1 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3 * target.h (struct spec_info_def): New opaque declaration.
4 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5 speculate_insn, needs_block_p, gen_check,
6 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
10 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
11 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
13 (TARGET_SCHED): Use new macros.
14 * rtl.h (copy_DEPS_LIST_list): New prototype.
15 * sched-int.h (struct sched_info): Change signature of new_ready field,
16 adjust all initializations. New fields: add_remove_insn,
17 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
18 region_head_or_leaf_p.
19 (struct spec_info_def): New structure declaration.
20 (spec_info_t): New typedef.
21 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
22 recovery_block, orig_pat.
23 (glat_start, glat_end): New variables declaraions.
24 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
26 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
27 DETACH_LIFE_INFO, USE_GLAT.
28 (enum SPEC_SCHED_FLAGS): New enumeration.
29 (NOTE_NOTE_BB_P): New macro.
30 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
31 attach_life_info, debug_spec_status, check_reg_live): New functions.
32 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
33 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
35 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
36 * ddg.c (get_block_head_tail): Adjust all uses.
37 * modulo-sched.c (get_block_head_tail): Adjust all uses.
38 (sms_sched_info): Initialize new fields.
39 (contributes_to_priority): Removed.
40 * haifa-sched.c (params.h): New include.
41 (get_block_head_tail): Adjust all uses.
42 (ISSUE_POINTS): New macro.
43 (glat_start, glat_end): New global variables.
44 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
45 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
46 old_last_basic_block, before_recovery, current_sched_info_var,
47 rgn_n_insns, luid): New static variables.
48 (insn_cost1): New function. Move logic from insn_cost to here.
49 (find_insn_reg_weight1): New function. Move logic from
50 find_insn_reg_weight to here.
51 (reemit_notes, move_insn, max_issue): Change signature.
52 (move_insn1): Removed.
53 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
54 extend_bb): New static functions to support extension of scheduler's
56 (generate_recovery_code, process_insn_depend_be_in_spec,
57 begin_speculative_block, add_to_speculative_block,
58 init_before_recovery, create_recovery_block, create_check_block_twin,
59 fix_recovery_deps): New static functions to support
60 generation of recovery code.
61 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
62 restore_bb_notes, move_block_after_check, move_succs): New static
63 functions to support ebb scheduling.
64 (init_glat, init_glat1, attach_life_info1, free_glat): New static
65 functions to support handling of register live information.
66 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
67 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
68 add_jump_dependencies): New static functions.
69 (check_cfg, has_edge_p, check_sched_flags): New static functions for
71 (debug_spec_status): New function to call from debugger.
72 (priority): Added code to handle speculation checks.
73 (rank_for_schedule): Added code to distinguish speculative instructions.
74 (schedule_insn): Added code to handle speculation checks.
75 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
77 (move_insn): Added code to handle ebb scheduling.
78 (max_issue): Added code to use ISSUE_POINTS of instructions.
79 (choose_ready): Added code to choose between speculative and
80 non-speculative instructions.
81 (schedule_block): Added code to handle ebb scheduling and scheduling of
82 speculative instructions.
83 (sched_init): Initialize new variables.
84 (sched_finish): Free new variables. Print statistics.
85 (try_ready): Added code to handle speculative instructions.
86 * lists.c (copy_DEPS_LIST_list): New function.
87 * sched-deps.c (extend_dependency_caches): New function. Move logic
88 from create_dependency_caches to here.
89 (get_dep_weak, ds_merge): Make global.
90 * genattr.c (main): Code to output prototype for
91 dfa_clear_single_insn_cache.
92 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
93 (output_dfa_clean_insn_cache_func): Code to output
94 dfa_clear_single_insn_cache function.
95 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
97 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
99 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
100 New static variables.
101 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
102 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
104 (ebb_sched_info): Initialize new fields.
105 (get_block_head_tail): Adjust all uses.
106 (compute_jump_reg_dependencies): Fixed to use glat_start.
107 (schedule_ebb): Code to remove unreachable last block.
108 (schedule_ebbs): Added code to update register live information.
109 * sched-rgn.c (region_sched_info): Initialize new fields.
110 (get_block_head_tail): Adjust all uses.
111 (last_was_jump): Removed. Adjust users.
112 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
113 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
115 (check_dead_notes1): New static function.
116 (struct region): New fields: dont_calc_deps, has_real_ebb.
117 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
118 (BB_TO_BLOCK): Fixed to handle EBBs.
119 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
120 (ebb_head): New static variable.
121 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
122 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
124 (compute_dom_prob_ps): New assertion.
125 (check_live_1, update_live_1): Fixed to work with glat_start instead of
126 global_live_at_start.
127 (init_ready_list): New assertions.
128 (can_schedule_ready_p): Split update code to begin_schedule_ready.
129 (new_ready): Add support for BEGIN_CONTROL speculation.
130 (schedule_insns): Fixed code that updates register live information
132 (schedule_region): Fixed to handle EBBs.
133 (init_regions): Use extend_regions and check_dead_notes1.
134 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
135 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
136 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
137 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
138 TARGET_SCHED_GEN_CHECK,
139 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
140 TARGET_SCHED_SET_SCHED_FLAGS): Document.
141 * doc/invoke.texi (max-sched-insn-conflict-delay,
142 sched-spec-prob-cutoff): Document.
144 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
146 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
147 inter_tick, queue_index.
148 (struct sched_info): Change signature of init_ready_list field.
149 Adjust all initializations.
150 (RESOLVED_DEPS): New access macro.
151 (ready_add): Remove prototype.
152 (try_ready): Add prototype.
153 * sched-rgn.c (init_ready_list): Use try_ready.
154 (schedule_region): Initialize
155 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
156 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
157 (init_ready_list): Use try_ready.
158 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
159 * lists.c (remove_list_elem): Remove `static'.
160 (remove_free_INSN_LIST_elem): New function.
161 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
162 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
163 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
165 (readyp): New variable.
166 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
167 change_queue_index, resolve_dep): New static functions.
168 (try_ready): New function. Adjust callers in sched-rgn.c and
169 sched-ebb.c to use it instead of ready_add.
170 (clock_var): Move at the begining of file.
171 (rank_for_schedule): Fix typo.
172 (queue_insn): Add assertion. Handle QUEUE_INDEX.
173 (ready_lastpos): Enforce assertion.
174 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
176 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
177 (schedule_insn): Rewrite to use try_ready and resolve_dep.
178 (queue_to_ready): Use free_INSN_LIST_list.
179 (early_queue_to_ready): Fix typo.
180 (schedule_block): Init readyp. Move init_ready_list call after the
181 initialization of clock_var. Fix error in rejecting insn by
182 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
183 that previously corrected INSN_TICKs. Add code for handling
185 (set_priorities): Fix typo.
186 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
187 Clarify comment and code that keeps current_sched_info->next_tail
190 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
192 * sched-rgn.c (extend_rgns): New static function.
194 (gather_region_statistics, print_region_statistics): New static
196 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
197 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
199 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
200 Andrey Belevantsev <abel@ispras.ru>
202 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
203 * lists.c (unused_deps_list): New variable.
204 (free_list): Add assertions to verify the proper distinguishing
205 between INSN_LISTs and DEPS_LISTs.
206 (find_list_elem, remove_list_elem, remove_list_node): New static
208 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
209 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
210 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
211 (alloc_INSN_LIST): Assert that the list we're working on is indeed
213 (free_INSN_LIST_node): Likewise.
214 * modulo-sched.c (current_sched_info): Initialize flags field.
215 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
216 * rtl.def (DEPS_LIST): Define.
217 * rtl.h: Declare new functions from lists.c.
218 * sched-deps.c (spec_dependency_cache): New static variable.
219 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
220 (add_dependence): Change return type to void. Move the logic to ...
221 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
222 (delete_all_dependences): Add comment about forward_dependency_cache.
223 Handle spec_dependency_cache. Handle DEPS_LISTs.
224 (fixup_sched_groups): Clarify the change of priority of output
225 and anti dependencies.
226 (sched_analyze_2): Adjust add_dependence calls to create data
227 speculative dependence.
228 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
229 Adjust all callers. Handle DEPS_LISTS.
230 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
231 presence of speculation.
232 (init_dependency_caches, free_dependency_caches):
233 Handle spec_dependency_cache.
234 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
235 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
236 New static functions.
237 (add_or_update_back_dep, add_or_update_back_forw_dep,
238 add_back_forw_dep, delete_back_forw_dep): New functions.
239 * sched-int.h (ds_t, dw_t): New typedefs.
240 (struct sched_info): Add new field flags.
241 (struct haifa_insn_data): Add new bitfield has_internal_dep.
242 Prototype new sched-deps.c functions.
243 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
244 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
245 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
246 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
247 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
248 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
250 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
252 * sched-rgn.c (current_sched_info): Initialize flags field.
253 (schedule_insns): Initialize current_sched_info before the sched_init
255 * sched-ebb.c (current_sched_info): Initialize flags field.
256 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
257 Call add_or_update_back_dep instead of add_dependence.
258 Create control speculative dependencies.
259 (schedule_insns): Initialize current_sched_info before the sched_init
262 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
264 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
266 (sh_fallback_frame_state): Likewise.
268 2006-03-15 Geoffrey Keating <geoffk@apple.com>
270 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
271 Do switch on default_use_cxa_atexit.
272 (powerpc*-*-darwin*): Build crt2.o on powerpc.
273 * config/darwin-crt3.o: New.
274 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
275 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
276 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
278 * config/rs6000/t-darwin: Move crt2.o building to here.
279 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
280 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
283 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
285 * config/vax/vax.c (nonindexed_address_p): Change logical negation
286 from '! xxx' to '!xxx' for coding-style conformance.
287 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
288 (EXTRA_CONSTRAINT): Likewise.
289 * config/vax/vax.md (four unnamed insns): Likewise.
291 2006-03-15 Paul Brook <paul@codesourcery.com>
293 * config/arm/arm.c (minipool_pad): New.
294 (add_minipool_forward_ref): Unclude pool alignment padding in address
296 (push_minipool_fix): Set minipool_pad.
297 (minipool_pad): Ditto.
299 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
301 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
302 instead of GET_CODE() == MEM and REG_P() instead of
304 (print_operand_address): Likewise.
305 (vax_address_cost): Likewise.
306 (vax_rtx_costs): Likewise.
307 (vax_notice_update_cc): Likewise.
308 (vax_output_int_add): Likewise.
309 (INDEX_REGISTER_P): Likewise.
310 (BASE_REGISTER_P): Likewise.
311 (nonindexed_address_p): Likewise.
312 (vax_mode_dependent_address_p): Likewise.
313 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
314 (PRINT_OPERAND): Likewise.
315 * config/vax/vax.md (ashlsi3): Likewise.
317 (some more unnamed insns): Likewise.
319 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
321 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
322 iterator-style macro.
323 (mark_control_dependent_edges_necessary): Update the use of
324 EXECUTE_IF_CONTROL_DEPENDENT.
326 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
328 * config/sh/predicates.md (cache_address_operand): Special.
329 (ua_address_operand): Likewise.
331 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
333 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
335 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
337 2006-03-15 Andreas Schwab <schwab@suse.de>
339 * gensupport.c (identify_predicable_attribute): Don't free p_false
340 when it is still in use.
342 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
344 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
345 the default setting here.
347 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
349 * tree-pass.h (pass_cfg): Remove.
350 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
351 * passes.c (pass_cfg): Don't run it.
353 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
355 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
356 * reg-stack.c (stack_regs_mentioned_data): Change the type to
358 (stack_regs_mentioned): Update the uses of
359 stack_regs_mentioned_data. Don't access the array beyond its
361 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
362 Don't include gt-reg-stack.h.
364 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
365 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
367 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
370 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
373 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
375 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
377 2006-03-14 Richard Guenther <rguenther@suse.de>
379 PR tree-optimization/26672
380 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
383 2006-03-14 Richard Guenther <rguenther@suse.de>
385 PR tree-optimization/26667
386 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
387 node for the callees. Always allow inlining if it will shrink
390 2006-03-14 Richard Guenther <rguenther@suse.de>
393 * builtins.c (get_pointer_alignment): Prefer alignment
394 information from decls over that from types.
396 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
399 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
401 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
403 * config/rs6000/rs6000.opt (mdlmzb): New option.
404 (msched-prolog, msched-epilog): Use Var not Mask.
405 * doc/invoke.texi (-mdlmzb): Document.
406 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
408 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
409 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
411 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
413 PR rtl-optimization/25739
414 * bt-load.c (augment_live_range): Free tos pointer.
416 * gensupport.c (identify_predicable_attribute): Free
418 * gcov.c (create_file_names): Free name pointer.
420 2006-03-13 Roger Sayle <roger@eyesopen.com>
423 * stmt.c (emit_case_nodes): Handle the case where the index is a
424 CONST_INT, where the comparison mode is specified by the index type.
426 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
428 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
431 2006-03-13 Richard Sandiford <richard@codesourcery.com>
433 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
434 (*branch_fp_inverted): Likewise.
436 2006-03-13 Jakub Jelinek <jakub@redhat.com>
439 * omp-low.c (expand_omp_for_generic): Mark istart0
440 and iend0 as addressable.
442 2006-03-13 Jie Zhang <jie.zhang@analog.com>
444 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
446 2006-03-13 Jeff Law <law@redhat.com>
448 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
449 virtual operands are interesting.
450 (vrp_visit_stmt): Corresponding changes.
452 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
454 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
456 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
457 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
458 * config/bfin/crti.S: Use it instead of __PIC__.
459 * config/bfin/crtn.S: Likewise.
461 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
462 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
464 Lose 'G' modifier for call operand.
465 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
466 recognize 'G' modifier.
468 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
471 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
472 * stmt.c (expand_case): Likewise.
474 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
476 PR rtl-optimization/26254
477 * loop-invariant.c (seq_insns_valid_p): New function.
478 (move_invariant_reg): Only emit new code if it is valid.
480 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
482 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
484 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
485 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
486 (commit_one_edge_insertion): Do not look for loop notes.
488 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
490 * jump.c (follow_jumps): Do not check for loop notes. Move check for
491 flag_test_coverage out of loop.
493 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
495 * final.c (shorten_branches): Remove outdated comment, and turn
496 the if branch that guards it to continue.
498 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
500 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
501 * cfgloop.h (struct loop): Remove unused fields.
503 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
505 * doc/invoke.texi (-fdump-rtl-loop): Remove.
506 (-dL, -fdump-rtl-loop2): Update the dump file names
508 * doc/invoke.texi: Update dump file names.
510 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
512 * predict.c (estimate_probability): Remove.
513 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
514 * basic-block.h (estimate_probability): Remove prototype.
515 * passes.c (finish_optimization_passes): Dump branch prediction or
516 profiling heuristics to the .profile tree dump.
517 (init_optimization_passes): Unqueue pass_branch_prob.
519 * doc/invoke.texi (-fdump-rtl-bp): Remove.
521 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
523 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
524 * rtl.h (LABEL_NEXTREF): Remove field accessor.
526 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
528 * function.h (frame_offset_overflow): Declare.
529 * function.c (frame_offset_overflow): New function.
530 (assign_stack_local_1): Call it to detect that the offset overflows.
531 * cfgexpand.c (alloc_stack_frame_space): Likewise.
533 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
535 * config/sh/sh.c: Include alloc-pool.h.
536 (label_ref_list_pool): New alloc pool.
537 (label_ref_list_t): New type for lists of labels.
538 (struct pool_node): Make wend a label_ref_list_t.
539 (add_constant): Use the new type, eradicate LABEL_NEXTREF
541 (dump_table): Likewise.
542 (sh_reorg): Set up the alloc pool before using add_constant and
543 dump_table, and destroy it when finishing.
545 2006-03-11 Richard Sandiford <richard@codesourcery.com>
547 * config/mips/mips.c: Remove redundant comment.
549 2006-03-10 Jason Merrill <jason@redhat.com>
552 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
553 the target was declared 'register'.
555 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
557 * genpreds.c (write_insn_constraint_len): Change definition of
558 insn_constraint_len to return size_t to match the declaration.
560 2006-03-10 DJ Delorie <dj@redhat.com>
562 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
564 (m32c_expand_insv): Fix test for an AND mask.
566 2006-03-10 Richard Guenther <rguenther@suse.de>
569 * builtins.c (get_pointer_alignment): Handle component
570 references for field alignment.
572 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
574 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
575 when building with libgloss.
576 (sh*elf): Implement --without-fp option.
577 (sh64-superh-linux*): Don't multilib.
579 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
581 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
583 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
585 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
586 Set it when one of the replacement functions returned true.
587 Return TODO_cleanup_cfg if cfgchanged is true.
588 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
590 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
592 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
593 instead of gen_lowpart.
595 2006-03-09 Richard Sandiford <richard@codesourcery.com>
597 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
599 (mips_output_order_conditional_branch): Declare.
600 * config/mips/mips.h (MIPS_BRANCH): New macro.
601 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
602 for the comparison. Use gen_condjump.
603 (mips_output_conditional_branch): Rework interface to take the
604 asm templates for a direct branch and the inverse of a direct branch.
605 (mips_output_order_conditional_branch): New function.
606 (mips_builtin_branch_and_move): New function.
607 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
608 branch condition. Use gen_single_cc as the condition for
609 __builtin_mips_upper_* or __builtin_mips_lower_*.
610 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
611 Use VOIDmode for the branch condition.
612 * config/mips/predicates.md (order_operator): New predicate.
613 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
614 (branch_fp): Rename to...
615 (*branch_fp): ...this. Remove mode from comparison operator.
616 Use new mips_output_conditional_branch interface.
617 (branch_fp_inverted): Rename to...
618 (*branch_fp_inverted): ...this and update as for *branch_fp.
619 (*branch_zero<mode>): Rename to...
620 (*branch_order<mode>): ...this. Remove mode from comparison operator.
621 Use mips_output_order_conditional_branch. Only accept ordered
623 (*branch_zero<mode>_inverted): Rename to...
624 (*branch_order<mode>_inverted): ...this and update as for
626 (*branch_equality<mode>): Accept zero as the second operand to
627 the equality operator. Use the new mips_output_conditional_branch
629 (*branch_equality<mode>_inverted): Likewise.
630 (condjump): New expander.
631 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
633 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
634 (bc1any2t, bc1any2f): Likewise.
635 (single_cc): New expander.
636 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
638 2006-03-09 Richard Sandiford <richard@codesourcery.com>
640 * doc/md.texi: Update documentation of MIPS constraints.
641 * config/mips/constraints.md: New file.
642 * config/mips/mips.md: Include it.
643 * config/mips/mips.c (mips_char_to_class): Delete.
644 (override_options): Don't initialize mips_char_to_class.
645 * config/mips/mips.h (mips_char_to_class): Delete.
646 (REG_CLASS_FROM_LETTER): Delete.
647 (CONST_OK_FOR_LETTER_P): Delete.
648 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
649 (EXTRA_CONSTRAINT_Y): Delete.
650 (EXTRA_CONSTRAINT_STR): Delete.
651 (CONSTRAINT_LEN): Delete.
652 (EXTRA_MEMORY_CONSTRAINT): Delete.
654 2006-03-09 Diego Novillo <dnovillo@redhat.com>
656 * tree-cfg.c (move_block_to_fn): Remove the statements from the
657 original fn's eh regions.
659 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
661 * fold-const.c (build_range_check): Make sure to use a valid type to
662 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
665 (range_predecessor): New static function.
666 (range_successor): Likewise.
667 (merge_ranges): Use them to compute predecessors and successors of
670 2006-03-09 Roger Sayle <roger@eyesopen.com>
673 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
674 X op C3, consider whether C3 overflows towards +Inf or -Inf.
676 2006-03-08 DJ Delorie <dj@redhat.com>
678 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
679 (addpsi3): Expand to include memory operands. Remove
680 reload-specific splits.
681 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
682 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
683 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
684 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
685 (shift1_qi, shift1_hi, insv): New.
686 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
687 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
688 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
690 * config/m32c/m32c-protos.h: Update as needed.
691 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
692 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
693 Fail for unrecognized R* constraints.
694 (m32c_cannot_change_mode_class): Be more picky about pseudos.
695 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
696 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
698 (m32c_init_libfuncs): New.
699 (m32c_legitimate_address_p): Add debug wrapper.
700 (m32c_rtx_costs): New.
701 (m32c_address_cost): New.
702 (conversions): Add 'B' prefix.
703 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
704 operands, or word regnames for QI operands. 'B' prints bit
706 (m32c_expand_setmemhi): New.
707 (m32c_expand_movmemhi): New.
708 (m32c_expand_movstr): New.
709 (m32c_expand_cmpstr): New.
710 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
711 (m32c_expand_neg_mulpsi3): Handle non-ints.
712 (m32c_cmp_flg_0): New.
713 (m32c_expand_movcc): New.
714 (m32c_expand_insv): New.
715 (m32c_scc_pattern): New.
716 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
718 (STORE_FLAG_VALUE): New.
719 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
722 * config/m32c/mov.md: Make constraints more liberal.
723 (zero_extendqihi2): Optimize r0/r1 case.
724 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
725 * config/m32c/predicates.md (m32c_any_operand): New.
726 (m32c_nonimmediate_operand): New.
727 (m32c_hl_operand): New.
728 (m32c_r3_operand): New.
731 (memsym_operand): New.
732 (memimmed_operand): New.
734 (m32c_eqne_operator): New.
735 (m32c_1bit8_operand): New.
736 (m32c_1bit16_operand): New.
737 (m32c_1mask8_operand): New.
738 (m32c_1mask16_operand): New.
739 * config/m32c/blkmov.md: New file.
740 * config/m32c/t-m32c (MD_FILES): Add blkmov.
742 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
744 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
745 unsigned to fix signed/unsigned comparison issue in
746 DWARF2_FRAME_REG_OUT.
747 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
748 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
750 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
751 of ptr into the ENABLE_CHECKING section.
753 2006-03-08 Jeff Law <law@redhat.com>
755 * tree-vrp.c (infer_value_range): Only count pointer uses
756 and dereferences if -fdelete-null-pointer-checks is enabled.
758 * tree-vrp.c (find_assert_locations): Infer value ranges for
759 single use pointers, but do not create ASSERT_EXPRs for them.
760 When a non-null range is inferred for a pointer, backwards
761 propagate that range to other equivalent pointers through the
764 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
767 * Makefile.in (dvi, html, install-info): Invoke the corresponding
768 language hook targets.
769 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
770 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
771 if language hook targets were missing.
773 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
775 * tree-ssa-opfinalize.h: Removed.
776 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
778 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
779 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
780 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
781 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
782 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
783 finalize_ssa_v_must_def_ops): New.
785 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
787 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
790 2006-03-07 Geoffrey Keating <geoffk@apple.com>
792 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
794 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
795 addresses with offsets; reorganize.
797 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
798 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
799 (expand_builtin_init_dwarf_reg_sizes): Likewise.
801 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
804 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
806 2006-03-08 Ben Elliston <bje@au.ibm.com>
808 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
810 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
813 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
816 2006-03-07 Richard Guenther <rguenther@suse.de>
818 PR tree-optimization/26587
819 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
821 2006-03-07 Richard Sandiford <richard@codesourcery.com>
823 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
825 2006-03-07 Richard Sandiford <richard@codesourcery.com>
827 * hooks.c (hook_bool_mode_rtx_true): New function.
828 * hooks.h (hook_bool_mode_rtx_true): Declare.
829 * toplev.c (compile_file): Call output_shared_constant_pool.
830 * varasm.c (shared_constant_pool): New variable.
831 (assemble_start_function, assemble_end_function): Remove arguments
832 from call to output_constant_pool.
833 (create_constant_pool): New function, split out from...
834 (init_varasm_status): ...here.
835 (force_const_mem): Choose between the shared and per-function constant
836 pools. Set current_function_uses_const_pool when reusing old entries
837 as well as when creating new ones.
838 (mark_constant): Ignore data argument.
839 (mark_constants): Remove pool argument.
840 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
841 to decide whether the function uses a constant pool.
842 (output_constant_pool_contents): New function, split out from...
843 (output_constant_pool): ...here.
844 (output_shared_constant_pool): New function.
845 (init_varasm_once): Initialize shared_constant_pool.
846 * output.h (output_constant_pool): Delete.
847 (output_shared_constant_pool): Declare.
848 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
849 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
851 2006-03-06 Nick Clifton <nickc@redhat.com>
853 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
854 flag_strength_reduce.
856 2006-03-06 Ben Elliston <bje@au.ibm.com>
858 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
859 x86_64-*-linux* configurations.
861 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
862 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
864 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
866 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
868 * basic-block.h: Remove the extern for
869 rediscover_loops_after_threading.
871 * cfgloop.c (cancel_loop): Make it static.
872 * cfgloop.h: Remove the prototype for cancel_loop.
874 * flow.c (recompute_reg_usage): Make it static.
875 * rtl.h: Remove the prototype for recompute_reg_usage.
877 * function.c (use_return_register): Make it static.
878 * function.h: Remove the prototype.
880 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
882 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
884 * recog.h: Remove the prototype for
885 validate_change_maybe_volatile.
887 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
889 * rtlanal.c (replace_reg): Remove.
890 * rtl.h: Remove the prototype for replace_reg.
892 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
894 * regclass.c (reg_scan_update): Remove.
895 (reg_scan_mark_refs): Remove the last argument.
896 * rtl.h: Remove the prototype for reg_scan_update.
898 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
900 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
901 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
902 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
903 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
904 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
905 loop-invariant.c, omp-low.c, opts.c, passes.c,
906 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
907 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
908 tree-ssa-structalias.c, tree-ssa-threadedge.c,
909 tree-ssa-threadupdate.c, tree-vect-patterns.c,
910 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
911 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
913 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
915 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
916 * dwarf2out.h: Remove the prototype for
917 dwarf2out_add_library_unit_info.
919 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
921 * tree.c (add_var_to_bind_expr): Remove.
922 * tree.h: Remove the prototype for add_var_to_bind_expr.
924 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
926 * regclass.c (n_non_fixed_regs): Remove.
927 (init_reg_sets_1, globalize_reg): Remove all uses of
929 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
931 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
933 * rtlanal.c (insns_safe_to_move_p): Remove.
934 * rtl.h: Remove the prototype for insns_safe_to_move_p.
936 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
938 * expmed.c (expand_mult_add): Remove.
939 * expr.h: Remove the prototype for expand_mult_add.
941 2006-03-04 Jakub Jelinek <jakub@redhat.com>
943 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
944 and REG_SAVED_VAL_EXP constants.
945 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
946 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
947 Handle regs stored by value.
948 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
949 (execute_cfa_program): Handle DW_CFA_val_offset,
950 DW_CFA_val_offset_sf and DW_CFA_val_expression.
951 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
952 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
953 (uw_install_context_1): Handle target regs stored by value.
955 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
957 * tree-sra.c (tree_sra): Return todoflags;
958 (generate_one_element): Set TODO_update_smt_usage if needed.
959 (pass_sra): Remove TODO_update_smt_usage.
960 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
962 (tree_ssa_forward_propagate_single_use_vars): Return
963 TODO_update_smt_usage if we need to update SMT usage.
964 (pass_forwprop): Remove TODO_update_smt_usage.
966 2006-03-03 Diego Novillo <dnovillo@redhat.com>
968 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
969 (correct_use_link): Remove reference to get_stmt_operands.
970 (update_stmt_operands): Likewise.
971 (get_modify_expr_operands): New function factored out of
972 parse_ssa_operands and get_expr_operands.
973 Try to create V_MUST_DEFs for LHS by default.
974 (get_expr_operands) <case MODIFY_EXPR>: Call
975 get_modify_expr_operands.
976 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
977 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
978 (parse_ssa_operands) <case MODIFY_EXPR>: Call
979 get_modify_expr_operands.
981 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
983 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
984 * tree-flow.h: Remove the prototype for
985 referenced_var_lookup_if_exists.
987 2006-03-03 Steve Ellcey <sje@cup.hp.com>
989 PR rtl-optimization/26345
991 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
993 2006-03-03 Roger Sayle <roger@eyesopen.com>
995 PR tree-optimization/26524
996 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
997 fold_convert to create a constant of the appropriate type.
999 2006-03-03 Richard Sandiford <richard@codesourcery.com>
1001 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1002 SYMBOL_REF_IN_BLOCK_P.
1003 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
1004 of SYMBOL_FLAG_IN_BLOCK.
1005 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
1006 instead of SYMBOL_REF_IN_BLOCK_P.
1007 * explow.c (use_anchored_address): Likewise.
1008 * rtl.c (rtx_size): Likewise.
1009 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
1010 instead of SYMBOL_FLAG_IN_BLOCK.
1011 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1012 SYMBOL_REF_IN_BLOCK_P.
1013 (assemble_variable): Likewise.
1014 (output_constant_def_contents): Likewise.
1015 (output_constant_pool): Likewise.
1016 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
1017 instead of SYMBOL_FLAG_IN_BLOCK.
1018 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1019 SYMBOL_REF_IN_BLOCK_P.
1020 (SYMBOL_REF_BLOCK): Likewise.
1021 (SYMBOL_REF_OFFSET): Likewise.
1022 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1023 SYMBOL_REF_IN_BLOCK_P.
1024 (SYMBOL_FLAG_IN_BLOCK): Replace with...
1025 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
1026 (SYMBOL_REF_IN_BLOCK_P): Replace with...
1027 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
1029 2006-03-03 Jakub Jelinek <jakub@redhat.com>
1031 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
1033 2006-03-02 Roger Sayle <roger@eyesopen.com>
1035 * simplify-rtx.c (simplify_unary_operation): When simplifying
1036 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
1037 that we perform the right shift in the appropriate mode, and
1038 then extend or truncate the result to requested mode.
1040 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
1042 * gengtype.c (main): Handle double_int type.
1043 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
1044 * double-int.c: New file.
1045 * double-int.h: New file.
1046 * system.h: Include doubleint.h.
1047 * Makefile.in (SYSTEM_H): Include double-int.h.
1048 (double-int.o): Add.
1050 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
1053 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
1056 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1058 * tree-vrp.c (remove_range_assertions): Do not update statements
1061 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1063 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
1065 * gcse.c (rest_of_handle_gcse): Ditto.
1066 * except.c (gate_handle_eh): Ditto.
1067 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
1068 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
1070 2006-03-02 Eric Christopher <echristo@apple.com>
1072 * config/i386/i386.c (machopic_output_stub): Add indirection to
1075 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1079 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
1081 Sun Niagara specific optimizations.
1082 * config.gcc: Recognize niagara as target.
1083 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
1084 (TARGET_CPU_niagara): Define.
1085 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
1086 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
1087 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1088 (ASM_CPU_SPEC): Likewise.
1089 (PROCESSOR_NIAGARA): New enum entry.
1090 (REGISTER_MOVE_COST): Handle Niagara.
1091 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
1092 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
1093 (sparc_override_options): Recognize "niagara", set appropriate
1094 default MASK_* values for it, and align functions to 32-bytes
1095 by default just like ULTRASPARC/ULTRASPARC3.
1096 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
1097 (sparc64_initialize_trampoline): Likewise.
1098 (sparc_use_sched_lookahead): Use zero for niagara.
1099 (sparc_issue_rate): Use one for niagara.
1100 * config/sparc/niagara.md: New file.
1101 * config/sparc/sparc.md: Include it.
1102 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
1103 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
1104 when default cpu is niagara.
1105 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1106 (ASM_CPU_SPEC): Likewise.
1107 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
1108 when default cpu is niagara.
1109 (ASM_CPU_SPEC): Handle -mcpu=niagara.
1110 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
1111 just like v9/ultrasparc/ultrasparc3.
1112 * doc/invoke.texi: Add documentation for "niagara" and improve
1113 existing documentation for ultrasparc variants.
1115 2006-03-02 Diego Novillo <dnovillo@redhat.com>
1117 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
1119 2006-03-02 Richard Sandiford <richard@codesourcery.com>
1121 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
1122 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
1123 and say that only one is needed.
1124 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
1125 * target.h (have_switchable_bss_sections): New hook.
1126 * explow.c (use_anchored_address): Check that the symbol is in a block.
1127 * varasm.c (tls_comm_section, comm_section, lcomm_section)
1128 (bss_noswitch_section): New variables.
1129 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
1130 (get_noswitch_section): New function.
1131 (get_block_for_section): Allow SECT to be null.
1132 (unlikely_text_section_p): Use SECTION_STYLE.
1133 (bss_initializer_p): New function.
1134 (get_variable_section): Move earlier in file. Take a new argument,
1135 prefer_noswitch_p. Move bss checks from assemble_variable to here.
1136 Return one of the new *_sections in such cases.
1137 (get_block_for_decl): New function, extracting some logic from
1138 use_blocks_for_decl_p.
1139 (change_symbol_section): Remove in favor of...
1140 (change_symbol_block): ...this new function.
1141 (use_blocks_for_decl_p): Remove checks now performed by
1143 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
1144 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
1145 (emit_local, emit_bss, emit_common): ...these new functions.
1146 Return true if the alignment was honored.
1147 (emit_tls_common): New function.
1148 (asm_emit_uninitialised): Delete.
1149 (assemble_variable_noswitch): New function, split out from...
1150 (assemble_variable): ...here. Don't make decisions about common
1151 variables here. Globalize all public decls that go into non-common
1152 sections. Check whether SYMBOL_REF_BLOCK is null.
1153 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
1154 (output_constant_pool): Likewise.
1155 (init_varasm_once): Initialize the new section variables.
1156 (have_global_bss_p): New function.
1157 (categorize_decl_for_section): Use bss_initializer_p.
1158 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
1159 (place_block_symbol): Assert that the symbol must be in a block.
1160 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
1161 (TARGET_INITIALIZER): Include it.
1162 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
1163 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
1164 (SECTION_MACH_DEP): Bump by two.
1165 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
1166 (unnamed_section): Mention SECTION_UNNAMED in comment.
1167 (named_section): Likewise SECTION_NAMED.
1168 (noswitch_section_callback): New type.
1169 (noswitch_section): New structure.
1170 (section): Add a noswitch_section alternative.
1171 (SECTION_STYLE): New macro.
1172 (tls_comm_section, comm_section, lcomm_section): Declare.
1173 (bss_noswitch_section, have_global_bss_p): Declare.
1174 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1175 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1177 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1178 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1181 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
1183 * gcc/tree-vrp.c (execute_vrp): Return value.
1184 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
1185 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
1186 * gcc/tree-complex.c (tree_lower_complex): Ditto.
1187 (tree_lower_complex_O0): Ditto.
1188 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
1189 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
1190 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
1191 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
1192 (execute_tail_calls): Ditto.
1193 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1194 * gcc/tree.h (init_function_for_compilation): Ditto.
1195 * gcc/ipa-cp.c (ipcp_driver): Ditto.
1196 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
1197 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
1198 * gcc/final.c (compute_alignments): Ditto.
1199 (rest_of_handle_final): Ditto.
1200 (rest_of_handle_shorten_branches): Ditto.
1201 (rest_of_clean_state): Ditto.
1202 * gcc/omp-low.c (execute_expand_omp): Ditto.
1203 (execute_lower_omp): Ditto.
1204 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
1205 * gcc/ipa-reference.c (static_execute): Ditto.
1206 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
1207 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
1208 (rest_of_handle_machine_reorg): Ditto.
1209 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
1210 * gcc/flow.c (recompute_reg_usage): Ditto.
1211 (rest_of_handle_remove_death_notes): Ditto.
1212 (rest_of_handle_life): Ditto.
1213 (rest_of_handle_flow2): Ditto.
1214 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
1215 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
1216 (do_ssa_store_ccp): Ditto.
1217 (execute_fold_all_builtins): Ditto.
1218 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
1219 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
1220 * gcc/ipa-pure-const.c (static_execute): Ditto.
1221 * gcc/cse.c (rest_of_handle_cse): Ditto.
1222 (rest_of_handle_cse2): Ditto.
1223 * gcc/web.c (rest_of_handle_web): Ditto.
1224 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
1225 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
1226 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1227 * gcc/tree-nrv.c (tree_nrv): Ditto.
1228 (execute_return_slot_opt): Ditto.
1229 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
1230 (create_structure_vars): Ditto.
1231 * gcc/loop-init.c (rtl_loop_init): Ditto.
1232 (rtl_loop_done): Ditto.
1233 (rtl_move_loop_invariants): Ditto.
1234 (rtl_unswitch): Ditto.
1235 (rtl_unroll_and_peel_loops): Ditto.
1236 (rtl_doloop): Ditto.
1237 * gcc/gimple-low.c (lower_function_body): Ditto.
1238 (mark_used_blocks): Ditto.
1239 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
1240 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
1241 (cgraph_early_inlining): Ditto.
1242 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
1243 * gcc/jump.c (cleanup_barriers): Ditto.
1244 (purge_line_number_notes): Ditto.
1245 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
1246 (rest_of_handle_if_after_reload): Ditto.
1247 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
1248 (tree_ssa_loop_im): Ditto.
1249 (tree_ssa_loop_unswitch): Ditto.
1250 (tree_vectorize): Ditto.
1251 (tree_linear_transform): Ditto.
1252 (tree_ssa_loop_ivcanon): Ditto.
1253 (tree_ssa_empty_loop): Ditto.
1254 (tree_ssa_loop_bounds): Ditto.
1255 (tree_complete_unroll): Ditto.
1256 (tree_ssa_loop_prefetch): Ditto.
1257 (tree_ssa_loop_ivopts): Ditto.
1258 (tree_ssa_loop_done): Ditto.
1259 * gcc/predict.c (tree_estimate_probability): Ditto.
1260 * gcc/recog.c (split_all_insns_noflow): Ditto.
1261 (rest_of_handle_peephole2): Ditto.
1262 (rest_of_handle_split_all_insns): Ditto.
1263 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
1264 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
1265 (rest_of_handle_stack_adjustments): Ditto.
1266 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
1267 * gcc/function.c (instantiate_virtual_regs): Ditto.
1268 (init_function_for_compilation): Ditto.
1269 (rest_of_handle_check_leaf_regs): Ditto.
1270 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
1271 (rest_of_handle_gcse): Ditto.
1272 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
1273 * gcc/alias.c (rest_of_handle_cfg): Ditto.
1274 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
1275 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
1276 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
1277 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
1278 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
1279 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
1280 * gcc/except.c (set_nothrow_function_flags): Ditto.
1281 (convert_to_eh_region_ranges): Ditto.
1282 (rest_of_handle_eh): Ditto.
1283 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
1284 (remove_unnecessary_notes): Ditto.
1285 * gcc/except.h (set_nothrow_function_flags): Ditto.
1286 (convert_to_eh_region_ranges): Ditto.
1287 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
1288 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
1289 * gcc/tree-ssa-pre.c (do_pre): Ditto.
1290 (execute_fre): Ditto.
1291 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
1292 (rest_of_handle_jump2): Ditto.
1293 * gcc/tree-sra.c (tree_sra): Ditto.
1294 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
1295 (execute_mudflap_function_decls): Ditto.
1296 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
1297 (do_store_copy_prop): Ditto.
1298 * gcc/ipa-prop.h (ipcp_driver): Ditto.
1299 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
1300 * gcc/tree-ssa-forwprop.c
1301 (tree_ssa_forward_propagate_single_use_vars): Ditto.
1302 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
1303 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
1304 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
1305 (execute_late_warn_uninitialized): Ditto.
1306 * gcc/rtl.h (cleanup_barriers): Ditto.
1307 (split_all_insns_noflow): Ditto.
1308 (purge_line_number_notes): Ditto.
1309 (unshare_all_rtl): Ditto.
1310 (remove_unnecessary_notes): Ditto.
1311 (recompute_reg_usage): Ditto.
1312 (variable_tracking_main): Ditto.
1313 * gcc/integrate.c (emit_initial_value_sets): Ditto.
1314 * gcc/integrate.h (emit_initial_value_sets): Ditto.
1315 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
1316 (execute_free_cfg_annotations): Ditto.
1317 (execute_fixup_cfg): Ditto.
1318 (execute_cleanup_cfg_pre_ipa): Ditto.
1319 (execute_cleanup_cfg_post_optimizing): Ditto.
1320 (execute_init_datastructures): Ditto.
1321 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
1322 * gcc/combine.c (rest_of_handle_combine): Ditto.
1323 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
1324 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
1325 (rest_of_handle_reorder_blocks): Ditto.
1326 (rest_of_handle_partition_blocks): Ditto.
1327 * gcc/var-tracking.c (variable_tracking_main): Ditto.
1328 * gcc/tree-profile.c (tree_profiling): Ditto.
1329 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
1330 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
1331 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
1332 (rest_of_handle_sched2): Ditto.
1333 * gcc/basic-block.h (free_bb_insn): Ditto.
1334 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
1335 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
1336 (remove_useless_stmts): Ditto.
1337 (split_critical_edges): Ditto.
1338 (execute_warn_function_return): Ditto.
1339 (execute_warn_function_noreturn): Ditto.
1340 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
1341 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
1342 * gcc/passes.c (execute_one_pass): Run additional
1343 todos returned by execute function.
1344 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
1347 2006-03-02 Richard Guenther <rguenther@suse.de>
1349 * tree-ssa-alias.c (find_used_portions): Consider taking
1350 the address as making the variable not write-only.
1352 2006-03-02 Nick Clifton <nickc@redhat.com>
1354 * config.gcc (default_use_cxa_atexit): Extend the description of
1355 this configure variable. Set its default value to "yes" for
1356 Linux, NetBSD and ELF targets on the assumption that they will
1357 use C libraries with the __cxa_atexit function.
1359 2006-03-02 Ben Elliston <bje@au.ibm.com>
1361 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
1362 parameter as unused to suppress a build warning.
1364 2006-03-02 Ben Elliston <bje@au.ibm.com>
1366 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
1369 2006-03-01 Roger Sayle <roger@eyesopen.com>
1372 * gthr-posix.h (__gthrw2): Define to take three parameters, the
1373 declared name, the weak reference name, and the typeof name.
1374 (__gthrw): Avoid expanding the declared name suffix.
1375 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
1377 2006-03-01 Jakub Jelinek <jakub@redhat.com>
1379 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
1381 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
1382 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
1383 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
1384 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
1385 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
1386 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
1387 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
1388 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
1389 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
1390 DW_DS_leading_separate, DW_DS_trailing_separate): New.
1391 (DW_END_default, DW_END_big, DW_END_little): New.
1392 (DW_END_lo_user, DW_END_hi_user): Define.
1393 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
1394 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
1395 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
1398 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1400 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
1402 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
1404 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
1406 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
1408 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
1409 to 'symbol_mem_tag'.
1411 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
1414 2006-03-01 Roger Sayle <roger@eyesopen.com>
1416 * builtins.c (fold_builtin_copysign): Delete unreachable code.
1418 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1421 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
1422 MACHO_DYNAMIC_NO_PIC_P.
1423 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
1425 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1428 * config/darwin-protos.h (darwin_asm_output_anchor):
1430 * config/darwin-sections.def (cstring_section):
1431 Add SECTION_MERGE to the flags.
1432 (literal4_section): Likewise.
1433 (literal8_section): Likewise.
1434 (objc_selector_refs_section): Likewise.
1435 (objc_cls_refs_section): Likewise.
1436 * config/darwin.c (darwin_asm_output_anchor): New
1438 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1440 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
1442 Fix PR tree-optimization/26443
1443 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
1444 to todo and PROP_tmt_usage to properties_destroyed.
1445 * tree-ssa-ccp.c (pass_ccp): Ditto.
1446 (pass_store_ccp): Ditto.
1447 * tree-ssa-dom.c (pass_dominator): Ditto.
1449 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1451 * tree-ssa-operands.c: Cleanup whitespace.
1452 (get_asm_expr_operands): Move before first invocation.
1453 (get_indirect_ref_operands): Likewise.
1454 (get_tmr_operands): Likewise.
1455 (get_call_expr_operands): Likewise.
1456 (append_def): Likewise.
1457 (append_use): Likewise.
1458 (append_v_may_def): Likewise.
1459 (append_v_must_def): Likewise.
1460 (add_call_clobber_ops): Likewise.
1461 (add_call_read_ops): Likewise.
1462 (add_stmt_operand): Likewise.
1463 (add_virtual_operand): Likewise.
1464 (build_ssa_operands): Likewise.
1466 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1471 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1472 with a call expr to ...
1473 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1475 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1477 * tree-vrp.c (extract_range_from_assert): Remove special
1478 handling for types with super-types.
1480 2006-03-01 Ben Elliston <bje@au.ibm.com>
1482 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
1483 and powerpc64-*-linux* configurations.
1484 * config/t-dfprules: New file.
1486 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
1487 Compile dfp-bit.c from the source directory using -DWIDTH and
1488 $DFP_CFLAGS to control the compilation of that file, rather than
1489 generating width-specific versions in the build directory.
1490 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
1491 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
1493 2006-02-28 Zack Weinberg <zackw@panix.com>
1495 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
1498 2006-02-28 Eric Christopher <echristo@apple.com>
1500 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
1501 Set up IN_LIBGCC definition of TARGET_64BIT.
1502 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
1504 2006-02-28 Roger Sayle <roger@eyesopen.com>
1507 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
1508 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
1509 cases via the construction of "expr != 0".
1511 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1513 * alias.c (alias_invariant, alias_invariant_size): Remove.
1514 (record_base_value): Remove.
1515 (memrefs_conflict_p): Don't look at alias_invariant.
1516 (end_alias_analysis): Don't free it.
1517 * alias.h (record_base_value): Remove prototype.
1519 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
1520 Adam Nemet <anemet@caviumnetworks.com>
1522 * rtl.h (truncated_to_mode): Declare it.
1523 (struct rtl_hooks): Add reg_truncated_to_mode hook.
1524 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
1525 (RTL_HOOKS_INITIALIZER): Include it.
1526 * rtlhooks.c (reg_truncated_to_mode_general): New function.
1527 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
1528 reg_truncated_to_mode.
1529 * rtlanal.c (truncated_to_mode): Define it.
1530 * simplify-rtx.c (simplify_unary_operation_1): Use it.
1532 2006-02-28 Jeff Law <law@redhat.com>
1534 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
1535 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
1536 the range allowed by TYPE_PRECISION.
1538 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
1540 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
1542 PR tree-optimization/26419
1543 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
1546 2006-02-27 Zack Weinberg <zackw@panix.com>
1548 * doc/md.texi: Fix typo in previous change.
1550 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
1554 2006-02-27 Zack Weinberg <zackw@panix.com>
1556 * rtl.def (define_constraint, define_register_constraint)
1557 (define_memory_constraint, define_address_constraint): New MD forms.
1558 * gensupport.c (process_rtx): Put define_constraint etc on the
1560 * genpreds.c (process_define_predicate): Adjust comment. Validate
1561 the name, and call validate_exp to validate the expression.
1562 (mark_mode_tests, write_extract_subexp): Can assume correct input.
1563 (write_predicate_expr): Likewise. NAME argument no longer necessary;
1564 all callers changed.
1565 (validate_exp, needs_variable, struct constraint_data)
1566 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
1567 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
1568 (const_dbl_constraints, constraint_max_namelen)
1569 (have_register_constraints, have_memory_constraints)
1570 (have_address_constraints, have_address_constraints)
1571 (have_extra_constraints, have_const_int_constraints)
1572 (have_const_dbl_constraints, mangle, add_constraint)
1573 (process_define_constraint, process_define_register_constraint)
1574 (write_enum_constraint_num, write_lookup_constraint)
1575 (write_insn_constraint_len, write_regclass_for_constraint)
1576 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
1577 (write_insn_extra_memory_constraint)
1578 (write_insn_extra_address_constraint)
1579 (write_satisfies_constraint_fns): New.
1580 (write_tm_preds_h): If we have new-style constraint definitions,
1581 prototype the functions generated from them, and define the
1582 old constraint interface (still used by generic code) in terms of
1584 (write_insn_preds_c): If we have new-style constraint definitions,
1585 generate all relevant functions from those definitions.
1586 (main): Handle define_constraint etc.
1587 * genoutput.c (struct constraint_data, indep_constraints)
1588 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
1589 (mdep_constraint_len): New data structures and functions, defined
1590 #ifdef USE_MD_CONSTRAINTS.
1591 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
1592 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
1593 use new logic to validate operand constraints against constraint
1595 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
1597 * defaults.h: If none of the old-style constraint macros are
1598 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
1599 old-style macros; and poison REG_CLASS_FROM_LETTER,
1600 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
1602 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
1603 * doc/md.texi: Document new constraint-definition mechanism and the
1604 C interface it provides. Remove references to old mechanism
1605 elsewhere in the document.
1606 (Machine Constraints): Use pathnames relative to gcc directory,
1607 i.e. config/ARCH/FILE. Change i386 section to refer to
1608 config/i386/predicates.md; update that section to match docstrings.
1609 * doc/tm.texi: Move all documentation of the old constraint-
1610 definition macros to their own section, clearly mark as obsolete.
1612 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
1613 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
1615 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
1616 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1617 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
1619 (splits and peepholes): Use satisfies_constraint_*.
1620 * config/i386/i386.c (memory_address_length)
1621 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
1623 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1625 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
1626 scalar operation to be put back into the loop.
1628 2006-02-27 Jakub Jelinek <jakub@redhat.com>
1631 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
1632 (extract_cie_info): Handle S flag in augmentation string.
1633 (execute_cfa_program): If context->signal_frame, execute also
1634 fs->pc == context->ra instructions.
1635 (uw_frame_state_for): If context->signal_frame, don't subtract one
1636 from context->ra to find FDE.
1637 (uw_update_context_1): Set context->signal_frame to
1639 (_Unwind_GetIPInfo): New function.
1640 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
1641 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
1643 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
1644 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
1645 * unwind-compat.c (_Unwind_GetIPInfo): New function.
1646 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
1647 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
1648 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
1649 * config/i386/linux-unwind.h (x86_fallback_frame_state,
1650 x86_64_fallback_frame_state): Set fs->signal_frame.
1651 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
1652 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
1653 (frob_update_context): Likewise. Workaround missing S flag in
1654 Linux 2.6.12 - 2.6.16 kernel vDSOs.
1655 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
1656 Remove the psw_addr + 1 hack.
1658 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1660 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1661 with aggregates here.
1662 (find_func_aliases): Remove code for &<aggregate> from here.
1664 2006-02-26 Roger Sayle <roger@eyesopen.com>
1666 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1667 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1668 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1671 2006-02-26 Roger Sayle <roger@eyesopen.com>
1674 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1676 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1678 * opts.c (decode_options): Do not handle flag_strength_reduce.
1679 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1680 and OPT_fstrength_reduce.
1681 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1682 flag_prefetch_loop_arrays for being nonzero.
1683 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1685 (fprefetch-loop-arrays-rtl): Removed.
1686 (flag_prefetch_loop_arrays): Do not specify the value.
1688 * doc/passes.texi: Update documentation of loop optimizer
1690 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1691 -frerun-loop-opt): Remove.
1693 2006-02-26 Richard Guenther <rguenther@suse.de>
1695 PR tree-optimization/26421
1696 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1697 in function calls that are ADDR_EXPRs as using the whole structure.
1699 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1701 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1702 * tree-pass.h (pass_loop_optimize): Remove.
1703 * passes.c (pass_loop_optimize): Never run it.
1704 * toplev.c (backend_init): Don't call init_loop.
1705 * opts.c (flag_loop_optimize_set): Remove.
1706 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1707 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1708 the old RTL loop optimizer when profiling enabled.
1709 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1710 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1711 pre-headers for the sake of the old RTL loop optimizer.
1712 * Makefile.in: Remove all references to loop.o.
1714 * doc/invoke.texi: Remove all references to -floop-optimize
1715 and -frerun-loop-opt.
1717 2006-02-26 Zack Weinberg <zackw@panix.com>
1719 * doc/md.texi (Machine Constraints): Refer to all files with paths
1720 relative to gcc directory (i.e. config/CPU/file). Add missing
1721 @table @code ... @end table to M32C subsection.
1723 2006-02-26 Roger Sayle <roger@eyesopen.com>
1725 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1727 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1729 2006-02-26 Roger Sayle <roger@eyesopen.com>
1730 James A. Morrison <phython@gcc.gnu.org>
1733 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1734 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1735 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1736 signedness of the shift operation.
1738 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1740 PR tree-optimization/26359
1741 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1743 2006-02-25 Roger Sayle <roger@eyesopen.com>
1745 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1746 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1747 as X == 0, and some symmetry related transformations.
1748 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1750 2006-02-25 Roger Sayle <roger@eyesopen.com>
1753 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1754 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
1755 symmetry related transformations. Fold (X^C1) == C2 as
1758 2006-02-25 Juergen Weigert <jw@suse.de>
1759 Richard Guenther <rguenther@suse.de>
1761 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
1763 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
1765 * combine.c (gen_lowpart_or_truncate): Call
1766 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
1768 2006-02-24 Diego Novillo <dnovillo@redhat.com>
1770 * doc/invoke.texi: Move -fopenmp description to "Options for
1772 Remove reference to -lgomp.
1774 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1776 * doc/install.texi: Require GNU tar version 1.14.
1778 2006-02-24 Geoffrey Keating <geoffk@apple.com>
1780 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
1781 * doc/invoke.texi (C++ Dialect Options): Document
1782 -fno-use-cxa-get-exception-ptr.
1783 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
1784 * configure: Regenerate.
1785 * c.opt (fuse-cxa-get-exception-ptr): New.
1786 * c-opts.c (c_common_handle_option): Handle
1787 OPT_fuse_cxa_get_exception_ptr.
1788 * c-common.c (flag_use_cxa_atexit): Update documentation.
1789 (flag_use_cxa_get_exception_ptr): New.
1790 * c-common.h (flag_use_cxa_get_exception_ptr): New.
1791 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
1793 (C_COMMON_OVERRIDE_OPTIONS): New.
1795 2006-02-24 Roger Sayle <roger@eyesopen.com>
1798 * combine.c (try_combine): Explicitly check whether GET_CODE is
1799 a SET or a CLOBBER, instead on checking that it isn't a USE.
1801 2006-02-24 Roger Sayle <roger@eyesopen.com>
1803 * fold-const.c (fold_comparison): New subroutine of fold_binary
1804 containing transformations common to both the equality and
1805 ordering relational operators, factored out of fold_binary.
1806 (fold_binary): Separate out the equality operators (EQ_EXPR
1807 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
1808 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
1809 transformations common to both.
1810 (fold_div_compare): Fix latent bugs in the previously unreachable
1811 LT_EXPR and GE_EXPR cases.
1813 2006-02-24 David Edelsohn <edelsohn@gnu.org>
1815 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
1816 decl libname for clog to __clog on AIX.
1818 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
1820 2006-02-24 Alan Modra <amodra@bigpond.net.au>
1823 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
1824 output traceback table for thunks. Localise rs6000_stack_info call.
1826 2006-02-23 Roger Sayle <roger@eyesopen.com>
1827 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1829 * gthr-posix.h (__gthrw): Fix typo in comment.
1831 2006-02-23 Geoffrey Keating <geoffk@apple.com>
1833 * doc/cpp.texi (Character sets): Document that we do support
1834 input files to be in any character set.
1836 2006-02-23 Jeff Law <law@redhat.com>
1838 * tree.h (PHI_ARG_NONZERO): Remove.
1839 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
1840 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
1841 node to the new node.
1843 PR tree-optimization/26425
1844 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
1845 min/max, then assume its varying.
1847 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1849 PR rtl-optimization/26316
1850 * rtlanal.c (enum may_trap_p_flags): New.
1851 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
1852 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
1853 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
1854 (may_trap_after_code_motion_p): New function.
1855 * loop-invariant.c (find_identical_invariants): Fix dump formating.
1856 (find_invariant_insn): Use may_trap_after_code_motion_p.
1857 * rtl.h (may_trap_after_code_motion_p): Declare.
1859 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
1861 * emit-rtl.c (immed_double_const): Cleanup.
1863 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
1865 Fix PR tree-optimization/26376
1866 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
1869 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1872 * gimplify.c (omp_add_variable): Guard variable size decl test with
1873 DECL_SIZE (decl) check.
1875 2006-02-23 Richard Guenther <rguenther@suse.de>
1878 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
1879 like aggregate types.
1881 2006-02-23 Jakub Jelinek <jakub@redhat.com>
1883 * configure.ac: Add --with{,out}-long-double-128 configure option.
1884 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
1885 * configure: Rebuilt.
1886 * config.in: Rebuilt.
1887 * doc/install.texi (Options specification): Document
1888 --with-long-double-128.
1890 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1891 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1892 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
1893 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
1895 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
1897 * config/s390/s390.c (override_options): Handle
1898 TARGET_DEFAULT_LONG_DOUBLE_128.
1900 * config/alpha/alpha.c (override_options): Handle
1901 TARGET_DEFAULT_LONG_DOUBLE_128.
1903 * config/sparc/sparc.c (sparc_override_options): Handle
1904 TARGET_DEFAULT_LONG_DOUBLE_128.
1906 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
1908 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
1909 (real-install-headers-tar, real-install-headers-cpio)
1910 (real-install-headers-cp): New targets.
1912 2006-02-22 Richard Sandiford <richard@codesourcery.com>
1914 * tree.h (variable_section): Delete.
1915 * varasm.c (variable_section): Delete.
1917 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
1919 * install.texi: Add notes on install.texi2html.
1920 (Building in parallel): Do not use footnotes.
1922 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
1925 * doc/install.texi (Configuration): Document --disable-libgomp.
1927 2006-02-21 Geoffrey Keating <geoffk@apple.com>
1929 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
1931 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1933 * config/i386/sse.md (vec_extractv2df_1_sse): New.
1934 (vec_extractv2df_0_sse): New.
1936 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
1938 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
1939 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
1940 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
1941 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
1942 to the result of the expression.
1943 (def_cfa_1): Adjust.
1944 (frame_pointer_cfa_offset): Rename to...
1945 (frame_pointer_fb_offset): ... this. Adjust all uses.
1946 (convert_cfa_to_loc_list): Rename to...
1947 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
1948 Pass it on to build_cfa_loc.
1949 (compute_frame_pointer_to_cfa_displacement): Rename to...
1950 (compute_frame_pointer_to_fb_displacement): ... this. New
1951 offset parameter. Use it in computation.
1952 (gen_subprogram_die): Compute cfa_fb_offset with the new
1953 macro, and use it to compute the fb loc list and the
1956 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
1958 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
1959 replaced with register_operand.
1960 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
1961 non-DREG is expensive.
1962 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
1963 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
1966 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
1968 * doc/install.texi2html: Use set -e.
1970 2006-02-21 Richard Sandiford <richard@codesourcery.com>
1972 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1973 (ASM_OUTPUT_SHARED_LOCAL): Delete.
1974 * doc/invoke.texi (-fshared-data): Delete.
1975 * common.opt (fshared-data): Delete.
1976 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
1977 (assemble_static_space): Remove #if 0 code.
1978 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
1979 (ASM_OUTPUT_SHARED_LOCAL): Poison.
1980 * config/cris/cris.h: Remove FIXME.
1982 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
1984 * doc/sourcebuild.texi (Front End Directory): No more double-colon
1987 2006-02-21 Jakub Jelinek <jakub@redhat.com>
1990 * combine.c (simplify_shift_const_1): Disable nested shifts
1991 optimization for vector shifts.
1993 2006-02-20 Roger Sayle <roger@eyesopen.com>
1995 PR tree-optimization/26361
1996 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
1997 of unsigned integer types.
1999 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
2001 * tree-chrec.c (eq_evolutions_p): New.
2002 * tree-chrec.h (eq_evolutions_p): Declared.
2003 * tree-data-ref.c: Fix formatting.
2004 (datadep_stats, dependence_stats): New.
2006 (print_direction_vector): New.
2007 (dump_data_dependence_relation): Use print_direction_vector.
2008 (object_analysis, create_data_ref): Handle COMPONENT_REF.
2009 (compute_subscript_distance): Static.
2010 (initialize_data_dependence_relation): Static. Get the number
2011 of loops surrounding the references from the callers, and initialize
2012 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
2013 base_object_differ_p analyzers.
2014 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
2015 compute_overlap_steps_for_affine_1_2,
2016 analyze_subscript_affine_affine): Count the classified dependences.
2017 Print a message when a test failed.
2018 (can_use_analyze_subscript_affine_affine): New.
2019 (analyze_siv_subscript): Compute the data dependences on symbolic
2020 scevs that verify can_use_analyze_subscript_affine_affine.
2021 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
2022 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
2023 Handle symbolic scevs.
2024 (analyze_overlapping_iterations): Let symbolic affine scevs to be
2026 (subscript_dependence_tester): Moved...
2027 (build_classic_dist_vector, build_classic_dir_vector): Don't use
2028 lambda_vector_clear on newly allocated vectors. Get nb_loops from
2029 DDR_SIZE_VECT instead of getting it in parameter.
2030 (subscript_dependence_tester): ... here. Take as a parameter
2031 loop_nest_depth. Call build_classic_dist_vector and
2032 build_classic_dir_vector.
2033 (compute_affine_dependence): Update subscript_dependence_tester
2034 parameters. Update datadep_stats counters. Call
2035 compute_subscript_distance.
2036 (compute_self_dependence): Save the dist and dir vectors. Call
2037 compute_subscript_distance.
2038 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
2039 (compute_all_dependences): Reorder parameters as they were before
2040 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
2041 compute_subscript_distance. Update the use of
2042 compute_affine_dependence and initialize_data_dependence_relation.
2043 (find_data_references_in_loop): Handle COMPONENT_REF.
2044 (compute_data_dependences_for_loop): Initialize dependence_stats.
2045 Don't call build_classic_dist_vector and build_classic_dir_vector.
2046 Update the parameters of initialize_data_dependence_relation and
2047 compute_all_dependences. Print the statistics from datadep_stats.
2048 (analyze_all_data_dependences): Static. Not used until the pass for
2049 checking the data dependences is contributed.
2050 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
2051 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
2052 (initialize_data_dependence_relation, compute_affine_dependence,
2053 analyze_all_data_dependences, compute_subscript_distance): Removed.
2054 (print_direction_vector): New.
2055 * lambda.h (gcd): ... here.
2056 (lambda_vector_gcd): Moved here from gcd_vector.
2057 * lambda-code.c (gcd, gcd_vector): Removed.
2058 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
2059 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
2061 2006-02-20 Diego Novillo <dnovillo@redhat.com>
2063 * ipa-type-escape.c: Tidy some comments and white space.
2064 * tree-ssa-operands.c: Likewise.
2066 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
2069 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
2070 (dump_decl_name): Do not walk the decl tree chains.
2071 * tree-pass.h (TDF_CHAIN): Remove.
2073 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2075 * Makefile.in (C): Remove
2077 (.PHONY): Remove C and PROTO
2079 2006-02-20 Roger Sayle <roger@eyesopen.com>
2082 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
2083 deprecated CHAR_TYPE tree code.
2085 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2087 * configure.ac (target_list): Add install-info, dvi, html.
2088 * configure: Regenerate.
2090 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
2091 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
2092 treelang/Make-lang.in: Do not use double-colon rules.
2094 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
2096 * tree.h (struct tree_memory_tag): Add is_used_alone member.
2097 (TMT_USED_ALONE): New macro.
2098 * tree-pass.h (PROP_tmt_usage): New property.
2099 (TODO_update_tmt_usage): New todo.
2100 * tree-ssa-alias.c (updating_used_alone): New variable.
2101 (recalculate_used_alone): New function.
2102 (compute_may_aliases): Set updating_used_alone, call
2103 recalculate_used_alone.
2104 * tree-sra.c (pass_sra): Note that this pass destroys
2105 PROP_tmt_usage, and add TODO_update_tmt_usage.
2106 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2107 * tree-flow.h (updating_used_alone): Prototype.
2108 (recalculate_used_alone): Ditto.
2109 * passes.c (execute_todo): Add code to set updating_used_alone,
2110 and call recalculate.
2111 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
2112 for clobber if used alone, and add assert to verify used_alone
2115 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
2117 * config/s390/s390.c (legitimize_pic_address): Assertions checking
2118 for non tls symbols added.
2119 (legitimize_address): Do nothing for PLUS expressions if one of the
2120 addends is a tls symbol reference.
2122 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2126 * Makefile.in (LDFLAGS): Define from autoconf substitution.
2128 * Makefile.in (BOOTSTRAPPING): New.
2129 (quickstrap): New definition if BOOTSTRAPPING=yes.
2131 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
2132 * configure.ac: Substitute all_selected_languages with the languages
2133 that were configured. For all the other variables except
2134 lang_specs_files, include all the languages in the tree.
2135 * configure: Regenerate.
2137 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
2138 if there is one. Run the commands to run fixincludes in the same
2141 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
2142 * doc/install.texi: Document exact conventions for searching target tools.
2143 Document --with-build-time-tools. Document toplevel bootstrap. Document
2144 something more about building an Ada cross-compiler. Don't list GNU Make
2145 requirements which affect all platforms.
2147 2006-02-19 Roger Sayle <roger@eyesopen.com>
2150 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
2151 only equivalent if the have both the same mode and precision.
2153 2006-02-20 Ben Elliston <bje@au.ibm.com>
2155 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
2157 2006-02-19 Roger Sayle <roger@eyesopen.com>
2158 Steven Bosscher <stevenb.gcc@gmail.com>
2160 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
2161 constant pool references to identify stack mode constants.
2162 * rtlanal.c (constant_pool_constant_p): New predicate to check
2163 whether operand is a floating point constant in the pool.
2164 * rtl.h (constant_pool_constant_p): Prototype here.
2165 * loop.c (scan_loop): Avoid hoisting constants from the constant
2166 pool on STACK_REGS targets.
2167 (load_mems): Likewise.
2168 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
2169 loads into x87 registers expensive in terms of register pressure.
2171 2006-02-19 Roger Sayle <roger@eyesopen.com>
2173 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
2174 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
2176 2006-02-19 David Edelsohn <edelsohn@gnu.org>
2178 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2179 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
2181 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
2183 * doc/invoke.texi: Document -fipa-pta.
2184 * common.opt: Add ipa-pta option.
2185 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
2186 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
2187 (do_ds_constraint): Ditto.
2188 (get_constraint_for): Only add to referenced_vars if
2189 referenced_vars exists.
2190 (insert_into_field_list): Rewrite to do this unsorted.
2191 (insert_into_field_list_sorted): Rename old insert_into_field_list
2193 (create_function_info_for): Use insert_into_field_list_sorted.
2194 (create_variable_info_for): Rewrite so it uses unsorted version,
2195 since the field list is sorted.
2196 (intra_create_variable_infos): Only add to referenced_vars if
2197 referenced_vars exists.
2198 (ipa_pta_execute): Init heapvars, and delete when done.
2199 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
2201 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2203 * doc/install.texi: Add missing `@samp'.
2205 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2207 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
2210 2006-02-18 Mark Wielaard <mark@klomp.org>
2212 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
2213 who added new 4.1 features, bug fixes and integration support.
2215 2006-02-18 David Edelsohn <edelsohn@gnu.org>
2218 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
2221 2006-02-18 Richard Sandiford <richard@codesourcery.com>
2223 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
2224 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
2225 (copy_insn_1): Likewise. Don't copy each field individually.
2227 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
2229 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
2230 * rtl.c (rtx_size): Rename variable to...
2231 (rtx_code_size): ...this.
2232 (rtx_size): New function.
2233 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
2234 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
2236 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
2237 * rtl.h (rtx_code_size): New variable.
2238 (rtx_size): Change from a variable to a function.
2239 (RTX_SIZE): Rename to...
2240 (RTX_CODE_SIZE): ...this.
2243 PR tree-optimization/17106
2244 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
2245 (Anchored Addresses): New section.
2246 * doc/invoke.texi (-fsection-anchors): Document.
2247 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
2248 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
2249 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
2250 * hooks.c (hook_bool_mode_rtx_false): New function.
2251 * hooks.h (hook_bool_mode_rtx_false): Declare.
2252 * gengtype.c (create_optional_field): New function.
2253 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
2254 SYMBOL_REF_IN_BLOCK_P is true.
2255 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
2256 (min_anchor_offset, max_anchor_offset): Likewise.
2257 (use_anchors_for_symbol_p): New hook.
2258 * toplev.c (compile_file): Call output_object_blocks.
2259 (target_supports_section_anchors_p): New function.
2260 (process_options): Check that -fsection-anchors is only used on
2261 targets that support it and when -funit-at-a-time is in effect.
2262 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
2263 if the decl doesn't have one.
2264 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
2265 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
2266 of force_const_mem through use_anchored_address.
2267 (expand_expr_constant): New function.
2268 (expand_expr_addr_expr_1): Call it. Use the same modifier when
2269 calling expand_expr for INDIRECT_REF.
2270 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
2271 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
2272 * expr.h (use_anchored_address): Declare.
2273 * loop-unroll.c: Don't declare rtx vectors here.
2274 * explow.c: Include output.h.
2275 (validize_mem): Call use_anchored_address.
2276 (use_anchored_address): New function.
2277 * common.opt (-fsection-anchors): New switch.
2278 * varasm.c (object_block_htab, anchor_labelno): New variables.
2279 (hash_section, object_block_entry_eq, object_block_entry_hash)
2280 (use_object_blocks_p, get_block_for_section, create_block_symbol)
2281 (use_blocks_for_decl_p, change_symbol_section): New functions.
2282 (get_variable_section): New function, split out from assemble_variable.
2283 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
2284 use_blocks_for_decl_p say so. Use change_symbol_section if the
2285 symbol has already been created.
2286 (assemble_variable_contents): New function, split out from...
2287 (assemble_variable): ...here. Don't output any code for
2288 block symbols; just pass them to place_block_symbol.
2289 Use get_variable_section and assemble_variable_contents.
2290 (get_constant_alignment, get_constant_section, get_constant_size): New
2291 functions, split from output_constant_def_contents.
2292 (build_constant_desc): Create a block symbol if use_object_blocks_p
2293 says so. Or into SYMBOL_REF_FLAGS.
2294 (assemble_constant_contents): New function, split from...
2295 (output_constant_def_contents): ...here. Don't output any code
2296 for block symbols; just pass them to place_section_symbol.
2297 Use get_constant_section and get_constant_alignment.
2298 (force_const_mem): Create a block symbol if use_object_blocks_p and
2299 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
2300 (output_constant_pool_1): Add an explicit alignment argument.
2301 Don't switch sections here.
2302 (output_constant_pool): Adjust call to output_constant_pool_1.
2303 Switch sections here instead. Don't output anything for block symbols;
2304 just pass them to place_block_symbol.
2305 (init_varasm_once): Initialize object_block_htab.
2306 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
2307 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
2308 (place_block_symbol, get_section_anchor, output_object_block)
2309 (output_object_block_htab, output_object_blocks): New functions.
2310 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
2311 (TARGET_ASM_OUT): Include it.
2312 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
2313 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
2314 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
2315 (TARGET_INITIALIZER): Include them.
2316 * rtl.c (rtl_check_failed_block_symbol): New function.
2317 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
2318 (block_symbol, object_block): New structures.
2319 (rtx_def): Add a block_symbol field to the union.
2320 (BLOCK_SYMBOL_CHECK): New macro.
2321 (rtl_check_failed_block_symbol): Declare.
2322 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
2323 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
2324 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
2325 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
2326 * output.h (output_section_symbols): Declare.
2327 (object_block): Name structure.
2328 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
2329 (default_use_anchors_for_symbol_p): Declare.
2330 * Makefile.in (RTL_BASE_H): Add vec.h.
2331 (explow.o): Depend on output.h.
2332 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
2333 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2334 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2335 (rs6000_use_blocks_for_constant_p): New function.
2337 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2339 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
2341 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2344 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
2347 2006-02-18 Diego Novillo <dnovillo@redhat.com>
2349 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
2353 2006-02-18 Jakub Jelinek <jakub@redhat.com>
2356 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
2357 instead of DECL_REGISTER.
2359 2006-02-18 Olivier Hainque <hainque@adacore.com>
2362 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
2364 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
2367 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
2368 * opth-gen.awk: Handle Var and InverseMask together.
2369 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
2370 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
2371 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
2372 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
2374 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2375 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2376 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
2377 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2378 LINUX_DYNAMIC_LINKER): Define.
2379 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
2380 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
2382 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2383 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
2384 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2385 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2386 (TARGET_C99_FUNCTIONS): Don't define.
2387 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
2388 GLIBC_DYNAMIC_LINKER.
2389 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
2390 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
2391 GLIBC_DYNAMIC_LINKER64): Define.
2392 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2393 LINUX_DYNAMIC_LINKER64.
2394 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2395 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2396 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
2397 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2398 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2399 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2400 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
2401 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
2402 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
2403 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
2404 and LINUX_DYNAMIC_LINKER32.
2405 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2406 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2407 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
2408 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2409 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
2411 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
2412 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
2413 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2414 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2415 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2416 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
2417 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
2418 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
2419 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2420 LINUX_DYNAMIC_LINKER): Define.
2421 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
2422 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
2423 GLIBC_DYNAMIC_LINKER64): Define.
2424 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2425 LINUX_DYNAMIC_LINKER64.
2426 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2427 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2428 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
2429 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2430 LINUX_DYNAMIC_LINKER): Define.
2431 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2432 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2433 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
2434 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
2435 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
2436 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2437 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
2438 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
2439 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2440 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2441 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2442 * doc/invoke.texi (-muclibc): Remove caveat about supported
2445 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2447 * doc/cpp.texi (__TIMESTAMP__): Document.
2449 2006-02-17 Roger Sayle <roger@eyesopen.com>
2452 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
2453 C is one less than the width of X (and related transformations).
2454 * simplify-rtx.c (simplify_unary_operation_1): Transform
2455 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
2456 depending on STORE_FLAG_VALUE, were C is one less then the
2459 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
2461 Fix PR tree-optimization/26341
2462 * tree-ssa-operands.c (add_virtual_operand): Remove assert
2463 about NAME_MEMORY_TAG's.
2465 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2468 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
2469 with hardware float support, and software float support. Add fcpy
2470 alternative to hardware patterns. Add alternatives to copy between
2471 general and floating-point registers to the 32-bit pattern.
2472 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
2473 secondary reload to load a QI or HI mode constant into a floating
2475 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
2476 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
2478 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
2481 * config/rs6000/darwin.md (load_macho_picbase_si): Add
2483 (load_macho_picbase_di): Likewise.
2485 2006-02-16 Jeff Law <law@redhat.com>
2487 * tree-vrp.c (set_value_range_to_nonnegative): New function.
2488 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
2489 (ssa_name_nonzero_p): Likewise.
2490 (get_value_range): Return NULL if VRP is not running.
2491 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
2492 VRP routines do not discover a range.
2493 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
2494 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
2495 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
2496 (tree_expr_nonnegative_p): Similarly.
2497 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
2498 (restore_nonzero_vars_to_original_value): Remove.
2499 (unsafe_associative_fp_binop): Remove.
2500 (tree_ssa_dominator_optimize): Remove initialization and
2501 finalization of nonzero_vars and nonzero_vars_stack.
2502 (dom_opt_initialize_block): No longer push marker on
2504 (dom_opt_finalize_block): No longer call
2505 restore_nonzero_vars_to_original_value.
2506 (record_equivalences_from_phis): No longer look for
2507 nonzero PHI arguments.
2508 (cprop_into_successor_phis): No longer propagate nonzero
2509 property into PHI arguments. Lose unused argument. Caller
2511 (record_equivalences_from_stmt): No longer record nonzero
2512 values for SSA_NAMEs.
2513 (lookup_avail_expr): No longer use nonzero_vars.
2515 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
2516 for sizetype when sizetype is unsigned.
2518 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
2520 PR rtl-optimization/25603
2521 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
2522 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
2523 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
2524 with new meaning of SETS.
2526 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
2531 * config/linux.opt: New file.
2532 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2533 LINUX_DYNAMIC_LINKER): Define.
2534 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
2535 * config.gcc (*-*-linux*): Define extra_options.
2536 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
2537 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
2538 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
2539 GLIBC_DYNAMIC_LINKER.
2540 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
2541 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2542 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2543 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2544 * doc/invoke.texi (GNU/Linux Options): New section.
2546 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2548 * config/sparc/sparc.md (setjmp): Rewrite.
2549 (setjmp_32): Delete.
2550 (setjmp_64): Likewise.
2552 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
2554 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
2557 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2559 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
2562 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2564 PR rtl-optimization/26296
2565 * Makefile.in (loop-invariant.c): Add except.h dependency.
2566 * loop-invariant.c: Include except.h.
2567 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
2569 2005-02-16 Paul Brook <paul@codesourcery.com>
2571 * reload1.c (emit_reload_insns): Invalidate dead input registers used
2574 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
2576 PR rtl-optimization/25636
2577 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
2578 when deciding whether an insn is an initializing insn.
2580 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
2582 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
2583 (tree_code_size): Ditto.
2584 * tree.h (struct tree_memory_tag): Remove parent_var.
2585 (struct tree_struct_field_tag): New.
2588 (union tree_node): Add sft member.
2589 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
2591 (create_sft): Add size and offset argument, set SFT_OFFSET and
2593 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
2594 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
2595 * tree-flow-inline.h (get_subvar_at): Update for
2596 SFT_OFFSET/SFT_SIZE.
2597 (var_can_have_subvars): Ditto.
2598 (overlap_subvar): Ditto.
2599 * print-tree.c (print_node): Print out interesting things for
2601 * tree-flow.h (struct subvar): Remove offset and size members.
2602 * tree-ssa-operands.c (get_expr_operands): Update for
2603 get_indirect_ref_operands changes.
2604 (get_indirect_ref_operands): Call add_virtual_operand instead of
2605 add_stmt_operand. Only recurse on base var if requested.
2606 (access_can_touch_variable): New function.
2607 (add_stmt_operand): Split virtual operand handling into ...
2608 (add_virtual_operand): Here. Add offset, size, and for_clobber
2609 arguments. Prune alias sets.
2610 (add_call_clobber_ops): Call add_virtual_operand.
2612 2006-02-15 Jakub Jelinek <jakub@redhat.com>
2615 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
2617 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
2618 than TREE_CODE as index into omp_clause_num_ops array.
2620 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
2622 PR rtl-optimization/26184
2623 * modulo-sched.c (generate_reg_moves): Free bitmap vector
2625 * modulo-sched.c (sms_schedule): Free g_arr pointer.
2626 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
2627 must_precede, must_follow and tobe_scheduled.
2630 * opts.c (common_handle_option): Free new_option pointer.
2631 * df-core.c (df_analyze): Free postorder pointer.
2633 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2635 * Makefile.in: Fix the examples about the use of stamps
2637 2006-02-15 Michael Matz <matz@suse.de>
2641 * stor-layout.c (layout_decl): Zero-width bitfields aren't
2642 influenced by maximum_field_alignment or DECL_PACKED.
2643 (update_alignment_for_field): Ditto.
2644 (place_field): Ditto.
2645 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
2648 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
2650 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
2651 (debug_flow_info): Pass it.
2652 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
2653 * bb-reorder.c (reorder_basic_blocks): Likewise.
2654 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
2655 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
2656 * flow.c (life_analysis, recompute_reg_usage): Likewise.
2657 * gcse.c (gcse_main, bypass_jumps): Likewise.
2658 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2659 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2660 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2661 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2662 * rtl.h (dump_flow_info): Adjust prototype.
2663 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2664 * var-tracking.c (variable_tracking_main): Likewise.
2665 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2666 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2669 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2671 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2674 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2676 PR tree-optimization/26209
2677 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2678 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2680 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2682 2006-02-14 Roger Sayle <roger@eyesopen.com>
2685 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2686 (X,Y) and the corresponding symmetry related transformations.
2687 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2688 (X,Y) and its symmetry related transformations.
2690 2006-02-14 Roger Sayle <roger@eyesopen.com>
2692 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2695 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2697 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2699 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2702 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2703 support COMDAT group.
2704 * configure: Regenerate.
2706 2006-02-14 Roger Sayle <roger@eyesopen.com>
2711 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2713 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2715 Fix PR tree-optimization/26260
2717 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2719 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2720 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2721 * tree-ssa-structalias.c (create_variable_info_for): Use
2722 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2724 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2726 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2728 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2729 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2730 of the ending condition.
2731 * tree-ssa-loop-manip.c: Include params.h.
2732 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2733 tree_unroll_loop): New functions.
2734 * tree-pass.h (pass_loop_prefetch): Declare.
2735 * loop.c (rest_of_handle_loop_optimize): Test for
2736 -fprefetch-loop-arrays-rtl.
2737 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2738 * timevar.def (TV_TREE_PREFETCH): New timevar.
2739 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2740 pass_loop_prefetch): New.
2741 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2742 (cleanup_tree_cfg_loop): Call scev_reset.
2743 * common.opt (fprefetch-loop-arrays-rtl): Add.
2744 * tree-ssa-loop-prefetch.c: New file.
2745 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2746 (new_temp_expr_table): Initialize expr_vars.
2747 (free_temp_expr_table): Cleanup expr_vars.
2748 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2749 expressions from being merged into one.
2750 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2751 (struct tree_niter_desc): Add control, bound and cmp fields.
2752 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2754 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
2755 (tree-cfgcleanup.o): Add SCEV_H dependency.
2756 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
2757 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
2759 2006-02-14 Richard Guenther <rguenther@suse.de>
2761 PR tree-optimization/26258
2762 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
2763 in PHI argument processing.
2765 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
2767 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
2768 new expression in the requested machine mode.
2770 2006-02-13 Roger Sayle <roger@eyesopen.com>
2772 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
2773 directly, instead let do_compare_rtx_and_jump handle this for us.
2774 * expr.c (expand_expr_real_1): Likewise.
2775 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
2776 before do_jump_by_parts_greater.
2777 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
2778 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
2780 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2782 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
2784 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2786 PR rtl-optimization/26235
2787 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
2788 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
2791 2006-02-13 Jeff Law <law@redhat.com>
2793 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
2796 2006-02-13 Jakub Jelinek <jakub@redhat.com>
2799 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
2800 twice if decl is a builtin. When trying again, call get_callee_fndecl
2801 first to verify it is still a builtin.
2803 2006-02-13 Geoffrey Keating <geoffk@apple.com>
2805 * dwarf2out.c (base_type_die): Don't add AT_name here.
2806 (subrange_type_die): Don't add AT_name here.
2807 (modified_type_die): Rearrange code flow. Do add AT_name here.
2809 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
2811 PR rtl-optimization/26247
2812 PR rtl-optimization/26248
2813 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
2815 2006-02-13 Richard Sandiford <richard@codesourcery.com>
2817 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
2818 * config/fixtfdi.c: Likewise.
2819 * config/fixunstfdi.c: Likewise.
2820 * config/floatditf.c: Likewise.
2822 2006-02-13 Roger Sayle <roger@eyesopen.com>
2825 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
2826 into (X,C2) if C1 is a subset of the bits of C2. Transform
2827 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
2829 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
2831 2006-02-13 Josh Conner <jconner@apple.com>
2834 * varasm.c (function_section): Check for section name before
2835 calling select_section on targets that define
2836 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
2837 unlikely_text_section instead of hot_function_section if
2838 first_function_block_is_cold.
2840 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
2843 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
2845 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2847 PR rtl-optimization/26222
2848 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
2849 after tree->rtl expansion.
2850 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
2851 before passing it to emit_move_insn.
2853 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
2855 * doc/invoke.texi (-Write-strings): Document that it is enabled by
2857 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
2858 Clarify documentation.
2859 * c-common.h (warn_write_strings): Remove.
2860 * c-common.c (warn_write_strings): Likewise.
2861 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
2864 2006-02-12 Roger Sayle <roger@eyesopen.com>
2867 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
2868 (do_jump_parts_zero_rtx): New function renamed from
2869 do_jump_parts_equality_rtx. Made static. Add a mode argument.
2870 (do_jump_parts_equality_rtx): New function split out from
2871 do_jump_parts_equality. Old implementation renamed as above.
2872 Call do_jump_parts_zero_rtx if either operand is zero.
2873 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
2874 do all of the heavy lifting.
2875 (do_compare_rtx_and_jump): Handle multi-word comparisons by
2876 calling either do_jump_by_parts_greater_rtx or
2877 do_jump_by_parts_equality_rtx.
2878 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
2879 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
2880 moved to do_compare_rtx_and_jump, call it directly.
2881 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
2882 mode argument. Call do_compare_rtx_and_jump.
2883 (emit_case_nodes): Update calls to do_jump_if_equal.
2885 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2887 PR rtl-optimization/26225
2888 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
2890 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
2892 PR rtl-optimization/26232
2893 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
2895 2006-02-11 Jason Merrill <jason@redhat.com>
2898 * tree-inline.c (declare_return_variable): Just don't use the
2899 modify target if it's a gimple complex reg and the return slot
2902 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2904 * doc/contrib.texi: Update my entry.
2906 2006-02-10 Geoffrey Keating <geoffk@apple.com>
2908 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
2910 2006-02-10 Diego Novillo <dnovillo@redhat.com>
2912 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
2915 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
2917 * doc/invoke.texi (-floop-optimize2): Removed.
2918 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
2919 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
2920 Test flag_branch_on_count_reg only if HAVE_doloop_end.
2921 * common.opt (floop-optimize2): Removed.
2922 (fmove-loop-invariants): Enabled by default.
2924 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
2926 * tree-if-conv.c (combine_blocks): Free the result of
2927 get_loop_exit_edges.
2929 2006-02-10 Jeff Law <law@redhat.com>
2931 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
2933 PR tree-optimization/26213
2934 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
2935 loop trying to follow SSA_NAME_VALUE chains.
2937 2006-02-10 Richard Guenther <rguenther@suse.de>
2939 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
2940 deal with structures that end in implicitly variable sized arrays.
2942 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2944 PR rtl-optimization/24762
2945 * df-scan.c (df_bb_refs_record): Record correct registers defined on
2948 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2950 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
2951 (struct ivopts_data): Add regs_used field.
2952 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
2953 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
2954 instead of loop_data->regs_used;
2955 (free_loop_data): Do not free aux fields for loops.
2956 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
2957 and tree_ssa_iv_optimize_finalize.
2959 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
2961 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
2963 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2966 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
2967 computing the effective result type.
2969 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
2972 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
2973 (tree_overlaps_hard_reg_set): Declare.
2974 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
2975 type and signature to match function type expected by walk_tree.
2976 (tree_overlaps_hard_reg_set): New function.
2977 (decl_conflicts_with_clobbers_p): Rename to:
2978 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
2979 Use tree_overlaps_hard_reg_set. Changed caller.
2980 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
2981 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
2982 * cris.c (cris_md_asm_clobbers): Likewise.
2984 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
2986 * reload1.c (emit_input_reload_insns): Delete code that tries to
2987 inherit using find_equiv_reg.
2989 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
2991 * c-common.h (flag_const_strings): Don't declare.
2992 * c-common.c (flag_const_strings): Remove.
2993 * c.opt (fconst_strings): Remove.
2994 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
2995 <OPT_Wwrite_strings>: Don't set flag_const_strings.
2996 (c_common_init_options): Don't set flag_const_strings.
2997 * doc/invoke.texi (-fno-const-strings): Remove documentation.
2999 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
3001 * arm.md (tlobits_cbranch): New pattern.
3002 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
3003 testing a single bit.
3005 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3008 * tree-ssa-pre.c (create_component_ref_by_pieces):
3009 Handle RETURN_DECL like VAR_DECL.
3011 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3014 * fold-const.c (fold_indirect_ref_1): Fold
3015 "*(foo *)&complexfoo" to "__real__ complexfoo"
3016 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
3018 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3020 * tree-flow-inline.h (var_can_have_subvars):
3021 Volatile variables should not have subvariables.
3023 2006-02-09 Diego Novillo <dnovillo@redhat.com>
3026 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
3027 multiplying unsigned values.
3030 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3032 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
3034 2006-02-08 Jason Merrill <jason@redhat.com>
3037 * tree.def: Elaborate on difference from MODIFY_EXPR.
3038 * doc/c-tree.texi (INIT_EXPR): Likewise.
3039 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
3040 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
3041 (gimplify_target_expr): Likewise.
3042 (gimplify_cond_expr): Remove target handling.
3043 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
3044 (gimplify_expr): Clobber it here.
3045 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
3046 Do return slot optimization if we have an INIT_EXPR.
3049 * tree-inline.c (declare_return_variable): Also clear
3050 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
3053 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
3056 * gimplify.c (gimplify_one_sizepos): Fix typo.
3058 2006-02-08 Jeff Law <law@redhat.com>
3060 PR tree-optimization/21417
3061 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
3062 across a backedge if the control statement at the end of the
3063 block is data dependent on other statements in the same block.
3064 (record_temporary_equivalences_from_stmts): Remove over-conservative
3065 test for threading across backedges.
3067 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
3068 control statement, handle all three special cases in the same
3069 manner as they all have the same desired solution. No longer
3070 special case edge flag updating when the post dominator is
3073 2006-02-08 Roger Sayle <roger@eyesopen.com>
3075 * tree.def (CHAR_TYPE): Remove.
3076 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
3077 * dwarf2out.c (base_type_die, is_base_type): Likewise.
3078 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
3079 (gen_string_type_die): Delete unreachable function.
3081 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
3082 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
3083 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
3084 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
3085 * builtins.c (type_to_class): Likewise.
3086 * fold-const.c (fold_convert, build_range_check,
3087 merge_ranges): Likewise.
3088 * expr.c (count_type_elements): Likewise.
3089 * c-pretty-print.c (pp_c_type_specifier): Likewise.
3090 * stor-layout.c (layout_type): Likewise.
3091 * ipa-type-escape.c (type_to_consider): Likewise.
3092 * gimplify.c (omp_firstprivatize_type_sizes,
3093 gimplify_type_sizes): Likewise.
3094 * explow.c (promote_mode): Likewise.
3095 * tree-sra.c (is_sra_scalar_type): Likewise.
3096 * varasm.c (output_constant): Likewise.
3097 * tree-inline.c (remap_type_1): Likewise.
3098 * convert.c (convert_to_pointer, convert_to_real,
3099 convert_to_integer, convert_to_complex): Likewise.
3101 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
3103 * df-scan.c (df_def_record_1): A set destination may
3104 be a parallel regardless of mode.
3106 2006-02-08 Roger Sayle <roger@eyesopen.com>
3109 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
3110 * config/mips/_tilib.c: Remove.
3111 * config/fixtfdi.c: New libgcc source file.
3112 * config/fixunstfdi.c: New source file.
3113 * config/floatditf.c: New source file.
3114 * config/floatunditf.c: New souce file.
3115 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3116 files above instead of config/mips/_tilib.c.
3117 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3119 2006-02-08 Jeff Law <law@redhat.com>
3121 PR tree-optimization/26169
3122 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
3125 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
3127 * df.h (DF_REG_SIZE): Return the length of the initialized
3130 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
3132 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
3133 __muldf3): Return a correctly signed zero.
3135 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
3137 * passes.c (register_one_dump_file): Accept the current properties
3138 instead of pass number. Adjust call to dump_register. Remove
3140 (register_dump_files): Now a wrapper around...
3141 (register_dump_files_1): ... this one. Do not modify the pass
3143 (next_pass_1): Cosmetic fix.
3144 (execute_todo): Keep second parameter only. Use curr_properties
3145 instead of fetching it from the pass structure. Check and set
3147 (execute_one_pass): Handle TODO_set_props. Use curr_properties
3148 instead of fetching it from the pass structure. Fix calls to
3149 execute_todo. Update curr_properties and initialize .vcg RTL dump
3150 after running the pass. Reset last_verified.
3151 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
3153 (FIRST_AUTO_NUMBERED_DUMP): New.
3154 (dump_register): Remove "num" parameter, assign it within the
3156 (get_dump_file_name): Modify template for dumps.
3157 * tree-dump.h (dump_register): Adjust prototype.
3158 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
3159 (PROP_trees): Add PROP_gimple_lomp.
3160 (TODO_set_props): New.
3161 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
3162 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
3163 * cfgexpand.c (pass_expand): Destroy PROP_trees.
3165 2006-02-08 Jakub Jelinek <jakub@redhat.com>
3167 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
3168 (sparc64-*-linux*): Likewise.
3169 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
3170 * config/sparc/t-linux: New file.
3171 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
3172 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
3173 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
3174 -m32 -mlong-double-128.
3176 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
3177 * config/alpha/t-linux: New file.
3178 * config/alpha/libgcc-alpha-ldbl.ver: New file.
3180 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
3181 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
3182 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
3183 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
3184 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
3185 (CPP_ARCH32_SPEC): Remove.
3187 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
3189 PR tree-optimization/26145
3190 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
3193 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3196 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
3197 >= 240000 when generating code for SOM runtime.
3198 (output_indirect_call): Don't use "b,l" instruction for indirect calls
3199 to $$dyncall when generating code for SOM runtime..
3201 2006-02-07 Dirk Mueller <dmueller@suse.com>
3204 * doc/invoke.texi (-Wsequence-point): Update documentation
3205 that -Wsequence-point is implemented for C++ as well.
3207 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3209 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
3210 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
3211 (LIB_SPEC): Likewise.
3212 * doc/invoke.texi (SPARC options): Document -pthread.
3214 2006-02-07 Geoffrey Keating <geoffk@apple.com>
3216 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
3219 2006-02-07 Roger Sayle <roger@eyesopen.com>
3221 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
3222 Correct comment describing BOOLEAN_TYPE.
3224 2006-02-07 Dirk Mueller <dmueller@suse.com>
3226 * c.opt: C++ frontend supports -Wdiv-by-zero.
3227 * c-opts.c (c_common_handle_option): Remove dead case.
3229 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3231 * configure.ac (TLS assembler check): Do not enable TLS by
3232 default on SPARC/Solaris before version 10.
3233 * configure: Regenerate.
3235 2006-02-07 David Edelsohn <edelsohn@gnu.org>
3237 * doc/invoke.texi (xl-compat): Document conversion and support
3240 2006-02-07 Jeff Law <law@redhat.com>
3242 * tree-vrp.c (find_conditional_asserts): Update comments.
3243 (simplify_stmt_for_jump_threading): New.
3244 (identify_jump_threads, finalize_jump_threads): New.
3245 (vrp_finalize): Call identify_jump_threads.
3246 (execute_vrp): Call finalize_jump_threads.
3247 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
3248 (vrp_element, vrp_data, vrp_element_p): Remove.
3249 (vrp_hash_elt, vrp_variables_stack): Remove.
3250 (vrp_hash, vrp_eq, record_range): Remove.
3251 (simplify_cond_and_lookup_avail_expr): Remove.
3252 (extract_range_from_cond): Remove.
3253 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
3254 (simplify_stmt_for_jump_threading): New.
3255 (dom_thread_across_edge): New wrapper.
3256 (tree_ssa_dominator_optimize): No longer initialize or
3257 finalize any of the VRP datastructures. Remove iteration
3258 step and simplify as a result of removal of iteration step.
3259 (pass_dominator): Perform a cfg cleanup after DOM.
3260 (dom_opt_finalize_block): Use the new common routines
3261 for threading jumps. Simplify stack management slightly.
3262 No longer need to unwind VRP state.
3263 (record_equivalences_from_incoming_edge): No longer record
3265 (eliminate_redundant_computations): No longer call
3266 simplify_cond_and_lookup_avail_expr.
3267 * tree-flow.h (potentially_threadable_block): Prototype.
3268 (thread_across_edge): Likewise.
3269 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
3270 (tree-ssa-threadedge.o): Add dependencies.
3271 * tree-ssa-threadedge.c: New file.
3272 * passes.c (init_optimization_passes): Merge PHIs before
3273 calling VRP. Run VRP again late in the SSA optimization pipeline.
3275 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3277 * df-core.c (df_set_blocks): Do not dereference function pointers.
3278 (df_finish1): Likewise.
3279 (df_hybrid_search_forward): Likewise.
3280 (df_hybrid_search_backward): Likewise.
3281 (df_iterative_dataflow): Likewise.
3282 (df_analyze_problem): Likewise.
3283 (df_compact_blocks): Likewise.
3284 (df_dump): Likewise.
3285 * df-scan.c (df_rescan_blocks): Likewise.
3286 (df_record_entry_block_defs): Likewise.
3288 * genconditions.c (write_conditions): Guard the definition of
3289 'insn_conditions' with the check on GCC version.
3290 (write_writer): Guard the traversal 'insn_conditions' with
3291 the check on GCC version.
3293 2006-02-07 Richard Guenther <rguenther@suse.de>
3297 2006-01-30 Richard Guenther <rguenther@suse.de>
3299 * gimplify.c (gimplify_target_expr): Handle easy cases
3300 without creating a temporary.
3302 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
3304 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
3305 use of float in probability computations. Use edge probabilities
3306 in place of statically computed probabilities.
3307 (min_spec_prob): New static variable.
3308 (schedule_insns): Initialize it.
3309 (GET_SRC_PROB): Removed.
3310 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
3312 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
3315 * config/ia64/unwind-ia64.c: Revert last change.
3316 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
3317 (INCOMING_FRAME_SP_OFFSET): Define.
3319 2006-02-06 Roger Sayle <roger@eyesopen.com>
3321 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
3323 2006-02-07 Ben Elliston <bje@au.ibm.com>
3325 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
3326 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
3327 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
3328 (ix86_return_in_memory): Handle TDmode.
3329 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
3330 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
3332 2006-02-06 Richard Sandiford <richard@codesourcery.com>
3334 * reorg.c (dbr_schedule): Use dump_file instead of file.
3336 2006-02-06 Steve Ellcey <sje@cup.hp.com>
3339 * config/ia64/predicates.md (extr_len_operand): New predicate.
3340 * config/ia64/ia64.md (extv): Tighten constraints.
3342 (*tbit_and_2): Ditto.
3343 (*tbit_and_3): Ditto.
3344 (*tbit_or_2): Ditto.
3345 (*tbit_or_3): Ditto.
3349 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
3352 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
3354 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3356 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
3357 loop_optimizer_init and loop_optimizer_finalize
3358 * tree-ssa-sink.c (execute_sink_code): Ditto.
3359 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3360 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
3361 tree_ssa_loop_done): Ditto.
3362 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
3363 * sched-ebb.c: Include output.h.
3364 (schedule_ebbs): Do not use dump argument.
3365 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
3366 * loop.c (loop_dump_stream): Removed.
3367 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
3369 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
3370 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
3371 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
3372 loop_iterations, strength_reduce, record_biv, record_giv,
3373 final_giv_value, check_final_value, check_ext_dependent_givs,
3374 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
3375 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
3376 dump_file instead of loop_dump_stream.
3377 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
3379 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
3381 * flow.c (life_analysis, rest_of_handle_life): Ditto.
3382 * haifa-sched.c: Include output.h
3383 (schedule_insns, sched_init): Do not use dump argument.
3384 * mode-switching.c (optimize_mode_switching): Ditto.
3385 * modulo-sched.c (stats_file): Removed.
3386 (print_node_sched_params): Do not call argument dump_file.
3387 (sms_schedule_by_order, loop_canon_p, sms_schedule,
3388 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
3390 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
3392 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
3393 rtl_loop_init, rtl_loop_done): Ditto.
3394 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
3395 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
3397 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
3398 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
3399 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
3400 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
3401 * emit-rtl.c (renumber_insns): Ditto.
3402 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
3403 expand_gimple_basic_block, tree_expand_cfg): Ditto.
3404 * regclass.c (regclass): Ditto.
3405 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
3406 remove_ssa_form, rewrite_out_of_ssa): Ditto.
3407 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
3408 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
3410 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
3411 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
3413 * gcse.c (gcse_file, debug_stderr): Removed.
3414 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
3415 rest_of_handle_gcse): Do not use dump argument.
3416 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
3417 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
3418 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
3419 compute_code_hoist_vbeinout, compute_code_hoist_data,
3420 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
3421 compute_store_table, build_store_vectors, insert_insn_start_bb,
3422 insert_store, remove_reachable_equiv_notes, replace_store_insn,
3423 store_motion): Use dump_file instead of gcse_file.
3424 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
3425 * profile.c (profile_dump_file): Removed.
3426 (branch_prob): Use dump_file instead of profile_dump_file.
3427 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
3429 * tree-ssa-copy.c (dump_copy_of): Ditto.
3430 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
3431 dump file to life_analysis.
3432 * bt-load.c (branch_target_load_optimize): Ditto.
3433 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
3435 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
3436 regclass, dbr_schedule): Declaration changed.
3437 * sched-int.h (sched_init): Declaration changed.
3438 * tree-profile.c (tree_profile_dump_file): Removed.
3439 (tree_profile_hooks): Removed profile_dump_file hook.
3440 * rtl-profile (rtl_profile_dump_file): Removed.
3441 (rtl_profile_hooks): emoved profile_dump_file hook.
3442 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
3444 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
3445 * tree-cfg.c (build_tree_cfg): Ditto.
3446 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
3447 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
3448 Declaration changed.
3449 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
3450 life_analysis and schedule_insns.
3451 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
3453 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
3455 * config/mips/mips.c (mips_reorg): Ditto.
3456 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
3459 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
3461 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3462 (s390_mangle_fundamental_type): New.
3463 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3466 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3467 (alpha_mangle_fundamental_type): New.
3468 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3471 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3473 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3475 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3476 (sparc_mangle_fundamental_type): New.
3478 2006-02-06 Jakub Jelinek <jakub@redhat.com>
3480 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
3481 (s390x-*-linux*): Likewise.
3482 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
3483 * config/s390/t-linux: New file.
3485 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3487 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
3488 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
3490 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
3492 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
3493 (ANTIC_SAFE_LOADS): New macro.
3494 (find_or_generate_expression): Add prototype.
3495 (set_contains_value): Allow null set for sake of not always having
3496 to allocate ANTIC_SAFE_LOADS.
3497 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
3498 Allow COMPONENT_REF too.
3499 (valid_in_set): Allow COMPONENT_REF.
3500 Check ANTIC_SAFE_LOADS too.
3501 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
3502 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
3504 (can_PRE_operation): Add COMPONENT_REF.
3505 (create_component_ref_by_pieces): New function.
3506 (create_expression_by_pieces): Use create_component_ref_by_pieces.
3507 (insert_aux): Move AGGREGATE_TYPE_P check here.
3508 (compute_avail): Set bb local stmt uids.
3509 (pass_pre): Use TODO_update_ssa_only_virtuals.
3511 2006-02-06 Ben Elliston <bje@au.ibm.com>
3513 * configure.ac: Unconditionally disable decimal float by default.
3514 * configure: Regenerate.
3516 2006-02-06 Ben Elliston <bje@au.ibm.com>
3518 * read-rtl.c (read_name): Terminate reading on EOF.
3520 2006-02-06 Ben Elliston <bje@au.ibm.com>
3522 * dfp.c (decimal_real_arithmetic): Change second argument type
3523 from int to enum tree_code. Do not always return true, but now
3524 return result of any call to decimal_do helper functions.
3525 * dfp.h (decimal_real_arithmetic): Update prototype.
3527 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
3529 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
3531 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
3534 * tree-cfg.c (cleanup_dead_labels): Also don't remove
3537 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3539 * tree-vrp.c (cfg_loops): Removed.
3540 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
3541 Use current_loops instead of cfg_loops. Pass flags to
3542 loop_optimizer_init.
3543 * cfgloopmanip.c (fix_loop_structure): Update only available
3545 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
3546 loop_optimizer_init.
3547 * modulo-sched.c (build_loops_structure): Removed.
3548 (sms_schedule): Use loop_optimizer_init.
3549 * loop-init.c (loop_optimizer_init): Use flags to determine
3550 which properties of loops to prepare.
3551 (rtl_loop_init): Pass flags to loop_optimizer_init.
3552 * tree-ssa-sink.c (execute_sink_code): Ditto.
3553 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
3554 * tree-ssa-pre.c (init_pre): Ditto.
3555 * cfgloop.h (LOOPS_NORMAL): New.
3556 (loop_optimizer_init): Declaration changed.
3558 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3560 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
3561 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
3563 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
3565 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
3567 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
3568 * pa/t-pa64: Delete quadlib.c rule.
3569 * pa/x-ada: Revert last change.
3570 * pa/t-pa: Revert last change. Delete quadlib.c rule.
3572 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3574 PR rtl-optimization/26087
3575 * rtlanal.c (canonicalize_condition): Do not cross basic block
3578 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
3581 * config/ia64/ia64.c: Include debug.h.
3582 (MAX_ARTIFICIAL_LABEL_BYTES): New.
3583 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
3584 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
3585 (process_epilogue, process_set, process_for_unwind_directive):
3586 Output unwind info only if requested. Add CFA info if requested.
3587 Add new arguments as needed. Adjust callers.
3588 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
3590 (DWARF2_FRAME_INFO): Define to zero.
3591 * config/ia64/unwind-ia64.c: Remove code that compensated for
3592 the CFA offset error fixed above.
3593 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
3594 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
3595 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
3596 -funwind-tables and -fexceptions to enable frame info.
3597 (dwarf2out_frame_init): Define initial CFA even if
3598 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
3599 DWARF2_UNWIND_INFO is nonzero, not just defined.
3600 (dwarf2out_frame_finish): Output non-EH call frame info only
3601 if DWARF2_FRAME_INFO is nonzero.
3602 (convert_cfa_to_loc_list,
3603 compute_frame_pointer_to_cfa_displacement): Define even if
3604 unwind info is not supported.
3605 (gen_subprogram_die): Use the above unconditionally. Remove
3606 legacy alternate code.
3607 * toplev.c (compile_file): Compile in call to
3608 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
3609 (lang_dependent_init): Ditto for dwarf2out_frame_init.
3611 2006-02-04 David Edelsohn <edelsohn@gnu.org>
3612 Jakub Jelinek <jakub@redhat.com>
3614 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
3615 IBM extended float format long double as "g" on powerpc*-linux.
3617 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3620 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
3621 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
3623 2006-02-03 Jason Merrill <jason@redhat.com>
3626 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
3629 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
3630 on the return slot if it's an NRV.
3632 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
3634 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
3635 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
3636 rewrite_use): Do not handle USE_OUTER.
3637 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
3638 add_iv_outer_candidates, may_replace_final_value,
3639 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
3640 (find_interesting_uses_op): Functionality of
3641 find_interesting_uses_outer_or_nonlin moved here.
3642 (find_interesting_uses_outside): Use find_interesting_uses_op.
3644 2006-02-03 Alan Modra <amodra@bigpond.net.au>
3647 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
3649 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
3650 Ulrich Weigand <uweigand@de.ibm.com>
3653 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
3654 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
3655 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
3656 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3658 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3659 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3660 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3661 Define secondary reloads for TFmode moves.
3662 (constant_modes): Add TFmode.
3663 (NR_C_MODES): Set to 8.
3664 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3666 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3667 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3668 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3669 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3670 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3671 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3672 (FPR mode macro): Add TFmode.
3673 (DSF mode macro): New.
3674 (<de>, <dee> mode attributes): Removed.
3675 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3676 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3677 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3678 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3679 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3680 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3681 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3682 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3683 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3684 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3685 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3686 "*negabs<mode>2", "sqrt<mode>2"):
3687 Changed <de> to <xde>. R constraint replaced by <Rf>.
3688 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3690 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3691 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3692 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3694 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3695 "extenddftf2", "extendsftf2"): New expanders.
3696 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3697 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3698 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3699 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3701 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3702 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3703 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3704 __floatditf): Add a GCC_4.1.0 symbol version tag.
3705 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3708 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3711 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3712 Use targetm.binds_local_p instead of TREE_PUBLIC.
3714 2006-02-02 Roger Sayle <roger@eyesopen.com>
3716 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3717 on INTEGER_TYPEs to indicate that it denotes a character type.
3718 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3719 signed_char_type_node, unsigned_char_type_node and char_type_node.
3720 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3721 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3722 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3724 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3725 Daniel Berlin <dberlin@dberlin.org>
3727 * tree-tailcall.c (arg_needs_copy_p): New function.
3728 (eliminate_tail_call): Use arg_needs_copy_p.
3729 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3730 (add_virtual_phis): New function.
3732 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3734 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3735 #ignore instead of #scratch for %g7 .register directive.
3737 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3739 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3742 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3744 * flow.c (calculate_global_regs_live): Assert that there aren't any
3747 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3749 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3751 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3752 bsi_after_labels iterator.
3753 * tree-if-conv.c (find_phi_replacement_condition,
3754 replace_phi_with_cond_modify_expr): Likewise.
3755 * tree-scalar-evolution.c (scev_const_prop): Likewise.
3756 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
3758 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3760 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
3762 2006-02-02 Diego Novillo <dnovillo@redhat.com>
3765 * tree-cfg.c (move_block_to_fn): Clear out the basic block
3766 array after growing it.
3768 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3771 * fold-const.c (fold_checksum_tree): Change type of buf.
3773 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
3775 * reload.c (push_secondary_reload): Initialize t_icode.
3777 2006-02-01 Jakub Jelinek <jakub@redhat.com>
3779 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
3780 -msoft-float -mlong-double-128 only issue a warning, but don't
3781 swich to DFmode long double.
3783 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
3785 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
3786 has a constant equivalent, iterate over equivalents for arg0,
3787 calling simplify_relational_operation and if there's a result
3788 cheaper than X, apply fold_rtx and return the result.
3790 2006-02-01 Jan Hubicka <jh@suse.cz>
3792 * opts.c (no_unit_at_a_time_default): New global variable.
3793 (decode_options): Use it.
3794 * opts.h (no_unit_at_a_time_default): Declare.
3796 2006-02-01 Paul Brook <paul@codesourcery.com>
3798 * function.c (assign_parm_setup_reg): Use function argument promotion
3800 * expr.c (expand_expr_real_1): Use function argument promotion rules
3803 2006-02-01 Steve Ellcey <sje@cup.hp.com>
3805 * gcc.c (process_command): Change j to 'unsigned int'.
3807 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3810 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
3811 Use the corrected index for the character
3812 out of the string constant.
3814 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3816 * mode-switching.c (optimize_mode_switching): Fix size
3817 allocated for bb_info[n_entities].
3819 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
3821 * gcc.c (main): Correct type that is allocated for
3822 explicit_link_files.
3824 2006-01-31 Jakub Jelinek <jakub@redhat.com>
3826 * config/s390/s390.c (init_alignment_context): Set
3827 ALIAS_SET_MEMORY_BARRIER on the MEM.
3828 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
3830 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
3833 * loop-unroll.c (unroll_loop_runtime_iterations): Free
3835 * tree-ssa-live.c (type_var_init): Allocate bitmap after
3838 2006-01-31 Marcin Dalecki <martin@dalecki.de>
3840 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
3841 * regrename.c: Ditto.
3842 * tree-ssa-loop-im.c: Ditto.
3843 * tree-dump.c: Ditto.
3844 * tree-complex.c: Ditto.
3845 * genrecog.c: Ditto.
3846 * tree-ssa-threadupdate.c: Ditto.
3848 * java/class.c: Ditto.
3849 * java/jcf-parse.c: Ditto.
3850 * java/resource.c: Ditto.
3851 * java/except.c: Ditto.
3852 * java/jvspec.c: Ditto.
3853 * java/jcf-write.c: Ditto.
3854 * java/jcf-path.c: Ditto.
3855 * java/gjavah.c: Ditto.
3856 * java/zextract.c: Ditto.
3857 * java/jcf-io.c: Ditto.
3858 * java/jcf.h: Ditto.
3859 * java/buffer.c: Ditto.
3860 * java/lang.c: Ditto.
3861 * java/parse-scan.y: Ditto.
3862 * java/lex.c: Ditto.
3863 * java/lex.h: Ditto.
3864 * cfgloopmanip.c: Ditto.
3865 * postreload-gcse.c: Ditto.
3866 * tree-ssa-loop-manip.c: Ditto.
3867 * postreload.c: Ditto.
3868 * tree-ssa-loop-ch.c: Ditto.
3872 * diagnostic.c: Ditto.
3874 * genoutput.c: Ditto.
3876 * cfghooks.c: Ditto.
3877 * cfgloopanal.c: Ditto.
3878 * objc/objc-act.c: Ditto.
3880 * genextract.c: Ditto.
3881 * genautomata.c: Ditto.
3882 * pretty-print.c: Ditto.
3884 * cgraphunit.c: Ditto.
3887 * haifa-sched.c: Ditto.
3888 * dominance.c: Ditto.
3890 * tree-ssa-loop-ivopts.c: Ditto.
3892 * mode-switching.c: Ditto.
3893 * modulo-sched.c: Ditto.
3895 * ipa-pure-const.c: Ditto.
3897 * fix-header.c: Ditto.
3899 * tree-stdarg.c: Ditto.
3900 * ipa-utils.c: Ditto.
3901 * loop-init.c: Ditto.
3902 * ipa-inline.c: Ditto.
3905 * alloc-pool.c: Ditto.
3906 * dwarf2out.c: Ditto.
3908 * genattrtab.c: Ditto.
3909 * tree-ssa-loop-ivcanon.c: Ditto.
3913 * fortran/gfortranspec.c: Ditto.
3915 * local-alloc.c: Ditto.
3916 * langhooks.c: Ditto.
3917 * function.c: Ditto.
3918 * tree-vectorizer.c: Ditto.
3920 * ipa-type-escape.c: Ditto.
3922 * tree-if-conv.c: Ditto.
3925 * tree-data-ref.c: Ditto.
3926 * loop-unroll.c: Ditto.
3927 * treelang/treetree.c: Ditto.
3930 * ggc-common.c: Ditto.
3932 * coverage.c: Ditto.
3934 * tree-cfgcleanup.c: Ditto.
3935 * tree-ssa-pre.c: Ditto.
3936 * cfgcleanup.c: Ditto.
3937 * loop-invariant.c: Ditto.
3939 * ipa-prop.c: Ditto.
3940 * print-tree.c: Ditto.
3941 * conflict.c: Ditto.
3942 * ggc-page.c: Ditto.
3943 * sched-deps.c: Ditto.
3944 * regclass.c: Ditto.
3945 * tree-object-size.c: Ditto.
3947 * bb-reorder.c: Ditto.
3948 * resource.c: Ditto.
3949 * var-tracking.c: Ditto.
3951 * df-problems.c: Ditto.
3952 * reg-stack.c: Ditto.
3955 * sched-rgn.c: Ditto.
3956 * tree-ssa-structalias.c: Ditto.
3957 * tree-ssa-reassoc.c: Ditto.
3958 * config/darwin-c.c: Ditto.
3959 * config/darwin.c: Ditto.
3960 * config/arm/arm.c: Ditto.
3962 * collect2.c: Ditto.
3965 2006-01-31 Nicolas Pitre <nico@cam.org>
3967 * arm.md (smaxsi3): Make aware of smax_m1.
3970 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
3972 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
3974 2006-01-31 Richard Guenther <rguenther@suse.de>
3976 * doc/invoke.texi (-msselibm): Document.
3977 * target.h (expand_library_builtin): New target hook.
3978 * builtins.c (expand_builtin): Use expand_library_builtin.
3979 (default_expand_library_builtin): New function.
3980 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3981 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3982 (link_gcc_math_spec): Declare.
3983 (static_specs): Add link_gcc_math_spec.
3984 * expr.h (default_expand_library_builtin): Declare.
3985 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3986 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3987 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3988 * config/i386/i386.opt (msselibm): New target option.
3989 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3990 (ix86_init_sse_abi_builtins): New function.
3991 (ix86_expand_library_builtin): Likewise.
3992 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3993 (override_options): Handle error conditions wrt -msselibm.
3994 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3995 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3996 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3999 2006-01-31 Richard Guenther <rguenther@suse.de>
4000 Paolo Bonzini <bonzini@gnu.org>
4002 * doc/install.texi (--disable-libgcc-math): Document.
4004 2006-01-30 Marcin Dalecki <martin@dalecki.de>
4006 * expr.h (expand_normal): new inline function.
4007 * builtins.c: use it, use EXPAND_NORMAL explicitely.
4009 * dwarf2out.c: use it.
4014 * config/sparc/sparc.c: use it.
4015 * config/i386/i386.c: use it.
4016 * config/rs6000/rs6000.c: use it.
4017 * config/arm/arm.c: use it.
4018 * config/mips/mips.c: use it.
4019 * stmt.c: use it, use EXPAND_NORMAL explicitely.
4021 2006-01-30 Roger Sayle <roger@eyesopen.com>
4023 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
4024 argv to the appropriate type.
4026 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
4028 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
4031 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
4034 * config/s390/s390.c (struct machine_function): New flag
4035 decomposed_literal_pool_addresses_ok_p.
4036 (s390_reorg): Set it before final stage of literal pool transforms.
4037 (s390_decompose_address): Only accept displacements of the form
4038 (minus (label_ref ...) (label_ref ...)) if that flag is set.
4040 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
4042 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
4043 the comparison routine return.
4045 2006-01-30 Michael Matz <matz@suse.de>
4047 * global.c (find_reg): Only evict for global regs.
4048 Take n_refs into account and dump more info.
4050 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
4053 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
4054 (pragma_trap, pragma_nosave_low_regs): Likewise.
4055 (current_function_anonymous_args): Likewise.
4056 (sh_deferred_function_attributes): New variable.
4057 (sh_deferred_function_attributes_tail): Likewise.
4058 (print_operand): For '@', look up trap_exit attribute.
4059 (calc_live_regs): Look up trapa_handler attribute. For trapa
4060 handlers, save/restore fpscr, but don't do any other
4061 interrupt-specific saves.
4062 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
4063 Fix check for partially saved registers to check for SHmedia.
4064 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
4065 (sh_output_function_epilogue): Don't clear any of the removed
4067 (sh_insert_attributes): Don't check pragma_interrupt.
4068 Insert deferred attributes. Check that interrupt attribute is
4069 present for other attributes that require its presence.
4070 (sh_attribute_table): Add new attributes trapa_handler and
4072 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
4073 Don't check for pragma_interrupt. Don't store argument.
4074 * sh.h (pragma_interrupt, sp_switch): Don't declare.
4075 (sh_deferred_function_attributes): Declare.
4076 (sh_deferred_function_attributes_tail): Likewise.
4077 * sh.md (sp_switch_1): Add operand. Change generator caller.
4078 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
4079 (*return_i): Don't use when trap_exit attribute is in effect.
4080 (*return_trapa): New insn pattern.
4082 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
4083 setting c_target_objs and cxx_target_objs.
4084 * t-sh: Add rule for sh-c.o.
4086 2006-01-30 Richard Guenther <rguenther@suse.de>
4089 * gimplify.c (gimplify_target_expr): Handle easy cases
4090 without creating a temporary.
4092 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
4094 * vec.h (safe_grow): Remove duplicated line.
4096 2006-01-29 Diego Novillo <dnovillo@redhat.com>
4099 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
4100 (expand_omp): ... here.
4101 (expand_omp_parallel): Only remove barriers for combined
4102 parallel+workshare constructs.
4104 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
4108 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4109 * tree.c (build_qualified_type): Chain the new type to the original
4110 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4111 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4112 (build_pointer_type_for_mode): Only return unqualified types.
4113 (build_reference_type_for_mode): Likewise.
4115 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
4117 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
4118 * Makefile.in (CXX_COMPAT_WARN): Define.
4119 * configure: Regenerate.
4121 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
4124 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
4127 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4129 * toplev.c: Fix thinko.
4131 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4132 Marcin Dalecki <martin@dalecki.de>
4134 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
4135 (push_srcloc): Use XNEW.
4136 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
4138 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4140 * df-core.c (df_set_blocks): Deleted all variable.
4142 2006-01-28 Ian Lance Taylor <ian@airs.com>
4144 * cgraphunit.c (cgraph_assemble_pending_functions): Call
4145 cgraph_output_pending_asms.
4147 2006-01-28 Zack Weinberg <zackw@panix.com>
4149 * c.opt: Add -W(no-)overlength-strings.
4150 * doc/invoke.texi: Document it.
4151 * c-opts.c (c_common_handle_option): -pedantic implies
4152 -Woverlength-strings, if not explicitly disabled already.
4153 (c_common_post_options): -Woverlength-strings defaults to off, and
4154 is always off for C++.
4155 * c-common.c (fix_string_type): Issue warning about strings longer
4156 than is portable only if warn_overlength_strings. Rearrange code
4157 a little for clarity.
4158 * configure.in: Check for -Wno-overlength-strings as well before
4159 enabling -pedantic in stage 1.
4160 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
4161 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
4163 * genconditions.c (write_header, write_one_condition)
4164 (write_conditions, write_writer): Consolidate very long strings
4165 that were broken up to fit in C89 portable limit. Don't use
4166 printf when fputs will do.
4168 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
4170 * combine.c (simplify_comparison <AND>): Check
4171 TRULY_NOOP_TRUNCATION before start using a subreg.
4173 * config/mips/mips.md (*branch_zero<mode>,
4174 *branch_zero<mode>_inverted, *branch_equality<mode>,
4175 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
4176 Remove mode check from comparisons.
4178 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
4180 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
4182 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4184 * expmed.c (const_mult_add_overflow_p): Remove.
4185 * expr.h: Remove the prototype for const_mult_add_overflow_p.
4187 * recog.c (validate_replace_rtx_subexp): Remove.
4188 * recog.h: Remove the prototype for
4189 validate_replace_rtx_subexp.
4191 * integrate.h: Remove the prototype for
4192 copy_decl_for_inlining.
4193 * rtl.h: Remove the prototype for mark_constant_function.
4194 * tree-vectorizer.h: Remove the prototype for
4195 vect_strip_conversion.
4197 * modulo-sched.c (create_partial_schedule,
4198 free_partial_schedule, reset_partial_schedule): Make them
4201 * hooks.c (hook_bool_rtx_int_false): Remove.
4202 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
4204 2006-01-28 David Edelsohn <edelsohn@gnu.org>
4206 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4207 and -mlong-double-128 are incompatible.
4208 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
4209 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
4210 (TARGET_LIBGCC2_CFLAGS): Define.
4211 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
4212 (TARGET_LIBGCC2_CFLAGS): Same.
4213 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
4215 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4218 * c-typeck.c (build_binary_op): Perform implicit casts of
4219 operands before shortening them.
4221 * cfgloopmanip.c (split_loop_bb): Remove.
4222 * cfgloop.h: Remove the prototype for split_loop_bb.
4224 * cfgloop.c (flow_loop_outside_edge_p): Remove.
4225 * cfgloop.h: Remove the prototype for
4226 flow_loop_outside_edge_p.
4228 * emit-rtl.c (init_virtual_regs): Make it static.
4229 * function.h: Remove the prototype for init_virtual_regs.
4231 * recog.c (peephole2_optimize): Make it static.
4232 * recog.h: Remove the prototype for peephole2_optimize.
4234 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4236 * df-scan.c (df_record_entry_block_defs): Check if
4237 INCOMING_RETURN_ADDR_RTX is defined.
4239 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
4240 Kenneth Zadeck <zadeck@naturalbridge.com>
4242 PR rtl-optimization/24762
4243 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4244 * targhooks.c (hook_void_bitmap): New hook prototype.
4245 * targhoohs.h (hook_void_bitmap): Ditto.
4246 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
4247 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
4248 * target.h (live_on_entry): New function pointer.
4249 * df-scan.c (df_all_hard_regs): Removed.
4250 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
4251 (df_scan_free_internal): Added df->entry_block_defs.
4252 (df_scan_alloc): Ditto.
4253 (df_scan_dump): Ditto.
4254 (df_uses_record): Plumbed flag field properly thru calls.
4255 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
4256 This part fixes PR24762.
4257 (df_bb_refs_record): Added code to make the frame and arg
4258 pointers live in EH blocks.
4259 (df_refs_record): Added call to df_record_entry_block_defs.
4260 (df_record_entry_block_defs): New function.
4261 * df-core.c: Added comments to describe new artifical defs.
4262 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
4263 (entry_block_defs): New field in struct df.
4264 (df_all_hard_regs): Deleted.
4265 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4266 * df-problems.c (df_ru_bb_local_compute_process_def):
4267 Added code to handle artifical defs in the entry to a function.
4268 (df_ru_bb_local_compute): Ditto.
4269 (df_rd_bb_local_compute_process_def): Ditto.
4270 (df_rd_bb_local_compute): Ditto.
4271 (df_lr_bb_local_compute): Ditto.
4272 (df_ur_bb_local_compute): Ditto.
4273 (df_urec_bb_local_compute): Ditto.
4274 (df_chain_create_bb): Ditto.
4275 (df_ur_local_finalize): Removed entry.
4276 (df_urec_init): Ditto.
4277 (df_urec_local_finalize): Ditto.
4278 (df_ri_bb_compute): Added detection of last use of pseudos.
4279 * Makefile.in (df-scan.o): Updated dependencies.
4280 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
4281 * config/mips/mips.c (mips_set_live_on_entry): Added.
4282 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
4284 * dce.c (marked_insn_p): Added code to handle artifical defs.
4286 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4288 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
4290 (_mm_cvtsi128_si64): Likewise.
4291 (_mm_cvtsd_si64): Likewise.
4292 (_mm_cvttsd_si64): Likewise.
4293 (_mm_cvtsi64_sd): Likewise.
4294 (_mm_cvtsi64_si128): Likewise.
4295 * config/i386/mmintrin.h (_m_from_int64): Likewise.
4296 (_mm_cvtsi64_m64): Likewise.
4297 (_m_to_int64): Likewise.
4298 (_mm_cvtm64_si64): Likewise.
4299 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
4300 (_mm_cvttss_si64): Likewise.
4301 (_mm_cvtsi64_ss): Likewise.
4302 (_mm_cvtss_f32): Likewise.
4304 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
4306 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
4307 for pragma redefine_extname.
4309 2006-01-27 Jakub Jelinek <jakub@redhat.com>
4312 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
4313 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
4314 -mno-minimal-toc to previous content.
4315 (bispecs): Remove goal.
4316 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
4317 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
4318 compatibility aliases on powerpc-*-*gnu*.
4319 * config/rs6000/libgcc-ppc-glibc.ver: New file.
4320 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
4321 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
4322 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
4323 (ldblspecs): New goal.
4324 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
4325 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
4327 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
4328 L_sf_to_tf or L_df_to_tf is defined.
4330 2006-01-27 David Edelsohn <edelsohn@gnu.org>
4331 Alan Modra <amodra@bigpond.net.au>
4334 * config/rs6000/linux.h (POWERPC_LINUX): Define.
4335 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
4336 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
4337 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
4338 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
4339 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
4340 (rs6000_override_options): Initialize rs6000_ieeequad.
4341 Initialize TFmode format to ibm_extended_format if not
4343 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
4345 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
4346 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
4347 (function_arg_advance): IBM long double passed in two FPRs, not
4349 (function_arg): IBM long double passed in FPRs.
4350 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
4351 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
4352 Only multireg GPR aligned.
4353 (rs6000_init_libfuncs): Enable IBM long double functions if not
4355 (rs6000_generate_compare): Use IBM long double compare if not
4357 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
4358 (TARGET_IEEEQUAD): Define.
4359 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
4360 not TARGET_IEEEQUAD.
4361 * config/rs6000/rs6000.md: Enable TFmode patterns if
4363 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
4364 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4365 and -mlong-double-128 are incompatible.
4366 * doc/invoke.texi (-mabi): Collect options together. Add
4367 ibmlongdouble and ieeelongdouble.
4369 2006-01-27 Richard Sandiford <richard@codesourcery.com>
4371 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
4373 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
4374 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
4375 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
4376 * rtl.h (rtunion_def): Remove rt_ptr.
4378 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
4379 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
4380 * config/i386/winnt.c (i386_pe_mark_dllexport)
4381 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
4383 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
4385 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
4387 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4391 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
4392 pthread_key_delete. From John David Anglin. gthrw-ify
4393 pthread_getunique_np only if it it's not a macro. Delete
4395 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
4396 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
4397 __gthread_objc_condition_signal, __gthread_key_delete): Add
4398 "__attribute__ ((__unused__))" to unused arguments.
4399 (__gthread_recursive_mutex_init_function): Add missing return.
4400 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
4401 gthr-posix95.h: Use macro-based approach for name redirection
4402 on targets missing weakref.
4404 2006-01-26 Zack Weinberg <zackw@panix.com>
4406 * genconditions.c (write_header): In generated code, #ifdef out
4407 all includes and fake declarations, except includes of bconfig.h
4408 and system.h, unless GCC_VERSION >= 3001. Do not include
4409 gensupport.h in any case.
4410 (write_conditions): Generate a definition of struct c_test. Add
4411 a comment to the generated #endif.
4412 (write_one_condition): Escape backslashes in string too.
4413 (write_writer): Generated code must escape backslashes and quote
4414 marks (but not newlines) in the strings it writes.
4415 * Makefile.in (build/gencondmd.o): Update dependencies.
4417 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4420 * Makefile.in (insn-automata.o): Add header file dependencies.
4421 * genautomata.c: Add includes.
4423 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4426 * Makefile.in (insn-automata.o): Add -Wno-error flag.
4428 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4430 * configure.ac: Expect target tools paths to be passed from the toplevel
4431 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
4433 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
4435 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4438 * c.opt (Wpointer-sign): Init to -1.
4439 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
4440 OPT_pedantic, to 0 otherwise.
4441 * doc/invoke.texi: Update.
4443 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4445 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
4446 constants provided by 80387 instructions in the destination mode.
4448 2006-01-26 Richard Guenther <rguenther@suse.de>
4449 Andrew Pinski <pinskia@physics.uc.edu>
4452 partial PR tree-opt/17064
4453 * tree-ssa-structalias.c (intra_create_variable_infos):
4454 Create heap variables for incoming parameters if
4455 flag_argument_noalias > 1.
4456 (find_what_p_points_to): Look through default defs of
4459 2006-01-26 Jeff Law <law@redhat.com>
4462 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
4463 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
4464 within the VR_RANGE, use the VR_RANGE as the result, not the
4466 (adjust_range_with_scev): Reject ranges from SCEV which are out of
4467 bounds for the type.
4469 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
4471 * tree-ssa-alias.c (maybe_create_global_var): Change
4472 subvar walking to an assertion that we don't have subvar'd variables.
4474 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
4477 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
4478 Use a new variable, inner. PARM_DECLs are always non-weak.
4480 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
4482 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
4485 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
4487 * config/mips/mips.md (*clear_upper32): New combiner pattern.
4489 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
4491 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
4492 (smax_insn, smin_insn, smax_0, smin_0): New.
4494 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
4497 * config/cris/cris.c (cris_order_for_addsi3): New function.
4498 * config/cris/cris-protos.h: Prototype it.
4499 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
4500 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
4501 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
4502 (split for "op.S1 [rx=rx+i],ry (swapped)")
4503 (split for "op(s|u).S1 [rx=rx+i],ry")
4504 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
4505 Apply cris_order_for_addsi3 when generating addsi3 insns.
4507 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4509 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
4510 (TREE_BLOCK): Add call to EXPR_CHECK.
4512 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4515 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
4516 * tree-pretty-print.c (dump_omp_clause): Extract from ...
4517 (dump_omp_clauses): ... here.
4518 (dump_generic_node): Handle OMP_CLAUSE.
4519 * tree.c (omp_clause_num_ops): New.
4520 (omp_clause_code_name): New.
4521 (tree_code_size): Handle OMP_CLAUSE.
4522 (tree_size): Likewise.
4523 (make_node): Document handling of OMP_CLAUSE.
4524 (tree_node_structure): Handle OMP_CLAUSE.
4525 (omp_clause_check_failed): New.
4526 (omp_clause_range_check_failed): New.
4527 (omp_clause_operand_check_failed): New.
4528 (build_omp_clause): New.
4529 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
4530 * tree.h (enum omp_clause_code): Declare.
4531 (OMP_CLAUSE_SUBCODE_CHECK): Define.
4532 (OMP_CLAUSE_RANGE_CHECK): Define.
4533 (OMP_CLAUSE_ELT_CHECK): Define.
4534 (omp_clause_check_failed): Declare.
4535 (omp_clause_operand_check_failed): Declare.
4536 (omp_clause_range_check_failed): Declare.
4537 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
4538 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
4539 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
4540 (OMP_CLAUSE_LASTPRIVATE): Likewise.
4541 (OMP_CLAUSE_IF_EXPR): Likewise.
4542 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
4543 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
4544 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
4545 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
4546 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
4547 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
4548 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
4549 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
4550 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
4551 (OMP_CLAUSE_CODE): Define.
4552 (OMP_CLAUSE_SET_CODE): Define.
4553 (OMP_CLAUSE_CODE): Define.
4554 (OMP_CLAUSE_OPERAND): Define.
4555 (struct tree_omp_clause): Declare.
4556 (union tree_node): Add field 'omp_clause'.
4557 * treestruct.def (TS_OMP_CLAUSE): Define.
4558 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
4559 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
4560 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
4561 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
4562 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
4563 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
4564 (OMP_CLAUSE): Define.
4565 * print-tree.c (print_node): Handle OMP_CLAUSE.
4566 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
4567 * c-typeck.c: Likewise.
4568 * gimplify.c: Likewise.
4569 * c-omp.c: Likewise.
4570 * tree-nested.c: Likewise.
4571 * tree-inline.c: Likewise.
4572 * c-parser.c: Likewise.
4573 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
4576 2006-01-25 Roger Sayle <roger@eyesopen.com>
4578 PR rtl-optimization/25703
4579 * combine.c (try_combine): Handle zero_extract and strict_low_part
4580 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
4582 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
4584 * global.c: Fix comment typos.
4586 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
4589 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
4590 Use output_addr_const instead of assemble_name.
4592 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
4594 * Makefile.in (sched-vis.o): Update dependencies.
4595 * haifa-sched.c (sched_finish): Clear current_sched_info.
4596 * cfg.c (dump_bb_info): New, split from dump_flow_info.
4597 (dump_flow_info): Call it.
4598 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
4600 * basic-block.h (dump_bb_info): Declare.
4601 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
4602 option, and apply options only for dump files whose TDF_RTL,
4603 TDF_TREE, or TDF_IPA bits match.
4604 * rtl.h: Declare new functions exported from sched-vis.c.
4605 * sched-vis.c: Enable also if scheduling is not used.
4606 (print_value): Print the mode of registers if not inside scheduling.
4607 (print_insn): Make it work outside the scheduler. Beautify the output
4609 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
4611 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4613 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
4614 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
4615 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
4616 depending on the value of CONSTANT_POOL_ADDRESS_P.
4617 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
4619 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
4620 rather than SYMBOL_REF_DECL.
4621 (rtx_constant_pool): Remove const_rtx_sym_htab.
4622 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
4623 (init_varasm_status): Don't initialize const_rtx_sym_htab.
4624 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
4625 Remove handling of const_rtx_sym_htab.
4626 (find_pool_constant): Delete.
4627 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
4628 rather than find_pool_constant.
4629 (get_pool_constant_for_function): Delete.
4630 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
4632 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
4633 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
4634 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
4635 (SYMBOL_REF_CONSTANT): New macro.
4636 (get_pool_constant_for_function): Delete.
4637 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
4638 rather than SYMBOL_REF_DECL.
4639 (i386_pe_mark_dllimport): Likewise.
4640 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
4641 rather than SYMBOL_REF_DECL.
4642 * config/darwin.c (machopic_indirect_data_reference): Likewise.
4643 (machopic_indirect_call_target): Likewise.
4645 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
4647 * flow.c (delete_noop_moves): Add missing EOL to dump message.
4649 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4651 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
4653 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
4655 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
4657 2006-01-24 David Daney <ddaney@avtrex.com>
4660 * configure.ac (enable_tls): New enable option.
4661 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
4662 * configure: Regenerate.
4663 * doc/install.texi (--enable-tls): Document new option.
4664 (--disable-tls): Ditto.
4666 2006-01-24 Richard Henderson <rth@redehat.com>
4668 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4669 * alias.c (true_dependence): Respect it.
4670 (canon_true_dependence, write_dependence_p): Likewise.
4671 * builtins.c (get_builtin_sync_mem): Set it.
4673 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4675 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4678 2006-01-24 DJ Delorie <dj@redhat.com>
4680 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4681 for storing constants in single-bit bitfields.
4683 2006-01-25 Ben Elliston <bje@au.ibm.com>
4685 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4687 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4690 * tree-ssa-pre.c (phi_translate): Return NULL
4691 for AGGREGATE_TYPE's.
4693 2006-01-24 Zack Weinberg <zackw@panix.com>
4695 * genautomata.c (process_state_for_insn_equiv_partition):
4696 Use xcalloc for insn_arcs_array.
4697 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4698 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4700 2006-01-24 Richard Henderson <rth@redhat.com>
4702 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4705 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4707 PR rtl-optimization/25890
4708 PR rtl-optimization/25905
4709 * combine.c (expand_compound_operation, expand_field_assignment):
4710 Fail if the bitfield's final position is out of bounds.
4712 2006-01-24 Ian Lance Taylor <ian@airs.com>
4715 * cgraphunit.c (cgraph_output_in_order): Don't clear
4716 cgraph_asm_nodes until after asm strings have been output.
4718 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4720 * fix-header.c (read_scan_file): Add new parameter imultilib when
4721 calling register_include_chains.
4723 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4725 * omp-low.c: Update documentation.
4727 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4728 Daniel Berlin <dberlin@dberlin.org>
4732 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4733 return from the function.
4735 2006-01-22 Zack Weinberg <zackw@panix.com>
4737 * rtl.def (match_code): Add second argument.
4738 * genpreds.c (write_extract_subexp): New function.
4739 (write_match_code): Add path argument. Use write_extract_subexp.
4740 (write_predicate_expr): Pass path to write_match_code.
4741 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4742 not perform a mode test.
4743 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4744 a subexpression does not constrain the top-level code set.
4745 * read-rtl.c (read_rtx_variadic): New function.
4746 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4747 * doc/md.texi: Document new notation.
4748 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4749 (cmpsi_operand): ... here, using new notation.
4751 2006-01-22 Zack Weinberg <zackw@panix.com>
4753 * varray.c: Remove GENERATOR_FILE #ifdefs.
4755 2006-01-22 Zack Weinberg <zackw@panix.com>
4757 * genautomata.c (output_reserved_units_table): Emit nothing if
4758 description->query_units_num is zero. Remove extra blank line.
4759 (output_cpu_unit_reservation_p): Short circuit
4760 if description->query_units_num is zero.
4762 2006-01-22 Zack Weinberg <zackw@panix.com>
4764 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
4765 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
4766 nor any of the random handful of variables that used to be necessary
4767 when this program was linked with rtlanal.o. Prune set of forward
4768 function declarations.
4769 (struct attr_desc): Remove static_p field.
4770 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
4771 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
4772 (attr_string): Do not read the character one past the length of
4774 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
4775 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
4776 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
4777 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
4778 (make_automaton_attrs): New.
4779 (main): Do not call into genautomata. Call local gen_bypass
4780 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
4781 Remove special case for insn_alts.
4782 * genautomata.c: Include gensupport.h; not genattrtab.h nor
4783 varray.h (leftover from previous change). Prune set of forward
4784 function declarations. Remove state_alts fields from all
4785 structures. Remove state_alts_table from struct automaton.
4786 Make everything except main static. Do not maintain num_dfa_decls.
4787 Do not maintain state_alts fields of various structures.
4788 (process_decls): Don't validate condexp for dm_insn_reserv decls.
4789 (add_arc): Remove state_alts argument. All callers updated.
4790 (output_reserved_units_table): Emit #ifdef here...
4791 (output_tables): ...not here. Don't generate state_alts tables.
4792 (expand_automata): Don't generate attributes.
4793 (write_automata): Don't generate state_alts functions.
4794 (main): New function.
4795 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
4796 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
4797 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
4798 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
4799 (BYPASS_P_FUNC_NAME, output_state_alts_table)
4800 (output_automata_list_state_alts_code, output_internal_state_alts_func)
4801 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
4802 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
4804 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
4805 * genattrtab.h: Delete file.
4806 * Makefile.in (OBJS-common): Add insn-automata.o.
4807 (insn-automata.o): New rule.
4808 (simple_generated_c): Add insn-automata.c.
4809 (build/genattrtab.o, build/genautomata.o): Update dependencies.
4810 (genprogmd): Add automata.
4811 (build/genattrtab): Needs no extra objects nor libraries.
4812 (build/genautomata): Needs build/vec.o and -lm.
4814 2006-01-22 Zack Weinberg <zackw@panix.com>
4816 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
4817 (output_dfa_max_issue_rate, locked_states_num): Delete.
4818 (struct automaton): Add locked_states field.
4819 (output_dead_lock_vect): Save number of locked states in
4820 automaton->locked_states. If it is zero, don't print anything.
4821 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
4822 (output_internal_dead_lock_func): Only test the dead_lock_vect
4823 for automata that have locked states.
4824 (output_statistics): Always print the number of locked states for
4825 each automaton. Calculate total number of locked states here.
4826 (write_automata): Don't call output_dfa_max_issue_rate.
4827 * genattrtab.c: Define length_unit_log as a const variable.
4828 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
4829 max_insn_queue_index const.
4830 * final.c (length_unit_log): Declare const.
4831 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
4833 2006-01-22 Zack Weinberg <zackw@panix.com>
4835 * genautomata.c: Include vec.h, not varray.h.
4836 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
4837 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
4838 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
4839 VEC_* macros operating on appropriately typed vectors, or to
4840 malloced arrays when the size is known in advance. Const-ify
4841 many char* variables and function arguments. No functional changes.
4842 * Makefile.in (build/varray.o): Delete rule.
4843 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
4844 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
4846 2006-01-22 Zack Weinberg <zackw@panix.com>
4848 * gensupport.c: Define get_insn_name and record_insn_name here.
4849 (read_md_rtx): Call record_insn_name as appropriate.
4850 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
4851 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
4852 * genpreds.c, genrecog.c: Don't define get_insn_name nor
4854 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
4855 (BUILD_VARRAY): Delete.
4856 (genprognormal): Rename genprogmd. Fold in all programs from
4857 genprognoprint; also attrtab.
4858 (build/genattrtab): Just mention genautomata.o and varray.o.
4859 Reorganize a bit, add comments to make the categories clearer.
4861 2006-01-22 Zack Weinberg <zackw@panix.com>
4863 * genconditions.c (condition_table, add_condition): Delete.
4864 (write_conditions): Don't emit n_insn_conditions nor
4865 insn_elision_unavailable. Issue the gcc version #ifdef here,
4866 inside the table, with no #else clause ...
4867 (write_header): ...not here.
4868 (write_writer): New function.
4869 (main): Don't initialize condition_table. Use add_c_test.
4871 * gensupport.c (init_md_reader_args_cb): Handle multiple input
4872 files on the command line.
4873 (maybe_eval_c_test): Don't check insn_elision_unavailable.
4874 Return -1 if there is no entry in the table, don't abort.
4875 (add_c_test, traverse_c_tests): New functions.
4876 * gensupport.h (insn_elision_unavailable, insn_conditions)
4877 (n_insn_conditions): Delete declarations.
4878 (add_c_test, traverse_c_tests): Declare.
4879 * read-rtl.c: Include gensupport.h.
4880 (read_conditions): New function.
4881 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
4882 (read_rtx_1): If we get EOF when we were looking for an initial
4883 open paren, return 0. Call read_conditions when appropriate.
4884 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
4885 dummy-conditions.o. Eliminate references to insn-conditions.o,
4886 or change them to build/gencondmd.o, as appropriate. Remove
4887 insn-constants.h from $(simple_generated_h) and insn-conditions.c
4888 from $(simple_generated_c). For all files remaining in those
4889 two lists, add insn-conditions.md to the generator command line.
4890 Give insn-constants.h/s-constants their own rules. Add rules
4891 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
4892 (build/read-rtl.o): Depend on gensupport.h.
4893 (genprognormal): Include preds.
4894 (genprogearly): Rename genprognoprint; only difference is now that
4895 they don't link with $(BUILD_PRINT).
4896 * dummy-conditions.c: Delete.
4898 2006-01-22 Zack Weinberg <zackw@panix.com>
4900 * genextract.c: Don't include insn-config.h. Do include vec.h.
4901 Declare vectors of int, char, and locstr.
4902 (locstr): New typedef.
4903 (struct extraction): Make all array fields into bare pointers.
4904 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
4905 (insn_code_number): Delete.
4906 (accum_extract): New struct.
4907 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
4908 (gen_insn): Take insn_code_number as an argument. Use an
4909 accum_extract structure instead of loading data directly into
4910 a struct extraction, and having to know how big it might get.
4911 (walk_rtx): Operate entirely on an accum_extract structure.
4912 (print_path): Avoid unnecessary use of printf.
4913 (print_header): New function, split out of main. Distinguish
4914 more carefully between an unrecognizable insn and an insn that
4915 has the code number of a define_expand.
4916 (main): Pass insn_code_number to gen_insn. Call print_header
4917 only after parsing. Avoid unnecessary use of printf.
4918 * Makefile.in (build/vec.o): New rule.
4919 (build/genextract): Depend on build/vec.o.
4920 (build/genextract.o): Don't depend on insn-config.h.
4922 2006-01-22 Zack Weinberg <zackw@panix.com>
4924 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
4925 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
4926 practical. Eliminate per-generator-program link rules.
4928 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4931 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4932 with a call expr to ...
4933 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4935 2006-01-23 Richard Guenther <rguenther@suse.de>
4937 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
4938 before make_edge with conditional EDGE_TRUE_VALUE.
4940 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
4941 Jan Hubicka <jh@suse.cz>
4942 Richard Guenther <rguenther@suse.de>
4944 PR rtl-optimization/25654
4945 * cfgexpand.c (aggregate_contains_union_type): New function.
4946 (add_alias_set_conflicts): Call it. Make sure to add conflicts
4947 for structure variables that contain a union type.
4949 2006-01-23 Richard Sandiford <richard@codesourcery.com>
4951 * gengtype.c (new_structure): Return the structure.
4952 (create_option): Add an extra "next" argument.
4953 (create_field): New function.
4954 (adjust_field_rtx_def): Use create_option and create_field.
4955 Remove a now-unnecessary call to find_structure.
4956 (adjust_field_tree_def): Likewise.
4957 (note_yacc_type): Remove an unnecessary call to find_structure.
4958 * gengtype.h (new_structure): Return the structure.
4959 (create_option): Add an extra argument.
4960 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
4961 (option): Adjust calls to create_option.
4963 2006-01-22 David Edelsohn <edelsohn@gnu.org>
4965 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
4967 2006-01-22 Paul Brook <paul@codesourcery.com>
4968 Peter Barada <peter@the-baradas.com>
4970 * config/m68k/m68k.md: Add Coldfire FPU support.
4971 Define FP mode macro and associated attributes.
4972 Use it for float mode patterns.
4973 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
4974 (LIBCALL_VALUE): Use m68k_libcall_value.
4975 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
4976 (m68k_function_value): Ditto.
4977 (emit_move_sequence): Ditto.
4978 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
4979 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
4980 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
4981 (MULTILIB_EXCEPTIONS): Ditto.
4982 * config/m68k/m68k.opt: Add mcfv4e.
4983 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
4984 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
4985 (m68k_output_function_prologue): Save ColdFire FPU registers.
4986 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
4987 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
4988 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
4989 ColdFire FPU registers.
4990 (m68k_libcall_value, m68k_function_value): New functions.
4991 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
4992 (LIBCALL_VALUE): Use m68k_libcall_value.
4993 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
4994 (MASK_COLDFIRE): Add MASK_CFV4E.
4995 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
4996 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
4997 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
4998 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
4999 (GO_IF_LEGITIMATE_ADDRESS): Use it.
5000 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
5001 * doc/invoke.tex: Document -mcfv4e on m68k.
5003 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5005 * doc/contribute.texi: Change CVS to SVN and update the corresponding
5008 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
5011 * c-opts.c (c_common_handle_option): Don't include
5012 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
5013 * doc/invoke.texi (C++ Dialect Options): Document that
5014 -Wnon-virtual-dtor is no longer included in -Wall.
5016 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
5018 * gcov.c (print_version), gcov-dump.c (print_version),
5019 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
5022 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
5024 * df-scan.c (problem_SCAN): Added NULL reset function.
5025 (df_scan_reset_blocks): Added code to call reset block function
5026 (df_bb_refs_delete) Fixed comment.
5027 (df_insn_refs_delete): Made tolerant of deleting non existent info
5028 for dataflow problems that need to be reset.
5029 * df-core.c (df_set_blocks): Ditto.
5030 * df.h (struct df_problem): Added reset_fun.
5031 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
5032 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
5033 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
5034 functions to clear out all references to def-use or use-def chains.
5036 2006-01-21 Ben Elliston <bje@au.ibm.com>
5038 * varasm.c (assemble_real): Initialise data array.
5040 2006-01-20 Paul Brook <paul@codesourcery.com>
5042 Merge from csl-arm-branch.
5043 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5044 * config/arm/arm.md (movdi): Force operands[1] to a register
5045 if we have a non-register source.
5046 (*arm_movdi, *movdf_soft_insn): Require that one of the
5047 operands be a register.
5048 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
5049 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
5051 2006-01-20 DJ Delorie <dj@redhat.com>
5053 * varasm.c (initialize_constant_valid_p): Allow pointers
5054 initialized from integer constants of lesser precision.
5055 (output_constant): Allow non-int-sized pointer modes to be
5056 initialized from integer constants.
5058 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
5061 * cppdefault.h (struct default_include): Add multilib flag.
5062 * cppdefault.c (cpp_include_defaults): Set it.
5063 * c.opt (-imultilib): New option.
5064 * c-opts.c (imultilib): New.
5065 (c_common_handle_option): Handle -imultilib.
5066 (c_common_post_options): Likewise.
5067 * c-incpath.c (add_standard_paths, register_include_chains):
5069 * c-incpath.h (register_include_chains): Add extra parameter.
5070 * gcc.c (do_spec_1): Generate -imultilib option.
5071 (The Specs Language): Update %I description.
5072 (process_command): Update copyright notice.
5073 * doc/cppopts.texi (-imultilib): Document.
5074 * doc/invoke.texi (-imultilib): Include in option summary.
5075 (%I): Update specs documentation.
5077 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5079 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
5081 2006-01-20 Richard Sandiford <richard@codesourcery.com>
5083 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
5086 2006-01-20 Richard Guenther <rguenther@suse.de>
5087 Steven Bosscher <stevenb.gcc@gmail.com>
5089 PR rtl-optimization/24626
5090 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
5091 EDGE_TRUE_VALUE if in RTL mode.
5094 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
5095 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
5097 2006-01-20 Dirk Mueller <dmueller@suse.com>
5100 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
5101 instead of a special NOP marker.
5102 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
5103 NOP marker handling.
5104 * c-common.h (empty_body_warning): Add forward declaration.
5105 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
5106 Now uses IS_EMPTY_STMT() instead of special NOP markers.
5108 2006-01-20 Paul Brook <paul@codesourcery.com>
5110 * Makefile.in (lang_checks): Keep going if mkdir fails.
5112 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5114 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
5115 be able to clean out basic block when not necessary.
5116 (df_scan_free): Fixed to properly delete information if df is
5117 unused before calling df_finish.
5118 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
5119 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
5121 (df_bb_refs_delete): New function.
5122 (df_refs_delete): Moved per block code to df_bb_refs_delete.
5123 * df-core.c (df_set_blocks): Added code to properly clean out
5124 unused blocks if they are not part of the blocks to consider.
5125 Added additional null check.
5126 (df_compact_blocks): Added basic block parameter to free_bb_fun to
5127 be able to clean out basic block when not necessary
5128 * df.h (df_free_bb_function): Ditto.
5129 (df_bb_refs_delete): New function.
5130 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
5131 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
5132 basic block parameter to be able to clean out basic block when not
5134 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
5135 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
5136 Fixed to properly delete information if df is unused before
5139 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5141 PR rtl-optimization/25799
5142 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
5143 Corrected confluence operator to remove bits from op2 before oring
5144 with op1 rather than removing bits from op1.
5145 (df_ru_transfer_function): Corrected test on wrong bitmap which
5146 caused infinite loop. Both of these problems were introduced in
5147 the dataflow rewrite.
5149 2006-01-19 DJ Delorie <dj@redhat.com>
5151 * reload1.c (find_reload_regs): Note the details of reload
5152 failures in the dump file.
5153 (spill_failure): Likewise.
5155 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5157 * loop-iv.c: Include df.h and hashtab.h.
5158 (enum iv_grd_result): New enum.
5159 (DF_REF_IV, DF_REF_IV_SET): New macros.
5160 (struct biv_entry): New.
5161 (df, bivs): New global variables.
5162 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
5163 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
5165 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
5166 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
5167 analyzed_for_bivness_p, record_biv): New functions.
5168 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
5169 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
5170 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
5172 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
5174 (iv_number_of_iterations): Use new interface to iv analysis.
5175 * loop-unroll.c: Do not include varray.h.
5176 (analyze_iv_to_split_insn): Use new interface to iv
5178 * loop-unswitch.c (may_unswitch_on): Ditto.
5179 * df.c (df_bitmaps_free): Only work for bbs for that structures are
5181 (df_bb_modify): Realloc tables to the new index.
5182 (df_find_use): New function.
5183 * df.h (df_find_use): Declare.
5184 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
5186 * cfgloop.h (struct rtx_iv): Remove analysed field.
5187 (iv_get_reaching_def): Removed.
5188 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
5189 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
5190 (loop-iv.o): Add df.h and hashtab.h dependency.
5191 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
5193 2006-01-20 Alan Modra <amodra@bigpond.net.au>
5196 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
5198 (__floatundisf, __floatundidf): Likewise.
5199 * libgcc2.h (IS_IBM_EXTENDED): Define.
5201 2006-01-19 DJ Delorie <dj@redhat.com>
5203 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
5205 2006-01-19 Paul Brook <paul@codesourcery.com>
5207 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
5208 as nothrow when unwinding tables are disabled.
5210 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5213 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
5214 of bit-field" when in system header.
5216 2006-01-19 DJ Delorie <dj@redhat.com>
5218 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
5219 the 16 bit shift limit of the m16c.
5221 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
5224 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
5225 * config/i386/i386.c (output_set_got): Output the label if we have one
5226 for the TARGET_DEEP_BRANCH_PREDICTION case.
5228 2006-01-19 Jan Hubicka <jh@suse.cz>
5229 H.J. Lu <hongjiu.lu@intel.com>
5230 Evandro Menezes <evandro.menezes@amd.com>
5232 * invoke.texi (generic): Document
5234 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
5235 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
5236 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
5237 (x86_use_incdec, x86_pad_returns): New variables
5238 (TARGET_CPU_DEFAULT_generic): New constant
5239 (TARGET_CPU_DEFAULT_NAMES): Add generic.
5240 (enum processor_type): Add generic32 and generic64.
5241 * i386.md (cpu attribute): Add generic32/generic64
5242 (movhi splitter): Behave sanely when both partial_reg_dependency and
5243 partial_reg_stall are set.
5244 (K8 splitters): Enable for generic as well.
5245 * predicates.md (incdec_operand): Use TARGET_INCDEC
5246 (aligned_operand): Avoid memory mismatch stalls.
5247 * athlon.md: Enable for generic64, new patterns for 128bit moves.
5248 * ppro.md: Enable for generic32
5249 * i386.c (generic64_cost, generic32_cost): New.
5250 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
5251 (x86_use_leave): Enable for generic64. (x86_use_sahf,
5252 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
5253 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
5254 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
5255 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5256 x86_partial_reg_dependency, x86_memory_mismatch_stall,
5257 x86_accumulate_outgoing_args, x86_prologue_using_move,
5258 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
5259 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
5261 (x86_use_incdec, x86_pad_returns): New.
5262 (override_options): Add generic32 and generic64, translate "generic"
5263 to generic32/generic64 and "i686" to "generic32", refuse
5264 "generic32"/"generic64" as arch target.
5265 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
5266 (ix86_reorg): Honor PAD_RETURNS.
5268 2006-01-19 Diego Novillo <dnovillo@redhat.com>
5270 * tree-pretty-print.c (dump_generic_node): Handle
5271 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
5272 * cgraph.c (cgraph_expand_queue): Rename from
5273 cgraph_analyze_queue. Update all users.
5274 * cgraphunit.c (cgraph_assemble_pending_functions): Process
5275 cgraph_expand_queue.
5276 (cgraph_expand_all_functions): Likewise.
5277 (cgraph_finalize_pending_functions): Remove. Update callers.
5279 * tree.h (OMP_DIRECTIVE_P): Define.
5280 (OMP_PARALLEL_FN): Define.
5281 (OMP_PARALLEL_DATA_ARG): Define.
5282 (OMP_SECTIONS_SECTIONS): Define.
5283 * tree-pass.h (pass_expand_omp): Declare.
5284 * omp-low.c (struct omp_region): Declare.
5285 (struct omp_context): Remove fields 'parallel_type',
5286 'parallel_start_ix' and 'parallel_start_additional_args'.
5288 (struct omp_for_data): Rename from struct expand_omp_for_data.
5289 (omp_regions): New static variable.
5290 (root_omp_region): New static variable.
5291 (find_omp_clause): Make static.
5292 (is_in_combined_parallel_ctx): Remove.
5293 (is_combined_parallel): New.
5294 (extract_omp_for_data): Move earlier in the file.
5295 (workshare_safe_to_combine_p): New.
5296 (get_ws_args_for): New.
5297 (determine_parallel_type): Move earlier in the file.
5298 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
5300 (omp_copy_decl): Likewise.
5301 (create_omp_child_function): Likewise.
5302 (lookup_omp_region): New.
5303 (dump_omp_region): New.
5304 (debug_omp_region): New.
5305 (debug_all_omp_regions): New.
5306 (new_omp_region): New.
5307 (scan_omp_parallel): If parallel_nesting_level > 1, the
5308 directive is nested within another parallel directive.
5309 Set OMP_PARALLEL_FN.
5310 (scan_omp_for): Do not try to handle combined parallel+for
5312 Remove FIXME comment.
5313 (scan_omp_nested): Remove.
5314 (scan_omp_1): Do not call scan_omp_nested when
5315 parallel_nesting_level is > 1.
5316 Do not change the DECL_CONTEXT of local variables found.
5317 (lookup_decl_in_outer_ctx): New.
5318 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
5319 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
5320 (lower_reduction_clauses): Rename from expand_reduction_clauses.
5321 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
5322 If CTX is nested, lookup VAR in the outer context when
5323 building copy assignment.
5324 (lower_send_clauses): Rename from expand_send_clauses.
5325 If CTX is nested, lookup VAR in the outer context when
5326 building copy assignments.
5327 (lower_send_shared_vars): Rename from expand_send_shared_vars.
5328 If CTX is nested, lookup VAR in the outer context when
5329 building copy assignments.
5330 (expand_parallel_call): Rename from build_parallel_call.
5331 Handle combined parallel+workshare cases.
5332 Re-implement to emit code into the CFG.
5334 (expand_omp_parallel): Re-implement to emit code into the CFG.
5335 Call move_sese_region_to_fn to outline the sub-graph
5336 containing the parallel region.
5337 (expand_omp_for_1): Remove.
5338 (expand_omp_for_generic): Re-implement to emit code into the
5340 (expand_omp_for_static_nochunk): Likewise.
5341 (expand_omp_for_static_chunk): Likewise.
5342 (expand_omp_for): Likewise.
5343 (expand_omp_sections): Likewise.
5344 (remove_exit_barriers): New.
5345 (expand_omp_synch): New.
5347 (build_omp_regions_1): New.
5348 (build_omp_regions): New.
5349 (execute_expand_omp): New.
5350 (gate_expand_omp): New.
5351 (pass_expand_omp): Define.
5352 (lower_omp_sections): Rename from expand_omp_sections.
5353 Set OMP_SECTIONS_SECTIONS.
5354 (lower_omp_single_simple): Rename from expand_omp_single_simple.
5355 (lower_omp_single_copy): Rename from expand_omp_single_copy.
5356 (lower_omp_single): Rename from expand_omp_simple.
5357 (lower_omp_master): Rename from expand_omp_master.
5358 (lower_omp_ordered): Rename from expand_omp_ordered.
5359 (lower_omp_critical): Rename from expand_omp_critical.
5360 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
5361 (lower_omp_for): Re-implement.
5362 (lower_omp_parallel): Re-implement.
5363 (lower_regimplify): Rename from expand_regimplify.
5364 (lower_omp_1): Rename from expand_omp_1.
5365 If there are syntax errors in the program, replace every
5366 OpenMP directive with NOP.
5367 Call lower_omp_* instead of expand_omp_*.
5368 (lower_omp): Rename from expand_omp.
5370 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
5371 * tree-gimple.h (enum omp_parallel_type): Remove.
5372 (gimple_boolify): Declare extern.
5373 (find_omp_clause, determine_parallel_type): Remove.
5375 * gimple-low.c (lower_omp_directive): New.
5376 (lower_stmt): Call it.
5377 (record_vars_into): Move from ...
5378 (record_vars): ... here.
5379 Call record_vars_into with current_function_decl.
5381 * gimplify.c (struct gimplify_ctx): Remove fields
5382 combined_pre_p and combined_ctxp. Update users.
5383 (get_formal_tmp_var): Add documentation.
5384 (gimple_boolify): Make extern.
5385 (gimplify_expr_in_ctx): Remove. Update callers.
5386 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
5387 will always be a BIND_EXPR.
5388 (gimplify_expr): Handle OMP_RETURN_EXPR.
5389 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
5390 (OMP_PARALLEL): Add 3 operands.
5391 (OMP_SECTIONS): Add 1 operand.
5392 (OMP_RETURN_EXPR): Define.
5394 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
5395 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
5396 * tree-iterator.c (alloc_stmt_list): Assert that we are not
5397 creating a circular free list.
5398 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
5400 * tree-flow.h (move_sese_region_to_fn): Declare.
5401 (record_vars_into): Declare.
5402 * tree-cfg.c (make_omp_sections_edges): New.
5403 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
5404 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
5405 OMP_SECTIONS and OMP_SECTION.
5406 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
5407 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
5408 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
5409 (gather_blocks_in_sese_region): New.
5410 (struct move_stmt_d): Declare.
5412 (move_block_to_fn): New.
5413 (move_sese_region_to_fn): New.
5415 * passes.c (init_optimization_passes): Schedule
5416 pass_expand_omp after pass_init_datastructures.
5418 * tree-ssa-operands.c (get_expr_operands): Handle
5419 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
5420 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
5422 2006-01-19 Jeff Law <law@redhat.com>
5424 * tree-vrp.c (extract_range_from_assert): Refine the result range
5425 if the variable referenced by the ASSERT_EXPR has a range and
5426 either the tentative result range or the previous range is a
5429 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5431 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
5433 2006-01-19 Jan Hubicka <jh@suse.cz>
5435 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
5437 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
5439 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
5440 (expand_compound_operation, expand_field_assignment): Fail if the
5441 bit lengths of an extract operation are out of range.
5442 (make_extraction): Compute wanted_inner_mode based on the position
5443 and length of the extraction. Make it extraction_mode for non-constant
5444 positions, and do not modify offset in that case. When generating a
5445 new MEM, use a mode that can hold the extraction while keeping correct
5446 alignment. Remove code that supported MEMs wrapped by USEs.
5447 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
5449 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
5451 * config/s390/s390.md ("Y", "y"): New mode attribute.
5452 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5453 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
5454 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
5455 "*addsi3_imm_cc", "*addsi3_carry1_cc",
5456 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
5457 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
5458 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
5459 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
5460 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
5461 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
5462 "addsi3", "subsi3"): Insn patterns removed.
5463 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
5464 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
5465 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
5466 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
5467 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
5468 "*sub<mode>3_cconly2"): New insn patterns.
5469 ("addsi3", "subsi3"): New expanders.
5471 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
5473 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
5474 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
5475 existing STMT_VINFO_VECTYPE if available.
5476 (vect_mark_relevant): Add special handling for stmts that are
5477 marked as STMT_VINFO_IN_PATTERN_P.
5478 (vect_analyze_loop): Call vect_pattern_recog.
5479 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
5480 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
5482 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
5483 (vect_recog_func_ptr): New function-pointer type.
5484 * tree-vect-patterns.c: New file.
5485 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
5486 (vect_recog_dot_prod_pattern, vect_pattern_recog):
5487 (vect_pattern_recog_1): New functions.
5488 (vect_pattern_recog_funcs): New array of function pointers.
5490 * tree-vectorizer.h (ternary_op): New enum value.
5491 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
5492 declaration. Revised documentation. Removed redundant dump prints.
5493 Removed redundant argument. Added support for reduction patterns.
5494 (vectorizable_reduction): Added support for reduction patterns.
5495 (vect_transform_stmt): Added support for patterns.
5497 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
5498 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
5499 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
5500 (expand_widen_pattern_expr): New function.
5501 (init_optabs): Initialize new optabs udot_prod_optab,
5503 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
5504 (sdot_prod_optab, udot_prod_optab): Define new optabs.
5505 (expand_widen_pattern_expr): New function declaration.
5506 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
5508 * tree-inline.c (estimate_num_insns_1): Added cases for new
5509 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5510 * tree-pretty-print.c (dump_generic_node): Likewise.
5511 (op_prio): Likewise.
5512 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5513 * tree-ssa-operands.c (get_expr_operands): Added case for
5515 * tree-vect-patterns.c (widened_name_p): New function.
5516 (vect_recog_dot_prod_pattern): Added function implementation.
5517 * tree-vect-transform.c (get_initial_def_for_reduction): Added
5518 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
5519 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
5520 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
5522 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
5523 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
5524 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
5525 (init_optabs): Initialize new optabs widen_ssum_optab,
5527 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
5528 (widen_ssum_optab, widen_usum_optab): Define new optabs.
5529 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
5530 use instead of type of def.
5531 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
5532 function implementation.
5533 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
5534 widen_ssumv8hi): New.
5536 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
5539 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5542 * c-decl.c (add_flexible_array_elts_to_size): New function.
5543 (finish_decl): Use it.
5545 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
5547 * diagnostic.h: Include options.h.
5548 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
5549 dependancies for diagnostic.h.
5550 * Makefile.in (DIAGNOSTIC_H): Add options.h.
5552 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
5554 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
5555 (ssa_ro_call_cache_valid): Ditto.
5556 * tree-ssa-alias.c (sort_tags_by_id): New function.
5557 (init_transitive_clobber_worklist): Ditto.
5558 (add_to_worklist): Ditto.
5559 (mark_aliases_call_clobbered): Ditto.
5560 (compute_tag_properties): Ditto.
5561 (set_initial_properties): Ditto.
5562 (compute_call_clobbered): Ditto.
5563 (compute_may_aliases): Call compute_call_clobbered and grouping.
5564 (compute_flow_sensitive_aliasing): Remove clobbering related code.
5565 (compute_flow_insensitive_aliasing): Grouping now happens in our
5567 (setup_pointers_and_addressables): Remove clobbering related code.
5568 (add_may_alias): Ditto.
5569 (replace_may_alias): Ditto.
5570 (get_nmt_for): Ditto.
5571 (create_global_var):
5572 (is_escape_site): Return an escape_type enumeration.
5573 * tree-flow-inline.h (is_call_clobbered): Global var does not
5574 imply call clobbered.
5575 (mark_call_clobbered): Take a reason for marking this. Remove
5576 marking of globalness, and cache invalidation.
5577 (clear_call_clobbered): Remove cache invalidation code.
5578 * tree-dfa.c (dump_variable): If details is on, dump the reason
5580 * tree-outof-ssa.c (create_temp): Copy escape mask from original
5582 * tree-flow.h (struct ptr_info_def): Add escape mask member.
5583 (struct var_ann_d): Ditto.
5584 (enum escape_type): New.
5585 (mark_call_clobbered): Adjust prototype.
5586 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
5587 are never call clobbered.
5588 Record reasons for escaping.
5589 * tree-ssa-structalias.h (is_escape_site): Update prototype.
5590 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
5591 (ssa_ro_call_cache_valid): Ditto.
5592 (clobbered_v_may_defs): Ditto.
5593 (clobbered_vuses): Ditto.
5594 (ro_call_vuses): Ditto.
5595 (clobber_stats): New.
5596 (init_ssa_operands): Zero out clobber stats.
5597 (fini_ssa_operands): Print out clobber stats.
5598 (get_call_expr_operands): Pass callee fndecl to
5600 (add_call_clobber_ops): Remove use of cache.
5601 Add use of PURE_CONST information.
5602 (add_call_read_ops): Remove use of cache.
5603 Add use of static not_read information.
5605 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
5607 Introduce TLS descriptors for i386 and x86_64.
5608 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
5609 (TARGET_ANY_GNU_TLS): New macro.
5610 (enum tls_dialect): Added TLS_DIALECT_GNU2.
5611 (struct machine_function): Add tls_descriptor_call_expanded_p.
5612 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
5613 (ix86_current_function_calls_tls_descriptor): Likewise.
5614 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
5615 (override_options): Introduce gnu2 tls dialect.
5616 (ix86_frame_pointer_required): Functions containing TLSCALLs are
5618 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
5620 (legitimize_tls_address): Adjust logic for GNU2 TLS.
5621 (ix86_init_machine_status): Initialize new field.
5622 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
5623 (ix86_tls_module_base): New.
5624 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
5625 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
5626 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
5627 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
5628 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
5629 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
5630 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
5631 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
5632 * config/i386/predicates.md (tls_modbase_operand): New.
5633 (tp_or_register_operand): New.
5635 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
5637 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
5638 (look_for_address_of): Ditto.
5639 (ipa_init): Walk the function decls.
5640 (static_execute): Don't set readonly on FUNCTION_DECL's.
5642 2006-01-18 Roger Sayle <roger@eyesopen.com>
5644 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
5645 for shifts where the source and destination registers are different.
5647 2006-01-18 Paul Brook <paul@codesourcery.com>
5649 Merge from csl-arm-branch.
5650 2005-03-14 Julian Brown <julian@codesourcery.com>
5651 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
5652 (aeabi_llsl): Likewise.
5653 (ashrdi3): Likewise.
5654 (aeabi_lasr): Likewise.
5655 (lshrdi3): Likewise.
5656 (aeabi_llsr): Likewise.
5657 2005-03-10 Julian Brown <julian@codesourcery.com>
5658 * config.gcc: Disable shared libgcc for SymbianOS.
5659 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
5661 2006-01-18 DJ Delorie <dj@redhat.com>
5663 * c-pragma.c (handle_pragma_diagnostic): New.
5664 (init_pragma): Register it.
5665 * doc/extend.texi: Document it.
5667 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
5668 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5669 (diagnostic_context): Add classify_diagnostic[].
5670 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5671 as errors if they're overridden to DK_WARNING.
5672 (diagnostic_initialize): Initialize classify_diagnostic[].
5673 (diagnostic_set_kind_override): New.
5674 (diagnostic_report_diagnostic): Check for kind changes.
5675 * opts.c (common_handle_option): Take lang_mask. Update callers.
5677 * common.opt (Werror=): New.
5678 * doc/invoke.texi: Document -Werror=*
5680 2006-01-18 Jeff Law <law@redhat.com>
5682 * tree-vrp.c (test_for_singularity): Correct test for new
5683 min limit. Use operand_equal_p rather than pointer equality
5684 for testing if new min/max values are equal.
5686 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5687 using range information until after propagation and folding.
5689 2006-01-18 Richard Henderson <rth@redhat.com>
5690 Aldy Hernandez <aldyh@redhat.com>
5691 Jakub Jelinek <jakub@redhat.com>
5692 Diego Novillo <dnovillo@redhat.com>
5694 * omp-low.c: New file.
5695 * c-omp.c: New file.
5697 2006-01-18 Richard Henderson <rth@redhat.com>
5698 Jakub Jelinek <jakub@redhat.com>
5699 Diego Novillo <dnovillo@redhat.com>
5701 * doc/invoke.texi: Document -fopenmp.
5702 * tree-dump.h (debug_function): Declare.
5703 * hooks.c (hook_bool_tree_bool_false): New function.
5704 (hook_tree_tree_null): Remove.
5705 (hook_tree_tree_tree_null): New.
5706 * hooks.h: Update to match.
5707 * tree-pretty-print.c (debug_tree_chain): New.
5708 (print_generic_expr): Handle TDF_CHAIN.
5709 (dump_generic_node): Handle BLOCK.
5710 Do not abort with incomplete SWITCH_EXPRs.
5711 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5712 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5713 print space after directive name.
5714 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5715 Handle OMP_MASTER and OMP_ORDERED.
5716 Handle printing of OMP_BODY just in one place, goto
5717 dump_omp_body in the rest of OMP_* nodes that have
5719 Don't handle clause nodes here. Update omp statements to
5720 use dump_omp_clauses.
5721 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5722 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5723 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5724 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5725 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5726 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5727 Adjust output for GOMP_PARALLEL.
5728 (dump_omp_clauses): New.
5729 (print_declaration): Dump DECL_VALUE_EXPR.
5730 (op_symbol_1): Split out of op_symbol.
5731 (dumping_stmts): Remove. Update all users.
5732 * cgraph.c (cgraph_analyze_queue): New.
5733 (cgraph_add_new_function): New.
5734 * cgraph.h (cgraph_analyze_queue): Declare.
5735 (cgraph_add_new_function): Declare.
5736 (cgraph_lower_function): Remove.
5737 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5738 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5739 and TYPE_P nodes in its default clause.
5740 (empty_body_p): New.
5741 (tree_range_check_failed): New.
5743 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5744 OMP_CLAUSE_REDUCTION_MERGE,
5745 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5746 OMP_CLAUSE_PRIVATE_DEBUG,
5747 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5748 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5749 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5750 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5751 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5752 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5753 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5754 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
5755 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
5756 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
5757 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
5758 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
5759 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
5760 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
5761 (TREE_RANGE_CHECK): New.
5762 (empty_body_p): Declare.
5763 (enum omp_clause_default_kind): New.
5764 (build_string_literal): Declare.
5765 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
5766 (build5_stat, build5): Declare.
5767 * tree-pass.h (TDF_CHAIN): Define.
5768 * tree-pass.h (PROP_gimple_lomp): Define.
5769 (pass_lower_omp): Declare.
5770 * diagnostic.h (debug_tree_chain): Declare.
5771 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
5773 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
5774 * builtins.c (build_string_literal): Make extern.
5775 * gcc.c (include_spec_function): New.
5776 (static_spec_functions): Add it.
5777 (main): Move load of libgomp.spec ...
5778 (LINK_COMMAND_SPEC): ... here.
5779 (link_gomp_spec): New.
5780 (static_specs): Include it.
5781 (LINK_COMMAND_SPEC): Add link_gomp.
5782 (GOMP_SELF_SPECS): New.
5783 (driver_self_specs): Include it.
5784 (switch_matches): Don't mark inline.
5785 (main): Load libgomp.spec.
5786 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
5787 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
5788 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
5789 * tree-gimple.h (enum omp_parallel): Declare.
5790 (determine_parallel_type): Declare.
5791 (omp_firstprivatize_variable): Declare.
5792 (omp_reduction_init): Declare.
5793 (diagnose_omp_structured_block_errors): Declare.
5794 (struct walk_stmt_info): Add want_return_expr.
5795 (struct walk_stmt_info): Add want_bind_expr, want_locations.
5796 (find_omp_clause): Declare.
5797 (insert_field_into_struct): Declare.
5798 (struct walk_stmt_info): Move from tree-nested.c
5799 (walk_stmts): Declare.
5800 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
5802 * cgraphunit.c (cgraph_lower_function): Make static.
5803 (cgraph_finalize_pending_functions): New.
5804 (cgraph_finalize_function): Call it.
5805 (cgraph_finalize_compilation_unit): Likewise.
5806 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
5807 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
5808 (BT_FN_UINT_UINT): New.
5809 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
5810 DEF_FUNCTION_TYPE_VAR_4): Document.
5811 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
5812 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
5813 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
5814 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
5815 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
5816 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
5817 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
5818 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
5819 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
5820 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
5821 into separate files.
5822 (DEF_GOMP_BUILTIN): New.
5823 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
5824 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
5825 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
5826 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
5827 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
5828 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
5829 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
5830 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
5831 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
5832 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
5833 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
5834 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
5835 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
5836 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
5837 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
5838 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
5839 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
5840 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
5841 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
5842 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
5843 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
5844 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
5845 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
5846 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
5847 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
5848 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
5849 * sync-builtins.def: New file, moved from builtins.def.
5850 * omp-builtins.def: New file, moved from builtins.def.
5851 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
5852 * gimple-low.c (lower_function_body): Clear data.
5853 (lower_stmt): Do not handle COMPOUND_EXPR.
5854 Remove call to print_node_brief.
5855 * c-tree.h (c_finish_omp_clauses): New prototype.
5856 (C_DECL_THREADPRIVATE_P): Define.
5857 (lookup_name_no_remap, c_omp_remap_private): Remove
5858 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
5859 (check_for_loop_decls): Update decl.
5860 (lookup_name_no_remap, c_omp_remap_private): Declare.
5861 (build_indirect_ref, build_modify_expr, pushdecl,
5862 pushdecl_top_level): Move to c-common.h.
5863 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
5864 before the switch, but just in the 2 places that need it.
5865 * c-decl.c (diagnose_mismatched_decls): Do not check for
5866 mismatched thread-local attributes when OLDDECL is marked
5867 threadprivate and NEWDECL has no thread-local attributes.
5868 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
5869 (c_gimple_diagnostics_recursively): Rename from
5870 c_warn_unused_result_recursively. Invoke
5871 diagnose_omp_structured_block_errors.
5872 (check_for_loop_decls): Return a singular decl found.
5873 * langhooks.c (lhd_omp_predetermined_sharing): Return
5874 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
5875 (lhd_omp_firstprivatize_type_sizes): New.
5876 (lhd_omp_assignment): New.
5877 (lhd_omp_predetermined_sharing): New.
5878 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
5879 (struct lang_hooks_for_types): Add
5880 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
5881 omp_predetermined_sharing, omp_disregard_value_expr,
5882 omp_private_debug_clause, omp_clause_default_ctor,
5883 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
5884 (c_finish_omp_clauses): New.
5885 (c_finish_bc_stmt): Diagnose break within omp for.
5886 (c_begin_omp_parallel, c_finish_omp_parallel): New.
5887 (build_unary_op): Return error_mark after reporting
5889 (build_modify_expr): Likewise.
5890 * gimplify.c: Include optabs.h and pointer-set.h.
5891 (enum gimplify_omp_var_data): Declare.
5892 (struct gimplify_omp_ctx): Declare.
5893 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
5895 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
5896 (push_gimplify_context, pop_gimplify_context): Allow nesting.
5897 (splay_tree_compare_decl_uid): New.
5898 (new_omp_context): New.
5899 (delete_omp_context): New.
5900 (gimple_add_tmp_var): Call omp_add_variable.
5901 (gimplify_bind_expr): Likewise.
5902 (gimplify_var_or_parm_decl): If omp_notice_variable returned
5903 true, disregard DECL_VALUE_EXPR on the decl if any.
5904 (gimplify_expr_in_ctx): New.
5905 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
5906 omp_add_variable, omp_notice_variable, omp_is_private
5907 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
5908 gimplify_adjust_omp_clauses, gimplify_omp_parallel
5909 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
5910 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
5911 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
5912 gimplify_omp_atomic): New.
5913 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5914 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5915 OMP_CRITICAL and OMP_ATOMIC.
5916 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
5917 * c-pragma.h (enum pragma_kind): Add
5918 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
5919 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
5920 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
5921 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
5922 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
5923 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
5924 PRAGMA_OMP_THREADPRIVATE.
5925 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
5926 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
5927 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
5928 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
5929 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
5930 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
5931 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
5932 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
5933 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
5934 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
5935 * tree-ssa-dce.c (find_control_dependence): Do not assume that
5936 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
5937 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
5939 (struct nesting_info): Add field_map,
5940 suppress_expansion, debug_var_chain.
5941 (create_nesting_tree): Initialize them.
5942 (lookup_field_for_decl): Use field_map.
5943 (get_nonlocal_debug_decl, get_local_debug_decl): New.
5944 (convert_local_omp_clauses): New.
5945 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
5946 (walk_body): Split out of walk_function.
5947 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
5948 (convert_nonlocal_reference): Handle omp statements.
5949 (convert_local_reference): Likewise.
5950 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
5951 (unnest_nesting_tree): New.
5952 (lower_nested_functions): Call it.
5953 (insert_field_into_struct): Make extern.
5954 (struct walk_stmt_info): Move to tree-gimple.h.
5955 (walk_stmts): Make extern.
5956 * omp-builtins.def: New file.
5957 * tree-iterator.c (expr_only): Clarify comment.
5958 * c-common.h (pushdecl_top_level, pushdecl,
5959 build_modify_expr, build_indirect_ref,
5960 c_finish_omp_master, c_finish_omp_critical,
5961 c_finish_omp_ordered, c_finish_omp_barrier,
5962 c_finish_omp_atomic, c_finish_omp_flush,
5963 c_finish_omp_for, c_split_parallel_clauses,
5964 omp_clause_default_kind, c_omp_sharing_predetermined,
5965 c_omp_remap_decl): Declare.
5966 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
5967 (OBJS-common): Add omp-low.o.
5968 (c-omp.o, omp-low.o): Add.
5969 (gimplify.o): Add dependency on $(OPTABS_H).
5970 (GTFILES): Add omp-low.c.
5971 (gt-stringpool.h): Add.
5972 * tree-cfg.c (set_bb_for_stmt): Do not update the
5973 block-to-labels map if we are currently expanding to RTL.
5974 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
5976 Handle IDENTIFIER_NODE.
5977 (tree_verify_flow_info): Do not ICE when emitting error
5978 messages about invalid labels.
5979 (dump_function_to_file): Reset CFUN before emitting the body
5981 (debug_function): New.
5982 * passes.c (init_optimization_passes): Schedule
5984 * langhooks-def.h (lhd_omp_predetermined_sharing,
5985 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
5987 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
5988 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
5989 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
5990 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
5991 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
5992 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
5993 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
5994 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
5995 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
5996 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
5997 (LANG_HOOK_DECLS): Use them.
5999 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
6000 Richard Henderson <rth@redhat.com>
6001 Jakub Jelinek <jakub@redhat.com>
6002 Diego Novillo <dnovillo@redhat.com>
6004 * c-parser.c (pragma_omp_clause): Define.
6005 (c_parser_declaration_or_fndef): Document OpenMP syntax.
6006 (c_parser_compound_statement): Likewise.
6007 (c_parser_statement): Likewise.
6008 (c_parser_pragma): Handle omp pragmas.
6009 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
6010 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
6011 (c_parser_omp_clause_name, check_no_duplicate_clause,
6012 c_parser_omp_variable_list,
6013 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
6014 c_parser_omp_clause_copyprivate,
6015 c_parser_omp_clause_default,
6016 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
6017 c_parser_omp_clause_lastprivate,
6018 c_parser_omp_clause_nowait,
6019 c_parser_omp_clause_num_threads,
6020 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
6021 c_parser_omp_clause_reduction,
6022 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
6023 c_parser_omp_all_clauses, c_parser_omp_structured_block,
6024 c_parser_omp_atomic, c_parser_omp_barrier,
6025 c_parser_omp_critical, c_parser_omp_flush,
6026 c_parser_omp_for_loop, c_parser_omp_for,
6027 c_parser_omp_master, c_parser_omp_ordered,
6028 c_parser_omp_sections_scope, c_parser_omp_sections,
6029 c_parser_omp_parallel, c_parser_omp_single,
6030 c_parser_omp_construct, c_parser_omp_threadprivate): New.
6031 * c-pragma.c (init_pragma): Do omp pragma registration here.
6032 * c.opt (fopenmp): New flag.
6034 2006-01-18 Eric Christopher <echristo@apple.com>
6036 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
6037 * config/darwin.h (GOMP_SELF_SPECS): Define.
6039 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6041 * rtl.h: Remove the prototype for reg_alloc.
6043 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6046 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
6047 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
6048 sjlj and dwarf2 exception handling.
6049 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
6050 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
6051 * pa/pa.c (function_value): Treat complex and vector types as
6053 (function_arg): Likewise. Only pass scalar floats in the floating
6054 point argument registers.
6055 * pa/t-slibgcc-dwarf-ver: New file.
6056 * pa/t-slibgcc-sjlj-ver: New file.
6057 * pa/t-slibgcc-elf-ver: Delete file.
6059 2006-01-19 Alan Modra <amodra@bigpond.net.au>
6061 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
6062 unlikely_test_section_p test.
6064 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6066 * mode-switching.c (optimize_mode_switching): Make it static.
6067 * basic-block.h: Remove the prototype for
6068 optimize_mode_switching.
6070 * modulo-sched.c (sms_schedule): Make it static.
6071 * rtl.h: Remove the prototype for sms_schedule.
6073 * postreload-gcse.c (gcse_after_reload_main): Make it static.
6074 * rtl.h: Remove the prototype for gcse_after_reload_main.
6076 * reg-stack.c (reg_to_stack): Make it static.
6077 * rtl.h: Remove the prototype for reg_to_stack.
6079 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
6081 * rtl.h: Remove the prototypes for regrename_optimize and
6082 copyprop_hardreg_forward.
6084 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
6086 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
6087 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
6088 Test against the appropriate null constant for the mode.
6089 If 'fixup_overlap' is true, swap the operands if they overlap.
6090 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
6091 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
6092 alpha_split_tmode_pair and adjust for above change.
6093 * config/alpha/alpha.md (movtf_internal): Adjust call to
6094 alpha_split_tfmode_pair and rely on it to swap the operands.
6095 (movti_internal): New insn and post-reload splitter.
6096 (movti): New expander.
6098 2006-01-18 Philippe De Muyter <phdm@macqel.be>
6100 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
6103 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6105 * rtlanal.c (global_reg_mentioned_p_1,
6106 global_reg_mentioned_p): Remove.
6107 * rtl.h: Remove the prototype for global_reg_mentioned_p.
6109 * flow.c (initialize_uninitialized_subregs): Make it static.
6110 * rtl.h: Remove the prototype for
6111 initialize_uninitialized_subregs.
6113 * function.c (instantiate_virtual_regs): Make it static.
6114 * function.h: Remove the prototype for
6115 instantiate_virtual_regs.
6117 * regmove.c (regmove_optimize, combine_stack_adjustments):
6119 * rtl.h: Remove the prototypes for regmove_optimize and
6120 combine_stack_adjustments.
6122 2006-01-17 Roger Sayle <roger@eyesopen.com>
6124 * config/i386/i386.c (COSTS_N_BYTES): New macro.
6125 (size_cost): Encode costs in bytes so that a reg-reg addition is
6126 equivalent to COSTS_N_INSNS(1).
6127 (override_options): Use the size_cost.branch_cost as the default
6128 ix86_branch_cost when optimizing for size.
6130 2006-01-18 Ben Elliston <bje@au.ibm.com>
6132 * Makefile.in (D32PBIT_FUNCS): New.
6133 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
6134 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
6135 D64PBIT_FUNCS and D128PBIT_FUNCS.
6136 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
6137 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
6139 (decnumber_dep): Define.
6140 * doc/libgcc.texi (Decimal float library routines): New node.
6141 * config/dfp-bit.h, config/dfp-bit.c: New files.
6143 2006-01-18 Ben Elliston <bje@au.ibm.com>
6145 * expr.c (emit_move_change_mode): Always adjust addresses, not
6146 just during reload. Copy replacements only during reload.
6147 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
6148 emit_move_via_integer.
6150 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
6152 * Makefile.in (check-%, check-consistency): Use $${srcdir}
6153 instead of $(srcdir) and ${srcdir}.
6155 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
6159 * arm.h (struct machine_function): Add pic_reg.
6160 * arm.c (arm_pic_register): Make unsigned.
6161 (arm_override_options): Only set arm_pic_register if
6162 TARGET_SINGLE_PIC_BASE.
6163 (use_return_insn): Only test for a pic register if it is fixed.
6164 (arm_compute_save_reg0_reg12_mask): Likewise.
6165 (thumb_compute_save_reg_mask): Likewise.
6166 (legitimate_pic_operand): Factor out some known invariants.
6167 (legitimize_pic_address): If we don't have a fixed pic register,
6168 then set up a pseudo in the function entry sequence. Handle the
6169 pic base being in a pseudo.
6170 (arm_load_pic_register): Handle the pic register being in a pseudo.
6171 (arm_expand_prologue): Only set up the pic register if it is fixed.
6172 (thumb_expand_prologue): Likewise.
6173 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
6174 (pic_load_addr_based_insn): Likewise.
6175 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
6178 2006-01-18 Ben Elliston <bje@au.ibm.com>
6180 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
6181 decimal float modes for all floating point registers.
6183 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
6184 match_code "mem" with match_test "macho_lo_sum_memory_operand".
6186 2006-01-17 Jakub Jelinek <jakub@redhat.com>
6189 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
6190 even when the pointer is not NULL.
6192 2006-01-16 Ian Lance Taylor <ian@airs.com>
6194 * common.opt (ftoplevel-reorder): New option.
6195 * cgraph.c (cgraph_asm_nodes): New global variable.
6196 (cgraph_asm_last_node): New static variable.
6197 (cgraph_order): New global variable.
6198 (cgraph_create_node): Set new order field.
6199 (cgraph_varpool_node): Likewise.
6200 (decide_is_variable_needed): Return true if not
6201 flag_toplevel_reorder.
6202 (cgraph_add_asm_node): New function.
6203 * cgraph.h (struct cgraph_node): Add order field.
6204 (struct cgraph_varpool_node): Add order field.
6205 (struct cgraph_asm_node): Define.
6206 (cgraph_asm_nodes, cgraph_order): Declare.
6207 (cgraph_add_asm_node): Declare.
6208 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
6210 (cgraph_varpool_assemble_pending_decls): Call it.
6211 (cgraph_output_pending_asms): New static function.
6212 (cgraph_finalize_compilation_unit): Call it.
6213 (struct cgraph_order_sort): Define.
6214 (cgraph_output_in_order): New static function.
6215 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
6216 !flag_toplevel_reorder case.
6217 * c-parser.c: Include "cgraph.h".
6218 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
6220 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
6221 than -fno-unit-at-a-time.
6222 * doc/invoke.texi (Option Summary): Mention
6223 -fno-toplevel-reorder.
6224 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
6225 -funit-at-a-time documentation.
6227 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
6228 Kazu Hirata <kazu@codesourcery.com>
6230 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
6232 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
6234 * Makefile.in (FUNCTION_H): New. Use it instead of
6235 function.h throughout the file.
6236 * function.h: Include tree.h.
6238 2006-01-17 Ben Elliston <bje@au.ibm.com>
6240 * recog.c: Separate some functions with whitespace.
6242 2006-01-16 Richard Henderson <rth@redhat.com>
6244 Merge from gomp branch:
6245 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
6246 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
6247 and rename from struct inline_data. Rename callee* to dst*;
6248 caller* to src*; add copy_decl hook, transform_call_graph_edges,
6249 transform_new_cfg, transform_return_to_modify, and
6250 transform_lang_insert_block flags; remove cloning_p, versioning_p,
6252 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
6253 (copy_decl_for_dup): Remove.
6254 * tree-inline.c (struct inline_data): Move to header.
6255 (insert_decl_map): Export.
6256 (remap_decl): Update for member name changes. Use copy_decl hook.
6257 Allow for replacement to be a non-decl. Remove dead code.
6258 (remap_type_1): Check for existing mapping.
6259 (remap_type): Export.
6260 (remap_decls): Update for member name changes.
6261 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
6262 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
6263 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
6264 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
6265 (tree_function_versioning, build_duplicate_type): Likewise.
6266 (copy_body_r): Likewise. Export.
6267 (copy_decl_for_dup): Split into ...
6268 (copy_decl_for_dup_finish, copy_decl_to_var,
6269 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
6270 (replace_ref_tree, inlining_p): Remove.
6272 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6274 * ifcvt.c (if_convert): Make it static.
6275 * rtl.h: Remove the prototype for if_convert.
6277 * local-alloc.c (local_alloc): Make it static.
6278 * rtl.h: Remove the prototype for local_alloc.
6280 * loop.c (loop_optimize): Make it static.
6281 * cfgloop.h: Remove the prototype for loop_optimize.
6284 2006-01-16 DJ Delorie <dj@redhat.com>
6286 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
6289 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6291 * pa.md: Disparage copies between general and floating-point registers
6292 in 32-bit move patterns.
6294 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
6297 * Makefile.in (check-%): Depend on site.exp instead of
6298 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
6301 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6303 * global.c (global_alloc): Make it static.
6304 * rtl.h: Remove the prototype for global_alloc.
6306 2006-01-16 Richard Guenther <rguenther@suse.de>
6308 * tree-ssa-alias.c (struct used_part): Add write_only field.
6309 (get_or_create_used_part_for): Initialize it to true.
6310 (create_overlap_variables_for): Don't create structure variables
6311 for structures that only are written to.
6312 (find_used_portions): Handle MODIFY_EXPR to track whether a
6313 structure is only written to.
6315 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6317 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
6319 * basic-block.h: Remove the prototype for
6320 partition_hot_cold_basic_blocks.
6322 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
6324 * cppspec.c (lang_specific_spec_functions): Remove.
6325 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
6326 * gcc.h (lang_specific_spec_functions): Remove.
6327 * gccspec.c (lang_specific_spec_functions): Remove.
6329 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
6331 * combine.c (record_value_for_reg): Invalidate registers
6333 (record_dead_and_set_regs_1): Likewise, by passing them to
6334 record_value_for_reg.
6335 (record_dead_and_set_regs): Invalidate stores made by a
6336 call. We do not combine across a call, but we still
6337 relied on equivalences.
6339 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6341 * tree-vrp.c (extract_range_from_binary_expr): Cope with
6342 vrp_int_const_binop returning non-constant nodes.
6344 2006-01-16 Paul Brook <paul@codesourcery.com>
6346 * config/m68k/m68k.c (output_move_const_into_data_reg):
6347 Output correct mnemonic for mvz and mvs.
6349 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
6351 * rtl-factoring.c: Add sequence abstraction algorithm.
6352 * cfgcleanup.c (outgoing_edges_match): Extra checks.
6353 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
6355 (block_has_preserve_label): New function.
6356 * common.opt: Register new pass.
6357 * Makefile.in: Ditto.
6359 * timevar.def: Ditto.
6360 * tree-pass.h: Ditto.
6361 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
6362 * rtl.h (make_jump_insn_raw): Add forward decl.
6363 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
6365 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6366 Roger Sayle <roger@eyesopen.com>
6368 * fold-const.c (fold_minmax): New static function.
6369 (fold_binary) <MIN_EXPR>: Call it.
6370 <MAX_EXPR>: Likewise.
6371 * stor-layout.c (place_field): Use DECL_SIZE consistently
6372 in the computation of the new record size.
6374 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6376 * cse.c (cse_condition_code_reg): Make it static.
6377 * rtl.h: Remove the prototype for cse_condition_code_reg.
6379 * combine.c (combine_instructions): Make it static.
6380 * rtl.h: Remove the prototype for combine_instructions.
6382 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6385 * tree.c (get_file_function_name_long): Concatenate the first global
6386 object name with a string derived from the input filename of the object
6389 2006-01-16 Ben Elliston <bje@au.ibm.com>
6391 * config/i386/winnt-stubs.c: Update FSF address.
6392 * config/xtensa/ieee754-df.S: Ditto.
6393 * config/xtensa/ieee754-sf.S: Ditto.
6395 2006-01-14 Ian Lance Taylor <ian@airs.com>
6397 * ifcvt.c (noce_init_if_info): New static function, broken out of
6398 noce_process_if_block.
6399 (noce_process_if_block): Call noce_init_if_info.
6400 (check_cond_move_block): New static function.
6401 (cond_move_process_if_block): New static function.
6402 (process_if_block): Call cond_move_process_if_block.
6404 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
6406 * cselib.c (hash_table): Rename to cselib_hash_table.
6407 (cselib_clear_table, discard_useless_values,
6408 remove_useless_values, cselib_lookup_mem, cselib_lookup,
6409 cselib_init, cselib_finish): Adjust uses of hash_table.
6411 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
6413 PR tree-optimization/25485
6414 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
6415 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
6416 is known to be false and true, respectively.
6418 2006-01-14 Richard Guenther <rguenther@suse.de>
6420 PR tree-optimization/22548
6421 PR tree-optimization/22555
6422 PR tree-optimization/22501
6423 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
6424 * params.def (salias-max-array-elements): New parameter.
6425 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
6426 * doc/invoke.texi (salias-max-array-elements): Document.
6427 * tree-flow-inline.h (var_can_have_subvars): We also handle
6429 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
6431 * tree-ssa-structalias.c (params.h): Include.
6432 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
6433 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
6434 (get_constraint_for): For ADDR_EXPR operating on something
6435 containing an ARRAY_REF, add all subvars to the solution.
6436 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
6437 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
6438 for creating MUST_DEFs.
6439 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
6441 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
6443 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
6445 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
6446 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6447 number_of_iterations_le): New functions.
6448 (number_of_iterations_special): Removed.
6449 (number_of_iterations_exit): Do not use number_of_iterations_special.
6450 * tree.c (unsigned_type_for): Always return integer type.
6452 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
6453 Richard Guenther <rguenther@suse.de>
6455 PR rtl-optimization/24257
6456 * gcse.c (find_moveable_store): Only consider a store movable
6457 when the SET_SRC of the insn can be assigned to a register.
6459 2006-01-14 Ian Lance Taylor <ian@airs.com>
6461 * tree.c (tree_not_class_check_failed): New function.
6462 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
6463 (tree_not_class_check_failed): Declare.
6465 2006-01-13 Ian Lance Taylor <ian@airs.com>
6467 * reload1.c (do_output_reload): Add assertion rejecting a
6470 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
6472 * combine.c (struct reg_stat): Add new fields truncation_label and
6474 (record_value_for_reg): Reset truncated_to_mode.
6475 (record_truncated_value): New function.
6476 (check_promoted_subreg): Call it. Rename to check_conversions.
6477 (combine_instructions): Rename check_promoted_subreg to
6479 (reg_truncated_to_mode): New function.
6480 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
6481 (gen_lowpart_or_truncate): New function.
6482 (force_to_mode): Use it instead of gen_lowpart.
6484 2006-01-13 Diego Novillo <dnovillo@redhat.com>
6486 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
6487 VAR is a tag, not its type tag.
6489 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
6491 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
6492 alternatives to match style of other entries.
6493 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
6495 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
6497 PR tree-optimization/25771
6498 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
6501 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
6504 * tree-inline.c (declare_return_variable): If the return variable
6505 was marked as a non gimple complex, set the return slot variable
6506 to be a non gimple comple variable.
6508 2006-01-13 Richard Guenther <rguenther@suse.de>
6510 * builtins.c (expand_builtin_sincos): New function.
6511 (expand_builtin_mathfn_3): Remove dead code, sin and cos
6513 (expand_builtin): Expand sincos using expand_builtin_sincos.
6515 2006-01-12 DJ Delorie <dj@redhat.com>
6517 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
6518 shift counts, separate SI shifts for m32c vs m16c, pass shift type
6519 so that constant shifts can be split.
6520 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
6521 (m32c_valid_pointer_mode): Make static.
6522 (shift_gen_func_for): New.
6523 (m32c_prepare_shift): Use it. Split large const shifts into
6525 * config/m32c/predicates.md (shiftcount_operand): Allow more
6527 (longshiftcount_operand): New.
6528 * doc/md.texi (Machine Constraints): Document In6.
6530 2006-01-13 Ben Elliston <bje@au.ibm.com>
6532 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
6533 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
6536 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
6538 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
6539 to try to avoid clobbering pieces of structures when we know
6540 something about the whole structure.
6541 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
6543 2006-01-13 Ben Elliston <bje@au.ibm.com>
6545 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
6546 return in memory, as this is no limitation is no longer present.
6548 2006-01-12 DJ Delorie <dj@redhat.com>
6550 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
6551 mova with fb, and for fb+0 -> An.
6553 * config/m32c/mov.md (peephole2): Fix enabling logic.
6555 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
6556 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
6557 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
6558 FINI_ARRAY_SECTION_ASM_OP): Define.
6560 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
6562 (m32c_legitimize_reload_address): New logic to reload FB to An.
6563 (m32c_output_reg_push): Add newline.
6564 (m32c_output_reg_pop): Likewise.
6566 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
6568 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
6570 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
6572 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6574 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6576 * config/sh/predicates.md (sh_rep_vec): Add parallel to
6579 2006-01-11 Ben Elliston <bje@au.ibm.com>
6581 * rtlanal.c (find_reg_note): Assert insn is not null.
6583 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6585 * df-scan.c (df_hard_reg_init): Move declaration of i outside
6588 2006-01-11 Jeff Law <law@redhat.com>
6590 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
6592 (mark_threaded_blocks, register_jump_thread): New functions.
6593 (thread_through_all_blocks): Remove unwanted argument. No
6594 longer rely on e->aux to communicate thread target info.
6595 Call mark_threaded_blocks. Release the threaded_blocks
6596 bitmap and threaded_edges vector when complete.
6597 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
6598 (threaded_blocks): Remove.
6599 (tree_ssa_dominator_optimize): Remove initialization and
6600 finalization of threaded_blocks. Simplify call to
6601 thread_through_all_blocks.
6602 (thread_across_edge): Call register_jump_thread rather than
6603 storing thread information into e->aux.
6604 (free_all_edge_infos): Simplify now that e->aux is no longer
6605 used to communicate with thread_through_all_blocks.
6606 * tree-flow.h (thread_through_all_blocks): Update prototype.
6607 (register_jump_thread): Prototype.
6609 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6611 * df-core.c (df_compact_blocks, df_bb_replace): Use
6612 SET_BASIC_BLOCK instead of BASIC_BLOCK.
6614 2006-01-11 Richard Guenther <rguenther@suse.de>
6616 PR tree-optimization/25734
6617 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
6618 stop propagation after successful propagation to the LHS.
6620 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6622 * basic-block.h (control_flow_graph): Change the type of
6623 x_basic_block_info to VEC(basic_block,gc) *.
6624 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
6626 (SET_BASIC_BLOCK): New.
6627 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
6628 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
6629 * cfgbuild.c (find_basic_blocks): Likewise.
6630 * cfglayout.c (fixup_reorder_chain): Likewise.
6631 * cfgrtl.c (create_basic_block_structure,
6632 rtl_create_basic_block): Likewise.
6633 * ifcvt.c (find_if_case_1): Likewise.
6634 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
6637 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6639 * Makefile.in: Removed rotted odf.c entry.
6641 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
6644 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
6645 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
6646 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
6647 output pattern modifier, not %e.
6648 * config/cris/cris.c (cris_op_str): Update comment about pattern
6650 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
6651 before falling through into...
6652 <case 'E'>: Redefined from old 'e' case.
6654 2006-01-11 Jan Hubicka <jh@suse.cz>
6657 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
6659 2006-01-11 Jan Hubicka <jh@suse.cz>
6661 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
6662 * i386.c (x86_decompose_lea): Kill.
6663 (ix86_rtx_costs): Kill.
6665 2006-01-11 Jan Hubicka <jh@suse.cz>
6667 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
6668 * cgraph.h (cgraph_node): Add inline_decl.
6669 (cgraph_insert_node_to_hashtable): Declare.
6670 (save_inline_function_body): Declare.
6671 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6673 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6674 (cgraph_function_versioning): Update call of tree_function_versioning.
6675 (save_inline_function_body): New function.
6676 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6677 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6678 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6679 (cgraph_default_inline_p): Likewise.
6680 (cgraph_decide_inlining_incrementally): Likewise.
6681 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6682 (copy_bb): Kill saving; do updating of clones.
6683 (copy_cfg_body): Kill saving.
6684 (initialize_inlined-parameters): Likewise.
6685 (expand_call_inline): Likewise.
6687 (tree_function_versioning): New parameter "update_clones".
6688 (inlining_p): Kill saving.
6689 * tree-inline.h (tree_function_versioning): Update prototype.
6690 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6693 2006-01-11 Ian Lance Taylor <ian@airs.com>
6695 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6696 Allow undoing set of machine mode.
6697 (do_SUBST): Use enums instead of is_int.
6698 (do_SUBST_MODE): New function.
6699 (SUBST_MODE): New macro.
6700 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6701 reg and trying to replace reg_regno_rtx with a new register.
6702 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6703 (simplify_set): Use SUBST_MODE.
6704 (distribute_notes): Remove code that tried to update reg notes
6705 for regno_reg_rtx changes.
6707 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6709 PR tree-optimization/23109
6710 PR tree-optimization/23948
6711 PR tree-optimization/24123
6713 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6714 * tree-cfg.c (single_noncomplex_succ): New.
6715 * tree-flow.h (single_noncomplex_succ): Declare it.
6716 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6717 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6718 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6719 insert_bb, register_division_in, insert_reciprocals,
6720 replace_reciprocal, free_bb): New.
6721 (execute_cse_reciprocals_1): Rewritten.
6722 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6723 Do not commit any edge insertion. Always compute dominators and
6724 create the allocation pool.
6725 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6726 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6727 * targhooks.c (default_min_divistions_for_recip_mul): New.
6728 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6729 * passes.c (init_optimization_passes): Run recip after tree loop
6731 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6733 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6734 Kenneth Zadeck <zadeck@naturalbridge.com>
6736 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6737 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6738 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6739 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6740 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6741 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6742 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6743 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6744 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6745 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6746 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6747 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6748 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6749 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6750 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6751 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6752 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6753 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6754 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
6755 DF_SCAN_POST_ALLOC): New macros.
6756 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
6757 df_free_bb_function, df_local_compute_function, df_init_function,
6758 df_dataflow_function, df_confluence_function_0,
6759 df_confluence_function_n, df_transfer_function,
6760 df_finalizer_function, df_free_function, df_dump_problem_function,
6761 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
6762 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
6763 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
6764 df_urec_bb_info, ) New types.
6765 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
6767 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
6768 df_analyze_simple_change_some_blocks,
6769 df_analyze_simple_change_one_block, df_compact_blocks,
6770 df_bb_replace, df_bb_regno_last_use_find,
6771 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
6772 df_insn_regno_def_p, df_find_def, df_find_use,
6773 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
6774 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
6775 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
6776 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
6777 debug_df_chain, df_get_dependent_problem, df_chain_create,
6778 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
6779 df_grow_bb_info, df_chain_dump, df_print_bb_index,
6780 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
6781 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
6782 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
6783 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
6784 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
6785 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
6786 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
6787 df_ref_remove, df_insn_refs_delete, df_refs_delete,
6788 df_reorganize_refs, df_set_state, df_hard_reg_init,
6789 df_read_modify_subreg_p) New public functions.
6790 * df-core.c: The core dataflow solver and glue routines for rtl
6792 (df_init, df_add_problem, df_set_blocks, df_finish,
6793 df_hybrid_search_forward, df_hybrid_search_backward,
6794 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
6795 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
6796 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
6797 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
6798 df_reg_defined, df_find_use, df_reg_used, df_dump,
6799 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
6800 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
6801 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
6802 debug_df_useno, reset_df_after_reload): New functions.
6803 * df-scan.c: The scanning fuctions, once in df.c, completely
6804 rewritten so that they now fully model the functionality of
6805 register usage at the backend.
6806 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
6807 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
6808 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
6809 df_grow_insn_info, df_rescan_blocks, df_ref_create,
6810 df_get_artificial_defs, df_get_artificial_uses,
6811 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
6812 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
6813 df_refs_delete, df_reorganize_refs, df_set_state,
6814 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
6815 df_def_record_1, df_defs_record, df_uses_record,
6816 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
6817 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
6818 df_record_exit_block_uses, df_hard_reg_init): New functions.
6820 * df-problems.c: Seven concrete dataflow problems that use the
6821 scanning in df-scan.c and are solved by the engine in df-core.c.
6822 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
6823 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
6824 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
6825 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
6826 df_ru_free_bb_info, df_ru_alloc,
6827 df_ru_bb_local_compute_process_def,
6828 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
6829 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
6830 df_ru_transfer_function, df_ru_free, df_ru_dump,
6831 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
6832 df_rd_free_bb_info, df_rd_alloc,
6833 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
6834 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
6835 df_rd_transfer_function, df_rd_free, df_rd_dump,
6836 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
6837 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
6838 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
6839 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
6840 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
6841 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
6842 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
6843 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
6844 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
6845 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
6846 df_urec_mark_reg_change, df_urec_check_earlyclobber,
6847 df_urec_mark_reg_use_for_earlyclobber,
6848 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
6849 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
6850 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
6851 df_urec_dump, df_urec_add_problem, df_chain_alloc,
6852 df_chain_create_bb_process_use, df_chain_create_bb,
6853 df_chain_finalize, df_chain_free, df_chains_dump,
6854 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
6855 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
6856 df_reg_lifetime): New functions.
6857 * df.c: Deleted file.
6858 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
6859 consistent with new df api.
6860 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
6861 rest_of_handle_sms): Ditto.
6862 * web.c (unionfind_union, union_defs, entry_register, web_main):
6864 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
6865 invariant_expr_equal_p, find_defs, check_dependencies,
6866 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
6867 free_inv_motion_data, move_loop_invariants): Ditto.
6868 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
6869 Update dependencies.
6870 (odf.c): Added defective entry that was deleted later in day.
6871 * sched-deps.c (sched_analyze_1): Ditto.
6873 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
6875 * tree-ssa-operands.c (get_expr_operands): Record addressable
6876 variables directly. Do not call add_stmt_operands for CONST_DECLs
6878 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
6879 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
6881 2006-01-11 Ben Elliston <bje@au.ibm.com>
6883 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
6884 function returns true in the positive case.
6886 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6889 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
6890 for SI, DI, SF and DF modes. Add alternatives to copy between
6891 general and floating point registers to the 32-bit patterns.
6892 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
6893 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
6894 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
6895 generating 64-bit code.
6896 * config/pa/pa.c (output_move_double): Handle copies between general
6897 and floating registers.
6899 2006-01-10 Stuart Hastings <stuart@apple.com>
6901 * config/i386/i386.md (set_got): Update.
6902 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
6903 (builtin_setjmp_receiver): Mach-O support.
6904 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
6905 (GOT_SYMBOL_NAME): Define.
6906 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
6907 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
6908 * config/i386/i386.c (override_options): Revise for Darwin.
6909 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
6910 support. (darwin_x86_file_end): New. (output_set_got): Add label
6911 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
6912 * config/i386/i386-protos.h (output_set_got): Likewise.
6913 * config/darwin.c (machopic_legitimize_pic_address): Update
6916 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
6918 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
6919 when MODE isn't BLKmode.
6921 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6923 PR rtl-optimization/25367
6924 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
6926 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
6929 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
6930 for a negative bound.
6932 2006-01-10 Richard Guenther <rguenther@suse.de>
6934 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6935 Never override with anything constraint.
6937 2006-01-10 Jan Beulich <jbeulich@novell.com>
6939 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
6940 256 bits when optimize_size.
6942 2006-01-10 Jan Beulich <jbeulich@novell.com>
6944 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
6946 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
6947 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
6950 2006-01-10 Ben Elliston <bje@au.ibm.com>
6952 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
6954 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
6955 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
6956 (USE_FP_FOR_ARG): Reject decimal float modes.
6957 (function_arg_advance): Likewise.
6958 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
6959 (rs6000_handle_altivec_attribute): Do not permit decimal floating
6960 point types in AltiVec vectors.
6961 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
6962 (rs6000_libcall_value): Likewise.
6964 2006-01-09 Bob Wilson <bob.wilson@acm.org>
6966 * config/xtensa/ieee754-df.S: New file.
6967 * config/xtensa/ieee754-sf.S: New file.
6968 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
6969 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
6970 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
6972 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
6974 * config/sh/predicates.md (binary_float_operator,
6975 binary_logical_operator, commutative_float_operator,
6976 equality_comparison_operator, greater_comparison_operator,
6977 less_comparison_operator, logical_operator,
6978 noncommutative_float_operator, shift_operator,
6979 symbol_ref_operand, unary_float_operator): Remove redundant
6982 2006-01-09 Jeff Law <law@redhat.com>
6984 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
6985 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
6986 now unused arguments. Callers updated.
6987 (eliminate_redundant_computations): Remove now unused arguments,
6989 (local_fold): Remove, no longer used.
6990 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
6992 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
6993 (simplify_cond): New function.
6994 (forward_propagate_into_cond): Call simplify_cond.
6996 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
6998 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
6999 (*vec_extractv2di_1_sse): New.
7001 2006-01-09 Ben Elliston <bje@au.ibm.com>
7003 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
7005 2006-01-08 Richard Guenther <rguenther@suse.de>
7007 * tree-ssa-structalias.c (get_constraint_for): Remove
7009 (get_constraint_for_component_ref): Likewise.
7010 (do_deref): Likewise.
7011 (get_constraint_for): Likewise.
7012 (do_structure_copy): Likewise.
7013 (handle_ptr_arith): Likewise.
7014 (find_func_aliases): Likewise. Remove unused need_anyoffset
7017 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
7018 Kaz Kojima <kkojima@gcc.gnu.org>
7020 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
7021 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
7022 (EXTRA_CONSTRAINT_C16): Remove.
7023 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
7024 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
7025 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
7026 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
7027 constants of SHmedia. Handle nested constant expressions of
7029 (andcosts): Fix the costs for SHmedia constants.
7030 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
7031 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
7032 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
7033 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
7034 (movv4hi_i, movv2si_i): Likewise.
7035 (movsi_const): Adjust the second operand of ior so to match with
7037 (movdi_const, movdi_const_32bit): Likewise.
7038 (movdi_const_16bit+1): Don't sign-extend LOW.
7039 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
7041 (*double_shori): Fix the split condition. Use GEN_INT instead
7042 of get_int_mode calls. Mask lower 16-bit of the argument of
7044 (sym2GOTPLT): Remove.
7045 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
7047 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
7048 instead of EXTRA_CONSTRAINT_C16.
7050 2006-01-07 Ian Lance Taylor <ian@airs.com>
7051 David Edelsohn <edelsohn@gnu.org>
7053 PR rtl-optimization/25662
7054 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
7055 for constant operands instead of simplify_gen_binary.
7056 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
7057 after trying simplify_binary_operation
7059 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
7061 * tree.c (iterative_hash_expr): Hash decls based on UID.
7063 2006-01-06 Eric Christopher <echristo@apple.com>
7065 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
7066 (TARGET_UNWIND_EMIT): Fix spelling.
7067 * target.h (gcc_target): Add except_table_label.
7068 * except.c (output_function_exception_table): Use.
7069 * varasm.c (default_emit_except_table_label): New.
7070 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
7072 (asm_out): Add here.
7073 * output.h (default_emit_except_table_label): Prototype.
7074 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
7075 * config/darwin.c (darwin_emit_except_table_label): Define.
7076 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
7078 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
7080 PR tree-optimization/18527
7081 * tree-ssa-loop-niter.c (number_of_iterations_cond,
7082 number_of_iterations_special, number_of_iterations_exit):
7083 Move base and step of an iv to a single structure. Add
7084 no_overflow flag, and use it in # of iterations analysis.
7085 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
7086 folded_casts argument.
7087 (simple_iv): Pass base and step in a structure. Set no_overflow
7089 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
7090 Evaluate expensiveness of computing # of iterations instead of
7091 the final expression.
7092 * tree-scalar-evolution.h (affine_iv): New structure.
7093 (simple_iv): Declaration changed.
7094 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
7095 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
7096 find_givs_in_stmt): Changed due to simple_iv change.
7098 2006-01-06 Jeff Law <law@redhat.com>
7101 * tree-cfg.c (bsi_replace): Rename final argument from
7102 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
7103 change (stmt -> orig_stmt).
7104 * tree-eh.c (verify_eh_throw_stmt_node): New function.
7105 (bsi_remove): Add new argument. Remove EH information
7107 (verify_eh_throw_table_statements): New function.
7108 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
7110 * tree-optimize.c (execute_free_cfg_annotations): Verify
7111 the EH throw statement table after removing annotations.
7112 * except.h (verify_eh_throw_table_statements): Prototype.
7113 * tree-flow.h (bsi_remove): Update prototype.
7114 * tree-vrp.c (remove_range_assertions): Add new argument to
7116 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
7117 * tree-complex.c (expand_complex_div_wide): Likewise.
7118 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
7119 * tree-tailcall.c (eliminate_tailcall): Likewise.
7120 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
7121 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
7122 * tree-nrv.c (tree_nrv): Likewise.
7123 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
7124 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
7125 (combine_blocks): Likewise.
7126 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
7127 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
7128 (cleanup_control_flow): Likewise.
7129 (remove_forwarder_block): Likewise.
7130 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
7131 * tree-sra.c (sra_replace): Likewise.
7132 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
7133 (forward_propagate_single_use_vars): Likewise.
7134 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
7135 * tree-inline.c (expand_call_inline): Likewise.
7136 * tree-vect-transform.c (vect_transform_loop): Likewise.
7137 * tree-outof-ssa.c (rewrite_trees): Likewise.
7138 * tree-cfg.c (make_goto_expr_edges): Likewise.
7139 (cleanup_dead_labels): Likewise.
7140 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
7141 (bsi_move_before, bsi_move_after): Likewise.
7142 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
7143 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
7145 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
7148 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
7150 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
7151 on non gimple variables. Also add checks at the top for decls and
7153 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
7155 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
7156 and IMAGPART_EXPR for creating MUST_DEFs.
7157 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
7158 and NAME_MEMORY_TAG separately from the DECLs.
7160 2006-01-06 Richard Guenther <rguenther@suse.de>
7162 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
7163 annotation, if necessary.
7164 * tree-ssa-pre.c (create_expression_by_pieces): Remove
7165 redundant calls to update_stmt.
7166 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
7169 2006-01-05 Richard Henderson <rth@redhat.com>
7171 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
7173 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7175 * c-typeck.c: Update copyright date.
7177 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7179 * c-typeck.c (build_c_cast): Always warn when casting
7180 from a pointer to an integer of different size, even if
7181 the node was constant.
7183 2006-01-05 Richard Guenther <rguenther@suse.de>
7185 PR tree-optimization/22555
7186 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
7187 if one structure field is an array.
7188 * tree-ssa-operands.c (get_expr_operands): Continue scanning
7189 operands even if we found a subvar, but ignore VOPs in this
7191 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
7193 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
7195 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
7198 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
7200 2006-01-05 Richard Guenther <rguenther@suse.de>
7201 Diego Novillo <dnovillo@redhat.com>
7203 * tree-pass.h (TODO_remove_unused_locals): Define.
7204 * gimple-low.c (expand_var_p, remove_useless_vars,
7205 pass_remove_useless_vars): Remove. Update all users.
7206 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
7207 (remove_unused_locals): New function.
7208 * tree-flow.h (remove_unused_locals): Declare.
7209 * passes.c (execute_todo): Call remove_unused_locals if
7210 TODO_remove_unused_locals is set.
7211 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
7212 * tree-ssa-dce.c (pass_dce): Likewise.
7213 * tree-outof-ssa.c (pass_del_ssa): Likewise.
7215 2006-01-05 Richard Guenther <rguenther@suse.de>
7217 * tree-flow.h (struct fieldoff): Decompose field to
7218 type, size and decl.
7219 * tree-ssa-alias.c (create_sft): Take type as parameter.
7220 (create_overlap_variables_for): Store type, size and decl
7221 in the fieldoff structure.
7222 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
7224 (push_fields_onto_fieldstack): Likewise.
7225 (create_variable_info_for): Likewise. Use offset for the
7226 SFT name if the decl is not available.
7228 2006-01-04 Paul Brook <paul@codesourcery.com>
7230 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
7232 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
7234 * lambda-code.c (can_put_in_inner_loop): Relax
7236 (can_put_after_inner_loop): New function.
7237 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
7238 (perfect_nestify): Change to make copies and modify uses.
7240 2006-01-04 Richard Henderson <rth@redhat.com>
7242 Merge from gomp branch:
7243 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
7244 via integer constant.
7245 (pragma_lex): Remove.
7246 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
7247 rather than parsing it.
7248 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
7249 handle_pragma_extern_prefix): Add %< %> quotes.
7250 (registered_pragmas): New.
7251 (c_register_pragma_1): New.
7252 (c_register_pragma): Use it.
7253 (c_register_pragma_with_expansion): Likewise.
7254 (c_invoke_pragma_handler): New.
7255 (init_pragma): Use cpp_register_deferred_pragma directly for
7257 * c-pragma.h (enum pragma_kind): New.
7258 (pragma_handler): New.
7259 (c_invoke_pragma_handler): Declare.
7260 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
7262 * c-common.h (c_common_pch_pragma): Update decl.
7263 * Makefile.in (c-parser.o): Update dependencies.
7264 (GTFILES): Add c-pragma.h.
7265 * c-parser.c (struct c_token): Add pragma_kind.
7266 (struct c_parser): Add in_pragma.
7267 (c_lex_one_token): Always initialize keyword and pragma_kind.
7268 Extract data for CPP_PRAGMA.
7269 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
7270 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
7271 Don't allow CPP_PRAGMA_EOL if in_pragma.
7272 (c_parser_consume_pragma): New.
7273 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
7274 (c_parser_skip_to_end_of_parameter): Likewise.
7275 (c_parser_skip_to_end_of_block_or_statement): Likewise.
7276 (c_parser_skip_to_pragma_eol): New.
7277 (c_parser_external_declaration): Handle CPP_PRAGMA.
7278 (c_parser_compound_statement_nostart): Likewise.
7279 (c_parser_statement_after_labels): Likewise.
7280 (c_parser_pragma): New.
7281 (pragma_lex): Likewise.
7282 (c_parser_pragma_pch_preprocess): New.
7283 (c_parser_new): Merge into ...
7284 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
7286 2006-01-04 Jeff Law <law@redhat.com>
7289 * tree-cfg.c (bsi_replace): Remove the original statement
7290 from the EH throw statement table.
7292 2006-01-04 Jakub Jelinek <jakub@redhat.com>
7294 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
7295 make the prototype extern "C" and add throw ().
7298 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
7299 and pos non-negative and pos + len <= 32.
7300 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
7301 drop pos + len < HOST_BITS_PER_WIDE_INT test.
7302 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
7305 * c-common.c (handle_vector_size_attribute): Reject zero vector size
7306 as well as sizes not multiple of component size.
7309 * function.c (instantiate_expr): New function.
7310 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
7311 walk its DECL_VALUE_EXPR with instantiate_expr.
7313 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
7314 DW_OP_deref{,_size} if address isn't going to be added.
7316 2006-01-04 Ben Elliston <bje@au.ibm.com>
7318 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
7319 * config/fp-bit.c: Likewise.
7321 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
7323 * dominance.c: Add comment about why we use DFS numbering
7326 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7327 Richard Henderson <rth@redhat.com>
7329 Merge from gomp-branch:
7330 * varasm.c (assemble_variable): Handle thread-local COMMON data.
7331 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
7333 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
7335 PR rtl-optimization/25578
7336 * combine.c (combine_simplify_rtx, force_to_mode): Don't
7337 pass a parameter to simplify_shift_const if changing ASHIFTRT
7340 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
7342 * builtins.c (get_builtin_sync_mem): New function.
7343 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
7344 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
7345 Call get_builtin_sync_mem to generate mem rtx.
7347 2006-01-03 Richard Guenther <rguenther@suse.de>
7350 * stmt.c (add_case_node): Make sure to clear overflow flags
7353 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7355 Merge from gomp-branch.
7356 * config/sparc/sync.md: New file.
7357 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
7358 UNSPECV_LDSTUB): New constants.
7359 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
7360 * config/sparc/predicates.md (memory_reg_operand): New predicate.
7361 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
7364 2006-01-03 Roger Sayle <roger@eyesopen.com>
7366 * combine.c (reg_subword_p): New predicate to test whether the
7367 destination of a set refers to a subword/piece of a register.
7368 (try_combine): Generalize the code to merge the setting of a
7369 pseudo to a constant followed by a set of a subword of that
7370 register to a constant.
7372 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
7374 * basic-block.h (control_flow_graph): Change the type of
7375 x_label_to_block_map to VEC(basic_block,gc) *.
7376 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
7377 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
7379 * tree-ssa-propagate.c (cfg_blocks): Change the type to
7380 VEC(basic_block,heap) *.
7381 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
7382 ssa_prop_fini): Adjust the uses of cfg_blocks.
7384 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
7386 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
7388 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
7389 hashing trees instead of a pointer hash.
7390 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
7391 compare for MEM_EXPR.
7393 PR rtl-optimization/25130
7394 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
7395 when comparing MEMs for GCSE
7397 2006-01-03 Ben Elliston <bje@au.ibm.com>
7399 * targhooks.h (default_decimal_float_supported_p): Declare.
7400 * targhooks.c (default_decimal_float_supported_p): Define.
7401 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
7402 `default_decimal_float_supported_p'.
7403 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
7405 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
7407 * combine.c (apply_distributive_law <SUBREG>): Check
7408 TRULY_NOOP_TRUNCATION.
7410 2006-01-02 Geoffrey Keating <geoffk@apple.com>
7412 * dwarf2out.c (have_switched_text_section): Delete.
7413 (have_multiple_function_sections): New.
7414 (have_location_lists): Make 'bool'.
7415 (add_AT_loc_list): Use 'true' not '1'.
7416 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
7417 (output_loc_list): Use have_multiple_function_sections.
7418 (output_ranges): Likewise.
7419 (dwarf2out_begin_function): Set have_multiple_function_sections if
7421 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
7422 Check function_section rather than DECL_SECTION_NAME.
7423 (dwarf2out_finish): Use have_multiple_function_sections.
7424 Don't clear have_location_lists.
7426 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
7427 Jan Hubicka <jh@suse.cz>
7429 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
7430 case of conditional jump jumping to the next instruction.
7431 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
7432 cases of conditional jump jumping to the next instruction.
7434 2006-01-02 Jan Hubicka <jh@suse.cz>
7436 * i386.c (*_cost): Add COSTS_N_INSNS.
7437 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
7439 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
7442 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
7444 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7446 * config/arm/arm.c (all_fpus): Fix comment typo.
7447 * config/darwin.c: Likewise.
7448 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
7449 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
7450 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
7452 2006-01-01 David Edelsohn <edelsohn@gnu.org>
7454 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
7455 (rs6000_split_compare_and_swapqhi): New.
7456 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
7457 (sync_compare_and_swapqhi_internal): New.
7458 * config/rs6000/rs6000-protos.h: Declare.