| blob | 3dac824d2d9da68ffc8b3590209142d1b50b503e |
1 2006-03-16 Roger Sayle <roger@eyesopen.com>
3 PR middle-end/21781
4 * real.c (real_from_string): If the mantissa is zero, don't bother
5 parsing the exponent as the result should always be zero.
7 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
11 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13 * config/ia64/ia64.c (stops_p): Added explicit initialization.
14 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
16 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
17 ia64_sched_finish_global): New static functions to implement
18 hooks from gcc_target.sched.
19 (spec_check_no, max_uid, pending_data_specs): New static variables.
20 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
21 ia64_spec_check_src_p): New static functions.
22 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
23 (TARGET_SCHED_ADJUST_COST): Removed.
24 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
25 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
26 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
27 TARGET_SCHED_GEN_CHECK,
28 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
29 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
30 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
31 Fixed to handle speculation checks.
32 (rtx_needs_barrier): Fixed to handle speculative loads and
33 their checks.
34 (ia64_variable_issue): Added code to count speculative loads and their
35 checks.
36 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
37 speculative loads.
38 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
39 New enumerations.
40 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
41 New constants.
42 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
43 (ia64_reorg): Reset stops_p to NULL after it is freed.
44 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
45 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
46 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
47 chk_a.
48 (data_speculative, control_speculative, check_load): New attributes.
49 (mov<mode>_advanced, mov<mode>_speculative,
50 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
51 zero_extend<mode>di2_speculative,
52 zero_extend<mode>di2_speculative_advanced): New patterns for
53 data and control speculative loads.
54 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
55 check loads.
56 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
57 New pattern for data and control speculation checks.
58 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
59 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
60 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
61 Auxiliary definitions for the patterns.
62 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
63 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
64 constraints.
65 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
66 for speculation.
67 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
68 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
69 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
70 New resource constraints.
71 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
72 for speculation.
73 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
74 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
75 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
76 msched-in-control-spec, msched-ldc, msched-control-ldc,
77 msched-spec-verbose, msched-prefer-non-data-spec-insns,
78 msched-prefer-non-control-spec-insns,
79 msched-count-spec-in-critical-path): New flags to tune speculative
80 scheduling.
81 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
82 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
83 msched-in-control-spec, msched-ldc, msched-control-ldc,
84 msched-spec-verbose, msched-prefer-non-data-spec-insns,
85 msched-prefer-non-control-spec-insns,
86 msched-count-spec-in-critical-path): Document new flags.
88 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
90 * target.h (struct spec_info_def): New opaque declaration.
91 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
92 speculate_insn, needs_block_p, gen_check,
93 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
94 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
95 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
96 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
97 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
98 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
99 gcc_target.sched.
100 (TARGET_SCHED): Use new macros.
101 * rtl.h (copy_DEPS_LIST_list): New prototype.
102 * sched-int.h (struct sched_info): Change signature of new_ready field,
103 adjust all initializations. New fields: add_remove_insn,
104 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
105 region_head_or_leaf_p.
106 (struct spec_info_def): New structure declaration.
107 (spec_info_t): New typedef.
108 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
109 recovery_block, orig_pat.
110 (glat_start, glat_end): New variables declaraions.
111 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
112 New access macros.
113 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
114 DETACH_LIFE_INFO, USE_GLAT.
115 (enum SPEC_SCHED_FLAGS): New enumeration.
116 (NOTE_NOTE_BB_P): New macro.
117 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
118 attach_life_info, debug_spec_status, check_reg_live): New functions.
119 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
120 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
121 sched-ebb.c
122 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
123 * ddg.c (get_block_head_tail): Adjust all uses.
124 * modulo-sched.c (get_block_head_tail): Adjust all uses.
125 (sms_sched_info): Initialize new fields.
126 (contributes_to_priority): Removed.
127 * haifa-sched.c (params.h): New include.
128 (get_block_head_tail): Adjust all uses.
129 (ISSUE_POINTS): New macro.
130 (glat_start, glat_end): New global variables.
131 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
132 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
133 old_last_basic_block, before_recovery, current_sched_info_var,
134 rgn_n_insns, luid): New static variables.
135 (insn_cost1): New function. Move logic from insn_cost to here.
136 (find_insn_reg_weight1): New function. Move logic from
137 find_insn_reg_weight to here.
138 (reemit_notes, move_insn, max_issue): Change signature.
139 (move_insn1): Removed.
140 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
141 extend_bb): New static functions to support extension of scheduler's
142 data structures.
143 (generate_recovery_code, process_insn_depend_be_in_spec,
144 begin_speculative_block, add_to_speculative_block,
145 init_before_recovery, create_recovery_block, create_check_block_twin,
146 fix_recovery_deps): New static functions to support
147 generation of recovery code.
148 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
149 restore_bb_notes, move_block_after_check, move_succs): New static
150 functions to support ebb scheduling.
151 (init_glat, init_glat1, attach_life_info1, free_glat): New static
152 functions to support handling of register live information.
153 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
154 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
155 add_jump_dependencies): New static functions.
156 (check_cfg, has_edge_p, check_sched_flags): New static functions for
157 consistancy checking.
158 (debug_spec_status): New function to call from debugger.
159 (priority): Added code to handle speculation checks.
160 (rank_for_schedule): Added code to distinguish speculative instructions.
161 (schedule_insn): Added code to handle speculation checks.
162 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
163 Fixed to handle ebbs.
164 (move_insn): Added code to handle ebb scheduling.
165 (max_issue): Added code to use ISSUE_POINTS of instructions.
166 (choose_ready): Added code to choose between speculative and
167 non-speculative instructions.
168 (schedule_block): Added code to handle ebb scheduling and scheduling of
169 speculative instructions.
170 (sched_init): Initialize new variables.
171 (sched_finish): Free new variables. Print statistics.
172 (try_ready): Added code to handle speculative instructions.
173 * lists.c (copy_DEPS_LIST_list): New function.
174 * sched-deps.c (extend_dependency_caches): New function. Move logic
175 from create_dependency_caches to here.
176 (get_dep_weak, ds_merge): Make global.
177 * genattr.c (main): Code to output prototype for
178 dfa_clear_single_insn_cache.
179 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
180 (output_dfa_clean_insn_cache_func): Code to output
181 dfa_clear_single_insn_cache function.
182 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
183 n_insns.
184 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
185 Removed.
186 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
187 New static variables.
188 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
189 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
190 struct sched_info.
191 (ebb_sched_info): Initialize new fields.
192 (get_block_head_tail): Adjust all uses.
193 (compute_jump_reg_dependencies): Fixed to use glat_start.
194 (schedule_ebb): Code to remove unreachable last block.
195 (schedule_ebbs): Added code to update register live information.
196 * sched-rgn.c (region_sched_info): Initialize new fields.
197 (get_block_head_tail): Adjust all uses.
198 (last_was_jump): Removed. Adjust users.
199 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
200 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
201 Implement new hooks.
202 (check_dead_notes1): New static function.
203 (struct region): New fields: dont_calc_deps, has_real_ebb.
204 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
205 (BB_TO_BLOCK): Fixed to handle EBBs.
206 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
207 (ebb_head): New static variable.
208 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
209 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
210 new fields.
211 (compute_dom_prob_ps): New assertion.
212 (check_live_1, update_live_1): Fixed to work with glat_start instead of
213 global_live_at_start.
214 (init_ready_list): New assertions.
215 (can_schedule_ready_p): Split update code to begin_schedule_ready.
216 (new_ready): Add support for BEGIN_CONTROL speculation.
217 (schedule_insns): Fixed code that updates register live information
218 to handle EBBs.
219 (schedule_region): Fixed to handle EBBs.
220 (init_regions): Use extend_regions and check_dead_notes1.
221 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
222 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
223 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
224 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
225 TARGET_SCHED_GEN_CHECK,
226 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
227 TARGET_SCHED_SET_SCHED_FLAGS): Document.
228 * doc/invoke.texi (max-sched-insn-conflict-delay,
229 sched-spec-prob-cutoff): Document.
231 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
233 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
234 inter_tick, queue_index.
235 (struct sched_info): Change signature of init_ready_list field.
236 Adjust all initializations.
237 (RESOLVED_DEPS): New access macro.
238 (ready_add): Remove prototype.
239 (try_ready): Add prototype.
240 * sched-rgn.c (init_ready_list): Use try_ready.
241 (schedule_region): Initialize
242 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
243 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
244 (init_ready_list): Use try_ready.
245 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
246 * lists.c (remove_list_elem): Remove `static'.
247 (remove_free_INSN_LIST_elem): New function.
248 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
249 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
250 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
251 New constants.
252 (readyp): New variable.
253 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
254 change_queue_index, resolve_dep): New static functions.
255 (try_ready): New function. Adjust callers in sched-rgn.c and
256 sched-ebb.c to use it instead of ready_add.
257 (clock_var): Move at the begining of file.
258 (rank_for_schedule): Fix typo.
259 (queue_insn): Add assertion. Handle QUEUE_INDEX.
260 (ready_lastpos): Enforce assertion.
261 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
262 update all callers.
263 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
264 (schedule_insn): Rewrite to use try_ready and resolve_dep.
265 (queue_to_ready): Use free_INSN_LIST_list.
266 (early_queue_to_ready): Fix typo.
267 (schedule_block): Init readyp. Move init_ready_list call after the
268 initialization of clock_var. Fix error in rejecting insn by
269 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
270 that previously corrected INSN_TICKs. Add code for handling
271 QUEUE_INDEX.
272 (set_priorities): Fix typo.
273 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
274 Clarify comment and code that keeps current_sched_info->next_tail
275 non-null.
277 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
279 * sched-rgn.c (extend_rgns): New static function.
280 (find_rgns): Use it.
281 (gather_region_statistics, print_region_statistics): New static
282 functions.
283 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
284 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
286 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
287 Andrey Belevantsev <abel@ispras.ru>
289 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
290 * lists.c (unused_deps_list): New variable.
291 (free_list): Add assertions to verify the proper distinguishing
292 between INSN_LISTs and DEPS_LISTs.
293 (find_list_elem, remove_list_elem, remove_list_node): New static
294 functions.
295 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
296 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
297 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
298 (alloc_INSN_LIST): Assert that the list we're working on is indeed
299 an INSN_LIST.
300 (free_INSN_LIST_node): Likewise.
301 * modulo-sched.c (current_sched_info): Initialize flags field.
302 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
303 * rtl.def (DEPS_LIST): Define.
304 * rtl.h: Declare new functions from lists.c.
305 * sched-deps.c (spec_dependency_cache): New static variable.
306 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
307 (add_dependence): Change return type to void. Move the logic to ...
308 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
309 (delete_all_dependences): Add comment about forward_dependency_cache.
310 Handle spec_dependency_cache. Handle DEPS_LISTs.
311 (fixup_sched_groups): Clarify the change of priority of output
312 and anti dependencies.
313 (sched_analyze_2): Adjust add_dependence calls to create data
314 speculative dependence.
315 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
316 Adjust all callers. Handle DEPS_LISTS.
317 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
318 presence of speculation.
319 (init_dependency_caches, free_dependency_caches):
320 Handle spec_dependency_cache.
321 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
322 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
323 New static functions.
324 (add_or_update_back_dep, add_or_update_back_forw_dep,
325 add_back_forw_dep, delete_back_forw_dep): New functions.
326 * sched-int.h (ds_t, dw_t): New typedefs.
327 (struct sched_info): Add new field flags.
328 (struct haifa_insn_data): Add new bitfield has_internal_dep.
329 Prototype new sched-deps.c functions.
330 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
331 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
332 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
333 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
334 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
335 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
336 New constants.
337 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
338 New enums.
339 * sched-rgn.c (current_sched_info): Initialize flags field.
340 (schedule_insns): Initialize current_sched_info before the sched_init
341 call.
342 * sched-ebb.c (current_sched_info): Initialize flags field.
343 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
344 Call add_or_update_back_dep instead of add_dependence.
345 Create control speculative dependencies.
346 (schedule_insns): Initialize current_sched_info before the sched_init
347 call.
349 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
351 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
352 fs->signal_frame.
353 (sh_fallback_frame_state): Likewise.
355 2006-03-15 Geoffrey Keating <geoffk@apple.com>
357 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
358 Do switch on default_use_cxa_atexit.
359 (powerpc*-*-darwin*): Build crt2.o on powerpc.
360 * config/darwin-crt3.o: New.
361 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
362 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
363 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
364 OS version.
365 * config/rs6000/t-darwin: Move crt2.o building to here.
366 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
367 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
368 of __cxa_atexit.
370 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
372 * config/vax/vax.c (nonindexed_address_p): Change logical negation
373 from '! xxx' to '!xxx' for coding-style conformance.
374 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
375 (EXTRA_CONSTRAINT): Likewise.
376 * config/vax/vax.md (four unnamed insns): Likewise.
378 2006-03-15 Paul Brook <paul@codesourcery.com>
380 * config/arm/arm.c (minipool_pad): New.
381 (add_minipool_forward_ref): Unclude pool alignment padding in address
382 calculation.
383 (push_minipool_fix): Set minipool_pad.
384 (minipool_pad): Ditto.
386 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
388 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
389 instead of GET_CODE() == MEM and REG_P() instead of
390 GET_CODE() == REG.
391 (print_operand_address): Likewise.
392 (vax_address_cost): Likewise.
393 (vax_rtx_costs): Likewise.
394 (vax_notice_update_cc): Likewise.
395 (vax_output_int_add): Likewise.
396 (INDEX_REGISTER_P): Likewise.
397 (BASE_REGISTER_P): Likewise.
398 (nonindexed_address_p): Likewise.
399 (vax_mode_dependent_address_p): Likewise.
400 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
401 (PRINT_OPERAND): Likewise.
402 * config/vax/vax.md (ashlsi3): Likewise.
403 (ashlsi3): Likewise.
404 (some more unnamed insns): Likewise.
406 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
408 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
409 iterator-style macro.
410 (mark_control_dependent_edges_necessary): Update the use of
411 EXECUTE_IF_CONTROL_DEPENDENT.
413 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
415 * config/sh/predicates.md (cache_address_operand): Special.
416 (ua_address_operand): Likewise.
418 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
420 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
421 loop notes.
422 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
424 2006-03-15 Andreas Schwab <schwab@suse.de>
426 * gensupport.c (identify_predicable_attribute): Don't free p_false
427 when it is still in use.
429 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
431 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
432 the default setting here.
434 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
436 * tree-pass.h (pass_cfg): Remove.
437 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
438 * passes.c (pass_cfg): Don't run it.
440 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
442 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
443 * reg-stack.c (stack_regs_mentioned_data): Change the type to
444 VEC(char,heap) *.
445 (stack_regs_mentioned): Update the uses of
446 stack_regs_mentioned_data. Don't access the array beyond its
447 end.
448 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
449 Don't include gt-reg-stack.h.
451 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
452 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
454 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
456 PR middle-end/26684
457 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
458 STACK_REGS.
460 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
462 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
464 2006-03-14 Richard Guenther <rguenther@suse.de>
466 PR tree-optimization/26672
467 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
468 SSA form.
470 2006-03-14 Richard Guenther <rguenther@suse.de>
472 PR tree-optimization/26667
473 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
474 node for the callees. Always allow inlining if it will shrink
475 the function size.
477 2006-03-14 Richard Guenther <rguenther@suse.de>
479 PR middle-end/26659
480 * builtins.c (get_pointer_alignment): Prefer alignment
481 information from decls over that from types.
483 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
485 PR target/26657
486 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
488 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
490 * config/rs6000/rs6000.opt (mdlmzb): New option.
491 (msched-prolog, msched-epilog): Use Var not Mask.
492 * doc/invoke.texi (-mdlmzb): Document.
493 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
494 MASK_SCHED_PROLOG.
495 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
496 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
498 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
500 PR rtl-optimization/25739
501 * bt-load.c (augment_live_range): Free tos pointer.
503 * gensupport.c (identify_predicable_attribute): Free
504 p_false pointer.
505 * gcov.c (create_file_names): Free name pointer.
507 2006-03-13 Roger Sayle <roger@eyesopen.com>
509 PR middle-end/26557
510 * stmt.c (emit_case_nodes): Handle the case where the index is a
511 CONST_INT, where the comparison mode is specified by the index type.
513 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
515 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
516 is defined.
518 2006-03-13 Richard Sandiford <richard@codesourcery.com>
520 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
521 (*branch_fp_inverted): Likewise.
523 2006-03-13 Jakub Jelinek <jakub@redhat.com>
525 PR middle-end/25989
526 * omp-low.c (expand_omp_for_generic): Mark istart0
527 and iend0 as addressable.
529 2006-03-13 Jie Zhang <jie.zhang@analog.com>
531 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
533 2006-03-13 Jeff Law <law@redhat.com>
535 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
536 virtual operands are interesting.
537 (vrp_visit_stmt): Corresponding changes.
539 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
541 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
542 of RETS.
543 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
544 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
545 * config/bfin/crti.S: Use it instead of __PIC__.
546 * config/bfin/crtn.S: Likewise.
548 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
549 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
550 not if flag_pic.
551 Lose 'G' modifier for call operand.
552 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
553 recognize 'G' modifier.
555 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
557 PR middle-end/18859
558 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
559 * stmt.c (expand_case): Likewise.
561 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
563 PR rtl-optimization/26254
564 * loop-invariant.c (seq_insns_valid_p): New function.
565 (move_invariant_reg): Only emit new code if it is valid.
567 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
569 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
570 Removed.
571 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
572 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
573 (commit_one_edge_insertion): Do not look for loop notes.
575 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
577 * jump.c (follow_jumps): Do not check for loop notes. Move check for
578 flag_test_coverage out of loop.
580 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
582 * final.c (shorten_branches): Remove outdated comment, and turn
583 the if branch that guards it to continue.
585 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
587 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
588 * cfgloop.h (struct loop): Remove unused fields.
590 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
592 * doc/invoke.texi (-fdump-rtl-loop): Remove.
593 (-dL, -fdump-rtl-loop2): Update the dump file names
595 * doc/invoke.texi: Update dump file names.
597 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
599 * predict.c (estimate_probability): Remove.
600 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
601 * basic-block.h (estimate_probability): Remove prototype.
602 * passes.c (finish_optimization_passes): Dump branch prediction or
603 profiling heuristics to the .profile tree dump.
604 (init_optimization_passes): Unqueue pass_branch_prob.
606 * doc/invoke.texi (-fdump-rtl-bp): Remove.
608 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
610 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
611 * rtl.h (LABEL_NEXTREF): Remove field accessor.
613 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
615 * function.h (frame_offset_overflow): Declare.
616 * function.c (frame_offset_overflow): New function.
617 (assign_stack_local_1): Call it to detect that the offset overflows.
618 * cfgexpand.c (alloc_stack_frame_space): Likewise.
620 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
622 * config/sh/sh.c: Include alloc-pool.h.
623 (label_ref_list_pool): New alloc pool.
624 (label_ref_list_t): New type for lists of labels.
625 (struct pool_node): Make wend a label_ref_list_t.
626 (add_constant): Use the new type, eradicate LABEL_NEXTREF
627 references.
628 (dump_table): Likewise.
629 (sh_reorg): Set up the alloc pool before using add_constant and
630 dump_table, and destroy it when finishing.
632 2006-03-11 Richard Sandiford <richard@codesourcery.com>
634 * config/mips/mips.c: Remove redundant comment.
636 2006-03-10 Jason Merrill <jason@redhat.com>
638 PR c/26004
639 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
640 the target was declared 'register'.
642 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
644 * genpreds.c (write_insn_constraint_len): Change definition of
645 insn_constraint_len to return size_t to match the declaration.
647 2006-03-10 DJ Delorie <dj@redhat.com>
649 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
650 start at zero.
651 (m32c_expand_insv): Fix test for an AND mask.
653 2006-03-10 Richard Guenther <rguenther@suse.de>
655 PR middle-end/26565
656 * builtins.c (get_pointer_alignment): Handle component
657 references for field alignment.
659 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
661 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
662 when building with libgloss.
663 (sh*elf): Implement --without-fp option.
664 (sh64-superh-linux*): Don't multilib.
666 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
668 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
670 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
672 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
673 Set it when one of the replacement functions returned true.
674 Return TODO_cleanup_cfg if cfgchanged is true.
675 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
677 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
679 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
680 instead of gen_lowpart.
682 2006-03-09 Richard Sandiford <richard@codesourcery.com>
684 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
685 interface.
686 (mips_output_order_conditional_branch): Declare.
687 * config/mips/mips.h (MIPS_BRANCH): New macro.
688 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
689 for the comparison. Use gen_condjump.
690 (mips_output_conditional_branch): Rework interface to take the
691 asm templates for a direct branch and the inverse of a direct branch.
692 (mips_output_order_conditional_branch): New function.
693 (mips_builtin_branch_and_move): New function.
694 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
695 branch condition. Use gen_single_cc as the condition for
696 __builtin_mips_upper_* or __builtin_mips_lower_*.
697 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
698 Use VOIDmode for the branch condition.
699 * config/mips/predicates.md (order_operator): New predicate.
700 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
701 (branch_fp): Rename to...
702 (*branch_fp): ...this. Remove mode from comparison operator.
703 Use new mips_output_conditional_branch interface.
704 (branch_fp_inverted): Rename to...
705 (*branch_fp_inverted): ...this and update as for *branch_fp.
706 (*branch_zero<mode>): Rename to...
707 (*branch_order<mode>): ...this. Remove mode from comparison operator.
708 Use mips_output_order_conditional_branch. Only accept ordered
709 comparisons.
710 (*branch_zero<mode>_inverted): Rename to...
711 (*branch_order<mode>_inverted): ...this and update as for
712 *branch_order<mode>.
713 (*branch_equality<mode>): Accept zero as the second operand to
714 the equality operator. Use the new mips_output_conditional_branch
715 interface.
716 (*branch_equality<mode>_inverted): Likewise.
717 (condjump): New expander.
718 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
719 operator.
720 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
721 (bc1any2t, bc1any2f): Likewise.
722 (single_cc): New expander.
723 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
725 2006-03-09 Richard Sandiford <richard@codesourcery.com>
727 * doc/md.texi: Update documentation of MIPS constraints.
728 * config/mips/constraints.md: New file.
729 * config/mips/mips.md: Include it.
730 * config/mips/mips.c (mips_char_to_class): Delete.
731 (override_options): Don't initialize mips_char_to_class.
732 * config/mips/mips.h (mips_char_to_class): Delete.
733 (REG_CLASS_FROM_LETTER): Delete.
734 (CONST_OK_FOR_LETTER_P): Delete.
735 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
736 (EXTRA_CONSTRAINT_Y): Delete.
737 (EXTRA_CONSTRAINT_STR): Delete.
738 (CONSTRAINT_LEN): Delete.
739 (EXTRA_MEMORY_CONSTRAINT): Delete.
741 2006-03-09 Diego Novillo <dnovillo@redhat.com>
743 * tree-cfg.c (move_block_to_fn): Remove the statements from the
744 original fn's eh regions.
746 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
748 * fold-const.c (build_range_check): Make sure to use a valid type to
749 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
750 transformation.
752 (range_predecessor): New static function.
753 (range_successor): Likewise.
754 (merge_ranges): Use them to compute predecessors and successors of
755 range bounds.
757 2006-03-09 Roger Sayle <roger@eyesopen.com>
759 PR middle-end/26561
760 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
761 X op C3, consider whether C3 overflows towards +Inf or -Inf.
763 2006-03-08 DJ Delorie <dj@redhat.com>
765 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
766 (addpsi3): Expand to include memory operands. Remove
767 reload-specific splits.
768 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
769 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
770 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
771 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
772 (shift1_qi, shift1_hi, insv): New.
773 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
774 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
775 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
776 cond_to_int): New.
777 * config/m32c/m32c-protos.h: Update as needed.
778 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
779 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
780 Fail for unrecognized R* constraints.
781 (m32c_cannot_change_mode_class): Be more picky about pseudos.
782 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
783 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
784 Add Sp constraint.
785 (m32c_init_libfuncs): New.
786 (m32c_legitimate_address_p): Add debug wrapper.
787 (m32c_rtx_costs): New.
788 (m32c_address_cost): New.
789 (conversions): Add 'B' prefix.
790 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
791 operands, or word regnames for QI operands. 'B' prints bit
792 position.
793 (m32c_expand_setmemhi): New.
794 (m32c_expand_movmemhi): New.
795 (m32c_expand_movstr): New.
796 (m32c_expand_cmpstr): New.
797 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
798 (m32c_expand_neg_mulpsi3): Handle non-ints.
799 (m32c_cmp_flg_0): New.
800 (m32c_expand_movcc): New.
801 (m32c_expand_insv): New.
802 (m32c_scc_pattern): New.
803 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
804 a0/a1 out of SIregs.
805 (STORE_FLAG_VALUE): New.
806 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
807 code macros.
808 (no_insn): New.
809 * config/m32c/mov.md: Make constraints more liberal.
810 (zero_extendqihi2): Optimize r0/r1 case.
811 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
812 * config/m32c/predicates.md (m32c_any_operand): New.
813 (m32c_nonimmediate_operand): New.
814 (m32c_hl_operand): New.
815 (m32c_r3_operand): New.
816 (ap_operand): New.
817 (ma_operand): New.
818 (memsym_operand): New.
819 (memimmed_operand): New.
820 (a_qi_operand): New.
821 (m32c_eqne_operator): New.
822 (m32c_1bit8_operand): New.
823 (m32c_1bit16_operand): New.
824 (m32c_1mask8_operand): New.
825 (m32c_1mask16_operand): New.
826 * config/m32c/blkmov.md: New file.
827 * config/m32c/t-m32c (MD_FILES): Add blkmov.
829 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
831 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
832 unsigned to fix signed/unsigned comparison issue in
833 DWARF2_FRAME_REG_OUT.
834 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
835 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
837 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
838 of ptr into the ENABLE_CHECKING section.
840 2006-03-08 Jeff Law <law@redhat.com>
842 * tree-vrp.c (infer_value_range): Only count pointer uses
843 and dereferences if -fdelete-null-pointer-checks is enabled.
845 * tree-vrp.c (find_assert_locations): Infer value ranges for
846 single use pointers, but do not create ASSERT_EXPRs for them.
847 When a non-null range is inferred for a pointer, backwards
848 propagate that range to other equivalent pointers through the
849 use-def chain.
851 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
853 PR bootstrap/26500
854 * Makefile.in (dvi, html, install-info): Invoke the corresponding
855 language hook targets.
856 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
857 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
858 if language hook targets were missing.
860 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
862 * tree-ssa-opfinalize.h: Removed.
863 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
864 dependency.
865 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
866 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
867 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
868 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
869 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
870 finalize_ssa_v_must_def_ops): New.
872 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
874 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
875 block as parameter.
877 2006-03-07 Geoffrey Keating <geoffk@apple.com>
879 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
881 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
882 addresses with offsets; reorganize.
884 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
885 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
886 (expand_builtin_init_dwarf_reg_sizes): Likewise.
888 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
890 PR target/26588
891 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
893 2006-03-08 Ben Elliston <bje@au.ibm.com>
895 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
897 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
899 PR gomp/26238
900 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
901 expansion.
903 2006-03-07 Richard Guenther <rguenther@suse.de>
905 PR tree-optimization/26587
906 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
908 2006-03-07 Richard Sandiford <richard@codesourcery.com>
910 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
912 2006-03-07 Richard Sandiford <richard@codesourcery.com>
914 * hooks.c (hook_bool_mode_rtx_true): New function.
915 * hooks.h (hook_bool_mode_rtx_true): Declare.
916 * toplev.c (compile_file): Call output_shared_constant_pool.
917 * varasm.c (shared_constant_pool): New variable.
918 (assemble_start_function, assemble_end_function): Remove arguments
919 from call to output_constant_pool.
920 (create_constant_pool): New function, split out from...
921 (init_varasm_status): ...here.
922 (force_const_mem): Choose between the shared and per-function constant
923 pools. Set current_function_uses_const_pool when reusing old entries
924 as well as when creating new ones.
925 (mark_constant): Ignore data argument.
926 (mark_constants): Remove pool argument.
927 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
928 to decide whether the function uses a constant pool.
929 (output_constant_pool_contents): New function, split out from...
930 (output_constant_pool): ...here.
931 (output_shared_constant_pool): New function.
932 (init_varasm_once): Initialize shared_constant_pool.
933 * output.h (output_constant_pool): Delete.
934 (output_shared_constant_pool): Declare.
935 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
936 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
938 2006-03-06 Nick Clifton <nickc@redhat.com>
940 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
941 flag_strength_reduce.
943 2006-03-06 Ben Elliston <bje@au.ibm.com>
945 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
946 x86_64-*-linux* configurations.
948 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
949 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
951 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
953 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
954 Remove.
955 * basic-block.h: Remove the extern for
956 rediscover_loops_after_threading.
958 * cfgloop.c (cancel_loop): Make it static.
959 * cfgloop.h: Remove the prototype for cancel_loop.
961 * flow.c (recompute_reg_usage): Make it static.
962 * rtl.h: Remove the prototype for recompute_reg_usage.
964 * function.c (use_return_register): Make it static.
965 * function.h: Remove the prototype.
967 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
969 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
970 Remove.
971 * recog.h: Remove the prototype for
972 validate_change_maybe_volatile.
974 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
976 * rtlanal.c (replace_reg): Remove.
977 * rtl.h: Remove the prototype for replace_reg.
979 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
981 * regclass.c (reg_scan_update): Remove.
982 (reg_scan_mark_refs): Remove the last argument.
983 * rtl.h: Remove the prototype for reg_scan_update.
985 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
987 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
988 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
989 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
990 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
991 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
992 loop-invariant.c, omp-low.c, opts.c, passes.c,
993 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
994 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
995 tree-ssa-structalias.c, tree-ssa-threadedge.c,
996 tree-ssa-threadupdate.c, tree-vect-patterns.c,
997 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
998 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
1000 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1002 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
1003 * dwarf2out.h: Remove the prototype for
1004 dwarf2out_add_library_unit_info.
1006 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1008 * tree.c (add_var_to_bind_expr): Remove.
1009 * tree.h: Remove the prototype for add_var_to_bind_expr.
1011 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1013 * regclass.c (n_non_fixed_regs): Remove.
1014 (init_reg_sets_1, globalize_reg): Remove all uses of
1015 n_non_fixed_regs.
1016 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
1018 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1020 * rtlanal.c (insns_safe_to_move_p): Remove.
1021 * rtl.h: Remove the prototype for insns_safe_to_move_p.
1023 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1025 * expmed.c (expand_mult_add): Remove.
1026 * expr.h: Remove the prototype for expand_mult_add.
1028 2006-03-04 Jakub Jelinek <jakub@redhat.com>
1030 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
1031 and REG_SAVED_VAL_EXP constants.
1032 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
1033 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1034 Handle regs stored by value.
1035 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
1036 (execute_cfa_program): Handle DW_CFA_val_offset,
1037 DW_CFA_val_offset_sf and DW_CFA_val_expression.
1038 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
1039 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
1040 (uw_install_context_1): Handle target regs stored by value.
1042 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
1044 * tree-sra.c (tree_sra): Return todoflags;
1045 (generate_one_element): Set TODO_update_smt_usage if needed.
1046 (pass_sra): Remove TODO_update_smt_usage.
1047 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
1048 parameter.
1049 (tree_ssa_forward_propagate_single_use_vars): Return
1050 TODO_update_smt_usage if we need to update SMT usage.
1051 (pass_forwprop): Remove TODO_update_smt_usage.
1053 2006-03-03 Diego Novillo <dnovillo@redhat.com>
1055 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
1056 (correct_use_link): Remove reference to get_stmt_operands.
1057 (update_stmt_operands): Likewise.
1058 (get_modify_expr_operands): New function factored out of
1059 parse_ssa_operands and get_expr_operands.
1060 Try to create V_MUST_DEFs for LHS by default.
1061 (get_expr_operands) <case MODIFY_EXPR>: Call
1062 get_modify_expr_operands.
1063 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
1064 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
1065 (parse_ssa_operands) <case MODIFY_EXPR>: Call
1066 get_modify_expr_operands.
1068 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
1070 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
1071 * tree-flow.h: Remove the prototype for
1072 referenced_var_lookup_if_exists.
1074 2006-03-03 Steve Ellcey <sje@cup.hp.com>
1076 PR rtl-optimization/26345
1077 PR target/19061
1078 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
1080 2006-03-03 Roger Sayle <roger@eyesopen.com>
1082 PR tree-optimization/26524
1083 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
1084 fold_convert to create a constant of the appropriate type.
1086 2006-03-03 Richard Sandiford <richard@codesourcery.com>
1088 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1089 SYMBOL_REF_IN_BLOCK_P.
1090 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
1091 of SYMBOL_FLAG_IN_BLOCK.
1092 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
1093 instead of SYMBOL_REF_IN_BLOCK_P.
1094 * explow.c (use_anchored_address): Likewise.
1095 * rtl.c (rtx_size): Likewise.
1096 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
1097 instead of SYMBOL_FLAG_IN_BLOCK.
1098 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1099 SYMBOL_REF_IN_BLOCK_P.
1100 (assemble_variable): Likewise.
1101 (output_constant_def_contents): Likewise.
1102 (output_constant_pool): Likewise.
1103 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
1104 instead of SYMBOL_FLAG_IN_BLOCK.
1105 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1106 SYMBOL_REF_IN_BLOCK_P.
1107 (SYMBOL_REF_BLOCK): Likewise.
1108 (SYMBOL_REF_OFFSET): Likewise.
1109 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1110 SYMBOL_REF_IN_BLOCK_P.
1111 (SYMBOL_FLAG_IN_BLOCK): Replace with...
1112 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
1113 (SYMBOL_REF_IN_BLOCK_P): Replace with...
1114 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
1116 2006-03-03 Jakub Jelinek <jakub@redhat.com>
1118 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
1120 2006-03-02 Roger Sayle <roger@eyesopen.com>
1122 * simplify-rtx.c (simplify_unary_operation): When simplifying
1123 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
1124 that we perform the right shift in the appropriate mode, and
1125 then extend or truncate the result to requested mode.
1127 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
1129 * gengtype.c (main): Handle double_int type.
1130 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
1131 * double-int.c: New file.
1132 * double-int.h: New file.
1133 * system.h: Include doubleint.h.
1134 * Makefile.in (SYSTEM_H): Include double-int.h.
1135 (double-int.o): Add.
1137 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
1139 PR bootstrap/26478
1140 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
1141 copying over it.
1143 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1145 * tree-vrp.c (remove_range_assertions): Do not update statements
1146 unnecessarily.
1148 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1150 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
1151 cleanup.
1152 * gcse.c (rest_of_handle_gcse): Ditto.
1153 * except.c (gate_handle_eh): Ditto.
1154 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
1155 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
1157 2006-03-02 Eric Christopher <echristo@apple.com>
1159 * config/i386/i386.c (machopic_output_stub): Add indirection to
1160 jump.
1162 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1164 * loop.c: Removed.
1166 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
1168 Sun Niagara specific optimizations.
1169 * config.gcc: Recognize niagara as target.
1170 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
1171 (TARGET_CPU_niagara): Define.
1172 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
1173 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
1174 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1175 (ASM_CPU_SPEC): Likewise.
1176 (PROCESSOR_NIAGARA): New enum entry.
1177 (REGISTER_MOVE_COST): Handle Niagara.
1178 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
1179 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
1180 (sparc_override_options): Recognize "niagara", set appropriate
1181 default MASK_* values for it, and align functions to 32-bytes
1182 by default just like ULTRASPARC/ULTRASPARC3.
1183 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
1184 (sparc64_initialize_trampoline): Likewise.
1185 (sparc_use_sched_lookahead): Use zero for niagara.
1186 (sparc_issue_rate): Use one for niagara.
1187 * config/sparc/niagara.md: New file.
1188 * config/sparc/sparc.md: Include it.
1189 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
1190 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
1191 when default cpu is niagara.
1192 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1193 (ASM_CPU_SPEC): Likewise.
1194 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
1195 when default cpu is niagara.
1196 (ASM_CPU_SPEC): Handle -mcpu=niagara.
1197 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
1198 just like v9/ultrasparc/ultrasparc3.
1199 * doc/invoke.texi: Add documentation for "niagara" and improve
1200 existing documentation for ultrasparc variants.
1202 2006-03-02 Diego Novillo <dnovillo@redhat.com>
1204 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
1206 2006-03-02 Richard Sandiford <richard@codesourcery.com>
1208 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
1209 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
1210 and say that only one is needed.
1211 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
1212 * target.h (have_switchable_bss_sections): New hook.
1213 * explow.c (use_anchored_address): Check that the symbol is in a block.
1214 * varasm.c (tls_comm_section, comm_section, lcomm_section)
1215 (bss_noswitch_section): New variables.
1216 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
1217 (get_noswitch_section): New function.
1218 (get_block_for_section): Allow SECT to be null.
1219 (unlikely_text_section_p): Use SECTION_STYLE.
1220 (bss_initializer_p): New function.
1221 (get_variable_section): Move earlier in file. Take a new argument,
1222 prefer_noswitch_p. Move bss checks from assemble_variable to here.
1223 Return one of the new *_sections in such cases.
1224 (get_block_for_decl): New function, extracting some logic from
1225 use_blocks_for_decl_p.
1226 (change_symbol_section): Remove in favor of...
1227 (change_symbol_block): ...this new function.
1228 (use_blocks_for_decl_p): Remove checks now performed by
1229 get_block_for_decl.
1230 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
1231 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
1232 (emit_local, emit_bss, emit_common): ...these new functions.
1233 Return true if the alignment was honored.
1234 (emit_tls_common): New function.
1235 (asm_emit_uninitialised): Delete.
1236 (assemble_variable_noswitch): New function, split out from...
1237 (assemble_variable): ...here. Don't make decisions about common
1238 variables here. Globalize all public decls that go into non-common
1239 sections. Check whether SYMBOL_REF_BLOCK is null.
1240 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
1241 (output_constant_pool): Likewise.
1242 (init_varasm_once): Initialize the new section variables.
1243 (have_global_bss_p): New function.
1244 (categorize_decl_for_section): Use bss_initializer_p.
1245 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
1246 (place_block_symbol): Assert that the symbol must be in a block.
1247 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
1248 (TARGET_INITIALIZER): Include it.
1249 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
1250 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
1251 (SECTION_MACH_DEP): Bump by two.
1252 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
1253 (unnamed_section): Mention SECTION_UNNAMED in comment.
1254 (named_section): Likewise SECTION_NAMED.
1255 (noswitch_section_callback): New type.
1256 (noswitch_section): New structure.
1257 (section): Add a noswitch_section alternative.
1258 (SECTION_STYLE): New macro.
1259 (tls_comm_section, comm_section, lcomm_section): Declare.
1260 (bss_noswitch_section, have_global_bss_p): Declare.
1261 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1262 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1263 Override.
1264 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1265 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1266 Override.
1268 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
1270 * gcc/tree-vrp.c (execute_vrp): Return value.
1271 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
1272 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
1273 * gcc/tree-complex.c (tree_lower_complex): Ditto.
1274 (tree_lower_complex_O0): Ditto.
1275 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
1276 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
1277 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
1278 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
1279 (execute_tail_calls): Ditto.
1280 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1281 * gcc/tree.h (init_function_for_compilation): Ditto.
1282 * gcc/ipa-cp.c (ipcp_driver): Ditto.
1283 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
1284 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
1285 * gcc/final.c (compute_alignments): Ditto.
1286 (rest_of_handle_final): Ditto.
1287 (rest_of_handle_shorten_branches): Ditto.
1288 (rest_of_clean_state): Ditto.
1289 * gcc/omp-low.c (execute_expand_omp): Ditto.
1290 (execute_lower_omp): Ditto.
1291 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
1292 * gcc/ipa-reference.c (static_execute): Ditto.
1293 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
1294 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
1295 (rest_of_handle_machine_reorg): Ditto.
1296 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
1297 * gcc/flow.c (recompute_reg_usage): Ditto.
1298 (rest_of_handle_remove_death_notes): Ditto.
1299 (rest_of_handle_life): Ditto.
1300 (rest_of_handle_flow2): Ditto.
1301 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
1302 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
1303 (do_ssa_store_ccp): Ditto.
1304 (execute_fold_all_builtins): Ditto.
1305 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
1306 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
1307 * gcc/ipa-pure-const.c (static_execute): Ditto.
1308 * gcc/cse.c (rest_of_handle_cse): Ditto.
1309 (rest_of_handle_cse2): Ditto.
1310 * gcc/web.c (rest_of_handle_web): Ditto.
1311 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
1312 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
1313 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1314 * gcc/tree-nrv.c (tree_nrv): Ditto.
1315 (execute_return_slot_opt): Ditto.
1316 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
1317 (create_structure_vars): Ditto.
1318 * gcc/loop-init.c (rtl_loop_init): Ditto.
1319 (rtl_loop_done): Ditto.
1320 (rtl_move_loop_invariants): Ditto.
1321 (rtl_unswitch): Ditto.
1322 (rtl_unroll_and_peel_loops): Ditto.
1323 (rtl_doloop): Ditto.
1324 * gcc/gimple-low.c (lower_function_body): Ditto.
1325 (mark_used_blocks): Ditto.
1326 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
1327 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
1328 (cgraph_early_inlining): Ditto.
1329 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
1330 * gcc/jump.c (cleanup_barriers): Ditto.
1331 (purge_line_number_notes): Ditto.
1332 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
1333 (rest_of_handle_if_after_reload): Ditto.
1334 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
1335 (tree_ssa_loop_im): Ditto.
1336 (tree_ssa_loop_unswitch): Ditto.
1337 (tree_vectorize): Ditto.
1338 (tree_linear_transform): Ditto.
1339 (tree_ssa_loop_ivcanon): Ditto.
1340 (tree_ssa_empty_loop): Ditto.
1341 (tree_ssa_loop_bounds): Ditto.
1342 (tree_complete_unroll): Ditto.
1343 (tree_ssa_loop_prefetch): Ditto.
1344 (tree_ssa_loop_ivopts): Ditto.
1345 (tree_ssa_loop_done): Ditto.
1346 * gcc/predict.c (tree_estimate_probability): Ditto.
1347 * gcc/recog.c (split_all_insns_noflow): Ditto.
1348 (rest_of_handle_peephole2): Ditto.
1349 (rest_of_handle_split_all_insns): Ditto.
1350 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
1351 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
1352 (rest_of_handle_stack_adjustments): Ditto.
1353 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
1354 * gcc/function.c (instantiate_virtual_regs): Ditto.
1355 (init_function_for_compilation): Ditto.
1356 (rest_of_handle_check_leaf_regs): Ditto.
1357 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
1358 (rest_of_handle_gcse): Ditto.
1359 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
1360 * gcc/alias.c (rest_of_handle_cfg): Ditto.
1361 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
1362 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
1363 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
1364 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
1365 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
1366 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
1367 * gcc/except.c (set_nothrow_function_flags): Ditto.
1368 (convert_to_eh_region_ranges): Ditto.
1369 (rest_of_handle_eh): Ditto.
1370 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
1371 (remove_unnecessary_notes): Ditto.
1372 * gcc/except.h (set_nothrow_function_flags): Ditto.
1373 (convert_to_eh_region_ranges): Ditto.
1374 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
1375 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
1376 * gcc/tree-ssa-pre.c (do_pre): Ditto.
1377 (execute_fre): Ditto.
1378 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
1379 (rest_of_handle_jump2): Ditto.
1380 * gcc/tree-sra.c (tree_sra): Ditto.
1381 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
1382 (execute_mudflap_function_decls): Ditto.
1383 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
1384 (do_store_copy_prop): Ditto.
1385 * gcc/ipa-prop.h (ipcp_driver): Ditto.
1386 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
1387 * gcc/tree-ssa-forwprop.c
1388 (tree_ssa_forward_propagate_single_use_vars): Ditto.
1389 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
1390 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
1391 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
1392 (execute_late_warn_uninitialized): Ditto.
1393 * gcc/rtl.h (cleanup_barriers): Ditto.
1394 (split_all_insns_noflow): Ditto.
1395 (purge_line_number_notes): Ditto.
1396 (unshare_all_rtl): Ditto.
1397 (remove_unnecessary_notes): Ditto.
1398 (recompute_reg_usage): Ditto.
1399 (variable_tracking_main): Ditto.
1400 * gcc/integrate.c (emit_initial_value_sets): Ditto.
1401 * gcc/integrate.h (emit_initial_value_sets): Ditto.
1402 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
1403 (execute_free_cfg_annotations): Ditto.
1404 (execute_fixup_cfg): Ditto.
1405 (execute_cleanup_cfg_pre_ipa): Ditto.
1406 (execute_cleanup_cfg_post_optimizing): Ditto.
1407 (execute_init_datastructures): Ditto.
1408 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
1409 * gcc/combine.c (rest_of_handle_combine): Ditto.
1410 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
1411 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
1412 (rest_of_handle_reorder_blocks): Ditto.
1413 (rest_of_handle_partition_blocks): Ditto.
1414 * gcc/var-tracking.c (variable_tracking_main): Ditto.
1415 * gcc/tree-profile.c (tree_profiling): Ditto.
1416 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
1417 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
1418 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
1419 (rest_of_handle_sched2): Ditto.
1420 * gcc/basic-block.h (free_bb_insn): Ditto.
1421 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
1422 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
1423 (remove_useless_stmts): Ditto.
1424 (split_critical_edges): Ditto.
1425 (execute_warn_function_return): Ditto.
1426 (execute_warn_function_noreturn): Ditto.
1427 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
1428 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
1429 * gcc/passes.c (execute_one_pass): Run additional
1430 todos returned by execute function.
1431 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
1432 return a value.
1434 2006-03-02 Richard Guenther <rguenther@suse.de>
1436 * tree-ssa-alias.c (find_used_portions): Consider taking
1437 the address as making the variable not write-only.
1439 2006-03-02 Nick Clifton <nickc@redhat.com>
1441 * config.gcc (default_use_cxa_atexit): Extend the description of
1442 this configure variable. Set its default value to "yes" for
1443 Linux, NetBSD and ELF targets on the assumption that they will
1444 use C libraries with the __cxa_atexit function.
1446 2006-03-02 Ben Elliston <bje@au.ibm.com>
1448 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
1449 parameter as unused to suppress a build warning.
1451 2006-03-02 Ben Elliston <bje@au.ibm.com>
1453 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
1454 config/dfp-bit.c.
1456 2006-03-01 Roger Sayle <roger@eyesopen.com>
1458 PR other/26489
1459 * gthr-posix.h (__gthrw2): Define to take three parameters, the
1460 declared name, the weak reference name, and the typeof name.
1461 (__gthrw): Avoid expanding the declared name suffix.
1462 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
1464 2006-03-01 Jakub Jelinek <jakub@redhat.com>
1466 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
1467 from DWARF 3.
1468 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
1469 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
1470 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
1471 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
1472 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
1473 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
1474 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
1475 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
1476 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
1477 DW_DS_leading_separate, DW_DS_trailing_separate): New.
1478 (DW_END_default, DW_END_big, DW_END_little): New.
1479 (DW_END_lo_user, DW_END_hi_user): Define.
1480 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
1481 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
1482 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
1483 DW_LANG_D): New.
1485 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1487 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
1488 Update all users.
1489 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
1490 Update all users.
1491 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
1492 Update all users.
1493 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
1494 Update all users.
1495 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
1496 to 'symbol_mem_tag'.
1497 Update all users.
1498 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
1499 rename.
1501 2006-03-01 Roger Sayle <roger@eyesopen.com>
1503 * builtins.c (fold_builtin_copysign): Delete unreachable code.
1505 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1507 PR target/25761
1508 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
1509 MACHO_DYNAMIC_NO_PIC_P.
1510 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
1512 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1514 PR target/26389
1515 * config/darwin-protos.h (darwin_asm_output_anchor):
1516 Declare.
1517 * config/darwin-sections.def (cstring_section):
1518 Add SECTION_MERGE to the flags.
1519 (literal4_section): Likewise.
1520 (literal8_section): Likewise.
1521 (objc_selector_refs_section): Likewise.
1522 (objc_cls_refs_section): Likewise.
1523 * config/darwin.c (darwin_asm_output_anchor): New
1524 function.
1525 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1527 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
1529 Fix PR tree-optimization/26443
1530 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
1531 to todo and PROP_tmt_usage to properties_destroyed.
1532 * tree-ssa-ccp.c (pass_ccp): Ditto.
1533 (pass_store_ccp): Ditto.
1534 * tree-ssa-dom.c (pass_dominator): Ditto.
1536 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1538 * tree-ssa-operands.c: Cleanup whitespace.
1539 (get_asm_expr_operands): Move before first invocation.
1540 (get_indirect_ref_operands): Likewise.
1541 (get_tmr_operands): Likewise.
1542 (get_call_expr_operands): Likewise.
1543 (append_def): Likewise.
1544 (append_use): Likewise.
1545 (append_v_may_def): Likewise.
1546 (append_v_must_def): Likewise.
1547 (add_call_clobber_ops): Likewise.
1548 (add_call_read_ops): Likewise.
1549 (add_stmt_operand): Likewise.
1550 (add_virtual_operand): Likewise.
1551 (build_ssa_operands): Likewise.
1553 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1555 PR middle-end/26022
1556 Revert:
1557 PR middle-end/24437
1558 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1559 with a call expr to ...
1560 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1562 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1564 * tree-vrp.c (extract_range_from_assert): Remove special
1565 handling for types with super-types.
1567 2006-03-01 Ben Elliston <bje@au.ibm.com>
1569 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
1570 and powerpc64-*-linux* configurations.
1571 * config/t-dfprules: New file.
1573 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
1574 Compile dfp-bit.c from the source directory using -DWIDTH and
1575 $DFP_CFLAGS to control the compilation of that file, rather than
1576 generating width-specific versions in the build directory.
1577 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
1578 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
1580 2006-02-28 Zack Weinberg <zackw@panix.com>
1582 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
1583 continues to work.
1585 2006-02-28 Eric Christopher <echristo@apple.com>
1587 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
1588 Set up IN_LIBGCC definition of TARGET_64BIT.
1589 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
1591 2006-02-28 Roger Sayle <roger@eyesopen.com>
1593 PR middle-end/14752
1594 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
1595 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
1596 cases via the construction of "expr != 0".
1598 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1600 * alias.c (alias_invariant, alias_invariant_size): Remove.
1601 (record_base_value): Remove.
1602 (memrefs_conflict_p): Don't look at alias_invariant.
1603 (end_alias_analysis): Don't free it.
1604 * alias.h (record_base_value): Remove prototype.
1606 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
1607 Adam Nemet <anemet@caviumnetworks.com>
1609 * rtl.h (truncated_to_mode): Declare it.
1610 (struct rtl_hooks): Add reg_truncated_to_mode hook.
1611 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
1612 (RTL_HOOKS_INITIALIZER): Include it.
1613 * rtlhooks.c (reg_truncated_to_mode_general): New function.
1614 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
1615 reg_truncated_to_mode.
1616 * rtlanal.c (truncated_to_mode): Define it.
1617 * simplify-rtx.c (simplify_unary_operation_1): Use it.
1619 2006-02-28 Jeff Law <law@redhat.com>
1621 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
1622 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
1623 the range allowed by TYPE_PRECISION.
1625 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
1627 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
1629 PR tree-optimization/26419
1630 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
1631 values of n.
1633 2006-02-27 Zack Weinberg <zackw@panix.com>
1635 * doc/md.texi: Fix typo in previous change.
1637 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
1639 * df.c: Remove.
1641 2006-02-27 Zack Weinberg <zackw@panix.com>
1643 * rtl.def (define_constraint, define_register_constraint)
1644 (define_memory_constraint, define_address_constraint): New MD forms.
1645 * gensupport.c (process_rtx): Put define_constraint etc on the
1646 predicate queue.
1647 * genpreds.c (process_define_predicate): Adjust comment. Validate
1648 the name, and call validate_exp to validate the expression.
1649 (mark_mode_tests, write_extract_subexp): Can assume correct input.
1650 (write_predicate_expr): Likewise. NAME argument no longer necessary;
1651 all callers changed.
1652 (validate_exp, needs_variable, struct constraint_data)
1653 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
1654 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
1655 (const_dbl_constraints, constraint_max_namelen)
1656 (have_register_constraints, have_memory_constraints)
1657 (have_address_constraints, have_address_constraints)
1658 (have_extra_constraints, have_const_int_constraints)
1659 (have_const_dbl_constraints, mangle, add_constraint)
1660 (process_define_constraint, process_define_register_constraint)
1661 (write_enum_constraint_num, write_lookup_constraint)
1662 (write_insn_constraint_len, write_regclass_for_constraint)
1663 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
1664 (write_insn_extra_memory_constraint)
1665 (write_insn_extra_address_constraint)
1666 (write_satisfies_constraint_fns): New.
1667 (write_tm_preds_h): If we have new-style constraint definitions,
1668 prototype the functions generated from them, and define the
1669 old constraint interface (still used by generic code) in terms of
1670 those functions.
1671 (write_insn_preds_c): If we have new-style constraint definitions,
1672 generate all relevant functions from those definitions.
1673 (main): Handle define_constraint etc.
1674 * genoutput.c (struct constraint_data, indep_constraints)
1675 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
1676 (mdep_constraint_len): New data structures and functions, defined
1677 #ifdef USE_MD_CONSTRAINTS.
1678 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
1679 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
1680 use new logic to validate operand constraints against constraint
1681 definitions.
1682 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
1683 defined.
1684 * defaults.h: If none of the old-style constraint macros are
1685 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
1686 old-style macros; and poison REG_CLASS_FROM_LETTER,
1687 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
1688 EXTRA_CONSTRAINT.
1689 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
1690 * doc/md.texi: Document new constraint-definition mechanism and the
1691 C interface it provides. Remove references to old mechanism
1692 elsewhere in the document.
1693 (Machine Constraints): Use pathnames relative to gcc directory,
1694 i.e. config/ARCH/FILE. Change i386 section to refer to
1695 config/i386/predicates.md; update that section to match docstrings.
1696 * doc/tm.texi: Move all documentation of the old constraint-
1697 definition macros to their own section, clearly mark as obsolete.
1699 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
1700 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
1701 definitions.
1702 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
1703 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1704 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
1705 constraint strings.
1706 (splits and peepholes): Use satisfies_constraint_*.
1707 * config/i386/i386.c (memory_address_length)
1708 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
1710 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1712 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
1713 scalar operation to be put back into the loop.
1715 2006-02-27 Jakub Jelinek <jakub@redhat.com>
1717 PR other/26208
1718 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
1719 (extract_cie_info): Handle S flag in augmentation string.
1720 (execute_cfa_program): If context->signal_frame, execute also
1721 fs->pc == context->ra instructions.
1722 (uw_frame_state_for): If context->signal_frame, don't subtract one
1723 from context->ra to find FDE.
1724 (uw_update_context_1): Set context->signal_frame to
1725 fs->signal_frame.
1726 (_Unwind_GetIPInfo): New function.
1727 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
1728 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
1729 of _Unwind_GetIP.
1730 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
1731 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
1732 * unwind-compat.c (_Unwind_GetIPInfo): New function.
1733 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
1734 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
1735 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
1736 * config/i386/linux-unwind.h (x86_fallback_frame_state,
1737 x86_64_fallback_frame_state): Set fs->signal_frame.
1738 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
1739 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
1740 (frob_update_context): Likewise. Workaround missing S flag in
1741 Linux 2.6.12 - 2.6.16 kernel vDSOs.
1742 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
1743 Remove the psw_addr + 1 hack.
1745 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1747 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1748 with aggregates here.
1749 (find_func_aliases): Remove code for &<aggregate> from here.
1751 2006-02-26 Roger Sayle <roger@eyesopen.com>
1753 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1754 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1755 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1756 as (X & C) ne/eq 0.
1758 2006-02-26 Roger Sayle <roger@eyesopen.com>
1760 PR middle-end/19983
1761 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1763 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1765 * opts.c (decode_options): Do not handle flag_strength_reduce.
1766 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1767 and OPT_fstrength_reduce.
1768 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1769 flag_prefetch_loop_arrays for being nonzero.
1770 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1771 no-ops.
1772 (fprefetch-loop-arrays-rtl): Removed.
1773 (flag_prefetch_loop_arrays): Do not specify the value.
1775 * doc/passes.texi: Update documentation of loop optimizer
1776 passes.
1777 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1778 -frerun-loop-opt): Remove.
1780 2006-02-26 Richard Guenther <rguenther@suse.de>
1782 PR tree-optimization/26421
1783 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1784 in function calls that are ADDR_EXPRs as using the whole structure.
1786 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1788 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1789 * tree-pass.h (pass_loop_optimize): Remove.
1790 * passes.c (pass_loop_optimize): Never run it.
1791 * toplev.c (backend_init): Don't call init_loop.
1792 * opts.c (flag_loop_optimize_set): Remove.
1793 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1794 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1795 the old RTL loop optimizer when profiling enabled.
1796 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1797 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1798 pre-headers for the sake of the old RTL loop optimizer.
1799 * Makefile.in: Remove all references to loop.o.
1801 * doc/invoke.texi: Remove all references to -floop-optimize
1802 and -frerun-loop-opt.
1804 2006-02-26 Zack Weinberg <zackw@panix.com>
1806 * doc/md.texi (Machine Constraints): Refer to all files with paths
1807 relative to gcc directory (i.e. config/CPU/file). Add missing
1808 @table @code ... @end table to M32C subsection.
1810 2006-02-26 Roger Sayle <roger@eyesopen.com>
1812 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1813 (X & 1) == 0.
1814 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1816 2006-02-26 Roger Sayle <roger@eyesopen.com>
1817 James A. Morrison <phython@gcc.gnu.org>
1819 PR middle-end/21137
1820 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1821 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1822 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1823 signedness of the shift operation.
1825 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1827 PR tree-optimization/26359
1828 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1830 2006-02-25 Roger Sayle <roger@eyesopen.com>
1832 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1833 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1834 as X == 0, and some symmetry related transformations.
1835 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1837 2006-02-25 Roger Sayle <roger@eyesopen.com>
1839 PR middle-end/23673
1840 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1841 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1842 symmetry related transformations. Fold (X^C1) == C2 as
1843 X == (C1^C2).
1845 2006-02-25 Juergen Weigert <jw@suse.de>
1846 Richard Guenther <rguenther@suse.de>
1848 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1850 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1852 * combine.c (gen_lowpart_or_truncate): Call
1853 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1855 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1857 * doc/invoke.texi: Move -fopenmp description to "Options for
1858 Code Generation".
1859 Remove reference to -lgomp.
1861 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1863 * doc/install.texi: Require GNU tar version 1.14.
1865 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1867 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1868 * doc/invoke.texi (C++ Dialect Options): Document
1869 -fno-use-cxa-get-exception-ptr.
1870 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1871 * configure: Regenerate.
1872 * c.opt (fuse-cxa-get-exception-ptr): New.
1873 * c-opts.c (c_common_handle_option): Handle
1874 OPT_fuse_cxa_get_exception_ptr.
1875 * c-common.c (flag_use_cxa_atexit): Update documentation.
1876 (flag_use_cxa_get_exception_ptr): New.
1877 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1878 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1879 documentation.
1880 (C_COMMON_OVERRIDE_OPTIONS): New.
1882 2006-02-24 Roger Sayle <roger@eyesopen.com>
1884 PR middle-end/24952
1885 * combine.c (try_combine): Explicitly check whether GET_CODE is
1886 a SET or a CLOBBER, instead on checking that it isn't a USE.
1888 2006-02-24 Roger Sayle <roger@eyesopen.com>
1890 * fold-const.c (fold_comparison): New subroutine of fold_binary
1891 containing transformations common to both the equality and
1892 ordering relational operators, factored out of fold_binary.
1893 (fold_binary): Separate out the equality operators (EQ_EXPR
1894 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1895 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1896 transformations common to both.
1897 (fold_div_compare): Fix latent bugs in the previously unreachable
1898 LT_EXPR and GE_EXPR cases.
1900 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1902 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1903 decl libname for clog to __clog on AIX.
1905 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1907 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1909 PR target/26453
1910 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1911 output traceback table for thunks. Localise rs6000_stack_info call.
1913 2006-02-23 Roger Sayle <roger@eyesopen.com>
1914 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1916 * gthr-posix.h (__gthrw): Fix typo in comment.
1918 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1920 * doc/cpp.texi (Character sets): Document that we do support
1921 input files to be in any character set.
1923 2006-02-23 Jeff Law <law@redhat.com>
1925 * tree.h (PHI_ARG_NONZERO): Remove.
1926 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1927 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1928 node to the new node.
1930 PR tree-optimization/26425
1931 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1932 min/max, then assume its varying.
1934 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1936 PR rtl-optimization/26316
1937 * rtlanal.c (enum may_trap_p_flags): New.
1938 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1939 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1940 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1941 (may_trap_after_code_motion_p): New function.
1942 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1943 (find_invariant_insn): Use may_trap_after_code_motion_p.
1944 * rtl.h (may_trap_after_code_motion_p): Declare.
1946 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1948 * emit-rtl.c (immed_double_const): Cleanup.
1950 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1952 Fix PR tree-optimization/26376
1953 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1954 remove assert.
1956 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1958 PR middle-end/26412
1959 * gimplify.c (omp_add_variable): Guard variable size decl test with
1960 DECL_SIZE (decl) check.
1962 2006-02-23 Richard Guenther <rguenther@suse.de>
1964 PR middle-end/26439
1965 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1966 like aggregate types.
1968 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1970 * configure.ac: Add --with{,out}-long-double-128 configure option.
1971 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1972 * configure: Rebuilt.
1973 * config.in: Rebuilt.
1974 * doc/install.texi (Options specification): Document
1975 --with-long-double-128.
1977 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1978 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1979 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1980 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1982 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1984 * config/s390/s390.c (override_options): Handle
1985 TARGET_DEFAULT_LONG_DOUBLE_128.
1987 * config/alpha/alpha.c (override_options): Handle
1988 TARGET_DEFAULT_LONG_DOUBLE_128.
1990 * config/sparc/sparc.c (sparc_override_options): Handle
1991 TARGET_DEFAULT_LONG_DOUBLE_128.
1993 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1995 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1996 (real-install-headers-tar, real-install-headers-cpio)
1997 (real-install-headers-cp): New targets.
1999 2006-02-22 Richard Sandiford <richard@codesourcery.com>
2001 * tree.h (variable_section): Delete.
2002 * varasm.c (variable_section): Delete.
2004 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
2006 * install.texi: Add notes on install.texi2html.
2007 (Building in parallel): Do not use footnotes.
2009 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
2011 PR libgomp/26234
2012 * doc/install.texi (Configuration): Document --disable-libgomp.
2014 2006-02-21 Geoffrey Keating <geoffk@apple.com>
2016 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
2018 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2020 * config/i386/sse.md (vec_extractv2df_1_sse): New.
2021 (vec_extractv2df_0_sse): New.
2023 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2025 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
2026 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
2027 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
2028 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
2029 to the result of the expression.
2030 (def_cfa_1): Adjust.
2031 (frame_pointer_cfa_offset): Rename to...
2032 (frame_pointer_fb_offset): ... this. Adjust all uses.
2033 (convert_cfa_to_loc_list): Rename to...
2034 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
2035 Pass it on to build_cfa_loc.
2036 (compute_frame_pointer_to_cfa_displacement): Rename to...
2037 (compute_frame_pointer_to_fb_displacement): ... this. New
2038 offset parameter. Use it in computation.
2039 (gen_subprogram_die): Compute cfa_fb_offset with the new
2040 macro, and use it to compute the fb loc list and the
2041 displacement.
2043 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
2045 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
2046 replaced with register_operand.
2047 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
2048 non-DREG is expensive.
2049 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
2050 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
2051 involving memory.
2053 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
2055 * doc/install.texi2html: Use set -e.
2057 2006-02-21 Richard Sandiford <richard@codesourcery.com>
2059 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2060 (ASM_OUTPUT_SHARED_LOCAL): Delete.
2061 * doc/invoke.texi (-fshared-data): Delete.
2062 * common.opt (fshared-data): Delete.
2063 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
2064 (assemble_static_space): Remove #if 0 code.
2065 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2066 (ASM_OUTPUT_SHARED_LOCAL): Poison.
2067 * config/cris/cris.h: Remove FIXME.
2069 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
2071 * doc/sourcebuild.texi (Front End Directory): No more double-colon
2072 hooks.
2074 2006-02-21 Jakub Jelinek <jakub@redhat.com>
2076 PR middle-end/26379
2077 * combine.c (simplify_shift_const_1): Disable nested shifts
2078 optimization for vector shifts.
2080 2006-02-20 Roger Sayle <roger@eyesopen.com>
2082 PR tree-optimization/26361
2083 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
2084 of unsigned integer types.
2086 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
2088 * tree-chrec.c (eq_evolutions_p): New.
2089 * tree-chrec.h (eq_evolutions_p): Declared.
2090 * tree-data-ref.c: Fix formatting.
2091 (datadep_stats, dependence_stats): New.
2092 (gcd): Moved...
2093 (print_direction_vector): New.
2094 (dump_data_dependence_relation): Use print_direction_vector.
2095 (object_analysis, create_data_ref): Handle COMPONENT_REF.
2096 (compute_subscript_distance): Static.
2097 (initialize_data_dependence_relation): Static. Get the number
2098 of loops surrounding the references from the callers, and initialize
2099 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
2100 base_object_differ_p analyzers.
2101 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
2102 compute_overlap_steps_for_affine_1_2,
2103 analyze_subscript_affine_affine): Count the classified dependences.
2104 Print a message when a test failed.
2105 (can_use_analyze_subscript_affine_affine): New.
2106 (analyze_siv_subscript): Compute the data dependences on symbolic
2107 scevs that verify can_use_analyze_subscript_affine_affine.
2108 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
2109 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
2110 Handle symbolic scevs.
2111 (analyze_overlapping_iterations): Let symbolic affine scevs to be
2112 analyzed.
2113 (subscript_dependence_tester): Moved...
2114 (build_classic_dist_vector, build_classic_dir_vector): Don't use
2115 lambda_vector_clear on newly allocated vectors. Get nb_loops from
2116 DDR_SIZE_VECT instead of getting it in parameter.
2117 (subscript_dependence_tester): ... here. Take as a parameter
2118 loop_nest_depth. Call build_classic_dist_vector and
2119 build_classic_dir_vector.
2120 (compute_affine_dependence): Update subscript_dependence_tester
2121 parameters. Update datadep_stats counters. Call
2122 compute_subscript_distance.
2123 (compute_self_dependence): Save the dist and dir vectors. Call
2124 compute_subscript_distance.
2125 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
2126 (compute_all_dependences): Reorder parameters as they were before
2127 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
2128 compute_subscript_distance. Update the use of
2129 compute_affine_dependence and initialize_data_dependence_relation.
2130 (find_data_references_in_loop): Handle COMPONENT_REF.
2131 (compute_data_dependences_for_loop): Initialize dependence_stats.
2132 Don't call build_classic_dist_vector and build_classic_dir_vector.
2133 Update the parameters of initialize_data_dependence_relation and
2134 compute_all_dependences. Print the statistics from datadep_stats.
2135 (analyze_all_data_dependences): Static. Not used until the pass for
2136 checking the data dependences is contributed.
2137 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
2138 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
2139 (initialize_data_dependence_relation, compute_affine_dependence,
2140 analyze_all_data_dependences, compute_subscript_distance): Removed.
2141 (print_direction_vector): New.
2142 * lambda.h (gcd): ... here.
2143 (lambda_vector_gcd): Moved here from gcd_vector.
2144 * lambda-code.c (gcd, gcd_vector): Removed.
2145 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
2146 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
2148 2006-02-20 Diego Novillo <dnovillo@redhat.com>
2150 * ipa-type-escape.c: Tidy some comments and white space.
2151 * tree-ssa-operands.c: Likewise.
2153 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
2155 PR tree-opt/25879
2156 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
2157 (dump_decl_name): Do not walk the decl tree chains.
2158 * tree-pass.h (TDF_CHAIN): Remove.
2160 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2162 * Makefile.in (C): Remove
2163 (PROTO): Remove
2164 (.PHONY): Remove C and PROTO
2166 2006-02-20 Roger Sayle <roger@eyesopen.com>
2168 PR middle-end/26236
2169 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
2170 deprecated CHAR_TYPE tree code.
2172 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2174 * configure.ac (target_list): Add install-info, dvi, html.
2175 * configure: Regenerate.
2177 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
2178 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
2179 treelang/Make-lang.in: Do not use double-colon rules.
2181 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
2183 * tree.h (struct tree_memory_tag): Add is_used_alone member.
2184 (TMT_USED_ALONE): New macro.
2185 * tree-pass.h (PROP_tmt_usage): New property.
2186 (TODO_update_tmt_usage): New todo.
2187 * tree-ssa-alias.c (updating_used_alone): New variable.
2188 (recalculate_used_alone): New function.
2189 (compute_may_aliases): Set updating_used_alone, call
2190 recalculate_used_alone.
2191 * tree-sra.c (pass_sra): Note that this pass destroys
2192 PROP_tmt_usage, and add TODO_update_tmt_usage.
2193 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2194 * tree-flow.h (updating_used_alone): Prototype.
2195 (recalculate_used_alone): Ditto.
2196 * passes.c (execute_todo): Add code to set updating_used_alone,
2197 and call recalculate.
2198 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
2199 for clobber if used alone, and add assert to verify used_alone
2200 status.
2202 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
2204 * config/s390/s390.c (legitimize_pic_address): Assertions checking
2205 for non tls symbols added.
2206 (legitimize_address): Do nothing for PLUS expressions if one of the
2207 addends is a tls symbol reference.
2209 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2211 PR bootstrap/25476
2213 * Makefile.in (LDFLAGS): Define from autoconf substitution.
2215 * Makefile.in (BOOTSTRAPPING): New.
2216 (quickstrap): New definition if BOOTSTRAPPING=yes.
2218 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
2219 * configure.ac: Substitute all_selected_languages with the languages
2220 that were configured. For all the other variables except
2221 lang_specs_files, include all the languages in the tree.
2222 * configure: Regenerate.
2224 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
2225 if there is one. Run the commands to run fixincludes in the same
2226 subshell.
2228 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
2229 * doc/install.texi: Document exact conventions for searching target tools.
2230 Document --with-build-time-tools. Document toplevel bootstrap. Document
2231 something more about building an Ada cross-compiler. Don't list GNU Make
2232 requirements which affect all platforms.
2234 2006-02-19 Roger Sayle <roger@eyesopen.com>
2236 PR middle-end/19543
2237 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
2238 only equivalent if the have both the same mode and precision.
2240 2006-02-20 Ben Elliston <bje@au.ibm.com>
2242 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
2244 2006-02-19 Roger Sayle <roger@eyesopen.com>
2245 Steven Bosscher <stevenb.gcc@gmail.com>
2247 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
2248 constant pool references to identify stack mode constants.
2249 * rtlanal.c (constant_pool_constant_p): New predicate to check
2250 whether operand is a floating point constant in the pool.
2251 * rtl.h (constant_pool_constant_p): Prototype here.
2252 * loop.c (scan_loop): Avoid hoisting constants from the constant
2253 pool on STACK_REGS targets.
2254 (load_mems): Likewise.
2255 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
2256 loads into x87 registers expensive in terms of register pressure.
2258 2006-02-19 Roger Sayle <roger@eyesopen.com>
2260 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
2261 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
2263 2006-02-19 David Edelsohn <edelsohn@gnu.org>
2265 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2266 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
2268 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
2270 * doc/invoke.texi: Document -fipa-pta.
2271 * common.opt: Add ipa-pta option.
2272 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
2273 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
2274 (do_ds_constraint): Ditto.
2275 (get_constraint_for): Only add to referenced_vars if
2276 referenced_vars exists.
2277 (insert_into_field_list): Rewrite to do this unsorted.
2278 (insert_into_field_list_sorted): Rename old insert_into_field_list
2279 to this.
2280 (create_function_info_for): Use insert_into_field_list_sorted.
2281 (create_variable_info_for): Rewrite so it uses unsorted version,
2282 since the field list is sorted.
2283 (intra_create_variable_infos): Only add to referenced_vars if
2284 referenced_vars exists.
2285 (ipa_pta_execute): Init heapvars, and delete when done.
2286 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
2288 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2290 * doc/install.texi: Add missing `@samp'.
2292 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2294 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
2295 Use the arguments.
2297 2006-02-18 Mark Wielaard <mark@klomp.org>
2299 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
2300 who added new 4.1 features, bug fixes and integration support.
2302 2006-02-18 David Edelsohn <edelsohn@gnu.org>
2304 PR target/26350
2305 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
2306 MEM for ABI_V4 pic.
2308 2006-02-18 Richard Sandiford <richard@codesourcery.com>
2310 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
2311 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
2312 (copy_insn_1): Likewise. Don't copy each field individually.
2313 Reindent.
2314 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
2315 of RTX_SIZE.
2316 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
2317 * rtl.c (rtx_size): Rename variable to...
2318 (rtx_code_size): ...this.
2319 (rtx_size): New function.
2320 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
2321 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
2322 Reindent.
2323 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
2324 * rtl.h (rtx_code_size): New variable.
2325 (rtx_size): Change from a variable to a function.
2326 (RTX_SIZE): Rename to...
2327 (RTX_CODE_SIZE): ...this.
2329 PR target/9703
2330 PR tree-optimization/17106
2331 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
2332 (Anchored Addresses): New section.
2333 * doc/invoke.texi (-fsection-anchors): Document.
2334 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
2335 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
2336 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
2337 * hooks.c (hook_bool_mode_rtx_false): New function.
2338 * hooks.h (hook_bool_mode_rtx_false): Declare.
2339 * gengtype.c (create_optional_field): New function.
2340 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
2341 SYMBOL_REF_IN_BLOCK_P is true.
2342 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
2343 (min_anchor_offset, max_anchor_offset): Likewise.
2344 (use_anchors_for_symbol_p): New hook.
2345 * toplev.c (compile_file): Call output_object_blocks.
2346 (target_supports_section_anchors_p): New function.
2347 (process_options): Check that -fsection-anchors is only used on
2348 targets that support it and when -funit-at-a-time is in effect.
2349 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
2350 if the decl doesn't have one.
2351 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
2352 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
2353 of force_const_mem through use_anchored_address.
2354 (expand_expr_constant): New function.
2355 (expand_expr_addr_expr_1): Call it. Use the same modifier when
2356 calling expand_expr for INDIRECT_REF.
2357 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
2358 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
2359 * expr.h (use_anchored_address): Declare.
2360 * loop-unroll.c: Don't declare rtx vectors here.
2361 * explow.c: Include output.h.
2362 (validize_mem): Call use_anchored_address.
2363 (use_anchored_address): New function.
2364 * common.opt (-fsection-anchors): New switch.
2365 * varasm.c (object_block_htab, anchor_labelno): New variables.
2366 (hash_section, object_block_entry_eq, object_block_entry_hash)
2367 (use_object_blocks_p, get_block_for_section, create_block_symbol)
2368 (use_blocks_for_decl_p, change_symbol_section): New functions.
2369 (get_variable_section): New function, split out from assemble_variable.
2370 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
2371 use_blocks_for_decl_p say so. Use change_symbol_section if the
2372 symbol has already been created.
2373 (assemble_variable_contents): New function, split out from...
2374 (assemble_variable): ...here. Don't output any code for
2375 block symbols; just pass them to place_block_symbol.
2376 Use get_variable_section and assemble_variable_contents.
2377 (get_constant_alignment, get_constant_section, get_constant_size): New
2378 functions, split from output_constant_def_contents.
2379 (build_constant_desc): Create a block symbol if use_object_blocks_p
2380 says so. Or into SYMBOL_REF_FLAGS.
2381 (assemble_constant_contents): New function, split from...
2382 (output_constant_def_contents): ...here. Don't output any code
2383 for block symbols; just pass them to place_section_symbol.
2384 Use get_constant_section and get_constant_alignment.
2385 (force_const_mem): Create a block symbol if use_object_blocks_p and
2386 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
2387 (output_constant_pool_1): Add an explicit alignment argument.
2388 Don't switch sections here.
2389 (output_constant_pool): Adjust call to output_constant_pool_1.
2390 Switch sections here instead. Don't output anything for block symbols;
2391 just pass them to place_block_symbol.
2392 (init_varasm_once): Initialize object_block_htab.
2393 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
2394 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
2395 (place_block_symbol, get_section_anchor, output_object_block)
2396 (output_object_block_htab, output_object_blocks): New functions.
2397 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
2398 (TARGET_ASM_OUT): Include it.
2399 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
2400 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
2401 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
2402 (TARGET_INITIALIZER): Include them.
2403 * rtl.c (rtl_check_failed_block_symbol): New function.
2404 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
2405 (block_symbol, object_block): New structures.
2406 (rtx_def): Add a block_symbol field to the union.
2407 (BLOCK_SYMBOL_CHECK): New macro.
2408 (rtl_check_failed_block_symbol): Declare.
2409 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
2410 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
2411 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
2412 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
2413 * output.h (output_section_symbols): Declare.
2414 (object_block): Name structure.
2415 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
2416 (default_use_anchors_for_symbol_p): Declare.
2417 * Makefile.in (RTL_BASE_H): Add vec.h.
2418 (explow.o): Depend on output.h.
2419 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
2420 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2421 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2422 (rs6000_use_blocks_for_constant_p): New function.
2424 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2426 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
2428 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2430 PR tree-opt/25680
2431 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
2432 IMAGPART_EXPR.
2434 2006-02-18 Diego Novillo <dnovillo@redhat.com>
2436 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
2437 is_aliased.
2438 Update all users.
2440 2006-02-18 Jakub Jelinek <jakub@redhat.com>
2442 PR middle-end/26334
2443 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
2444 instead of DECL_REGISTER.
2446 2006-02-18 Olivier Hainque <hainque@adacore.com>
2448 PR ada/13408
2449 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
2451 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
2453 PR target/24837
2454 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
2455 * opth-gen.awk: Handle Var and InverseMask together.
2456 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
2457 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
2458 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
2459 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
2460 used together.
2461 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2462 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2463 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
2464 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2465 LINUX_DYNAMIC_LINKER): Define.
2466 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
2467 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
2468 TARGET_GLIBC.
2469 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2470 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
2471 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2472 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2473 (TARGET_C99_FUNCTIONS): Don't define.
2474 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
2475 GLIBC_DYNAMIC_LINKER.
2476 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
2477 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
2478 GLIBC_DYNAMIC_LINKER64): Define.
2479 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2480 LINUX_DYNAMIC_LINKER64.
2481 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2482 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2483 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
2484 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2485 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2486 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2487 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
2488 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
2489 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
2490 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
2491 and LINUX_DYNAMIC_LINKER32.
2492 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2493 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2494 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
2495 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2496 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
2497 TARGET_GLIBC.
2498 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
2499 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
2500 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2501 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2502 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2503 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
2504 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
2505 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
2506 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2507 LINUX_DYNAMIC_LINKER): Define.
2508 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
2509 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
2510 GLIBC_DYNAMIC_LINKER64): Define.
2511 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2512 LINUX_DYNAMIC_LINKER64.
2513 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2514 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2515 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
2516 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2517 LINUX_DYNAMIC_LINKER): Define.
2518 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2519 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2520 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
2521 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
2522 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
2523 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2524 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
2525 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
2526 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2527 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2528 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2529 * doc/invoke.texi (-muclibc): Remove caveat about supported
2530 targets.
2532 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2534 * doc/cpp.texi (__TIMESTAMP__): Document.
2536 2006-02-17 Roger Sayle <roger@eyesopen.com>
2538 PR middle-end/25600
2539 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
2540 C is one less than the width of X (and related transformations).
2541 * simplify-rtx.c (simplify_unary_operation_1): Transform
2542 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
2543 depending on STORE_FLAG_VALUE, were C is one less then the
2544 width of X.
2546 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
2548 Fix PR tree-optimization/26341
2549 * tree-ssa-operands.c (add_virtual_operand): Remove assert
2550 about NAME_MEMORY_TAG's.
2552 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2554 PR target/26255
2555 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
2556 with hardware float support, and software float support. Add fcpy
2557 alternative to hardware patterns. Add alternatives to copy between
2558 general and floating-point registers to the 32-bit pattern.
2559 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
2560 secondary reload to load a QI or HI mode constant into a floating
2561 point register.
2562 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
2563 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
2565 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
2567 PR target/26272
2568 * config/rs6000/darwin.md (load_macho_picbase_si): Add
2569 pc to the pattern.
2570 (load_macho_picbase_di): Likewise.
2572 2006-02-16 Jeff Law <law@redhat.com>
2574 * tree-vrp.c (set_value_range_to_nonnegative): New function.
2575 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
2576 (ssa_name_nonzero_p): Likewise.
2577 (get_value_range): Return NULL if VRP is not running.
2578 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
2579 VRP routines do not discover a range.
2580 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
2581 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
2582 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
2583 (tree_expr_nonnegative_p): Similarly.
2584 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
2585 (restore_nonzero_vars_to_original_value): Remove.
2586 (unsafe_associative_fp_binop): Remove.
2587 (tree_ssa_dominator_optimize): Remove initialization and
2588 finalization of nonzero_vars and nonzero_vars_stack.
2589 (dom_opt_initialize_block): No longer push marker on
2590 nonzero_vars_stack.
2591 (dom_opt_finalize_block): No longer call
2592 restore_nonzero_vars_to_original_value.
2593 (record_equivalences_from_phis): No longer look for
2594 nonzero PHI arguments.
2595 (cprop_into_successor_phis): No longer propagate nonzero
2596 property into PHI arguments. Lose unused argument. Caller
2597 updated.
2598 (record_equivalences_from_stmt): No longer record nonzero
2599 values for SSA_NAMEs.
2600 (lookup_avail_expr): No longer use nonzero_vars.
2602 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
2603 for sizetype when sizetype is unsigned.
2605 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
2607 PR rtl-optimization/25603
2608 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
2609 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
2610 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
2611 with new meaning of SETS.
2613 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
2615 PR target/20353
2616 PR target/24578
2617 PR target/24837
2618 * config/linux.opt: New file.
2619 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2620 LINUX_DYNAMIC_LINKER): Define.
2621 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
2622 * config.gcc (*-*-linux*): Define extra_options.
2623 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
2624 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
2625 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
2626 GLIBC_DYNAMIC_LINKER.
2627 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
2628 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2629 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2630 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2631 * doc/invoke.texi (GNU/Linux Options): New section.
2633 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2635 * config/sparc/sparc.md (setjmp): Rewrite.
2636 (setjmp_32): Delete.
2637 (setjmp_64): Likewise.
2639 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
2641 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
2642 previous change.
2644 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2646 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
2647 read-write uses.
2649 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2651 PR rtl-optimization/26296
2652 * Makefile.in (loop-invariant.c): Add except.h dependency.
2653 * loop-invariant.c: Include except.h.
2654 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
2656 2005-02-16 Paul Brook <paul@codesourcery.com>
2658 * reload1.c (emit_reload_insns): Invalidate dead input registers used
2659 for reloads.
2661 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
2663 PR rtl-optimization/25636
2664 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
2665 when deciding whether an insn is an initializing insn.
2667 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
2669 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
2670 (tree_code_size): Ditto.
2671 * tree.h (struct tree_memory_tag): Remove parent_var.
2672 (struct tree_struct_field_tag): New.
2673 (SFT_OFFSET): New.
2674 (SFT_SIZE): New.
2675 (union tree_node): Add sft member.
2676 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
2677 specially here.
2678 (create_sft): Add size and offset argument, set SFT_OFFSET and
2679 SFT_SIZE.
2680 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
2681 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
2682 * tree-flow-inline.h (get_subvar_at): Update for
2683 SFT_OFFSET/SFT_SIZE.
2684 (var_can_have_subvars): Ditto.
2685 (overlap_subvar): Ditto.
2686 * print-tree.c (print_node): Print out interesting things for
2687 SFT's.
2688 * tree-flow.h (struct subvar): Remove offset and size members.
2689 * tree-ssa-operands.c (get_expr_operands): Update for
2690 get_indirect_ref_operands changes.
2691 (get_indirect_ref_operands): Call add_virtual_operand instead of
2692 add_stmt_operand. Only recurse on base var if requested.
2693 (access_can_touch_variable): New function.
2694 (add_stmt_operand): Split virtual operand handling into ...
2695 (add_virtual_operand): Here. Add offset, size, and for_clobber
2696 arguments. Prune alias sets.
2697 (add_call_clobber_ops): Call add_virtual_operand.
2699 2006-02-15 Jakub Jelinek <jakub@redhat.com>
2701 PR middle-end/26300
2702 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
2704 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
2705 than TREE_CODE as index into omp_clause_num_ops array.
2707 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
2709 PR rtl-optimization/26184
2710 * modulo-sched.c (generate_reg_moves): Free bitmap vector
2711 uses_of_defs.
2712 * modulo-sched.c (sms_schedule): Free g_arr pointer.
2713 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
2714 must_precede, must_follow and tobe_scheduled.
2716 PR other/26147
2717 * opts.c (common_handle_option): Free new_option pointer.
2718 * df-core.c (df_analyze): Free postorder pointer.
2720 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2722 * Makefile.in: Fix the examples about the use of stamps
2724 2006-02-15 Michael Matz <matz@suse.de>
2726 PR middle-end/22275
2728 * stor-layout.c (layout_decl): Zero-width bitfields aren't
2729 influenced by maximum_field_alignment or DECL_PACKED.
2730 (update_alignment_for_field): Ditto.
2731 (place_field): Ditto.
2732 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
2733 this behaviour.
2735 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
2737 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
2738 (debug_flow_info): Pass it.
2739 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
2740 * bb-reorder.c (reorder_basic_blocks): Likewise.
2741 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
2742 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
2743 * flow.c (life_analysis, recompute_reg_usage): Likewise.
2744 * gcse.c (gcse_main, bypass_jumps): Likewise.
2745 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2746 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2747 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2748 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2749 * rtl.h (dump_flow_info): Adjust prototype.
2750 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2751 * var-tracking.c (variable_tracking_main): Likewise.
2752 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2753 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2754 options.
2756 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2758 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2759 construction.
2761 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2763 PR tree-optimization/26209
2764 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2765 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2766 eh edges.
2767 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2769 2006-02-14 Roger Sayle <roger@eyesopen.com>
2771 PR middle-end/23670
2772 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2773 (X,Y) and the corresponding symmetry related transformations.
2774 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2775 (X,Y) and its symmetry related transformations.
2777 2006-02-14 Roger Sayle <roger@eyesopen.com>
2779 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2780 and GEU.
2782 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2784 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2786 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2788 PR bootstrap/26053
2789 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2790 support COMDAT group.
2791 * configure: Regenerate.
2793 2006-02-14 Roger Sayle <roger@eyesopen.com>
2795 PR middle-end/26279
2796 PR middle-end/26280
2797 PR middle-end/26283
2798 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2800 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2802 Fix PR tree-optimization/26260
2804 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2805 param.
2806 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2807 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2808 * tree-ssa-structalias.c (create_variable_info_for): Use
2809 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2811 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2813 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2814 Document.
2815 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2816 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2817 of the ending condition.
2818 * tree-ssa-loop-manip.c: Include params.h.
2819 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2820 tree_unroll_loop): New functions.
2821 * tree-pass.h (pass_loop_prefetch): Declare.
2822 * loop.c (rest_of_handle_loop_optimize): Test for
2823 -fprefetch-loop-arrays-rtl.
2824 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2825 * timevar.def (TV_TREE_PREFETCH): New timevar.
2826 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2827 pass_loop_prefetch): New.
2828 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2829 (cleanup_tree_cfg_loop): Call scev_reset.
2830 * common.opt (fprefetch-loop-arrays-rtl): Add.
2831 * tree-ssa-loop-prefetch.c: New file.
2832 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2833 (new_temp_expr_table): Initialize expr_vars.
2834 (free_temp_expr_table): Cleanup expr_vars.
2835 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2836 expressions from being merged into one.
2837 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2838 (struct tree_niter_desc): Add control, bound and cmp fields.
2839 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2840 Declare.
2841 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2842 (tree-cfgcleanup.o): Add SCEV_H dependency.
2843 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2844 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2846 2006-02-14 Richard Guenther <rguenther@suse.de>
2848 PR tree-optimization/26258
2849 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2850 in PHI argument processing.
2852 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2854 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2855 new expression in the requested machine mode.
2857 2006-02-13 Roger Sayle <roger@eyesopen.com>
2859 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2860 directly, instead let do_compare_rtx_and_jump handle this for us.
2861 * expr.c (expand_expr_real_1): Likewise.
2862 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2863 before do_jump_by_parts_greater.
2864 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2865 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2867 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2869 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2871 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2873 PR rtl-optimization/26235
2874 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2875 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2876 format.
2878 2006-02-13 Jeff Law <law@redhat.com>
2880 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2881 TRUTH_XOR_EPR.
2883 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2885 PR middle-end/26092
2886 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2887 twice if decl is a builtin. When trying again, call get_callee_fndecl
2888 first to verify it is still a builtin.
2890 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2892 * dwarf2out.c (base_type_die): Don't add AT_name here.
2893 (subrange_type_die): Don't add AT_name here.
2894 (modified_type_die): Rearrange code flow. Do add AT_name here.
2896 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2898 PR rtl-optimization/26247
2899 PR rtl-optimization/26248
2900 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2902 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2904 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2905 * config/fixtfdi.c: Likewise.
2906 * config/fixunstfdi.c: Likewise.
2907 * config/floatditf.c: Likewise.
2909 2006-02-13 Roger Sayle <roger@eyesopen.com>
2911 PR middle-end/24427
2912 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2913 into (X,C2) if C1 is a subset of the bits of C2. Transform
2914 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2915 (X&(C1&~C2))|C2.
2916 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2918 2006-02-13 Josh Conner <jconner@apple.com>
2920 PR target/25376
2921 * varasm.c (function_section): Check for section name before
2922 calling select_section on targets that define
2923 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2924 unlikely_text_section instead of hot_function_section if
2925 first_function_block_is_cold.
2927 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2929 PR middle-end/25335
2930 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2932 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2934 PR rtl-optimization/26222
2935 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2936 after tree->rtl expansion.
2937 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2938 before passing it to emit_move_insn.
2940 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2942 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2943 default.
2944 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2945 Clarify documentation.
2946 * c-common.h (warn_write_strings): Remove.
2947 * c-common.c (warn_write_strings): Likewise.
2948 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2949 default for C++.
2951 2006-02-12 Roger Sayle <roger@eyesopen.com>
2953 PR middle-end/25724
2954 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2955 (do_jump_parts_zero_rtx): New function renamed from
2956 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2957 (do_jump_parts_equality_rtx): New function split out from
2958 do_jump_parts_equality. Old implementation renamed as above.
2959 Call do_jump_parts_zero_rtx if either operand is zero.
2960 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2961 do all of the heavy lifting.
2962 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2963 calling either do_jump_by_parts_greater_rtx or
2964 do_jump_by_parts_equality_rtx.
2965 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2966 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2967 moved to do_compare_rtx_and_jump, call it directly.
2968 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2969 mode argument. Call do_compare_rtx_and_jump.
2970 (emit_case_nodes): Update calls to do_jump_if_equal.
2972 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2974 PR rtl-optimization/26225
2975 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2977 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2979 PR rtl-optimization/26232
2980 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2982 2006-02-11 Jason Merrill <jason@redhat.com>
2984 PR tree-opt/24365
2985 * tree-inline.c (declare_return_variable): Just don't use the
2986 modify target if it's a gimple complex reg and the return slot
2987 isn't.
2989 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2991 * doc/contrib.texi: Update my entry.
2993 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2995 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2997 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2999 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
3000 expensive.
3002 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
3004 * doc/invoke.texi (-floop-optimize2): Removed.
3005 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
3006 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
3007 Test flag_branch_on_count_reg only if HAVE_doloop_end.
3008 * common.opt (floop-optimize2): Removed.
3009 (fmove-loop-invariants): Enabled by default.
3011 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
3013 * tree-if-conv.c (combine_blocks): Free the result of
3014 get_loop_exit_edges.
3016 2006-02-10 Jeff Law <law@redhat.com>
3018 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
3020 PR tree-optimization/26213
3021 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
3022 loop trying to follow SSA_NAME_VALUE chains.
3024 2006-02-10 Richard Guenther <rguenther@suse.de>
3026 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
3027 deal with structures that end in implicitly variable sized arrays.
3029 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3031 PR rtl-optimization/24762
3032 * df-scan.c (df_bb_refs_record): Record correct registers defined on
3033 eh edges.
3035 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3037 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
3038 (struct ivopts_data): Add regs_used field.
3039 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
3040 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
3041 instead of loop_data->regs_used;
3042 (free_loop_data): Do not free aux fields for loops.
3043 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
3044 and tree_ssa_iv_optimize_finalize.
3046 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
3048 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
3050 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3052 PR target/26141
3053 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
3054 computing the effective result type.
3056 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3058 PR inline-asm/16194
3059 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
3060 (tree_overlaps_hard_reg_set): Declare.
3061 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
3062 type and signature to match function type expected by walk_tree.
3063 (tree_overlaps_hard_reg_set): New function.
3064 (decl_conflicts_with_clobbers_p): Rename to:
3065 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
3066 Use tree_overlaps_hard_reg_set. Changed caller.
3067 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
3068 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
3069 * cris.c (cris_md_asm_clobbers): Likewise.
3071 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
3073 * reload1.c (emit_input_reload_insns): Delete code that tries to
3074 inherit using find_equiv_reg.
3076 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
3078 * c-common.h (flag_const_strings): Don't declare.
3079 * c-common.c (flag_const_strings): Remove.
3080 * c.opt (fconst_strings): Remove.
3081 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
3082 <OPT_Wwrite_strings>: Don't set flag_const_strings.
3083 (c_common_init_options): Don't set flag_const_strings.
3084 * doc/invoke.texi (-fno-const-strings): Remove documentation.
3086 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
3088 * arm.md (tlobits_cbranch): New pattern.
3089 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
3090 testing a single bit.
3092 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3094 PR tree-opt/26179
3095 * tree-ssa-pre.c (create_component_ref_by_pieces):
3096 Handle RETURN_DECL like VAR_DECL.
3098 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3100 PR middle-end/26134
3101 * fold-const.c (fold_indirect_ref_1): Fold
3102 "*(foo *)&complexfoo" to "__real__ complexfoo"
3103 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
3105 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3107 * tree-flow-inline.h (var_can_have_subvars):
3108 Volatile variables should not have subvariables.
3110 2006-02-09 Diego Novillo <dnovillo@redhat.com>
3112 PR 26180
3113 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
3114 multiplying unsigned values.
3115 Tidy comments.
3117 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3119 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
3121 2006-02-08 Jason Merrill <jason@redhat.com>
3123 PR c++/25979
3124 * tree.def: Elaborate on difference from MODIFY_EXPR.
3125 * doc/c-tree.texi (INIT_EXPR): Likewise.
3126 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
3127 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
3128 (gimplify_target_expr): Likewise.
3129 (gimplify_cond_expr): Remove target handling.
3130 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
3131 (gimplify_expr): Clobber it here.
3132 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
3133 Do return slot optimization if we have an INIT_EXPR.
3135 PR tree-opt/24365
3136 * tree-inline.c (declare_return_variable): Also clear
3137 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
3139 PR c++/16405
3140 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
3142 PR middle-end/22439
3143 * gimplify.c (gimplify_one_sizepos): Fix typo.
3145 2006-02-08 Jeff Law <law@redhat.com>
3147 PR tree-optimization/21417
3148 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
3149 across a backedge if the control statement at the end of the
3150 block is data dependent on other statements in the same block.
3151 (record_temporary_equivalences_from_stmts): Remove over-conservative
3152 test for threading across backedges.
3154 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
3155 control statement, handle all three special cases in the same
3156 manner as they all have the same desired solution. No longer
3157 special case edge flag updating when the post dominator is
3158 the exit block.
3160 2006-02-08 Roger Sayle <roger@eyesopen.com>
3162 * tree.def (CHAR_TYPE): Remove.
3163 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
3164 * dwarf2out.c (base_type_die, is_base_type): Likewise.
3165 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
3166 (gen_string_type_die): Delete unreachable function.
3168 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
3169 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
3170 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
3171 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
3172 * builtins.c (type_to_class): Likewise.
3173 * fold-const.c (fold_convert, build_range_check,
3174 merge_ranges): Likewise.
3175 * expr.c (count_type_elements): Likewise.
3176 * c-pretty-print.c (pp_c_type_specifier): Likewise.
3177 * stor-layout.c (layout_type): Likewise.
3178 * ipa-type-escape.c (type_to_consider): Likewise.
3179 * gimplify.c (omp_firstprivatize_type_sizes,
3180 gimplify_type_sizes): Likewise.
3181 * explow.c (promote_mode): Likewise.
3182 * tree-sra.c (is_sra_scalar_type): Likewise.
3183 * varasm.c (output_constant): Likewise.
3184 * tree-inline.c (remap_type_1): Likewise.
3185 * convert.c (convert_to_pointer, convert_to_real,
3186 convert_to_integer, convert_to_complex): Likewise.
3188 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
3190 * df-scan.c (df_def_record_1): A set destination may
3191 be a parallel regardless of mode.
3193 2006-02-08 Roger Sayle <roger@eyesopen.com>
3195 PR target/22209
3196 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
3197 * config/mips/_tilib.c: Remove.
3198 * config/fixtfdi.c: New libgcc source file.
3199 * config/fixunstfdi.c: New source file.
3200 * config/floatditf.c: New source file.
3201 * config/floatunditf.c: New souce file.
3202 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3203 files above instead of config/mips/_tilib.c.
3204 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3206 2006-02-08 Jeff Law <law@redhat.com>
3208 PR tree-optimization/26169
3209 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
3210 threading jumps.
3212 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
3214 * df.h (DF_REG_SIZE): Return the length of the initialized
3215 part of the array.
3217 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
3219 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
3220 __muldf3): Return a correctly signed zero.
3222 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
3224 * passes.c (register_one_dump_file): Accept the current properties
3225 instead of pass number. Adjust call to dump_register. Remove
3226 duplicated code.
3227 (register_dump_files): Now a wrapper around...
3228 (register_dump_files_1): ... this one. Do not modify the pass
3229 structure.
3230 (next_pass_1): Cosmetic fix.
3231 (execute_todo): Keep second parameter only. Use curr_properties
3232 instead of fetching it from the pass structure. Check and set
3233 last_verified.
3234 (execute_one_pass): Handle TODO_set_props. Use curr_properties
3235 instead of fetching it from the pass structure. Fix calls to
3236 execute_todo. Update curr_properties and initialize .vcg RTL dump
3237 after running the pass. Reset last_verified.
3238 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
3239 at the beginning.
3240 (FIRST_AUTO_NUMBERED_DUMP): New.
3241 (dump_register): Remove "num" parameter, assign it within the
3242 function.
3243 (get_dump_file_name): Modify template for dumps.
3244 * tree-dump.h (dump_register): Adjust prototype.
3245 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
3246 (PROP_trees): Add PROP_gimple_lomp.
3247 (TODO_set_props): New.
3248 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
3249 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
3250 * cfgexpand.c (pass_expand): Destroy PROP_trees.
3252 2006-02-08 Jakub Jelinek <jakub@redhat.com>
3254 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
3255 (sparc64-*-linux*): Likewise.
3256 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
3257 * config/sparc/t-linux: New file.
3258 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
3259 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
3260 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
3261 -m32 -mlong-double-128.
3263 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
3264 * config/alpha/t-linux: New file.
3265 * config/alpha/libgcc-alpha-ldbl.ver: New file.
3267 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
3268 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
3269 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
3270 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
3271 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
3272 (CPP_ARCH32_SPEC): Remove.
3274 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
3276 PR tree-optimization/26145
3277 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
3278 bbs pointer.
3280 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3282 PR target/26109
3283 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
3284 >= 240000 when generating code for SOM runtime.
3285 (output_indirect_call): Don't use "b,l" instruction for indirect calls
3286 to $$dyncall when generating code for SOM runtime..
3288 2006-02-07 Dirk Mueller <dmueller@suse.com>
3290 PR c++/18150
3291 * doc/invoke.texi (-Wsequence-point): Update documentation
3292 that -Wsequence-point is implemented for C++ as well.
3294 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3296 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
3297 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
3298 (LIB_SPEC): Likewise.
3299 * doc/invoke.texi (SPARC options): Document -pthread.
3301 2006-02-07 Geoffrey Keating <geoffk@apple.com>
3303 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
3304 PIC addresses.
3306 2006-02-07 Roger Sayle <roger@eyesopen.com>
3308 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
3309 Correct comment describing BOOLEAN_TYPE.
3311 2006-02-07 Dirk Mueller <dmueller@suse.com>
3313 * c.opt: C++ frontend supports -Wdiv-by-zero.
3314 * c-opts.c (c_common_handle_option): Remove dead case.
3316 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3318 * configure.ac (TLS assembler check): Do not enable TLS by
3319 default on SPARC/Solaris before version 10.
3320 * configure: Regenerate.
3322 2006-02-07 David Edelsohn <edelsohn@gnu.org>
3324 * doc/invoke.texi (xl-compat): Document conversion and support
3325 routine names.
3327 2006-02-07 Jeff Law <law@redhat.com>
3329 * tree-vrp.c (find_conditional_asserts): Update comments.
3330 (simplify_stmt_for_jump_threading): New.
3331 (identify_jump_threads, finalize_jump_threads): New.
3332 (vrp_finalize): Call identify_jump_threads.
3333 (execute_vrp): Call finalize_jump_threads.
3334 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
3335 (vrp_element, vrp_data, vrp_element_p): Remove.
3336 (vrp_hash_elt, vrp_variables_stack): Remove.
3337 (vrp_hash, vrp_eq, record_range): Remove.
3338 (simplify_cond_and_lookup_avail_expr): Remove.
3339 (extract_range_from_cond): Remove.
3340 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
3341 (simplify_stmt_for_jump_threading): New.
3342 (dom_thread_across_edge): New wrapper.
3343 (tree_ssa_dominator_optimize): No longer initialize or
3344 finalize any of the VRP datastructures. Remove iteration
3345 step and simplify as a result of removal of iteration step.
3346 (pass_dominator): Perform a cfg cleanup after DOM.
3347 (dom_opt_finalize_block): Use the new common routines
3348 for threading jumps. Simplify stack management slightly.
3349 No longer need to unwind VRP state.
3350 (record_equivalences_from_incoming_edge): No longer record
3351 VRP information.
3352 (eliminate_redundant_computations): No longer call
3353 simplify_cond_and_lookup_avail_expr.
3354 * tree-flow.h (potentially_threadable_block): Prototype.
3355 (thread_across_edge): Likewise.
3356 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
3357 (tree-ssa-threadedge.o): Add dependencies.
3358 * tree-ssa-threadedge.c: New file.
3359 * passes.c (init_optimization_passes): Merge PHIs before
3360 calling VRP. Run VRP again late in the SSA optimization pipeline.
3362 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3364 * df-core.c (df_set_blocks): Do not dereference function pointers.
3365 (df_finish1): Likewise.
3366 (df_hybrid_search_forward): Likewise.
3367 (df_hybrid_search_backward): Likewise.
3368 (df_iterative_dataflow): Likewise.
3369 (df_analyze_problem): Likewise.
3370 (df_compact_blocks): Likewise.
3371 (df_dump): Likewise.
3372 * df-scan.c (df_rescan_blocks): Likewise.
3373 (df_record_entry_block_defs): Likewise.
3375 * genconditions.c (write_conditions): Guard the definition of
3376 'insn_conditions' with the check on GCC version.
3377 (write_writer): Guard the traversal 'insn_conditions' with
3378 the check on GCC version.
3380 2006-02-07 Richard Guenther <rguenther@suse.de>
3382 PR c++/26140
3383 Revert
3384 2006-01-30 Richard Guenther <rguenther@suse.de>
3385 PR c++/23372
3386 * gimplify.c (gimplify_target_expr): Handle easy cases
3387 without creating a temporary.
3389 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
3391 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
3392 use of float in probability computations. Use edge probabilities
3393 in place of statically computed probabilities.
3394 (min_spec_prob): New static variable.
3395 (schedule_insns): Initialize it.
3396 (GET_SRC_PROB): Removed.
3397 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
3399 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
3401 PR debug/24444
3402 * config/ia64/unwind-ia64.c: Revert last change.
3403 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
3404 (INCOMING_FRAME_SP_OFFSET): Define.
3406 2006-02-06 Roger Sayle <roger@eyesopen.com>
3408 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
3410 2006-02-07 Ben Elliston <bje@au.ibm.com>
3412 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
3413 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
3414 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
3415 (ix86_return_in_memory): Handle TDmode.
3416 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
3417 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
3419 2006-02-06 Richard Sandiford <richard@codesourcery.com>
3421 * reorg.c (dbr_schedule): Use dump_file instead of file.
3423 2006-02-06 Steve Ellcey <sje@cup.hp.com>
3425 PR target/25917
3426 * config/ia64/predicates.md (extr_len_operand): New predicate.
3427 * config/ia64/ia64.md (extv): Tighten constraints.
3428 (extzv): Ditto.
3429 (*tbit_and_2): Ditto.
3430 (*tbit_and_3): Ditto.
3431 (*tbit_or_2): Ditto.
3432 (*tbit_or_3): Ditto.
3433 (*bit_zero): Ditto.
3434 (*bit_one): Ditto.
3436 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
3438 PR target/23359
3439 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
3441 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3443 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
3444 loop_optimizer_init and loop_optimizer_finalize
3445 * tree-ssa-sink.c (execute_sink_code): Ditto.
3446 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3447 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
3448 tree_ssa_loop_done): Ditto.
3449 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
3450 * sched-ebb.c: Include output.h.
3451 (schedule_ebbs): Do not use dump argument.
3452 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
3453 * loop.c (loop_dump_stream): Removed.
3454 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
3455 argument.
3456 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
3457 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
3458 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
3459 loop_iterations, strength_reduce, record_biv, record_giv,
3460 final_giv_value, check_final_value, check_ext_dependent_givs,
3461 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
3462 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
3463 dump_file instead of loop_dump_stream.
3464 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
3465 argument dump_file.
3466 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
3467 dump argument.
3468 * flow.c (life_analysis, rest_of_handle_life): Ditto.
3469 * haifa-sched.c: Include output.h
3470 (schedule_insns, sched_init): Do not use dump argument.
3471 * mode-switching.c (optimize_mode_switching): Ditto.
3472 * modulo-sched.c (stats_file): Removed.
3473 (print_node_sched_params): Do not call argument dump_file.
3474 (sms_schedule_by_order, loop_canon_p, sms_schedule,
3475 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
3476 of stats_file.
3477 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
3478 use dump argument.
3479 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
3480 rtl_loop_init, rtl_loop_done): Ditto.
3481 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
3482 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
3483 Ditto.
3484 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
3485 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
3486 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
3487 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
3488 * emit-rtl.c (renumber_insns): Ditto.
3489 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
3490 expand_gimple_basic_block, tree_expand_cfg): Ditto.
3491 * regclass.c (regclass): Ditto.
3492 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
3493 remove_ssa_form, rewrite_out_of_ssa): Ditto.
3494 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
3495 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
3496 Ditto.
3497 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
3498 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
3499 to regclass.
3500 * gcse.c (gcse_file, debug_stderr): Removed.
3501 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
3502 rest_of_handle_gcse): Do not use dump argument.
3503 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
3504 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
3505 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
3506 compute_code_hoist_vbeinout, compute_code_hoist_data,
3507 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
3508 compute_store_table, build_store_vectors, insert_insn_start_bb,
3509 insert_store, remove_reachable_equiv_notes, replace_store_insn,
3510 store_motion): Use dump_file instead of gcse_file.
3511 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
3512 * profile.c (profile_dump_file): Removed.
3513 (branch_prob): Use dump_file instead of profile_dump_file.
3514 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
3515 dump_file.
3516 * tree-ssa-copy.c (dump_copy_of): Ditto.
3517 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
3518 dump file to life_analysis.
3519 * bt-load.c (branch_target_load_optimize): Ditto.
3520 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
3521 renumber_insns.
3522 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
3523 regclass, dbr_schedule): Declaration changed.
3524 * sched-int.h (sched_init): Declaration changed.
3525 * tree-profile.c (tree_profile_dump_file): Removed.
3526 (tree_profile_hooks): Removed profile_dump_file hook.
3527 * rtl-profile (rtl_profile_dump_file): Removed.
3528 (rtl_profile_hooks): emoved profile_dump_file hook.
3529 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
3530 changed.
3531 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
3532 * tree-cfg.c (build_tree_cfg): Ditto.
3533 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
3534 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
3535 Declaration changed.
3536 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
3537 life_analysis and schedule_insns.
3538 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
3539 life_analysis.
3540 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
3541 dbr_schedule.
3542 * config/mips/mips.c (mips_reorg): Ditto.
3543 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
3544 schedule_ebbs.
3546 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
3548 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3549 (s390_mangle_fundamental_type): New.
3550 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3551 Define.
3553 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3554 (alpha_mangle_fundamental_type): New.
3555 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3556 Define.
3558 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3559 Define.
3560 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3561 Define.
3562 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3563 (sparc_mangle_fundamental_type): New.
3565 2006-02-06 Jakub Jelinek <jakub@redhat.com>
3567 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
3568 (s390x-*-linux*): Likewise.
3569 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
3570 * config/s390/t-linux: New file.
3572 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3574 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
3575 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
3577 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
3579 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
3580 (ANTIC_SAFE_LOADS): New macro.
3581 (find_or_generate_expression): Add prototype.
3582 (set_contains_value): Allow null set for sake of not always having
3583 to allocate ANTIC_SAFE_LOADS.
3584 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
3585 Allow COMPONENT_REF too.
3586 (valid_in_set): Allow COMPONENT_REF.
3587 Check ANTIC_SAFE_LOADS too.
3588 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
3589 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
3590 rename.
3591 (can_PRE_operation): Add COMPONENT_REF.
3592 (create_component_ref_by_pieces): New function.
3593 (create_expression_by_pieces): Use create_component_ref_by_pieces.
3594 (insert_aux): Move AGGREGATE_TYPE_P check here.
3595 (compute_avail): Set bb local stmt uids.
3596 (pass_pre): Use TODO_update_ssa_only_virtuals.
3598 2006-02-06 Ben Elliston <bje@au.ibm.com>
3600 * configure.ac: Unconditionally disable decimal float by default.
3601 * configure: Regenerate.
3603 2006-02-06 Ben Elliston <bje@au.ibm.com>
3605 * read-rtl.c (read_name): Terminate reading on EOF.
3607 2006-02-06 Ben Elliston <bje@au.ibm.com>
3609 * dfp.c (decimal_real_arithmetic): Change second argument type
3610 from int to enum tree_code. Do not always return true, but now
3611 return result of any call to decimal_do helper functions.
3612 * dfp.h (decimal_real_arithmetic): Update prototype.
3614 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
3616 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
3618 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
3620 PR tree-opt/25251
3621 * tree-cfg.c (cleanup_dead_labels): Also don't remove
3622 forced labels.
3624 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3626 * tree-vrp.c (cfg_loops): Removed.
3627 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
3628 Use current_loops instead of cfg_loops. Pass flags to
3629 loop_optimizer_init.
3630 * cfgloopmanip.c (fix_loop_structure): Update only available
3631 information.
3632 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
3633 loop_optimizer_init.
3634 * modulo-sched.c (build_loops_structure): Removed.
3635 (sms_schedule): Use loop_optimizer_init.
3636 * loop-init.c (loop_optimizer_init): Use flags to determine
3637 which properties of loops to prepare.
3638 (rtl_loop_init): Pass flags to loop_optimizer_init.
3639 * tree-ssa-sink.c (execute_sink_code): Ditto.
3640 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
3641 * tree-ssa-pre.c (init_pre): Ditto.
3642 * cfgloop.h (LOOPS_NORMAL): New.
3643 (loop_optimizer_init): Declaration changed.
3645 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3647 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
3648 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
3649 pa/t-pa.
3650 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
3651 pa/t-pa.
3652 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
3653 pa/x-ada.
3654 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
3655 * pa/t-pa64: Delete quadlib.c rule.
3656 * pa/x-ada: Revert last change.
3657 * pa/t-pa: Revert last change. Delete quadlib.c rule.
3659 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3661 PR rtl-optimization/26087
3662 * rtlanal.c (canonicalize_condition): Do not cross basic block
3663 boundaries.
3665 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
3667 PR debug/24444
3668 * config/ia64/ia64.c: Include debug.h.
3669 (MAX_ARTIFICIAL_LABEL_BYTES): New.
3670 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
3671 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
3672 (process_epilogue, process_set, process_for_unwind_directive):
3673 Output unwind info only if requested. Add CFA info if requested.
3674 Add new arguments as needed. Adjust callers.
3675 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
3676 incorrect default.
3677 (DWARF2_FRAME_INFO): Define to zero.
3678 * config/ia64/unwind-ia64.c: Remove code that compensated for
3679 the CFA offset error fixed above.
3680 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
3681 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
3682 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
3683 -funwind-tables and -fexceptions to enable frame info.
3684 (dwarf2out_frame_init): Define initial CFA even if
3685 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
3686 DWARF2_UNWIND_INFO is nonzero, not just defined.
3687 (dwarf2out_frame_finish): Output non-EH call frame info only
3688 if DWARF2_FRAME_INFO is nonzero.
3689 (convert_cfa_to_loc_list,
3690 compute_frame_pointer_to_cfa_displacement): Define even if
3691 unwind info is not supported.
3692 (gen_subprogram_die): Use the above unconditionally. Remove
3693 legacy alternate code.
3694 * toplev.c (compile_file): Compile in call to
3695 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
3696 (lang_dependent_init): Ditto for dwarf2out_frame_init.
3698 2006-02-04 David Edelsohn <edelsohn@gnu.org>
3699 Jakub Jelinek <jakub@redhat.com>
3701 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
3702 IBM extended float format long double as "g" on powerpc*-linux.
3704 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3706 PR target/25926
3707 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
3708 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
3710 2006-02-03 Jason Merrill <jason@redhat.com>
3712 PR c++/25979
3713 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
3715 PR middle-end/25977
3716 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
3717 on the return slot if it's an NRV.
3719 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
3721 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
3722 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
3723 rewrite_use): Do not handle USE_OUTER.
3724 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
3725 add_iv_outer_candidates, may_replace_final_value,
3726 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
3727 (find_interesting_uses_op): Functionality of
3728 find_interesting_uses_outer_or_nonlin moved here.
3729 (find_interesting_uses_outside): Use find_interesting_uses_op.
3731 2006-02-03 Alan Modra <amodra@bigpond.net.au>
3733 PR target/25960
3734 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
3736 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
3737 Ulrich Weigand <uweigand@de.ibm.com>
3739 PR target/25864
3740 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
3741 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
3742 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
3743 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3744 and dxr fields.
3745 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3746 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3747 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3748 Define secondary reloads for TFmode moves.
3749 (constant_modes): Add TFmode.
3750 (NR_C_MODES): Set to 8.
3751 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3752 builtin define.
3753 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3754 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3755 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3756 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3757 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3758 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3759 (FPR mode macro): Add TFmode.
3760 (DSF mode macro): New.
3761 (<de>, <dee> mode attributes): Removed.
3762 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3763 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3764 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3765 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3766 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3767 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3768 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3769 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3770 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3771 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3772 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3773 "*negabs<mode>2", "sqrt<mode>2"):
3774 Changed <de> to <xde>. R constraint replaced by <Rf>.
3775 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3776 <Rf>.
3777 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3778 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3779 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3780 splitters.
3781 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3782 "extenddftf2", "extendsftf2"): New expanders.
3783 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3784 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3785 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3786 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3787 New options.
3788 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3789 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3790 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3791 __floatditf): Add a GCC_4.1.0 symbol version tag.
3792 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3793 the new options.
3795 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3797 PR target/25377
3798 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3799 Use targetm.binds_local_p instead of TREE_PUBLIC.
3801 2006-02-02 Roger Sayle <roger@eyesopen.com>
3803 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3804 on INTEGER_TYPEs to indicate that it denotes a character type.
3805 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3806 signed_char_type_node, unsigned_char_type_node and char_type_node.
3807 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3808 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3809 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3811 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3812 Daniel Berlin <dberlin@dberlin.org>
3814 * tree-tailcall.c (arg_needs_copy_p): New function.
3815 (eliminate_tail_call): Use arg_needs_copy_p.
3816 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3817 (add_virtual_phis): New function.
3819 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3821 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3822 #ignore instead of #scratch for %g7 .register directive.
3824 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3826 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3827 object files.
3829 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3831 * flow.c (calculate_global_regs_live): Assert that there aren't any
3832 EDGE_FAKE edges.
3834 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3836 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3837 what its name says.
3838 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3839 bsi_after_labels iterator.
3840 * tree-if-conv.c (find_phi_replacement_condition,
3841 replace_phi_with_cond_modify_expr): Likewise.
3842 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3843 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3845 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3847 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3849 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3851 PR 25990
3852 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3853 array after growing it.
3855 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3857 PR middle-end/24901
3858 * fold-const.c (fold_checksum_tree): Change type of buf.
3860 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3862 * reload.c (push_secondary_reload): Initialize t_icode.
3864 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3866 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3867 -msoft-float -mlong-double-128 only issue a warning, but don't
3868 swich to DFmode long double.
3870 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3872 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3873 has a constant equivalent, iterate over equivalents for arg0,
3874 calling simplify_relational_operation and if there's a result
3875 cheaper than X, apply fold_rtx and return the result.
3877 2006-02-01 Jan Hubicka <jh@suse.cz>
3879 * opts.c (no_unit_at_a_time_default): New global variable.
3880 (decode_options): Use it.
3881 * opts.h (no_unit_at_a_time_default): Declare.
3883 2006-02-01 Paul Brook <paul@codesourcery.com>
3885 * function.c (assign_parm_setup_reg): Use function argument promotion
3886 rules.
3887 * expr.c (expand_expr_real_1): Use function argument promotion rules
3888 for PARM_DECLs.
3890 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3892 * gcc.c (process_command): Change j to 'unsigned int'.
3894 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3896 PR middle-end/26001
3897 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3898 Use the corrected index for the character
3899 out of the string constant.
3901 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3903 * mode-switching.c (optimize_mode_switching): Fix size
3904 allocated for bb_info[n_entities].
3906 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3908 * gcc.c (main): Correct type that is allocated for
3909 explicit_link_files.
3911 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3913 * config/s390/s390.c (init_alignment_context): Set
3914 ALIAS_SET_MEMORY_BARRIER on the MEM.
3915 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3917 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3919 PR middle-end/25933
3920 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3921 dom_bbs pointer.
3922 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3923 call to tpa_init.
3925 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3927 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3928 * regrename.c: Ditto.
3929 * tree-ssa-loop-im.c: Ditto.
3930 * tree-dump.c: Ditto.
3931 * tree-complex.c: Ditto.
3932 * genrecog.c: Ditto.
3933 * tree-ssa-threadupdate.c: Ditto.
3934 * tracer.c: Ditto.
3935 * java/class.c: Ditto.
3936 * java/jcf-parse.c: Ditto.
3937 * java/resource.c: Ditto.
3938 * java/except.c: Ditto.
3939 * java/jvspec.c: Ditto.
3940 * java/jcf-write.c: Ditto.
3941 * java/jcf-path.c: Ditto.
3942 * java/gjavah.c: Ditto.
3943 * java/zextract.c: Ditto.
3944 * java/jcf-io.c: Ditto.
3945 * java/jcf.h: Ditto.
3946 * java/buffer.c: Ditto.
3947 * java/lang.c: Ditto.
3948 * java/parse-scan.y: Ditto.
3949 * java/lex.c: Ditto.
3950 * java/lex.h: Ditto.
3951 * cfgloopmanip.c: Ditto.
3952 * postreload-gcse.c: Ditto.
3953 * tree-ssa-loop-manip.c: Ditto.
3954 * postreload.c: Ditto.
3955 * tree-ssa-loop-ch.c: Ditto.
3956 * loop.c: Ditto.
3957 * ipa-cp.c: Ditto.
3958 * cppspec.c: Ditto.
3959 * diagnostic.c: Ditto.
3960 * final.c: Ditto.
3961 * genoutput.c: Ditto.
3962 * gcc.c: Ditto.
3963 * cfghooks.c: Ditto.
3964 * cfgloopanal.c: Ditto.
3965 * objc/objc-act.c: Ditto.
3966 * gcov.c: Ditto.
3967 * genextract.c: Ditto.
3968 * genautomata.c: Ditto.
3969 * pretty-print.c: Ditto.
3970 * genemit.c: Ditto.
3971 * cgraphunit.c: Ditto.
3972 * flow.c: Ditto.
3973 * df-scan.c: Ditto.
3974 * haifa-sched.c: Ditto.
3975 * dominance.c: Ditto.
3976 * dbxout.c: Ditto.
3977 * tree-ssa-loop-ivopts.c: Ditto.
3978 * df-core.c: Ditto.
3979 * mode-switching.c: Ditto.
3980 * modulo-sched.c: Ditto.
3981 * graph.c: Ditto.
3982 * ipa-pure-const.c: Ditto.
3983 * cse.c: Ditto.
3984 * fix-header.c: Ditto.
3985 * web.c: Ditto.
3986 * tree-stdarg.c: Ditto.
3987 * ipa-utils.c: Ditto.
3988 * loop-init.c: Ditto.
3989 * ipa-inline.c: Ditto.
3990 * cfganal.c: Ditto.
3991 * global.c: Ditto.
3992 * alloc-pool.c: Ditto.
3993 * dwarf2out.c: Ditto.
3994 * opts.c: Ditto.
3995 * genattrtab.c: Ditto.
3996 * tree-ssa-loop-ivcanon.c: Ditto.
3997 * predict.c: Ditto.
3998 * timevar.c: Ditto.
3999 * lcm.c: Ditto.
4000 * fortran/gfortranspec.c: Ditto.
4001 * regmove.c: Ditto.
4002 * local-alloc.c: Ditto.
4003 * langhooks.c: Ditto.
4004 * function.c: Ditto.
4005 * tree-vectorizer.c: Ditto.
4006 * gcse.c: Ditto.
4007 * ipa-type-escape.c: Ditto.
4008 * alias.c: Ditto.
4009 * tree-if-conv.c: Ditto.
4010 * profile.c: Ditto.
4011 * ipa.c: Ditto.
4012 * tree-data-ref.c: Ditto.
4013 * loop-unroll.c: Ditto.
4014 * treelang/treetree.c: Ditto.
4015 * calls.c: Ditto.
4016 * bt-load.c: Ditto.
4017 * ggc-common.c: Ditto.
4018 * except.c: Ditto.
4019 * coverage.c: Ditto.
4020 * cselib.c: Ditto.
4021 * tree-cfgcleanup.c: Ditto.
4022 * tree-ssa-pre.c: Ditto.
4023 * cfgcleanup.c: Ditto.
4024 * loop-invariant.c: Ditto.
4025 * loop-iv.c: Ditto.
4026 * ipa-prop.c: Ditto.
4027 * print-tree.c: Ditto.
4028 * conflict.c: Ditto.
4029 * ggc-page.c: Ditto.
4030 * sched-deps.c: Ditto.
4031 * regclass.c: Ditto.
4032 * tree-object-size.c: Ditto.
4033 * combine.c: Ditto.
4034 * bb-reorder.c: Ditto.
4035 * resource.c: Ditto.
4036 * var-tracking.c: Ditto.
4037 * cfgloop.c: Ditto.
4038 * df-problems.c: Ditto.
4039 * reg-stack.c: Ditto.
4040 * tlink.c: Ditto.
4041 * gccspec.c: Ditto.
4042 * sched-rgn.c: Ditto.
4043 * tree-ssa-structalias.c: Ditto.
4044 * tree-ssa-reassoc.c: Ditto.
4045 * config/darwin-c.c: Ditto.
4046 * config/darwin.c: Ditto.
4047 * config/arm/arm.c: Ditto.
4048 * cfgrtl.c: Ditto.
4049 * collect2.c: Ditto.
4050 * reload1.c: Ditto.
4052 2006-01-31 Nicolas Pitre <nico@cam.org>
4054 * arm.md (smaxsi3): Make aware of smax_m1.
4055 (smax_m1): New.
4057 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
4059 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
4061 2006-01-31 Richard Guenther <rguenther@suse.de>
4063 * doc/invoke.texi (-msselibm): Document.
4064 * target.h (expand_library_builtin): New target hook.
4065 * builtins.c (expand_builtin): Use expand_library_builtin.
4066 (default_expand_library_builtin): New function.
4067 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4068 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4069 (link_gcc_math_spec): Declare.
4070 (static_specs): Add link_gcc_math_spec.
4071 * expr.h (default_expand_library_builtin): Declare.
4072 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4073 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4074 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4075 * config/i386/i386.opt (msselibm): New target option.
4076 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4077 (ix86_init_sse_abi_builtins): New function.
4078 (ix86_expand_library_builtin): Likewise.
4079 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4080 (override_options): Handle error conditions wrt -msselibm.
4081 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4082 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4083 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4084 builtins.
4086 2006-01-31 Richard Guenther <rguenther@suse.de>
4087 Paolo Bonzini <bonzini@gnu.org>
4089 * doc/install.texi (--disable-libgcc-math): Document.
4091 2006-01-30 Marcin Dalecki <martin@dalecki.de>
4093 * expr.h (expand_normal): new inline function.
4094 * builtins.c: use it, use EXPAND_NORMAL explicitely.
4095 * dojump.c: use it.
4096 * dwarf2out.c: use it.
4097 * expr.c: use it.
4098 * calls.c: use it.
4099 * expmed.c: use it.
4100 * except.c: use it.
4101 * config/sparc/sparc.c: use it.
4102 * config/i386/i386.c: use it.
4103 * config/rs6000/rs6000.c: use it.
4104 * config/arm/arm.c: use it.
4105 * config/mips/mips.c: use it.
4106 * stmt.c: use it, use EXPAND_NORMAL explicitely.
4108 2006-01-30 Roger Sayle <roger@eyesopen.com>
4110 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
4111 argv to the appropriate type.
4113 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
4115 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
4116 unreachable code.
4118 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
4120 PR target/26018
4121 * config/s390/s390.c (struct machine_function): New flag
4122 decomposed_literal_pool_addresses_ok_p.
4123 (s390_reorg): Set it before final stage of literal pool transforms.
4124 (s390_decompose_address): Only accept displacements of the form
4125 (minus (label_ref ...) (label_ref ...)) if that flag is set.
4127 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
4129 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
4130 the comparison routine return.
4132 2006-01-30 Michael Matz <matz@suse.de>
4134 * global.c (find_reg): Only evict for global regs.
4135 Take n_refs into account and dump more info.
4137 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
4139 PR target/14798:
4140 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
4141 (pragma_trap, pragma_nosave_low_regs): Likewise.
4142 (current_function_anonymous_args): Likewise.
4143 (sh_deferred_function_attributes): New variable.
4144 (sh_deferred_function_attributes_tail): Likewise.
4145 (print_operand): For '@', look up trap_exit attribute.
4146 (calc_live_regs): Look up trapa_handler attribute. For trapa
4147 handlers, save/restore fpscr, but don't do any other
4148 interrupt-specific saves.
4149 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
4150 Fix check for partially saved registers to check for SHmedia.
4151 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
4152 (sh_output_function_epilogue): Don't clear any of the removed
4153 variables.
4154 (sh_insert_attributes): Don't check pragma_interrupt.
4155 Insert deferred attributes. Check that interrupt attribute is
4156 present for other attributes that require its presence.
4157 (sh_attribute_table): Add new attributes trapa_handler and
4158 nosave_low_regs.
4159 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
4160 Don't check for pragma_interrupt. Don't store argument.
4161 * sh.h (pragma_interrupt, sp_switch): Don't declare.
4162 (sh_deferred_function_attributes): Declare.
4163 (sh_deferred_function_attributes_tail): Likewise.
4164 * sh.md (sp_switch_1): Add operand. Change generator caller.
4165 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
4166 (*return_i): Don't use when trap_exit attribute is in effect.
4167 (*return_trapa): New insn pattern.
4168 * sh-c.c: New file.
4169 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
4170 setting c_target_objs and cxx_target_objs.
4171 * t-sh: Add rule for sh-c.o.
4173 2006-01-30 Richard Guenther <rguenther@suse.de>
4175 PR c++/23372
4176 * gimplify.c (gimplify_target_expr): Handle easy cases
4177 without creating a temporary.
4179 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
4181 * vec.h (safe_grow): Remove duplicated line.
4183 2006-01-29 Diego Novillo <dnovillo@redhat.com>
4185 PR 25874
4186 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
4187 (expand_omp): ... here.
4188 (expand_omp_parallel): Only remove barriers for combined
4189 parallel+workshare constructs.
4191 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
4193 Revert
4195 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4196 * tree.c (build_qualified_type): Chain the new type to the original
4197 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4198 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4199 (build_pointer_type_for_mode): Only return unqualified types.
4200 (build_reference_type_for_mode): Likewise.
4202 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
4204 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
4205 * Makefile.in (CXX_COMPAT_WARN): Define.
4206 * configure: Regenerate.
4208 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
4210 PR tree-opt/25911
4211 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
4212 to an if check.
4214 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4216 * toplev.c: Fix thinko.
4218 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4219 Marcin Dalecki <martin@dalecki.de>
4221 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
4222 (push_srcloc): Use XNEW.
4223 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
4225 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4227 * df-core.c (df_set_blocks): Deleted all variable.
4229 2006-01-28 Ian Lance Taylor <ian@airs.com>
4231 * cgraphunit.c (cgraph_assemble_pending_functions): Call
4232 cgraph_output_pending_asms.
4234 2006-01-28 Zack Weinberg <zackw@panix.com>
4236 * c.opt: Add -W(no-)overlength-strings.
4237 * doc/invoke.texi: Document it.
4238 * c-opts.c (c_common_handle_option): -pedantic implies
4239 -Woverlength-strings, if not explicitly disabled already.
4240 (c_common_post_options): -Woverlength-strings defaults to off, and
4241 is always off for C++.
4242 * c-common.c (fix_string_type): Issue warning about strings longer
4243 than is portable only if warn_overlength_strings. Rearrange code
4244 a little for clarity.
4245 * configure.in: Check for -Wno-overlength-strings as well before
4246 enabling -pedantic in stage 1.
4247 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
4248 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
4250 * genconditions.c (write_header, write_one_condition)
4251 (write_conditions, write_writer): Consolidate very long strings
4252 that were broken up to fit in C89 portable limit. Don't use
4253 printf when fputs will do.
4255 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
4257 * combine.c (simplify_comparison <AND>): Check
4258 TRULY_NOOP_TRUNCATION before start using a subreg.
4260 * config/mips/mips.md (*branch_zero<mode>,
4261 *branch_zero<mode>_inverted, *branch_equality<mode>,
4262 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
4263 Remove mode check from comparisons.
4265 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
4267 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
4269 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4271 * expmed.c (const_mult_add_overflow_p): Remove.
4272 * expr.h: Remove the prototype for const_mult_add_overflow_p.
4274 * recog.c (validate_replace_rtx_subexp): Remove.
4275 * recog.h: Remove the prototype for
4276 validate_replace_rtx_subexp.
4278 * integrate.h: Remove the prototype for
4279 copy_decl_for_inlining.
4280 * rtl.h: Remove the prototype for mark_constant_function.
4281 * tree-vectorizer.h: Remove the prototype for
4282 vect_strip_conversion.
4284 * modulo-sched.c (create_partial_schedule,
4285 free_partial_schedule, reset_partial_schedule): Make them
4286 static.
4288 * hooks.c (hook_bool_rtx_int_false): Remove.
4289 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
4291 2006-01-28 David Edelsohn <edelsohn@gnu.org>
4293 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4294 and -mlong-double-128 are incompatible.
4295 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
4296 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
4297 (TARGET_LIBGCC2_CFLAGS): Define.
4298 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
4299 (TARGET_LIBGCC2_CFLAGS): Same.
4300 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
4302 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4304 PR c/19606.
4305 * c-typeck.c (build_binary_op): Perform implicit casts of
4306 operands before shortening them.
4308 * cfgloopmanip.c (split_loop_bb): Remove.
4309 * cfgloop.h: Remove the prototype for split_loop_bb.
4311 * cfgloop.c (flow_loop_outside_edge_p): Remove.
4312 * cfgloop.h: Remove the prototype for
4313 flow_loop_outside_edge_p.
4315 * emit-rtl.c (init_virtual_regs): Make it static.
4316 * function.h: Remove the prototype for init_virtual_regs.
4318 * recog.c (peephole2_optimize): Make it static.
4319 * recog.h: Remove the prototype for peephole2_optimize.
4321 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4323 * df-scan.c (df_record_entry_block_defs): Check if
4324 INCOMING_RETURN_ADDR_RTX is defined.
4326 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
4327 Kenneth Zadeck <zadeck@naturalbridge.com>
4329 PR rtl-optimization/24762
4330 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4331 * targhooks.c (hook_void_bitmap): New hook prototype.
4332 * targhoohs.h (hook_void_bitmap): Ditto.
4333 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
4334 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
4335 * target.h (live_on_entry): New function pointer.
4336 * df-scan.c (df_all_hard_regs): Removed.
4337 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
4338 (df_scan_free_internal): Added df->entry_block_defs.
4339 (df_scan_alloc): Ditto.
4340 (df_scan_dump): Ditto.
4341 (df_uses_record): Plumbed flag field properly thru calls.
4342 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
4343 This part fixes PR24762.
4344 (df_bb_refs_record): Added code to make the frame and arg
4345 pointers live in EH blocks.
4346 (df_refs_record): Added call to df_record_entry_block_defs.
4347 (df_record_entry_block_defs): New function.
4348 * df-core.c: Added comments to describe new artifical defs.
4349 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
4350 (entry_block_defs): New field in struct df.
4351 (df_all_hard_regs): Deleted.
4352 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4353 * df-problems.c (df_ru_bb_local_compute_process_def):
4354 Added code to handle artifical defs in the entry to a function.
4355 (df_ru_bb_local_compute): Ditto.
4356 (df_rd_bb_local_compute_process_def): Ditto.
4357 (df_rd_bb_local_compute): Ditto.
4358 (df_lr_bb_local_compute): Ditto.
4359 (df_ur_bb_local_compute): Ditto.
4360 (df_urec_bb_local_compute): Ditto.
4361 (df_chain_create_bb): Ditto.
4362 (df_ur_local_finalize): Removed entry.
4363 (df_urec_init): Ditto.
4364 (df_urec_local_finalize): Ditto.
4365 (df_ri_bb_compute): Added detection of last use of pseudos.
4366 * Makefile.in (df-scan.o): Updated dependencies.
4367 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
4368 * config/mips/mips.c (mips_set_live_on_entry): Added.
4369 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
4370 for target hook.
4371 * dce.c (marked_insn_p): Added code to handle artifical defs.
4373 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4375 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
4376 intrinsic.
4377 (_mm_cvtsi128_si64): Likewise.
4378 (_mm_cvtsd_si64): Likewise.
4379 (_mm_cvttsd_si64): Likewise.
4380 (_mm_cvtsi64_sd): Likewise.
4381 (_mm_cvtsi64_si128): Likewise.
4382 * config/i386/mmintrin.h (_m_from_int64): Likewise.
4383 (_mm_cvtsi64_m64): Likewise.
4384 (_m_to_int64): Likewise.
4385 (_mm_cvtm64_si64): Likewise.
4386 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
4387 (_mm_cvttss_si64): Likewise.
4388 (_mm_cvtsi64_ss): Likewise.
4389 (_mm_cvtss_f32): Likewise.
4391 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
4393 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
4394 for pragma redefine_extname.
4396 2006-01-27 Jakub Jelinek <jakub@redhat.com>
4398 PR target/25864
4399 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
4400 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
4401 -mno-minimal-toc to previous content.
4402 (bispecs): Remove goal.
4403 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
4404 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
4405 compatibility aliases on powerpc-*-*gnu*.
4406 * config/rs6000/libgcc-ppc-glibc.ver: New file.
4407 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
4408 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
4409 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
4410 (ldblspecs): New goal.
4411 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
4412 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
4413 _df_to_tf.
4414 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
4415 L_sf_to_tf or L_df_to_tf is defined.
4417 2006-01-27 David Edelsohn <edelsohn@gnu.org>
4418 Alan Modra <amodra@bigpond.net.au>
4420 PR target/25864
4421 * config/rs6000/linux.h (POWERPC_LINUX): Define.
4422 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
4423 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
4424 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
4425 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
4426 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
4427 (rs6000_override_options): Initialize rs6000_ieeequad.
4428 Initialize TFmode format to ibm_extended_format if not
4429 TARGET_IEEEQUAD.
4430 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
4431 ieeelongdouble.
4432 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
4433 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
4434 (function_arg_advance): IBM long double passed in two FPRs, not
4435 split.
4436 (function_arg): IBM long double passed in FPRs.
4437 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
4438 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
4439 Only multireg GPR aligned.
4440 (rs6000_init_libfuncs): Enable IBM long double functions if not
4441 IEEEQUAD.
4442 (rs6000_generate_compare): Use IBM long double compare if not
4443 TARGET_IEEEQUAD.
4444 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
4445 (TARGET_IEEEQUAD): Define.
4446 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
4447 not TARGET_IEEEQUAD.
4448 * config/rs6000/rs6000.md: Enable TFmode patterns if
4449 !TARGET_IEEEQUAD.
4450 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
4451 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4452 and -mlong-double-128 are incompatible.
4453 * doc/invoke.texi (-mabi): Collect options together. Add
4454 ibmlongdouble and ieeelongdouble.
4456 2006-01-27 Richard Sandiford <richard@codesourcery.com>
4458 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
4459 opaque type.
4460 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
4461 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
4462 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
4463 * rtl.h (rtunion_def): Remove rt_ptr.
4464 (X0PTR): Delete.
4465 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
4466 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
4467 * config/i386/winnt.c (i386_pe_mark_dllexport)
4468 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
4470 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
4472 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
4474 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4476 PR other/24829
4477 PR target/24831
4478 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
4479 pthread_key_delete. From John David Anglin. gthrw-ify
4480 pthread_getunique_np only if it it's not a macro. Delete
4481 UNUSED macro.
4482 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
4483 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
4484 __gthread_objc_condition_signal, __gthread_key_delete): Add
4485 "__attribute__ ((__unused__))" to unused arguments.
4486 (__gthread_recursive_mutex_init_function): Add missing return.
4487 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
4488 gthr-posix95.h: Use macro-based approach for name redirection
4489 on targets missing weakref.
4491 2006-01-26 Zack Weinberg <zackw@panix.com>
4493 * genconditions.c (write_header): In generated code, #ifdef out
4494 all includes and fake declarations, except includes of bconfig.h
4495 and system.h, unless GCC_VERSION >= 3001. Do not include
4496 gensupport.h in any case.
4497 (write_conditions): Generate a definition of struct c_test. Add
4498 a comment to the generated #endif.
4499 (write_one_condition): Escape backslashes in string too.
4500 (write_writer): Generated code must escape backslashes and quote
4501 marks (but not newlines) in the strings it writes.
4502 * Makefile.in (build/gencondmd.o): Update dependencies.
4504 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4506 PR target/25961
4507 * Makefile.in (insn-automata.o): Add header file dependencies.
4508 * genautomata.c: Add includes.
4510 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4512 PR target/25961
4513 * Makefile.in (insn-automata.o): Add -Wno-error flag.
4515 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4517 * configure.ac: Expect target tools paths to be passed from the toplevel
4518 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
4519 AS_SET_VAR_IF.
4520 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
4522 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4524 PR c/25892
4525 * c.opt (Wpointer-sign): Init to -1.
4526 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
4527 OPT_pedantic, to 0 otherwise.
4528 * doc/invoke.texi: Update.
4530 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4532 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
4533 constants provided by 80387 instructions in the destination mode.
4535 2006-01-26 Richard Guenther <rguenther@suse.de>
4536 Andrew Pinski <pinskia@physics.uc.edu>
4538 PR tree-opt/21470
4539 partial PR tree-opt/17064
4540 * tree-ssa-structalias.c (intra_create_variable_infos):
4541 Create heap variables for incoming parameters if
4542 flag_argument_noalias > 1.
4543 (find_what_p_points_to): Look through default defs of
4544 parameter decls.
4546 2006-01-26 Jeff Law <law@redhat.com>
4548 PR ada/25900
4549 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
4550 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
4551 within the VR_RANGE, use the VR_RANGE as the result, not the
4552 VR_ANTI_RANGE.
4553 (adjust_range_with_scev): Reject ranges from SCEV which are out of
4554 bounds for the type.
4556 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
4558 * tree-ssa-alias.c (maybe_create_global_var): Change
4559 subvar walking to an assertion that we don't have subvar'd variables.
4561 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
4563 PR C/25861
4564 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
4565 Use a new variable, inner. PARM_DECLs are always non-weak.
4567 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
4569 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
4570 --disable-checking.
4572 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
4574 * config/mips/mips.md (*clear_upper32): New combiner pattern.
4576 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
4578 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
4579 (smax_insn, smin_insn, smax_0, smin_0): New.
4581 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
4583 PR target/25947
4584 * config/cris/cris.c (cris_order_for_addsi3): New function.
4585 * config/cris/cris-protos.h: Prototype it.
4586 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
4587 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
4588 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
4589 (split for "op.S1 [rx=rx+i],ry (swapped)")
4590 (split for "op(s|u).S1 [rx=rx+i],ry")
4591 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
4592 Apply cris_order_for_addsi3 when generating addsi3 insns.
4594 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4596 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
4597 (TREE_BLOCK): Add call to EXPR_CHECK.
4599 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4601 PR 25886
4602 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
4603 * tree-pretty-print.c (dump_omp_clause): Extract from ...
4604 (dump_omp_clauses): ... here.
4605 (dump_generic_node): Handle OMP_CLAUSE.
4606 * tree.c (omp_clause_num_ops): New.
4607 (omp_clause_code_name): New.
4608 (tree_code_size): Handle OMP_CLAUSE.
4609 (tree_size): Likewise.
4610 (make_node): Document handling of OMP_CLAUSE.
4611 (tree_node_structure): Handle OMP_CLAUSE.
4612 (omp_clause_check_failed): New.
4613 (omp_clause_range_check_failed): New.
4614 (omp_clause_operand_check_failed): New.
4615 (build_omp_clause): New.
4616 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
4617 * tree.h (enum omp_clause_code): Declare.
4618 (OMP_CLAUSE_SUBCODE_CHECK): Define.
4619 (OMP_CLAUSE_RANGE_CHECK): Define.
4620 (OMP_CLAUSE_ELT_CHECK): Define.
4621 (omp_clause_check_failed): Declare.
4622 (omp_clause_operand_check_failed): Declare.
4623 (omp_clause_range_check_failed): Declare.
4624 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
4625 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
4626 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
4627 (OMP_CLAUSE_LASTPRIVATE): Likewise.
4628 (OMP_CLAUSE_IF_EXPR): Likewise.
4629 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
4630 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
4631 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
4632 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
4633 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
4634 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
4635 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
4636 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
4637 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
4638 (OMP_CLAUSE_CODE): Define.
4639 (OMP_CLAUSE_SET_CODE): Define.
4640 (OMP_CLAUSE_CODE): Define.
4641 (OMP_CLAUSE_OPERAND): Define.
4642 (struct tree_omp_clause): Declare.
4643 (union tree_node): Add field 'omp_clause'.
4644 * treestruct.def (TS_OMP_CLAUSE): Define.
4645 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
4646 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
4647 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
4648 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
4649 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
4650 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
4651 (OMP_CLAUSE): Define.
4652 * print-tree.c (print_node): Handle OMP_CLAUSE.
4653 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
4654 * c-typeck.c: Likewise.
4655 * gimplify.c: Likewise.
4656 * c-omp.c: Likewise.
4657 * tree-nested.c: Likewise.
4658 * tree-inline.c: Likewise.
4659 * c-parser.c: Likewise.
4660 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
4661 clauses.
4663 2006-01-25 Roger Sayle <roger@eyesopen.com>
4665 PR rtl-optimization/25703
4666 * combine.c (try_combine): Handle zero_extract and strict_low_part
4667 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
4669 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
4671 * global.c: Fix comment typos.
4673 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
4675 PR target/25758
4676 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
4677 Use output_addr_const instead of assemble_name.
4679 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
4681 * Makefile.in (sched-vis.o): Update dependencies.
4682 * haifa-sched.c (sched_finish): Clear current_sched_info.
4683 * cfg.c (dump_bb_info): New, split from dump_flow_info.
4684 (dump_flow_info): Call it.
4685 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
4686 a slim RTL dump.
4687 * basic-block.h (dump_bb_info): Declare.
4688 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
4689 option, and apply options only for dump files whose TDF_RTL,
4690 TDF_TREE, or TDF_IPA bits match.
4691 * rtl.h: Declare new functions exported from sched-vis.c.
4692 * sched-vis.c: Enable also if scheduling is not used.
4693 (print_value): Print the mode of registers if not inside scheduling.
4694 (print_insn): Make it work outside the scheduler. Beautify the output
4695 a bit.
4696 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
4698 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4700 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
4701 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
4702 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
4703 depending on the value of CONSTANT_POOL_ADDRESS_P.
4704 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
4705 SYMBOL_REF_DECL.
4706 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
4707 rather than SYMBOL_REF_DECL.
4708 (rtx_constant_pool): Remove const_rtx_sym_htab.
4709 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
4710 (init_varasm_status): Don't initialize const_rtx_sym_htab.
4711 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
4712 Remove handling of const_rtx_sym_htab.
4713 (find_pool_constant): Delete.
4714 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
4715 rather than find_pool_constant.
4716 (get_pool_constant_for_function): Delete.
4717 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
4718 find_pool_constant.
4719 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
4720 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
4721 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
4722 (SYMBOL_REF_CONSTANT): New macro.
4723 (get_pool_constant_for_function): Delete.
4724 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
4725 rather than SYMBOL_REF_DECL.
4726 (i386_pe_mark_dllimport): Likewise.
4727 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
4728 rather than SYMBOL_REF_DECL.
4729 * config/darwin.c (machopic_indirect_data_reference): Likewise.
4730 (machopic_indirect_call_target): Likewise.
4732 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
4734 * flow.c (delete_noop_moves): Add missing EOL to dump message.
4736 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4738 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
4740 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
4742 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
4744 2006-01-24 David Daney <ddaney@avtrex.com>
4746 PR java/25816
4747 * configure.ac (enable_tls): New enable option.
4748 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
4749 * configure: Regenerate.
4750 * doc/install.texi (--enable-tls): Document new option.
4751 (--disable-tls): Ditto.
4753 2006-01-24 Richard Henderson <rth@redehat.com>
4755 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4756 * alias.c (true_dependence): Respect it.
4757 (canon_true_dependence, write_dependence_p): Likewise.
4758 * builtins.c (get_builtin_sync_mem): Set it.
4760 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4762 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4763 efficient way.
4765 2006-01-24 DJ Delorie <dj@redhat.com>
4767 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4768 for storing constants in single-bit bitfields.
4770 2006-01-25 Ben Elliston <bje@au.ibm.com>
4772 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4774 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4776 PR tree-opt/25860
4777 * tree-ssa-pre.c (phi_translate): Return NULL
4778 for AGGREGATE_TYPE's.
4780 2006-01-24 Zack Weinberg <zackw@panix.com>
4782 * genautomata.c (process_state_for_insn_equiv_partition):
4783 Use xcalloc for insn_arcs_array.
4784 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4785 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4787 2006-01-24 Richard Henderson <rth@redhat.com>
4789 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4790 update all callers.
4792 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4794 PR rtl-optimization/25890
4795 PR rtl-optimization/25905
4796 * combine.c (expand_compound_operation, expand_field_assignment):
4797 Fail if the bitfield's final position is out of bounds.
4799 2006-01-24 Ian Lance Taylor <ian@airs.com>
4801 PR middle-end/25930
4802 * cgraphunit.c (cgraph_output_in_order): Don't clear
4803 cgraph_asm_nodes until after asm strings have been output.
4805 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4807 * fix-header.c (read_scan_file): Add new parameter imultilib when
4808 calling register_include_chains.
4810 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4812 * omp-low.c: Update documentation.
4814 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4815 Daniel Berlin <dberlin@dberlin.org>
4817 PR tree-opt/25315
4818 PR tree-opt/25857
4819 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4820 return from the function.
4822 2006-01-22 Zack Weinberg <zackw@panix.com>
4824 * rtl.def (match_code): Add second argument.
4825 * genpreds.c (write_extract_subexp): New function.
4826 (write_match_code): Add path argument. Use write_extract_subexp.
4827 (write_predicate_expr): Pass path to write_match_code.
4828 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4829 not perform a mode test.
4830 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4831 a subexpression does not constrain the top-level code set.
4832 * read-rtl.c (read_rtx_variadic): New function.
4833 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4834 * doc/md.texi: Document new notation.
4835 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4836 (cmpsi_operand): ... here, using new notation.
4838 2006-01-22 Zack Weinberg <zackw@panix.com>
4840 * varray.c: Remove GENERATOR_FILE #ifdefs.
4842 2006-01-22 Zack Weinberg <zackw@panix.com>
4844 * genautomata.c (output_reserved_units_table): Emit nothing if
4845 description->query_units_num is zero. Remove extra blank line.
4846 (output_cpu_unit_reservation_p): Short circuit
4847 if description->query_units_num is zero.
4849 2006-01-22 Zack Weinberg <zackw@panix.com>
4851 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4852 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4853 nor any of the random handful of variables that used to be necessary
4854 when this program was linked with rtlanal.o. Prune set of forward
4855 function declarations.
4856 (struct attr_desc): Remove static_p field.
4857 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4858 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4859 (attr_string): Do not read the character one past the length of
4860 the string.
4861 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4862 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4863 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4864 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4865 (make_automaton_attrs): New.
4866 (main): Do not call into genautomata. Call local gen_bypass
4867 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4868 Remove special case for insn_alts.
4869 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4870 varray.h (leftover from previous change). Prune set of forward
4871 function declarations. Remove state_alts fields from all
4872 structures. Remove state_alts_table from struct automaton.
4873 Make everything except main static. Do not maintain num_dfa_decls.
4874 Do not maintain state_alts fields of various structures.
4875 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4876 (add_arc): Remove state_alts argument. All callers updated.
4877 (output_reserved_units_table): Emit #ifdef here...
4878 (output_tables): ...not here. Don't generate state_alts tables.
4879 (expand_automata): Don't generate attributes.
4880 (write_automata): Don't generate state_alts functions.
4881 (main): New function.
4882 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4883 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4884 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4885 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4886 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4887 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4888 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4889 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4890 Delete.
4891 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4892 * genattrtab.h: Delete file.
4893 * Makefile.in (OBJS-common): Add insn-automata.o.
4894 (insn-automata.o): New rule.
4895 (simple_generated_c): Add insn-automata.c.
4896 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4897 (genprogmd): Add automata.
4898 (build/genattrtab): Needs no extra objects nor libraries.
4899 (build/genautomata): Needs build/vec.o and -lm.
4901 2006-01-22 Zack Weinberg <zackw@panix.com>
4903 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4904 (output_dfa_max_issue_rate, locked_states_num): Delete.
4905 (struct automaton): Add locked_states field.
4906 (output_dead_lock_vect): Save number of locked states in
4907 automaton->locked_states. If it is zero, don't print anything.
4908 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4909 (output_internal_dead_lock_func): Only test the dead_lock_vect
4910 for automata that have locked states.
4911 (output_statistics): Always print the number of locked states for
4912 each automaton. Calculate total number of locked states here.
4913 (write_automata): Don't call output_dfa_max_issue_rate.
4914 * genattrtab.c: Define length_unit_log as a const variable.
4915 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4916 max_insn_queue_index const.
4917 * final.c (length_unit_log): Declare const.
4918 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4920 2006-01-22 Zack Weinberg <zackw@panix.com>
4922 * genautomata.c: Include vec.h, not varray.h.
4923 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4924 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4925 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4926 VEC_* macros operating on appropriately typed vectors, or to
4927 malloced arrays when the size is known in advance. Const-ify
4928 many char* variables and function arguments. No functional changes.
4929 * Makefile.in (build/varray.o): Delete rule.
4930 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4931 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4933 2006-01-22 Zack Weinberg <zackw@panix.com>
4935 * gensupport.c: Define get_insn_name and record_insn_name here.
4936 (read_md_rtx): Call record_insn_name as appropriate.
4937 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4938 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4939 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4940 record_insn_name.
4941 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4942 (BUILD_VARRAY): Delete.
4943 (genprognormal): Rename genprogmd. Fold in all programs from
4944 genprognoprint; also attrtab.
4945 (build/genattrtab): Just mention genautomata.o and varray.o.
4946 Reorganize a bit, add comments to make the categories clearer.
4948 2006-01-22 Zack Weinberg <zackw@panix.com>
4950 * genconditions.c (condition_table, add_condition): Delete.
4951 (write_conditions): Don't emit n_insn_conditions nor
4952 insn_elision_unavailable. Issue the gcc version #ifdef here,
4953 inside the table, with no #else clause ...
4954 (write_header): ...not here.
4955 (write_writer): New function.
4956 (main): Don't initialize condition_table. Use add_c_test.
4957 Call write_writer.
4958 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4959 files on the command line.
4960 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4961 Return -1 if there is no entry in the table, don't abort.
4962 (add_c_test, traverse_c_tests): New functions.
4963 * gensupport.h (insn_elision_unavailable, insn_conditions)
4964 (n_insn_conditions): Delete declarations.
4965 (add_c_test, traverse_c_tests): Declare.
4966 * read-rtl.c: Include gensupport.h.
4967 (read_conditions): New function.
4968 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4969 (read_rtx_1): If we get EOF when we were looking for an initial
4970 open paren, return 0. Call read_conditions when appropriate.
4971 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4972 dummy-conditions.o. Eliminate references to insn-conditions.o,
4973 or change them to build/gencondmd.o, as appropriate. Remove
4974 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4975 from $(simple_generated_c). For all files remaining in those
4976 two lists, add insn-conditions.md to the generator command line.
4977 Give insn-constants.h/s-constants their own rules. Add rules
4978 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4979 (build/read-rtl.o): Depend on gensupport.h.
4980 (genprognormal): Include preds.
4981 (genprogearly): Rename genprognoprint; only difference is now that
4982 they don't link with $(BUILD_PRINT).
4983 * dummy-conditions.c: Delete.
4985 2006-01-22 Zack Weinberg <zackw@panix.com>
4987 * genextract.c: Don't include insn-config.h. Do include vec.h.
4988 Declare vectors of int, char, and locstr.
4989 (locstr): New typedef.
4990 (struct extraction): Make all array fields into bare pointers.
4991 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4992 (insn_code_number): Delete.
4993 (accum_extract): New struct.
4994 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4995 (gen_insn): Take insn_code_number as an argument. Use an
4996 accum_extract structure instead of loading data directly into
4997 a struct extraction, and having to know how big it might get.
4998 (walk_rtx): Operate entirely on an accum_extract structure.
4999 (print_path): Avoid unnecessary use of printf.
5000 (print_header): New function, split out of main. Distinguish
5001 more carefully between an unrecognizable insn and an insn that
5002 has the code number of a define_expand.
5003 (main): Pass insn_code_number to gen_insn. Call print_header
5004 only after parsing. Avoid unnecessary use of printf.
5005 * Makefile.in (build/vec.o): New rule.
5006 (build/genextract): Depend on build/vec.o.
5007 (build/genextract.o): Don't depend on insn-config.h.
5009 2006-01-22 Zack Weinberg <zackw@panix.com>
5011 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
5012 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
5013 practical. Eliminate per-generator-program link rules.
5015 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5017 PR middle-end/24437
5018 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5019 with a call expr to ...
5020 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5022 2006-01-23 Richard Guenther <rguenther@suse.de>
5024 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
5025 before make_edge with conditional EDGE_TRUE_VALUE.
5027 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
5028 Jan Hubicka <jh@suse.cz>
5029 Richard Guenther <rguenther@suse.de>
5031 PR rtl-optimization/25654
5032 * cfgexpand.c (aggregate_contains_union_type): New function.
5033 (add_alias_set_conflicts): Call it. Make sure to add conflicts
5034 for structure variables that contain a union type.
5036 2006-01-23 Richard Sandiford <richard@codesourcery.com>
5038 * gengtype.c (new_structure): Return the structure.
5039 (create_option): Add an extra "next" argument.
5040 (create_field): New function.
5041 (adjust_field_rtx_def): Use create_option and create_field.
5042 Remove a now-unnecessary call to find_structure.
5043 (adjust_field_tree_def): Likewise.
5044 (note_yacc_type): Remove an unnecessary call to find_structure.
5045 * gengtype.h (new_structure): Return the structure.
5046 (create_option): Add an extra argument.
5047 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
5048 (option): Adjust calls to create_option.
5050 2006-01-22 David Edelsohn <edelsohn@gnu.org>
5052 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
5054 2006-01-22 Paul Brook <paul@codesourcery.com>
5055 Peter Barada <peter@the-baradas.com>
5057 * config/m68k/m68k.md: Add Coldfire FPU support.
5058 Define FP mode macro and associated attributes.
5059 Use it for float mode patterns.
5060 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
5061 (LIBCALL_VALUE): Use m68k_libcall_value.
5062 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
5063 (m68k_function_value): Ditto.
5064 (emit_move_sequence): Ditto.
5065 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
5066 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
5067 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
5068 (MULTILIB_EXCEPTIONS): Ditto.
5069 * config/m68k/m68k.opt: Add mcfv4e.
5070 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
5071 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
5072 (m68k_output_function_prologue): Save ColdFire FPU registers.
5073 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
5074 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
5075 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
5076 ColdFire FPU registers.
5077 (m68k_libcall_value, m68k_function_value): New functions.
5078 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
5079 (LIBCALL_VALUE): Use m68k_libcall_value.
5080 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
5081 (MASK_COLDFIRE): Add MASK_CFV4E.
5082 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
5083 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
5084 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
5085 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
5086 (GO_IF_LEGITIMATE_ADDRESS): Use it.
5087 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
5088 * doc/invoke.tex: Document -mcfv4e on m68k.
5090 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5092 * doc/contribute.texi: Change CVS to SVN and update the corresponding
5093 URL.
5095 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
5097 PR c++/16190
5098 * c-opts.c (c_common_handle_option): Don't include
5099 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
5100 * doc/invoke.texi (C++ Dialect Options): Document that
5101 -Wnon-virtual-dtor is no longer included in -Wall.
5103 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
5105 * gcov.c (print_version), gcov-dump.c (print_version),
5106 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
5107 dates.
5109 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
5111 * df-scan.c (problem_SCAN): Added NULL reset function.
5112 (df_scan_reset_blocks): Added code to call reset block function
5113 (df_bb_refs_delete) Fixed comment.
5114 (df_insn_refs_delete): Made tolerant of deleting non existent info
5115 for dataflow problems that need to be reset.
5116 * df-core.c (df_set_blocks): Ditto.
5117 * df.h (struct df_problem): Added reset_fun.
5118 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
5119 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
5120 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
5121 functions to clear out all references to def-use or use-def chains.
5123 2006-01-21 Ben Elliston <bje@au.ibm.com>
5125 * varasm.c (assemble_real): Initialise data array.
5127 2006-01-20 Paul Brook <paul@codesourcery.com>
5129 Merge from csl-arm-branch.
5130 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5131 * config/arm/arm.md (movdi): Force operands[1] to a register
5132 if we have a non-register source.
5133 (*arm_movdi, *movdf_soft_insn): Require that one of the
5134 operands be a register.
5135 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
5136 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
5138 2006-01-20 DJ Delorie <dj@redhat.com>
5140 * varasm.c (initialize_constant_valid_p): Allow pointers
5141 initialized from integer constants of lesser precision.
5142 (output_constant): Allow non-int-sized pointer modes to be
5143 initialized from integer constants.
5145 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
5147 PR libstdc++/25524
5148 * cppdefault.h (struct default_include): Add multilib flag.
5149 * cppdefault.c (cpp_include_defaults): Set it.
5150 * c.opt (-imultilib): New option.
5151 * c-opts.c (imultilib): New.
5152 (c_common_handle_option): Handle -imultilib.
5153 (c_common_post_options): Likewise.
5154 * c-incpath.c (add_standard_paths, register_include_chains):
5155 Likewise.
5156 * c-incpath.h (register_include_chains): Add extra parameter.
5157 * gcc.c (do_spec_1): Generate -imultilib option.
5158 (The Specs Language): Update %I description.
5159 (process_command): Update copyright notice.
5160 * doc/cppopts.texi (-imultilib): Document.
5161 * doc/invoke.texi (-imultilib): Include in option summary.
5162 (%I): Update specs documentation.
5164 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5166 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
5168 2006-01-20 Richard Sandiford <richard@codesourcery.com>
5170 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
5171 label numbers.
5173 2006-01-20 Richard Guenther <rguenther@suse.de>
5174 Steven Bosscher <stevenb.gcc@gmail.com>
5176 PR rtl-optimization/24626
5177 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
5178 EDGE_TRUE_VALUE if in RTL mode.
5180 Revert
5181 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
5182 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
5184 2006-01-20 Dirk Mueller <dmueller@suse.com>
5186 PR c++/5520
5187 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
5188 instead of a special NOP marker.
5189 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
5190 NOP marker handling.
5191 * c-common.h (empty_body_warning): Add forward declaration.
5192 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
5193 Now uses IS_EMPTY_STMT() instead of special NOP markers.
5195 2006-01-20 Paul Brook <paul@codesourcery.com>
5197 * Makefile.in (lang_checks): Keep going if mkdir fails.
5199 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5201 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
5202 be able to clean out basic block when not necessary.
5203 (df_scan_free): Fixed to properly delete information if df is
5204 unused before calling df_finish.
5205 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
5206 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
5207 or comment typos.
5208 (df_bb_refs_delete): New function.
5209 (df_refs_delete): Moved per block code to df_bb_refs_delete.
5210 * df-core.c (df_set_blocks): Added code to properly clean out
5211 unused blocks if they are not part of the blocks to consider.
5212 Added additional null check.
5213 (df_compact_blocks): Added basic block parameter to free_bb_fun to
5214 be able to clean out basic block when not necessary
5215 * df.h (df_free_bb_function): Ditto.
5216 (df_bb_refs_delete): New function.
5217 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
5218 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
5219 basic block parameter to be able to clean out basic block when not
5220 necessary.
5221 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
5222 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
5223 Fixed to properly delete information if df is unused before
5224 calling df_finish.
5226 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5228 PR rtl-optimization/25799
5229 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
5230 Corrected confluence operator to remove bits from op2 before oring
5231 with op1 rather than removing bits from op1.
5232 (df_ru_transfer_function): Corrected test on wrong bitmap which
5233 caused infinite loop. Both of these problems were introduced in
5234 the dataflow rewrite.
5236 2006-01-19 DJ Delorie <dj@redhat.com>
5238 * reload1.c (find_reload_regs): Note the details of reload
5239 failures in the dump file.
5240 (spill_failure): Likewise.
5242 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5244 * loop-iv.c: Include df.h and hashtab.h.
5245 (enum iv_grd_result): New enum.
5246 (DF_REF_IV, DF_REF_IV_SET): New macros.
5247 (struct biv_entry): New.
5248 (df, bivs): New global variables.
5249 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
5250 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
5251 Removed.
5252 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
5253 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
5254 analyzed_for_bivness_p, record_biv): New functions.
5255 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
5256 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
5257 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
5258 UD chains.
5259 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
5260 analysed.
5261 (iv_number_of_iterations): Use new interface to iv analysis.
5262 * loop-unroll.c: Do not include varray.h.
5263 (analyze_iv_to_split_insn): Use new interface to iv
5264 analysis.
5265 * loop-unswitch.c (may_unswitch_on): Ditto.
5266 * df.c (df_bitmaps_free): Only work for bbs for that structures are
5267 allocated.
5268 (df_bb_modify): Realloc tables to the new index.
5269 (df_find_use): New function.
5270 * df.h (df_find_use): Declare.
5271 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
5272 outmode.
5273 * cfgloop.h (struct rtx_iv): Remove analysed field.
5274 (iv_get_reaching_def): Removed.
5275 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
5276 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
5277 (loop-iv.o): Add df.h and hashtab.h dependency.
5278 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
5280 2006-01-20 Alan Modra <amodra@bigpond.net.au>
5282 PR target/25668
5283 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
5284 Double TFmode.
5285 (__floatundisf, __floatundidf): Likewise.
5286 * libgcc2.h (IS_IBM_EXTENDED): Define.
5288 2006-01-19 DJ Delorie <dj@redhat.com>
5290 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
5292 2006-01-19 Paul Brook <paul@codesourcery.com>
5294 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
5295 as nothrow when unwinding tables are disabled.
5297 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5299 PR testsuite/25171
5300 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
5301 of bit-field" when in system header.
5303 2006-01-19 DJ Delorie <dj@redhat.com>
5305 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
5306 the 16 bit shift limit of the m16c.
5308 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
5310 PR target/22099
5311 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
5312 * config/i386/i386.c (output_set_got): Output the label if we have one
5313 for the TARGET_DEEP_BRANCH_PREDICTION case.
5315 2006-01-19 Jan Hubicka <jh@suse.cz>
5316 H.J. Lu <hongjiu.lu@intel.com>
5317 Evandro Menezes <evandro.menezes@amd.com>
5319 * invoke.texi (generic): Document
5320 (i686) Update.
5321 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
5322 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
5323 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
5324 (x86_use_incdec, x86_pad_returns): New variables
5325 (TARGET_CPU_DEFAULT_generic): New constant
5326 (TARGET_CPU_DEFAULT_NAMES): Add generic.
5327 (enum processor_type): Add generic32 and generic64.
5328 * i386.md (cpu attribute): Add generic32/generic64
5329 (movhi splitter): Behave sanely when both partial_reg_dependency and
5330 partial_reg_stall are set.
5331 (K8 splitters): Enable for generic as well.
5332 * predicates.md (incdec_operand): Use TARGET_INCDEC
5333 (aligned_operand): Avoid memory mismatch stalls.
5334 * athlon.md: Enable for generic64, new patterns for 128bit moves.
5335 * ppro.md: Enable for generic32
5336 * i386.c (generic64_cost, generic32_cost): New.
5337 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
5338 (x86_use_leave): Enable for generic64. (x86_use_sahf,
5339 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
5340 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
5341 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
5342 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5343 x86_partial_reg_dependency, x86_memory_mismatch_stall,
5344 x86_accumulate_outgoing_args, x86_prologue_using_move,
5345 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
5346 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
5347 Enable for generic.
5348 (x86_use_incdec, x86_pad_returns): New.
5349 (override_options): Add generic32 and generic64, translate "generic"
5350 to generic32/generic64 and "i686" to "generic32", refuse
5351 "generic32"/"generic64" as arch target.
5352 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
5353 (ix86_reorg): Honor PAD_RETURNS.
5355 2006-01-19 Diego Novillo <dnovillo@redhat.com>
5357 * tree-pretty-print.c (dump_generic_node): Handle
5358 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
5359 * cgraph.c (cgraph_expand_queue): Rename from
5360 cgraph_analyze_queue. Update all users.
5361 * cgraphunit.c (cgraph_assemble_pending_functions): Process
5362 cgraph_expand_queue.
5363 (cgraph_expand_all_functions): Likewise.
5364 (cgraph_finalize_pending_functions): Remove. Update callers.
5366 * tree.h (OMP_DIRECTIVE_P): Define.
5367 (OMP_PARALLEL_FN): Define.
5368 (OMP_PARALLEL_DATA_ARG): Define.
5369 (OMP_SECTIONS_SECTIONS): Define.
5370 * tree-pass.h (pass_expand_omp): Declare.
5371 * omp-low.c (struct omp_region): Declare.
5372 (struct omp_context): Remove fields 'parallel_type',
5373 'parallel_start_ix' and 'parallel_start_additional_args'.
5374 Update all users.
5375 (struct omp_for_data): Rename from struct expand_omp_for_data.
5376 (omp_regions): New static variable.
5377 (root_omp_region): New static variable.
5378 (find_omp_clause): Make static.
5379 (is_in_combined_parallel_ctx): Remove.
5380 (is_combined_parallel): New.
5381 (extract_omp_for_data): Move earlier in the file.
5382 (workshare_safe_to_combine_p): New.
5383 (get_ws_args_for): New.
5384 (determine_parallel_type): Move earlier in the file.
5385 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
5386 child function.
5387 (omp_copy_decl): Likewise.
5388 (create_omp_child_function): Likewise.
5389 (lookup_omp_region): New.
5390 (dump_omp_region): New.
5391 (debug_omp_region): New.
5392 (debug_all_omp_regions): New.
5393 (new_omp_region): New.
5394 (scan_omp_parallel): If parallel_nesting_level > 1, the
5395 directive is nested within another parallel directive.
5396 Set OMP_PARALLEL_FN.
5397 (scan_omp_for): Do not try to handle combined parallel+for
5398 cases.
5399 Remove FIXME comment.
5400 (scan_omp_nested): Remove.
5401 (scan_omp_1): Do not call scan_omp_nested when
5402 parallel_nesting_level is > 1.
5403 Do not change the DECL_CONTEXT of local variables found.
5404 (lookup_decl_in_outer_ctx): New.
5405 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
5406 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
5407 (lower_reduction_clauses): Rename from expand_reduction_clauses.
5408 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
5409 If CTX is nested, lookup VAR in the outer context when
5410 building copy assignment.
5411 (lower_send_clauses): Rename from expand_send_clauses.
5412 If CTX is nested, lookup VAR in the outer context when
5413 building copy assignments.
5414 (lower_send_shared_vars): Rename from expand_send_shared_vars.
5415 If CTX is nested, lookup VAR in the outer context when
5416 building copy assignments.
5417 (expand_parallel_call): Rename from build_parallel_call.
5418 Handle combined parallel+workshare cases.
5419 Re-implement to emit code into the CFG.
5420 (list2chain): New.
5421 (expand_omp_parallel): Re-implement to emit code into the CFG.
5422 Call move_sese_region_to_fn to outline the sub-graph
5423 containing the parallel region.
5424 (expand_omp_for_1): Remove.
5425 (expand_omp_for_generic): Re-implement to emit code into the
5426 CFG.
5427 (expand_omp_for_static_nochunk): Likewise.
5428 (expand_omp_for_static_chunk): Likewise.
5429 (expand_omp_for): Likewise.
5430 (expand_omp_sections): Likewise.
5431 (remove_exit_barriers): New.
5432 (expand_omp_synch): New.
5433 (expand_omp): New.
5434 (build_omp_regions_1): New.
5435 (build_omp_regions): New.
5436 (execute_expand_omp): New.
5437 (gate_expand_omp): New.
5438 (pass_expand_omp): Define.
5439 (lower_omp_sections): Rename from expand_omp_sections.
5440 Set OMP_SECTIONS_SECTIONS.
5441 (lower_omp_single_simple): Rename from expand_omp_single_simple.
5442 (lower_omp_single_copy): Rename from expand_omp_single_copy.
5443 (lower_omp_single): Rename from expand_omp_simple.
5444 (lower_omp_master): Rename from expand_omp_master.
5445 (lower_omp_ordered): Rename from expand_omp_ordered.
5446 (lower_omp_critical): Rename from expand_omp_critical.
5447 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
5448 (lower_omp_for): Re-implement.
5449 (lower_omp_parallel): Re-implement.
5450 (lower_regimplify): Rename from expand_regimplify.
5451 (lower_omp_1): Rename from expand_omp_1.
5452 If there are syntax errors in the program, replace every
5453 OpenMP directive with NOP.
5454 Call lower_omp_* instead of expand_omp_*.
5455 (lower_omp): Rename from expand_omp.
5457 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
5458 * tree-gimple.h (enum omp_parallel_type): Remove.
5459 (gimple_boolify): Declare extern.
5460 (find_omp_clause, determine_parallel_type): Remove.
5462 * gimple-low.c (lower_omp_directive): New.
5463 (lower_stmt): Call it.
5464 (record_vars_into): Move from ...
5465 (record_vars): ... here.
5466 Call record_vars_into with current_function_decl.
5468 * gimplify.c (struct gimplify_ctx): Remove fields
5469 combined_pre_p and combined_ctxp. Update users.
5470 (get_formal_tmp_var): Add documentation.
5471 (gimple_boolify): Make extern.
5472 (gimplify_expr_in_ctx): Remove. Update callers.
5473 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
5474 will always be a BIND_EXPR.
5475 (gimplify_expr): Handle OMP_RETURN_EXPR.
5476 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
5477 (OMP_PARALLEL): Add 3 operands.
5478 (OMP_SECTIONS): Add 1 operand.
5479 (OMP_RETURN_EXPR): Define.
5481 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
5482 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
5483 * tree-iterator.c (alloc_stmt_list): Assert that we are not
5484 creating a circular free list.
5485 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
5487 * tree-flow.h (move_sese_region_to_fn): Declare.
5488 (record_vars_into): Declare.
5489 * tree-cfg.c (make_omp_sections_edges): New.
5490 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
5491 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
5492 OMP_SECTIONS and OMP_SECTION.
5493 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
5494 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
5495 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
5496 (gather_blocks_in_sese_region): New.
5497 (struct move_stmt_d): Declare.
5498 (move_stmt_r): New.
5499 (move_block_to_fn): New.
5500 (move_sese_region_to_fn): New.
5502 * passes.c (init_optimization_passes): Schedule
5503 pass_expand_omp after pass_init_datastructures.
5505 * tree-ssa-operands.c (get_expr_operands): Handle
5506 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
5507 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
5509 2006-01-19 Jeff Law <law@redhat.com>
5511 * tree-vrp.c (extract_range_from_assert): Refine the result range
5512 if the variable referenced by the ASSERT_EXPR has a range and
5513 either the tentative result range or the previous range is a
5514 VR_ANTI_RANGE.
5516 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5518 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
5520 2006-01-19 Jan Hubicka <jh@suse.cz>
5522 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
5524 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
5526 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
5527 (expand_compound_operation, expand_field_assignment): Fail if the
5528 bit lengths of an extract operation are out of range.
5529 (make_extraction): Compute wanted_inner_mode based on the position
5530 and length of the extraction. Make it extraction_mode for non-constant
5531 positions, and do not modify offset in that case. When generating a
5532 new MEM, use a mode that can hold the extraction while keeping correct
5533 alignment. Remove code that supported MEMs wrapped by USEs.
5534 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
5536 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
5538 * config/s390/s390.md ("Y", "y"): New mode attribute.
5539 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5540 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
5541 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
5542 "*addsi3_imm_cc", "*addsi3_carry1_cc",
5543 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
5544 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
5545 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
5546 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
5547 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
5548 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
5549 "addsi3", "subsi3"): Insn patterns removed.
5550 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
5551 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
5552 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
5553 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
5554 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
5555 "*sub<mode>3_cconly2"): New insn patterns.
5556 ("addsi3", "subsi3"): New expanders.
5558 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
5560 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
5561 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
5562 existing STMT_VINFO_VECTYPE if available.
5563 (vect_mark_relevant): Add special handling for stmts that are
5564 marked as STMT_VINFO_IN_PATTERN_P.
5565 (vect_analyze_loop): Call vect_pattern_recog.
5566 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
5567 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
5568 stmt_info.
5569 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
5570 (vect_recog_func_ptr): New function-pointer type.
5571 * tree-vect-patterns.c: New file.
5572 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
5573 (vect_recog_dot_prod_pattern, vect_pattern_recog):
5574 (vect_pattern_recog_1): New functions.
5575 (vect_pattern_recog_funcs): New array of function pointers.
5577 * tree-vectorizer.h (ternary_op): New enum value.
5578 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
5579 declaration. Revised documentation. Removed redundant dump prints.
5580 Removed redundant argument. Added support for reduction patterns.
5581 (vectorizable_reduction): Added support for reduction patterns.
5582 (vect_transform_stmt): Added support for patterns.
5584 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
5585 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
5586 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
5587 (expand_widen_pattern_expr): New function.
5588 (init_optabs): Initialize new optabs udot_prod_optab,
5589 sdot_prod_optab.
5590 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
5591 (sdot_prod_optab, udot_prod_optab): Define new optabs.
5592 (expand_widen_pattern_expr): New function declaration.
5593 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
5594 tree-codes.
5595 * tree-inline.c (estimate_num_insns_1): Added cases for new
5596 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5597 * tree-pretty-print.c (dump_generic_node): Likewise.
5598 (op_prio): Likewise.
5599 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5600 * tree-ssa-operands.c (get_expr_operands): Added case for
5601 DOT_PROD_EXPR.
5602 * tree-vect-patterns.c (widened_name_p): New function.
5603 (vect_recog_dot_prod_pattern): Added function implementation.
5604 * tree-vect-transform.c (get_initial_def_for_reduction): Added
5605 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
5606 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
5607 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
5609 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
5610 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
5611 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
5612 (init_optabs): Initialize new optabs widen_ssum_optab,
5613 widen_usum_optab.
5614 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
5615 (widen_ssum_optab, widen_usum_optab): Define new optabs.
5616 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
5617 use instead of type of def.
5618 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
5619 function implementation.
5620 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
5621 widen_ssumv8hi): New.
5623 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
5624 patterns.
5626 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5628 PR c/25805
5629 * c-decl.c (add_flexible_array_elts_to_size): New function.
5630 (finish_decl): Use it.
5632 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
5634 * diagnostic.h: Include options.h.
5635 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
5636 dependancies for diagnostic.h.
5637 * Makefile.in (DIAGNOSTIC_H): Add options.h.
5639 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
5641 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
5642 (ssa_ro_call_cache_valid): Ditto.
5643 * tree-ssa-alias.c (sort_tags_by_id): New function.
5644 (init_transitive_clobber_worklist): Ditto.
5645 (add_to_worklist): Ditto.
5646 (mark_aliases_call_clobbered): Ditto.
5647 (compute_tag_properties): Ditto.
5648 (set_initial_properties): Ditto.
5649 (compute_call_clobbered): Ditto.
5650 (compute_may_aliases): Call compute_call_clobbered and grouping.
5651 (compute_flow_sensitive_aliasing): Remove clobbering related code.
5652 (compute_flow_insensitive_aliasing): Grouping now happens in our
5653 caller.
5654 (setup_pointers_and_addressables): Remove clobbering related code.
5655 (add_may_alias): Ditto.
5656 (replace_may_alias): Ditto.
5657 (get_nmt_for): Ditto.
5658 (create_global_var):
5659 (is_escape_site): Return an escape_type enumeration.
5660 * tree-flow-inline.h (is_call_clobbered): Global var does not
5661 imply call clobbered.
5662 (mark_call_clobbered): Take a reason for marking this. Remove
5663 marking of globalness, and cache invalidation.
5664 (clear_call_clobbered): Remove cache invalidation code.
5665 * tree-dfa.c (dump_variable): If details is on, dump the reason
5666 for escaping.
5667 * tree-outof-ssa.c (create_temp): Copy escape mask from original
5668 variable.
5669 * tree-flow.h (struct ptr_info_def): Add escape mask member.
5670 (struct var_ann_d): Ditto.
5671 (enum escape_type): New.
5672 (mark_call_clobbered): Adjust prototype.
5673 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
5674 are never call clobbered.
5675 Record reasons for escaping.
5676 * tree-ssa-structalias.h (is_escape_site): Update prototype.
5677 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
5678 (ssa_ro_call_cache_valid): Ditto.
5679 (clobbered_v_may_defs): Ditto.
5680 (clobbered_vuses): Ditto.
5681 (ro_call_vuses): Ditto.
5682 (clobber_stats): New.
5683 (init_ssa_operands): Zero out clobber stats.
5684 (fini_ssa_operands): Print out clobber stats.
5685 (get_call_expr_operands): Pass callee fndecl to
5686 add_call_read_ops).
5687 (add_call_clobber_ops): Remove use of cache.
5688 Add use of PURE_CONST information.
5689 (add_call_read_ops): Remove use of cache.
5690 Add use of static not_read information.
5692 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
5694 Introduce TLS descriptors for i386 and x86_64.
5695 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
5696 (TARGET_ANY_GNU_TLS): New macro.
5697 (enum tls_dialect): Added TLS_DIALECT_GNU2.
5698 (struct machine_function): Add tls_descriptor_call_expanded_p.
5699 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
5700 (ix86_current_function_calls_tls_descriptor): Likewise.
5701 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
5702 (override_options): Introduce gnu2 tls dialect.
5703 (ix86_frame_pointer_required): Functions containing TLSCALLs are
5704 not leaves.
5705 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
5706 Likewise.
5707 (legitimize_tls_address): Adjust logic for GNU2 TLS.
5708 (ix86_init_machine_status): Initialize new field.
5709 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
5710 (ix86_tls_module_base): New.
5711 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
5712 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
5713 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
5714 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
5715 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
5716 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
5717 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
5718 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
5719 * config/i386/predicates.md (tls_modbase_operand): New.
5720 (tp_or_register_operand): New.
5722 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
5724 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
5725 (look_for_address_of): Ditto.
5726 (ipa_init): Walk the function decls.
5727 (static_execute): Don't set readonly on FUNCTION_DECL's.
5729 2006-01-18 Roger Sayle <roger@eyesopen.com>
5731 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
5732 for shifts where the source and destination registers are different.
5734 2006-01-18 Paul Brook <paul@codesourcery.com>
5736 Merge from csl-arm-branch.
5737 2005-03-14 Julian Brown <julian@codesourcery.com>
5738 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
5739 (aeabi_llsl): Likewise.
5740 (ashrdi3): Likewise.
5741 (aeabi_lasr): Likewise.
5742 (lshrdi3): Likewise.
5743 (aeabi_llsr): Likewise.
5744 2005-03-10 Julian Brown <julian@codesourcery.com>
5745 * config.gcc: Disable shared libgcc for SymbianOS.
5746 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
5748 2006-01-18 DJ Delorie <dj@redhat.com>
5750 * c-pragma.c (handle_pragma_diagnostic): New.
5751 (init_pragma): Register it.
5752 * doc/extend.texi: Document it.
5754 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
5755 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5756 (diagnostic_context): Add classify_diagnostic[].
5757 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5758 as errors if they're overridden to DK_WARNING.
5759 (diagnostic_initialize): Initialize classify_diagnostic[].
5760 (diagnostic_set_kind_override): New.
5761 (diagnostic_report_diagnostic): Check for kind changes.
5762 * opts.c (common_handle_option): Take lang_mask. Update callers.
5763 Handle OPT_Werror_.
5764 * common.opt (Werror=): New.
5765 * doc/invoke.texi: Document -Werror=*
5767 2006-01-18 Jeff Law <law@redhat.com>
5769 * tree-vrp.c (test_for_singularity): Correct test for new
5770 min limit. Use operand_equal_p rather than pointer equality
5771 for testing if new min/max values are equal.
5773 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5774 using range information until after propagation and folding.
5776 2006-01-18 Richard Henderson <rth@redhat.com>
5777 Aldy Hernandez <aldyh@redhat.com>
5778 Jakub Jelinek <jakub@redhat.com>
5779 Diego Novillo <dnovillo@redhat.com>
5781 * omp-low.c: New file.
5782 * c-omp.c: New file.
5784 2006-01-18 Richard Henderson <rth@redhat.com>
5785 Jakub Jelinek <jakub@redhat.com>
5786 Diego Novillo <dnovillo@redhat.com>
5788 * doc/invoke.texi: Document -fopenmp.
5789 * tree-dump.h (debug_function): Declare.
5790 * hooks.c (hook_bool_tree_bool_false): New function.
5791 (hook_tree_tree_null): Remove.
5792 (hook_tree_tree_tree_null): New.
5793 * hooks.h: Update to match.
5794 * tree-pretty-print.c (debug_tree_chain): New.
5795 (print_generic_expr): Handle TDF_CHAIN.
5796 (dump_generic_node): Handle BLOCK.
5797 Do not abort with incomplete SWITCH_EXPRs.
5798 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5799 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5800 print space after directive name.
5801 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5802 Handle OMP_MASTER and OMP_ORDERED.
5803 Handle printing of OMP_BODY just in one place, goto
5804 dump_omp_body in the rest of OMP_* nodes that have
5805 OMP_BODY.
5806 Don't handle clause nodes here. Update omp statements to
5807 use dump_omp_clauses.
5808 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5809 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5810 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5811 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5812 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5813 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5814 Adjust output for GOMP_PARALLEL.
5815 (dump_omp_clauses): New.
5816 (print_declaration): Dump DECL_VALUE_EXPR.
5817 (op_symbol_1): Split out of op_symbol.
5818 (dumping_stmts): Remove. Update all users.
5819 * cgraph.c (cgraph_analyze_queue): New.
5820 (cgraph_add_new_function): New.
5821 * cgraph.h (cgraph_analyze_queue): Declare.
5822 (cgraph_add_new_function): Declare.
5823 (cgraph_lower_function): Remove.
5824 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5825 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5826 and TYPE_P nodes in its default clause.
5827 (empty_body_p): New.
5828 (tree_range_check_failed): New.
5829 (build5_stat): New.
5830 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5831 OMP_CLAUSE_REDUCTION_MERGE,
5832 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5833 OMP_CLAUSE_PRIVATE_DEBUG,
5834 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5835 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5836 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5837 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5838 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5839 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5840 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5841 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
5842 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
5843 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
5844 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
5845 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
5846 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
5847 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
5848 (TREE_RANGE_CHECK): New.
5849 (empty_body_p): Declare.
5850 (enum omp_clause_default_kind): New.
5851 (build_string_literal): Declare.
5852 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5853 (build5_stat, build5): Declare.
5854 * tree-pass.h (TDF_CHAIN): Define.
5855 * tree-pass.h (PROP_gimple_lomp): Define.
5856 (pass_lower_omp): Declare.
5857 * diagnostic.h (debug_tree_chain): Declare.
5858 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5859 mode_for_size.
5860 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5861 * builtins.c (build_string_literal): Make extern.
5862 * gcc.c (include_spec_function): New.
5863 (static_spec_functions): Add it.
5864 (main): Move load of libgomp.spec ...
5865 (LINK_COMMAND_SPEC): ... here.
5866 (link_gomp_spec): New.
5867 (static_specs): Include it.
5868 (LINK_COMMAND_SPEC): Add link_gomp.
5869 (GOMP_SELF_SPECS): New.
5870 (driver_self_specs): Include it.
5871 (switch_matches): Don't mark inline.
5872 (main): Load libgomp.spec.
5873 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5874 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5875 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5876 * tree-gimple.h (enum omp_parallel): Declare.
5877 (determine_parallel_type): Declare.
5878 (omp_firstprivatize_variable): Declare.
5879 (omp_reduction_init): Declare.
5880 (diagnose_omp_structured_block_errors): Declare.
5881 (struct walk_stmt_info): Add want_return_expr.
5882 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5883 (find_omp_clause): Declare.
5884 (insert_field_into_struct): Declare.
5885 (struct walk_stmt_info): Move from tree-nested.c
5886 (walk_stmts): Declare.
5887 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5888 to 200505.
5889 * cgraphunit.c (cgraph_lower_function): Make static.
5890 (cgraph_finalize_pending_functions): New.
5891 (cgraph_finalize_function): Call it.
5892 (cgraph_finalize_compilation_unit): Likewise.
5893 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5894 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5895 (BT_FN_UINT_UINT): New.
5896 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5897 DEF_FUNCTION_TYPE_VAR_4): Document.
5898 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5899 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5900 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5901 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5902 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5903 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5904 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5905 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5906 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5907 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5908 into separate files.
5909 (DEF_GOMP_BUILTIN): New.
5910 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5911 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5912 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5913 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5914 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5915 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5916 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5917 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5918 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5919 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5920 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5921 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5922 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5923 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5924 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5925 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5926 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5927 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5928 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5929 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5930 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5931 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5932 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5933 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5934 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5935 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5936 * sync-builtins.def: New file, moved from builtins.def.
5937 * omp-builtins.def: New file, moved from builtins.def.
5938 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5939 * gimple-low.c (lower_function_body): Clear data.
5940 (lower_stmt): Do not handle COMPOUND_EXPR.
5941 Remove call to print_node_brief.
5942 * c-tree.h (c_finish_omp_clauses): New prototype.
5943 (C_DECL_THREADPRIVATE_P): Define.
5944 (lookup_name_no_remap, c_omp_remap_private): Remove
5945 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5946 (check_for_loop_decls): Update decl.
5947 (lookup_name_no_remap, c_omp_remap_private): Declare.
5948 (build_indirect_ref, build_modify_expr, pushdecl,
5949 pushdecl_top_level): Move to c-common.h.
5950 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5951 before the switch, but just in the 2 places that need it.
5952 * c-decl.c (diagnose_mismatched_decls): Do not check for
5953 mismatched thread-local attributes when OLDDECL is marked
5954 threadprivate and NEWDECL has no thread-local attributes.
5955 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5956 (c_gimple_diagnostics_recursively): Rename from
5957 c_warn_unused_result_recursively. Invoke
5958 diagnose_omp_structured_block_errors.
5959 (check_for_loop_decls): Return a singular decl found.
5960 * langhooks.c (lhd_omp_predetermined_sharing): Return
5961 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5962 (lhd_omp_firstprivatize_type_sizes): New.
5963 (lhd_omp_assignment): New.
5964 (lhd_omp_predetermined_sharing): New.
5965 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5966 (struct lang_hooks_for_types): Add
5967 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5968 omp_predetermined_sharing, omp_disregard_value_expr,
5969 omp_private_debug_clause, omp_clause_default_ctor,
5970 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5971 (c_finish_omp_clauses): New.
5972 (c_finish_bc_stmt): Diagnose break within omp for.
5973 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5974 (build_unary_op): Return error_mark after reporting
5975 a readonly_error.
5976 (build_modify_expr): Likewise.
5977 * gimplify.c: Include optabs.h and pointer-set.h.
5978 (enum gimplify_omp_var_data): Declare.
5979 (struct gimplify_omp_ctx): Declare.
5980 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5981 and combined_ctxp.
5982 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5983 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5984 (splay_tree_compare_decl_uid): New.
5985 (new_omp_context): New.
5986 (delete_omp_context): New.
5987 (gimple_add_tmp_var): Call omp_add_variable.
5988 (gimplify_bind_expr): Likewise.
5989 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5990 true, disregard DECL_VALUE_EXPR on the decl if any.
5991 (gimplify_expr_in_ctx): New.
5992 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5993 omp_add_variable, omp_notice_variable, omp_is_private
5994 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5995 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5996 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5997 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5998 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5999 gimplify_omp_atomic): New.
6000 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6001 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6002 OMP_CRITICAL and OMP_ATOMIC.
6003 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
6004 * c-pragma.h (enum pragma_kind): Add
6005 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
6006 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
6007 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
6008 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
6009 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
6010 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
6011 PRAGMA_OMP_THREADPRIVATE.
6012 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6013 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6014 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
6015 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
6016 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
6017 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
6018 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
6019 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
6020 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
6021 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
6022 * tree-ssa-dce.c (find_control_dependence): Do not assume that
6023 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
6024 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
6025 OpenMP directives.
6026 (struct nesting_info): Add field_map,
6027 suppress_expansion, debug_var_chain.
6028 (create_nesting_tree): Initialize them.
6029 (lookup_field_for_decl): Use field_map.
6030 (get_nonlocal_debug_decl, get_local_debug_decl): New.
6031 (convert_local_omp_clauses): New.
6032 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
6033 (walk_body): Split out of walk_function.
6034 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
6035 (convert_nonlocal_reference): Handle omp statements.
6036 (convert_local_reference): Likewise.
6037 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
6038 (unnest_nesting_tree): New.
6039 (lower_nested_functions): Call it.
6040 (insert_field_into_struct): Make extern.
6041 (struct walk_stmt_info): Move to tree-gimple.h.
6042 (walk_stmts): Make extern.
6043 * omp-builtins.def: New file.
6044 * tree-iterator.c (expr_only): Clarify comment.
6045 * c-common.h (pushdecl_top_level, pushdecl,
6046 build_modify_expr, build_indirect_ref,
6047 c_finish_omp_master, c_finish_omp_critical,
6048 c_finish_omp_ordered, c_finish_omp_barrier,
6049 c_finish_omp_atomic, c_finish_omp_flush,
6050 c_finish_omp_for, c_split_parallel_clauses,
6051 omp_clause_default_kind, c_omp_sharing_predetermined,
6052 c_omp_remap_decl): Declare.
6053 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
6054 (OBJS-common): Add omp-low.o.
6055 (c-omp.o, omp-low.o): Add.
6056 (gimplify.o): Add dependency on $(OPTABS_H).
6057 (GTFILES): Add omp-low.c.
6058 (gt-stringpool.h): Add.
6059 * tree-cfg.c (set_bb_for_stmt): Do not update the
6060 block-to-labels map if we are currently expanding to RTL.
6061 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
6062 checks.
6063 Handle IDENTIFIER_NODE.
6064 (tree_verify_flow_info): Do not ICE when emitting error
6065 messages about invalid labels.
6066 (dump_function_to_file): Reset CFUN before emitting the body
6067 of the function.
6068 (debug_function): New.
6069 * passes.c (init_optimization_passes): Schedule
6070 pass_lower_omp.
6071 * langhooks-def.h (lhd_omp_predetermined_sharing,
6072 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
6073 Declare.
6074 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
6075 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
6076 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
6077 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
6078 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
6079 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
6080 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
6081 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
6082 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
6083 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
6084 (LANG_HOOK_DECLS): Use them.
6086 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
6087 Richard Henderson <rth@redhat.com>
6088 Jakub Jelinek <jakub@redhat.com>
6089 Diego Novillo <dnovillo@redhat.com>
6091 * c-parser.c (pragma_omp_clause): Define.
6092 (c_parser_declaration_or_fndef): Document OpenMP syntax.
6093 (c_parser_compound_statement): Likewise.
6094 (c_parser_statement): Likewise.
6095 (c_parser_pragma): Handle omp pragmas.
6096 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
6097 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
6098 (c_parser_omp_clause_name, check_no_duplicate_clause,
6099 c_parser_omp_variable_list,
6100 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
6101 c_parser_omp_clause_copyprivate,
6102 c_parser_omp_clause_default,
6103 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
6104 c_parser_omp_clause_lastprivate,
6105 c_parser_omp_clause_nowait,
6106 c_parser_omp_clause_num_threads,
6107 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
6108 c_parser_omp_clause_reduction,
6109 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
6110 c_parser_omp_all_clauses, c_parser_omp_structured_block,
6111 c_parser_omp_atomic, c_parser_omp_barrier,
6112 c_parser_omp_critical, c_parser_omp_flush,
6113 c_parser_omp_for_loop, c_parser_omp_for,
6114 c_parser_omp_master, c_parser_omp_ordered,
6115 c_parser_omp_sections_scope, c_parser_omp_sections,
6116 c_parser_omp_parallel, c_parser_omp_single,
6117 c_parser_omp_construct, c_parser_omp_threadprivate): New.
6118 * c-pragma.c (init_pragma): Do omp pragma registration here.
6119 * c.opt (fopenmp): New flag.
6121 2006-01-18 Eric Christopher <echristo@apple.com>
6123 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
6124 * config/darwin.h (GOMP_SELF_SPECS): Define.
6126 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6128 * rtl.h: Remove the prototype for reg_alloc.
6130 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6132 PR target/25731
6133 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
6134 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
6135 sjlj and dwarf2 exception handling.
6136 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
6137 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
6138 * pa/pa.c (function_value): Treat complex and vector types as
6139 aggregates.
6140 (function_arg): Likewise. Only pass scalar floats in the floating
6141 point argument registers.
6142 * pa/t-slibgcc-dwarf-ver: New file.
6143 * pa/t-slibgcc-sjlj-ver: New file.
6144 * pa/t-slibgcc-elf-ver: Delete file.
6146 2006-01-19 Alan Modra <amodra@bigpond.net.au>
6148 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
6149 unlikely_test_section_p test.
6151 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6153 * mode-switching.c (optimize_mode_switching): Make it static.
6154 * basic-block.h: Remove the prototype for
6155 optimize_mode_switching.
6157 * modulo-sched.c (sms_schedule): Make it static.
6158 * rtl.h: Remove the prototype for sms_schedule.
6160 * postreload-gcse.c (gcse_after_reload_main): Make it static.
6161 * rtl.h: Remove the prototype for gcse_after_reload_main.
6163 * reg-stack.c (reg_to_stack): Make it static.
6164 * rtl.h: Remove the prototype for reg_to_stack.
6166 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
6167 Make them static.
6168 * rtl.h: Remove the prototypes for regrename_optimize and
6169 copyprop_hardreg_forward.
6171 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
6173 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
6174 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
6175 Test against the appropriate null constant for the mode.
6176 If 'fixup_overlap' is true, swap the operands if they overlap.
6177 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
6178 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
6179 alpha_split_tmode_pair and adjust for above change.
6180 * config/alpha/alpha.md (movtf_internal): Adjust call to
6181 alpha_split_tfmode_pair and rely on it to swap the operands.
6182 (movti_internal): New insn and post-reload splitter.
6183 (movti): New expander.
6185 2006-01-18 Philippe De Muyter <phdm@macqel.be>
6187 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
6188 operands.
6190 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6192 * rtlanal.c (global_reg_mentioned_p_1,
6193 global_reg_mentioned_p): Remove.
6194 * rtl.h: Remove the prototype for global_reg_mentioned_p.
6196 * flow.c (initialize_uninitialized_subregs): Make it static.
6197 * rtl.h: Remove the prototype for
6198 initialize_uninitialized_subregs.
6200 * function.c (instantiate_virtual_regs): Make it static.
6201 * function.h: Remove the prototype for
6202 instantiate_virtual_regs.
6204 * regmove.c (regmove_optimize, combine_stack_adjustments):
6205 Make them static.
6206 * rtl.h: Remove the prototypes for regmove_optimize and
6207 combine_stack_adjustments.
6209 2006-01-17 Roger Sayle <roger@eyesopen.com>
6211 * config/i386/i386.c (COSTS_N_BYTES): New macro.
6212 (size_cost): Encode costs in bytes so that a reg-reg addition is
6213 equivalent to COSTS_N_INSNS(1).
6214 (override_options): Use the size_cost.branch_cost as the default
6215 ix86_branch_cost when optimizing for size.
6217 2006-01-18 Ben Elliston <bje@au.ibm.com>
6219 * Makefile.in (D32PBIT_FUNCS): New.
6220 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
6221 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
6222 D64PBIT_FUNCS and D128PBIT_FUNCS.
6223 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
6224 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
6225 D128PBIT are set.
6226 (decnumber_dep): Define.
6227 * doc/libgcc.texi (Decimal float library routines): New node.
6228 * config/dfp-bit.h, config/dfp-bit.c: New files.
6230 2006-01-18 Ben Elliston <bje@au.ibm.com>
6232 * expr.c (emit_move_change_mode): Always adjust addresses, not
6233 just during reload. Copy replacements only during reload.
6234 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
6235 emit_move_via_integer.
6237 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
6239 * Makefile.in (check-%, check-consistency): Use $${srcdir}
6240 instead of $(srcdir) and ${srcdir}.
6242 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
6244 PR target/592
6245 PR middle-end/11135
6246 * arm.h (struct machine_function): Add pic_reg.
6247 * arm.c (arm_pic_register): Make unsigned.
6248 (arm_override_options): Only set arm_pic_register if
6249 TARGET_SINGLE_PIC_BASE.
6250 (use_return_insn): Only test for a pic register if it is fixed.
6251 (arm_compute_save_reg0_reg12_mask): Likewise.
6252 (thumb_compute_save_reg_mask): Likewise.
6253 (legitimate_pic_operand): Factor out some known invariants.
6254 (legitimize_pic_address): If we don't have a fixed pic register,
6255 then set up a pseudo in the function entry sequence. Handle the
6256 pic base being in a pseudo.
6257 (arm_load_pic_register): Handle the pic register being in a pseudo.
6258 (arm_expand_prologue): Only set up the pic register if it is fixed.
6259 (thumb_expand_prologue): Likewise.
6260 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
6261 (pic_load_addr_based_insn): Likewise.
6262 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
6263 fixed.
6265 2006-01-18 Ben Elliston <bje@au.ibm.com>
6267 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
6268 decimal float modes for all floating point registers.
6270 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
6271 match_code "mem" with match_test "macho_lo_sum_memory_operand".
6273 2006-01-17 Jakub Jelinek <jakub@redhat.com>
6275 PR c/25682
6276 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
6277 even when the pointer is not NULL.
6279 2006-01-16 Ian Lance Taylor <ian@airs.com>
6281 * common.opt (ftoplevel-reorder): New option.
6282 * cgraph.c (cgraph_asm_nodes): New global variable.
6283 (cgraph_asm_last_node): New static variable.
6284 (cgraph_order): New global variable.
6285 (cgraph_create_node): Set new order field.
6286 (cgraph_varpool_node): Likewise.
6287 (decide_is_variable_needed): Return true if not
6288 flag_toplevel_reorder.
6289 (cgraph_add_asm_node): New function.
6290 * cgraph.h (struct cgraph_node): Add order field.
6291 (struct cgraph_varpool_node): Add order field.
6292 (struct cgraph_asm_node): Define.
6293 (cgraph_asm_nodes, cgraph_order): Declare.
6294 (cgraph_add_asm_node): Declare.
6295 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
6296 function.
6297 (cgraph_varpool_assemble_pending_decls): Call it.
6298 (cgraph_output_pending_asms): New static function.
6299 (cgraph_finalize_compilation_unit): Call it.
6300 (struct cgraph_order_sort): Define.
6301 (cgraph_output_in_order): New static function.
6302 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
6303 !flag_toplevel_reorder case.
6304 * c-parser.c: Include "cgraph.h".
6305 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
6306 assemble_asm.
6307 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
6308 than -fno-unit-at-a-time.
6309 * doc/invoke.texi (Option Summary): Mention
6310 -fno-toplevel-reorder.
6311 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
6312 -funit-at-a-time documentation.
6314 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
6315 Kazu Hirata <kazu@codesourcery.com>
6317 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
6319 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
6321 * Makefile.in (FUNCTION_H): New. Use it instead of
6322 function.h throughout the file.
6323 * function.h: Include tree.h.
6325 2006-01-17 Ben Elliston <bje@au.ibm.com>
6327 * recog.c: Separate some functions with whitespace.
6329 2006-01-16 Richard Henderson <rth@redhat.com>
6331 Merge from gomp branch:
6332 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
6333 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
6334 and rename from struct inline_data. Rename callee* to dst*;
6335 caller* to src*; add copy_decl hook, transform_call_graph_edges,
6336 transform_new_cfg, transform_return_to_modify, and
6337 transform_lang_insert_block flags; remove cloning_p, versioning_p,
6338 update_clones_p.
6339 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
6340 (copy_decl_for_dup): Remove.
6341 * tree-inline.c (struct inline_data): Move to header.
6342 (insert_decl_map): Export.
6343 (remap_decl): Update for member name changes. Use copy_decl hook.
6344 Allow for replacement to be a non-decl. Remove dead code.
6345 (remap_type_1): Check for existing mapping.
6346 (remap_type): Export.
6347 (remap_decls): Update for member name changes.
6348 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
6349 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
6350 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
6351 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
6352 (tree_function_versioning, build_duplicate_type): Likewise.
6353 (copy_body_r): Likewise. Export.
6354 (copy_decl_for_dup): Split into ...
6355 (copy_decl_for_dup_finish, copy_decl_to_var,
6356 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
6357 (replace_ref_tree, inlining_p): Remove.
6359 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6361 * ifcvt.c (if_convert): Make it static.
6362 * rtl.h: Remove the prototype for if_convert.
6364 * local-alloc.c (local_alloc): Make it static.
6365 * rtl.h: Remove the prototype for local_alloc.
6367 * loop.c (loop_optimize): Make it static.
6368 * cfgloop.h: Remove the prototype for loop_optimize.
6369 * rtl.h: Likewise.
6371 2006-01-16 DJ Delorie <dj@redhat.com>
6373 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
6374 mems.
6376 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6378 * pa.md: Disparage copies between general and floating-point registers
6379 in 32-bit move patterns.
6381 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
6383 PR testsuite/25741
6384 * Makefile.in (check-%): Depend on site.exp instead of
6385 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
6386 directories.
6388 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6390 * global.c (global_alloc): Make it static.
6391 * rtl.h: Remove the prototype for global_alloc.
6393 2006-01-16 Richard Guenther <rguenther@suse.de>
6395 * tree-ssa-alias.c (struct used_part): Add write_only field.
6396 (get_or_create_used_part_for): Initialize it to true.
6397 (create_overlap_variables_for): Don't create structure variables
6398 for structures that only are written to.
6399 (find_used_portions): Handle MODIFY_EXPR to track whether a
6400 structure is only written to.
6402 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6404 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
6405 static.
6406 * basic-block.h: Remove the prototype for
6407 partition_hot_cold_basic_blocks.
6409 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
6411 * cppspec.c (lang_specific_spec_functions): Remove.
6412 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
6413 * gcc.h (lang_specific_spec_functions): Remove.
6414 * gccspec.c (lang_specific_spec_functions): Remove.
6416 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
6418 * combine.c (record_value_for_reg): Invalidate registers
6419 if INSN is null.
6420 (record_dead_and_set_regs_1): Likewise, by passing them to
6421 record_value_for_reg.
6422 (record_dead_and_set_regs): Invalidate stores made by a
6423 call. We do not combine across a call, but we still
6424 relied on equivalences.
6426 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6428 * tree-vrp.c (extract_range_from_binary_expr): Cope with
6429 vrp_int_const_binop returning non-constant nodes.
6431 2006-01-16 Paul Brook <paul@codesourcery.com>
6433 * config/m68k/m68k.c (output_move_const_into_data_reg):
6434 Output correct mnemonic for mvz and mvs.
6436 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
6438 * rtl-factoring.c: Add sequence abstraction algorithm.
6439 * cfgcleanup.c (outgoing_edges_match): Extra checks.
6440 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
6441 ABNORMAL edges.
6442 (block_has_preserve_label): New function.
6443 * common.opt: Register new pass.
6444 * Makefile.in: Ditto.
6445 * passes.c: Ditto.
6446 * timevar.def: Ditto.
6447 * tree-pass.h: Ditto.
6448 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
6449 * rtl.h (make_jump_insn_raw): Add forward decl.
6450 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
6452 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6453 Roger Sayle <roger@eyesopen.com>
6455 * fold-const.c (fold_minmax): New static function.
6456 (fold_binary) <MIN_EXPR>: Call it.
6457 <MAX_EXPR>: Likewise.
6458 * stor-layout.c (place_field): Use DECL_SIZE consistently
6459 in the computation of the new record size.
6461 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6463 * cse.c (cse_condition_code_reg): Make it static.
6464 * rtl.h: Remove the prototype for cse_condition_code_reg.
6466 * combine.c (combine_instructions): Make it static.
6467 * rtl.h: Remove the prototype for combine_instructions.
6469 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6471 PR target/25168
6472 * tree.c (get_file_function_name_long): Concatenate the first global
6473 object name with a string derived from the input filename of the object
6474 for type "F".
6476 2006-01-16 Ben Elliston <bje@au.ibm.com>
6478 * config/i386/winnt-stubs.c: Update FSF address.
6479 * config/xtensa/ieee754-df.S: Ditto.
6480 * config/xtensa/ieee754-sf.S: Ditto.
6482 2006-01-14 Ian Lance Taylor <ian@airs.com>
6484 * ifcvt.c (noce_init_if_info): New static function, broken out of
6485 noce_process_if_block.
6486 (noce_process_if_block): Call noce_init_if_info.
6487 (check_cond_move_block): New static function.
6488 (cond_move_process_if_block): New static function.
6489 (process_if_block): Call cond_move_process_if_block.
6491 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
6493 * cselib.c (hash_table): Rename to cselib_hash_table.
6494 (cselib_clear_table, discard_useless_values,
6495 remove_useless_values, cselib_lookup_mem, cselib_lookup,
6496 cselib_init, cselib_finish): Adjust uses of hash_table.
6498 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
6500 PR tree-optimization/25485
6501 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
6502 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
6503 is known to be false and true, respectively.
6505 2006-01-14 Richard Guenther <rguenther@suse.de>
6507 PR tree-optimization/22548
6508 PR tree-optimization/22555
6509 PR tree-optimization/22501
6510 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
6511 * params.def (salias-max-array-elements): New parameter.
6512 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
6513 * doc/invoke.texi (salias-max-array-elements): Document.
6514 * tree-flow-inline.h (var_can_have_subvars): We also handle
6515 arrays now.
6516 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
6517 COMPONENT_REF.
6518 * tree-ssa-structalias.c (params.h): Include.
6519 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
6520 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
6521 (get_constraint_for): For ADDR_EXPR operating on something
6522 containing an ARRAY_REF, add all subvars to the solution.
6523 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
6524 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
6525 for creating MUST_DEFs.
6526 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
6528 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
6530 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
6531 functions.
6532 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
6533 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6534 number_of_iterations_le): New functions.
6535 (number_of_iterations_special): Removed.
6536 (number_of_iterations_exit): Do not use number_of_iterations_special.
6537 * tree.c (unsigned_type_for): Always return integer type.
6539 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
6540 Richard Guenther <rguenther@suse.de>
6542 PR rtl-optimization/24257
6543 * gcse.c (find_moveable_store): Only consider a store movable
6544 when the SET_SRC of the insn can be assigned to a register.
6546 2006-01-14 Ian Lance Taylor <ian@airs.com>
6548 * tree.c (tree_not_class_check_failed): New function.
6549 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
6550 (tree_not_class_check_failed): Declare.
6552 2006-01-13 Ian Lance Taylor <ian@airs.com>
6554 * reload1.c (do_output_reload): Add assertion rejecting a
6555 CALL_INSN.
6557 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
6559 * combine.c (struct reg_stat): Add new fields truncation_label and
6560 truncated_to_mode.
6561 (record_value_for_reg): Reset truncated_to_mode.
6562 (record_truncated_value): New function.
6563 (check_promoted_subreg): Call it. Rename to check_conversions.
6564 (combine_instructions): Rename check_promoted_subreg to
6565 check_conversions.
6566 (reg_truncated_to_mode): New function.
6567 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
6568 (gen_lowpart_or_truncate): New function.
6569 (force_to_mode): Use it instead of gen_lowpart.
6571 2006-01-13 Diego Novillo <dnovillo@redhat.com>
6573 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
6574 VAR is a tag, not its type tag.
6576 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
6578 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
6579 alternatives to match style of other entries.
6580 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
6582 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
6584 PR tree-optimization/25771
6585 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
6586 SSA_NAMES.
6588 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
6590 PR tree-opt/24365
6591 * tree-inline.c (declare_return_variable): If the return variable
6592 was marked as a non gimple complex, set the return slot variable
6593 to be a non gimple comple variable.
6595 2006-01-13 Richard Guenther <rguenther@suse.de>
6597 * builtins.c (expand_builtin_sincos): New function.
6598 (expand_builtin_mathfn_3): Remove dead code, sin and cos
6599 do not set errno.
6600 (expand_builtin): Expand sincos using expand_builtin_sincos.
6602 2006-01-12 DJ Delorie <dj@redhat.com>
6604 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
6605 shift counts, separate SI shifts for m32c vs m16c, pass shift type
6606 so that constant shifts can be split.
6607 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
6608 (m32c_valid_pointer_mode): Make static.
6609 (shift_gen_func_for): New.
6610 (m32c_prepare_shift): Use it. Split large const shifts into
6611 multiple shifts.
6612 * config/m32c/predicates.md (shiftcount_operand): Allow more
6613 general operands.
6614 (longshiftcount_operand): New.
6615 * doc/md.texi (Machine Constraints): Document In6.
6617 2006-01-13 Ben Elliston <bje@au.ibm.com>
6619 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
6620 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
6621 documentation.
6623 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
6625 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
6626 to try to avoid clobbering pieces of structures when we know
6627 something about the whole structure.
6628 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
6630 2006-01-13 Ben Elliston <bje@au.ibm.com>
6632 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
6633 return in memory, as this is no limitation is no longer present.
6635 2006-01-12 DJ Delorie <dj@redhat.com>
6637 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
6638 mova with fb, and for fb+0 -> An.
6640 * config/m32c/mov.md (peephole2): Fix enabling logic.
6642 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
6643 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
6644 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
6645 FINI_ARRAY_SECTION_ASM_OP): Define.
6647 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
6648 variable.
6649 (m32c_legitimize_reload_address): New logic to reload FB to An.
6650 (m32c_output_reg_push): Add newline.
6651 (m32c_output_reg_pop): Likewise.
6653 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
6655 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
6657 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
6659 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6661 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6663 * config/sh/predicates.md (sh_rep_vec): Add parallel to
6664 match_code.
6666 2006-01-11 Ben Elliston <bje@au.ibm.com>
6668 * rtlanal.c (find_reg_note): Assert insn is not null.
6670 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6672 * df-scan.c (df_hard_reg_init): Move declaration of i outside
6673 ifdef.
6675 2006-01-11 Jeff Law <law@redhat.com>
6677 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
6678 hold edge pairs.
6679 (mark_threaded_blocks, register_jump_thread): New functions.
6680 (thread_through_all_blocks): Remove unwanted argument. No
6681 longer rely on e->aux to communicate thread target info.
6682 Call mark_threaded_blocks. Release the threaded_blocks
6683 bitmap and threaded_edges vector when complete.
6684 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
6685 (threaded_blocks): Remove.
6686 (tree_ssa_dominator_optimize): Remove initialization and
6687 finalization of threaded_blocks. Simplify call to
6688 thread_through_all_blocks.
6689 (thread_across_edge): Call register_jump_thread rather than
6690 storing thread information into e->aux.
6691 (free_all_edge_infos): Simplify now that e->aux is no longer
6692 used to communicate with thread_through_all_blocks.
6693 * tree-flow.h (thread_through_all_blocks): Update prototype.
6694 (register_jump_thread): Prototype.
6696 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6698 * df-core.c (df_compact_blocks, df_bb_replace): Use
6699 SET_BASIC_BLOCK instead of BASIC_BLOCK.
6701 2006-01-11 Richard Guenther <rguenther@suse.de>
6703 PR tree-optimization/25734
6704 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
6705 stop propagation after successful propagation to the LHS.
6707 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6709 * basic-block.h (control_flow_graph): Change the type of
6710 x_basic_block_info to VEC(basic_block,gc) *.
6711 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
6712 basic_block_info.
6713 (SET_BASIC_BLOCK): New.
6714 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
6715 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
6716 * cfgbuild.c (find_basic_blocks): Likewise.
6717 * cfglayout.c (fixup_reorder_chain): Likewise.
6718 * cfgrtl.c (create_basic_block_structure,
6719 rtl_create_basic_block): Likewise.
6720 * ifcvt.c (find_if_case_1): Likewise.
6721 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
6722 Likewise.
6724 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6726 * Makefile.in: Removed rotted odf.c entry.
6728 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
6730 PR target/25706
6731 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
6732 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
6733 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
6734 output pattern modifier, not %e.
6735 * config/cris/cris.c (cris_op_str): Update comment about pattern
6736 modifier.
6737 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
6738 before falling through into...
6739 <case 'E'>: Redefined from old 'e' case.
6741 2006-01-11 Jan Hubicka <jh@suse.cz>
6743 PR target/25042
6744 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
6746 2006-01-11 Jan Hubicka <jh@suse.cz>
6748 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
6749 * i386.c (x86_decompose_lea): Kill.
6750 (ix86_rtx_costs): Kill.
6752 2006-01-11 Jan Hubicka <jh@suse.cz>
6754 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
6755 * cgraph.h (cgraph_node): Add inline_decl.
6756 (cgraph_insert_node_to_hashtable): Declare.
6757 (save_inline_function_body): Declare.
6758 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6759 clones.
6760 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6761 (cgraph_function_versioning): Update call of tree_function_versioning.
6762 (save_inline_function_body): New function.
6763 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6764 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6765 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6766 (cgraph_default_inline_p): Likewise.
6767 (cgraph_decide_inlining_incrementally): Likewise.
6768 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6769 (copy_bb): Kill saving; do updating of clones.
6770 (copy_cfg_body): Kill saving.
6771 (initialize_inlined-parameters): Likewise.
6772 (expand_call_inline): Likewise.
6773 (save_body): Kill.
6774 (tree_function_versioning): New parameter "update_clones".
6775 (inlining_p): Kill saving.
6776 * tree-inline.h (tree_function_versioning): Update prototype.
6777 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6778 saving.
6780 2006-01-11 Ian Lance Taylor <ian@airs.com>
6782 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6783 Allow undoing set of machine mode.
6784 (do_SUBST): Use enums instead of is_int.
6785 (do_SUBST_MODE): New function.
6786 (SUBST_MODE): New macro.
6787 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6788 reg and trying to replace reg_regno_rtx with a new register.
6789 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6790 (simplify_set): Use SUBST_MODE.
6791 (distribute_notes): Remove code that tried to update reg notes
6792 for regno_reg_rtx changes.
6794 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6796 PR tree-optimization/23109
6797 PR tree-optimization/23948
6798 PR tree-optimization/24123
6800 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6801 * tree-cfg.c (single_noncomplex_succ): New.
6802 * tree-flow.h (single_noncomplex_succ): Declare it.
6803 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6804 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6805 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6806 insert_bb, register_division_in, insert_reciprocals,
6807 replace_reciprocal, free_bb): New.
6808 (execute_cse_reciprocals_1): Rewritten.
6809 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6810 Do not commit any edge insertion. Always compute dominators and
6811 create the allocation pool.
6812 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6813 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6814 * targhooks.c (default_min_divistions_for_recip_mul): New.
6815 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6816 * passes.c (init_optimization_passes): Run recip after tree loop
6817 optimizations.
6818 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6820 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6821 Kenneth Zadeck <zadeck@naturalbridge.com>
6823 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6824 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6825 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6826 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6827 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6828 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6829 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6830 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6831 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6832 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6833 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6834 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6835 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6836 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6837 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6838 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6839 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6840 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6841 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
6842 DF_SCAN_POST_ALLOC): New macros.
6843 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
6844 df_free_bb_function, df_local_compute_function, df_init_function,
6845 df_dataflow_function, df_confluence_function_0,
6846 df_confluence_function_n, df_transfer_function,
6847 df_finalizer_function, df_free_function, df_dump_problem_function,
6848 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
6849 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6850 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6851 df_urec_bb_info, ) New types.
6852 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6853 variables.
6854 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6855 df_analyze_simple_change_some_blocks,
6856 df_analyze_simple_change_one_block, df_compact_blocks,
6857 df_bb_replace, df_bb_regno_last_use_find,
6858 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6859 df_insn_regno_def_p, df_find_def, df_find_use,
6860 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6861 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6862 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6863 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6864 debug_df_chain, df_get_dependent_problem, df_chain_create,
6865 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6866 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6867 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6868 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6869 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6870 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6871 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6872 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6873 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6874 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6875 df_reorganize_refs, df_set_state, df_hard_reg_init,
6876 df_read_modify_subreg_p) New public functions.
6877 * df-core.c: The core dataflow solver and glue routines for rtl
6878 dataflow.
6879 (df_init, df_add_problem, df_set_blocks, df_finish,
6880 df_hybrid_search_forward, df_hybrid_search_backward,
6881 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6882 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6883 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6884 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6885 df_reg_defined, df_find_use, df_reg_used, df_dump,
6886 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6887 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6888 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6889 debug_df_useno, reset_df_after_reload): New functions.
6890 * df-scan.c: The scanning fuctions, once in df.c, completely
6891 rewritten so that they now fully model the functionality of
6892 register usage at the backend.
6893 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6894 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6895 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6896 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6897 df_get_artificial_defs, df_get_artificial_uses,
6898 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6899 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6900 df_refs_delete, df_reorganize_refs, df_set_state,
6901 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6902 df_def_record_1, df_defs_record, df_uses_record,
6903 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6904 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6905 df_record_exit_block_uses, df_hard_reg_init): New functions.
6907 * df-problems.c: Seven concrete dataflow problems that use the
6908 scanning in df-scan.c and are solved by the engine in df-core.c.
6909 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6910 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6911 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6912 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6913 df_ru_free_bb_info, df_ru_alloc,
6914 df_ru_bb_local_compute_process_def,
6915 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6916 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6917 df_ru_transfer_function, df_ru_free, df_ru_dump,
6918 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6919 df_rd_free_bb_info, df_rd_alloc,
6920 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6921 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6922 df_rd_transfer_function, df_rd_free, df_rd_dump,
6923 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6924 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6925 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6926 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6927 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6928 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6929 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6930 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6931 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6932 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6933 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6934 df_urec_mark_reg_use_for_earlyclobber,
6935 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6936 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6937 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6938 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6939 df_chain_create_bb_process_use, df_chain_create_bb,
6940 df_chain_finalize, df_chain_free, df_chains_dump,
6941 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6942 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6943 df_reg_lifetime): New functions.
6944 * df.c: Deleted file.
6945 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6946 consistent with new df api.
6947 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6948 rest_of_handle_sms): Ditto.
6949 * web.c (unionfind_union, union_defs, entry_register, web_main):
6950 Ditto.
6951 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6952 invariant_expr_equal_p, find_defs, check_dependencies,
6953 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6954 free_inv_motion_data, move_loop_invariants): Ditto.
6955 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6956 Update dependencies.
6957 (odf.c): Added defective entry that was deleted later in day.
6958 * sched-deps.c (sched_analyze_1): Ditto.
6960 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6962 * tree-ssa-operands.c (get_expr_operands): Record addressable
6963 variables directly. Do not call add_stmt_operands for CONST_DECLs
6964 and ARRAY_DECLs.
6965 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6966 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6968 2006-01-11 Ben Elliston <bje@au.ibm.com>
6970 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6971 function returns true in the positive case.
6973 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6975 PR target/20754
6976 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6977 for SI, DI, SF and DF modes. Add alternatives to copy between
6978 general and floating point registers to the 32-bit patterns.
6979 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6980 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6981 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6982 generating 64-bit code.
6983 * config/pa/pa.c (output_move_double): Handle copies between general
6984 and floating registers.
6986 2006-01-10 Stuart Hastings <stuart@apple.com>
6988 * config/i386/i386.md (set_got): Update.
6989 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6990 (builtin_setjmp_receiver): Mach-O support.
6991 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6992 (GOT_SYMBOL_NAME): Define.
6993 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6994 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6995 * config/i386/i386.c (override_options): Revise for Darwin.
6996 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6997 support. (darwin_x86_file_end): New. (output_set_got): Add label
6998 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6999 * config/i386/i386-protos.h (output_set_got): Likewise.
7000 * config/darwin.c (machopic_legitimize_pic_address): Update
7001 regs_ever_live[].
7003 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
7005 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
7006 when MODE isn't BLKmode.
7008 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7010 PR rtl-optimization/25367
7011 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
7013 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
7015 PR target/25718
7016 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
7017 for a negative bound.
7019 2006-01-10 Richard Guenther <rguenther@suse.de>
7021 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7022 Never override with anything constraint.
7024 2006-01-10 Jan Beulich <jbeulich@novell.com>
7026 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
7027 256 bits when optimize_size.
7029 2006-01-10 Jan Beulich <jbeulich@novell.com>
7031 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
7032 MASK_ALIGN_DOUBLE.
7033 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
7034 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
7035 arguments.
7037 2006-01-10 Ben Elliston <bje@au.ibm.com>
7039 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
7040 float modes.
7041 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
7042 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7043 (USE_FP_FOR_ARG): Reject decimal float modes.
7044 (function_arg_advance): Likewise.
7045 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
7046 (rs6000_handle_altivec_attribute): Do not permit decimal floating
7047 point types in AltiVec vectors.
7048 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
7049 (rs6000_libcall_value): Likewise.
7051 2006-01-09 Bob Wilson <bob.wilson@acm.org>
7053 * config/xtensa/ieee754-df.S: New file.
7054 * config/xtensa/ieee754-sf.S: New file.
7055 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
7056 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
7057 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
7059 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
7061 * config/sh/predicates.md (binary_float_operator,
7062 binary_logical_operator, commutative_float_operator,
7063 equality_comparison_operator, greater_comparison_operator,
7064 less_comparison_operator, logical_operator,
7065 noncommutative_float_operator, shift_operator,
7066 symbol_ref_operand, unary_float_operator): Remove redundant
7067 conditionals.
7069 2006-01-09 Jeff Law <law@redhat.com>
7071 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
7072 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
7073 now unused arguments. Callers updated.
7074 (eliminate_redundant_computations): Remove now unused arguments,
7075 callers updated.
7076 (local_fold): Remove, no longer used.
7077 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
7078 and moved to...
7079 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
7080 (simplify_cond): New function.
7081 (forward_propagate_into_cond): Call simplify_cond.
7083 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
7085 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
7086 (*vec_extractv2di_1_sse): New.
7088 2006-01-09 Ben Elliston <bje@au.ibm.com>
7090 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
7092 2006-01-08 Richard Guenther <rguenther@suse.de>
7094 * tree-ssa-structalias.c (get_constraint_for): Remove
7095 anyoffset argument.
7096 (get_constraint_for_component_ref): Likewise.
7097 (do_deref): Likewise.
7098 (get_constraint_for): Likewise.
7099 (do_structure_copy): Likewise.
7100 (handle_ptr_arith): Likewise.
7101 (find_func_aliases): Likewise. Remove unused need_anyoffset
7102 variable.
7104 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
7105 Kaz Kojima <kkojima@gcc.gnu.org>
7107 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
7108 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
7109 (EXTRA_CONSTRAINT_C16): Remove.
7110 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
7111 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
7112 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
7113 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
7114 constants of SHmedia. Handle nested constant expressions of
7115 SHmedia correctly.
7116 (andcosts): Fix the costs for SHmedia constants.
7117 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
7118 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
7119 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
7120 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
7121 (movv4hi_i, movv2si_i): Likewise.
7122 (movsi_const): Adjust the second operand of ior so to match with
7123 the Csu constraint.
7124 (movdi_const, movdi_const_32bit): Likewise.
7125 (movdi_const_16bit+1): Don't sign-extend LOW.
7126 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
7127 step.
7128 (*double_shori): Fix the split condition. Use GEN_INT instead
7129 of get_int_mode calls. Mask lower 16-bit of the argument of
7130 the last GEN_INT.
7131 (sym2GOTPLT): Remove.
7132 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
7133 gen_rtx_UNSPEC.
7134 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
7135 instead of EXTRA_CONSTRAINT_C16.
7137 2006-01-07 Ian Lance Taylor <ian@airs.com>
7138 David Edelsohn <edelsohn@gnu.org>
7140 PR rtl-optimization/25662
7141 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
7142 for constant operands instead of simplify_gen_binary.
7143 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
7144 after trying simplify_binary_operation
7146 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
7148 * tree.c (iterative_hash_expr): Hash decls based on UID.
7150 2006-01-06 Eric Christopher <echristo@apple.com>
7152 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
7153 (TARGET_UNWIND_EMIT): Fix spelling.
7154 * target.h (gcc_target): Add except_table_label.
7155 * except.c (output_function_exception_table): Use.
7156 * varasm.c (default_emit_except_table_label): New.
7157 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
7158 define.
7159 (asm_out): Add here.
7160 * output.h (default_emit_except_table_label): Prototype.
7161 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
7162 * config/darwin.c (darwin_emit_except_table_label): Define.
7163 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
7165 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
7167 PR tree-optimization/18527
7168 * tree-ssa-loop-niter.c (number_of_iterations_cond,
7169 number_of_iterations_special, number_of_iterations_exit):
7170 Move base and step of an iv to a single structure. Add
7171 no_overflow flag, and use it in # of iterations analysis.
7172 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
7173 folded_casts argument.
7174 (simple_iv): Pass base and step in a structure. Set no_overflow
7175 flag.
7176 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
7177 Evaluate expensiveness of computing # of iterations instead of
7178 the final expression.
7179 * tree-scalar-evolution.h (affine_iv): New structure.
7180 (simple_iv): Declaration changed.
7181 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
7182 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
7183 find_givs_in_stmt): Changed due to simple_iv change.
7185 2006-01-06 Jeff Law <law@redhat.com>
7187 PR ada/24994
7188 * tree-cfg.c (bsi_replace): Rename final argument from
7189 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
7190 change (stmt -> orig_stmt).
7191 * tree-eh.c (verify_eh_throw_stmt_node): New function.
7192 (bsi_remove): Add new argument. Remove EH information
7193 if requested.
7194 (verify_eh_throw_table_statements): New function.
7195 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
7196 updated.
7197 * tree-optimize.c (execute_free_cfg_annotations): Verify
7198 the EH throw statement table after removing annotations.
7199 * except.h (verify_eh_throw_table_statements): Prototype.
7200 * tree-flow.h (bsi_remove): Update prototype.
7201 * tree-vrp.c (remove_range_assertions): Add new argument to
7202 bsi_remove call.
7203 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
7204 * tree-complex.c (expand_complex_div_wide): Likewise.
7205 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
7206 * tree-tailcall.c (eliminate_tailcall): Likewise.
7207 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
7208 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
7209 * tree-nrv.c (tree_nrv): Likewise.
7210 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
7211 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
7212 (combine_blocks): Likewise.
7213 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
7214 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
7215 (cleanup_control_flow): Likewise.
7216 (remove_forwarder_block): Likewise.
7217 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
7218 * tree-sra.c (sra_replace): Likewise.
7219 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
7220 (forward_propagate_single_use_vars): Likewise.
7221 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
7222 * tree-inline.c (expand_call_inline): Likewise.
7223 * tree-vect-transform.c (vect_transform_loop): Likewise.
7224 * tree-outof-ssa.c (rewrite_trees): Likewise.
7225 * tree-cfg.c (make_goto_expr_edges): Likewise.
7226 (cleanup_dead_labels): Likewise.
7227 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
7228 (bsi_move_before, bsi_move_after): Likewise.
7229 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
7230 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
7232 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
7234 PR tree-opt/25528
7235 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
7236 and IMAGPART_EXPR.
7237 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
7238 on non gimple variables. Also add checks at the top for decls and
7239 mtags.
7240 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
7241 complex types.
7242 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
7243 and IMAGPART_EXPR for creating MUST_DEFs.
7244 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
7245 and NAME_MEMORY_TAG separately from the DECLs.
7247 2006-01-06 Richard Guenther <rguenther@suse.de>
7249 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
7250 annotation, if necessary.
7251 * tree-ssa-pre.c (create_expression_by_pieces): Remove
7252 redundant calls to update_stmt.
7253 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
7254 Likewise.
7256 2006-01-05 Richard Henderson <rth@redhat.com>
7258 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
7260 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7262 * c-typeck.c: Update copyright date.
7264 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7266 * c-typeck.c (build_c_cast): Always warn when casting
7267 from a pointer to an integer of different size, even if
7268 the node was constant.
7270 2006-01-05 Richard Guenther <rguenther@suse.de>
7272 PR tree-optimization/22555
7273 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
7274 if one structure field is an array.
7275 * tree-ssa-operands.c (get_expr_operands): Continue scanning
7276 operands even if we found a subvar, but ignore VOPs in this
7277 case.
7278 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
7279 for renaming.
7280 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
7282 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
7284 PR middle-end/24998
7285 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
7287 2006-01-05 Richard Guenther <rguenther@suse.de>
7288 Diego Novillo <dnovillo@redhat.com>
7290 * tree-pass.h (TODO_remove_unused_locals): Define.
7291 * gimple-low.c (expand_var_p, remove_useless_vars,
7292 pass_remove_useless_vars): Remove. Update all users.
7293 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
7294 (remove_unused_locals): New function.
7295 * tree-flow.h (remove_unused_locals): Declare.
7296 * passes.c (execute_todo): Call remove_unused_locals if
7297 TODO_remove_unused_locals is set.
7298 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
7299 * tree-ssa-dce.c (pass_dce): Likewise.
7300 * tree-outof-ssa.c (pass_del_ssa): Likewise.
7302 2006-01-05 Richard Guenther <rguenther@suse.de>
7304 * tree-flow.h (struct fieldoff): Decompose field to
7305 type, size and decl.
7306 * tree-ssa-alias.c (create_sft): Take type as parameter.
7307 (create_overlap_variables_for): Store type, size and decl
7308 in the fieldoff structure.
7309 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
7310 of struct fieldoff.
7311 (push_fields_onto_fieldstack): Likewise.
7312 (create_variable_info_for): Likewise. Use offset for the
7313 SFT name if the decl is not available.
7315 2006-01-04 Paul Brook <paul@codesourcery.com>
7317 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
7319 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
7321 * lambda-code.c (can_put_in_inner_loop): Relax
7322 restrictions.
7323 (can_put_after_inner_loop): New function.
7324 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
7325 (perfect_nestify): Change to make copies and modify uses.
7327 2006-01-04 Richard Henderson <rth@redhat.com>
7329 Merge from gomp branch:
7330 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
7331 via integer constant.
7332 (pragma_lex): Remove.
7333 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
7334 rather than parsing it.
7335 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
7336 handle_pragma_extern_prefix): Add %< %> quotes.
7337 (registered_pragmas): New.
7338 (c_register_pragma_1): New.
7339 (c_register_pragma): Use it.
7340 (c_register_pragma_with_expansion): Likewise.
7341 (c_invoke_pragma_handler): New.
7342 (init_pragma): Use cpp_register_deferred_pragma directly for
7343 pch_preprocess.
7344 * c-pragma.h (enum pragma_kind): New.
7345 (pragma_handler): New.
7346 (c_invoke_pragma_handler): Declare.
7347 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
7348 CPP_PRAGMA_EOL.
7349 * c-common.h (c_common_pch_pragma): Update decl.
7350 * Makefile.in (c-parser.o): Update dependencies.
7351 (GTFILES): Add c-pragma.h.
7352 * c-parser.c (struct c_token): Add pragma_kind.
7353 (struct c_parser): Add in_pragma.
7354 (c_lex_one_token): Always initialize keyword and pragma_kind.
7355 Extract data for CPP_PRAGMA.
7356 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
7357 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
7358 Don't allow CPP_PRAGMA_EOL if in_pragma.
7359 (c_parser_consume_pragma): New.
7360 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
7361 (c_parser_skip_to_end_of_parameter): Likewise.
7362 (c_parser_skip_to_end_of_block_or_statement): Likewise.
7363 (c_parser_skip_to_pragma_eol): New.
7364 (c_parser_external_declaration): Handle CPP_PRAGMA.
7365 (c_parser_compound_statement_nostart): Likewise.
7366 (c_parser_statement_after_labels): Likewise.
7367 (c_parser_pragma): New.
7368 (pragma_lex): Likewise.
7369 (c_parser_pragma_pch_preprocess): New.
7370 (c_parser_new): Merge into ...
7371 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
7373 2006-01-04 Jeff Law <law@redhat.com>
7375 PR ada/24994
7376 * tree-cfg.c (bsi_replace): Remove the original statement
7377 from the EH throw statement table.
7379 2006-01-04 Jakub Jelinek <jakub@redhat.com>
7381 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
7382 make the prototype extern "C" and add throw ().
7384 PR target/25554
7385 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
7386 and pos non-negative and pos + len <= 32.
7387 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
7388 drop pos + len < HOST_BITS_PER_WIDE_INT test.
7389 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
7391 PR c/25559
7392 * c-common.c (handle_vector_size_attribute): Reject zero vector size
7393 as well as sizes not multiple of component size.
7395 PR debug/25562
7396 * function.c (instantiate_expr): New function.
7397 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
7398 walk its DECL_VALUE_EXPR with instantiate_expr.
7400 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
7401 DW_OP_deref{,_size} if address isn't going to be added.
7403 2006-01-04 Ben Elliston <bje@au.ibm.com>
7405 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
7406 * config/fp-bit.c: Likewise.
7408 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
7410 * dominance.c: Add comment about why we use DFS numbering
7411 of dominance tree.
7413 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7414 Richard Henderson <rth@redhat.com>
7416 Merge from gomp-branch:
7417 * varasm.c (assemble_variable): Handle thread-local COMMON data.
7418 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
7420 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
7422 PR rtl-optimization/25578
7423 * combine.c (combine_simplify_rtx, force_to_mode): Don't
7424 pass a parameter to simplify_shift_const if changing ASHIFTRT
7425 to LSHIFTRT.
7427 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
7429 * builtins.c (get_builtin_sync_mem): New function.
7430 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
7431 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
7432 Call get_builtin_sync_mem to generate mem rtx.
7434 2006-01-03 Richard Guenther <rguenther@suse.de>
7436 PR c/25183
7437 * stmt.c (add_case_node): Make sure to clear overflow flags
7438 from ranges.
7440 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7442 Merge from gomp-branch.
7443 * config/sparc/sync.md: New file.
7444 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
7445 UNSPECV_LDSTUB): New constants.
7446 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
7447 * config/sparc/predicates.md (memory_reg_operand): New predicate.
7448 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
7449 prototype.
7451 2006-01-03 Roger Sayle <roger@eyesopen.com>
7453 * combine.c (reg_subword_p): New predicate to test whether the
7454 destination of a set refers to a subword/piece of a register.
7455 (try_combine): Generalize the code to merge the setting of a
7456 pseudo to a constant followed by a set of a subword of that
7457 register to a constant.
7459 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
7461 * basic-block.h (control_flow_graph): Change the type of
7462 x_label_to_block_map to VEC(basic_block,gc) *.
7463 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
7464 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
7466 * tree-ssa-propagate.c (cfg_blocks): Change the type to
7467 VEC(basic_block,heap) *.
7468 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
7469 ssa_prop_fini): Adjust the uses of cfg_blocks.
7471 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
7473 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
7474 COMPONENT_REFs.
7475 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
7476 hashing trees instead of a pointer hash.
7477 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
7478 compare for MEM_EXPR.
7480 PR rtl-optimization/25130
7481 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
7482 when comparing MEMs for GCSE
7484 2006-01-03 Ben Elliston <bje@au.ibm.com>
7486 * targhooks.h (default_decimal_float_supported_p): Declare.
7487 * targhooks.c (default_decimal_float_supported_p): Define.
7488 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
7489 `default_decimal_float_supported_p'.
7490 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
7492 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
7494 * combine.c (apply_distributive_law <SUBREG>): Check
7495 TRULY_NOOP_TRUNCATION.
7497 2006-01-02 Geoffrey Keating <geoffk@apple.com>
7499 * dwarf2out.c (have_switched_text_section): Delete.
7500 (have_multiple_function_sections): New.
7501 (have_location_lists): Make 'bool'.
7502 (add_AT_loc_list): Use 'true' not '1'.
7503 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
7504 (output_loc_list): Use have_multiple_function_sections.
7505 (output_ranges): Likewise.
7506 (dwarf2out_begin_function): Set have_multiple_function_sections if
7507 necessary.
7508 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
7509 Check function_section rather than DECL_SECTION_NAME.
7510 (dwarf2out_finish): Use have_multiple_function_sections.
7511 Don't clear have_location_lists.
7513 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
7514 Jan Hubicka <jh@suse.cz>
7516 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
7517 case of conditional jump jumping to the next instruction.
7518 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
7519 cases of conditional jump jumping to the next instruction.
7521 2006-01-02 Jan Hubicka <jh@suse.cz>
7523 * i386.c (*_cost): Add COSTS_N_INSNS.
7524 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
7526 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
7528 PR target/25259
7529 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
7531 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7533 * config/arm/arm.c (all_fpus): Fix comment typo.
7534 * config/darwin.c: Likewise.
7535 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
7536 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
7537 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
7539 2006-01-01 David Edelsohn <edelsohn@gnu.org>
7541 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
7542 (rs6000_split_compare_and_swapqhi): New.
7543 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
7544 (sync_compare_and_swapqhi_internal): New.
7545 * config/rs6000/rs6000-protos.h: Declare.