * config/mips/predicates.md (order_operator): New predicate.
714 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
715 (branch_fp): Rename to...
716 (*branch_fp): ...this. Remove mode from comparison operator.
717 Use new mips_output_conditional_branch interface.
718 (branch_fp_inverted): Rename to...
719 (*branch_fp_inverted): ...this and update as for *branch_fp.
720 (*branch_zero<mode>): Rename to...
721 (*branch_order<mode>): ...this. Remove mode from comparison operator.
722 Use mips_output_order_conditional_branch. Only accept ordered
724 (*branch_zero<mode>_inverted): Rename to...
725 (*branch_order<mode>_inverted): ...this and update as for
727 (*branch_equality<mode>): Accept zero as the second operand to
728 the equality operator. Use the new mips_output_conditional_branch
730 (*branch_equality<mode>_inverted): Likewise.
731 (condjump): New expander.
732 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
734 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
735 (bc1any2t, bc1any2f): Likewise.
736 (single_cc): New expander.
737 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
739 2006-03-09 Richard Sandiford <richard@codesourcery.com>
741 * doc/md.texi: Update documentation of MIPS constraints.
742 * config/mips/constraints.md: New file.
743 * config/mips/mips.md: Include it.
744 * config/mips/mips.c (mips_char_to_class): Delete.
745 (override_options): Don't initialize mips_char_to_class.
746 * config/mips/mips.h (mips_char_to_class): Delete.
747 (REG_CLASS_FROM_LETTER): Delete.
748 (CONST_OK_FOR_LETTER_P): Delete.
749 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
750 (EXTRA_CONSTRAINT_Y): Delete.
751 (EXTRA_CONSTRAINT_STR): Delete.
752 (CONSTRAINT_LEN): Delete.
753 (EXTRA_MEMORY_CONSTRAINT): Delete.
755 2006-03-09 Diego Novillo <dnovillo@redhat.com>
757 * tree-cfg.c (move_block_to_fn): Remove the statements from the
758 original fn's eh regions.
760 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
762 * fold-const.c (build_range_check): Make sure to use a valid type to
763 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
766 (range_predecessor): New static function.
767 (range_successor): Likewise.
768 (merge_ranges): Use them to compute predecessors and successors of
771 2006-03-09 Roger Sayle <roger@eyesopen.com>
774 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
775 X op C3, consider whether C3 overflows towards +Inf or -Inf.
777 2006-03-08 DJ Delorie <dj@redhat.com>
779 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
780 (addpsi3): Expand to include memory operands. Remove
781 reload-specific splits.
782 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
783 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
784 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
785 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
786 (shift1_qi, shift1_hi, insv): New.
787 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
788 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
789 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
791 * config/m32c/m32c-protos.h: Update as needed.
792 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
793 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
794 Fail for unrecognized R* constraints.
795 (m32c_cannot_change_mode_class): Be more picky about pseudos.
796 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
797 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
799 (m32c_init_libfuncs): New.
800 (m32c_legitimate_address_p): Add debug wrapper.
801 (m32c_rtx_costs): New.
802 (m32c_address_cost): New.
803 (conversions): Add 'B' prefix.
804 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
805 operands, or word regnames for QI operands. 'B' prints bit
807 (m32c_expand_setmemhi): New.
808 (m32c_expand_movmemhi): New.
809 (m32c_expand_movstr): New.
810 (m32c_expand_cmpstr): New.
811 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
812 (m32c_expand_neg_mulpsi3): Handle non-ints.
813 (m32c_cmp_flg_0): New.
814 (m32c_expand_movcc): New.
815 (m32c_expand_insv): New.
816 (m32c_scc_pattern): New.
817 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
819 (STORE_FLAG_VALUE): New.
820 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
823 * config/m32c/mov.md: Make constraints more liberal.
824 (zero_extendqihi2): Optimize r0/r1 case.
825 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
826 * config/m32c/predicates.md (m32c_any_operand): New.
827 (m32c_nonimmediate_operand): New.
828 (m32c_hl_operand): New.
829 (m32c_r3_operand): New.
832 (memsym_operand): New.
833 (memimmed_operand): New.
835 (m32c_eqne_operator): New.
836 (m32c_1bit8_operand): New.
837 (m32c_1bit16_operand): New.
838 (m32c_1mask8_operand): New.
839 (m32c_1mask16_operand): New.
840 * config/m32c/blkmov.md: New file.
841 * config/m32c/t-m32c (MD_FILES): Add blkmov.
843 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
845 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
846 unsigned to fix signed/unsigned comparison issue in
847 DWARF2_FRAME_REG_OUT.
848 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
849 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
851 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
852 of ptr into the ENABLE_CHECKING section.
854 2006-03-08 Jeff Law <law@redhat.com>
856 * tree-vrp.c (infer_value_range): Only count pointer uses
857 and dereferences if -fdelete-null-pointer-checks is enabled.
859 * tree-vrp.c (find_assert_locations): Infer value ranges for
860 single use pointers, but do not create ASSERT_EXPRs for them.
861 When a non-null range is inferred for a pointer, backwards
862 propagate that range to other equivalent pointers through the
865 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
868 * Makefile.in (dvi, html, install-info): Invoke the corresponding
869 language hook targets.
870 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
871 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
872 if language hook targets were missing.
874 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
876 * tree-ssa-opfinalize.h: Removed.
877 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
879 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
880 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
881 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
882 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
883 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
884 finalize_ssa_v_must_def_ops): New.
886 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
888 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
891 2006-03-07 Geoffrey Keating <geoffk@apple.com>
893 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
895 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
896 addresses with offsets; reorganize.
898 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
899 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
900 (expand_builtin_init_dwarf_reg_sizes): Likewise.
902 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
905 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
907 2006-03-08 Ben Elliston <bje@au.ibm.com>
909 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
911 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
914 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
917 2006-03-07 Richard Guenther <rguenther@suse.de>
919 PR tree-optimization/26587
920 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
922 2006-03-07 Richard Sandiford <richard@codesourcery.com>
924 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
926 2006-03-07 Richard Sandiford <richard@codesourcery.com>
928 * hooks.c (hook_bool_mode_rtx_true): New function.
929 * hooks.h (hook_bool_mode_rtx_true): Declare.
930 * toplev.c (compile_file): Call output_shared_constant_pool.
931 * varasm.c (shared_constant_pool): New variable.
932 (assemble_start_function, assemble_end_function): Remove arguments
933 from call to output_constant_pool.
934 (create_constant_pool): New function, split out from...
935 (init_varasm_status): ...here.
936 (force_const_mem): Choose between the shared and per-function constant
937 pools. Set current_function_uses_const_pool when reusing old entries
938 as well as when creating new ones.
939 (mark_constant): Ignore data argument.
940 (mark_constants): Remove pool argument.
941 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
942 to decide whether the function uses a constant pool.
943 (output_constant_pool_contents): New function, split out from...
944 (output_constant_pool): ...here.
945 (output_shared_constant_pool): New function.
946 (init_varasm_once): Initialize shared_constant_pool.
947 * output.h (output_constant_pool): Delete.
948 (output_shared_constant_pool): Declare.
949 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
950 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
952 2006-03-06 Nick Clifton <nickc@redhat.com>
954 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
955 flag_strength_reduce.
957 2006-03-06 Ben Elliston <bje@au.ibm.com>
959 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
960 x86_64-*-linux* configurations.
962 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
963 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
965 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
967 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
969 * basic-block.h: Remove the extern for
970 rediscover_loops_after_threading.
972 * cfgloop.c (cancel_loop): Make it static.
973 * cfgloop.h: Remove the prototype for cancel_loop.
975 * flow.c (recompute_reg_usage): Make it static.
976 * rtl.h: Remove the prototype for recompute_reg_usage.
978 * function.c (use_return_register): Make it static.
979 * function.h: Remove the prototype.
981 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
983 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
985 * recog.h: Remove the prototype for
986 validate_change_maybe_volatile.
988 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
990 * rtlanal.c (replace_reg): Remove.
991 * rtl.h: Remove the prototype for replace_reg.
993 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
995 * regclass.c (reg_scan_update): Remove.
996 (reg_scan_mark_refs): Remove the last argument.
997 * rtl.h: Remove the prototype for reg_scan_update.
999 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1001 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
1002 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
1003 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
1004 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
1005 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
1006 loop-invariant.c, omp-low.c, opts.c, passes.c,
1007 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
1008 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
1009 tree-ssa-structalias.c, tree-ssa-threadedge.c,
1010 tree-ssa-threadupdate.c, tree-vect-patterns.c,
1011 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
1012 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
1014 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1016 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
1017 * dwarf2out.h: Remove the prototype for
1018 dwarf2out_add_library_unit_info.
1020 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1022 * tree.c (add_var_to_bind_expr): Remove.
1023 * tree.h: Remove the prototype for add_var_to_bind_expr.
1025 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1027 * regclass.c (n_non_fixed_regs): Remove.
1028 (init_reg_sets_1, globalize_reg): Remove all uses of
1030 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
1032 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1034 * rtlanal.c (insns_safe_to_move_p): Remove.
1035 * rtl.h: Remove the prototype for insns_safe_to_move_p.
1037 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1039 * expmed.c (expand_mult_add): Remove.
1040 * expr.h: Remove the prototype for expand_mult_add.
1042 2006-03-04 Jakub Jelinek <jakub@redhat.com>
1044 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
1045 and REG_SAVED_VAL_EXP constants.
1046 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
1047 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1048 Handle regs stored by value.
1049 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
1050 (execute_cfa_program): Handle DW_CFA_val_offset,
1051 DW_CFA_val_offset_sf and DW_CFA_val_expression.
1052 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
1053 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
1054 (uw_install_context_1): Handle target regs stored by value.
1056 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
1058 * tree-sra.c (tree_sra): Return todoflags;
1059 (generate_one_element): Set TODO_update_smt_usage if needed.
1060 (pass_sra): Remove TODO_update_smt_usage.
1061 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
1063 (tree_ssa_forward_propagate_single_use_vars): Return
1064 TODO_update_smt_usage if we need to update SMT usage.
1065 (pass_forwprop): Remove TODO_update_smt_usage.
1067 2006-03-03 Diego Novillo <dnovillo@redhat.com>
1069 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
1070 (correct_use_link): Remove reference to get_stmt_operands.
1071 (update_stmt_operands): Likewise.
1072 (get_modify_expr_operands): New function factored out of
1073 parse_ssa_operands and get_expr_operands.
1074 Try to create V_MUST_DEFs for LHS by default.
1075 (get_expr_operands) <case MODIFY_EXPR>: Call
1076 get_modify_expr_operands.
1077 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
1078 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
1079 (parse_ssa_operands) <case MODIFY_EXPR>: Call
1080 get_modify_expr_operands.
1082 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
1084 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
1085 * tree-flow.h: Remove the prototype for
1086 referenced_var_lookup_if_exists.
1088 2006-03-03 Steve Ellcey <sje@cup.hp.com>
1090 PR rtl-optimization/26345
1092 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
1094 2006-03-03 Roger Sayle <roger@eyesopen.com>
1096 PR tree-optimization/26524
1097 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
1098 fold_convert to create a constant of the appropriate type.
1100 2006-03-03 Richard Sandiford <richard@codesourcery.com>
1102 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1103 SYMBOL_REF_IN_BLOCK_P.
1104 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
1105 of SYMBOL_FLAG_IN_BLOCK.
1106 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
1107 instead of SYMBOL_REF_IN_BLOCK_P.
1108 * explow.c (use_anchored_address): Likewise.
1109 * rtl.c (rtx_size): Likewise.
1110 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
1111 instead of SYMBOL_FLAG_IN_BLOCK.
1112 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1113 SYMBOL_REF_IN_BLOCK_P.
1114 (assemble_variable): Likewise.
1115 (output_constant_def_contents): Likewise.
1116 (output_constant_pool): Likewise.
1117 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
1118 instead of SYMBOL_FLAG_IN_BLOCK.
1119 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1120 SYMBOL_REF_IN_BLOCK_P.
1121 (SYMBOL_REF_BLOCK): Likewise.
1122 (SYMBOL_REF_OFFSET): Likewise.
1123 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1124 SYMBOL_REF_IN_BLOCK_P.
1125 (SYMBOL_FLAG_IN_BLOCK): Replace with...
1126 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
1127 (SYMBOL_REF_IN_BLOCK_P): Replace with...
1128 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
1130 2006-03-03 Jakub Jelinek <jakub@redhat.com>
1132 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
1134 2006-03-02 Roger Sayle <roger@eyesopen.com>
1136 * simplify-rtx.c (simplify_unary_operation): When simplifying
1137 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
1138 that we perform the right shift in the appropriate mode, and
1139 then extend or truncate the result to requested mode.
1141 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
1143 * gengtype.c (main): Handle double_int type.
1144 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
1145 * double-int.c: New file.
1146 * double-int.h: New file.
1147 * system.h: Include doubleint.h.
1148 * Makefile.in (SYSTEM_H): Include double-int.h.
1149 (double-int.o): Add.
1151 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
1154 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
1157 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1159 * tree-vrp.c (remove_range_assertions): Do not update statements
1162 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1164 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
1166 * gcse.c (rest_of_handle_gcse): Ditto.
1167 * except.c (gate_handle_eh): Ditto.
1168 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
1169 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
1171 2006-03-02 Eric Christopher <echristo@apple.com>
1173 * config/i386/i386.c (machopic_output_stub): Add indirection to
1176 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1180 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
1182 Sun Niagara specific optimizations.
1183 * config.gcc: Recognize niagara as target.
1184 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
1185 (TARGET_CPU_niagara): Define.
1186 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
1187 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
1188 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1189 (ASM_CPU_SPEC): Likewise.
1190 (PROCESSOR_NIAGARA): New enum entry.
1191 (REGISTER_MOVE_COST): Handle Niagara.
1192 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
1193 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
1194 (sparc_override_options): Recognize "niagara", set appropriate
1195 default MASK_* values for it, and align functions to 32-bytes
1196 by default just like ULTRASPARC/ULTRASPARC3.
1197 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
1198 (sparc64_initialize_trampoline): Likewise.
1199 (sparc_use_sched_lookahead): Use zero for niagara.
1200 (sparc_issue_rate): Use one for niagara.
1201 * config/sparc/niagara.md: New file.
1202 * config/sparc/sparc.md: Include it.
1203 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
1204 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
1205 when default cpu is niagara.
1206 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1207 (ASM_CPU_SPEC): Likewise.
1208 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
1209 when default cpu is niagara.
1210 (ASM_CPU_SPEC): Handle -mcpu=niagara.
1211 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
1212 just like v9/ultrasparc/ultrasparc3.
1213 * doc/invoke.texi: Add documentation for "niagara" and improve
1214 existing documentation for ultrasparc variants.
1216 2006-03-02 Diego Novillo <dnovillo@redhat.com>
1218 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
1220 2006-03-02 Richard Sandiford <richard@codesourcery.com>
1222 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
1223 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
1224 and say that only one is needed.
1225 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
1226 * target.h (have_switchable_bss_sections): New hook.
1227 * explow.c (use_anchored_address): Check that the symbol is in a block.
1228 * varasm.c (tls_comm_section, comm_section, lcomm_section)
1229 (bss_noswitch_section): New variables.
1230 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
1231 (get_noswitch_section): New function.
1232 (get_block_for_section): Allow SECT to be null.
1233 (unlikely_text_section_p): Use SECTION_STYLE.
1234 (bss_initializer_p): New function.
1235 (get_variable_section): Move earlier in file. Take a new argument,
1236 prefer_noswitch_p. Move bss checks from assemble_variable to here.
1237 Return one of the new *_sections in such cases.
1238 (get_block_for_decl): New function, extracting some logic from
1239 use_blocks_for_decl_p.
1240 (change_symbol_section): Remove in favor of...
1241 (change_symbol_block): ...this new function.
1242 (use_blocks_for_decl_p): Remove checks now performed by
1244 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
1245 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
1246 (emit_local, emit_bss, emit_common): ...these new functions.
1247 Return true if the alignment was honored.
1248 (emit_tls_common): New function.
1249 (asm_emit_uninitialised): Delete.
1250 (assemble_variable_noswitch): New function, split out from...
1251 (assemble_variable): ...here. Don't make decisions about common
1252 variables here. Globalize all public decls that go into non-common
1253 sections. Check whether SYMBOL_REF_BLOCK is null.
1254 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
1255 (output_constant_pool): Likewise.
1256 (init_varasm_once): Initialize the new section variables.
1257 (have_global_bss_p): New function.
1258 (categorize_decl_for_section): Use bss_initializer_p.
1259 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
1260 (place_block_symbol): Assert that the symbol must be in a block.
1261 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
1262 (TARGET_INITIALIZER): Include it.
1263 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
1264 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
1265 (SECTION_MACH_DEP): Bump by two.
1266 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
1267 (unnamed_section): Mention SECTION_UNNAMED in comment.
1268 (named_section): Likewise SECTION_NAMED.
1269 (noswitch_section_callback): New type.
1270 (noswitch_section): New structure.
1271 (section): Add a noswitch_section alternative.
1272 (SECTION_STYLE): New macro.
1273 (tls_comm_section, comm_section, lcomm_section): Declare.
1274 (bss_noswitch_section, have_global_bss_p): Declare.
1275 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1276 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1278 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1279 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1282 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
1284 * gcc/tree-vrp.c (execute_vrp): Return value.
1285 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
1286 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
1287 * gcc/tree-complex.c (tree_lower_complex): Ditto.
1288 (tree_lower_complex_O0): Ditto.
1289 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
1290 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
1291 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
1292 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
1293 (execute_tail_calls): Ditto.
1294 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1295 * gcc/tree.h (init_function_for_compilation): Ditto.
1296 * gcc/ipa-cp.c (ipcp_driver): Ditto.
1297 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
1298 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
1299 * gcc/final.c (compute_alignments): Ditto.
1300 (rest_of_handle_final): Ditto.
1301 (rest_of_handle_shorten_branches): Ditto.
1302 (rest_of_clean_state): Ditto.
1303 * gcc/omp-low.c (execute_expand_omp): Ditto.
1304 (execute_lower_omp): Ditto.
1305 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
1306 * gcc/ipa-reference.c (static_execute): Ditto.
1307 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
1308 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
1309 (rest_of_handle_machine_reorg): Ditto.
1310 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
1311 * gcc/flow.c (recompute_reg_usage): Ditto.
1312 (rest_of_handle_remove_death_notes): Ditto.
1313 (rest_of_handle_life): Ditto.
1314 (rest_of_handle_flow2): Ditto.
1315 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
1316 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
1317 (do_ssa_store_ccp): Ditto.
1318 (execute_fold_all_builtins): Ditto.
1319 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
1320 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
1321 * gcc/ipa-pure-const.c (static_execute): Ditto.
1322 * gcc/cse.c (rest_of_handle_cse): Ditto.
1323 (rest_of_handle_cse2): Ditto.
1324 * gcc/web.c (rest_of_handle_web): Ditto.
1325 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
1326 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
1327 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1328 * gcc/tree-nrv.c (tree_nrv): Ditto.
1329 (execute_return_slot_opt): Ditto.
1330 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
1331 (create_structure_vars): Ditto.
1332 * gcc/loop-init.c (rtl_loop_init): Ditto.
1333 (rtl_loop_done): Ditto.
1334 (rtl_move_loop_invariants): Ditto.
1335 (rtl_unswitch): Ditto.
1336 (rtl_unroll_and_peel_loops): Ditto.
1337 (rtl_doloop): Ditto.
1338 * gcc/gimple-low.c (lower_function_body): Ditto.
1339 (mark_used_blocks): Ditto.
1340 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
1341 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
1342 (cgraph_early_inlining): Ditto.
1343 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
1344 * gcc/jump.c (cleanup_barriers): Ditto.
1345 (purge_line_number_notes): Ditto.
1346 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
1347 (rest_of_handle_if_after_reload): Ditto.
1348 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
1349 (tree_ssa_loop_im): Ditto.
1350 (tree_ssa_loop_unswitch): Ditto.
1351 (tree_vectorize): Ditto.
1352 (tree_linear_transform): Ditto.
1353 (tree_ssa_loop_ivcanon): Ditto.
1354 (tree_ssa_empty_loop): Ditto.
1355 (tree_ssa_loop_bounds): Ditto.
1356 (tree_complete_unroll): Ditto.
1357 (tree_ssa_loop_prefetch): Ditto.
1358 (tree_ssa_loop_ivopts): Ditto.
1359 (tree_ssa_loop_done): Ditto.
1360 * gcc/predict.c (tree_estimate_probability): Ditto.
1361 * gcc/recog.c (split_all_insns_noflow): Ditto.
1362 (rest_of_handle_peephole2): Ditto.
1363 (rest_of_handle_split_all_insns): Ditto.
1364 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
1365 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
1366 (rest_of_handle_stack_adjustments): Ditto.
1367 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
1368 * gcc/function.c (instantiate_virtual_regs): Ditto.
1369 (init_function_for_compilation): Ditto.
1370 (rest_of_handle_check_leaf_regs): Ditto.
1371 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
1372 (rest_of_handle_gcse): Ditto.
1373 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
1374 * gcc/alias.c (rest_of_handle_cfg): Ditto.
1375 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
1376 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
1377 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
1378 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
1379 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
1380 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
1381 * gcc/except.c (set_nothrow_function_flags): Ditto.
1382 (convert_to_eh_region_ranges): Ditto.
1383 (rest_of_handle_eh): Ditto.
1384 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
1385 (remove_unnecessary_notes): Ditto.
1386 * gcc/except.h (set_nothrow_function_flags): Ditto.
1387 (convert_to_eh_region_ranges): Ditto.
1388 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
1389 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
1390 * gcc/tree-ssa-pre.c (do_pre): Ditto.
1391 (execute_fre): Ditto.
1392 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
1393 (rest_of_handle_jump2): Ditto.
1394 * gcc/tree-sra.c (tree_sra): Ditto.
1395 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
1396 (execute_mudflap_function_decls): Ditto.
1397 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
1398 (do_store_copy_prop): Ditto.
1399 * gcc/ipa-prop.h (ipcp_driver): Ditto.
1400 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
1401 * gcc/tree-ssa-forwprop.c
1402 (tree_ssa_forward_propagate_single_use_vars): Ditto.
1403 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
1404 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
1405 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
1406 (execute_late_warn_uninitialized): Ditto.
1407 * gcc/rtl.h (cleanup_barriers): Ditto.
1408 (split_all_insns_noflow): Ditto.
1409 (purge_line_number_notes): Ditto.
1410 (unshare_all_rtl): Ditto.
1411 (remove_unnecessary_notes): Ditto.
1412 (recompute_reg_usage): Ditto.
1413 (variable_tracking_main): Ditto.
1414 * gcc/integrate.c (emit_initial_value_sets): Ditto.
1415 * gcc/integrate.h (emit_initial_value_sets): Ditto.
1416 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
1417 (execute_free_cfg_annotations): Ditto.
1418 (execute_fixup_cfg): Ditto.
1419 (execute_cleanup_cfg_pre_ipa): Ditto.
1420 (execute_cleanup_cfg_post_optimizing): Ditto.
1421 (execute_init_datastructures): Ditto.
1422 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
1423 * gcc/combine.c (rest_of_handle_combine): Ditto.
1424 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
1425 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
1426 (rest_of_handle_reorder_blocks): Ditto.
1427 (rest_of_handle_partition_blocks): Ditto.
1428 * gcc/var-tracking.c (variable_tracking_main): Ditto.
1429 * gcc/tree-profile.c (tree_profiling): Ditto.
1430 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
1431 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
1432 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
1433 (rest_of_handle_sched2): Ditto.
1434 * gcc/basic-block.h (free_bb_insn): Ditto.
1435 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
1436 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
1437 (remove_useless_stmts): Ditto.
1438 (split_critical_edges): Ditto.
1439 (execute_warn_function_return): Ditto.
1440 (execute_warn_function_noreturn): Ditto.
1441 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
1442 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
1443 * gcc/passes.c (execute_one_pass): Run additional
1444 todos returned by execute function.
1445 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
1448 2006-03-02 Richard Guenther <rguenther@suse.de>
1450 * tree-ssa-alias.c (find_used_portions): Consider taking
1451 the address as making the variable not write-only.
1453 2006-03-02 Nick Clifton <nickc@redhat.com>
1455 * config.gcc (default_use_cxa_atexit): Extend the description of
1456 this configure variable. Set its default value to "yes" for
1457 Linux, NetBSD and ELF targets on the assumption that they will
1458 use C libraries with the __cxa_atexit function.
1460 2006-03-02 Ben Elliston <bje@au.ibm.com>
1462 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
1463 parameter as unused to suppress a build warning.
1465 2006-03-02 Ben Elliston <bje@au.ibm.com>
1467 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
1470 2006-03-01 Roger Sayle <roger@eyesopen.com>
1473 * gthr-posix.h (__gthrw2): Define to take three parameters, the
1474 declared name, the weak reference name, and the typeof name.
1475 (__gthrw): Avoid expanding the declared name suffix.
1476 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
1478 2006-03-01 Jakub Jelinek <jakub@redhat.com>
1480 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
1482 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
1483 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
1484 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
1485 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
1486 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
1487 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
1488 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
1489 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
1490 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
1491 DW_DS_leading_separate, DW_DS_trailing_separate): New.
1492 (DW_END_default, DW_END_big, DW_END_little): New.
1493 (DW_END_lo_user, DW_END_hi_user): Define.
1494 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
1495 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
1496 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
1499 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1501 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
1503 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
1505 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
1507 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
1509 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
1510 to 'symbol_mem_tag'.
1512 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
1515 2006-03-01 Roger Sayle <roger@eyesopen.com>
1517 * builtins.c (fold_builtin_copysign): Delete unreachable code.
1519 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1522 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
1523 MACHO_DYNAMIC_NO_PIC_P.
1524 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
1526 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1529 * config/darwin-protos.h (darwin_asm_output_anchor):
1531 * config/darwin-sections.def (cstring_section):
1532 Add SECTION_MERGE to the flags.
1533 (literal4_section): Likewise.
1534 (literal8_section): Likewise.
1535 (objc_selector_refs_section): Likewise.
1536 (objc_cls_refs_section): Likewise.
1537 * config/darwin.c (darwin_asm_output_anchor): New
1539 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1541 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
1543 Fix PR tree-optimization/26443
1544 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
1545 to todo and PROP_tmt_usage to properties_destroyed.
1546 * tree-ssa-ccp.c (pass_ccp): Ditto.
1547 (pass_store_ccp): Ditto.
1548 * tree-ssa-dom.c (pass_dominator): Ditto.
1550 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1552 * tree-ssa-operands.c: Cleanup whitespace.
1553 (get_asm_expr_operands): Move before first invocation.
1554 (get_indirect_ref_operands): Likewise.
1555 (get_tmr_operands): Likewise.
1556 (get_call_expr_operands): Likewise.
1557 (append_def): Likewise.
1558 (append_use): Likewise.
1559 (append_v_may_def): Likewise.
1560 (append_v_must_def): Likewise.
1561 (add_call_clobber_ops): Likewise.
1562 (add_call_read_ops): Likewise.
1563 (add_stmt_operand): Likewise.
1564 (add_virtual_operand): Likewise.
1565 (build_ssa_operands): Likewise.
1567 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1572 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1573 with a call expr to ...
1574 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1576 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1578 * tree-vrp.c (extract_range_from_assert): Remove special
1579 handling for types with super-types.
1581 2006-03-01 Ben Elliston <bje@au.ibm.com>
1583 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
1584 and powerpc64-*-linux* configurations.
1585 * config/t-dfprules: New file.
1587 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
1588 Compile dfp-bit.c from the source directory using -DWIDTH and
1589 $DFP_CFLAGS to control the compilation of that file, rather than
1590 generating width-specific versions in the build directory.
1591 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
1592 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
1594 2006-02-28 Zack Weinberg <zackw@panix.com>
1596 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
1599 2006-02-28 Eric Christopher <echristo@apple.com>
1601 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
1602 Set up IN_LIBGCC definition of TARGET_64BIT.
1603 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
1605 2006-02-28 Roger Sayle <roger@eyesopen.com>
1608 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
1609 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
1610 cases via the construction of "expr != 0".
1612 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1614 * alias.c (alias_invariant, alias_invariant_size): Remove.
1615 (record_base_value): Remove.
1616 (memrefs_conflict_p): Don't look at alias_invariant.
1617 (end_alias_analysis): Don't free it.
1618 * alias.h (record_base_value): Remove prototype.
1620 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
1621 Adam Nemet <anemet@caviumnetworks.com>
1623 * rtl.h (truncated_to_mode): Declare it.
1624 (struct rtl_hooks): Add reg_truncated_to_mode hook.
1625 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
1626 (RTL_HOOKS_INITIALIZER): Include it.
1627 * rtlhooks.c (reg_truncated_to_mode_general): New function.
1628 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
1629 reg_truncated_to_mode.
1630 * rtlanal.c (truncated_to_mode): Define it.
1631 * simplify-rtx.c (simplify_unary_operation_1): Use it.
1633 2006-02-28 Jeff Law <law@redhat.com>
1635 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
1636 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
1637 the range allowed by TYPE_PRECISION.
1639 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
1641 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
1643 PR tree-optimization/26419
1644 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
1647 2006-02-27 Zack Weinberg <zackw@panix.com>
1649 * doc/md.texi: Fix typo in previous change.
1651 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
1655 2006-02-27 Zack Weinberg <zackw@panix.com>
1657 * rtl.def (define_constraint, define_register_constraint)
1658 (define_memory_constraint, define_address_constraint): New MD forms.
1659 * gensupport.c (process_rtx): Put define_constraint etc on the
1661 * genpreds.c (process_define_predicate): Adjust comment. Validate
1662 the name, and call validate_exp to validate the expression.
1663 (mark_mode_tests, write_extract_subexp): Can assume correct input.
1664 (write_predicate_expr): Likewise. NAME argument no longer necessary;
1665 all callers changed.
1666 (validate_exp, needs_variable, struct constraint_data)
1667 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
1668 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
1669 (const_dbl_constraints, constraint_max_namelen)
1670 (have_register_constraints, have_memory_constraints)
1671 (have_address_constraints, have_address_constraints)
1672 (have_extra_constraints, have_const_int_constraints)
1673 (have_const_dbl_constraints, mangle, add_constraint)
1674 (process_define_constraint, process_define_register_constraint)
1675 (write_enum_constraint_num, write_lookup_constraint)
1676 (write_insn_constraint_len, write_regclass_for_constraint)
1677 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
1678 (write_insn_extra_memory_constraint)
1679 (write_insn_extra_address_constraint)
1680 (write_satisfies_constraint_fns): New.
1681 (write_tm_preds_h): If we have new-style constraint definitions,
1682 prototype the functions generated from them, and define the
1683 old constraint interface (still used by generic code) in terms of
1685 (write_insn_preds_c): If we have new-style constraint definitions,
1686 generate all relevant functions from those definitions.
1687 (main): Handle define_constraint etc.
1688 * genoutput.c (struct constraint_data, indep_constraints)
1689 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
1690 (mdep_constraint_len): New data structures and functions, defined
1691 #ifdef USE_MD_CONSTRAINTS.
1692 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
1693 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
1694 use new logic to validate operand constraints against constraint
1696 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
1698 * defaults.h: If none of the old-style constraint macros are
1699 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
1700 old-style macros; and poison REG_CLASS_FROM_LETTER,
1701 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
1703 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
1704 * doc/md.texi: Document new constraint-definition mechanism and the
1705 C interface it provides. Remove references to old mechanism
1706 elsewhere in the document.
1707 (Machine Constraints): Use pathnames relative to gcc directory,
1708 i.e. config/ARCH/FILE. Change i386 section to refer to
1709 config/i386/predicates.md; update that section to match docstrings.
1710 * doc/tm.texi: Move all documentation of the old constraint-
1711 definition macros to their own section, clearly mark as obsolete.
1713 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
1714 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
1716 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
1717 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1718 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
1720 (splits and peepholes): Use satisfies_constraint_*.
1721 * config/i386/i386.c (memory_address_length)
1722 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
1724 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1726 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
1727 scalar operation to be put back into the loop.
1729 2006-02-27 Jakub Jelinek <jakub@redhat.com>
1732 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
1733 (extract_cie_info): Handle S flag in augmentation string.
1734 (execute_cfa_program): If context->signal_frame, execute also
1735 fs->pc == context->ra instructions.
1736 (uw_frame_state_for): If context->signal_frame, don't subtract one
1737 from context->ra to find FDE.
1738 (uw_update_context_1): Set context->signal_frame to
1740 (_Unwind_GetIPInfo): New function.
1741 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
1742 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
1744 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
1745 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
1746 * unwind-compat.c (_Unwind_GetIPInfo): New function.
1747 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
1748 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
1749 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
1750 * config/i386/linux-unwind.h (x86_fallback_frame_state,
1751 x86_64_fallback_frame_state): Set fs->signal_frame.
1752 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
1753 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
1754 (frob_update_context): Likewise. Workaround missing S flag in
1755 Linux 2.6.12 - 2.6.16 kernel vDSOs.
1756 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
1757 Remove the psw_addr + 1 hack.
1759 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1761 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1762 with aggregates here.
1763 (find_func_aliases): Remove code for &<aggregate> from here.
1765 2006-02-26 Roger Sayle <roger@eyesopen.com>
1767 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1768 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1769 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1772 2006-02-26 Roger Sayle <roger@eyesopen.com>
1775 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1777 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1779 * opts.c (decode_options): Do not handle flag_strength_reduce.
1780 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1781 and OPT_fstrength_reduce.
1782 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1783 flag_prefetch_loop_arrays for being nonzero.
1784 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1786 (fprefetch-loop-arrays-rtl): Removed.
1787 (flag_prefetch_loop_arrays): Do not specify the value.
1789 * doc/passes.texi: Update documentation of loop optimizer
1791 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1792 -frerun-loop-opt): Remove.
1794 2006-02-26 Richard Guenther <rguenther@suse.de>
1796 PR tree-optimization/26421
1797 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1798 in function calls that are ADDR_EXPRs as using the whole structure.
1800 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1802 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1803 * tree-pass.h (pass_loop_optimize): Remove.
1804 * passes.c (pass_loop_optimize): Never run it.
1805 * toplev.c (backend_init): Don't call init_loop.
1806 * opts.c (flag_loop_optimize_set): Remove.
1807 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1808 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1809 the old RTL loop optimizer when profiling enabled.
1810 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1811 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1812 pre-headers for the sake of the old RTL loop optimizer.
1813 * Makefile.in: Remove all references to loop.o.
1815 * doc/invoke.texi: Remove all references to -floop-optimize
1816 and -frerun-loop-opt.
1818 2006-02-26 Zack Weinberg <zackw@panix.com>
1820 * doc/md.texi (Machine Constraints): Refer to all files with paths
1821 relative to gcc directory (i.e. config/CPU/file). Add missing
1822 @table @code ... @end table to M32C subsection.
1824 2006-02-26 Roger Sayle <roger@eyesopen.com>
1826 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1828 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1830 2006-02-26 Roger Sayle <roger@eyesopen.com>
1831 James A. Morrison <phython@gcc.gnu.org>
1834 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1835 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1836 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1837 signedness of the shift operation.
1839 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1841 PR tree-optimization/26359
1842 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1844 2006-02-25 Roger Sayle <roger@eyesopen.com>
1846 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1847 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1848 as X == 0, and some symmetry related transformations.
1849 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1851 2006-02-25 Roger Sayle <roger@eyesopen.com>
1854 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1855 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1856 symmetry related transformations. Fold (X^C1) == C2 as
1859 2006-02-25 Juergen Weigert <jw@suse.de>
1860 Richard Guenther <rguenther@suse.de>
1862 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1864 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1866 * combine.c (gen_lowpart_or_truncate): Call
1867 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1869 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1871 * doc/invoke.texi: Move -fopenmp description to "Options for
1873 Remove reference to -lgomp.
1875 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1877 * doc/install.texi: Require GNU tar version 1.14.
1879 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1881 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1882 * doc/invoke.texi (C++ Dialect Options): Document
1883 -fno-use-cxa-get-exception-ptr.
1884 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1885 * configure: Regenerate.
1886 * c.opt (fuse-cxa-get-exception-ptr): New.
1887 * c-opts.c (c_common_handle_option): Handle
1888 OPT_fuse_cxa_get_exception_ptr.
1889 * c-common.c (flag_use_cxa_atexit): Update documentation.
1890 (flag_use_cxa_get_exception_ptr): New.
1891 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1892 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1894 (C_COMMON_OVERRIDE_OPTIONS): New.
1896 2006-02-24 Roger Sayle <roger@eyesopen.com>
1899 * combine.c (try_combine): Explicitly check whether GET_CODE is
1900 a SET or a CLOBBER, instead on checking that it isn't a USE.
1902 2006-02-24 Roger Sayle <roger@eyesopen.com>
1904 * fold-const.c (fold_comparison): New subroutine of fold_binary
1905 containing transformations common to both the equality and
1906 ordering relational operators, factored out of fold_binary.
1907 (fold_binary): Separate out the equality operators (EQ_EXPR
1908 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1909 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1910 transformations common to both.
1911 (fold_div_compare): Fix latent bugs in the previously unreachable
1912 LT_EXPR and GE_EXPR cases.
1914 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1916 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1917 decl libname for clog to __clog on AIX.
1919 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1921 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1924 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1925 output traceback table for thunks. Localise rs6000_stack_info call.
1927 2006-02-23 Roger Sayle <roger@eyesopen.com>
1928 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1930 * gthr-posix.h (__gthrw): Fix typo in comment.
1932 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1934 * doc/cpp.texi (Character sets): Document that we do support
1935 input files to be in any character set.
1937 2006-02-23 Jeff Law <law@redhat.com>
1939 * tree.h (PHI_ARG_NONZERO): Remove.
1940 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1941 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1942 node to the new node.
1944 PR tree-optimization/26425
1945 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1946 min/max, then assume its varying.
1948 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1950 PR rtl-optimization/26316
1951 * rtlanal.c (enum may_trap_p_flags): New.
1952 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1953 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1954 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1955 (may_trap_after_code_motion_p): New function.
1956 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1957 (find_invariant_insn): Use may_trap_after_code_motion_p.
1958 * rtl.h (may_trap_after_code_motion_p): Declare.
1960 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1962 * emit-rtl.c (immed_double_const): Cleanup.
1964 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1966 Fix PR tree-optimization/26376
1967 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1970 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1973 * gimplify.c (omp_add_variable): Guard variable size decl test with
1974 DECL_SIZE (decl) check.
1976 2006-02-23 Richard Guenther <rguenther@suse.de>
1979 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1980 like aggregate types.
1982 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1984 * configure.ac: Add --with{,out}-long-double-128 configure option.
1985 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1986 * configure: Rebuilt.
1987 * config.in: Rebuilt.
1988 * doc/install.texi (Options specification): Document
1989 --with-long-double-128.
1991 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1992 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1993 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1994 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1996 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1998 * config/s390/s390.c (override_options): Handle
1999 TARGET_DEFAULT_LONG_DOUBLE_128.
2001 * config/alpha/alpha.c (override_options): Handle
2002 TARGET_DEFAULT_LONG_DOUBLE_128.
2004 * config/sparc/sparc.c (sparc_override_options): Handle
2005 TARGET_DEFAULT_LONG_DOUBLE_128.
2007 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
2009 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
2010 (real-install-headers-tar, real-install-headers-cpio)
2011 (real-install-headers-cp): New targets.
2013 2006-02-22 Richard Sandiford <richard@codesourcery.com>
2015 * tree.h (variable_section): Delete.
2016 * varasm.c (variable_section): Delete.
2018 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
2020 * install.texi: Add notes on install.texi2html.
2021 (Building in parallel): Do not use footnotes.
2023 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
2026 * doc/install.texi (Configuration): Document --disable-libgomp.
2028 2006-02-21 Geoffrey Keating <geoffk@apple.com>
2030 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
2032 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2034 * config/i386/sse.md (vec_extractv2df_1_sse): New.
2035 (vec_extractv2df_0_sse): New.
2037 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2039 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
2040 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
2041 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
2042 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
2043 to the result of the expression.
2044 (def_cfa_1): Adjust.
2045 (frame_pointer_cfa_offset): Rename to...
2046 (frame_pointer_fb_offset): ... this. Adjust all uses.
2047 (convert_cfa_to_loc_list): Rename to...
2048 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
2049 Pass it on to build_cfa_loc.
2050 (compute_frame_pointer_to_cfa_displacement): Rename to...
2051 (compute_frame_pointer_to_fb_displacement): ... this. New
2052 offset parameter. Use it in computation.
2053 (gen_subprogram_die): Compute cfa_fb_offset with the new
2054 macro, and use it to compute the fb loc list and the
2057 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
2059 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
2060 replaced with register_operand.
2061 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
2062 non-DREG is expensive.
2063 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
2064 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
2067 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
2069 * doc/install.texi2html: Use set -e.
2071 2006-02-21 Richard Sandiford <richard@codesourcery.com>
2073 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2074 (ASM_OUTPUT_SHARED_LOCAL): Delete.
2075 * doc/invoke.texi (-fshared-data): Delete.
2076 * common.opt (fshared-data): Delete.
2077 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
2078 (assemble_static_space): Remove #if 0 code.
2079 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2080 (ASM_OUTPUT_SHARED_LOCAL): Poison.
2081 * config/cris/cris.h: Remove FIXME.
2083 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
2085 * doc/sourcebuild.texi (Front End Directory): No more double-colon
2088 2006-02-21 Jakub Jelinek <jakub@redhat.com>
2091 * combine.c (simplify_shift_const_1): Disable nested shifts
2092 optimization for vector shifts.
2094 2006-02-20 Roger Sayle <roger@eyesopen.com>
2096 PR tree-optimization/26361
2097 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
2098 of unsigned integer types.
2100 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
2102 * tree-chrec.c (eq_evolutions_p): New.
2103 * tree-chrec.h (eq_evolutions_p): Declared.
2104 * tree-data-ref.c: Fix formatting.
2105 (datadep_stats, dependence_stats): New.
2107 (print_direction_vector): New.
2108 (dump_data_dependence_relation): Use print_direction_vector.
2109 (object_analysis, create_data_ref): Handle COMPONENT_REF.
2110 (compute_subscript_distance): Static.
2111 (initialize_data_dependence_relation): Static. Get the number
2112 of loops surrounding the references from the callers, and initialize
2113 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
2114 base_object_differ_p analyzers.
2115 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
2116 compute_overlap_steps_for_affine_1_2,
2117 analyze_subscript_affine_affine): Count the classified dependences.
2118 Print a message when a test failed.
2119 (can_use_analyze_subscript_affine_affine): New.
2120 (analyze_siv_subscript): Compute the data dependences on symbolic
2121 scevs that verify can_use_analyze_subscript_affine_affine.
2122 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
2123 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
2124 Handle symbolic scevs.
2125 (analyze_overlapping_iterations): Let symbolic affine scevs to be
2127 (subscript_dependence_tester): Moved...
2128 (build_classic_dist_vector, build_classic_dir_vector): Don't use
2129 lambda_vector_clear on newly allocated vectors. Get nb_loops from
2130 DDR_SIZE_VECT instead of getting it in parameter.
2131 (subscript_dependence_tester): ... here. Take as a parameter
2132 loop_nest_depth. Call build_classic_dist_vector and
2133 build_classic_dir_vector.
2134 (compute_affine_dependence): Update subscript_dependence_tester
2135 parameters. Update datadep_stats counters. Call
2136 compute_subscript_distance.
2137 (compute_self_dependence): Save the dist and dir vectors. Call
2138 compute_subscript_distance.
2139 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
2140 (compute_all_dependences): Reorder parameters as they were before
2141 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
2142 compute_subscript_distance. Update the use of
2143 compute_affine_dependence and initialize_data_dependence_relation.
2144 (find_data_references_in_loop): Handle COMPONENT_REF.
2145 (compute_data_dependences_for_loop): Initialize dependence_stats.
2146 Don't call build_classic_dist_vector and build_classic_dir_vector.
2147 Update the parameters of initialize_data_dependence_relation and
2148 compute_all_dependences. Print the statistics from datadep_stats.
2149 (analyze_all_data_dependences): Static. Not used until the pass for
2150 checking the data dependences is contributed.
2151 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
2152 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
2153 (initialize_data_dependence_relation, compute_affine_dependence,
2154 analyze_all_data_dependences, compute_subscript_distance): Removed.
2155 (print_direction_vector): New.
2156 * lambda.h (gcd): ... here.
2157 (lambda_vector_gcd): Moved here from gcd_vector.
2158 * lambda-code.c (gcd, gcd_vector): Removed.
2159 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
2160 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
2162 2006-02-20 Diego Novillo <dnovillo@redhat.com>
2164 * ipa-type-escape.c: Tidy some comments and white space.
2165 * tree-ssa-operands.c: Likewise.
2167 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
2170 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
2171 (dump_decl_name): Do not walk the decl tree chains.
2172 * tree-pass.h (TDF_CHAIN): Remove.
2174 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2176 * Makefile.in (C): Remove
2178 (.PHONY): Remove C and PROTO
2180 2006-02-20 Roger Sayle <roger@eyesopen.com>
2183 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
2184 deprecated CHAR_TYPE tree code.
2186 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2188 * configure.ac (target_list): Add install-info, dvi, html.
2189 * configure: Regenerate.
2191 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
2192 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
2193 treelang/Make-lang.in: Do not use double-colon rules.
2195 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
2197 * tree.h (struct tree_memory_tag): Add is_used_alone member.
2198 (TMT_USED_ALONE): New macro.
2199 * tree-pass.h (PROP_tmt_usage): New property.
2200 (TODO_update_tmt_usage): New todo.
2201 * tree-ssa-alias.c (updating_used_alone): New variable.
2202 (recalculate_used_alone): New function.
2203 (compute_may_aliases): Set updating_used_alone, call
2204 recalculate_used_alone.
2205 * tree-sra.c (pass_sra): Note that this pass destroys
2206 PROP_tmt_usage, and add TODO_update_tmt_usage.
2207 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2208 * tree-flow.h (updating_used_alone): Prototype.
2209 (recalculate_used_alone): Ditto.
2210 * passes.c (execute_todo): Add code to set updating_used_alone,
2211 and call recalculate.
2212 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
2213 for clobber if used alone, and add assert to verify used_alone
2216 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
2218 * config/s390/s390.c (legitimize_pic_address): Assertions checking
2219 for non tls symbols added.
2220 (legitimize_address): Do nothing for PLUS expressions if one of the
2221 addends is a tls symbol reference.
2223 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2227 * Makefile.in (LDFLAGS): Define from autoconf substitution.
2229 * Makefile.in (BOOTSTRAPPING): New.
2230 (quickstrap): New definition if BOOTSTRAPPING=yes.
2232 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
2233 * configure.ac: Substitute all_selected_languages with the languages
2234 that were configured. For all the other variables except
2235 lang_specs_files, include all the languages in the tree.
2236 * configure: Regenerate.
2238 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
2239 if there is one. Run the commands to run fixincludes in the same
2242 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
2243 * doc/install.texi: Document exact conventions for searching target tools.
2244 Document --with-build-time-tools. Document toplevel bootstrap. Document
2245 something more about building an Ada cross-compiler. Don't list GNU Make
2246 requirements which affect all platforms.
2248 2006-02-19 Roger Sayle <roger@eyesopen.com>
2251 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
2252 only equivalent if the have both the same mode and precision.
2254 2006-02-20 Ben Elliston <bje@au.ibm.com>
2256 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
2258 2006-02-19 Roger Sayle <roger@eyesopen.com>
2259 Steven Bosscher <stevenb.gcc@gmail.com>
2261 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
2262 constant pool references to identify stack mode constants.
2263 * rtlanal.c (constant_pool_constant_p): New predicate to check
2264 whether operand is a floating point constant in the pool.
2265 * rtl.h (constant_pool_constant_p): Prototype here.
2266 * loop.c (scan_loop): Avoid hoisting constants from the constant
2267 pool on STACK_REGS targets.
2268 (load_mems): Likewise.
2269 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
2270 loads into x87 registers expensive in terms of register pressure.
2272 2006-02-19 Roger Sayle <roger@eyesopen.com>
2274 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
2275 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
2277 2006-02-19 David Edelsohn <edelsohn@gnu.org>
2279 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2280 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
2282 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
2284 * doc/invoke.texi: Document -fipa-pta.
2285 * common.opt: Add ipa-pta option.
2286 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
2287 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
2288 (do_ds_constraint): Ditto.
2289 (get_constraint_for): Only add to referenced_vars if
2290 referenced_vars exists.
2291 (insert_into_field_list): Rewrite to do this unsorted.
2292 (insert_into_field_list_sorted): Rename old insert_into_field_list
2294 (create_function_info_for): Use insert_into_field_list_sorted.
2295 (create_variable_info_for): Rewrite so it uses unsorted version,
2296 since the field list is sorted.
2297 (intra_create_variable_infos): Only add to referenced_vars if
2298 referenced_vars exists.
2299 (ipa_pta_execute): Init heapvars, and delete when done.
2300 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
2302 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2304 * doc/install.texi: Add missing `@samp'.
2306 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2308 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
2311 2006-02-18 Mark Wielaard <mark@klomp.org>
2313 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
2314 who added new 4.1 features, bug fixes and integration support.
2316 2006-02-18 David Edelsohn <edelsohn@gnu.org>
2319 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
2322 2006-02-18 Richard Sandiford <richard@codesourcery.com>
2324 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
2325 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
2326 (copy_insn_1): Likewise. Don't copy each field individually.
2328 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
2330 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
2331 * rtl.c (rtx_size): Rename variable to...
2332 (rtx_code_size): ...this.
2333 (rtx_size): New function.
2334 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
2335 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
2337 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
2338 * rtl.h (rtx_code_size): New variable.
2339 (rtx_size): Change from a variable to a function.
2340 (RTX_SIZE): Rename to...
2341 (RTX_CODE_SIZE): ...this.
2344 PR tree-optimization/17106
2345 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
2346 (Anchored Addresses): New section.
2347 * doc/invoke.texi (-fsection-anchors): Document.
2348 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
2349 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
2350 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
2351 * hooks.c (hook_bool_mode_rtx_false): New function.
2352 * hooks.h (hook_bool_mode_rtx_false): Declare.
2353 * gengtype.c (create_optional_field): New function.
2354 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
2355 SYMBOL_REF_IN_BLOCK_P is true.
2356 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
2357 (min_anchor_offset, max_anchor_offset): Likewise.
2358 (use_anchors_for_symbol_p): New hook.
2359 * toplev.c (compile_file): Call output_object_blocks.
2360 (target_supports_section_anchors_p): New function.
2361 (process_options): Check that -fsection-anchors is only used on
2362 targets that support it and when -funit-at-a-time is in effect.
2363 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
2364 if the decl doesn't have one.
2365 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
2366 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
2367 of force_const_mem through use_anchored_address.
2368 (expand_expr_constant): New function.
2369 (expand_expr_addr_expr_1): Call it. Use the same modifier when
2370 calling expand_expr for INDIRECT_REF.
2371 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
2372 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
2373 * expr.h (use_anchored_address): Declare.
2374 * loop-unroll.c: Don't declare rtx vectors here.
2375 * explow.c: Include output.h.
2376 (validize_mem): Call use_anchored_address.
2377 (use_anchored_address): New function.
2378 * common.opt (-fsection-anchors): New switch.
2379 * varasm.c (object_block_htab, anchor_labelno): New variables.
2380 (hash_section, object_block_entry_eq, object_block_entry_hash)
2381 (use_object_blocks_p, get_block_for_section, create_block_symbol)
2382 (use_blocks_for_decl_p, change_symbol_section): New functions.
2383 (get_variable_section): New function, split out from assemble_variable.
2384 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
2385 use_blocks_for_decl_p say so. Use change_symbol_section if the
2386 symbol has already been created.
2387 (assemble_variable_contents): New function, split out from...
2388 (assemble_variable): ...here. Don't output any code for
2389 block symbols; just pass them to place_block_symbol.
2390 Use get_variable_section and assemble_variable_contents.
2391 (get_constant_alignment, get_constant_section, get_constant_size): New
2392 functions, split from output_constant_def_contents.
2393 (build_constant_desc): Create a block symbol if use_object_blocks_p
2394 says so. Or into SYMBOL_REF_FLAGS.
2395 (assemble_constant_contents): New function, split from...
2396 (output_constant_def_contents): ...here. Don't output any code
2397 for block symbols; just pass them to place_section_symbol.
2398 Use get_constant_section and get_constant_alignment.
2399 (force_const_mem): Create a block symbol if use_object_blocks_p and
2400 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
2401 (output_constant_pool_1): Add an explicit alignment argument.
2402 Don't switch sections here.
2403 (output_constant_pool): Adjust call to output_constant_pool_1.
2404 Switch sections here instead. Don't output anything for block symbols;
2405 just pass them to place_block_symbol.
2406 (init_varasm_once): Initialize object_block_htab.
2407 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
2408 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
2409 (place_block_symbol, get_section_anchor, output_object_block)
2410 (output_object_block_htab, output_object_blocks): New functions.
2411 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
2412 (TARGET_ASM_OUT): Include it.
2413 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
2414 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
2415 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
2416 (TARGET_INITIALIZER): Include them.
2417 * rtl.c (rtl_check_failed_block_symbol): New function.
2418 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
2419 (block_symbol, object_block): New structures.
2420 (rtx_def): Add a block_symbol field to the union.
2421 (BLOCK_SYMBOL_CHECK): New macro.
2422 (rtl_check_failed_block_symbol): Declare.
2423 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
2424 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
2425 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
2426 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
2427 * output.h (output_section_symbols): Declare.
2428 (object_block): Name structure.
2429 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
2430 (default_use_anchors_for_symbol_p): Declare.
2431 * Makefile.in (RTL_BASE_H): Add vec.h.
2432 (explow.o): Depend on output.h.
2433 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
2434 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2435 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2436 (rs6000_use_blocks_for_constant_p): New function.
2438 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2440 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
2442 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2445 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
2448 2006-02-18 Diego Novillo <dnovillo@redhat.com>
2450 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
2454 2006-02-18 Jakub Jelinek <jakub@redhat.com>
2457 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
2458 instead of DECL_REGISTER.
2460 2006-02-18 Olivier Hainque <hainque@adacore.com>
2463 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
2465 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
2468 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
2469 * opth-gen.awk: Handle Var and InverseMask together.
2470 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
2471 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
2472 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
2473 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
2475 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2476 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2477 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
2478 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2479 LINUX_DYNAMIC_LINKER): Define.
2480 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
2481 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
2483 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2484 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
2485 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2486 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2487 (TARGET_C99_FUNCTIONS): Don't define.
2488 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
2489 GLIBC_DYNAMIC_LINKER.
2490 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
2491 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
2492 GLIBC_DYNAMIC_LINKER64): Define.
2493 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2494 LINUX_DYNAMIC_LINKER64.
2495 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2496 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2497 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
2498 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2499 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2500 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2501 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
2502 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
2503 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
2504 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
2505 and LINUX_DYNAMIC_LINKER32.
2506 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2507 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2508 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
2509 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2510 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
2512 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
2513 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
2514 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2515 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2516 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2517 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
2518 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
2519 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
2520 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2521 LINUX_DYNAMIC_LINKER): Define.
2522 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
2523 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
2524 GLIBC_DYNAMIC_LINKER64): Define.
2525 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2526 LINUX_DYNAMIC_LINKER64.
2527 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2528 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2529 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
2530 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2531 LINUX_DYNAMIC_LINKER): Define.
2532 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2533 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2534 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
2535 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
2536 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
2537 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2538 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
2539 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
2540 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2541 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2542 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2543 * doc/invoke.texi (-muclibc): Remove caveat about supported
2546 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2548 * doc/cpp.texi (__TIMESTAMP__): Document.
2550 2006-02-17 Roger Sayle <roger@eyesopen.com>
2553 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
2554 C is one less than the width of X (and related transformations).
2555 * simplify-rtx.c (simplify_unary_operation_1): Transform
2556 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
2557 depending on STORE_FLAG_VALUE, were C is one less then the
2560 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
2562 Fix PR tree-optimization/26341
2563 * tree-ssa-operands.c (add_virtual_operand): Remove assert
2564 about NAME_MEMORY_TAG's.
2566 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2569 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
2570 with hardware float support, and software float support. Add fcpy
2571 alternative to hardware patterns. Add alternatives to copy between
2572 general and floating-point registers to the 32-bit pattern.
2573 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
2574 secondary reload to load a QI or HI mode constant into a floating
2576 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
2577 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
2579 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
2582 * config/rs6000/darwin.md (load_macho_picbase_si): Add
2584 (load_macho_picbase_di): Likewise.
2586 2006-02-16 Jeff Law <law@redhat.com>
2588 * tree-vrp.c (set_value_range_to_nonnegative): New function.
2589 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
2590 (ssa_name_nonzero_p): Likewise.
2591 (get_value_range): Return NULL if VRP is not running.
2592 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
2593 VRP routines do not discover a range.
2594 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
2595 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
2596 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
2597 (tree_expr_nonnegative_p): Similarly.
2598 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
2599 (restore_nonzero_vars_to_original_value): Remove.
2600 (unsafe_associative_fp_binop): Remove.
2601 (tree_ssa_dominator_optimize): Remove initialization and
2602 finalization of nonzero_vars and nonzero_vars_stack.
2603 (dom_opt_initialize_block): No longer push marker on
2605 (dom_opt_finalize_block): No longer call
2606 restore_nonzero_vars_to_original_value.
2607 (record_equivalences_from_phis): No longer look for
2608 nonzero PHI arguments.
2609 (cprop_into_successor_phis): No longer propagate nonzero
2610 property into PHI arguments. Lose unused argument. Caller
2612 (record_equivalences_from_stmt): No longer record nonzero
2613 values for SSA_NAMEs.
2614 (lookup_avail_expr): No longer use nonzero_vars.
2616 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
2617 for sizetype when sizetype is unsigned.
2619 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
2621 PR rtl-optimization/25603
2622 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
2623 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
2624 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
2625 with new meaning of SETS.
2627 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
2632 * config/linux.opt: New file.
2633 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2634 LINUX_DYNAMIC_LINKER): Define.
2635 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
2636 * config.gcc (*-*-linux*): Define extra_options.
2637 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
2638 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
2639 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
2640 GLIBC_DYNAMIC_LINKER.
2641 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
2642 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2643 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2644 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2645 * doc/invoke.texi (GNU/Linux Options): New section.
2647 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2649 * config/sparc/sparc.md (setjmp): Rewrite.
2650 (setjmp_32): Delete.
2651 (setjmp_64): Likewise.
2653 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
2655 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
2658 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2660 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
2663 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2665 PR rtl-optimization/26296
2666 * Makefile.in (loop-invariant.c): Add except.h dependency.
2667 * loop-invariant.c: Include except.h.
2668 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
2670 2005-02-16 Paul Brook <paul@codesourcery.com>
2672 * reload1.c (emit_reload_insns): Invalidate dead input registers used
2675 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
2677 PR rtl-optimization/25636
2678 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
2679 when deciding whether an insn is an initializing insn.
2681 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
2683 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
2684 (tree_code_size): Ditto.
2685 * tree.h (struct tree_memory_tag): Remove parent_var.
2686 (struct tree_struct_field_tag): New.
2689 (union tree_node): Add sft member.
2690 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
2692 (create_sft): Add size and offset argument, set SFT_OFFSET and
2694 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
2695 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
2696 * tree-flow-inline.h (get_subvar_at): Update for
2697 SFT_OFFSET/SFT_SIZE.
2698 (var_can_have_subvars): Ditto.
2699 (overlap_subvar): Ditto.
2700 * print-tree.c (print_node): Print out interesting things for
2702 * tree-flow.h (struct subvar): Remove offset and size members.
2703 * tree-ssa-operands.c (get_expr_operands): Update for
2704 get_indirect_ref_operands changes.
2705 (get_indirect_ref_operands): Call add_virtual_operand instead of
2706 add_stmt_operand. Only recurse on base var if requested.
2707 (access_can_touch_variable): New function.
2708 (add_stmt_operand): Split virtual operand handling into ...
2709 (add_virtual_operand): Here. Add offset, size, and for_clobber
2710 arguments. Prune alias sets.
2711 (add_call_clobber_ops): Call add_virtual_operand.
2713 2006-02-15 Jakub Jelinek <jakub@redhat.com>
2716 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
2718 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
2719 than TREE_CODE as index into omp_clause_num_ops array.
2721 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
2723 PR rtl-optimization/26184
2724 * modulo-sched.c (generate_reg_moves): Free bitmap vector
2726 * modulo-sched.c (sms_schedule): Free g_arr pointer.
2727 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
2728 must_precede, must_follow and tobe_scheduled.
2731 * opts.c (common_handle_option): Free new_option pointer.
2732 * df-core.c (df_analyze): Free postorder pointer.
2734 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2736 * Makefile.in: Fix the examples about the use of stamps
2738 2006-02-15 Michael Matz <matz@suse.de>
2742 * stor-layout.c (layout_decl): Zero-width bitfields aren't
2743 influenced by maximum_field_alignment or DECL_PACKED.
2744 (update_alignment_for_field): Ditto.
2745 (place_field): Ditto.
2746 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
2749 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
2751 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
2752 (debug_flow_info): Pass it.
2753 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
2754 * bb-reorder.c (reorder_basic_blocks): Likewise.
2755 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
2756 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
2757 * flow.c (life_analysis, recompute_reg_usage): Likewise.
2758 * gcse.c (gcse_main, bypass_jumps): Likewise.
2759 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2760 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2761 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2762 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2763 * rtl.h (dump_flow_info): Adjust prototype.
2764 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2765 * var-tracking.c (variable_tracking_main): Likewise.
2766 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2767 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2770 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2772 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2775 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2777 PR tree-optimization/26209
2778 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2779 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2781 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2783 2006-02-14 Roger Sayle <roger@eyesopen.com>
2786 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2787 (X,Y) and the corresponding symmetry related transformations.
2788 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2789 (X,Y) and its symmetry related transformations.
2791 2006-02-14 Roger Sayle <roger@eyesopen.com>
2793 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2796 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2798 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2800 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2803 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2804 support COMDAT group.
2805 * configure: Regenerate.
2807 2006-02-14 Roger Sayle <roger@eyesopen.com>
2812 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2814 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2816 Fix PR tree-optimization/26260
2818 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2820 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2821 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2822 * tree-ssa-structalias.c (create_variable_info_for): Use
2823 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2825 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2827 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2829 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2830 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2831 of the ending condition.
2832 * tree-ssa-loop-manip.c: Include params.h.
2833 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2834 tree_unroll_loop): New functions.
2835 * tree-pass.h (pass_loop_prefetch): Declare.
2836 * loop.c (rest_of_handle_loop_optimize): Test for
2837 -fprefetch-loop-arrays-rtl.
2838 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2839 * timevar.def (TV_TREE_PREFETCH): New timevar.
2840 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2841 pass_loop_prefetch): New.
2842 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2843 (cleanup_tree_cfg_loop): Call scev_reset.
2844 * common.opt (fprefetch-loop-arrays-rtl): Add.
2845 * tree-ssa-loop-prefetch.c: New file.
2846 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2847 (new_temp_expr_table): Initialize expr_vars.
2848 (free_temp_expr_table): Cleanup expr_vars.
2849 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2850 expressions from being merged into one.
2851 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2852 (struct tree_niter_desc): Add control, bound and cmp fields.
2853 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2855 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2856 (tree-cfgcleanup.o): Add SCEV_H dependency.
2857 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2858 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2860 2006-02-14 Richard Guenther <rguenther@suse.de>
2862 PR tree-optimization/26258
2863 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2864 in PHI argument processing.
2866 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2868 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2869 new expression in the requested machine mode.
2871 2006-02-13 Roger Sayle <roger@eyesopen.com>
2873 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2874 directly, instead let do_compare_rtx_and_jump handle this for us.
2875 * expr.c (expand_expr_real_1): Likewise.
2876 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2877 before do_jump_by_parts_greater.
2878 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2879 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2881 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2883 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2885 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2887 PR rtl-optimization/26235
2888 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2889 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2892 2006-02-13 Jeff Law <law@redhat.com>
2894 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2897 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2900 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2901 twice if decl is a builtin. When trying again, call get_callee_fndecl
2902 first to verify it is still a builtin.
2904 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2906 * dwarf2out.c (base_type_die): Don't add AT_name here.
2907 (subrange_type_die): Don't add AT_name here.
2908 (modified_type_die): Rearrange code flow. Do add AT_name here.
2910 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2912 PR rtl-optimization/26247
2913 PR rtl-optimization/26248
2914 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2916 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2918 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2919 * config/fixtfdi.c: Likewise.
2920 * config/fixunstfdi.c: Likewise.
2921 * config/floatditf.c: Likewise.
2923 2006-02-13 Roger Sayle <roger@eyesopen.com>
2926 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2927 into (X,C2) if C1 is a subset of the bits of C2. Transform
2928 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2930 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2932 2006-02-13 Josh Conner <jconner@apple.com>
2935 * varasm.c (function_section): Check for section name before
2936 calling select_section on targets that define
2937 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2938 unlikely_text_section instead of hot_function_section if
2939 first_function_block_is_cold.
2941 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2944 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2946 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2948 PR rtl-optimization/26222
2949 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2950 after tree->rtl expansion.
2951 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2952 before passing it to emit_move_insn.
2954 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2956 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2958 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2959 Clarify documentation.
2960 * c-common.h (warn_write_strings): Remove.
2961 * c-common.c (warn_write_strings): Likewise.
2962 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2965 2006-02-12 Roger Sayle <roger@eyesopen.com>
2968 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2969 (do_jump_parts_zero_rtx): New function renamed from
2970 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2971 (do_jump_parts_equality_rtx): New function split out from
2972 do_jump_parts_equality. Old implementation renamed as above.
2973 Call do_jump_parts_zero_rtx if either operand is zero.
2974 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2975 do all of the heavy lifting.
2976 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2977 calling either do_jump_by_parts_greater_rtx or
2978 do_jump_by_parts_equality_rtx.
2979 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2980 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2981 moved to do_compare_rtx_and_jump, call it directly.
2982 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2983 mode argument. Call do_compare_rtx_and_jump.
2984 (emit_case_nodes): Update calls to do_jump_if_equal.
2986 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2988 PR rtl-optimization/26225
2989 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2991 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2993 PR rtl-optimization/26232
2994 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2996 2006-02-11 Jason Merrill <jason@redhat.com>
2999 * tree-inline.c (declare_return_variable): Just don't use the
3000 modify target if it's a gimple complex reg and the return slot
3003 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3005 * doc/contrib.texi: Update my entry.
3007 2006-02-10 Geoffrey Keating <geoffk@apple.com>
3009 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
3011 2006-02-10 Diego Novillo <dnovillo@redhat.com>
3013 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
3016 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
3018 * doc/invoke.texi (-floop-optimize2): Removed.
3019 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
3020 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
3021 Test flag_branch_on_count_reg only if HAVE_doloop_end.
3022 * common.opt (floop-optimize2): Removed.
3023 (fmove-loop-invariants): Enabled by default.
3025 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
3027 * tree-if-conv.c (combine_blocks): Free the result of
3028 get_loop_exit_edges.
3030 2006-02-10 Jeff Law <law@redhat.com>
3032 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
3034 PR tree-optimization/26213
3035 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
3036 loop trying to follow SSA_NAME_VALUE chains.
3038 2006-02-10 Richard Guenther <rguenther@suse.de>
3040 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
3041 deal with structures that end in implicitly variable sized arrays.
3043 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3045 PR rtl-optimization/24762
3046 * df-scan.c (df_bb_refs_record): Record correct registers defined on
3049 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3051 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
3052 (struct ivopts_data): Add regs_used field.
3053 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
3054 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
3055 instead of loop_data->regs_used;
3056 (free_loop_data): Do not free aux fields for loops.
3057 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
3058 and tree_ssa_iv_optimize_finalize.
3060 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
3062 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
3064 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3067 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
3068 computing the effective result type.
3070 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3073 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
3074 (tree_overlaps_hard_reg_set): Declare.
3075 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
3076 type and signature to match function type expected by walk_tree.
3077 (tree_overlaps_hard_reg_set): New function.
3078 (decl_conflicts_with_clobbers_p): Rename to:
3079 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
3080 Use tree_overlaps_hard_reg_set. Changed caller.
3081 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
3082 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
3083 * cris.c (cris_md_asm_clobbers): Likewise.
3085 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
3087 * reload1.c (emit_input_reload_insns): Delete code that tries to
3088 inherit using find_equiv_reg.
3090 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
3092 * c-common.h (flag_const_strings): Don't declare.
3093 * c-common.c (flag_const_strings): Remove.
3094 * c.opt (fconst_strings): Remove.
3095 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
3096 <OPT_Wwrite_strings>: Don't set flag_const_strings.
3097 (c_common_init_options): Don't set flag_const_strings.
3098 * doc/invoke.texi (-fno-const-strings): Remove documentation.
3100 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
3102 * arm.md (tlobits_cbranch): New pattern.
3103 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
3104 testing a single bit.
3106 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3109 * tree-ssa-pre.c (create_component_ref_by_pieces):
3110 Handle RETURN_DECL like VAR_DECL.
3112 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3115 * fold-const.c (fold_indirect_ref_1): Fold
3116 "*(foo *)&complexfoo" to "__real__ complexfoo"
3117 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
3119 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3121 * tree-flow-inline.h (var_can_have_subvars):
3122 Volatile variables should not have subvariables.
3124 2006-02-09 Diego Novillo <dnovillo@redhat.com>
3127 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
3128 multiplying unsigned values.
3131 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3133 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
3135 2006-02-08 Jason Merrill <jason@redhat.com>
3138 * tree.def: Elaborate on difference from MODIFY_EXPR.
3139 * doc/c-tree.texi (INIT_EXPR): Likewise.
3140 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
3141 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
3142 (gimplify_target_expr): Likewise.
3143 (gimplify_cond_expr): Remove target handling.
3144 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
3145 (gimplify_expr): Clobber it here.
3146 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
3147 Do return slot optimization if we have an INIT_EXPR.
3150 * tree-inline.c (declare_return_variable): Also clear
3151 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
3154 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
3157 * gimplify.c (gimplify_one_sizepos): Fix typo.
3159 2006-02-08 Jeff Law <law@redhat.com>
3161 PR tree-optimization/21417
3162 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
3163 across a backedge if the control statement at the end of the
3164 block is data dependent on other statements in the same block.
3165 (record_temporary_equivalences_from_stmts): Remove over-conservative
3166 test for threading across backedges.
3168 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
3169 control statement, handle all three special cases in the same
3170 manner as they all have the same desired solution. No longer
3171 special case edge flag updating when the post dominator is
3174 2006-02-08 Roger Sayle <roger@eyesopen.com>
3176 * tree.def (CHAR_TYPE): Remove.
3177 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
3178 * dwarf2out.c (base_type_die, is_base_type): Likewise.
3179 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
3180 (gen_string_type_die): Delete unreachable function.
3182 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
3183 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
3184 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
3185 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
3186 * builtins.c (type_to_class): Likewise.
3187 * fold-const.c (fold_convert, build_range_check,
3188 merge_ranges): Likewise.
3189 * expr.c (count_type_elements): Likewise.
3190 * c-pretty-print.c (pp_c_type_specifier): Likewise.
3191 * stor-layout.c (layout_type): Likewise.
3192 * ipa-type-escape.c (type_to_consider): Likewise.
3193 * gimplify.c (omp_firstprivatize_type_sizes,
3194 gimplify_type_sizes): Likewise.
3195 * explow.c (promote_mode): Likewise.
3196 * tree-sra.c (is_sra_scalar_type): Likewise.
3197 * varasm.c (output_constant): Likewise.
3198 * tree-inline.c (remap_type_1): Likewise.
3199 * convert.c (convert_to_pointer, convert_to_real,
3200 convert_to_integer, convert_to_complex): Likewise.
3202 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
3204 * df-scan.c (df_def_record_1): A set destination may
3205 be a parallel regardless of mode.
3207 2006-02-08 Roger Sayle <roger@eyesopen.com>
3210 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
3211 * config/mips/_tilib.c: Remove.
3212 * config/fixtfdi.c: New libgcc source file.
3213 * config/fixunstfdi.c: New source file.
3214 * config/floatditf.c: New source file.
3215 * config/floatunditf.c: New souce file.
3216 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3217 files above instead of config/mips/_tilib.c.
3218 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3220 2006-02-08 Jeff Law <law@redhat.com>
3222 PR tree-optimization/26169
3223 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
3226 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
3228 * df.h (DF_REG_SIZE): Return the length of the initialized
3231 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
3233 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
3234 __muldf3): Return a correctly signed zero.
3236 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
3238 * passes.c (register_one_dump_file): Accept the current properties
3239 instead of pass number. Adjust call to dump_register. Remove
3241 (register_dump_files): Now a wrapper around...
3242 (register_dump_files_1): ... this one. Do not modify the pass
3244 (next_pass_1): Cosmetic fix.
3245 (execute_todo): Keep second parameter only. Use curr_properties
3246 instead of fetching it from the pass structure. Check and set
3248 (execute_one_pass): Handle TODO_set_props. Use curr_properties
3249 instead of fetching it from the pass structure. Fix calls to
3250 execute_todo. Update curr_properties and initialize .vcg RTL dump
3251 after running the pass. Reset last_verified.
3252 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
3254 (FIRST_AUTO_NUMBERED_DUMP): New.
3255 (dump_register): Remove "num" parameter, assign it within the
3257 (get_dump_file_name): Modify template for dumps.
3258 * tree-dump.h (dump_register): Adjust prototype.
3259 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
3260 (PROP_trees): Add PROP_gimple_lomp.
3261 (TODO_set_props): New.
3262 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
3263 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
3264 * cfgexpand.c (pass_expand): Destroy PROP_trees.
3266 2006-02-08 Jakub Jelinek <jakub@redhat.com>
3268 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
3269 (sparc64-*-linux*): Likewise.
3270 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
3271 * config/sparc/t-linux: New file.
3272 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
3273 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
3274 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
3275 -m32 -mlong-double-128.
3277 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
3278 * config/alpha/t-linux: New file.
3279 * config/alpha/libgcc-alpha-ldbl.ver: New file.
3281 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
3282 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
3283 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
3284 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
3285 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
3286 (CPP_ARCH32_SPEC): Remove.
3288 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
3290 PR tree-optimization/26145
3291 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
3294 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3297 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
3298 >= 240000 when generating code for SOM runtime.
3299 (output_indirect_call): Don't use "b,l" instruction for indirect calls
3300 to $$dyncall when generating code for SOM runtime..
3302 2006-02-07 Dirk Mueller <dmueller@suse.com>
3305 * doc/invoke.texi (-Wsequence-point): Update documentation
3306 that -Wsequence-point is implemented for C++ as well.
3308 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3310 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
3311 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
3312 (LIB_SPEC): Likewise.
3313 * doc/invoke.texi (SPARC options): Document -pthread.
3315 2006-02-07 Geoffrey Keating <geoffk@apple.com>
3317 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
3320 2006-02-07 Roger Sayle <roger@eyesopen.com>
3322 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
3323 Correct comment describing BOOLEAN_TYPE.
3325 2006-02-07 Dirk Mueller <dmueller@suse.com>
3327 * c.opt: C++ frontend supports -Wdiv-by-zero.
3328 * c-opts.c (c_common_handle_option): Remove dead case.
3330 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3332 * configure.ac (TLS assembler check): Do not enable TLS by
3333 default on SPARC/Solaris before version 10.
3334 * configure: Regenerate.
3336 2006-02-07 David Edelsohn <edelsohn@gnu.org>
3338 * doc/invoke.texi (xl-compat): Document conversion and support
3341 2006-02-07 Jeff Law <law@redhat.com>
3343 * tree-vrp.c (find_conditional_asserts): Update comments.
3344 (simplify_stmt_for_jump_threading): New.
3345 (identify_jump_threads, finalize_jump_threads): New.
3346 (vrp_finalize): Call identify_jump_threads.
3347 (execute_vrp): Call finalize_jump_threads.
3348 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
3349 (vrp_element, vrp_data, vrp_element_p): Remove.
3350 (vrp_hash_elt, vrp_variables_stack): Remove.
3351 (vrp_hash, vrp_eq, record_range): Remove.
3352 (simplify_cond_and_lookup_avail_expr): Remove.
3353 (extract_range_from_cond): Remove.
3354 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
3355 (simplify_stmt_for_jump_threading): New.
3356 (dom_thread_across_edge): New wrapper.
3357 (tree_ssa_dominator_optimize): No longer initialize or
3358 finalize any of the VRP datastructures. Remove iteration
3359 step and simplify as a result of removal of iteration step.
3360 (pass_dominator): Perform a cfg cleanup after DOM.
3361 (dom_opt_finalize_block): Use the new common routines
3362 for threading jumps. Simplify stack management slightly.
3363 No longer need to unwind VRP state.
3364 (record_equivalences_from_incoming_edge): No longer record
3366 (eliminate_redundant_computations): No longer call
3367 simplify_cond_and_lookup_avail_expr.
3368 * tree-flow.h (potentially_threadable_block): Prototype.
3369 (thread_across_edge): Likewise.
3370 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
3371 (tree-ssa-threadedge.o): Add dependencies.
3372 * tree-ssa-threadedge.c: New file.
3373 * passes.c (init_optimization_passes): Merge PHIs before
3374 calling VRP. Run VRP again late in the SSA optimization pipeline.
3376 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3378 * df-core.c (df_set_blocks): Do not dereference function pointers.
3379 (df_finish1): Likewise.
3380 (df_hybrid_search_forward): Likewise.
3381 (df_hybrid_search_backward): Likewise.
3382 (df_iterative_dataflow): Likewise.
3383 (df_analyze_problem): Likewise.
3384 (df_compact_blocks): Likewise.
3385 (df_dump): Likewise.
3386 * df-scan.c (df_rescan_blocks): Likewise.
3387 (df_record_entry_block_defs): Likewise.
3389 * genconditions.c (write_conditions): Guard the definition of
3390 'insn_conditions' with the check on GCC version.
3391 (write_writer): Guard the traversal 'insn_conditions' with
3392 the check on GCC version.
3394 2006-02-07 Richard Guenther <rguenther@suse.de>
3398 2006-01-30 Richard Guenther <rguenther@suse.de>
3400 * gimplify.c (gimplify_target_expr): Handle easy cases
3401 without creating a temporary.
3403 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
3405 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
3406 use of float in probability computations. Use edge probabilities
3407 in place of statically computed probabilities.
3408 (min_spec_prob): New static variable.
3409 (schedule_insns): Initialize it.
3410 (GET_SRC_PROB): Removed.
3411 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
3413 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
3416 * config/ia64/unwind-ia64.c: Revert last change.
3417 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
3418 (INCOMING_FRAME_SP_OFFSET): Define.
3420 2006-02-06 Roger Sayle <roger@eyesopen.com>
3422 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
3424 2006-02-07 Ben Elliston <bje@au.ibm.com>
3426 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
3427 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
3428 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
3429 (ix86_return_in_memory): Handle TDmode.
3430 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
3431 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
3433 2006-02-06 Richard Sandiford <richard@codesourcery.com>
3435 * reorg.c (dbr_schedule): Use dump_file instead of file.
3437 2006-02-06 Steve Ellcey <sje@cup.hp.com>
3440 * config/ia64/predicates.md (extr_len_operand): New predicate.
3441 * config/ia64/ia64.md (extv): Tighten constraints.
3443 (*tbit_and_2): Ditto.
3444 (*tbit_and_3): Ditto.
3445 (*tbit_or_2): Ditto.
3446 (*tbit_or_3): Ditto.
3450 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
3453 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
3455 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3457 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
3458 loop_optimizer_init and loop_optimizer_finalize
3459 * tree-ssa-sink.c (execute_sink_code): Ditto.
3460 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3461 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
3462 tree_ssa_loop_done): Ditto.
3463 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
3464 * sched-ebb.c: Include output.h.
3465 (schedule_ebbs): Do not use dump argument.
3466 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
3467 * loop.c (loop_dump_stream): Removed.
3468 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
3470 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
3471 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
3472 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
3473 loop_iterations, strength_reduce, record_biv, record_giv,
3474 final_giv_value, check_final_value, check_ext_dependent_givs,
3475 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
3476 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
3477 dump_file instead of loop_dump_stream.
3478 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
3480 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
3482 * flow.c (life_analysis, rest_of_handle_life): Ditto.
3483 * haifa-sched.c: Include output.h
3484 (schedule_insns, sched_init): Do not use dump argument.
3485 * mode-switching.c (optimize_mode_switching): Ditto.
3486 * modulo-sched.c (stats_file): Removed.
3487 (print_node_sched_params): Do not call argument dump_file.
3488 (sms_schedule_by_order, loop_canon_p, sms_schedule,
3489 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
3491 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
3493 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
3494 rtl_loop_init, rtl_loop_done): Ditto.
3495 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
3496 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
3498 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
3499 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
3500 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
3501 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
3502 * emit-rtl.c (renumber_insns): Ditto.
3503 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
3504 expand_gimple_basic_block, tree_expand_cfg): Ditto.
3505 * regclass.c (regclass): Ditto.
3506 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
3507 remove_ssa_form, rewrite_out_of_ssa): Ditto.
3508 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
3509 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
3511 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
3512 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
3514 * gcse.c (gcse_file, debug_stderr): Removed.
3515 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
3516 rest_of_handle_gcse): Do not use dump argument.
3517 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
3518 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
3519 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
3520 compute_code_hoist_vbeinout, compute_code_hoist_data,
3521 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
3522 compute_store_table, build_store_vectors, insert_insn_start_bb,
3523 insert_store, remove_reachable_equiv_notes, replace_store_insn,
3524 store_motion): Use dump_file instead of gcse_file.
3525 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
3526 * profile.c (profile_dump_file): Removed.
3527 (branch_prob): Use dump_file instead of profile_dump_file.
3528 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
3530 * tree-ssa-copy.c (dump_copy_of): Ditto.
3531 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
3532 dump file to life_analysis.
3533 * bt-load.c (branch_target_load_optimize): Ditto.
3534 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
3536 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
3537 regclass, dbr_schedule): Declaration changed.
3538 * sched-int.h (sched_init): Declaration changed.
3539 * tree-profile.c (tree_profile_dump_file): Removed.
3540 (tree_profile_hooks): Removed profile_dump_file hook.
3541 * rtl-profile (rtl_profile_dump_file): Removed.
3542 (rtl_profile_hooks): emoved profile_dump_file hook.
3543 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
3545 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
3546 * tree-cfg.c (build_tree_cfg): Ditto.
3547 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
3548 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
3549 Declaration changed.
3550 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
3551 life_analysis and schedule_insns.
3552 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
3554 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
3556 * config/mips/mips.c (mips_reorg): Ditto.
3557 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
3560 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
3562 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3563 (s390_mangle_fundamental_type): New.
3564 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3567 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3568 (alpha_mangle_fundamental_type): New.
3569 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3572 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3574 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3576 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3577 (sparc_mangle_fundamental_type): New.
3579 2006-02-06 Jakub Jelinek <jakub@redhat.com>
3581 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
3582 (s390x-*-linux*): Likewise.
3583 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
3584 * config/s390/t-linux: New file.
3586 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3588 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
3589 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
3591 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
3593 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
3594 (ANTIC_SAFE_LOADS): New macro.
3595 (find_or_generate_expression): Add prototype.
3596 (set_contains_value): Allow null set for sake of not always having
3597 to allocate ANTIC_SAFE_LOADS.
3598 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
3599 Allow COMPONENT_REF too.
3600 (valid_in_set): Allow COMPONENT_REF.
3601 Check ANTIC_SAFE_LOADS too.
3602 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
3603 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
3605 (can_PRE_operation): Add COMPONENT_REF.
3606 (create_component_ref_by_pieces): New function.
3607 (create_expression_by_pieces): Use create_component_ref_by_pieces.
3608 (insert_aux): Move AGGREGATE_TYPE_P check here.
3609 (compute_avail): Set bb local stmt uids.
3610 (pass_pre): Use TODO_update_ssa_only_virtuals.
3612 2006-02-06 Ben Elliston <bje@au.ibm.com>
3614 * configure.ac: Unconditionally disable decimal float by default.
3615 * configure: Regenerate.
3617 2006-02-06 Ben Elliston <bje@au.ibm.com>
3619 * read-rtl.c (read_name): Terminate reading on EOF.
3621 2006-02-06 Ben Elliston <bje@au.ibm.com>
3623 * dfp.c (decimal_real_arithmetic): Change second argument type
3624 from int to enum tree_code. Do not always return true, but now
3625 return result of any call to decimal_do helper functions.
3626 * dfp.h (decimal_real_arithmetic): Update prototype.
3628 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
3630 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
3632 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
3635 * tree-cfg.c (cleanup_dead_labels): Also don't remove
3638 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3640 * tree-vrp.c (cfg_loops): Removed.
3641 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
3642 Use current_loops instead of cfg_loops. Pass flags to
3643 loop_optimizer_init.
3644 * cfgloopmanip.c (fix_loop_structure): Update only available
3646 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
3647 loop_optimizer_init.
3648 * modulo-sched.c (build_loops_structure): Removed.
3649 (sms_schedule): Use loop_optimizer_init.
3650 * loop-init.c (loop_optimizer_init): Use flags to determine
3651 which properties of loops to prepare.
3652 (rtl_loop_init): Pass flags to loop_optimizer_init.
3653 * tree-ssa-sink.c (execute_sink_code): Ditto.
3654 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
3655 * tree-ssa-pre.c (init_pre): Ditto.
3656 * cfgloop.h (LOOPS_NORMAL): New.
3657 (loop_optimizer_init): Declaration changed.
3659 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3661 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
3662 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
3664 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
3666 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
3668 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
3669 * pa/t-pa64: Delete quadlib.c rule.
3670 * pa/x-ada: Revert last change.
3671 * pa/t-pa: Revert last change. Delete quadlib.c rule.
3673 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3675 PR rtl-optimization/26087
3676 * rtlanal.c (canonicalize_condition): Do not cross basic block
3679 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
3682 * config/ia64/ia64.c: Include debug.h.
3683 (MAX_ARTIFICIAL_LABEL_BYTES): New.
3684 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
3685 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
3686 (process_epilogue, process_set, process_for_unwind_directive):
3687 Output unwind info only if requested. Add CFA info if requested.
3688 Add new arguments as needed. Adjust callers.
3689 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
3691 (DWARF2_FRAME_INFO): Define to zero.
3692 * config/ia64/unwind-ia64.c: Remove code that compensated for
3693 the CFA offset error fixed above.
3694 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
3695 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
3696 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
3697 -funwind-tables and -fexceptions to enable frame info.
3698 (dwarf2out_frame_init): Define initial CFA even if
3699 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
3700 DWARF2_UNWIND_INFO is nonzero, not just defined.
3701 (dwarf2out_frame_finish): Output non-EH call frame info only
3702 if DWARF2_FRAME_INFO is nonzero.
3703 (convert_cfa_to_loc_list,
3704 compute_frame_pointer_to_cfa_displacement): Define even if
3705 unwind info is not supported.
3706 (gen_subprogram_die): Use the above unconditionally. Remove
3707 legacy alternate code.
3708 * toplev.c (compile_file): Compile in call to
3709 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
3710 (lang_dependent_init): Ditto for dwarf2out_frame_init.
3712 2006-02-04 David Edelsohn <edelsohn@gnu.org>
3713 Jakub Jelinek <jakub@redhat.com>
3715 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
3716 IBM extended float format long double as "g" on powerpc*-linux.
3718 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3721 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
3722 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
3724 2006-02-03 Jason Merrill <jason@redhat.com>
3727 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
3730 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
3731 on the return slot if it's an NRV.
3733 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
3735 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
3736 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
3737 rewrite_use): Do not handle USE_OUTER.
3738 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
3739 add_iv_outer_candidates, may_replace_final_value,
3740 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
3741 (find_interesting_uses_op): Functionality of
3742 find_interesting_uses_outer_or_nonlin moved here.
3743 (find_interesting_uses_outside): Use find_interesting_uses_op.
3745 2006-02-03 Alan Modra <amodra@bigpond.net.au>
3748 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
3750 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
3751 Ulrich Weigand <uweigand@de.ibm.com>
3754 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
3755 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
3756 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
3757 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3759 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3760 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3761 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3762 Define secondary reloads for TFmode moves.
3763 (constant_modes): Add TFmode.
3764 (NR_C_MODES): Set to 8.
3765 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3767 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3768 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3769 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3770 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3771 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3772 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3773 (FPR mode macro): Add TFmode.
3774 (DSF mode macro): New.
3775 (<de>, <dee> mode attributes): Removed.
3776 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3777 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3778 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3779 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3780 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3781 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3782 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3783 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3784 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3785 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3786 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3787 "*negabs<mode>2", "sqrt<mode>2"):
3788 Changed <de> to <xde>. R constraint replaced by <Rf>.
3789 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3791 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3792 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3793 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3795 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3796 "extenddftf2", "extendsftf2"): New expanders.
3797 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3798 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3799 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3800 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3802 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3803 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3804 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3805 __floatditf): Add a GCC_4.1.0 symbol version tag.
3806 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3809 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3812 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3813 Use targetm.binds_local_p instead of TREE_PUBLIC.
3815 2006-02-02 Roger Sayle <roger@eyesopen.com>
3817 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3818 on INTEGER_TYPEs to indicate that it denotes a character type.
3819 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3820 signed_char_type_node, unsigned_char_type_node and char_type_node.
3821 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3822 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3823 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3825 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3826 Daniel Berlin <dberlin@dberlin.org>
3828 * tree-tailcall.c (arg_needs_copy_p): New function.
3829 (eliminate_tail_call): Use arg_needs_copy_p.
3830 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3831 (add_virtual_phis): New function.
3833 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3835 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3836 #ignore instead of #scratch for %g7 .register directive.
3838 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3840 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3843 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3845 * flow.c (calculate_global_regs_live): Assert that there aren't any
3848 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3850 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3852 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3853 bsi_after_labels iterator.
3854 * tree-if-conv.c (find_phi_replacement_condition,
3855 replace_phi_with_cond_modify_expr): Likewise.
3856 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3857 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3859 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3861 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3863 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3866 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3867 array after growing it.
3869 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3872 * fold-const.c (fold_checksum_tree): Change type of buf.
3874 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3876 * reload.c (push_secondary_reload): Initialize t_icode.
3878 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3880 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3881 -msoft-float -mlong-double-128 only issue a warning, but don't
3882 swich to DFmode long double.
3884 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3886 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3887 has a constant equivalent, iterate over equivalents for arg0,
3888 calling simplify_relational_operation and if there's a result
3889 cheaper than X, apply fold_rtx and return the result.
3891 2006-02-01 Jan Hubicka <jh@suse.cz>
3893 * opts.c (no_unit_at_a_time_default): New global variable.
3894 (decode_options): Use it.
3895 * opts.h (no_unit_at_a_time_default): Declare.
3897 2006-02-01 Paul Brook <paul@codesourcery.com>
3899 * function.c (assign_parm_setup_reg): Use function argument promotion
3901 * expr.c (expand_expr_real_1): Use function argument promotion rules
3904 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3906 * gcc.c (process_command): Change j to 'unsigned int'.
3908 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3911 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3912 Use the corrected index for the character
3913 out of the string constant.
3915 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3917 * mode-switching.c (optimize_mode_switching): Fix size
3918 allocated for bb_info[n_entities].
3920 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3922 * gcc.c (main): Correct type that is allocated for
3923 explicit_link_files.
3925 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3927 * config/s390/s390.c (init_alignment_context): Set
3928 ALIAS_SET_MEMORY_BARRIER on the MEM.
3929 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3931 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3934 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3936 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3939 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3941 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3942 * regrename.c: Ditto.
3943 * tree-ssa-loop-im.c: Ditto.
3944 * tree-dump.c: Ditto.
3945 * tree-complex.c: Ditto.
3946 * genrecog.c: Ditto.
3947 * tree-ssa-threadupdate.c: Ditto.
3949 * java/class.c: Ditto.
3950 * java/jcf-parse.c: Ditto.
3951 * java/resource.c: Ditto.
3952 * java/except.c: Ditto.
3953 * java/jvspec.c: Ditto.
3954 * java/jcf-write.c: Ditto.
3955 * java/jcf-path.c: Ditto.
3956 * java/gjavah.c: Ditto.
3957 * java/zextract.c: Ditto.
3958 * java/jcf-io.c: Ditto.
3959 * java/jcf.h: Ditto.
3960 * java/buffer.c: Ditto.
3961 * java/lang.c: Ditto.
3962 * java/parse-scan.y: Ditto.
3963 * java/lex.c: Ditto.
3964 * java/lex.h: Ditto.
3965 * cfgloopmanip.c: Ditto.
3966 * postreload-gcse.c: Ditto.
3967 * tree-ssa-loop-manip.c: Ditto.
3968 * postreload.c: Ditto.
3969 * tree-ssa-loop-ch.c: Ditto.
3973 * diagnostic.c: Ditto.
3975 * genoutput.c: Ditto.
3977 * cfghooks.c: Ditto.
3978 * cfgloopanal.c: Ditto.
3979 * objc/objc-act.c: Ditto.
3981 * genextract.c: Ditto.
3982 * genautomata.c: Ditto.
3983 * pretty-print.c: Ditto.
3985 * cgraphunit.c: Ditto.
3988 * haifa-sched.c: Ditto.
3989 * dominance.c: Ditto.
3991 * tree-ssa-loop-ivopts.c: Ditto.
3993 * mode-switching.c: Ditto.
3994 * modulo-sched.c: Ditto.
3996 * ipa-pure-const.c: Ditto.
3998 * fix-header.c: Ditto.
4000 * tree-stdarg.c: Ditto.
4001 * ipa-utils.c: Ditto.
4002 * loop-init.c: Ditto.
4003 * ipa-inline.c: Ditto.
4006 * alloc-pool.c: Ditto.
4007 * dwarf2out.c: Ditto.
4009 * genattrtab.c: Ditto.
4010 * tree-ssa-loop-ivcanon.c: Ditto.
4014 * fortran/gfortranspec.c: Ditto.
4016 * local-alloc.c: Ditto.
4017 * langhooks.c: Ditto.
4018 * function.c: Ditto.
4019 * tree-vectorizer.c: Ditto.
4021 * ipa-type-escape.c: Ditto.
4023 * tree-if-conv.c: Ditto.
4026 * tree-data-ref.c: Ditto.
4027 * loop-unroll.c: Ditto.
4028 * treelang/treetree.c: Ditto.
4031 * ggc-common.c: Ditto.
4033 * coverage.c: Ditto.
4035 * tree-cfgcleanup.c: Ditto.
4036 * tree-ssa-pre.c: Ditto.
4037 * cfgcleanup.c: Ditto.
4038 * loop-invariant.c: Ditto.
4040 * ipa-prop.c: Ditto.
4041 * print-tree.c: Ditto.
4042 * conflict.c: Ditto.
4043 * ggc-page.c: Ditto.
4044 * sched-deps.c: Ditto.
4045 * regclass.c: Ditto.
4046 * tree-object-size.c: Ditto.
4048 * bb-reorder.c: Ditto.
4049 * resource.c: Ditto.
4050 * var-tracking.c: Ditto.
4052 * df-problems.c: Ditto.
4053 * reg-stack.c: Ditto.
4056 * sched-rgn.c: Ditto.
4057 * tree-ssa-structalias.c: Ditto.
4058 * tree-ssa-reassoc.c: Ditto.
4059 * config/darwin-c.c: Ditto.
4060 * config/darwin.c: Ditto.
4061 * config/arm/arm.c: Ditto.
4063 * collect2.c: Ditto.
4066 2006-01-31 Nicolas Pitre <nico@cam.org>
4068 * arm.md (smaxsi3): Make aware of smax_m1.
4071 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
4073 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
4075 2006-01-31 Richard Guenther <rguenther@suse.de>
4077 * doc/invoke.texi (-msselibm): Document.
4078 * target.h (expand_library_builtin): New target hook.
4079 * builtins.c (expand_builtin): Use expand_library_builtin.
4080 (default_expand_library_builtin): New function.
4081 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4082 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4083 (link_gcc_math_spec): Declare.
4084 (static_specs): Add link_gcc_math_spec.
4085 * expr.h (default_expand_library_builtin): Declare.
4086 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4087 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4088 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4089 * config/i386/i386.opt (msselibm): New target option.
4090 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4091 (ix86_init_sse_abi_builtins): New function.
4092 (ix86_expand_library_builtin): Likewise.
4093 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4094 (override_options): Handle error conditions wrt -msselibm.
4095 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4096 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4097 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4100 2006-01-31 Richard Guenther <rguenther@suse.de>
4101 Paolo Bonzini <bonzini@gnu.org>
4103 * doc/install.texi (--disable-libgcc-math): Document.
4105 2006-01-30 Marcin Dalecki <martin@dalecki.de>
4107 * expr.h (expand_normal): new inline function.
4108 * builtins.c: use it, use EXPAND_NORMAL explicitely.
4110 * dwarf2out.c: use it.
4115 * config/sparc/sparc.c: use it.
4116 * config/i386/i386.c: use it.
4117 * config/rs6000/rs6000.c: use it.
4118 * config/arm/arm.c: use it.
4119 * config/mips/mips.c: use it.
4120 * stmt.c: use it, use EXPAND_NORMAL explicitely.
4122 2006-01-30 Roger Sayle <roger@eyesopen.com>
4124 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
4125 argv to the appropriate type.
4127 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
4129 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
4132 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
4135 * config/s390/s390.c (struct machine_function): New flag
4136 decomposed_literal_pool_addresses_ok_p.
4137 (s390_reorg): Set it before final stage of literal pool transforms.
4138 (s390_decompose_address): Only accept displacements of the form
4139 (minus (label_ref ...) (label_ref ...)) if that flag is set.
4141 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
4143 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
4144 the comparison routine return.
4146 2006-01-30 Michael Matz <matz@suse.de>
4148 * global.c (find_reg): Only evict for global regs.
4149 Take n_refs into account and dump more info.
4151 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
4154 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
4155 (pragma_trap, pragma_nosave_low_regs): Likewise.
4156 (current_function_anonymous_args): Likewise.
4157 (sh_deferred_function_attributes): New variable.
4158 (sh_deferred_function_attributes_tail): Likewise.
4159 (print_operand): For '@', look up trap_exit attribute.
4160 (calc_live_regs): Look up trapa_handler attribute. For trapa
4161 handlers, save/restore fpscr, but don't do any other
4162 interrupt-specific saves.
4163 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
4164 Fix check for partially saved registers to check for SHmedia.
4165 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
4166 (sh_output_function_epilogue): Don't clear any of the removed
4168 (sh_insert_attributes): Don't check pragma_interrupt.
4169 Insert deferred attributes. Check that interrupt attribute is
4170 present for other attributes that require its presence.
4171 (sh_attribute_table): Add new attributes trapa_handler and
4173 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
4174 Don't check for pragma_interrupt. Don't store argument.
4175 * sh.h (pragma_interrupt, sp_switch): Don't declare.
4176 (sh_deferred_function_attributes): Declare.
4177 (sh_deferred_function_attributes_tail): Likewise.
4178 * sh.md (sp_switch_1): Add operand. Change generator caller.
4179 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
4180 (*return_i): Don't use when trap_exit attribute is in effect.
4181 (*return_trapa): New insn pattern.
4183 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
4184 setting c_target_objs and cxx_target_objs.
4185 * t-sh: Add rule for sh-c.o.
4187 2006-01-30 Richard Guenther <rguenther@suse.de>
4190 * gimplify.c (gimplify_target_expr): Handle easy cases
4191 without creating a temporary.
4193 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
4195 * vec.h (safe_grow): Remove duplicated line.
4197 2006-01-29 Diego Novillo <dnovillo@redhat.com>
4200 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
4201 (expand_omp): ... here.
4202 (expand_omp_parallel): Only remove barriers for combined
4203 parallel+workshare constructs.
4205 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
4209 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4210 * tree.c (build_qualified_type): Chain the new type to the original
4211 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4212 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4213 (build_pointer_type_for_mode): Only return unqualified types.
4214 (build_reference_type_for_mode): Likewise.
4216 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
4218 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
4219 * Makefile.in (CXX_COMPAT_WARN): Define.
4220 * configure: Regenerate.
4222 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
4225 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
4228 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4230 * toplev.c: Fix thinko.
4232 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4233 Marcin Dalecki <martin@dalecki.de>
4235 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
4236 (push_srcloc): Use XNEW.
4237 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
4239 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4241 * df-core.c (df_set_blocks): Deleted all variable.
4243 2006-01-28 Ian Lance Taylor <ian@airs.com>
4245 * cgraphunit.c (cgraph_assemble_pending_functions): Call
4246 cgraph_output_pending_asms.
4248 2006-01-28 Zack Weinberg <zackw@panix.com>
4250 * c.opt: Add -W(no-)overlength-strings.
4251 * doc/invoke.texi: Document it.
4252 * c-opts.c (c_common_handle_option): -pedantic implies
4253 -Woverlength-strings, if not explicitly disabled already.
4254 (c_common_post_options): -Woverlength-strings defaults to off, and
4255 is always off for C++.
4256 * c-common.c (fix_string_type): Issue warning about strings longer
4257 than is portable only if warn_overlength_strings. Rearrange code
4258 a little for clarity.
4259 * configure.in: Check for -Wno-overlength-strings as well before
4260 enabling -pedantic in stage 1.
4261 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
4262 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
4264 * genconditions.c (write_header, write_one_condition)
4265 (write_conditions, write_writer): Consolidate very long strings
4266 that were broken up to fit in C89 portable limit. Don't use
4267 printf when fputs will do.
4269 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
4271 * combine.c (simplify_comparison <AND>): Check
4272 TRULY_NOOP_TRUNCATION before start using a subreg.
4274 * config/mips/mips.md (*branch_zero<mode>,
4275 *branch_zero<mode>_inverted, *branch_equality<mode>,
4276 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
4277 Remove mode check from comparisons.
4279 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
4281 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
4283 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4285 * expmed.c (const_mult_add_overflow_p): Remove.
4286 * expr.h: Remove the prototype for const_mult_add_overflow_p.
4288 * recog.c (validate_replace_rtx_subexp): Remove.
4289 * recog.h: Remove the prototype for
4290 validate_replace_rtx_subexp.
4292 * integrate.h: Remove the prototype for
4293 copy_decl_for_inlining.
4294 * rtl.h: Remove the prototype for mark_constant_function.
4295 * tree-vectorizer.h: Remove the prototype for
4296 vect_strip_conversion.
4298 * modulo-sched.c (create_partial_schedule,
4299 free_partial_schedule, reset_partial_schedule): Make them
4302 * hooks.c (hook_bool_rtx_int_false): Remove.
4303 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
4305 2006-01-28 David Edelsohn <edelsohn@gnu.org>
4307 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4308 and -mlong-double-128 are incompatible.
4309 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
4310 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
4311 (TARGET_LIBGCC2_CFLAGS): Define.
4312 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
4313 (TARGET_LIBGCC2_CFLAGS): Same.
4314 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
4316 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4319 * c-typeck.c (build_binary_op): Perform implicit casts of
4320 operands before shortening them.
4322 * cfgloopmanip.c (split_loop_bb): Remove.
4323 * cfgloop.h: Remove the prototype for split_loop_bb.
4325 * cfgloop.c (flow_loop_outside_edge_p): Remove.
4326 * cfgloop.h: Remove the prototype for
4327 flow_loop_outside_edge_p.
4329 * emit-rtl.c (init_virtual_regs): Make it static.
4330 * function.h: Remove the prototype for init_virtual_regs.
4332 * recog.c (peephole2_optimize): Make it static.
4333 * recog.h: Remove the prototype for peephole2_optimize.
4335 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4337 * df-scan.c (df_record_entry_block_defs): Check if
4338 INCOMING_RETURN_ADDR_RTX is defined.
4340 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
4341 Kenneth Zadeck <zadeck@naturalbridge.com>
4343 PR rtl-optimization/24762
4344 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4345 * targhooks.c (hook_void_bitmap): New hook prototype.
4346 * targhoohs.h (hook_void_bitmap): Ditto.
4347 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
4348 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
4349 * target.h (live_on_entry): New function pointer.
4350 * df-scan.c (df_all_hard_regs): Removed.
4351 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
4352 (df_scan_free_internal): Added df->entry_block_defs.
4353 (df_scan_alloc): Ditto.
4354 (df_scan_dump): Ditto.
4355 (df_uses_record): Plumbed flag field properly thru calls.
4356 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
4357 This part fixes PR24762.
4358 (df_bb_refs_record): Added code to make the frame and arg
4359 pointers live in EH blocks.
4360 (df_refs_record): Added call to df_record_entry_block_defs.
4361 (df_record_entry_block_defs): New function.
4362 * df-core.c: Added comments to describe new artifical defs.
4363 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
4364 (entry_block_defs): New field in struct df.
4365 (df_all_hard_regs): Deleted.
4366 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4367 * df-problems.c (df_ru_bb_local_compute_process_def):
4368 Added code to handle artifical defs in the entry to a function.
4369 (df_ru_bb_local_compute): Ditto.
4370 (df_rd_bb_local_compute_process_def): Ditto.
4371 (df_rd_bb_local_compute): Ditto.
4372 (df_lr_bb_local_compute): Ditto.
4373 (df_ur_bb_local_compute): Ditto.
4374 (df_urec_bb_local_compute): Ditto.
4375 (df_chain_create_bb): Ditto.
4376 (df_ur_local_finalize): Removed entry.
4377 (df_urec_init): Ditto.
4378 (df_urec_local_finalize): Ditto.
4379 (df_ri_bb_compute): Added detection of last use of pseudos.
4380 * Makefile.in (df-scan.o): Updated dependencies.
4381 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
4382 * config/mips/mips.c (mips_set_live_on_entry): Added.
4383 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
4385 * dce.c (marked_insn_p): Added code to handle artifical defs.
4387 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4389 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
4391 (_mm_cvtsi128_si64): Likewise.
4392 (_mm_cvtsd_si64): Likewise.
4393 (_mm_cvttsd_si64): Likewise.
4394 (_mm_cvtsi64_sd): Likewise.
4395 (_mm_cvtsi64_si128): Likewise.
4396 * config/i386/mmintrin.h (_m_from_int64): Likewise.
4397 (_mm_cvtsi64_m64): Likewise.
4398 (_m_to_int64): Likewise.
4399 (_mm_cvtm64_si64): Likewise.
4400 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
4401 (_mm_cvttss_si64): Likewise.
4402 (_mm_cvtsi64_ss): Likewise.
4403 (_mm_cvtss_f32): Likewise.
4405 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
4407 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
4408 for pragma redefine_extname.
4410 2006-01-27 Jakub Jelinek <jakub@redhat.com>
4413 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
4414 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
4415 -mno-minimal-toc to previous content.
4416 (bispecs): Remove goal.
4417 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
4418 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
4419 compatibility aliases on powerpc-*-*gnu*.
4420 * config/rs6000/libgcc-ppc-glibc.ver: New file.
4421 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
4422 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
4423 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
4424 (ldblspecs): New goal.
4425 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
4426 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
4428 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
4429 L_sf_to_tf or L_df_to_tf is defined.
4431 2006-01-27 David Edelsohn <edelsohn@gnu.org>
4432 Alan Modra <amodra@bigpond.net.au>
4435 * config/rs6000/linux.h (POWERPC_LINUX): Define.
4436 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
4437 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
4438 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
4439 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
4440 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
4441 (rs6000_override_options): Initialize rs6000_ieeequad.
4442 Initialize TFmode format to ibm_extended_format if not
4444 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
4446 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
4447 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
4448 (function_arg_advance): IBM long double passed in two FPRs, not
4450 (function_arg): IBM long double passed in FPRs.
4451 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
4452 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
4453 Only multireg GPR aligned.
4454 (rs6000_init_libfuncs): Enable IBM long double functions if not
4456 (rs6000_generate_compare): Use IBM long double compare if not
4458 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
4459 (TARGET_IEEEQUAD): Define.
4460 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
4461 not TARGET_IEEEQUAD.
4462 * config/rs6000/rs6000.md: Enable TFmode patterns if
4464 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
4465 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4466 and -mlong-double-128 are incompatible.
4467 * doc/invoke.texi (-mabi): Collect options together. Add
4468 ibmlongdouble and ieeelongdouble.
4470 2006-01-27 Richard Sandiford <richard@codesourcery.com>
4472 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
4474 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
4475 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
4476 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
4477 * rtl.h (rtunion_def): Remove rt_ptr.
4479 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
4480 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
4481 * config/i386/winnt.c (i386_pe_mark_dllexport)
4482 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
4484 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
4486 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
4488 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4492 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
4493 pthread_key_delete. From John David Anglin. gthrw-ify
4494 pthread_getunique_np only if it it's not a macro. Delete
4496 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
4497 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
4498 __gthread_objc_condition_signal, __gthread_key_delete): Add
4499 "__attribute__ ((__unused__))" to unused arguments.
4500 (__gthread_recursive_mutex_init_function): Add missing return.
4501 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
4502 gthr-posix95.h: Use macro-based approach for name redirection
4503 on targets missing weakref.
4505 2006-01-26 Zack Weinberg <zackw@panix.com>
4507 * genconditions.c (write_header): In generated code, #ifdef out
4508 all includes and fake declarations, except includes of bconfig.h
4509 and system.h, unless GCC_VERSION >= 3001. Do not include
4510 gensupport.h in any case.
4511 (write_conditions): Generate a definition of struct c_test. Add
4512 a comment to the generated #endif.
4513 (write_one_condition): Escape backslashes in string too.
4514 (write_writer): Generated code must escape backslashes and quote
4515 marks (but not newlines) in the strings it writes.
4516 * Makefile.in (build/gencondmd.o): Update dependencies.
4518 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4521 * Makefile.in (insn-automata.o): Add header file dependencies.
4522 * genautomata.c: Add includes.
4524 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4527 * Makefile.in (insn-automata.o): Add -Wno-error flag.
4529 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4531 * configure.ac: Expect target tools paths to be passed from the toplevel
4532 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
4534 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
4536 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4539 * c.opt (Wpointer-sign): Init to -1.
4540 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
4541 OPT_pedantic, to 0 otherwise.
4542 * doc/invoke.texi: Update.
4544 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4546 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
4547 constants provided by 80387 instructions in the destination mode.
4549 2006-01-26 Richard Guenther <rguenther@suse.de>
4550 Andrew Pinski <pinskia@physics.uc.edu>
4553 partial PR tree-opt/17064
4554 * tree-ssa-structalias.c (intra_create_variable_infos):
4555 Create heap variables for incoming parameters if
4556 flag_argument_noalias > 1.
4557 (find_what_p_points_to): Look through default defs of
4560 2006-01-26 Jeff Law <law@redhat.com>
4563 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
4564 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
4565 within the VR_RANGE, use the VR_RANGE as the result, not the
4567 (adjust_range_with_scev): Reject ranges from SCEV which are out of
4568 bounds for the type.
4570 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
4572 * tree-ssa-alias.c (maybe_create_global_var): Change
4573 subvar walking to an assertion that we don't have subvar'd variables.
4575 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
4578 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
4579 Use a new variable, inner. PARM_DECLs are always non-weak.
4581 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
4583 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
4586 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
4588 * config/mips/mips.md (*clear_upper32): New combiner pattern.
4590 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
4592 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
4593 (smax_insn, smin_insn, smax_0, smin_0): New.
4595 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
4598 * config/cris/cris.c (cris_order_for_addsi3): New function.
4599 * config/cris/cris-protos.h: Prototype it.
4600 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
4601 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
4602 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
4603 (split for "op.S1 [rx=rx+i],ry (swapped)")
4604 (split for "op(s|u).S1 [rx=rx+i],ry")
4605 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
4606 Apply cris_order_for_addsi3 when generating addsi3 insns.
4608 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4610 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
4611 (TREE_BLOCK): Add call to EXPR_CHECK.
4613 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4616 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
4617 * tree-pretty-print.c (dump_omp_clause): Extract from ...
4618 (dump_omp_clauses): ... here.
4619 (dump_generic_node): Handle OMP_CLAUSE.
4620 * tree.c (omp_clause_num_ops): New.
4621 (omp_clause_code_name): New.
4622 (tree_code_size): Handle OMP_CLAUSE.
4623 (tree_size): Likewise.
4624 (make_node): Document handling of OMP_CLAUSE.
4625 (tree_node_structure): Handle OMP_CLAUSE.
4626 (omp_clause_check_failed): New.
4627 (omp_clause_range_check_failed): New.
4628 (omp_clause_operand_check_failed): New.
4629 (build_omp_clause): New.
4630 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
4631 * tree.h (enum omp_clause_code): Declare.
4632 (OMP_CLAUSE_SUBCODE_CHECK): Define.
4633 (OMP_CLAUSE_RANGE_CHECK): Define.
4634 (OMP_CLAUSE_ELT_CHECK): Define.
4635 (omp_clause_check_failed): Declare.
4636 (omp_clause_operand_check_failed): Declare.
4637 (omp_clause_range_check_failed): Declare.
4638 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
4639 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
4640 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
4641 (OMP_CLAUSE_LASTPRIVATE): Likewise.
4642 (OMP_CLAUSE_IF_EXPR): Likewise.
4643 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
4644 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
4645 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
4646 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
4647 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
4648 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
4649 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
4650 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
4651 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
4652 (OMP_CLAUSE_CODE): Define.
4653 (OMP_CLAUSE_SET_CODE): Define.
4654 (OMP_CLAUSE_CODE): Define.
4655 (OMP_CLAUSE_OPERAND): Define.
4656 (struct tree_omp_clause): Declare.
4657 (union tree_node): Add field 'omp_clause'.
4658 * treestruct.def (TS_OMP_CLAUSE): Define.
4659 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
4660 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
4661 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
4662 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
4663 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
4664 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
4665 (OMP_CLAUSE): Define.
4666 * print-tree.c (print_node): Handle OMP_CLAUSE.
4667 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
4668 * c-typeck.c: Likewise.
4669 * gimplify.c: Likewise.
4670 * c-omp.c: Likewise.
4671 * tree-nested.c: Likewise.
4672 * tree-inline.c: Likewise.
4673 * c-parser.c: Likewise.
4674 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
4677 2006-01-25 Roger Sayle <roger@eyesopen.com>
4679 PR rtl-optimization/25703
4680 * combine.c (try_combine): Handle zero_extract and strict_low_part
4681 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
4683 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
4685 * global.c: Fix comment typos.
4687 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
4690 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
4691 Use output_addr_const instead of assemble_name.
4693 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
4695 * Makefile.in (sched-vis.o): Update dependencies.
4696 * haifa-sched.c (sched_finish): Clear current_sched_info.
4697 * cfg.c (dump_bb_info): New, split from dump_flow_info.
4698 (dump_flow_info): Call it.
4699 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
4701 * basic-block.h (dump_bb_info): Declare.
4702 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
4703 option, and apply options only for dump files whose TDF_RTL,
4704 TDF_TREE, or TDF_IPA bits match.
4705 * rtl.h: Declare new functions exported from sched-vis.c.
4706 * sched-vis.c: Enable also if scheduling is not used.
4707 (print_value): Print the mode of registers if not inside scheduling.
4708 (print_insn): Make it work outside the scheduler. Beautify the output
4710 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
4712 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4714 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
4715 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
4716 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
4717 depending on the value of CONSTANT_POOL_ADDRESS_P.
4718 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
4720 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
4721 rather than SYMBOL_REF_DECL.
4722 (rtx_constant_pool): Remove const_rtx_sym_htab.
4723 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
4724 (init_varasm_status): Don't initialize const_rtx_sym_htab.
4725 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
4726 Remove handling of const_rtx_sym_htab.
4727 (find_pool_constant): Delete.
4728 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
4729 rather than find_pool_constant.
4730 (get_pool_constant_for_function): Delete.
4731 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
4733 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
4734 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
4735 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
4736 (SYMBOL_REF_CONSTANT): New macro.
4737 (get_pool_constant_for_function): Delete.
4738 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
4739 rather than SYMBOL_REF_DECL.
4740 (i386_pe_mark_dllimport): Likewise.
4741 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
4742 rather than SYMBOL_REF_DECL.
4743 * config/darwin.c (machopic_indirect_data_reference): Likewise.
4744 (machopic_indirect_call_target): Likewise.
4746 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
4748 * flow.c (delete_noop_moves): Add missing EOL to dump message.
4750 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4752 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
4754 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
4756 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
4758 2006-01-24 David Daney <ddaney@avtrex.com>
4761 * configure.ac (enable_tls): New enable option.
4762 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
4763 * configure: Regenerate.
4764 * doc/install.texi (--enable-tls): Document new option.
4765 (--disable-tls): Ditto.
4767 2006-01-24 Richard Henderson <rth@redehat.com>
4769 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4770 * alias.c (true_dependence): Respect it.
4771 (canon_true_dependence, write_dependence_p): Likewise.
4772 * builtins.c (get_builtin_sync_mem): Set it.
4774 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4776 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4779 2006-01-24 DJ Delorie <dj@redhat.com>
4781 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4782 for storing constants in single-bit bitfields.
4784 2006-01-25 Ben Elliston <bje@au.ibm.com>
4786 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4788 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4791 * tree-ssa-pre.c (phi_translate): Return NULL
4792 for AGGREGATE_TYPE's.
4794 2006-01-24 Zack Weinberg <zackw@panix.com>
4796 * genautomata.c (process_state_for_insn_equiv_partition):
4797 Use xcalloc for insn_arcs_array.
4798 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4799 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4801 2006-01-24 Richard Henderson <rth@redhat.com>
4803 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4806 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4808 PR rtl-optimization/25890
4809 PR rtl-optimization/25905
4810 * combine.c (expand_compound_operation, expand_field_assignment):
4811 Fail if the bitfield's final position is out of bounds.
4813 2006-01-24 Ian Lance Taylor <ian@airs.com>
4816 * cgraphunit.c (cgraph_output_in_order): Don't clear
4817 cgraph_asm_nodes until after asm strings have been output.
4819 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4821 * fix-header.c (read_scan_file): Add new parameter imultilib when
4822 calling register_include_chains.
4824 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4826 * omp-low.c: Update documentation.
4828 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4829 Daniel Berlin <dberlin@dberlin.org>
4833 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4834 return from the function.
4836 2006-01-22 Zack Weinberg <zackw@panix.com>
4838 * rtl.def (match_code): Add second argument.
4839 * genpreds.c (write_extract_subexp): New function.
4840 (write_match_code): Add path argument. Use write_extract_subexp.
4841 (write_predicate_expr): Pass path to write_match_code.
4842 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4843 not perform a mode test.
4844 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4845 a subexpression does not constrain the top-level code set.
4846 * read-rtl.c (read_rtx_variadic): New function.
4847 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4848 * doc/md.texi: Document new notation.
4849 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4850 (cmpsi_operand): ... here, using new notation.
4852 2006-01-22 Zack Weinberg <zackw@panix.com>
4854 * varray.c: Remove GENERATOR_FILE #ifdefs.
4856 2006-01-22 Zack Weinberg <zackw@panix.com>
4858 * genautomata.c (output_reserved_units_table): Emit nothing if
4859 description->query_units_num is zero. Remove extra blank line.
4860 (output_cpu_unit_reservation_p): Short circuit
4861 if description->query_units_num is zero.
4863 2006-01-22 Zack Weinberg <zackw@panix.com>
4865 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4866 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4867 nor any of the random handful of variables that used to be necessary
4868 when this program was linked with rtlanal.o. Prune set of forward
4869 function declarations.
4870 (struct attr_desc): Remove static_p field.
4871 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4872 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4873 (attr_string): Do not read the character one past the length of
4875 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4876 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4877 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4878 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4879 (make_automaton_attrs): New.
4880 (main): Do not call into genautomata. Call local gen_bypass
4881 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4882 Remove special case for insn_alts.
4883 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4884 varray.h (leftover from previous change). Prune set of forward
4885 function declarations. Remove state_alts fields from all
4886 structures. Remove state_alts_table from struct automaton.
4887 Make everything except main static. Do not maintain num_dfa_decls.
4888 Do not maintain state_alts fields of various structures.
4889 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4890 (add_arc): Remove state_alts argument. All callers updated.
4891 (output_reserved_units_table): Emit #ifdef here...
4892 (output_tables): ...not here. Don't generate state_alts tables.
4893 (expand_automata): Don't generate attributes.
4894 (write_automata): Don't generate state_alts functions.
4895 (main): New function.
4896 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4897 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4898 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4899 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4900 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4901 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4902 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4903 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4905 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4906 * genattrtab.h: Delete file.
4907 * Makefile.in (OBJS-common): Add insn-automata.o.
4908 (insn-automata.o): New rule.
4909 (simple_generated_c): Add insn-automata.c.
4910 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4911 (genprogmd): Add automata.
4912 (build/genattrtab): Needs no extra objects nor libraries.
4913 (build/genautomata): Needs build/vec.o and -lm.
4915 2006-01-22 Zack Weinberg <zackw@panix.com>
4917 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4918 (output_dfa_max_issue_rate, locked_states_num): Delete.
4919 (struct automaton): Add locked_states field.
4920 (output_dead_lock_vect): Save number of locked states in
4921 automaton->locked_states. If it is zero, don't print anything.
4922 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4923 (output_internal_dead_lock_func): Only test the dead_lock_vect
4924 for automata that have locked states.
4925 (output_statistics): Always print the number of locked states for
4926 each automaton. Calculate total number of locked states here.
4927 (write_automata): Don't call output_dfa_max_issue_rate.
4928 * genattrtab.c: Define length_unit_log as a const variable.
4929 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4930 max_insn_queue_index const.
4931 * final.c (length_unit_log): Declare const.
4932 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4934 2006-01-22 Zack Weinberg <zackw@panix.com>
4936 * genautomata.c: Include vec.h, not varray.h.
4937 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4938 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4939 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4940 VEC_* macros operating on appropriately typed vectors, or to
4941 malloced arrays when the size is known in advance. Const-ify
4942 many char* variables and function arguments. No functional changes.
4943 * Makefile.in (build/varray.o): Delete rule.
4944 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4945 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4947 2006-01-22 Zack Weinberg <zackw@panix.com>
4949 * gensupport.c: Define get_insn_name and record_insn_name here.
4950 (read_md_rtx): Call record_insn_name as appropriate.
4951 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4952 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4953 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4955 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4956 (BUILD_VARRAY): Delete.
4957 (genprognormal): Rename genprogmd. Fold in all programs from
4958 genprognoprint; also attrtab.
4959 (build/genattrtab): Just mention genautomata.o and varray.o.
4960 Reorganize a bit, add comments to make the categories clearer.
4962 2006-01-22 Zack Weinberg <zackw@panix.com>
4964 * genconditions.c (condition_table, add_condition): Delete.
4965 (write_conditions): Don't emit n_insn_conditions nor
4966 insn_elision_unavailable. Issue the gcc version #ifdef here,
4967 inside the table, with no #else clause ...
4968 (write_header): ...not here.
4969 (write_writer): New function.
4970 (main): Don't initialize condition_table. Use add_c_test.
4972 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4973 files on the command line.
4974 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4975 Return -1 if there is no entry in the table, don't abort.
4976 (add_c_test, traverse_c_tests): New functions.
4977 * gensupport.h (insn_elision_unavailable, insn_conditions)
4978 (n_insn_conditions): Delete declarations.
4979 (add_c_test, traverse_c_tests): Declare.
4980 * read-rtl.c: Include gensupport.h.
4981 (read_conditions): New function.
4982 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4983 (read_rtx_1): If we get EOF when we were looking for an initial
4984 open paren, return 0. Call read_conditions when appropriate.
4985 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4986 dummy-conditions.o. Eliminate references to insn-conditions.o,
4987 or change them to build/gencondmd.o, as appropriate. Remove
4988 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4989 from $(simple_generated_c). For all files remaining in those
4990 two lists, add insn-conditions.md to the generator command line.
4991 Give insn-constants.h/s-constants their own rules. Add rules
4992 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4993 (build/read-rtl.o): Depend on gensupport.h.
4994 (genprognormal): Include preds.
4995 (genprogearly): Rename genprognoprint; only difference is now that
4996 they don't link with $(BUILD_PRINT).
4997 * dummy-conditions.c: Delete.
4999 2006-01-22 Zack Weinberg <zackw@panix.com>
5001 * genextract.c: Don't include insn-config.h. Do include vec.h.
5002 Declare vectors of int, char, and locstr.
5003 (locstr): New typedef.
5004 (struct extraction): Make all array fields into bare pointers.
5005 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
5006 (insn_code_number): Delete.
5007 (accum_extract): New struct.
5008 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
5009 (gen_insn): Take insn_code_number as an argument. Use an
5010 accum_extract structure instead of loading data directly into
5011 a struct extraction, and having to know how big it might get.
5012 (walk_rtx): Operate entirely on an accum_extract structure.
5013 (print_path): Avoid unnecessary use of printf.
5014 (print_header): New function, split out of main. Distinguish
5015 more carefully between an unrecognizable insn and an insn that
5016 has the code number of a define_expand.
5017 (main): Pass insn_code_number to gen_insn. Call print_header
5018 only after parsing. Avoid unnecessary use of printf.
5019 * Makefile.in (build/vec.o): New rule.
5020 (build/genextract): Depend on build/vec.o.
5021 (build/genextract.o): Don't depend on insn-config.h.
5023 2006-01-22 Zack Weinberg <zackw@panix.com>
5025 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
5026 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
5027 practical. Eliminate per-generator-program link rules.
5029 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5032 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5033 with a call expr to ...
5034 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5036 2006-01-23 Richard Guenther <rguenther@suse.de>
5038 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
5039 before make_edge with conditional EDGE_TRUE_VALUE.
5041 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
5042 Jan Hubicka <jh@suse.cz>
5043 Richard Guenther <rguenther@suse.de>
5045 PR rtl-optimization/25654
5046 * cfgexpand.c (aggregate_contains_union_type): New function.
5047 (add_alias_set_conflicts): Call it. Make sure to add conflicts
5048 for structure variables that contain a union type.
5050 2006-01-23 Richard Sandiford <richard@codesourcery.com>
5052 * gengtype.c (new_structure): Return the structure.
5053 (create_option): Add an extra "next" argument.
5054 (create_field): New function.
5055 (adjust_field_rtx_def): Use create_option and create_field.
5056 Remove a now-unnecessary call to find_structure.
5057 (adjust_field_tree_def): Likewise.
5058 (note_yacc_type): Remove an unnecessary call to find_structure.
5059 * gengtype.h (new_structure): Return the structure.
5060 (create_option): Add an extra argument.
5061 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
5062 (option): Adjust calls to create_option.
5064 2006-01-22 David Edelsohn <edelsohn@gnu.org>
5066 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
5068 2006-01-22 Paul Brook <paul@codesourcery.com>
5069 Peter Barada <peter@the-baradas.com>
5071 * config/m68k/m68k.md: Add Coldfire FPU support.
5072 Define FP mode macro and associated attributes.
5073 Use it for float mode patterns.
5074 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
5075 (LIBCALL_VALUE): Use m68k_libcall_value.
5076 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
5077 (m68k_function_value): Ditto.
5078 (emit_move_sequence): Ditto.
5079 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
5080 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
5081 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
5082 (MULTILIB_EXCEPTIONS): Ditto.
5083 * config/m68k/m68k.opt: Add mcfv4e.
5084 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
5085 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
5086 (m68k_output_function_prologue): Save ColdFire FPU registers.
5087 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
5088 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
5089 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
5090 ColdFire FPU registers.
5091 (m68k_libcall_value, m68k_function_value): New functions.
5092 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
5093 (LIBCALL_VALUE): Use m68k_libcall_value.
5094 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
5095 (MASK_COLDFIRE): Add MASK_CFV4E.
5096 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
5097 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
5098 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
5099 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
5100 (GO_IF_LEGITIMATE_ADDRESS): Use it.
5101 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
5102 * doc/invoke.tex: Document -mcfv4e on m68k.
5104 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5106 * doc/contribute.texi: Change CVS to SVN and update the corresponding
5109 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
5112 * c-opts.c (c_common_handle_option): Don't include
5113 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
5114 * doc/invoke.texi (C++ Dialect Options): Document that
5115 -Wnon-virtual-dtor is no longer included in -Wall.
5117 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
5119 * gcov.c (print_version), gcov-dump.c (print_version),
5120 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
5123 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
5125 * df-scan.c (problem_SCAN): Added NULL reset function.
5126 (df_scan_reset_blocks): Added code to call reset block function
5127 (df_bb_refs_delete) Fixed comment.
5128 (df_insn_refs_delete): Made tolerant of deleting non existent info
5129 for dataflow problems that need to be reset.
5130 * df-core.c (df_set_blocks): Ditto.
5131 * df.h (struct df_problem): Added reset_fun.
5132 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
5133 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
5134 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
5135 functions to clear out all references to def-use or use-def chains.
5137 2006-01-21 Ben Elliston <bje@au.ibm.com>
5139 * varasm.c (assemble_real): Initialise data array.
5141 2006-01-20 Paul Brook <paul@codesourcery.com>
5143 Merge from csl-arm-branch.
5144 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5145 * config/arm/arm.md (movdi): Force operands[1] to a register
5146 if we have a non-register source.
5147 (*arm_movdi, *movdf_soft_insn): Require that one of the
5148 operands be a register.
5149 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
5150 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
5152 2006-01-20 DJ Delorie <dj@redhat.com>
5154 * varasm.c (initialize_constant_valid_p): Allow pointers
5155 initialized from integer constants of lesser precision.
5156 (output_constant): Allow non-int-sized pointer modes to be
5157 initialized from integer constants.
5159 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
5162 * cppdefault.h (struct default_include): Add multilib flag.
5163 * cppdefault.c (cpp_include_defaults): Set it.
5164 * c.opt (-imultilib): New option.
5165 * c-opts.c (imultilib): New.
5166 (c_common_handle_option): Handle -imultilib.
5167 (c_common_post_options): Likewise.
5168 * c-incpath.c (add_standard_paths, register_include_chains):
5170 * c-incpath.h (register_include_chains): Add extra parameter.
5171 * gcc.c (do_spec_1): Generate -imultilib option.
5172 (The Specs Language): Update %I description.
5173 (process_command): Update copyright notice.
5174 * doc/cppopts.texi (-imultilib): Document.
5175 * doc/invoke.texi (-imultilib): Include in option summary.
5176 (%I): Update specs documentation.
5178 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5180 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
5182 2006-01-20 Richard Sandiford <richard@codesourcery.com>
5184 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
5187 2006-01-20 Richard Guenther <rguenther@suse.de>
5188 Steven Bosscher <stevenb.gcc@gmail.com>
5190 PR rtl-optimization/24626
5191 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
5192 EDGE_TRUE_VALUE if in RTL mode.
5195 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
5196 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
5198 2006-01-20 Dirk Mueller <dmueller@suse.com>
5201 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
5202 instead of a special NOP marker.
5203 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
5204 NOP marker handling.
5205 * c-common.h (empty_body_warning): Add forward declaration.
5206 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
5207 Now uses IS_EMPTY_STMT() instead of special NOP markers.
5209 2006-01-20 Paul Brook <paul@codesourcery.com>
5211 * Makefile.in (lang_checks): Keep going if mkdir fails.
5213 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5215 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
5216 be able to clean out basic block when not necessary.
5217 (df_scan_free): Fixed to properly delete information if df is
5218 unused before calling df_finish.
5219 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
5220 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
5222 (df_bb_refs_delete): New function.
5223 (df_refs_delete): Moved per block code to df_bb_refs_delete.
5224 * df-core.c (df_set_blocks): Added code to properly clean out
5225 unused blocks if they are not part of the blocks to consider.
5226 Added additional null check.
5227 (df_compact_blocks): Added basic block parameter to free_bb_fun to
5228 be able to clean out basic block when not necessary
5229 * df.h (df_free_bb_function): Ditto.
5230 (df_bb_refs_delete): New function.
5231 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
5232 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
5233 basic block parameter to be able to clean out basic block when not
5235 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
5236 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
5237 Fixed to properly delete information if df is unused before
5240 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5242 PR rtl-optimization/25799
5243 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
5244 Corrected confluence operator to remove bits from op2 before oring
5245 with op1 rather than removing bits from op1.
5246 (df_ru_transfer_function): Corrected test on wrong bitmap which
5247 caused infinite loop. Both of these problems were introduced in
5248 the dataflow rewrite.
5250 2006-01-19 DJ Delorie <dj@redhat.com>
5252 * reload1.c (find_reload_regs): Note the details of reload
5253 failures in the dump file.
5254 (spill_failure): Likewise.
5256 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5258 * loop-iv.c: Include df.h and hashtab.h.
5259 (enum iv_grd_result): New enum.
5260 (DF_REF_IV, DF_REF_IV_SET): New macros.
5261 (struct biv_entry): New.
5262 (df, bivs): New global variables.
5263 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
5264 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
5266 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
5267 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
5268 analyzed_for_bivness_p, record_biv): New functions.
5269 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
5270 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
5271 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
5273 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
5275 (iv_number_of_iterations): Use new interface to iv analysis.
5276 * loop-unroll.c: Do not include varray.h.
5277 (analyze_iv_to_split_insn): Use new interface to iv
5279 * loop-unswitch.c (may_unswitch_on): Ditto.
5280 * df.c (df_bitmaps_free): Only work for bbs for that structures are
5282 (df_bb_modify): Realloc tables to the new index.
5283 (df_find_use): New function.
5284 * df.h (df_find_use): Declare.
5285 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
5287 * cfgloop.h (struct rtx_iv): Remove analysed field.
5288 (iv_get_reaching_def): Removed.
5289 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
5290 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
5291 (loop-iv.o): Add df.h and hashtab.h dependency.
5292 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
5294 2006-01-20 Alan Modra <amodra@bigpond.net.au>
5297 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
5299 (__floatundisf, __floatundidf): Likewise.
5300 * libgcc2.h (IS_IBM_EXTENDED): Define.
5302 2006-01-19 DJ Delorie <dj@redhat.com>
5304 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
5306 2006-01-19 Paul Brook <paul@codesourcery.com>
5308 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
5309 as nothrow when unwinding tables are disabled.
5311 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5314 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
5315 of bit-field" when in system header.
5317 2006-01-19 DJ Delorie <dj@redhat.com>
5319 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
5320 the 16 bit shift limit of the m16c.
5322 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
5325 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
5326 * config/i386/i386.c (output_set_got): Output the label if we have one
5327 for the TARGET_DEEP_BRANCH_PREDICTION case.
5329 2006-01-19 Jan Hubicka <jh@suse.cz>
5330 H.J. Lu <hongjiu.lu@intel.com>
5331 Evandro Menezes <evandro.menezes@amd.com>
5333 * invoke.texi (generic): Document
5335 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
5336 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
5337 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
5338 (x86_use_incdec, x86_pad_returns): New variables
5339 (TARGET_CPU_DEFAULT_generic): New constant
5340 (TARGET_CPU_DEFAULT_NAMES): Add generic.
5341 (enum processor_type): Add generic32 and generic64.
5342 * i386.md (cpu attribute): Add generic32/generic64
5343 (movhi splitter): Behave sanely when both partial_reg_dependency and
5344 partial_reg_stall are set.
5345 (K8 splitters): Enable for generic as well.
5346 * predicates.md (incdec_operand): Use TARGET_INCDEC
5347 (aligned_operand): Avoid memory mismatch stalls.
5348 * athlon.md: Enable for generic64, new patterns for 128bit moves.
5349 * ppro.md: Enable for generic32
5350 * i386.c (generic64_cost, generic32_cost): New.
5351 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
5352 (x86_use_leave): Enable for generic64. (x86_use_sahf,
5353 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
5354 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
5355 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
5356 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5357 x86_partial_reg_dependency, x86_memory_mismatch_stall,
5358 x86_accumulate_outgoing_args, x86_prologue_using_move,
5359 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
5360 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
5362 (x86_use_incdec, x86_pad_returns): New.
5363 (override_options): Add generic32 and generic64, translate "generic"
5364 to generic32/generic64 and "i686" to "generic32", refuse
5365 "generic32"/"generic64" as arch target.
5366 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
5367 (ix86_reorg): Honor PAD_RETURNS.
5369 2006-01-19 Diego Novillo <dnovillo@redhat.com>
5371 * tree-pretty-print.c (dump_generic_node): Handle
5372 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
5373 * cgraph.c (cgraph_expand_queue): Rename from
5374 cgraph_analyze_queue. Update all users.
5375 * cgraphunit.c (cgraph_assemble_pending_functions): Process
5376 cgraph_expand_queue.
5377 (cgraph_expand_all_functions): Likewise.
5378 (cgraph_finalize_pending_functions): Remove. Update callers.
5380 * tree.h (OMP_DIRECTIVE_P): Define.
5381 (OMP_PARALLEL_FN): Define.
5382 (OMP_PARALLEL_DATA_ARG): Define.
5383 (OMP_SECTIONS_SECTIONS): Define.
5384 * tree-pass.h (pass_expand_omp): Declare.
5385 * omp-low.c (struct omp_region): Declare.
5386 (struct omp_context): Remove fields 'parallel_type',
5387 'parallel_start_ix' and 'parallel_start_additional_args'.
5389 (struct omp_for_data): Rename from struct expand_omp_for_data.
5390 (omp_regions): New static variable.
5391 (root_omp_region): New static variable.
5392 (find_omp_clause): Make static.
5393 (is_in_combined_parallel_ctx): Remove.
5394 (is_combined_parallel): New.
5395 (extract_omp_for_data): Move earlier in the file.
5396 (workshare_safe_to_combine_p): New.
5397 (get_ws_args_for): New.
5398 (determine_parallel_type): Move earlier in the file.
5399 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
5401 (omp_copy_decl): Likewise.
5402 (create_omp_child_function): Likewise.
5403 (lookup_omp_region): New.
5404 (dump_omp_region): New.
5405 (debug_omp_region): New.
5406 (debug_all_omp_regions): New.
5407 (new_omp_region): New.
5408 (scan_omp_parallel): If parallel_nesting_level > 1, the
5409 directive is nested within another parallel directive.
5410 Set OMP_PARALLEL_FN.
5411 (scan_omp_for): Do not try to handle combined parallel+for
5413 Remove FIXME comment.
5414 (scan_omp_nested): Remove.
5415 (scan_omp_1): Do not call scan_omp_nested when
5416 parallel_nesting_level is > 1.
5417 Do not change the DECL_CONTEXT of local variables found.
5418 (lookup_decl_in_outer_ctx): New.
5419 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
5420 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
5421 (lower_reduction_clauses): Rename from expand_reduction_clauses.
5422 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
5423 If CTX is nested, lookup VAR in the outer context when
5424 building copy assignment.
5425 (lower_send_clauses): Rename from expand_send_clauses.
5426 If CTX is nested, lookup VAR in the outer context when
5427 building copy assignments.
5428 (lower_send_shared_vars): Rename from expand_send_shared_vars.
5429 If CTX is nested, lookup VAR in the outer context when
5430 building copy assignments.
5431 (expand_parallel_call): Rename from build_parallel_call.
5432 Handle combined parallel+workshare cases.
5433 Re-implement to emit code into the CFG.
5435 (expand_omp_parallel): Re-implement to emit code into the CFG.
5436 Call move_sese_region_to_fn to outline the sub-graph
5437 containing the parallel region.
5438 (expand_omp_for_1): Remove.
5439 (expand_omp_for_generic): Re-implement to emit code into the
5441 (expand_omp_for_static_nochunk): Likewise.
5442 (expand_omp_for_static_chunk): Likewise.
5443 (expand_omp_for): Likewise.
5444 (expand_omp_sections): Likewise.
5445 (remove_exit_barriers): New.
5446 (expand_omp_synch): New.
5448 (build_omp_regions_1): New.
5449 (build_omp_regions): New.
5450 (execute_expand_omp): New.
5451 (gate_expand_omp): New.
5452 (pass_expand_omp): Define.
5453 (lower_omp_sections): Rename from expand_omp_sections.
5454 Set OMP_SECTIONS_SECTIONS.
5455 (lower_omp_single_simple): Rename from expand_omp_single_simple.
5456 (lower_omp_single_copy): Rename from expand_omp_single_copy.
5457 (lower_omp_single): Rename from expand_omp_simple.
5458 (lower_omp_master): Rename from expand_omp_master.
5459 (lower_omp_ordered): Rename from expand_omp_ordered.
5460 (lower_omp_critical): Rename from expand_omp_critical.
5461 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
5462 (lower_omp_for): Re-implement.
5463 (lower_omp_parallel): Re-implement.
5464 (lower_regimplify): Rename from expand_regimplify.
5465 (lower_omp_1): Rename from expand_omp_1.
5466 If there are syntax errors in the program, replace every
5467 OpenMP directive with NOP.
5468 Call lower_omp_* instead of expand_omp_*.
5469 (lower_omp): Rename from expand_omp.
5471 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
5472 * tree-gimple.h (enum omp_parallel_type): Remove.
5473 (gimple_boolify): Declare extern.
5474 (find_omp_clause, determine_parallel_type): Remove.
5476 * gimple-low.c (lower_omp_directive): New.
5477 (lower_stmt): Call it.
5478 (record_vars_into): Move from ...
5479 (record_vars): ... here.
5480 Call record_vars_into with current_function_decl.
5482 * gimplify.c (struct gimplify_ctx): Remove fields
5483 combined_pre_p and combined_ctxp. Update users.
5484 (get_formal_tmp_var): Add documentation.
5485 (gimple_boolify): Make extern.
5486 (gimplify_expr_in_ctx): Remove. Update callers.
5487 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
5488 will always be a BIND_EXPR.
5489 (gimplify_expr): Handle OMP_RETURN_EXPR.
5490 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
5491 (OMP_PARALLEL): Add 3 operands.
5492 (OMP_SECTIONS): Add 1 operand.
5493 (OMP_RETURN_EXPR): Define.
5495 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
5496 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
5497 * tree-iterator.c (alloc_stmt_list): Assert that we are not
5498 creating a circular free list.
5499 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
5501 * tree-flow.h (move_sese_region_to_fn): Declare.
5502 (record_vars_into): Declare.
5503 * tree-cfg.c (make_omp_sections_edges): New.
5504 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
5505 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
5506 OMP_SECTIONS and OMP_SECTION.
5507 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
5508 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
5509 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
5510 (gather_blocks_in_sese_region): New.
5511 (struct move_stmt_d): Declare.
5513 (move_block_to_fn): New.
5514 (move_sese_region_to_fn): New.
5516 * passes.c (init_optimization_passes): Schedule
5517 pass_expand_omp after pass_init_datastructures.
5519 * tree-ssa-operands.c (get_expr_operands): Handle
5520 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
5521 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
5523 2006-01-19 Jeff Law <law@redhat.com>
5525 * tree-vrp.c (extract_range_from_assert): Refine the result range
5526 if the variable referenced by the ASSERT_EXPR has a range and
5527 either the tentative result range or the previous range is a
5530 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5532 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
5534 2006-01-19 Jan Hubicka <jh@suse.cz>
5536 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
5538 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
5540 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
5541 (expand_compound_operation, expand_field_assignment): Fail if the
5542 bit lengths of an extract operation are out of range.
5543 (make_extraction): Compute wanted_inner_mode based on the position
5544 and length of the extraction. Make it extraction_mode for non-constant
5545 positions, and do not modify offset in that case. When generating a
5546 new MEM, use a mode that can hold the extraction while keeping correct
5547 alignment. Remove code that supported MEMs wrapped by USEs.
5548 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
5550 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
5552 * config/s390/s390.md ("Y", "y"): New mode attribute.
5553 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5554 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
5555 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
5556 "*addsi3_imm_cc", "*addsi3_carry1_cc",
5557 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
5558 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
5559 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
5560 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
5561 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
5562 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
5563 "addsi3", "subsi3"): Insn patterns removed.
5564 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
5565 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
5566 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
5567 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
5568 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
5569 "*sub<mode>3_cconly2"): New insn patterns.
5570 ("addsi3", "subsi3"): New expanders.
5572 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
5574 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
5575 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
5576 existing STMT_VINFO_VECTYPE if available.
5577 (vect_mark_relevant): Add special handling for stmts that are
5578 marked as STMT_VINFO_IN_PATTERN_P.
5579 (vect_analyze_loop): Call vect_pattern_recog.
5580 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
5581 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
5583 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
5584 (vect_recog_func_ptr): New function-pointer type.
5585 * tree-vect-patterns.c: New file.
5586 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
5587 (vect_recog_dot_prod_pattern, vect_pattern_recog):
5588 (vect_pattern_recog_1): New functions.
5589 (vect_pattern_recog_funcs): New array of function pointers.
5591 * tree-vectorizer.h (ternary_op): New enum value.
5592 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
5593 declaration. Revised documentation. Removed redundant dump prints.
5594 Removed redundant argument. Added support for reduction patterns.
5595 (vectorizable_reduction): Added support for reduction patterns.
5596 (vect_transform_stmt): Added support for patterns.
5598 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
5599 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
5600 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
5601 (expand_widen_pattern_expr): New function.
5602 (init_optabs): Initialize new optabs udot_prod_optab,
5604 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
5605 (sdot_prod_optab, udot_prod_optab): Define new optabs.
5606 (expand_widen_pattern_expr): New function declaration.
5607 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
5609 * tree-inline.c (estimate_num_insns_1): Added cases for new
5610 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5611 * tree-pretty-print.c (dump_generic_node): Likewise.
5612 (op_prio): Likewise.
5613 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5614 * tree-ssa-operands.c (get_expr_operands): Added case for
5616 * tree-vect-patterns.c (widened_name_p): New function.
5617 (vect_recog_dot_prod_pattern): Added function implementation.
5618 * tree-vect-transform.c (get_initial_def_for_reduction): Added
5619 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
5620 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
5621 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
5623 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
5624 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
5625 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
5626 (init_optabs): Initialize new optabs widen_ssum_optab,
5628 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
5629 (widen_ssum_optab, widen_usum_optab): Define new optabs.
5630 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
5631 use instead of type of def.
5632 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
5633 function implementation.
5634 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
5635 widen_ssumv8hi): New.
5637 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
5640 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5643 * c-decl.c (add_flexible_array_elts_to_size): New function.
5644 (finish_decl): Use it.
5646 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
5648 * diagnostic.h: Include options.h.
5649 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
5650 dependancies for diagnostic.h.
5651 * Makefile.in (DIAGNOSTIC_H): Add options.h.
5653 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
5655 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
5656 (ssa_ro_call_cache_valid): Ditto.
5657 * tree-ssa-alias.c (sort_tags_by_id): New function.
5658 (init_transitive_clobber_worklist): Ditto.
5659 (add_to_worklist): Ditto.
5660 (mark_aliases_call_clobbered): Ditto.
5661 (compute_tag_properties): Ditto.
5662 (set_initial_properties): Ditto.
5663 (compute_call_clobbered): Ditto.
5664 (compute_may_aliases): Call compute_call_clobbered and grouping.
5665 (compute_flow_sensitive_aliasing): Remove clobbering related code.
5666 (compute_flow_insensitive_aliasing): Grouping now happens in our
5668 (setup_pointers_and_addressables): Remove clobbering related code.
5669 (add_may_alias): Ditto.
5670 (replace_may_alias): Ditto.
5671 (get_nmt_for): Ditto.
5672 (create_global_var):
5673 (is_escape_site): Return an escape_type enumeration.
5674 * tree-flow-inline.h (is_call_clobbered): Global var does not
5675 imply call clobbered.
5676 (mark_call_clobbered): Take a reason for marking this. Remove
5677 marking of globalness, and cache invalidation.
5678 (clear_call_clobbered): Remove cache invalidation code.
5679 * tree-dfa.c (dump_variable): If details is on, dump the reason
5681 * tree-outof-ssa.c (create_temp): Copy escape mask from original
5683 * tree-flow.h (struct ptr_info_def): Add escape mask member.
5684 (struct var_ann_d): Ditto.
5685 (enum escape_type): New.
5686 (mark_call_clobbered): Adjust prototype.
5687 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
5688 are never call clobbered.
5689 Record reasons for escaping.
5690 * tree-ssa-structalias.h (is_escape_site): Update prototype.
5691 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
5692 (ssa_ro_call_cache_valid): Ditto.
5693 (clobbered_v_may_defs): Ditto.
5694 (clobbered_vuses): Ditto.
5695 (ro_call_vuses): Ditto.
5696 (clobber_stats): New.
5697 (init_ssa_operands): Zero out clobber stats.
5698 (fini_ssa_operands): Print out clobber stats.
5699 (get_call_expr_operands): Pass callee fndecl to
5701 (add_call_clobber_ops): Remove use of cache.
5702 Add use of PURE_CONST information.
5703 (add_call_read_ops): Remove use of cache.
5704 Add use of static not_read information.
5706 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
5708 Introduce TLS descriptors for i386 and x86_64.
5709 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
5710 (TARGET_ANY_GNU_TLS): New macro.
5711 (enum tls_dialect): Added TLS_DIALECT_GNU2.
5712 (struct machine_function): Add tls_descriptor_call_expanded_p.
5713 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
5714 (ix86_current_function_calls_tls_descriptor): Likewise.
5715 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
5716 (override_options): Introduce gnu2 tls dialect.
5717 (ix86_frame_pointer_required): Functions containing TLSCALLs are
5719 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
5721 (legitimize_tls_address): Adjust logic for GNU2 TLS.
5722 (ix86_init_machine_status): Initialize new field.
5723 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
5724 (ix86_tls_module_base): New.
5725 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
5726 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
5727 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
5728 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
5729 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
5730 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
5731 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
5732 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
5733 * config/i386/predicates.md (tls_modbase_operand): New.
5734 (tp_or_register_operand): New.
5736 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
5738 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
5739 (look_for_address_of): Ditto.
5740 (ipa_init): Walk the function decls.
5741 (static_execute): Don't set readonly on FUNCTION_DECL's.
5743 2006-01-18 Roger Sayle <roger@eyesopen.com>
5745 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
5746 for shifts where the source and destination registers are different.
5748 2006-01-18 Paul Brook <paul@codesourcery.com>
5750 Merge from csl-arm-branch.
5751 2005-03-14 Julian Brown <julian@codesourcery.com>
5752 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
5753 (aeabi_llsl): Likewise.
5754 (ashrdi3): Likewise.
5755 (aeabi_lasr): Likewise.
5756 (lshrdi3): Likewise.
5757 (aeabi_llsr): Likewise.
5758 2005-03-10 Julian Brown <julian@codesourcery.com>
5759 * config.gcc: Disable shared libgcc for SymbianOS.
5760 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
5762 2006-01-18 DJ Delorie <dj@redhat.com>
5764 * c-pragma.c (handle_pragma_diagnostic): New.
5765 (init_pragma): Register it.
5766 * doc/extend.texi: Document it.
5768 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
5769 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5770 (diagnostic_context): Add classify_diagnostic[].
5771 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5772 as errors if they're overridden to DK_WARNING.
5773 (diagnostic_initialize): Initialize classify_diagnostic[].
5774 (diagnostic_set_kind_override): New.
5775 (diagnostic_report_diagnostic): Check for kind changes.
5776 * opts.c (common_handle_option): Take lang_mask. Update callers.
5778 * common.opt (Werror=): New.
5779 * doc/invoke.texi: Document -Werror=*
5781 2006-01-18 Jeff Law <law@redhat.com>
5783 * tree-vrp.c (test_for_singularity): Correct test for new
5784 min limit. Use operand_equal_p rather than pointer equality
5785 for testing if new min/max values are equal.
5787 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5788 using range information until after propagation and folding.
5790 2006-01-18 Richard Henderson <rth@redhat.com>
5791 Aldy Hernandez <aldyh@redhat.com>
5792 Jakub Jelinek <jakub@redhat.com>
5793 Diego Novillo <dnovillo@redhat.com>
5795 * omp-low.c: New file.
5796 * c-omp.c: New file.
5798 2006-01-18 Richard Henderson <rth@redhat.com>
5799 Jakub Jelinek <jakub@redhat.com>
5800 Diego Novillo <dnovillo@redhat.com>
5802 * doc/invoke.texi: Document -fopenmp.
5803 * tree-dump.h (debug_function): Declare.
5804 * hooks.c (hook_bool_tree_bool_false): New function.
5805 (hook_tree_tree_null): Remove.
5806 (hook_tree_tree_tree_null): New.
5807 * hooks.h: Update to match.
5808 * tree-pretty-print.c (debug_tree_chain): New.
5809 (print_generic_expr): Handle TDF_CHAIN.
5810 (dump_generic_node): Handle BLOCK.
5811 Do not abort with incomplete SWITCH_EXPRs.
5812 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5813 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5814 print space after directive name.
5815 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5816 Handle OMP_MASTER and OMP_ORDERED.
5817 Handle printing of OMP_BODY just in one place, goto
5818 dump_omp_body in the rest of OMP_* nodes that have
5820 Don't handle clause nodes here. Update omp statements to
5821 use dump_omp_clauses.
5822 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5823 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5824 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5825 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5826 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5827 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5828 Adjust output for GOMP_PARALLEL.
5829 (dump_omp_clauses): New.
5830 (print_declaration): Dump DECL_VALUE_EXPR.
5831 (op_symbol_1): Split out of op_symbol.
5832 (dumping_stmts): Remove. Update all users.
5833 * cgraph.c (cgraph_analyze_queue): New.
5834 (cgraph_add_new_function): New.
5835 * cgraph.h (cgraph_analyze_queue): Declare.
5836 (cgraph_add_new_function): Declare.
5837 (cgraph_lower_function): Remove.
5838 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5839 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5840 and TYPE_P nodes in its default clause.
5841 (empty_body_p): New.
5842 (tree_range_check_failed): New.
5844 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5845 OMP_CLAUSE_REDUCTION_MERGE,
5846 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5847 OMP_CLAUSE_PRIVATE_DEBUG,
5848 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5849 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5850 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5851 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5852 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5853 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5854 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5855 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
5856 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
5857 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
5858 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
5859 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
5860 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
5861 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
5862 (TREE_RANGE_CHECK): New.
5863 (empty_body_p): Declare.
5864 (enum omp_clause_default_kind): New.
5865 (build_string_literal): Declare.
5866 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5867 (build5_stat, build5): Declare.
5868 * tree-pass.h (TDF_CHAIN): Define.
5869 * tree-pass.h (PROP_gimple_lomp): Define.
5870 (pass_lower_omp): Declare.
5871 * diagnostic.h (debug_tree_chain): Declare.
5872 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5874 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5875 * builtins.c (build_string_literal): Make extern.
5876 * gcc.c (include_spec_function): New.
5877 (static_spec_functions): Add it.
5878 (main): Move load of libgomp.spec ...
5879 (LINK_COMMAND_SPEC): ... here.
5880 (link_gomp_spec): New.
5881 (static_specs): Include it.
5882 (LINK_COMMAND_SPEC): Add link_gomp.
5883 (GOMP_SELF_SPECS): New.
5884 (driver_self_specs): Include it.
5885 (switch_matches): Don't mark inline.
5886 (main): Load libgomp.spec.
5887 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5888 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5889 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5890 * tree-gimple.h (enum omp_parallel): Declare.
5891 (determine_parallel_type): Declare.
5892 (omp_firstprivatize_variable): Declare.
5893 (omp_reduction_init): Declare.
5894 (diagnose_omp_structured_block_errors): Declare.
5895 (struct walk_stmt_info): Add want_return_expr.
5896 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5897 (find_omp_clause): Declare.
5898 (insert_field_into_struct): Declare.
5899 (struct walk_stmt_info): Move from tree-nested.c
5900 (walk_stmts): Declare.
5901 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5903 * cgraphunit.c (cgraph_lower_function): Make static.
5904 (cgraph_finalize_pending_functions): New.
5905 (cgraph_finalize_function): Call it.
5906 (cgraph_finalize_compilation_unit): Likewise.
5907 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5908 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5909 (BT_FN_UINT_UINT): New.
5910 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5911 DEF_FUNCTION_TYPE_VAR_4): Document.
5912 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5913 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5914 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5915 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5916 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5917 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5918 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5919 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5920 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5921 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5922 into separate files.
5923 (DEF_GOMP_BUILTIN): New.
5924 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5925 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5926 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5927 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5928 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5929 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5930 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5931 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5932 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5933 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5934 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5935 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5936 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5937 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5938 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5939 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5940 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5941 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5942 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5943 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5944 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5945 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5946 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5947 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5948 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5949 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5950 * sync-builtins.def: New file, moved from builtins.def.
5951 * omp-builtins.def: New file, moved from builtins.def.
5952 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5953 * gimple-low.c (lower_function_body): Clear data.
5954 (lower_stmt): Do not handle COMPOUND_EXPR.
5955 Remove call to print_node_brief.
5956 * c-tree.h (c_finish_omp_clauses): New prototype.
5957 (C_DECL_THREADPRIVATE_P): Define.
5958 (lookup_name_no_remap, c_omp_remap_private): Remove
5959 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5960 (check_for_loop_decls): Update decl.
5961 (lookup_name_no_remap, c_omp_remap_private): Declare.
5962 (build_indirect_ref, build_modify_expr, pushdecl,
5963 pushdecl_top_level): Move to c-common.h.
5964 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5965 before the switch, but just in the 2 places that need it.
5966 * c-decl.c (diagnose_mismatched_decls): Do not check for
5967 mismatched thread-local attributes when OLDDECL is marked
5968 threadprivate and NEWDECL has no thread-local attributes.
5969 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5970 (c_gimple_diagnostics_recursively): Rename from
5971 c_warn_unused_result_recursively. Invoke
5972 diagnose_omp_structured_block_errors.
5973 (check_for_loop_decls): Return a singular decl found.
5974 * langhooks.c (lhd_omp_predetermined_sharing): Return
5975 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5976 (lhd_omp_firstprivatize_type_sizes): New.
5977 (lhd_omp_assignment): New.
5978 (lhd_omp_predetermined_sharing): New.
5979 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5980 (struct lang_hooks_for_types): Add
5981 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5982 omp_predetermined_sharing, omp_disregard_value_expr,
5983 omp_private_debug_clause, omp_clause_default_ctor,
5984 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5985 (c_finish_omp_clauses): New.
5986 (c_finish_bc_stmt): Diagnose break within omp for.
5987 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5988 (build_unary_op): Return error_mark after reporting
5990 (build_modify_expr): Likewise.
5991 * gimplify.c: Include optabs.h and pointer-set.h.
5992 (enum gimplify_omp_var_data): Declare.
5993 (struct gimplify_omp_ctx): Declare.
5994 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5996 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5997 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5998 (splay_tree_compare_decl_uid): New.
5999 (new_omp_context): New.
6000 (delete_omp_context): New.
6001 (gimple_add_tmp_var): Call omp_add_variable.
6002 (gimplify_bind_expr): Likewise.
6003 (gimplify_var_or_parm_decl): If omp_notice_variable returned
6004 true, disregard DECL_VALUE_EXPR on the decl if any.
6005 (gimplify_expr_in_ctx): New.
6006 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
6007 omp_add_variable, omp_notice_variable, omp_is_private
6008 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
6009 gimplify_adjust_omp_clauses, gimplify_omp_parallel
6010 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
6011 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
6012 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
6013 gimplify_omp_atomic): New.
6014 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6015 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6016 OMP_CRITICAL and OMP_ATOMIC.
6017 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
6018 * c-pragma.h (enum pragma_kind): Add
6019 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
6020 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
6021 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
6022 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
6023 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
6024 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
6025 PRAGMA_OMP_THREADPRIVATE.
6026 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6027 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6028 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
6029 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
6030 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
6031 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
6032 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
6033 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
6034 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
6035 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
6036 * tree-ssa-dce.c (find_control_dependence): Do not assume that
6037 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
6038 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
6040 (struct nesting_info): Add field_map,
6041 suppress_expansion, debug_var_chain.
6042 (create_nesting_tree): Initialize them.
6043 (lookup_field_for_decl): Use field_map.
6044 (get_nonlocal_debug_decl, get_local_debug_decl): New.
6045 (convert_local_omp_clauses): New.
6046 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
6047 (walk_body): Split out of walk_function.
6048 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
6049 (convert_nonlocal_reference): Handle omp statements.
6050 (convert_local_reference): Likewise.
6051 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
6052 (unnest_nesting_tree): New.
6053 (lower_nested_functions): Call it.
6054 (insert_field_into_struct): Make extern.
6055 (struct walk_stmt_info): Move to tree-gimple.h.
6056 (walk_stmts): Make extern.
6057 * omp-builtins.def: New file.
6058 * tree-iterator.c (expr_only): Clarify comment.
6059 * c-common.h (pushdecl_top_level, pushdecl,
6060 build_modify_expr, build_indirect_ref,
6061 c_finish_omp_master, c_finish_omp_critical,
6062 c_finish_omp_ordered, c_finish_omp_barrier,
6063 c_finish_omp_atomic, c_finish_omp_flush,
6064 c_finish_omp_for, c_split_parallel_clauses,
6065 omp_clause_default_kind, c_omp_sharing_predetermined,
6066 c_omp_remap_decl): Declare.
6067 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
6068 (OBJS-common): Add omp-low.o.
6069 (c-omp.o, omp-low.o): Add.
6070 (gimplify.o): Add dependency on $(OPTABS_H).
6071 (GTFILES): Add omp-low.c.
6072 (gt-stringpool.h): Add.
6073 * tree-cfg.c (set_bb_for_stmt): Do not update the
6074 block-to-labels map if we are currently expanding to RTL.
6075 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
6077 Handle IDENTIFIER_NODE.
6078 (tree_verify_flow_info): Do not ICE when emitting error
6079 messages about invalid labels.
6080 (dump_function_to_file): Reset CFUN before emitting the body
6082 (debug_function): New.
6083 * passes.c (init_optimization_passes): Schedule
6085 * langhooks-def.h (lhd_omp_predetermined_sharing,
6086 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
6088 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
6089 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
6090 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
6091 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
6092 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
6093 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
6094 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
6095 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
6096 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
6097 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
6098 (LANG_HOOK_DECLS): Use them.
6100 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
6101 Richard Henderson <rth@redhat.com>
6102 Jakub Jelinek <jakub@redhat.com>
6103 Diego Novillo <dnovillo@redhat.com>
6105 * c-parser.c (pragma_omp_clause): Define.
6106 (c_parser_declaration_or_fndef): Document OpenMP syntax.
6107 (c_parser_compound_statement): Likewise.
6108 (c_parser_statement): Likewise.
6109 (c_parser_pragma): Handle omp pragmas.
6110 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
6111 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
6112 (c_parser_omp_clause_name, check_no_duplicate_clause,
6113 c_parser_omp_variable_list,
6114 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
6115 c_parser_omp_clause_copyprivate,
6116 c_parser_omp_clause_default,
6117 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
6118 c_parser_omp_clause_lastprivate,
6119 c_parser_omp_clause_nowait,
6120 c_parser_omp_clause_num_threads,
6121 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
6122 c_parser_omp_clause_reduction,
6123 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
6124 c_parser_omp_all_clauses, c_parser_omp_structured_block,
6125 c_parser_omp_atomic, c_parser_omp_barrier,
6126 c_parser_omp_critical, c_parser_omp_flush,
6127 c_parser_omp_for_loop, c_parser_omp_for,
6128 c_parser_omp_master, c_parser_omp_ordered,
6129 c_parser_omp_sections_scope, c_parser_omp_sections,
6130 c_parser_omp_parallel, c_parser_omp_single,
6131 c_parser_omp_construct, c_parser_omp_threadprivate): New.
6132 * c-pragma.c (init_pragma): Do omp pragma registration here.
6133 * c.opt (fopenmp): New flag.
6135 2006-01-18 Eric Christopher <echristo@apple.com>
6137 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
6138 * config/darwin.h (GOMP_SELF_SPECS): Define.
6140 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6142 * rtl.h: Remove the prototype for reg_alloc.
6144 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6147 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
6148 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
6149 sjlj and dwarf2 exception handling.
6150 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
6151 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
6152 * pa/pa.c (function_value): Treat complex and vector types as
6154 (function_arg): Likewise. Only pass scalar floats in the floating
6155 point argument registers.
6156 * pa/t-slibgcc-dwarf-ver: New file.
6157 * pa/t-slibgcc-sjlj-ver: New file.
6158 * pa/t-slibgcc-elf-ver: Delete file.
6160 2006-01-19 Alan Modra <amodra@bigpond.net.au>
6162 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
6163 unlikely_test_section_p test.
6165 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6167 * mode-switching.c (optimize_mode_switching): Make it static.
6168 * basic-block.h: Remove the prototype for
6169 optimize_mode_switching.
6171 * modulo-sched.c (sms_schedule): Make it static.
6172 * rtl.h: Remove the prototype for sms_schedule.
6174 * postreload-gcse.c (gcse_after_reload_main): Make it static.
6175 * rtl.h: Remove the prototype for gcse_after_reload_main.
6177 * reg-stack.c (reg_to_stack): Make it static.
6178 * rtl.h: Remove the prototype for reg_to_stack.
6180 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
6182 * rtl.h: Remove the prototypes for regrename_optimize and
6183 copyprop_hardreg_forward.
6185 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
6187 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
6188 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
6189 Test against the appropriate null constant for the mode.
6190 If 'fixup_overlap' is true, swap the operands if they overlap.
6191 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
6192 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
6193 alpha_split_tmode_pair and adjust for above change.
6194 * config/alpha/alpha.md (movtf_internal): Adjust call to
6195 alpha_split_tfmode_pair and rely on it to swap the operands.
6196 (movti_internal): New insn and post-reload splitter.
6197 (movti): New expander.
6199 2006-01-18 Philippe De Muyter <phdm@macqel.be>
6201 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
6204 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6206 * rtlanal.c (global_reg_mentioned_p_1,
6207 global_reg_mentioned_p): Remove.
6208 * rtl.h: Remove the prototype for global_reg_mentioned_p.
6210 * flow.c (initialize_uninitialized_subregs): Make it static.
6211 * rtl.h: Remove the prototype for
6212 initialize_uninitialized_subregs.
6214 * function.c (instantiate_virtual_regs): Make it static.
6215 * function.h: Remove the prototype for
6216 instantiate_virtual_regs.
6218 * regmove.c (regmove_optimize, combine_stack_adjustments):
6220 * rtl.h: Remove the prototypes for regmove_optimize and
6221 combine_stack_adjustments.
6223 2006-01-17 Roger Sayle <roger@eyesopen.com>
6225 * config/i386/i386.c (COSTS_N_BYTES): New macro.
6226 (size_cost): Encode costs in bytes so that a reg-reg addition is
6227 equivalent to COSTS_N_INSNS(1).
6228 (override_options): Use the size_cost.branch_cost as the default
6229 ix86_branch_cost when optimizing for size.
6231 2006-01-18 Ben Elliston <bje@au.ibm.com>
6233 * Makefile.in (D32PBIT_FUNCS): New.
6234 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
6235 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
6236 D64PBIT_FUNCS and D128PBIT_FUNCS.
6237 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
6238 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
6240 (decnumber_dep): Define.
6241 * doc/libgcc.texi (Decimal float library routines): New node.
6242 * config/dfp-bit.h, config/dfp-bit.c: New files.
6244 2006-01-18 Ben Elliston <bje@au.ibm.com>
6246 * expr.c (emit_move_change_mode): Always adjust addresses, not
6247 just during reload. Copy replacements only during reload.
6248 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
6249 emit_move_via_integer.
6251 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
6253 * Makefile.in (check-%, check-consistency): Use $${srcdir}
6254 instead of $(srcdir) and ${srcdir}.
6256 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
6260 * arm.h (struct machine_function): Add pic_reg.
6261 * arm.c (arm_pic_register): Make unsigned.
6262 (arm_override_options): Only set arm_pic_register if
6263 TARGET_SINGLE_PIC_BASE.
6264 (use_return_insn): Only test for a pic register if it is fixed.
6265 (arm_compute_save_reg0_reg12_mask): Likewise.
6266 (thumb_compute_save_reg_mask): Likewise.
6267 (legitimate_pic_operand): Factor out some known invariants.
6268 (legitimize_pic_address): If we don't have a fixed pic register,
6269 then set up a pseudo in the function entry sequence. Handle the
6270 pic base being in a pseudo.
6271 (arm_load_pic_register): Handle the pic register being in a pseudo.
6272 (arm_expand_prologue): Only set up the pic register if it is fixed.
6273 (thumb_expand_prologue): Likewise.
6274 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
6275 (pic_load_addr_based_insn): Likewise.
6276 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
6279 2006-01-18 Ben Elliston <bje@au.ibm.com>
6281 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
6282 decimal float modes for all floating point registers.
6284 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
6285 match_code "mem" with match_test "macho_lo_sum_memory_operand".
6287 2006-01-17 Jakub Jelinek <jakub@redhat.com>
6290 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
6291 even when the pointer is not NULL.
6293 2006-01-16 Ian Lance Taylor <ian@airs.com>
6295 * common.opt (ftoplevel-reorder): New option.
6296 * cgraph.c (cgraph_asm_nodes): New global variable.
6297 (cgraph_asm_last_node): New static variable.
6298 (cgraph_order): New global variable.
6299 (cgraph_create_node): Set new order field.
6300 (cgraph_varpool_node): Likewise.
6301 (decide_is_variable_needed): Return true if not
6302 flag_toplevel_reorder.
6303 (cgraph_add_asm_node): New function.
6304 * cgraph.h (struct cgraph_node): Add order field.
6305 (struct cgraph_varpool_node): Add order field.
6306 (struct cgraph_asm_node): Define.
6307 (cgraph_asm_nodes, cgraph_order): Declare.
6308 (cgraph_add_asm_node): Declare.
6309 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
6311 (cgraph_varpool_assemble_pending_decls): Call it.
6312 (cgraph_output_pending_asms): New static function.
6313 (cgraph_finalize_compilation_unit): Call it.
6314 (struct cgraph_order_sort): Define.
6315 (cgraph_output_in_order): New static function.
6316 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
6317 !flag_toplevel_reorder case.
6318 * c-parser.c: Include "cgraph.h".
6319 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
6321 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
6322 than -fno-unit-at-a-time.
6323 * doc/invoke.texi (Option Summary): Mention
6324 -fno-toplevel-reorder.
6325 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
6326 -funit-at-a-time documentation.
6328 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
6329 Kazu Hirata <kazu@codesourcery.com>
6331 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
6333 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
6335 * Makefile.in (FUNCTION_H): New. Use it instead of
6336 function.h throughout the file.
6337 * function.h: Include tree.h.
6339 2006-01-17 Ben Elliston <bje@au.ibm.com>
6341 * recog.c: Separate some functions with whitespace.
6343 2006-01-16 Richard Henderson <rth@redhat.com>
6345 Merge from gomp branch:
6346 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
6347 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
6348 and rename from struct inline_data. Rename callee* to dst*;
6349 caller* to src*; add copy_decl hook, transform_call_graph_edges,
6350 transform_new_cfg, transform_return_to_modify, and
6351 transform_lang_insert_block flags; remove cloning_p, versioning_p,
6353 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
6354 (copy_decl_for_dup): Remove.
6355 * tree-inline.c (struct inline_data): Move to header.
6356 (insert_decl_map): Export.
6357 (remap_decl): Update for member name changes. Use copy_decl hook.
6358 Allow for replacement to be a non-decl. Remove dead code.
6359 (remap_type_1): Check for existing mapping.
6360 (remap_type): Export.
6361 (remap_decls): Update for member name changes.
6362 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
6363 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
6364 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
6365 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
6366 (tree_function_versioning, build_duplicate_type): Likewise.
6367 (copy_body_r): Likewise. Export.
6368 (copy_decl_for_dup): Split into ...
6369 (copy_decl_for_dup_finish, copy_decl_to_var,
6370 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
6371 (replace_ref_tree, inlining_p): Remove.
6373 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6375 * ifcvt.c (if_convert): Make it static.
6376 * rtl.h: Remove the prototype for if_convert.
6378 * local-alloc.c (local_alloc): Make it static.
6379 * rtl.h: Remove the prototype for local_alloc.
6381 * loop.c (loop_optimize): Make it static.
6382 * cfgloop.h: Remove the prototype for loop_optimize.
6385 2006-01-16 DJ Delorie <dj@redhat.com>
6387 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
6390 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6392 * pa.md: Disparage copies between general and floating-point registers
6393 in 32-bit move patterns.
6395 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
6398 * Makefile.in (check-%): Depend on site.exp instead of
6399 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
6402 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6404 * global.c (global_alloc): Make it static.
6405 * rtl.h: Remove the prototype for global_alloc.
6407 2006-01-16 Richard Guenther <rguenther@suse.de>
6409 * tree-ssa-alias.c (struct used_part): Add write_only field.
6410 (get_or_create_used_part_for): Initialize it to true.
6411 (create_overlap_variables_for): Don't create structure variables
6412 for structures that only are written to.
6413 (find_used_portions): Handle MODIFY_EXPR to track whether a
6414 structure is only written to.
6416 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6418 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
6420 * basic-block.h: Remove the prototype for
6421 partition_hot_cold_basic_blocks.
6423 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
6425 * cppspec.c (lang_specific_spec_functions): Remove.
6426 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
6427 * gcc.h (lang_specific_spec_functions): Remove.
6428 * gccspec.c (lang_specific_spec_functions): Remove.
6430 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
6432 * combine.c (record_value_for_reg): Invalidate registers
6434 (record_dead_and_set_regs_1): Likewise, by passing them to
6435 record_value_for_reg.
6436 (record_dead_and_set_regs): Invalidate stores made by a
6437 call. We do not combine across a call, but we still
6438 relied on equivalences.
6440 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6442 * tree-vrp.c (extract_range_from_binary_expr): Cope with
6443 vrp_int_const_binop returning non-constant nodes.
6445 2006-01-16 Paul Brook <paul@codesourcery.com>
6447 * config/m68k/m68k.c (output_move_const_into_data_reg):
6448 Output correct mnemonic for mvz and mvs.
6450 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
6452 * rtl-factoring.c: Add sequence abstraction algorithm.
6453 * cfgcleanup.c (outgoing_edges_match): Extra checks.
6454 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
6456 (block_has_preserve_label): New function.
6457 * common.opt: Register new pass.
6458 * Makefile.in: Ditto.
6460 * timevar.def: Ditto.
6461 * tree-pass.h: Ditto.
6462 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
6463 * rtl.h (make_jump_insn_raw): Add forward decl.
6464 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
6466 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6467 Roger Sayle <roger@eyesopen.com>
6469 * fold-const.c (fold_minmax): New static function.
6470 (fold_binary) <MIN_EXPR>: Call it.
6471 <MAX_EXPR>: Likewise.
6472 * stor-layout.c (place_field): Use DECL_SIZE consistently
6473 in the computation of the new record size.
6475 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6477 * cse.c (cse_condition_code_reg): Make it static.
6478 * rtl.h: Remove the prototype for cse_condition_code_reg.
6480 * combine.c (combine_instructions): Make it static.
6481 * rtl.h: Remove the prototype for combine_instructions.
6483 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6486 * tree.c (get_file_function_name_long): Concatenate the first global
6487 object name with a string derived from the input filename of the object
6490 2006-01-16 Ben Elliston <bje@au.ibm.com>
6492 * config/i386/winnt-stubs.c: Update FSF address.
6493 * config/xtensa/ieee754-df.S: Ditto.
6494 * config/xtensa/ieee754-sf.S: Ditto.
6496 2006-01-14 Ian Lance Taylor <ian@airs.com>
6498 * ifcvt.c (noce_init_if_info): New static function, broken out of
6499 noce_process_if_block.
6500 (noce_process_if_block): Call noce_init_if_info.
6501 (check_cond_move_block): New static function.
6502 (cond_move_process_if_block): New static function.
6503 (process_if_block): Call cond_move_process_if_block.
6505 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
6507 * cselib.c (hash_table): Rename to cselib_hash_table.
6508 (cselib_clear_table, discard_useless_values,
6509 remove_useless_values, cselib_lookup_mem, cselib_lookup,
6510 cselib_init, cselib_finish): Adjust uses of hash_table.
6512 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
6514 PR tree-optimization/25485
6515 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
6516 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
6517 is known to be false and true, respectively.
6519 2006-01-14 Richard Guenther <rguenther@suse.de>
6521 PR tree-optimization/22548
6522 PR tree-optimization/22555
6523 PR tree-optimization/22501
6524 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
6525 * params.def (salias-max-array-elements): New parameter.
6526 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
6527 * doc/invoke.texi (salias-max-array-elements): Document.
6528 * tree-flow-inline.h (var_can_have_subvars): We also handle
6530 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
6532 * tree-ssa-structalias.c (params.h): Include.
6533 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
6534 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
6535 (get_constraint_for): For ADDR_EXPR operating on something
6536 containing an ARRAY_REF, add all subvars to the solution.
6537 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
6538 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
6539 for creating MUST_DEFs.
6540 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
6542 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
6544 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
6546 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
6547 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6548 number_of_iterations_le): New functions.
6549 (number_of_iterations_special): Removed.
6550 (number_of_iterations_exit): Do not use number_of_iterations_special.
6551 * tree.c (unsigned_type_for): Always return integer type.
6553 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
6554 Richard Guenther <rguenther@suse.de>
6556 PR rtl-optimization/24257
6557 * gcse.c (find_moveable_store): Only consider a store movable
6558 when the SET_SRC of the insn can be assigned to a register.
6560 2006-01-14 Ian Lance Taylor <ian@airs.com>
6562 * tree.c (tree_not_class_check_failed): New function.
6563 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
6564 (tree_not_class_check_failed): Declare.
6566 2006-01-13 Ian Lance Taylor <ian@airs.com>
6568 * reload1.c (do_output_reload): Add assertion rejecting a
6571 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
6573 * combine.c (struct reg_stat): Add new fields truncation_label and
6575 (record_value_for_reg): Reset truncated_to_mode.
6576 (record_truncated_value): New function.
6577 (check_promoted_subreg): Call it. Rename to check_conversions.
6578 (combine_instructions): Rename check_promoted_subreg to
6580 (reg_truncated_to_mode): New function.
6581 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
6582 (gen_lowpart_or_truncate): New function.
6583 (force_to_mode): Use it instead of gen_lowpart.
6585 2006-01-13 Diego Novillo <dnovillo@redhat.com>
6587 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
6588 VAR is a tag, not its type tag.
6590 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
6592 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
6593 alternatives to match style of other entries.
6594 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
6596 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
6598 PR tree-optimization/25771
6599 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
6602 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
6605 * tree-inline.c (declare_return_variable): If the return variable
6606 was marked as a non gimple complex, set the return slot variable
6607 to be a non gimple comple variable.
6609 2006-01-13 Richard Guenther <rguenther@suse.de>
6611 * builtins.c (expand_builtin_sincos): New function.
6612 (expand_builtin_mathfn_3): Remove dead code, sin and cos
6614 (expand_builtin): Expand sincos using expand_builtin_sincos.
6616 2006-01-12 DJ Delorie <dj@redhat.com>
6618 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
6619 shift counts, separate SI shifts for m32c vs m16c, pass shift type
6620 so that constant shifts can be split.
6621 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
6622 (m32c_valid_pointer_mode): Make static.
6623 (shift_gen_func_for): New.
6624 (m32c_prepare_shift): Use it. Split large const shifts into
6626 * config/m32c/predicates.md (shiftcount_operand): Allow more
6628 (longshiftcount_operand): New.
6629 * doc/md.texi (Machine Constraints): Document In6.
6631 2006-01-13 Ben Elliston <bje@au.ibm.com>
6633 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
6634 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
6637 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
6639 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
6640 to try to avoid clobbering pieces of structures when we know
6641 something about the whole structure.
6642 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
6644 2006-01-13 Ben Elliston <bje@au.ibm.com>
6646 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
6647 return in memory, as this is no limitation is no longer present.
6649 2006-01-12 DJ Delorie <dj@redhat.com>
6651 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
6652 mova with fb, and for fb+0 -> An.
6654 * config/m32c/mov.md (peephole2): Fix enabling logic.
6656 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
6657 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
6658 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
6659 FINI_ARRAY_SECTION_ASM_OP): Define.
6661 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
6663 (m32c_legitimize_reload_address): New logic to reload FB to An.
6664 (m32c_output_reg_push): Add newline.
6665 (m32c_output_reg_pop): Likewise.
6667 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
6669 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
6671 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
6673 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6675 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6677 * config/sh/predicates.md (sh_rep_vec): Add parallel to
6680 2006-01-11 Ben Elliston <bje@au.ibm.com>
6682 * rtlanal.c (find_reg_note): Assert insn is not null.
6684 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6686 * df-scan.c (df_hard_reg_init): Move declaration of i outside
6689 2006-01-11 Jeff Law <law@redhat.com>
6691 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
6693 (mark_threaded_blocks, register_jump_thread): New functions.
6694 (thread_through_all_blocks): Remove unwanted argument. No
6695 longer rely on e->aux to communicate thread target info.
6696 Call mark_threaded_blocks. Release the threaded_blocks
6697 bitmap and threaded_edges vector when complete.
6698 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
6699 (threaded_blocks): Remove.
6700 (tree_ssa_dominator_optimize): Remove initialization and
6701 finalization of threaded_blocks. Simplify call to
6702 thread_through_all_blocks.
6703 (thread_across_edge): Call register_jump_thread rather than
6704 storing thread information into e->aux.
6705 (free_all_edge_infos): Simplify now that e->aux is no longer
6706 used to communicate with thread_through_all_blocks.
6707 * tree-flow.h (thread_through_all_blocks): Update prototype.
6708 (register_jump_thread): Prototype.
6710 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6712 * df-core.c (df_compact_blocks, df_bb_replace): Use
6713 SET_BASIC_BLOCK instead of BASIC_BLOCK.
6715 2006-01-11 Richard Guenther <rguenther@suse.de>
6717 PR tree-optimization/25734
6718 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
6719 stop propagation after successful propagation to the LHS.
6721 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6723 * basic-block.h (control_flow_graph): Change the type of
6724 x_basic_block_info to VEC(basic_block,gc) *.
6725 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
6727 (SET_BASIC_BLOCK): New.
6728 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
6729 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
6730 * cfgbuild.c (find_basic_blocks): Likewise.
6731 * cfglayout.c (fixup_reorder_chain): Likewise.
6732 * cfgrtl.c (create_basic_block_structure,
6733 rtl_create_basic_block): Likewise.
6734 * ifcvt.c (find_if_case_1): Likewise.
6735 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
6738 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6740 * Makefile.in: Removed rotted odf.c entry.
6742 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
6745 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
6746 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
6747 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
6748 output pattern modifier, not %e.
6749 * config/cris/cris.c (cris_op_str): Update comment about pattern
6751 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
6752 before falling through into...
6753 <case 'E'>: Redefined from old 'e' case.
6755 2006-01-11 Jan Hubicka <jh@suse.cz>
6758 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
6760 2006-01-11 Jan Hubicka <jh@suse.cz>
6762 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
6763 * i386.c (x86_decompose_lea): Kill.
6764 (ix86_rtx_costs): Kill.
6766 2006-01-11 Jan Hubicka <jh@suse.cz>
6768 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
6769 * cgraph.h (cgraph_node): Add inline_decl.
6770 (cgraph_insert_node_to_hashtable): Declare.
6771 (save_inline_function_body): Declare.
6772 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6774 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6775 (cgraph_function_versioning): Update call of tree_function_versioning.
6776 (save_inline_function_body): New function.
6777 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6778 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6779 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6780 (cgraph_default_inline_p): Likewise.
6781 (cgraph_decide_inlining_incrementally): Likewise.
6782 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6783 (copy_bb): Kill saving; do updating of clones.
6784 (copy_cfg_body): Kill saving.
6785 (initialize_inlined-parameters): Likewise.
6786 (expand_call_inline): Likewise.
6788 (tree_function_versioning): New parameter "update_clones".
6789 (inlining_p): Kill saving.
6790 * tree-inline.h (tree_function_versioning): Update prototype.
6791 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6794 2006-01-11 Ian Lance Taylor <ian@airs.com>
6796 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6797 Allow undoing set of machine mode.
6798 (do_SUBST): Use enums instead of is_int.
6799 (do_SUBST_MODE): New function.
6800 (SUBST_MODE): New macro.
6801 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6802 reg and trying to replace reg_regno_rtx with a new register.
6803 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6804 (simplify_set): Use SUBST_MODE.
6805 (distribute_notes): Remove code that tried to update reg notes
6806 for regno_reg_rtx changes.
6808 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6810 PR tree-optimization/23109
6811 PR tree-optimization/23948
6812 PR tree-optimization/24123
6814 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6815 * tree-cfg.c (single_noncomplex_succ): New.
6816 * tree-flow.h (single_noncomplex_succ): Declare it.
6817 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6818 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6819 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6820 insert_bb, register_division_in, insert_reciprocals,
6821 replace_reciprocal, free_bb): New.
6822 (execute_cse_reciprocals_1): Rewritten.
6823 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6824 Do not commit any edge insertion. Always compute dominators and
6825 create the allocation pool.
6826 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6827 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6828 * targhooks.c (default_min_divistions_for_recip_mul): New.
6829 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6830 * passes.c (init_optimization_passes): Run recip after tree loop
6832 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6834 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6835 Kenneth Zadeck <zadeck@naturalbridge.com>
6837 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6838 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6839 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6840 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6841 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6842 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6843 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6844 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6845 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6846 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6847 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6848 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6849 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6850 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6851 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6852 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6853 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6854 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6855 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
6856 DF_SCAN_POST_ALLOC): New macros.
6857 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
6858 df_free_bb_function, df_local_compute_function, df_init_function,
6859 df_dataflow_function, df_confluence_function_0,
6860 df_confluence_function_n, df_transfer_function,
6861 df_finalizer_function, df_free_function, df_dump_problem_function,
6862 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
6863 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6864 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6865 df_urec_bb_info, ) New types.
6866 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6868 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6869 df_analyze_simple_change_some_blocks,
6870 df_analyze_simple_change_one_block, df_compact_blocks,
6871 df_bb_replace, df_bb_regno_last_use_find,
6872 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6873 df_insn_regno_def_p, df_find_def, df_find_use,
6874 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6875 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6876 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6877 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6878 debug_df_chain, df_get_dependent_problem, df_chain_create,
6879 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6880 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6881 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6882 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6883 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6884 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6885 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6886 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6887 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6888 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6889 df_reorganize_refs, df_set_state, df_hard_reg_init,
6890 df_read_modify_subreg_p) New public functions.
6891 * df-core.c: The core dataflow solver and glue routines for rtl
6893 (df_init, df_add_problem, df_set_blocks, df_finish,
6894 df_hybrid_search_forward, df_hybrid_search_backward,
6895 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6896 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6897 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6898 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6899 df_reg_defined, df_find_use, df_reg_used, df_dump,
6900 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6901 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6902 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6903 debug_df_useno, reset_df_after_reload): New functions.
6904 * df-scan.c: The scanning fuctions, once in df.c, completely
6905 rewritten so that they now fully model the functionality of
6906 register usage at the backend.
6907 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6908 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6909 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6910 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6911 df_get_artificial_defs, df_get_artificial_uses,
6912 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6913 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6914 df_refs_delete, df_reorganize_refs, df_set_state,
6915 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6916 df_def_record_1, df_defs_record, df_uses_record,
6917 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6918 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6919 df_record_exit_block_uses, df_hard_reg_init): New functions.
6921 * df-problems.c: Seven concrete dataflow problems that use the
6922 scanning in df-scan.c and are solved by the engine in df-core.c.
6923 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6924 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6925 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6926 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6927 df_ru_free_bb_info, df_ru_alloc,
6928 df_ru_bb_local_compute_process_def,
6929 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6930 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6931 df_ru_transfer_function, df_ru_free, df_ru_dump,
6932 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6933 df_rd_free_bb_info, df_rd_alloc,
6934 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6935 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6936 df_rd_transfer_function, df_rd_free, df_rd_dump,
6937 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6938 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6939 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6940 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6941 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6942 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6943 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6944 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6945 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6946 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6947 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6948 df_urec_mark_reg_use_for_earlyclobber,
6949 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6950 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6951 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6952 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6953 df_chain_create_bb_process_use, df_chain_create_bb,
6954 df_chain_finalize, df_chain_free, df_chains_dump,
6955 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6956 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6957 df_reg_lifetime): New functions.
6958 * df.c: Deleted file.
6959 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6960 consistent with new df api.
6961 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6962 rest_of_handle_sms): Ditto.
6963 * web.c (unionfind_union, union_defs, entry_register, web_main):
6965 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6966 invariant_expr_equal_p, find_defs, check_dependencies,
6967 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6968 free_inv_motion_data, move_loop_invariants): Ditto.
6969 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6970 Update dependencies.
6971 (odf.c): Added defective entry that was deleted later in day.
6972 * sched-deps.c (sched_analyze_1): Ditto.
6974 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6976 * tree-ssa-operands.c (get_expr_operands): Record addressable
6977 variables directly. Do not call add_stmt_operands for CONST_DECLs
6979 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6980 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6982 2006-01-11 Ben Elliston <bje@au.ibm.com>
6984 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6985 function returns true in the positive case.
6987 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6990 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6991 for SI, DI, SF and DF modes. Add alternatives to copy between
6992 general and floating point registers to the 32-bit patterns.
6993 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6994 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6995 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6996 generating 64-bit code.
6997 * config/pa/pa.c (output_move_double): Handle copies between general
6998 and floating registers.
7000 2006-01-10 Stuart Hastings <stuart@apple.com>
7002 * config/i386/i386.md (set_got): Update.
7003 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
7004 (builtin_setjmp_receiver): Mach-O support.
7005 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
7006 (GOT_SYMBOL_NAME): Define.
7007 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
7008 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
7009 * config/i386/i386.c (override_options): Revise for Darwin.
7010 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
7011 support. (darwin_x86_file_end): New. (output_set_got): Add label
7012 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
7013 * config/i386/i386-protos.h (output_set_got): Likewise.
7014 * config/darwin.c (machopic_legitimize_pic_address): Update
7017 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
7019 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
7020 when MODE isn't BLKmode.
7022 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7024 PR rtl-optimization/25367
7025 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
7027 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
7030 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
7031 for a negative bound.
7033 2006-01-10 Richard Guenther <rguenther@suse.de>
7035 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7036 Never override with anything constraint.
7038 2006-01-10 Jan Beulich <jbeulich@novell.com>
7040 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
7041 256 bits when optimize_size.
7043 2006-01-10 Jan Beulich <jbeulich@novell.com>
7045 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
7047 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
7048 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
7051 2006-01-10 Ben Elliston <bje@au.ibm.com>
7053 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
7055 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
7056 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7057 (USE_FP_FOR_ARG): Reject decimal float modes.
7058 (function_arg_advance): Likewise.
7059 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
7060 (rs6000_handle_altivec_attribute): Do not permit decimal floating
7061 point types in AltiVec vectors.
7062 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
7063 (rs6000_libcall_value): Likewise.
7065 2006-01-09 Bob Wilson <bob.wilson@acm.org>
7067 * config/xtensa/ieee754-df.S: New file.
7068 * config/xtensa/ieee754-sf.S: New file.
7069 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
7070 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
7071 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
7073 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
7075 * config/sh/predicates.md (binary_float_operator,
7076 binary_logical_operator, commutative_float_operator,
7077 equality_comparison_operator, greater_comparison_operator,
7078 less_comparison_operator, logical_operator,
7079 noncommutative_float_operator, shift_operator,
7080 symbol_ref_operand, unary_float_operator): Remove redundant
7083 2006-01-09 Jeff Law <law@redhat.com>
7085 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
7086 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
7087 now unused arguments. Callers updated.
7088 (eliminate_redundant_computations): Remove now unused arguments,
7090 (local_fold): Remove, no longer used.
7091 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
7093 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
7094 (simplify_cond): New function.
7095 (forward_propagate_into_cond): Call simplify_cond.
7097 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
7099 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
7100 (*vec_extractv2di_1_sse): New.
7102 2006-01-09 Ben Elliston <bje@au.ibm.com>
7104 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
7106 2006-01-08 Richard Guenther <rguenther@suse.de>
7108 * tree-ssa-structalias.c (get_constraint_for): Remove
7110 (get_constraint_for_component_ref): Likewise.
7111 (do_deref): Likewise.
7112 (get_constraint_for): Likewise.
7113 (do_structure_copy): Likewise.
7114 (handle_ptr_arith): Likewise.
7115 (find_func_aliases): Likewise. Remove unused need_anyoffset
7118 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
7119 Kaz Kojima <kkojima@gcc.gnu.org>
7121 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
7122 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
7123 (EXTRA_CONSTRAINT_C16): Remove.
7124 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
7125 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
7126 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
7127 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
7128 constants of SHmedia. Handle nested constant expressions of
7130 (andcosts): Fix the costs for SHmedia constants.
7131 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
7132 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
7133 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
7134 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
7135 (movv4hi_i, movv2si_i): Likewise.
7136 (movsi_const): Adjust the second operand of ior so to match with
7138 (movdi_const, movdi_const_32bit): Likewise.
7139 (movdi_const_16bit+1): Don't sign-extend LOW.
7140 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
7142 (*double_shori): Fix the split condition. Use GEN_INT instead
7143 of get_int_mode calls. Mask lower 16-bit of the argument of
7145 (sym2GOTPLT): Remove.
7146 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
7148 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
7149 instead of EXTRA_CONSTRAINT_C16.
7151 2006-01-07 Ian Lance Taylor <ian@airs.com>
7152 David Edelsohn <edelsohn@gnu.org>
7154 PR rtl-optimization/25662
7155 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
7156 for constant operands instead of simplify_gen_binary.
7157 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
7158 after trying simplify_binary_operation
7160 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
7162 * tree.c (iterative_hash_expr): Hash decls based on UID.
7164 2006-01-06 Eric Christopher <echristo@apple.com>
7166 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
7167 (TARGET_UNWIND_EMIT): Fix spelling.
7168 * target.h (gcc_target): Add except_table_label.
7169 * except.c (output_function_exception_table): Use.
7170 * varasm.c (default_emit_except_table_label): New.
7171 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
7173 (asm_out): Add here.
7174 * output.h (default_emit_except_table_label): Prototype.
7175 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
7176 * config/darwin.c (darwin_emit_except_table_label): Define.
7177 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
7179 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
7181 PR tree-optimization/18527
7182 * tree-ssa-loop-niter.c (number_of_iterations_cond,
7183 number_of_iterations_special, number_of_iterations_exit):
7184 Move base and step of an iv to a single structure. Add
7185 no_overflow flag, and use it in # of iterations analysis.
7186 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
7187 folded_casts argument.
7188 (simple_iv): Pass base and step in a structure. Set no_overflow
7190 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
7191 Evaluate expensiveness of computing # of iterations instead of
7192 the final expression.
7193 * tree-scalar-evolution.h (affine_iv): New structure.
7194 (simple_iv): Declaration changed.
7195 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
7196 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
7197 find_givs_in_stmt): Changed due to simple_iv change.
7199 2006-01-06 Jeff Law <law@redhat.com>
7202 * tree-cfg.c (bsi_replace): Rename final argument from
7203 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
7204 change (stmt -> orig_stmt).
7205 * tree-eh.c (verify_eh_throw_stmt_node): New function.
7206 (bsi_remove): Add new argument. Remove EH information
7208 (verify_eh_throw_table_statements): New function.
7209 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
7211 * tree-optimize.c (execute_free_cfg_annotations): Verify
7212 the EH throw statement table after removing annotations.
7213 * except.h (verify_eh_throw_table_statements): Prototype.
7214 * tree-flow.h (bsi_remove): Update prototype.
7215 * tree-vrp.c (remove_range_assertions): Add new argument to
7217 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
7218 * tree-complex.c (expand_complex_div_wide): Likewise.
7219 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
7220 * tree-tailcall.c (eliminate_tailcall): Likewise.
7221 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
7222 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
7223 * tree-nrv.c (tree_nrv): Likewise.
7224 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
7225 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
7226 (combine_blocks): Likewise.
7227 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
7228 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
7229 (cleanup_control_flow): Likewise.
7230 (remove_forwarder_block): Likewise.
7231 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
7232 * tree-sra.c (sra_replace): Likewise.
7233 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
7234 (forward_propagate_single_use_vars): Likewise.
7235 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
7236 * tree-inline.c (expand_call_inline): Likewise.
7237 * tree-vect-transform.c (vect_transform_loop): Likewise.
7238 * tree-outof-ssa.c (rewrite_trees): Likewise.
7239 * tree-cfg.c (make_goto_expr_edges): Likewise.
7240 (cleanup_dead_labels): Likewise.
7241 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
7242 (bsi_move_before, bsi_move_after): Likewise.
7243 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
7244 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
7246 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
7249 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
7251 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
7252 on non gimple variables. Also add checks at the top for decls and
7254 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
7256 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
7257 and IMAGPART_EXPR for creating MUST_DEFs.
7258 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
7259 and NAME_MEMORY_TAG separately from the DECLs.
7261 2006-01-06 Richard Guenther <rguenther@suse.de>
7263 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
7264 annotation, if necessary.
7265 * tree-ssa-pre.c (create_expression_by_pieces): Remove
7266 redundant calls to update_stmt.
7267 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
7270 2006-01-05 Richard Henderson <rth@redhat.com>
7272 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
7274 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7276 * c-typeck.c: Update copyright date.
7278 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7280 * c-typeck.c (build_c_cast): Always warn when casting
7281 from a pointer to an integer of different size, even if
7282 the node was constant.
7284 2006-01-05 Richard Guenther <rguenther@suse.de>
7286 PR tree-optimization/22555
7287 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
7288 if one structure field is an array.
7289 * tree-ssa-operands.c (get_expr_operands): Continue scanning
7290 operands even if we found a subvar, but ignore VOPs in this
7292 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
7294 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
7296 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
7299 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
7301 2006-01-05 Richard Guenther <rguenther@suse.de>
7302 Diego Novillo <dnovillo@redhat.com>
7304 * tree-pass.h (TODO_remove_unused_locals): Define.
7305 * gimple-low.c (expand_var_p, remove_useless_vars,
7306 pass_remove_useless_vars): Remove. Update all users.
7307 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
7308 (remove_unused_locals): New function.
7309 * tree-flow.h (remove_unused_locals): Declare.
7310 * passes.c (execute_todo): Call remove_unused_locals if
7311 TODO_remove_unused_locals is set.
7312 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
7313 * tree-ssa-dce.c (pass_dce): Likewise.
7314 * tree-outof-ssa.c (pass_del_ssa): Likewise.
7316 2006-01-05 Richard Guenther <rguenther@suse.de>
7318 * tree-flow.h (struct fieldoff): Decompose field to
7319 type, size and decl.
7320 * tree-ssa-alias.c (create_sft): Take type as parameter.
7321 (create_overlap_variables_for): Store type, size and decl
7322 in the fieldoff structure.
7323 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
7325 (push_fields_onto_fieldstack): Likewise.
7326 (create_variable_info_for): Likewise. Use offset for the
7327 SFT name if the decl is not available.
7329 2006-01-04 Paul Brook <paul@codesourcery.com>
7331 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
7333 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
7335 * lambda-code.c (can_put_in_inner_loop): Relax
7337 (can_put_after_inner_loop): New function.
7338 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
7339 (perfect_nestify): Change to make copies and modify uses.
7341 2006-01-04 Richard Henderson <rth@redhat.com>
7343 Merge from gomp branch:
7344 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
7345 via integer constant.
7346 (pragma_lex): Remove.
7347 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
7348 rather than parsing it.
7349 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
7350 handle_pragma_extern_prefix): Add %< %> quotes.
7351 (registered_pragmas): New.
7352 (c_register_pragma_1): New.
7353 (c_register_pragma): Use it.
7354 (c_register_pragma_with_expansion): Likewise.
7355 (c_invoke_pragma_handler): New.
7356 (init_pragma): Use cpp_register_deferred_pragma directly for
7358 * c-pragma.h (enum pragma_kind): New.
7359 (pragma_handler): New.
7360 (c_invoke_pragma_handler): Declare.
7361 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
7363 * c-common.h (c_common_pch_pragma): Update decl.
7364 * Makefile.in (c-parser.o): Update dependencies.
7365 (GTFILES): Add c-pragma.h.
7366 * c-parser.c (struct c_token): Add pragma_kind.
7367 (struct c_parser): Add in_pragma.
7368 (c_lex_one_token): Always initialize keyword and pragma_kind.
7369 Extract data for CPP_PRAGMA.
7370 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
7371 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
7372 Don't allow CPP_PRAGMA_EOL if in_pragma.
7373 (c_parser_consume_pragma): New.
7374 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
7375 (c_parser_skip_to_end_of_parameter): Likewise.
7376 (c_parser_skip_to_end_of_block_or_statement): Likewise.
7377 (c_parser_skip_to_pragma_eol): New.
7378 (c_parser_external_declaration): Handle CPP_PRAGMA.
7379 (c_parser_compound_statement_nostart): Likewise.
7380 (c_parser_statement_after_labels): Likewise.
7381 (c_parser_pragma): New.
7382 (pragma_lex): Likewise.
7383 (c_parser_pragma_pch_preprocess): New.
7384 (c_parser_new): Merge into ...
7385 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
7387 2006-01-04 Jeff Law <law@redhat.com>
7390 * tree-cfg.c (bsi_replace): Remove the original statement
7391 from the EH throw statement table.
7393 2006-01-04 Jakub Jelinek <jakub@redhat.com>
7395 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
7396 make the prototype extern "C" and add throw ().
7399 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
7400 and pos non-negative and pos + len <= 32.
7401 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
7402 drop pos + len < HOST_BITS_PER_WIDE_INT test.
7403 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
7406 * c-common.c (handle_vector_size_attribute): Reject zero vector size
7407 as well as sizes not multiple of component size.
7410 * function.c (instantiate_expr): New function.
7411 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
7412 walk its DECL_VALUE_EXPR with instantiate_expr.
7414 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
7415 DW_OP_deref{,_size} if address isn't going to be added.
7417 2006-01-04 Ben Elliston <bje@au.ibm.com>
7419 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
7420 * config/fp-bit.c: Likewise.
7422 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
7424 * dominance.c: Add comment about why we use DFS numbering
7427 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7428 Richard Henderson <rth@redhat.com>
7430 Merge from gomp-branch:
7431 * varasm.c (assemble_variable): Handle thread-local COMMON data.
7432 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
7434 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
7436 PR rtl-optimization/25578
7437 * combine.c (combine_simplify_rtx, force_to_mode): Don't
7438 pass a parameter to simplify_shift_const if changing ASHIFTRT
7441 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
7443 * builtins.c (get_builtin_sync_mem): New function.
7444 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
7445 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
7446 Call get_builtin_sync_mem to generate mem rtx.
7448 2006-01-03 Richard Guenther <rguenther@suse.de>
7451 * stmt.c (add_case_node): Make sure to clear overflow flags
7454 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7456 Merge from gomp-branch.
7457 * config/sparc/sync.md: New file.
7458 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
7459 UNSPECV_LDSTUB): New constants.
7460 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
7461 * config/sparc/predicates.md (memory_reg_operand): New predicate.
7462 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
7465 2006-01-03 Roger Sayle <roger@eyesopen.com>
7467 * combine.c (reg_subword_p): New predicate to test whether the
7468 destination of a set refers to a subword/piece of a register.
7469 (try_combine): Generalize the code to merge the setting of a
7470 pseudo to a constant followed by a set of a subword of that
7471 register to a constant.
7473 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
7475 * basic-block.h (control_flow_graph): Change the type of
7476 x_label_to_block_map to VEC(basic_block,gc) *.
7477 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
7478 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
7480 * tree-ssa-propagate.c (cfg_blocks): Change the type to
7481 VEC(basic_block,heap) *.
7482 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
7483 ssa_prop_fini): Adjust the uses of cfg_blocks.
7485 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
7487 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
7489 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
7490 hashing trees instead of a pointer hash.
7491 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
7492 compare for MEM_EXPR.
7494 PR rtl-optimization/25130
7495 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
7496 when comparing MEMs for GCSE
7498 2006-01-03 Ben Elliston <bje@au.ibm.com>
7500 * targhooks.h (default_decimal_float_supported_p): Declare.
7501 * targhooks.c (default_decimal_float_supported_p): Define.
7502 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
7503 `default_decimal_float_supported_p'.
7504 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
7506 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
7508 * combine.c (apply_distributive_law <SUBREG>): Check
7509 TRULY_NOOP_TRUNCATION.
7511 2006-01-02 Geoffrey Keating <geoffk@apple.com>
7513 * dwarf2out.c (have_switched_text_section): Delete.
7514 (have_multiple_function_sections): New.
7515 (have_location_lists): Make 'bool'.
7516 (add_AT_loc_list): Use 'true' not '1'.
7517 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
7518 (output_loc_list): Use have_multiple_function_sections.
7519 (output_ranges): Likewise.
7520 (dwarf2out_begin_function): Set have_multiple_function_sections if
7522 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
7523 Check function_section rather than DECL_SECTION_NAME.
7524 (dwarf2out_finish): Use have_multiple_function_sections.
7525 Don't clear have_location_lists.
7527 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
7528 Jan Hubicka <jh@suse.cz>
7530 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
7531 case of conditional jump jumping to the next instruction.
7532 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
7533 cases of conditional jump jumping to the next instruction.
7535 2006-01-02 Jan Hubicka <jh@suse.cz>
7537 * i386.c (*_cost): Add COSTS_N_INSNS.
7538 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
7540 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
7543 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
7545 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7547 * config/arm/arm.c (all_fpus): Fix comment typo.
7548 * config/darwin.c: Likewise.
7549 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
7550 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
7551 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
7553 2006-01-01 David Edelsohn <edelsohn@gnu.org>
7555 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
7556 (rs6000_split_compare_and_swapqhi): New.
7557 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
7558 (sync_compare_and_swapqhi_internal): New.
7559 * config/rs6000/rs6000-protos.h: Declare.