1 2006-03-17 Paul Brook <paul@codesourcery.com>
3 * doc/install.texi: Docuemnt --with-mode.
4 * config.gcc: Add --with-mode for arm*-*-*.
5 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9 * sh.c (max_labelno_before_reorg): New variable.
10 (sh_reorg): Initialize it.
11 (find_barrier): Check max_labelno_before_reorg before using
12 label_to_alignment. Take length of explicit alignment insns
13 into account. When seeing a UNSPECV_CONST_END, return it.
15 * sh.c (fixup_mova): Set mode of affected label to QImode.
16 (untangle_mova): New function.
17 (find_barrier): Use it. Check mode of label before decrementing
20 Set mode of all insns back to VOIDmode.
22 * sh.c (MOVA_LABELREF): New macro.
23 (mova_p, fixup_mova, sh_reorg): Use it.
24 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
25 ADDR_DIFF_VEC matches mova.
27 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
29 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
30 with ATTRIBUTE_UNUSED.
32 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
34 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
35 pointer, instead of assuming it is possible to derive the
36 correct args size from a call insn.
38 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
40 * rtl.h (CONST_INT_P): Define.
41 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
42 instead of GET_CODE(x) == CONST_INT.
43 (vax_rtx_costs): Likewise.
44 (vax_output_int_move): Likewise.
45 (vax_output_int_add): Likewise.
46 (legitimate_constant_address_p): Likewise.
47 (index_term_p): Likewise.
48 * config/vax/vax.h (PRINT_OPERAND): Likewise.
49 * config/vax/vax.md (and<mode>3): Likewise.
52 (movstricthi): Likewise.
53 (movstrictqi): Likewise.
55 (five unnamed insns): Likewise.
57 2006-03-16 Geoffrey Keating <geoffk@apple.com>
59 * doc/tm.texi (SDB and DWARF): Add extra parameter to
60 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
61 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
62 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
63 Pass to ASM_OUTPUT_DWARF_OFFSET.
64 * dwarf2out.c (debug_frame_section): New.
65 (output_call_frame_info): Use debug_frame_section. Pass it to
66 dw2_asm_output_offset.
67 (output_die): Pass appropriate section to dw2_asm_output_offset.
68 (output_compilation_unit_header): Likewise.
69 (output_pubnames): Likewise.
70 (output_aranges): Likewise.
71 (enum dw_val_class): Break dw_val_class_lbl_offset into
72 dw_val_class_lineptr and dw_val_class_macptr.
73 (add_AT_lbl_offset): Delete.
74 (add_AT_lineptr): New.
76 (AT_lbl): Expect a lineptr or macptr.
77 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
78 (attr_checksum): Likewise.
79 (same_dw_val_p): Likewise.
80 (size_of_die): Likewise.
81 (value_format): Likewise.
82 (output_die): Likewise.
83 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
85 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
86 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
87 * config/darwin-protos.h (darwin_file_start): New.
88 (darwin_asm_output_dwarf_offset): New.
89 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
90 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
92 * config/darwin.c (darwin_emit_unwind_label): Don't output label
93 if not EH section; simplify.
94 (darwin_file_start): New.
95 (darwin_asm_output_dwarf_offset): New.
96 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
98 (DEBUG_INFO_SECTION): Likewise.
99 (DEBUG_ABBREV_SECTION): Likewise.
100 (DEBUG_ARANGES_SECTION): Likewise.
101 (DEBUG_MACINFO_SECTION): Likewise.
102 (DEBUG_LINE_SECTION): Likewise.
103 (DEBUG_LOC_SECTION): Likewise.
104 (DEBUG_PUBNAMES_SECTION): Likewise.
105 (DEBUG_STR_SECTION): Likewise.
106 (DEBUG_RANGES_SECTION): Likewise.
107 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
108 (ASM_OUTPUT_DWARF_OFFSET): New.
110 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
112 * config.gcc (tm_defines): Always add to previous value rather
115 2006-03-16 Richard Sandiford <richard@codesourcery.com>
117 * config/mips/predicates.md (splittable_const_int_operand): New,
118 split from move_operand.
119 (splittable_symbolic_operand): New.
120 (move_operand): Add commentary. Use splittable_const_int_operand.
121 Inline mips_atomic_symbolic_constant_p.
122 * config/mips/mips.md: Add combine splitters for handling moves
123 of splittable_const_int_operands and splittable_symbolic_operands.
124 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
125 (mips_split_symbol): Declare.
126 (mips_move_integer): Declare.
127 * config/mips/mips.c (mips_split_p): Make global.
128 (TARGET_MIN_ANCHOR_OFFSET): Override default.
129 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
130 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
131 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
132 (mips_offset_within_object_p): Handle block symbols.
133 (mips_atomic_symbolic_constant_p): Delete.
134 (mips_cannot_force_const_mem): Return false for constants that
135 mips_legitimize_move can handle.
136 (mips_use_blocks_for_constant_p): New function.
137 (mips_split_symbol): Make global.
138 (mips_move_integer): Likewise. Add a temporary register argument.
139 (mips_legitimize_const_move): Use splittable_const_int_operand and
140 splittable_symbolic_operand.
141 (mips_use_anchors_for_symbol_p): New function.
142 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
143 (mips_split_p): Declare.
145 2006-03-16 Richard Sandiford <richard@codesourcery.com>
147 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
148 (mips*-*-linux*): Likewise.
150 2006-03-16 Roger Sayle <roger@eyesopen.com>
151 Daniel Speyer <dspeyer@wam.umd.edu>
154 * tree-dump.c (dump_real): New function.
155 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
156 * Makefile.in (REAL_H): New macro for dependencies on real.h.
157 (tree-dump.o): Add $(REAL_H) to the dependencies.
159 2006-03-16 Roger Sayle <roger@eyesopen.com>
162 * real.c (real_from_string): If the mantissa is zero, don't bother
163 parsing the exponent as the result should always be zero.
165 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
167 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
169 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
171 * config/ia64/ia64.c (stops_p): Added explicit initialization.
172 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
173 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
174 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
175 ia64_sched_finish_global): New static functions to implement
176 hooks from gcc_target.sched.
177 (spec_check_no, max_uid, pending_data_specs): New static variables.
178 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
179 ia64_spec_check_src_p): New static functions.
180 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
181 (TARGET_SCHED_ADJUST_COST): Removed.
182 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
183 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
184 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
185 TARGET_SCHED_GEN_CHECK,
186 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
187 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
188 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
189 Fixed to handle speculation checks.
190 (rtx_needs_barrier): Fixed to handle speculative loads and
192 (ia64_variable_issue): Added code to count speculative loads and their
194 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
196 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
198 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
200 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
201 (ia64_reorg): Reset stops_p to NULL after it is freed.
202 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
203 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
204 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
206 (data_speculative, control_speculative, check_load): New attributes.
207 (mov<mode>_advanced, mov<mode>_speculative,
208 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
209 zero_extend<mode>di2_speculative,
210 zero_extend<mode>di2_speculative_advanced): New patterns for
211 data and control speculative loads.
212 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
214 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
215 New pattern for data and control speculation checks.
216 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
217 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
218 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
219 Auxiliary definitions for the patterns.
220 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
221 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
223 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
225 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
226 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
227 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
228 New resource constraints.
229 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
231 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
232 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
233 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
234 msched-in-control-spec, msched-ldc, msched-control-ldc,
235 msched-spec-verbose, msched-prefer-non-data-spec-insns,
236 msched-prefer-non-control-spec-insns,
237 msched-count-spec-in-critical-path): New flags to tune speculative
239 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
240 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
241 msched-in-control-spec, msched-ldc, msched-control-ldc,
242 msched-spec-verbose, msched-prefer-non-data-spec-insns,
243 msched-prefer-non-control-spec-insns,
244 msched-count-spec-in-critical-path): Document new flags.
246 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
248 * target.h (struct spec_info_def): New opaque declaration.
249 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
250 speculate_insn, needs_block_p, gen_check,
251 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
252 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
253 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
254 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
255 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
256 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
258 (TARGET_SCHED): Use new macros.
259 * rtl.h (copy_DEPS_LIST_list): New prototype.
260 * sched-int.h (struct sched_info): Change signature of new_ready field,
261 adjust all initializations. New fields: add_remove_insn,
262 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
263 region_head_or_leaf_p.
264 (struct spec_info_def): New structure declaration.
265 (spec_info_t): New typedef.
266 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
267 recovery_block, orig_pat.
268 (glat_start, glat_end): New variables declaraions.
269 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
271 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
272 DETACH_LIFE_INFO, USE_GLAT.
273 (enum SPEC_SCHED_FLAGS): New enumeration.
274 (NOTE_NOTE_BB_P): New macro.
275 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
276 attach_life_info, debug_spec_status, check_reg_live): New functions.
277 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
278 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
280 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
281 * ddg.c (get_block_head_tail): Adjust all uses.
282 * modulo-sched.c (get_block_head_tail): Adjust all uses.
283 (sms_sched_info): Initialize new fields.
284 (contributes_to_priority): Removed.
285 * haifa-sched.c (params.h): New include.
286 (get_block_head_tail): Adjust all uses.
287 (ISSUE_POINTS): New macro.
288 (glat_start, glat_end): New global variables.
289 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
290 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
291 old_last_basic_block, before_recovery, current_sched_info_var,
292 rgn_n_insns, luid): New static variables.
293 (insn_cost1): New function. Move logic from insn_cost to here.
294 (find_insn_reg_weight1): New function. Move logic from
295 find_insn_reg_weight to here.
296 (reemit_notes, move_insn, max_issue): Change signature.
297 (move_insn1): Removed.
298 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
299 extend_bb): New static functions to support extension of scheduler's
301 (generate_recovery_code, process_insn_depend_be_in_spec,
302 begin_speculative_block, add_to_speculative_block,
303 init_before_recovery, create_recovery_block, create_check_block_twin,
304 fix_recovery_deps): New static functions to support
305 generation of recovery code.
306 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
307 restore_bb_notes, move_block_after_check, move_succs): New static
308 functions to support ebb scheduling.
309 (init_glat, init_glat1, attach_life_info1, free_glat): New static
310 functions to support handling of register live information.
311 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
312 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
313 add_jump_dependencies): New static functions.
314 (check_cfg, has_edge_p, check_sched_flags): New static functions for
315 consistancy checking.
316 (debug_spec_status): New function to call from debugger.
317 (priority): Added code to handle speculation checks.
318 (rank_for_schedule): Added code to distinguish speculative instructions.
319 (schedule_insn): Added code to handle speculation checks.
320 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
321 Fixed to handle ebbs.
322 (move_insn): Added code to handle ebb scheduling.
323 (max_issue): Added code to use ISSUE_POINTS of instructions.
324 (choose_ready): Added code to choose between speculative and
325 non-speculative instructions.
326 (schedule_block): Added code to handle ebb scheduling and scheduling of
327 speculative instructions.
328 (sched_init): Initialize new variables.
329 (sched_finish): Free new variables. Print statistics.
330 (try_ready): Added code to handle speculative instructions.
331 * lists.c (copy_DEPS_LIST_list): New function.
332 * sched-deps.c (extend_dependency_caches): New function. Move logic
333 from create_dependency_caches to here.
334 (get_dep_weak, ds_merge): Make global.
335 * genattr.c (main): Code to output prototype for
336 dfa_clear_single_insn_cache.
337 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
338 (output_dfa_clean_insn_cache_func): Code to output
339 dfa_clear_single_insn_cache function.
340 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
342 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
344 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
345 New static variables.
346 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
347 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
349 (ebb_sched_info): Initialize new fields.
350 (get_block_head_tail): Adjust all uses.
351 (compute_jump_reg_dependencies): Fixed to use glat_start.
352 (schedule_ebb): Code to remove unreachable last block.
353 (schedule_ebbs): Added code to update register live information.
354 * sched-rgn.c (region_sched_info): Initialize new fields.
355 (get_block_head_tail): Adjust all uses.
356 (last_was_jump): Removed. Adjust users.
357 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
358 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
360 (check_dead_notes1): New static function.
361 (struct region): New fields: dont_calc_deps, has_real_ebb.
362 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
363 (BB_TO_BLOCK): Fixed to handle EBBs.
364 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
365 (ebb_head): New static variable.
366 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
367 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
369 (compute_dom_prob_ps): New assertion.
370 (check_live_1, update_live_1): Fixed to work with glat_start instead of
371 global_live_at_start.
372 (init_ready_list): New assertions.
373 (can_schedule_ready_p): Split update code to begin_schedule_ready.
374 (new_ready): Add support for BEGIN_CONTROL speculation.
375 (schedule_insns): Fixed code that updates register live information
377 (schedule_region): Fixed to handle EBBs.
378 (init_regions): Use extend_regions and check_dead_notes1.
379 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
380 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
381 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
382 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
383 TARGET_SCHED_GEN_CHECK,
384 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
385 TARGET_SCHED_SET_SCHED_FLAGS): Document.
386 * doc/invoke.texi (max-sched-insn-conflict-delay,
387 sched-spec-prob-cutoff): Document.
389 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
391 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
392 inter_tick, queue_index.
393 (struct sched_info): Change signature of init_ready_list field.
394 Adjust all initializations.
395 (RESOLVED_DEPS): New access macro.
396 (ready_add): Remove prototype.
397 (try_ready): Add prototype.
398 * sched-rgn.c (init_ready_list): Use try_ready.
399 (schedule_region): Initialize
400 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
401 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
402 (init_ready_list): Use try_ready.
403 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
404 * lists.c (remove_list_elem): Remove `static'.
405 (remove_free_INSN_LIST_elem): New function.
406 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
407 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
408 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
410 (readyp): New variable.
411 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
412 change_queue_index, resolve_dep): New static functions.
413 (try_ready): New function. Adjust callers in sched-rgn.c and
414 sched-ebb.c to use it instead of ready_add.
415 (clock_var): Move at the begining of file.
416 (rank_for_schedule): Fix typo.
417 (queue_insn): Add assertion. Handle QUEUE_INDEX.
418 (ready_lastpos): Enforce assertion.
419 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
421 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
422 (schedule_insn): Rewrite to use try_ready and resolve_dep.
423 (queue_to_ready): Use free_INSN_LIST_list.
424 (early_queue_to_ready): Fix typo.
425 (schedule_block): Init readyp. Move init_ready_list call after the
426 initialization of clock_var. Fix error in rejecting insn by
427 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
428 that previously corrected INSN_TICKs. Add code for handling
430 (set_priorities): Fix typo.
431 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
432 Clarify comment and code that keeps current_sched_info->next_tail
435 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
437 * sched-rgn.c (extend_rgns): New static function.
439 (gather_region_statistics, print_region_statistics): New static
441 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
442 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
444 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
445 Andrey Belevantsev <abel@ispras.ru>
447 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
448 * lists.c (unused_deps_list): New variable.
449 (free_list): Add assertions to verify the proper distinguishing
450 between INSN_LISTs and DEPS_LISTs.
451 (find_list_elem, remove_list_elem, remove_list_node): New static
453 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
454 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
455 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
456 (alloc_INSN_LIST): Assert that the list we're working on is indeed
458 (free_INSN_LIST_node): Likewise.
459 * modulo-sched.c (current_sched_info): Initialize flags field.
460 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
461 * rtl.def (DEPS_LIST): Define.
462 * rtl.h: Declare new functions from lists.c.
463 * sched-deps.c (spec_dependency_cache): New static variable.
464 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
465 (add_dependence): Change return type to void. Move the logic to ...
466 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
467 (delete_all_dependences): Add comment about forward_dependency_cache.
468 Handle spec_dependency_cache. Handle DEPS_LISTs.
469 (fixup_sched_groups): Clarify the change of priority of output
470 and anti dependencies.
471 (sched_analyze_2): Adjust add_dependence calls to create data
472 speculative dependence.
473 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
474 Adjust all callers. Handle DEPS_LISTS.
475 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
476 presence of speculation.
477 (init_dependency_caches, free_dependency_caches):
478 Handle spec_dependency_cache.
479 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
480 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
481 New static functions.
482 (add_or_update_back_dep, add_or_update_back_forw_dep,
483 add_back_forw_dep, delete_back_forw_dep): New functions.
484 * sched-int.h (ds_t, dw_t): New typedefs.
485 (struct sched_info): Add new field flags.
486 (struct haifa_insn_data): Add new bitfield has_internal_dep.
487 Prototype new sched-deps.c functions.
488 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
489 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
490 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
491 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
492 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
493 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
495 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
497 * sched-rgn.c (current_sched_info): Initialize flags field.
498 (schedule_insns): Initialize current_sched_info before the sched_init
500 * sched-ebb.c (current_sched_info): Initialize flags field.
501 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
502 Call add_or_update_back_dep instead of add_dependence.
503 Create control speculative dependencies.
504 (schedule_insns): Initialize current_sched_info before the sched_init
507 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
509 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
511 (sh_fallback_frame_state): Likewise.
513 2006-03-15 Geoffrey Keating <geoffk@apple.com>
515 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
516 Do switch on default_use_cxa_atexit.
517 (powerpc*-*-darwin*): Build crt2.o on powerpc.
518 * config/darwin-crt3.o: New.
519 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
520 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
521 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
523 * config/rs6000/t-darwin: Move crt2.o building to here.
524 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
525 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
528 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
530 * config/vax/vax.c (nonindexed_address_p): Change logical negation
531 from '! xxx' to '!xxx' for coding-style conformance.
532 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
533 (EXTRA_CONSTRAINT): Likewise.
534 * config/vax/vax.md (four unnamed insns): Likewise.
536 2006-03-15 Paul Brook <paul@codesourcery.com>
538 * config/arm/arm.c (minipool_pad): New.
539 (add_minipool_forward_ref): Include pool alignment padding in address
541 (push_minipool_fix): Set minipool_pad.
542 (minipool_pad): Ditto.
544 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
546 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
547 instead of GET_CODE() == MEM and REG_P() instead of
549 (print_operand_address): Likewise.
550 (vax_address_cost): Likewise.
551 (vax_rtx_costs): Likewise.
552 (vax_notice_update_cc): Likewise.
553 (vax_output_int_add): Likewise.
554 (INDEX_REGISTER_P): Likewise.
555 (BASE_REGISTER_P): Likewise.
556 (nonindexed_address_p): Likewise.
557 (vax_mode_dependent_address_p): Likewise.
558 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
559 (PRINT_OPERAND): Likewise.
560 * config/vax/vax.md (ashlsi3): Likewise.
562 (some more unnamed insns): Likewise.
564 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
566 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
567 iterator-style macro.
568 (mark_control_dependent_edges_necessary): Update the use of
569 EXECUTE_IF_CONTROL_DEPENDENT.
571 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
573 * config/sh/predicates.md (cache_address_operand): Special.
574 (ua_address_operand): Likewise.
576 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
578 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
580 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
582 2006-03-15 Andreas Schwab <schwab@suse.de>
584 * gensupport.c (identify_predicable_attribute): Don't free p_false
585 when it is still in use.
587 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
589 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
590 the default setting here.
592 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
594 * tree-pass.h (pass_cfg): Remove.
595 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
596 * passes.c (pass_cfg): Don't run it.
598 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
600 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
601 * reg-stack.c (stack_regs_mentioned_data): Change the type to
603 (stack_regs_mentioned): Update the uses of
604 stack_regs_mentioned_data. Don't access the array beyond its
606 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
607 Don't include gt-reg-stack.h.
609 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
610 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
612 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
615 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
618 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
620 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
622 2006-03-14 Richard Guenther <rguenther@suse.de>
624 PR tree-optimization/26672
625 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
628 2006-03-14 Richard Guenther <rguenther@suse.de>
630 PR tree-optimization/26667
631 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
632 node for the callees. Always allow inlining if it will shrink
635 2006-03-14 Richard Guenther <rguenther@suse.de>
638 * builtins.c (get_pointer_alignment): Prefer alignment
639 information from decls over that from types.
641 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
644 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
646 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
648 * config/rs6000/rs6000.opt (mdlmzb): New option.
649 (msched-prolog, msched-epilog): Use Var not Mask.
650 * doc/invoke.texi (-mdlmzb): Document.
651 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
653 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
654 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
656 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
658 PR rtl-optimization/25739
659 * bt-load.c (augment_live_range): Free tos pointer.
661 * gensupport.c (identify_predicable_attribute): Free
663 * gcov.c (create_file_names): Free name pointer.
665 2006-03-13 Roger Sayle <roger@eyesopen.com>
668 * stmt.c (emit_case_nodes): Handle the case where the index is a
669 CONST_INT, where the comparison mode is specified by the index type.
671 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
673 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
676 2006-03-13 Richard Sandiford <richard@codesourcery.com>
678 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
679 (*branch_fp_inverted): Likewise.
681 2006-03-13 Jakub Jelinek <jakub@redhat.com>
684 * omp-low.c (expand_omp_for_generic): Mark istart0
685 and iend0 as addressable.
687 2006-03-13 Jie Zhang <jie.zhang@analog.com>
689 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
691 2006-03-13 Jeff Law <law@redhat.com>
693 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
694 virtual operands are interesting.
695 (vrp_visit_stmt): Corresponding changes.
697 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
699 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
701 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
702 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
703 * config/bfin/crti.S: Use it instead of __PIC__.
704 * config/bfin/crtn.S: Likewise.
706 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
707 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
709 Lose 'G' modifier for call operand.
710 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
711 recognize 'G' modifier.
713 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
716 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
717 * stmt.c (expand_case): Likewise.
719 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
721 PR rtl-optimization/26254
722 * loop-invariant.c (seq_insns_valid_p): New function.
723 (move_invariant_reg): Only emit new code if it is valid.
725 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
727 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
729 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
730 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
731 (commit_one_edge_insertion): Do not look for loop notes.
733 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
735 * jump.c (follow_jumps): Do not check for loop notes. Move check for
736 flag_test_coverage out of loop.
738 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
740 * final.c (shorten_branches): Remove outdated comment, and turn
741 the if branch that guards it to continue.
743 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
745 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
746 * cfgloop.h (struct loop): Remove unused fields.
748 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
750 * doc/invoke.texi (-fdump-rtl-loop): Remove.
751 (-dL, -fdump-rtl-loop2): Update the dump file names
753 * doc/invoke.texi: Update dump file names.
755 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
757 * predict.c (estimate_probability): Remove.
758 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
759 * basic-block.h (estimate_probability): Remove prototype.
760 * passes.c (finish_optimization_passes): Dump branch prediction or
761 profiling heuristics to the .profile tree dump.
762 (init_optimization_passes): Unqueue pass_branch_prob.
764 * doc/invoke.texi (-fdump-rtl-bp): Remove.
766 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
768 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
769 * rtl.h (LABEL_NEXTREF): Remove field accessor.
771 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
773 * function.h (frame_offset_overflow): Declare.
774 * function.c (frame_offset_overflow): New function.
775 (assign_stack_local_1): Call it to detect that the offset overflows.
776 * cfgexpand.c (alloc_stack_frame_space): Likewise.
778 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
780 * config/sh/sh.c: Include alloc-pool.h.
781 (label_ref_list_pool): New alloc pool.
782 (label_ref_list_t): New type for lists of labels.
783 (struct pool_node): Make wend a label_ref_list_t.
784 (add_constant): Use the new type, eradicate LABEL_NEXTREF
786 (dump_table): Likewise.
787 (sh_reorg): Set up the alloc pool before using add_constant and
788 dump_table, and destroy it when finishing.
790 2006-03-11 Richard Sandiford <richard@codesourcery.com>
792 * config/mips/mips.c: Remove redundant comment.
794 2006-03-10 Jason Merrill <jason@redhat.com>
797 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
798 the target was declared 'register'.
800 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
802 * genpreds.c (write_insn_constraint_len): Change definition of
803 insn_constraint_len to return size_t to match the declaration.
805 2006-03-10 DJ Delorie <dj@redhat.com>
807 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
809 (m32c_expand_insv): Fix test for an AND mask.
811 2006-03-10 Richard Guenther <rguenther@suse.de>
814 * builtins.c (get_pointer_alignment): Handle component
815 references for field alignment.
817 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
819 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
820 when building with libgloss.
821 (sh*elf): Implement --without-fp option.
822 (sh64-superh-linux*): Don't multilib.
824 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
826 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
828 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
830 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
831 Set it when one of the replacement functions returned true.
832 Return TODO_cleanup_cfg if cfgchanged is true.
833 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
835 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
837 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
838 instead of gen_lowpart.
840 2006-03-09 Richard Sandiford <richard@codesourcery.com>
842 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
844 (mips_output_order_conditional_branch): Declare.
845 * config/mips/mips.h (MIPS_BRANCH): New macro.
846 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
847 for the comparison. Use gen_condjump.
848 (mips_output_conditional_branch): Rework interface to take the
849 asm templates for a direct branch and the inverse of a direct branch.
850 (mips_output_order_conditional_branch): New function.
851 (mips_builtin_branch_and_move): New function.
852 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
853 branch condition. Use gen_single_cc as the condition for
854 __builtin_mips_upper_* or __builtin_mips_lower_*.
855 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
856 Use VOIDmode for the branch condition.
857 * config/mips/predicates.md (order_operator): New predicate.
858 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
859 (branch_fp): Rename to...
860 (*branch_fp): ...this. Remove mode from comparison operator.
861 Use new mips_output_conditional_branch interface.
862 (branch_fp_inverted): Rename to...
863 (*branch_fp_inverted): ...this and update as for *branch_fp.
864 (*branch_zero<mode>): Rename to...
865 (*branch_order<mode>): ...this. Remove mode from comparison operator.
866 Use mips_output_order_conditional_branch. Only accept ordered
868 (*branch_zero<mode>_inverted): Rename to...
869 (*branch_order<mode>_inverted): ...this and update as for
871 (*branch_equality<mode>): Accept zero as the second operand to
872 the equality operator. Use the new mips_output_conditional_branch
874 (*branch_equality<mode>_inverted): Likewise.
875 (condjump): New expander.
876 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
878 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
879 (bc1any2t, bc1any2f): Likewise.
880 (single_cc): New expander.
881 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
883 2006-03-09 Richard Sandiford <richard@codesourcery.com>
885 * doc/md.texi: Update documentation of MIPS constraints.
886 * config/mips/constraints.md: New file.
887 * config/mips/mips.md: Include it.
888 * config/mips/mips.c (mips_char_to_class): Delete.
889 (override_options): Don't initialize mips_char_to_class.
890 * config/mips/mips.h (mips_char_to_class): Delete.
891 (REG_CLASS_FROM_LETTER): Delete.
892 (CONST_OK_FOR_LETTER_P): Delete.
893 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
894 (EXTRA_CONSTRAINT_Y): Delete.
895 (EXTRA_CONSTRAINT_STR): Delete.
896 (CONSTRAINT_LEN): Delete.
897 (EXTRA_MEMORY_CONSTRAINT): Delete.
899 2006-03-09 Diego Novillo <dnovillo@redhat.com>
901 * tree-cfg.c (move_block_to_fn): Remove the statements from the
902 original fn's eh regions.
904 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
906 * fold-const.c (build_range_check): Make sure to use a valid type to
907 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
910 (range_predecessor): New static function.
911 (range_successor): Likewise.
912 (merge_ranges): Use them to compute predecessors and successors of
915 2006-03-09 Roger Sayle <roger@eyesopen.com>
918 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
919 X op C3, consider whether C3 overflows towards +Inf or -Inf.
921 2006-03-08 DJ Delorie <dj@redhat.com>
923 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
924 (addpsi3): Expand to include memory operands. Remove
925 reload-specific splits.
926 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
927 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
928 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
929 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
930 (shift1_qi, shift1_hi, insv): New.
931 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
932 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
933 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
935 * config/m32c/m32c-protos.h: Update as needed.
936 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
937 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
938 Fail for unrecognized R* constraints.
939 (m32c_cannot_change_mode_class): Be more picky about pseudos.
940 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
941 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
943 (m32c_init_libfuncs): New.
944 (m32c_legitimate_address_p): Add debug wrapper.
945 (m32c_rtx_costs): New.
946 (m32c_address_cost): New.
947 (conversions): Add 'B' prefix.
948 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
949 operands, or word regnames for QI operands. 'B' prints bit
951 (m32c_expand_setmemhi): New.
952 (m32c_expand_movmemhi): New.
953 (m32c_expand_movstr): New.
954 (m32c_expand_cmpstr): New.
955 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
956 (m32c_expand_neg_mulpsi3): Handle non-ints.
957 (m32c_cmp_flg_0): New.
958 (m32c_expand_movcc): New.
959 (m32c_expand_insv): New.
960 (m32c_scc_pattern): New.
961 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
963 (STORE_FLAG_VALUE): New.
964 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
967 * config/m32c/mov.md: Make constraints more liberal.
968 (zero_extendqihi2): Optimize r0/r1 case.
969 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
970 * config/m32c/predicates.md (m32c_any_operand): New.
971 (m32c_nonimmediate_operand): New.
972 (m32c_hl_operand): New.
973 (m32c_r3_operand): New.
976 (memsym_operand): New.
977 (memimmed_operand): New.
979 (m32c_eqne_operator): New.
980 (m32c_1bit8_operand): New.
981 (m32c_1bit16_operand): New.
982 (m32c_1mask8_operand): New.
983 (m32c_1mask16_operand): New.
984 * config/m32c/blkmov.md: New file.
985 * config/m32c/t-m32c (MD_FILES): Add blkmov.
987 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
989 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
990 unsigned to fix signed/unsigned comparison issue in
991 DWARF2_FRAME_REG_OUT.
992 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
993 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
995 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
996 of ptr into the ENABLE_CHECKING section.
998 2006-03-08 Jeff Law <law@redhat.com>
1000 * tree-vrp.c (infer_value_range): Only count pointer uses
1001 and dereferences if -fdelete-null-pointer-checks is enabled.
1003 * tree-vrp.c (find_assert_locations): Infer value ranges for
1004 single use pointers, but do not create ASSERT_EXPRs for them.
1005 When a non-null range is inferred for a pointer, backwards
1006 propagate that range to other equivalent pointers through the
1009 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
1012 * Makefile.in (dvi, html, install-info): Invoke the corresponding
1013 language hook targets.
1014 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
1015 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
1016 if language hook targets were missing.
1018 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
1020 * tree-ssa-opfinalize.h: Removed.
1021 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
1023 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
1024 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
1025 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
1026 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
1027 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1028 finalize_ssa_v_must_def_ops): New.
1030 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
1032 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
1035 2006-03-07 Geoffrey Keating <geoffk@apple.com>
1037 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
1039 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
1040 addresses with offsets; reorganize.
1042 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
1043 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
1044 (expand_builtin_init_dwarf_reg_sizes): Likewise.
1046 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
1049 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
1051 2006-03-08 Ben Elliston <bje@au.ibm.com>
1053 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
1055 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
1058 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
1061 2006-03-07 Richard Guenther <rguenther@suse.de>
1063 PR tree-optimization/26587
1064 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
1066 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1068 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
1070 2006-03-07 Richard Sandiford <richard@codesourcery.com>
1072 * hooks.c (hook_bool_mode_rtx_true): New function.
1073 * hooks.h (hook_bool_mode_rtx_true): Declare.
1074 * toplev.c (compile_file): Call output_shared_constant_pool.
1075 * varasm.c (shared_constant_pool): New variable.
1076 (assemble_start_function, assemble_end_function): Remove arguments
1077 from call to output_constant_pool.
1078 (create_constant_pool): New function, split out from...
1079 (init_varasm_status): ...here.
1080 (force_const_mem): Choose between the shared and per-function constant
1081 pools. Set current_function_uses_const_pool when reusing old entries
1082 as well as when creating new ones.
1083 (mark_constant): Ignore data argument.
1084 (mark_constants): Remove pool argument.
1085 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
1086 to decide whether the function uses a constant pool.
1087 (output_constant_pool_contents): New function, split out from...
1088 (output_constant_pool): ...here.
1089 (output_shared_constant_pool): New function.
1090 (init_varasm_once): Initialize shared_constant_pool.
1091 * output.h (output_constant_pool): Delete.
1092 (output_shared_constant_pool): Declare.
1093 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
1094 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
1096 2006-03-06 Nick Clifton <nickc@redhat.com>
1098 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
1099 flag_strength_reduce.
1101 2006-03-06 Ben Elliston <bje@au.ibm.com>
1103 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
1104 x86_64-*-linux* configurations.
1106 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
1107 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
1109 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1111 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
1113 * basic-block.h: Remove the extern for
1114 rediscover_loops_after_threading.
1116 * cfgloop.c (cancel_loop): Make it static.
1117 * cfgloop.h: Remove the prototype for cancel_loop.
1119 * flow.c (recompute_reg_usage): Make it static.
1120 * rtl.h: Remove the prototype for recompute_reg_usage.
1122 * function.c (use_return_register): Make it static.
1123 * function.h: Remove the prototype.
1125 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1127 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
1129 * recog.h: Remove the prototype for
1130 validate_change_maybe_volatile.
1132 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1134 * rtlanal.c (replace_reg): Remove.
1135 * rtl.h: Remove the prototype for replace_reg.
1137 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
1139 * regclass.c (reg_scan_update): Remove.
1140 (reg_scan_mark_refs): Remove the last argument.
1141 * rtl.h: Remove the prototype for reg_scan_update.
1143 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1145 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
1146 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
1147 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
1148 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
1149 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
1150 loop-invariant.c, omp-low.c, opts.c, passes.c,
1151 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
1152 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
1153 tree-ssa-structalias.c, tree-ssa-threadedge.c,
1154 tree-ssa-threadupdate.c, tree-vect-patterns.c,
1155 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
1156 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
1158 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1160 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
1161 * dwarf2out.h: Remove the prototype for
1162 dwarf2out_add_library_unit_info.
1164 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1166 * tree.c (add_var_to_bind_expr): Remove.
1167 * tree.h: Remove the prototype for add_var_to_bind_expr.
1169 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1171 * regclass.c (n_non_fixed_regs): Remove.
1172 (init_reg_sets_1, globalize_reg): Remove all uses of
1174 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
1176 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1178 * rtlanal.c (insns_safe_to_move_p): Remove.
1179 * rtl.h: Remove the prototype for insns_safe_to_move_p.
1181 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
1183 * expmed.c (expand_mult_add): Remove.
1184 * expr.h: Remove the prototype for expand_mult_add.
1186 2006-03-04 Jakub Jelinek <jakub@redhat.com>
1188 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
1189 and REG_SAVED_VAL_EXP constants.
1190 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
1191 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
1192 Handle regs stored by value.
1193 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
1194 (execute_cfa_program): Handle DW_CFA_val_offset,
1195 DW_CFA_val_offset_sf and DW_CFA_val_expression.
1196 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
1197 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
1198 (uw_install_context_1): Handle target regs stored by value.
1200 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
1202 * tree-sra.c (tree_sra): Return todoflags;
1203 (generate_one_element): Set TODO_update_smt_usage if needed.
1204 (pass_sra): Remove TODO_update_smt_usage.
1205 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
1207 (tree_ssa_forward_propagate_single_use_vars): Return
1208 TODO_update_smt_usage if we need to update SMT usage.
1209 (pass_forwprop): Remove TODO_update_smt_usage.
1211 2006-03-03 Diego Novillo <dnovillo@redhat.com>
1213 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
1214 (correct_use_link): Remove reference to get_stmt_operands.
1215 (update_stmt_operands): Likewise.
1216 (get_modify_expr_operands): New function factored out of
1217 parse_ssa_operands and get_expr_operands.
1218 Try to create V_MUST_DEFs for LHS by default.
1219 (get_expr_operands) <case MODIFY_EXPR>: Call
1220 get_modify_expr_operands.
1221 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
1222 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
1223 (parse_ssa_operands) <case MODIFY_EXPR>: Call
1224 get_modify_expr_operands.
1226 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
1228 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
1229 * tree-flow.h: Remove the prototype for
1230 referenced_var_lookup_if_exists.
1232 2006-03-03 Steve Ellcey <sje@cup.hp.com>
1234 PR rtl-optimization/26345
1236 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
1238 2006-03-03 Roger Sayle <roger@eyesopen.com>
1240 PR tree-optimization/26524
1241 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
1242 fold_convert to create a constant of the appropriate type.
1244 2006-03-03 Richard Sandiford <richard@codesourcery.com>
1246 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1247 SYMBOL_REF_IN_BLOCK_P.
1248 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
1249 of SYMBOL_FLAG_IN_BLOCK.
1250 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
1251 instead of SYMBOL_REF_IN_BLOCK_P.
1252 * explow.c (use_anchored_address): Likewise.
1253 * rtl.c (rtx_size): Likewise.
1254 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
1255 instead of SYMBOL_FLAG_IN_BLOCK.
1256 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1257 SYMBOL_REF_IN_BLOCK_P.
1258 (assemble_variable): Likewise.
1259 (output_constant_def_contents): Likewise.
1260 (output_constant_pool): Likewise.
1261 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
1262 instead of SYMBOL_FLAG_IN_BLOCK.
1263 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1264 SYMBOL_REF_IN_BLOCK_P.
1265 (SYMBOL_REF_BLOCK): Likewise.
1266 (SYMBOL_REF_OFFSET): Likewise.
1267 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
1268 SYMBOL_REF_IN_BLOCK_P.
1269 (SYMBOL_FLAG_IN_BLOCK): Replace with...
1270 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
1271 (SYMBOL_REF_IN_BLOCK_P): Replace with...
1272 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
1274 2006-03-03 Jakub Jelinek <jakub@redhat.com>
1276 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
1278 2006-03-02 Roger Sayle <roger@eyesopen.com>
1280 * simplify-rtx.c (simplify_unary_operation): When simplifying
1281 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
1282 that we perform the right shift in the appropriate mode, and
1283 then extend or truncate the result to requested mode.
1285 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
1287 * gengtype.c (main): Handle double_int type.
1288 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
1289 * double-int.c: New file.
1290 * double-int.h: New file.
1291 * system.h: Include doubleint.h.
1292 * Makefile.in (SYSTEM_H): Include double-int.h.
1293 (double-int.o): Add.
1295 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
1298 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
1301 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1303 * tree-vrp.c (remove_range_assertions): Do not update statements
1306 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1308 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
1310 * gcse.c (rest_of_handle_gcse): Ditto.
1311 * except.c (gate_handle_eh): Ditto.
1312 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
1313 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
1315 2006-03-02 Eric Christopher <echristo@apple.com>
1317 * config/i386/i386.c (machopic_output_stub): Add indirection to
1320 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
1324 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
1326 Sun Niagara specific optimizations.
1327 * config.gcc: Recognize niagara as target.
1328 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
1329 (TARGET_CPU_niagara): Define.
1330 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
1331 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
1332 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1333 (ASM_CPU_SPEC): Likewise.
1334 (PROCESSOR_NIAGARA): New enum entry.
1335 (REGISTER_MOVE_COST): Handle Niagara.
1336 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
1337 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
1338 (sparc_override_options): Recognize "niagara", set appropriate
1339 default MASK_* values for it, and align functions to 32-bytes
1340 by default just like ULTRASPARC/ULTRASPARC3.
1341 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
1342 (sparc64_initialize_trampoline): Likewise.
1343 (sparc_use_sched_lookahead): Use zero for niagara.
1344 (sparc_issue_rate): Use one for niagara.
1345 * config/sparc/niagara.md: New file.
1346 * config/sparc/sparc.md: Include it.
1347 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
1348 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
1349 when default cpu is niagara.
1350 (CPP_CPU_SPEC): Handle -mcpu=niagara.
1351 (ASM_CPU_SPEC): Likewise.
1352 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
1353 when default cpu is niagara.
1354 (ASM_CPU_SPEC): Handle -mcpu=niagara.
1355 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
1356 just like v9/ultrasparc/ultrasparc3.
1357 * doc/invoke.texi: Add documentation for "niagara" and improve
1358 existing documentation for ultrasparc variants.
1360 2006-03-02 Diego Novillo <dnovillo@redhat.com>
1362 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
1364 2006-03-02 Richard Sandiford <richard@codesourcery.com>
1366 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
1367 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
1368 and say that only one is needed.
1369 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
1370 * target.h (have_switchable_bss_sections): New hook.
1371 * explow.c (use_anchored_address): Check that the symbol is in a block.
1372 * varasm.c (tls_comm_section, comm_section, lcomm_section)
1373 (bss_noswitch_section): New variables.
1374 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
1375 (get_noswitch_section): New function.
1376 (get_block_for_section): Allow SECT to be null.
1377 (unlikely_text_section_p): Use SECTION_STYLE.
1378 (bss_initializer_p): New function.
1379 (get_variable_section): Move earlier in file. Take a new argument,
1380 prefer_noswitch_p. Move bss checks from assemble_variable to here.
1381 Return one of the new *_sections in such cases.
1382 (get_block_for_decl): New function, extracting some logic from
1383 use_blocks_for_decl_p.
1384 (change_symbol_section): Remove in favor of...
1385 (change_symbol_block): ...this new function.
1386 (use_blocks_for_decl_p): Remove checks now performed by
1388 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
1389 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
1390 (emit_local, emit_bss, emit_common): ...these new functions.
1391 Return true if the alignment was honored.
1392 (emit_tls_common): New function.
1393 (asm_emit_uninitialised): Delete.
1394 (assemble_variable_noswitch): New function, split out from...
1395 (assemble_variable): ...here. Don't make decisions about common
1396 variables here. Globalize all public decls that go into non-common
1397 sections. Check whether SYMBOL_REF_BLOCK is null.
1398 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
1399 (output_constant_pool): Likewise.
1400 (init_varasm_once): Initialize the new section variables.
1401 (have_global_bss_p): New function.
1402 (categorize_decl_for_section): Use bss_initializer_p.
1403 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
1404 (place_block_symbol): Assert that the symbol must be in a block.
1405 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
1406 (TARGET_INITIALIZER): Include it.
1407 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
1408 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
1409 (SECTION_MACH_DEP): Bump by two.
1410 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
1411 (unnamed_section): Mention SECTION_UNNAMED in comment.
1412 (named_section): Likewise SECTION_NAMED.
1413 (noswitch_section_callback): New type.
1414 (noswitch_section): New structure.
1415 (section): Add a noswitch_section alternative.
1416 (SECTION_STYLE): New macro.
1417 (tls_comm_section, comm_section, lcomm_section): Declare.
1418 (bss_noswitch_section, have_global_bss_p): Declare.
1419 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1420 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1422 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
1423 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
1426 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
1428 * gcc/tree-vrp.c (execute_vrp): Return value.
1429 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
1430 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
1431 * gcc/tree-complex.c (tree_lower_complex): Ditto.
1432 (tree_lower_complex_O0): Ditto.
1433 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
1434 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
1435 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
1436 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
1437 (execute_tail_calls): Ditto.
1438 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1439 * gcc/tree.h (init_function_for_compilation): Ditto.
1440 * gcc/ipa-cp.c (ipcp_driver): Ditto.
1441 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
1442 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
1443 * gcc/final.c (compute_alignments): Ditto.
1444 (rest_of_handle_final): Ditto.
1445 (rest_of_handle_shorten_branches): Ditto.
1446 (rest_of_clean_state): Ditto.
1447 * gcc/omp-low.c (execute_expand_omp): Ditto.
1448 (execute_lower_omp): Ditto.
1449 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
1450 * gcc/ipa-reference.c (static_execute): Ditto.
1451 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
1452 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
1453 (rest_of_handle_machine_reorg): Ditto.
1454 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
1455 * gcc/flow.c (recompute_reg_usage): Ditto.
1456 (rest_of_handle_remove_death_notes): Ditto.
1457 (rest_of_handle_life): Ditto.
1458 (rest_of_handle_flow2): Ditto.
1459 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
1460 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
1461 (do_ssa_store_ccp): Ditto.
1462 (execute_fold_all_builtins): Ditto.
1463 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
1464 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
1465 * gcc/ipa-pure-const.c (static_execute): Ditto.
1466 * gcc/cse.c (rest_of_handle_cse): Ditto.
1467 (rest_of_handle_cse2): Ditto.
1468 * gcc/web.c (rest_of_handle_web): Ditto.
1469 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
1470 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
1471 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
1472 * gcc/tree-nrv.c (tree_nrv): Ditto.
1473 (execute_return_slot_opt): Ditto.
1474 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
1475 (create_structure_vars): Ditto.
1476 * gcc/loop-init.c (rtl_loop_init): Ditto.
1477 (rtl_loop_done): Ditto.
1478 (rtl_move_loop_invariants): Ditto.
1479 (rtl_unswitch): Ditto.
1480 (rtl_unroll_and_peel_loops): Ditto.
1481 (rtl_doloop): Ditto.
1482 * gcc/gimple-low.c (lower_function_body): Ditto.
1483 (mark_used_blocks): Ditto.
1484 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
1485 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
1486 (cgraph_early_inlining): Ditto.
1487 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
1488 * gcc/jump.c (cleanup_barriers): Ditto.
1489 (purge_line_number_notes): Ditto.
1490 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
1491 (rest_of_handle_if_after_reload): Ditto.
1492 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
1493 (tree_ssa_loop_im): Ditto.
1494 (tree_ssa_loop_unswitch): Ditto.
1495 (tree_vectorize): Ditto.
1496 (tree_linear_transform): Ditto.
1497 (tree_ssa_loop_ivcanon): Ditto.
1498 (tree_ssa_empty_loop): Ditto.
1499 (tree_ssa_loop_bounds): Ditto.
1500 (tree_complete_unroll): Ditto.
1501 (tree_ssa_loop_prefetch): Ditto.
1502 (tree_ssa_loop_ivopts): Ditto.
1503 (tree_ssa_loop_done): Ditto.
1504 * gcc/predict.c (tree_estimate_probability): Ditto.
1505 * gcc/recog.c (split_all_insns_noflow): Ditto.
1506 (rest_of_handle_peephole2): Ditto.
1507 (rest_of_handle_split_all_insns): Ditto.
1508 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
1509 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
1510 (rest_of_handle_stack_adjustments): Ditto.
1511 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
1512 * gcc/function.c (instantiate_virtual_regs): Ditto.
1513 (init_function_for_compilation): Ditto.
1514 (rest_of_handle_check_leaf_regs): Ditto.
1515 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
1516 (rest_of_handle_gcse): Ditto.
1517 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
1518 * gcc/alias.c (rest_of_handle_cfg): Ditto.
1519 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
1520 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
1521 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
1522 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
1523 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
1524 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
1525 * gcc/except.c (set_nothrow_function_flags): Ditto.
1526 (convert_to_eh_region_ranges): Ditto.
1527 (rest_of_handle_eh): Ditto.
1528 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
1529 (remove_unnecessary_notes): Ditto.
1530 * gcc/except.h (set_nothrow_function_flags): Ditto.
1531 (convert_to_eh_region_ranges): Ditto.
1532 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
1533 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
1534 * gcc/tree-ssa-pre.c (do_pre): Ditto.
1535 (execute_fre): Ditto.
1536 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
1537 (rest_of_handle_jump2): Ditto.
1538 * gcc/tree-sra.c (tree_sra): Ditto.
1539 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
1540 (execute_mudflap_function_decls): Ditto.
1541 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
1542 (do_store_copy_prop): Ditto.
1543 * gcc/ipa-prop.h (ipcp_driver): Ditto.
1544 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
1545 * gcc/tree-ssa-forwprop.c
1546 (tree_ssa_forward_propagate_single_use_vars): Ditto.
1547 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
1548 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
1549 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
1550 (execute_late_warn_uninitialized): Ditto.
1551 * gcc/rtl.h (cleanup_barriers): Ditto.
1552 (split_all_insns_noflow): Ditto.
1553 (purge_line_number_notes): Ditto.
1554 (unshare_all_rtl): Ditto.
1555 (remove_unnecessary_notes): Ditto.
1556 (recompute_reg_usage): Ditto.
1557 (variable_tracking_main): Ditto.
1558 * gcc/integrate.c (emit_initial_value_sets): Ditto.
1559 * gcc/integrate.h (emit_initial_value_sets): Ditto.
1560 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
1561 (execute_free_cfg_annotations): Ditto.
1562 (execute_fixup_cfg): Ditto.
1563 (execute_cleanup_cfg_pre_ipa): Ditto.
1564 (execute_cleanup_cfg_post_optimizing): Ditto.
1565 (execute_init_datastructures): Ditto.
1566 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
1567 * gcc/combine.c (rest_of_handle_combine): Ditto.
1568 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
1569 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
1570 (rest_of_handle_reorder_blocks): Ditto.
1571 (rest_of_handle_partition_blocks): Ditto.
1572 * gcc/var-tracking.c (variable_tracking_main): Ditto.
1573 * gcc/tree-profile.c (tree_profiling): Ditto.
1574 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
1575 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
1576 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
1577 (rest_of_handle_sched2): Ditto.
1578 * gcc/basic-block.h (free_bb_insn): Ditto.
1579 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
1580 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
1581 (remove_useless_stmts): Ditto.
1582 (split_critical_edges): Ditto.
1583 (execute_warn_function_return): Ditto.
1584 (execute_warn_function_noreturn): Ditto.
1585 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
1586 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
1587 * gcc/passes.c (execute_one_pass): Run additional
1588 todos returned by execute function.
1589 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
1592 2006-03-02 Richard Guenther <rguenther@suse.de>
1594 * tree-ssa-alias.c (find_used_portions): Consider taking
1595 the address as making the variable not write-only.
1597 2006-03-02 Nick Clifton <nickc@redhat.com>
1599 * config.gcc (default_use_cxa_atexit): Extend the description of
1600 this configure variable. Set its default value to "yes" for
1601 Linux, NetBSD and ELF targets on the assumption that they will
1602 use C libraries with the __cxa_atexit function.
1604 2006-03-02 Ben Elliston <bje@au.ibm.com>
1606 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
1607 parameter as unused to suppress a build warning.
1609 2006-03-02 Ben Elliston <bje@au.ibm.com>
1611 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
1614 2006-03-01 Roger Sayle <roger@eyesopen.com>
1617 * gthr-posix.h (__gthrw2): Define to take three parameters, the
1618 declared name, the weak reference name, and the typeof name.
1619 (__gthrw): Avoid expanding the declared name suffix.
1620 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
1622 2006-03-01 Jakub Jelinek <jakub@redhat.com>
1624 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
1626 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
1627 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
1628 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
1629 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
1630 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
1631 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
1632 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
1633 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
1634 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
1635 DW_DS_leading_separate, DW_DS_trailing_separate): New.
1636 (DW_END_default, DW_END_big, DW_END_little): New.
1637 (DW_END_lo_user, DW_END_hi_user): Define.
1638 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
1639 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
1640 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
1643 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1645 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
1647 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
1649 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
1651 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
1653 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
1654 to 'symbol_mem_tag'.
1656 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
1659 2006-03-01 Roger Sayle <roger@eyesopen.com>
1661 * builtins.c (fold_builtin_copysign): Delete unreachable code.
1663 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1666 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
1667 MACHO_DYNAMIC_NO_PIC_P.
1668 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
1670 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1673 * config/darwin-protos.h (darwin_asm_output_anchor):
1675 * config/darwin-sections.def (cstring_section):
1676 Add SECTION_MERGE to the flags.
1677 (literal4_section): Likewise.
1678 (literal8_section): Likewise.
1679 (objc_selector_refs_section): Likewise.
1680 (objc_cls_refs_section): Likewise.
1681 * config/darwin.c (darwin_asm_output_anchor): New
1683 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
1685 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
1687 Fix PR tree-optimization/26443
1688 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
1689 to todo and PROP_tmt_usage to properties_destroyed.
1690 * tree-ssa-ccp.c (pass_ccp): Ditto.
1691 (pass_store_ccp): Ditto.
1692 * tree-ssa-dom.c (pass_dominator): Ditto.
1694 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1696 * tree-ssa-operands.c: Cleanup whitespace.
1697 (get_asm_expr_operands): Move before first invocation.
1698 (get_indirect_ref_operands): Likewise.
1699 (get_tmr_operands): Likewise.
1700 (get_call_expr_operands): Likewise.
1701 (append_def): Likewise.
1702 (append_use): Likewise.
1703 (append_v_may_def): Likewise.
1704 (append_v_must_def): Likewise.
1705 (add_call_clobber_ops): Likewise.
1706 (add_call_read_ops): Likewise.
1707 (add_stmt_operand): Likewise.
1708 (add_virtual_operand): Likewise.
1709 (build_ssa_operands): Likewise.
1711 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
1716 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
1717 with a call expr to ...
1718 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
1720 2006-03-01 Diego Novillo <dnovillo@redhat.com>
1722 * tree-vrp.c (extract_range_from_assert): Remove special
1723 handling for types with super-types.
1725 2006-03-01 Ben Elliston <bje@au.ibm.com>
1727 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
1728 and powerpc64-*-linux* configurations.
1729 * config/t-dfprules: New file.
1731 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
1732 Compile dfp-bit.c from the source directory using -DWIDTH and
1733 $DFP_CFLAGS to control the compilation of that file, rather than
1734 generating width-specific versions in the build directory.
1735 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
1736 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
1738 2006-02-28 Zack Weinberg <zackw@panix.com>
1740 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
1743 2006-02-28 Eric Christopher <echristo@apple.com>
1745 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
1746 Set up IN_LIBGCC definition of TARGET_64BIT.
1747 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
1749 2006-02-28 Roger Sayle <roger@eyesopen.com>
1752 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
1753 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
1754 cases via the construction of "expr != 0".
1756 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
1758 * alias.c (alias_invariant, alias_invariant_size): Remove.
1759 (record_base_value): Remove.
1760 (memrefs_conflict_p): Don't look at alias_invariant.
1761 (end_alias_analysis): Don't free it.
1762 * alias.h (record_base_value): Remove prototype.
1764 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
1765 Adam Nemet <anemet@caviumnetworks.com>
1767 * rtl.h (truncated_to_mode): Declare it.
1768 (struct rtl_hooks): Add reg_truncated_to_mode hook.
1769 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
1770 (RTL_HOOKS_INITIALIZER): Include it.
1771 * rtlhooks.c (reg_truncated_to_mode_general): New function.
1772 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
1773 reg_truncated_to_mode.
1774 * rtlanal.c (truncated_to_mode): Define it.
1775 * simplify-rtx.c (simplify_unary_operation_1): Use it.
1777 2006-02-28 Jeff Law <law@redhat.com>
1779 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
1780 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
1781 the range allowed by TYPE_PRECISION.
1783 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
1785 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
1787 PR tree-optimization/26419
1788 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
1791 2006-02-27 Zack Weinberg <zackw@panix.com>
1793 * doc/md.texi: Fix typo in previous change.
1795 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
1799 2006-02-27 Zack Weinberg <zackw@panix.com>
1801 * rtl.def (define_constraint, define_register_constraint)
1802 (define_memory_constraint, define_address_constraint): New MD forms.
1803 * gensupport.c (process_rtx): Put define_constraint etc on the
1805 * genpreds.c (process_define_predicate): Adjust comment. Validate
1806 the name, and call validate_exp to validate the expression.
1807 (mark_mode_tests, write_extract_subexp): Can assume correct input.
1808 (write_predicate_expr): Likewise. NAME argument no longer necessary;
1809 all callers changed.
1810 (validate_exp, needs_variable, struct constraint_data)
1811 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
1812 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
1813 (const_dbl_constraints, constraint_max_namelen)
1814 (have_register_constraints, have_memory_constraints)
1815 (have_address_constraints, have_address_constraints)
1816 (have_extra_constraints, have_const_int_constraints)
1817 (have_const_dbl_constraints, mangle, add_constraint)
1818 (process_define_constraint, process_define_register_constraint)
1819 (write_enum_constraint_num, write_lookup_constraint)
1820 (write_insn_constraint_len, write_regclass_for_constraint)
1821 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
1822 (write_insn_extra_memory_constraint)
1823 (write_insn_extra_address_constraint)
1824 (write_satisfies_constraint_fns): New.
1825 (write_tm_preds_h): If we have new-style constraint definitions,
1826 prototype the functions generated from them, and define the
1827 old constraint interface (still used by generic code) in terms of
1829 (write_insn_preds_c): If we have new-style constraint definitions,
1830 generate all relevant functions from those definitions.
1831 (main): Handle define_constraint etc.
1832 * genoutput.c (struct constraint_data, indep_constraints)
1833 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
1834 (mdep_constraint_len): New data structures and functions, defined
1835 #ifdef USE_MD_CONSTRAINTS.
1836 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
1837 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
1838 use new logic to validate operand constraints against constraint
1840 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
1842 * defaults.h: If none of the old-style constraint macros are
1843 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
1844 old-style macros; and poison REG_CLASS_FROM_LETTER,
1845 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
1847 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
1848 * doc/md.texi: Document new constraint-definition mechanism and the
1849 C interface it provides. Remove references to old mechanism
1850 elsewhere in the document.
1851 (Machine Constraints): Use pathnames relative to gcc directory,
1852 i.e. config/ARCH/FILE. Change i386 section to refer to
1853 config/i386/predicates.md; update that section to match docstrings.
1854 * doc/tm.texi: Move all documentation of the old constraint-
1855 definition macros to their own section, clearly mark as obsolete.
1857 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
1858 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
1860 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
1861 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
1862 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
1864 (splits and peepholes): Use satisfies_constraint_*.
1865 * config/i386/i386.c (memory_address_length)
1866 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
1868 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1870 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
1871 scalar operation to be put back into the loop.
1873 2006-02-27 Jakub Jelinek <jakub@redhat.com>
1876 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
1877 (extract_cie_info): Handle S flag in augmentation string.
1878 (execute_cfa_program): If context->signal_frame, execute also
1879 fs->pc == context->ra instructions.
1880 (uw_frame_state_for): If context->signal_frame, don't subtract one
1881 from context->ra to find FDE.
1882 (uw_update_context_1): Set context->signal_frame to
1884 (_Unwind_GetIPInfo): New function.
1885 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
1886 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
1888 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
1889 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
1890 * unwind-compat.c (_Unwind_GetIPInfo): New function.
1891 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
1892 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
1893 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
1894 * config/i386/linux-unwind.h (x86_fallback_frame_state,
1895 x86_64_fallback_frame_state): Set fs->signal_frame.
1896 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
1897 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
1898 (frob_update_context): Likewise. Workaround missing S flag in
1899 Linux 2.6.12 - 2.6.16 kernel vDSOs.
1900 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
1901 Remove the psw_addr + 1 hack.
1903 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
1905 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
1906 with aggregates here.
1907 (find_func_aliases): Remove code for &<aggregate> from here.
1909 2006-02-26 Roger Sayle <roger@eyesopen.com>
1911 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
1912 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
1913 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
1916 2006-02-26 Roger Sayle <roger@eyesopen.com>
1919 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
1921 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
1923 * opts.c (decode_options): Do not handle flag_strength_reduce.
1924 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
1925 and OPT_fstrength_reduce.
1926 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
1927 flag_prefetch_loop_arrays for being nonzero.
1928 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
1930 (fprefetch-loop-arrays-rtl): Removed.
1931 (flag_prefetch_loop_arrays): Do not specify the value.
1933 * doc/passes.texi: Update documentation of loop optimizer
1935 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
1936 -frerun-loop-opt): Remove.
1938 2006-02-26 Richard Guenther <rguenther@suse.de>
1940 PR tree-optimization/26421
1941 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
1942 in function calls that are ADDR_EXPRs as using the whole structure.
1944 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
1946 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
1947 * tree-pass.h (pass_loop_optimize): Remove.
1948 * passes.c (pass_loop_optimize): Never run it.
1949 * toplev.c (backend_init): Don't call init_loop.
1950 * opts.c (flag_loop_optimize_set): Remove.
1951 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
1952 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
1953 the old RTL loop optimizer when profiling enabled.
1954 * predict.c (tree_estimate_probability): Always strip builtin_expect.
1955 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
1956 pre-headers for the sake of the old RTL loop optimizer.
1957 * Makefile.in: Remove all references to loop.o.
1959 * doc/invoke.texi: Remove all references to -floop-optimize
1960 and -frerun-loop-opt.
1962 2006-02-26 Zack Weinberg <zackw@panix.com>
1964 * doc/md.texi (Machine Constraints): Refer to all files with paths
1965 relative to gcc directory (i.e. config/CPU/file). Add missing
1966 @table @code ... @end table to M32C subsection.
1968 2006-02-26 Roger Sayle <roger@eyesopen.com>
1970 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
1972 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
1974 2006-02-26 Roger Sayle <roger@eyesopen.com>
1975 James A. Morrison <phython@gcc.gnu.org>
1978 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
1979 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
1980 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
1981 signedness of the shift operation.
1983 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
1985 PR tree-optimization/26359
1986 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
1988 2006-02-25 Roger Sayle <roger@eyesopen.com>
1990 * simplify-rtx.c (simplify_relational_operation_1): Simplify
1991 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
1992 as X == 0, and some symmetry related transformations.
1993 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
1995 2006-02-25 Roger Sayle <roger@eyesopen.com>
1998 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
1999 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
2000 symmetry related transformations. Fold (X^C1) == C2 as
2003 2006-02-25 Juergen Weigert <jw@suse.de>
2004 Richard Guenther <rguenther@suse.de>
2006 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
2008 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
2010 * combine.c (gen_lowpart_or_truncate): Call
2011 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
2013 2006-02-24 Diego Novillo <dnovillo@redhat.com>
2015 * doc/invoke.texi: Move -fopenmp description to "Options for
2017 Remove reference to -lgomp.
2019 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2021 * doc/install.texi: Require GNU tar version 1.14.
2023 2006-02-24 Geoffrey Keating <geoffk@apple.com>
2025 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
2026 * doc/invoke.texi (C++ Dialect Options): Document
2027 -fno-use-cxa-get-exception-ptr.
2028 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
2029 * configure: Regenerate.
2030 * c.opt (fuse-cxa-get-exception-ptr): New.
2031 * c-opts.c (c_common_handle_option): Handle
2032 OPT_fuse_cxa_get_exception_ptr.
2033 * c-common.c (flag_use_cxa_atexit): Update documentation.
2034 (flag_use_cxa_get_exception_ptr): New.
2035 * c-common.h (flag_use_cxa_get_exception_ptr): New.
2036 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
2038 (C_COMMON_OVERRIDE_OPTIONS): New.
2040 2006-02-24 Roger Sayle <roger@eyesopen.com>
2043 * combine.c (try_combine): Explicitly check whether GET_CODE is
2044 a SET or a CLOBBER, instead on checking that it isn't a USE.
2046 2006-02-24 Roger Sayle <roger@eyesopen.com>
2048 * fold-const.c (fold_comparison): New subroutine of fold_binary
2049 containing transformations common to both the equality and
2050 ordering relational operators, factored out of fold_binary.
2051 (fold_binary): Separate out the equality operators (EQ_EXPR
2052 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
2053 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
2054 transformations common to both.
2055 (fold_div_compare): Fix latent bugs in the previously unreachable
2056 LT_EXPR and GE_EXPR cases.
2058 2006-02-24 David Edelsohn <edelsohn@gnu.org>
2060 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
2061 decl libname for clog to __clog on AIX.
2063 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
2065 2006-02-24 Alan Modra <amodra@bigpond.net.au>
2068 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
2069 output traceback table for thunks. Localise rs6000_stack_info call.
2071 2006-02-23 Roger Sayle <roger@eyesopen.com>
2072 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2074 * gthr-posix.h (__gthrw): Fix typo in comment.
2076 2006-02-23 Geoffrey Keating <geoffk@apple.com>
2078 * doc/cpp.texi (Character sets): Document that we do support
2079 input files to be in any character set.
2081 2006-02-23 Jeff Law <law@redhat.com>
2083 * tree.h (PHI_ARG_NONZERO): Remove.
2084 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
2085 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
2086 node to the new node.
2088 PR tree-optimization/26425
2089 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
2090 min/max, then assume its varying.
2092 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2094 PR rtl-optimization/26316
2095 * rtlanal.c (enum may_trap_p_flags): New.
2096 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
2097 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
2098 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
2099 (may_trap_after_code_motion_p): New function.
2100 * loop-invariant.c (find_identical_invariants): Fix dump formating.
2101 (find_invariant_insn): Use may_trap_after_code_motion_p.
2102 * rtl.h (may_trap_after_code_motion_p): Declare.
2104 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
2106 * emit-rtl.c (immed_double_const): Cleanup.
2108 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
2110 Fix PR tree-optimization/26376
2111 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
2114 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2117 * gimplify.c (omp_add_variable): Guard variable size decl test with
2118 DECL_SIZE (decl) check.
2120 2006-02-23 Richard Guenther <rguenther@suse.de>
2123 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
2124 like aggregate types.
2126 2006-02-23 Jakub Jelinek <jakub@redhat.com>
2128 * configure.ac: Add --with{,out}-long-double-128 configure option.
2129 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
2130 * configure: Rebuilt.
2131 * config.in: Rebuilt.
2132 * doc/install.texi (Options specification): Document
2133 --with-long-double-128.
2135 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2136 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2137 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
2138 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
2140 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
2142 * config/s390/s390.c (override_options): Handle
2143 TARGET_DEFAULT_LONG_DOUBLE_128.
2145 * config/alpha/alpha.c (override_options): Handle
2146 TARGET_DEFAULT_LONG_DOUBLE_128.
2148 * config/sparc/sparc.c (sparc_override_options): Handle
2149 TARGET_DEFAULT_LONG_DOUBLE_128.
2151 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
2153 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
2154 (real-install-headers-tar, real-install-headers-cpio)
2155 (real-install-headers-cp): New targets.
2157 2006-02-22 Richard Sandiford <richard@codesourcery.com>
2159 * tree.h (variable_section): Delete.
2160 * varasm.c (variable_section): Delete.
2162 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
2164 * install.texi: Add notes on install.texi2html.
2165 (Building in parallel): Do not use footnotes.
2167 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
2170 * doc/install.texi (Configuration): Document --disable-libgomp.
2172 2006-02-21 Geoffrey Keating <geoffk@apple.com>
2174 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
2176 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2178 * config/i386/sse.md (vec_extractv2df_1_sse): New.
2179 (vec_extractv2df_0_sse): New.
2181 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
2183 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
2184 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
2185 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
2186 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
2187 to the result of the expression.
2188 (def_cfa_1): Adjust.
2189 (frame_pointer_cfa_offset): Rename to...
2190 (frame_pointer_fb_offset): ... this. Adjust all uses.
2191 (convert_cfa_to_loc_list): Rename to...
2192 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
2193 Pass it on to build_cfa_loc.
2194 (compute_frame_pointer_to_cfa_displacement): Rename to...
2195 (compute_frame_pointer_to_fb_displacement): ... this. New
2196 offset parameter. Use it in computation.
2197 (gen_subprogram_die): Compute cfa_fb_offset with the new
2198 macro, and use it to compute the fb loc list and the
2201 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
2203 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
2204 replaced with register_operand.
2205 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
2206 non-DREG is expensive.
2207 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
2208 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
2211 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
2213 * doc/install.texi2html: Use set -e.
2215 2006-02-21 Richard Sandiford <richard@codesourcery.com>
2217 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2218 (ASM_OUTPUT_SHARED_LOCAL): Delete.
2219 * doc/invoke.texi (-fshared-data): Delete.
2220 * common.opt (fshared-data): Delete.
2221 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
2222 (assemble_static_space): Remove #if 0 code.
2223 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
2224 (ASM_OUTPUT_SHARED_LOCAL): Poison.
2225 * config/cris/cris.h: Remove FIXME.
2227 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
2229 * doc/sourcebuild.texi (Front End Directory): No more double-colon
2232 2006-02-21 Jakub Jelinek <jakub@redhat.com>
2235 * combine.c (simplify_shift_const_1): Disable nested shifts
2236 optimization for vector shifts.
2238 2006-02-20 Roger Sayle <roger@eyesopen.com>
2240 PR tree-optimization/26361
2241 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
2242 of unsigned integer types.
2244 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
2246 * tree-chrec.c (eq_evolutions_p): New.
2247 * tree-chrec.h (eq_evolutions_p): Declared.
2248 * tree-data-ref.c: Fix formatting.
2249 (datadep_stats, dependence_stats): New.
2251 (print_direction_vector): New.
2252 (dump_data_dependence_relation): Use print_direction_vector.
2253 (object_analysis, create_data_ref): Handle COMPONENT_REF.
2254 (compute_subscript_distance): Static.
2255 (initialize_data_dependence_relation): Static. Get the number
2256 of loops surrounding the references from the callers, and initialize
2257 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
2258 base_object_differ_p analyzers.
2259 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
2260 compute_overlap_steps_for_affine_1_2,
2261 analyze_subscript_affine_affine): Count the classified dependences.
2262 Print a message when a test failed.
2263 (can_use_analyze_subscript_affine_affine): New.
2264 (analyze_siv_subscript): Compute the data dependences on symbolic
2265 scevs that verify can_use_analyze_subscript_affine_affine.
2266 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
2267 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
2268 Handle symbolic scevs.
2269 (analyze_overlapping_iterations): Let symbolic affine scevs to be
2271 (subscript_dependence_tester): Moved...
2272 (build_classic_dist_vector, build_classic_dir_vector): Don't use
2273 lambda_vector_clear on newly allocated vectors. Get nb_loops from
2274 DDR_SIZE_VECT instead of getting it in parameter.
2275 (subscript_dependence_tester): ... here. Take as a parameter
2276 loop_nest_depth. Call build_classic_dist_vector and
2277 build_classic_dir_vector.
2278 (compute_affine_dependence): Update subscript_dependence_tester
2279 parameters. Update datadep_stats counters. Call
2280 compute_subscript_distance.
2281 (compute_self_dependence): Save the dist and dir vectors. Call
2282 compute_subscript_distance.
2283 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
2284 (compute_all_dependences): Reorder parameters as they were before
2285 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
2286 compute_subscript_distance. Update the use of
2287 compute_affine_dependence and initialize_data_dependence_relation.
2288 (find_data_references_in_loop): Handle COMPONENT_REF.
2289 (compute_data_dependences_for_loop): Initialize dependence_stats.
2290 Don't call build_classic_dist_vector and build_classic_dir_vector.
2291 Update the parameters of initialize_data_dependence_relation and
2292 compute_all_dependences. Print the statistics from datadep_stats.
2293 (analyze_all_data_dependences): Static. Not used until the pass for
2294 checking the data dependences is contributed.
2295 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
2296 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
2297 (initialize_data_dependence_relation, compute_affine_dependence,
2298 analyze_all_data_dependences, compute_subscript_distance): Removed.
2299 (print_direction_vector): New.
2300 * lambda.h (gcd): ... here.
2301 (lambda_vector_gcd): Moved here from gcd_vector.
2302 * lambda-code.c (gcd, gcd_vector): Removed.
2303 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
2304 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
2306 2006-02-20 Diego Novillo <dnovillo@redhat.com>
2308 * ipa-type-escape.c: Tidy some comments and white space.
2309 * tree-ssa-operands.c: Likewise.
2311 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
2314 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
2315 (dump_decl_name): Do not walk the decl tree chains.
2316 * tree-pass.h (TDF_CHAIN): Remove.
2318 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2320 * Makefile.in (C): Remove
2322 (.PHONY): Remove C and PROTO
2324 2006-02-20 Roger Sayle <roger@eyesopen.com>
2327 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
2328 deprecated CHAR_TYPE tree code.
2330 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2332 * configure.ac (target_list): Add install-info, dvi, html.
2333 * configure: Regenerate.
2335 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
2336 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
2337 treelang/Make-lang.in: Do not use double-colon rules.
2339 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
2341 * tree.h (struct tree_memory_tag): Add is_used_alone member.
2342 (TMT_USED_ALONE): New macro.
2343 * tree-pass.h (PROP_tmt_usage): New property.
2344 (TODO_update_tmt_usage): New todo.
2345 * tree-ssa-alias.c (updating_used_alone): New variable.
2346 (recalculate_used_alone): New function.
2347 (compute_may_aliases): Set updating_used_alone, call
2348 recalculate_used_alone.
2349 * tree-sra.c (pass_sra): Note that this pass destroys
2350 PROP_tmt_usage, and add TODO_update_tmt_usage.
2351 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2352 * tree-flow.h (updating_used_alone): Prototype.
2353 (recalculate_used_alone): Ditto.
2354 * passes.c (execute_todo): Add code to set updating_used_alone,
2355 and call recalculate.
2356 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
2357 for clobber if used alone, and add assert to verify used_alone
2360 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
2362 * config/s390/s390.c (legitimize_pic_address): Assertions checking
2363 for non tls symbols added.
2364 (legitimize_address): Do nothing for PLUS expressions if one of the
2365 addends is a tls symbol reference.
2367 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
2371 * Makefile.in (LDFLAGS): Define from autoconf substitution.
2373 * Makefile.in (BOOTSTRAPPING): New.
2374 (quickstrap): New definition if BOOTSTRAPPING=yes.
2376 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
2377 * configure.ac: Substitute all_selected_languages with the languages
2378 that were configured. For all the other variables except
2379 lang_specs_files, include all the languages in the tree.
2380 * configure: Regenerate.
2382 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
2383 if there is one. Run the commands to run fixincludes in the same
2386 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
2387 * doc/install.texi: Document exact conventions for searching target tools.
2388 Document --with-build-time-tools. Document toplevel bootstrap. Document
2389 something more about building an Ada cross-compiler. Don't list GNU Make
2390 requirements which affect all platforms.
2392 2006-02-19 Roger Sayle <roger@eyesopen.com>
2395 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
2396 only equivalent if the have both the same mode and precision.
2398 2006-02-20 Ben Elliston <bje@au.ibm.com>
2400 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
2402 2006-02-19 Roger Sayle <roger@eyesopen.com>
2403 Steven Bosscher <stevenb.gcc@gmail.com>
2405 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
2406 constant pool references to identify stack mode constants.
2407 * rtlanal.c (constant_pool_constant_p): New predicate to check
2408 whether operand is a floating point constant in the pool.
2409 * rtl.h (constant_pool_constant_p): Prototype here.
2410 * loop.c (scan_loop): Avoid hoisting constants from the constant
2411 pool on STACK_REGS targets.
2412 (load_mems): Likewise.
2413 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
2414 loads into x87 registers expensive in terms of register pressure.
2416 2006-02-19 Roger Sayle <roger@eyesopen.com>
2418 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
2419 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
2421 2006-02-19 David Edelsohn <edelsohn@gnu.org>
2423 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
2424 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
2426 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
2428 * doc/invoke.texi: Document -fipa-pta.
2429 * common.opt: Add ipa-pta option.
2430 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
2431 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
2432 (do_ds_constraint): Ditto.
2433 (get_constraint_for): Only add to referenced_vars if
2434 referenced_vars exists.
2435 (insert_into_field_list): Rewrite to do this unsorted.
2436 (insert_into_field_list_sorted): Rename old insert_into_field_list
2438 (create_function_info_for): Use insert_into_field_list_sorted.
2439 (create_variable_info_for): Rewrite so it uses unsorted version,
2440 since the field list is sorted.
2441 (intra_create_variable_infos): Only add to referenced_vars if
2442 referenced_vars exists.
2443 (ipa_pta_execute): Init heapvars, and delete when done.
2444 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
2446 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2448 * doc/install.texi: Add missing `@samp'.
2450 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2452 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
2455 2006-02-18 Mark Wielaard <mark@klomp.org>
2457 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
2458 who added new 4.1 features, bug fixes and integration support.
2460 2006-02-18 David Edelsohn <edelsohn@gnu.org>
2463 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
2466 2006-02-18 Richard Sandiford <richard@codesourcery.com>
2468 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
2469 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
2470 (copy_insn_1): Likewise. Don't copy each field individually.
2472 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
2474 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
2475 * rtl.c (rtx_size): Rename variable to...
2476 (rtx_code_size): ...this.
2477 (rtx_size): New function.
2478 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
2479 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
2481 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
2482 * rtl.h (rtx_code_size): New variable.
2483 (rtx_size): Change from a variable to a function.
2484 (RTX_SIZE): Rename to...
2485 (RTX_CODE_SIZE): ...this.
2488 PR tree-optimization/17106
2489 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
2490 (Anchored Addresses): New section.
2491 * doc/invoke.texi (-fsection-anchors): Document.
2492 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
2493 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
2494 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
2495 * hooks.c (hook_bool_mode_rtx_false): New function.
2496 * hooks.h (hook_bool_mode_rtx_false): Declare.
2497 * gengtype.c (create_optional_field): New function.
2498 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
2499 SYMBOL_REF_IN_BLOCK_P is true.
2500 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
2501 (min_anchor_offset, max_anchor_offset): Likewise.
2502 (use_anchors_for_symbol_p): New hook.
2503 * toplev.c (compile_file): Call output_object_blocks.
2504 (target_supports_section_anchors_p): New function.
2505 (process_options): Check that -fsection-anchors is only used on
2506 targets that support it and when -funit-at-a-time is in effect.
2507 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
2508 if the decl doesn't have one.
2509 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
2510 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
2511 of force_const_mem through use_anchored_address.
2512 (expand_expr_constant): New function.
2513 (expand_expr_addr_expr_1): Call it. Use the same modifier when
2514 calling expand_expr for INDIRECT_REF.
2515 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
2516 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
2517 * expr.h (use_anchored_address): Declare.
2518 * loop-unroll.c: Don't declare rtx vectors here.
2519 * explow.c: Include output.h.
2520 (validize_mem): Call use_anchored_address.
2521 (use_anchored_address): New function.
2522 * common.opt (-fsection-anchors): New switch.
2523 * varasm.c (object_block_htab, anchor_labelno): New variables.
2524 (hash_section, object_block_entry_eq, object_block_entry_hash)
2525 (use_object_blocks_p, get_block_for_section, create_block_symbol)
2526 (use_blocks_for_decl_p, change_symbol_section): New functions.
2527 (get_variable_section): New function, split out from assemble_variable.
2528 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
2529 use_blocks_for_decl_p say so. Use change_symbol_section if the
2530 symbol has already been created.
2531 (assemble_variable_contents): New function, split out from...
2532 (assemble_variable): ...here. Don't output any code for
2533 block symbols; just pass them to place_block_symbol.
2534 Use get_variable_section and assemble_variable_contents.
2535 (get_constant_alignment, get_constant_section, get_constant_size): New
2536 functions, split from output_constant_def_contents.
2537 (build_constant_desc): Create a block symbol if use_object_blocks_p
2538 says so. Or into SYMBOL_REF_FLAGS.
2539 (assemble_constant_contents): New function, split from...
2540 (output_constant_def_contents): ...here. Don't output any code
2541 for block symbols; just pass them to place_section_symbol.
2542 Use get_constant_section and get_constant_alignment.
2543 (force_const_mem): Create a block symbol if use_object_blocks_p and
2544 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
2545 (output_constant_pool_1): Add an explicit alignment argument.
2546 Don't switch sections here.
2547 (output_constant_pool): Adjust call to output_constant_pool_1.
2548 Switch sections here instead. Don't output anything for block symbols;
2549 just pass them to place_block_symbol.
2550 (init_varasm_once): Initialize object_block_htab.
2551 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
2552 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
2553 (place_block_symbol, get_section_anchor, output_object_block)
2554 (output_object_block_htab, output_object_blocks): New functions.
2555 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
2556 (TARGET_ASM_OUT): Include it.
2557 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
2558 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
2559 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
2560 (TARGET_INITIALIZER): Include them.
2561 * rtl.c (rtl_check_failed_block_symbol): New function.
2562 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
2563 (block_symbol, object_block): New structures.
2564 (rtx_def): Add a block_symbol field to the union.
2565 (BLOCK_SYMBOL_CHECK): New macro.
2566 (rtl_check_failed_block_symbol): Declare.
2567 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
2568 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
2569 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
2570 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
2571 * output.h (output_section_symbols): Declare.
2572 (object_block): Name structure.
2573 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
2574 (default_use_anchors_for_symbol_p): Declare.
2575 * Makefile.in (RTL_BASE_H): Add vec.h.
2576 (explow.o): Depend on output.h.
2577 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
2578 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2579 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2580 (rs6000_use_blocks_for_constant_p): New function.
2582 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2584 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
2586 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
2589 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
2592 2006-02-18 Diego Novillo <dnovillo@redhat.com>
2594 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
2598 2006-02-18 Jakub Jelinek <jakub@redhat.com>
2601 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
2602 instead of DECL_REGISTER.
2604 2006-02-18 Olivier Hainque <hainque@adacore.com>
2607 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
2609 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
2612 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
2613 * opth-gen.awk: Handle Var and InverseMask together.
2614 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
2615 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
2616 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
2617 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
2619 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2620 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2621 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
2622 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2623 LINUX_DYNAMIC_LINKER): Define.
2624 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
2625 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
2627 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2628 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
2629 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2630 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2631 (TARGET_C99_FUNCTIONS): Don't define.
2632 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
2633 GLIBC_DYNAMIC_LINKER.
2634 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
2635 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
2636 GLIBC_DYNAMIC_LINKER64): Define.
2637 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2638 LINUX_DYNAMIC_LINKER64.
2639 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2640 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2641 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
2642 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2643 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2644 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2645 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
2646 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
2647 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
2648 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
2649 and LINUX_DYNAMIC_LINKER32.
2650 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2651 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2652 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
2653 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2654 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
2656 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
2657 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
2658 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
2659 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2660 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2661 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
2662 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
2663 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
2664 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2665 LINUX_DYNAMIC_LINKER): Define.
2666 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
2667 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
2668 GLIBC_DYNAMIC_LINKER64): Define.
2669 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
2670 LINUX_DYNAMIC_LINKER64.
2671 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2672 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2673 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
2674 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
2675 LINUX_DYNAMIC_LINKER): Define.
2676 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2677 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2678 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
2679 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
2680 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
2681 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
2682 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
2683 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
2684 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
2685 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2686 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2687 * doc/invoke.texi (-muclibc): Remove caveat about supported
2690 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
2692 * doc/cpp.texi (__TIMESTAMP__): Document.
2694 2006-02-17 Roger Sayle <roger@eyesopen.com>
2697 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
2698 C is one less than the width of X (and related transformations).
2699 * simplify-rtx.c (simplify_unary_operation_1): Transform
2700 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
2701 depending on STORE_FLAG_VALUE, were C is one less then the
2704 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
2706 Fix PR tree-optimization/26341
2707 * tree-ssa-operands.c (add_virtual_operand): Remove assert
2708 about NAME_MEMORY_TAG's.
2710 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2713 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
2714 with hardware float support, and software float support. Add fcpy
2715 alternative to hardware patterns. Add alternatives to copy between
2716 general and floating-point registers to the 32-bit pattern.
2717 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
2718 secondary reload to load a QI or HI mode constant into a floating
2720 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
2721 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
2723 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
2726 * config/rs6000/darwin.md (load_macho_picbase_si): Add
2728 (load_macho_picbase_di): Likewise.
2730 2006-02-16 Jeff Law <law@redhat.com>
2732 * tree-vrp.c (set_value_range_to_nonnegative): New function.
2733 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
2734 (ssa_name_nonzero_p): Likewise.
2735 (get_value_range): Return NULL if VRP is not running.
2736 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
2737 VRP routines do not discover a range.
2738 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
2739 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
2740 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
2741 (tree_expr_nonnegative_p): Similarly.
2742 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
2743 (restore_nonzero_vars_to_original_value): Remove.
2744 (unsafe_associative_fp_binop): Remove.
2745 (tree_ssa_dominator_optimize): Remove initialization and
2746 finalization of nonzero_vars and nonzero_vars_stack.
2747 (dom_opt_initialize_block): No longer push marker on
2749 (dom_opt_finalize_block): No longer call
2750 restore_nonzero_vars_to_original_value.
2751 (record_equivalences_from_phis): No longer look for
2752 nonzero PHI arguments.
2753 (cprop_into_successor_phis): No longer propagate nonzero
2754 property into PHI arguments. Lose unused argument. Caller
2756 (record_equivalences_from_stmt): No longer record nonzero
2757 values for SSA_NAMEs.
2758 (lookup_avail_expr): No longer use nonzero_vars.
2760 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
2761 for sizetype when sizetype is unsigned.
2763 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
2765 PR rtl-optimization/25603
2766 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
2767 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
2768 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
2769 with new meaning of SETS.
2771 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
2776 * config/linux.opt: New file.
2777 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
2778 LINUX_DYNAMIC_LINKER): Define.
2779 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
2780 * config.gcc (*-*-linux*): Define extra_options.
2781 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
2782 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
2783 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
2784 GLIBC_DYNAMIC_LINKER.
2785 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
2786 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2787 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
2788 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
2789 * doc/invoke.texi (GNU/Linux Options): New section.
2791 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2793 * config/sparc/sparc.md (setjmp): Rewrite.
2794 (setjmp_32): Delete.
2795 (setjmp_64): Likewise.
2797 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
2799 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
2802 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2804 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
2807 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
2809 PR rtl-optimization/26296
2810 * Makefile.in (loop-invariant.c): Add except.h dependency.
2811 * loop-invariant.c: Include except.h.
2812 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
2814 2005-02-16 Paul Brook <paul@codesourcery.com>
2816 * reload1.c (emit_reload_insns): Invalidate dead input registers used
2819 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
2821 PR rtl-optimization/25636
2822 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
2823 when deciding whether an insn is an initializing insn.
2825 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
2827 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
2828 (tree_code_size): Ditto.
2829 * tree.h (struct tree_memory_tag): Remove parent_var.
2830 (struct tree_struct_field_tag): New.
2833 (union tree_node): Add sft member.
2834 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
2836 (create_sft): Add size and offset argument, set SFT_OFFSET and
2838 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
2839 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
2840 * tree-flow-inline.h (get_subvar_at): Update for
2841 SFT_OFFSET/SFT_SIZE.
2842 (var_can_have_subvars): Ditto.
2843 (overlap_subvar): Ditto.
2844 * print-tree.c (print_node): Print out interesting things for
2846 * tree-flow.h (struct subvar): Remove offset and size members.
2847 * tree-ssa-operands.c (get_expr_operands): Update for
2848 get_indirect_ref_operands changes.
2849 (get_indirect_ref_operands): Call add_virtual_operand instead of
2850 add_stmt_operand. Only recurse on base var if requested.
2851 (access_can_touch_variable): New function.
2852 (add_stmt_operand): Split virtual operand handling into ...
2853 (add_virtual_operand): Here. Add offset, size, and for_clobber
2854 arguments. Prune alias sets.
2855 (add_call_clobber_ops): Call add_virtual_operand.
2857 2006-02-15 Jakub Jelinek <jakub@redhat.com>
2860 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
2862 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
2863 than TREE_CODE as index into omp_clause_num_ops array.
2865 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
2867 PR rtl-optimization/26184
2868 * modulo-sched.c (generate_reg_moves): Free bitmap vector
2870 * modulo-sched.c (sms_schedule): Free g_arr pointer.
2871 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
2872 must_precede, must_follow and tobe_scheduled.
2875 * opts.c (common_handle_option): Free new_option pointer.
2876 * df-core.c (df_analyze): Free postorder pointer.
2878 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
2880 * Makefile.in: Fix the examples about the use of stamps
2882 2006-02-15 Michael Matz <matz@suse.de>
2886 * stor-layout.c (layout_decl): Zero-width bitfields aren't
2887 influenced by maximum_field_alignment or DECL_PACKED.
2888 (update_alignment_for_field): Ditto.
2889 (place_field): Ditto.
2890 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
2893 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
2895 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
2896 (debug_flow_info): Pass it.
2897 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
2898 * bb-reorder.c (reorder_basic_blocks): Likewise.
2899 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
2900 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
2901 * flow.c (life_analysis, recompute_reg_usage): Likewise.
2902 * gcse.c (gcse_main, bypass_jumps): Likewise.
2903 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
2904 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
2905 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
2906 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
2907 * rtl.h (dump_flow_info): Adjust prototype.
2908 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
2909 * var-tracking.c (variable_tracking_main): Likewise.
2910 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
2911 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
2914 2006-02-15 Marcin Dalecki <martin@dalecki.de>
2916 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
2919 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2921 PR tree-optimization/26209
2922 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
2923 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
2925 * tree-cfg.c (replace_uses_by): Do not alter cfg.
2927 2006-02-14 Roger Sayle <roger@eyesopen.com>
2930 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
2931 (X,Y) and the corresponding symmetry related transformations.
2932 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
2933 (X,Y) and its symmetry related transformations.
2935 2006-02-14 Roger Sayle <roger@eyesopen.com>
2937 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
2940 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
2942 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
2944 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2947 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
2948 support COMDAT group.
2949 * configure: Regenerate.
2951 2006-02-14 Roger Sayle <roger@eyesopen.com>
2956 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
2958 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
2960 Fix PR tree-optimization/26260
2962 * doc/invoke.texi (max-fields-for-field-sensitive): Document
2964 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
2965 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
2966 * tree-ssa-structalias.c (create_variable_info_for): Use
2967 MAX_FIELDS_FOR_FIELD_SENSITIVE.
2969 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
2971 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
2973 * tree-ssa-loop-niter.c (number_of_iterations_ne,
2974 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
2975 of the ending condition.
2976 * tree-ssa-loop-manip.c: Include params.h.
2977 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
2978 tree_unroll_loop): New functions.
2979 * tree-pass.h (pass_loop_prefetch): Declare.
2980 * loop.c (rest_of_handle_loop_optimize): Test for
2981 -fprefetch-loop-arrays-rtl.
2982 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
2983 * timevar.def (TV_TREE_PREFETCH): New timevar.
2984 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
2985 pass_loop_prefetch): New.
2986 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
2987 (cleanup_tree_cfg_loop): Call scev_reset.
2988 * common.opt (fprefetch-loop-arrays-rtl): Add.
2989 * tree-ssa-loop-prefetch.c: New file.
2990 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
2991 (new_temp_expr_table): Initialize expr_vars.
2992 (free_temp_expr_table): Cleanup expr_vars.
2993 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
2994 expressions from being merged into one.
2995 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
2996 (struct tree_niter_desc): Add control, bound and cmp fields.
2997 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
2999 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
3000 (tree-cfgcleanup.o): Add SCEV_H dependency.
3001 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
3002 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
3004 2006-02-14 Richard Guenther <rguenther@suse.de>
3006 PR tree-optimization/26258
3007 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
3008 in PHI argument processing.
3010 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
3012 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
3013 new expression in the requested machine mode.
3015 2006-02-13 Roger Sayle <roger@eyesopen.com>
3017 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
3018 directly, instead let do_compare_rtx_and_jump handle this for us.
3019 * expr.c (expand_expr_real_1): Likewise.
3020 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
3021 before do_jump_by_parts_greater.
3022 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
3023 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
3025 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3027 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
3029 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3031 PR rtl-optimization/26235
3032 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
3033 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
3036 2006-02-13 Jeff Law <law@redhat.com>
3038 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
3041 2006-02-13 Jakub Jelinek <jakub@redhat.com>
3044 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
3045 twice if decl is a builtin. When trying again, call get_callee_fndecl
3046 first to verify it is still a builtin.
3048 2006-02-13 Geoffrey Keating <geoffk@apple.com>
3050 * dwarf2out.c (base_type_die): Don't add AT_name here.
3051 (subrange_type_die): Don't add AT_name here.
3052 (modified_type_die): Rearrange code flow. Do add AT_name here.
3054 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
3056 PR rtl-optimization/26247
3057 PR rtl-optimization/26248
3058 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
3060 2006-02-13 Richard Sandiford <richard@codesourcery.com>
3062 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
3063 * config/fixtfdi.c: Likewise.
3064 * config/fixunstfdi.c: Likewise.
3065 * config/floatditf.c: Likewise.
3067 2006-02-13 Roger Sayle <roger@eyesopen.com>
3070 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
3071 into (X,C2) if C1 is a subset of the bits of C2. Transform
3072 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
3074 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
3076 2006-02-13 Josh Conner <jconner@apple.com>
3079 * varasm.c (function_section): Check for section name before
3080 calling select_section on targets that define
3081 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
3082 unlikely_text_section instead of hot_function_section if
3083 first_function_block_is_cold.
3085 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
3088 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
3090 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3092 PR rtl-optimization/26222
3093 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
3094 after tree->rtl expansion.
3095 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
3096 before passing it to emit_move_insn.
3098 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
3100 * doc/invoke.texi (-Write-strings): Document that it is enabled by
3102 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
3103 Clarify documentation.
3104 * c-common.h (warn_write_strings): Remove.
3105 * c-common.c (warn_write_strings): Likewise.
3106 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
3109 2006-02-12 Roger Sayle <roger@eyesopen.com>
3112 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
3113 (do_jump_parts_zero_rtx): New function renamed from
3114 do_jump_parts_equality_rtx. Made static. Add a mode argument.
3115 (do_jump_parts_equality_rtx): New function split out from
3116 do_jump_parts_equality. Old implementation renamed as above.
3117 Call do_jump_parts_zero_rtx if either operand is zero.
3118 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
3119 do all of the heavy lifting.
3120 (do_compare_rtx_and_jump): Handle multi-word comparisons by
3121 calling either do_jump_by_parts_greater_rtx or
3122 do_jump_by_parts_equality_rtx.
3123 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
3124 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
3125 moved to do_compare_rtx_and_jump, call it directly.
3126 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
3127 mode argument. Call do_compare_rtx_and_jump.
3128 (emit_case_nodes): Update calls to do_jump_if_equal.
3130 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3132 PR rtl-optimization/26225
3133 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
3135 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
3137 PR rtl-optimization/26232
3138 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
3140 2006-02-11 Jason Merrill <jason@redhat.com>
3143 * tree-inline.c (declare_return_variable): Just don't use the
3144 modify target if it's a gimple complex reg and the return slot
3147 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3149 * doc/contrib.texi: Update my entry.
3151 2006-02-10 Geoffrey Keating <geoffk@apple.com>
3153 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
3155 2006-02-10 Diego Novillo <dnovillo@redhat.com>
3157 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
3160 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
3162 * doc/invoke.texi (-floop-optimize2): Removed.
3163 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
3164 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
3165 Test flag_branch_on_count_reg only if HAVE_doloop_end.
3166 * common.opt (floop-optimize2): Removed.
3167 (fmove-loop-invariants): Enabled by default.
3169 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
3171 * tree-if-conv.c (combine_blocks): Free the result of
3172 get_loop_exit_edges.
3174 2006-02-10 Jeff Law <law@redhat.com>
3176 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
3178 PR tree-optimization/26213
3179 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
3180 loop trying to follow SSA_NAME_VALUE chains.
3182 2006-02-10 Richard Guenther <rguenther@suse.de>
3184 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
3185 deal with structures that end in implicitly variable sized arrays.
3187 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3189 PR rtl-optimization/24762
3190 * df-scan.c (df_bb_refs_record): Record correct registers defined on
3193 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
3195 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
3196 (struct ivopts_data): Add regs_used field.
3197 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
3198 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
3199 instead of loop_data->regs_used;
3200 (free_loop_data): Do not free aux fields for loops.
3201 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
3202 and tree_ssa_iv_optimize_finalize.
3204 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
3206 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
3208 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3211 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
3212 computing the effective result type.
3214 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
3217 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
3218 (tree_overlaps_hard_reg_set): Declare.
3219 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
3220 type and signature to match function type expected by walk_tree.
3221 (tree_overlaps_hard_reg_set): New function.
3222 (decl_conflicts_with_clobbers_p): Rename to:
3223 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
3224 Use tree_overlaps_hard_reg_set. Changed caller.
3225 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
3226 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
3227 * cris.c (cris_md_asm_clobbers): Likewise.
3229 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
3231 * reload1.c (emit_input_reload_insns): Delete code that tries to
3232 inherit using find_equiv_reg.
3234 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
3236 * c-common.h (flag_const_strings): Don't declare.
3237 * c-common.c (flag_const_strings): Remove.
3238 * c.opt (fconst_strings): Remove.
3239 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
3240 <OPT_Wwrite_strings>: Don't set flag_const_strings.
3241 (c_common_init_options): Don't set flag_const_strings.
3242 * doc/invoke.texi (-fno-const-strings): Remove documentation.
3244 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
3246 * arm.md (tlobits_cbranch): New pattern.
3247 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
3248 testing a single bit.
3250 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3253 * tree-ssa-pre.c (create_component_ref_by_pieces):
3254 Handle RETURN_DECL like VAR_DECL.
3256 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3259 * fold-const.c (fold_indirect_ref_1): Fold
3260 "*(foo *)&complexfoo" to "__real__ complexfoo"
3261 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
3263 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
3265 * tree-flow-inline.h (var_can_have_subvars):
3266 Volatile variables should not have subvariables.
3268 2006-02-09 Diego Novillo <dnovillo@redhat.com>
3271 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
3272 multiplying unsigned values.
3275 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
3277 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
3279 2006-02-08 Jason Merrill <jason@redhat.com>
3282 * tree.def: Elaborate on difference from MODIFY_EXPR.
3283 * doc/c-tree.texi (INIT_EXPR): Likewise.
3284 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
3285 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
3286 (gimplify_target_expr): Likewise.
3287 (gimplify_cond_expr): Remove target handling.
3288 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
3289 (gimplify_expr): Clobber it here.
3290 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
3291 Do return slot optimization if we have an INIT_EXPR.
3294 * tree-inline.c (declare_return_variable): Also clear
3295 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
3298 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
3301 * gimplify.c (gimplify_one_sizepos): Fix typo.
3303 2006-02-08 Jeff Law <law@redhat.com>
3305 PR tree-optimization/21417
3306 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
3307 across a backedge if the control statement at the end of the
3308 block is data dependent on other statements in the same block.
3309 (record_temporary_equivalences_from_stmts): Remove over-conservative
3310 test for threading across backedges.
3312 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
3313 control statement, handle all three special cases in the same
3314 manner as they all have the same desired solution. No longer
3315 special case edge flag updating when the post dominator is
3318 2006-02-08 Roger Sayle <roger@eyesopen.com>
3320 * tree.def (CHAR_TYPE): Remove.
3321 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
3322 * dwarf2out.c (base_type_die, is_base_type): Likewise.
3323 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
3324 (gen_string_type_die): Delete unreachable function.
3326 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
3327 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
3328 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
3329 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
3330 * builtins.c (type_to_class): Likewise.
3331 * fold-const.c (fold_convert, build_range_check,
3332 merge_ranges): Likewise.
3333 * expr.c (count_type_elements): Likewise.
3334 * c-pretty-print.c (pp_c_type_specifier): Likewise.
3335 * stor-layout.c (layout_type): Likewise.
3336 * ipa-type-escape.c (type_to_consider): Likewise.
3337 * gimplify.c (omp_firstprivatize_type_sizes,
3338 gimplify_type_sizes): Likewise.
3339 * explow.c (promote_mode): Likewise.
3340 * tree-sra.c (is_sra_scalar_type): Likewise.
3341 * varasm.c (output_constant): Likewise.
3342 * tree-inline.c (remap_type_1): Likewise.
3343 * convert.c (convert_to_pointer, convert_to_real,
3344 convert_to_integer, convert_to_complex): Likewise.
3346 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
3348 * df-scan.c (df_def_record_1): A set destination may
3349 be a parallel regardless of mode.
3351 2006-02-08 Roger Sayle <roger@eyesopen.com>
3354 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
3355 * config/mips/_tilib.c: Remove.
3356 * config/fixtfdi.c: New libgcc source file.
3357 * config/fixunstfdi.c: New source file.
3358 * config/floatditf.c: New source file.
3359 * config/floatunditf.c: New souce file.
3360 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3361 files above instead of config/mips/_tilib.c.
3362 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3364 2006-02-08 Jeff Law <law@redhat.com>
3366 PR tree-optimization/26169
3367 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
3370 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
3372 * df.h (DF_REG_SIZE): Return the length of the initialized
3375 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
3377 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
3378 __muldf3): Return a correctly signed zero.
3380 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
3382 * passes.c (register_one_dump_file): Accept the current properties
3383 instead of pass number. Adjust call to dump_register. Remove
3385 (register_dump_files): Now a wrapper around...
3386 (register_dump_files_1): ... this one. Do not modify the pass
3388 (next_pass_1): Cosmetic fix.
3389 (execute_todo): Keep second parameter only. Use curr_properties
3390 instead of fetching it from the pass structure. Check and set
3392 (execute_one_pass): Handle TODO_set_props. Use curr_properties
3393 instead of fetching it from the pass structure. Fix calls to
3394 execute_todo. Update curr_properties and initialize .vcg RTL dump
3395 after running the pass. Reset last_verified.
3396 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
3398 (FIRST_AUTO_NUMBERED_DUMP): New.
3399 (dump_register): Remove "num" parameter, assign it within the
3401 (get_dump_file_name): Modify template for dumps.
3402 * tree-dump.h (dump_register): Adjust prototype.
3403 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
3404 (PROP_trees): Add PROP_gimple_lomp.
3405 (TODO_set_props): New.
3406 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
3407 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
3408 * cfgexpand.c (pass_expand): Destroy PROP_trees.
3410 2006-02-08 Jakub Jelinek <jakub@redhat.com>
3412 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
3413 (sparc64-*-linux*): Likewise.
3414 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
3415 * config/sparc/t-linux: New file.
3416 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
3417 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
3418 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
3419 -m32 -mlong-double-128.
3421 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
3422 * config/alpha/t-linux: New file.
3423 * config/alpha/libgcc-alpha-ldbl.ver: New file.
3425 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
3426 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
3427 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
3428 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
3429 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
3430 (CPP_ARCH32_SPEC): Remove.
3432 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
3434 PR tree-optimization/26145
3435 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
3438 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3441 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
3442 >= 240000 when generating code for SOM runtime.
3443 (output_indirect_call): Don't use "b,l" instruction for indirect calls
3444 to $$dyncall when generating code for SOM runtime..
3446 2006-02-07 Dirk Mueller <dmueller@suse.com>
3449 * doc/invoke.texi (-Wsequence-point): Update documentation
3450 that -Wsequence-point is implemented for C++ as well.
3452 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3454 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
3455 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
3456 (LIB_SPEC): Likewise.
3457 * doc/invoke.texi (SPARC options): Document -pthread.
3459 2006-02-07 Geoffrey Keating <geoffk@apple.com>
3461 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
3464 2006-02-07 Roger Sayle <roger@eyesopen.com>
3466 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
3467 Correct comment describing BOOLEAN_TYPE.
3469 2006-02-07 Dirk Mueller <dmueller@suse.com>
3471 * c.opt: C++ frontend supports -Wdiv-by-zero.
3472 * c-opts.c (c_common_handle_option): Remove dead case.
3474 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3476 * configure.ac (TLS assembler check): Do not enable TLS by
3477 default on SPARC/Solaris before version 10.
3478 * configure: Regenerate.
3480 2006-02-07 David Edelsohn <edelsohn@gnu.org>
3482 * doc/invoke.texi (xl-compat): Document conversion and support
3485 2006-02-07 Jeff Law <law@redhat.com>
3487 * tree-vrp.c (find_conditional_asserts): Update comments.
3488 (simplify_stmt_for_jump_threading): New.
3489 (identify_jump_threads, finalize_jump_threads): New.
3490 (vrp_finalize): Call identify_jump_threads.
3491 (execute_vrp): Call finalize_jump_threads.
3492 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
3493 (vrp_element, vrp_data, vrp_element_p): Remove.
3494 (vrp_hash_elt, vrp_variables_stack): Remove.
3495 (vrp_hash, vrp_eq, record_range): Remove.
3496 (simplify_cond_and_lookup_avail_expr): Remove.
3497 (extract_range_from_cond): Remove.
3498 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
3499 (simplify_stmt_for_jump_threading): New.
3500 (dom_thread_across_edge): New wrapper.
3501 (tree_ssa_dominator_optimize): No longer initialize or
3502 finalize any of the VRP datastructures. Remove iteration
3503 step and simplify as a result of removal of iteration step.
3504 (pass_dominator): Perform a cfg cleanup after DOM.
3505 (dom_opt_finalize_block): Use the new common routines
3506 for threading jumps. Simplify stack management slightly.
3507 No longer need to unwind VRP state.
3508 (record_equivalences_from_incoming_edge): No longer record
3510 (eliminate_redundant_computations): No longer call
3511 simplify_cond_and_lookup_avail_expr.
3512 * tree-flow.h (potentially_threadable_block): Prototype.
3513 (thread_across_edge): Likewise.
3514 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
3515 (tree-ssa-threadedge.o): Add dependencies.
3516 * tree-ssa-threadedge.c: New file.
3517 * passes.c (init_optimization_passes): Merge PHIs before
3518 calling VRP. Run VRP again late in the SSA optimization pipeline.
3520 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3522 * df-core.c (df_set_blocks): Do not dereference function pointers.
3523 (df_finish1): Likewise.
3524 (df_hybrid_search_forward): Likewise.
3525 (df_hybrid_search_backward): Likewise.
3526 (df_iterative_dataflow): Likewise.
3527 (df_analyze_problem): Likewise.
3528 (df_compact_blocks): Likewise.
3529 (df_dump): Likewise.
3530 * df-scan.c (df_rescan_blocks): Likewise.
3531 (df_record_entry_block_defs): Likewise.
3533 * genconditions.c (write_conditions): Guard the definition of
3534 'insn_conditions' with the check on GCC version.
3535 (write_writer): Guard the traversal 'insn_conditions' with
3536 the check on GCC version.
3538 2006-02-07 Richard Guenther <rguenther@suse.de>
3542 2006-01-30 Richard Guenther <rguenther@suse.de>
3544 * gimplify.c (gimplify_target_expr): Handle easy cases
3545 without creating a temporary.
3547 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
3549 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
3550 use of float in probability computations. Use edge probabilities
3551 in place of statically computed probabilities.
3552 (min_spec_prob): New static variable.
3553 (schedule_insns): Initialize it.
3554 (GET_SRC_PROB): Removed.
3555 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
3557 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
3560 * config/ia64/unwind-ia64.c: Revert last change.
3561 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
3562 (INCOMING_FRAME_SP_OFFSET): Define.
3564 2006-02-06 Roger Sayle <roger@eyesopen.com>
3566 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
3568 2006-02-07 Ben Elliston <bje@au.ibm.com>
3570 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
3571 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
3572 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
3573 (ix86_return_in_memory): Handle TDmode.
3574 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
3575 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
3577 2006-02-06 Richard Sandiford <richard@codesourcery.com>
3579 * reorg.c (dbr_schedule): Use dump_file instead of file.
3581 2006-02-06 Steve Ellcey <sje@cup.hp.com>
3584 * config/ia64/predicates.md (extr_len_operand): New predicate.
3585 * config/ia64/ia64.md (extv): Tighten constraints.
3587 (*tbit_and_2): Ditto.
3588 (*tbit_and_3): Ditto.
3589 (*tbit_or_2): Ditto.
3590 (*tbit_or_3): Ditto.
3594 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
3597 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
3599 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
3601 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
3602 loop_optimizer_init and loop_optimizer_finalize
3603 * tree-ssa-sink.c (execute_sink_code): Ditto.
3604 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3605 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
3606 tree_ssa_loop_done): Ditto.
3607 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
3608 * sched-ebb.c: Include output.h.
3609 (schedule_ebbs): Do not use dump argument.
3610 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
3611 * loop.c (loop_dump_stream): Removed.
3612 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
3614 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
3615 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
3616 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
3617 loop_iterations, strength_reduce, record_biv, record_giv,
3618 final_giv_value, check_final_value, check_ext_dependent_givs,
3619 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
3620 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
3621 dump_file instead of loop_dump_stream.
3622 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
3624 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
3626 * flow.c (life_analysis, rest_of_handle_life): Ditto.
3627 * haifa-sched.c: Include output.h
3628 (schedule_insns, sched_init): Do not use dump argument.
3629 * mode-switching.c (optimize_mode_switching): Ditto.
3630 * modulo-sched.c (stats_file): Removed.
3631 (print_node_sched_params): Do not call argument dump_file.
3632 (sms_schedule_by_order, loop_canon_p, sms_schedule,
3633 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
3635 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
3637 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
3638 rtl_loop_init, rtl_loop_done): Ditto.
3639 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
3640 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
3642 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
3643 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
3644 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
3645 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
3646 * emit-rtl.c (renumber_insns): Ditto.
3647 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
3648 expand_gimple_basic_block, tree_expand_cfg): Ditto.
3649 * regclass.c (regclass): Ditto.
3650 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
3651 remove_ssa_form, rewrite_out_of_ssa): Ditto.
3652 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
3653 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
3655 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
3656 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
3658 * gcse.c (gcse_file, debug_stderr): Removed.
3659 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
3660 rest_of_handle_gcse): Do not use dump argument.
3661 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
3662 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
3663 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
3664 compute_code_hoist_vbeinout, compute_code_hoist_data,
3665 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
3666 compute_store_table, build_store_vectors, insert_insn_start_bb,
3667 insert_store, remove_reachable_equiv_notes, replace_store_insn,
3668 store_motion): Use dump_file instead of gcse_file.
3669 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
3670 * profile.c (profile_dump_file): Removed.
3671 (branch_prob): Use dump_file instead of profile_dump_file.
3672 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
3674 * tree-ssa-copy.c (dump_copy_of): Ditto.
3675 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
3676 dump file to life_analysis.
3677 * bt-load.c (branch_target_load_optimize): Ditto.
3678 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
3680 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
3681 regclass, dbr_schedule): Declaration changed.
3682 * sched-int.h (sched_init): Declaration changed.
3683 * tree-profile.c (tree_profile_dump_file): Removed.
3684 (tree_profile_hooks): Removed profile_dump_file hook.
3685 * rtl-profile (rtl_profile_dump_file): Removed.
3686 (rtl_profile_hooks): emoved profile_dump_file hook.
3687 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
3689 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
3690 * tree-cfg.c (build_tree_cfg): Ditto.
3691 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
3692 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
3693 Declaration changed.
3694 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
3695 life_analysis and schedule_insns.
3696 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
3698 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
3700 * config/mips/mips.c (mips_reorg): Ditto.
3701 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
3704 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
3706 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3707 (s390_mangle_fundamental_type): New.
3708 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3711 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3712 (alpha_mangle_fundamental_type): New.
3713 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3716 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3718 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
3720 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
3721 (sparc_mangle_fundamental_type): New.
3723 2006-02-06 Jakub Jelinek <jakub@redhat.com>
3725 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
3726 (s390x-*-linux*): Likewise.
3727 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
3728 * config/s390/t-linux: New file.
3730 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3732 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
3733 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
3735 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
3737 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
3738 (ANTIC_SAFE_LOADS): New macro.
3739 (find_or_generate_expression): Add prototype.
3740 (set_contains_value): Allow null set for sake of not always having
3741 to allocate ANTIC_SAFE_LOADS.
3742 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
3743 Allow COMPONENT_REF too.
3744 (valid_in_set): Allow COMPONENT_REF.
3745 Check ANTIC_SAFE_LOADS too.
3746 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
3747 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
3749 (can_PRE_operation): Add COMPONENT_REF.
3750 (create_component_ref_by_pieces): New function.
3751 (create_expression_by_pieces): Use create_component_ref_by_pieces.
3752 (insert_aux): Move AGGREGATE_TYPE_P check here.
3753 (compute_avail): Set bb local stmt uids.
3754 (pass_pre): Use TODO_update_ssa_only_virtuals.
3756 2006-02-06 Ben Elliston <bje@au.ibm.com>
3758 * configure.ac: Unconditionally disable decimal float by default.
3759 * configure: Regenerate.
3761 2006-02-06 Ben Elliston <bje@au.ibm.com>
3763 * read-rtl.c (read_name): Terminate reading on EOF.
3765 2006-02-06 Ben Elliston <bje@au.ibm.com>
3767 * dfp.c (decimal_real_arithmetic): Change second argument type
3768 from int to enum tree_code. Do not always return true, but now
3769 return result of any call to decimal_do helper functions.
3770 * dfp.h (decimal_real_arithmetic): Update prototype.
3772 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
3774 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
3776 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
3779 * tree-cfg.c (cleanup_dead_labels): Also don't remove
3782 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3784 * tree-vrp.c (cfg_loops): Removed.
3785 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
3786 Use current_loops instead of cfg_loops. Pass flags to
3787 loop_optimizer_init.
3788 * cfgloopmanip.c (fix_loop_structure): Update only available
3790 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
3791 loop_optimizer_init.
3792 * modulo-sched.c (build_loops_structure): Removed.
3793 (sms_schedule): Use loop_optimizer_init.
3794 * loop-init.c (loop_optimizer_init): Use flags to determine
3795 which properties of loops to prepare.
3796 (rtl_loop_init): Pass flags to loop_optimizer_init.
3797 * tree-ssa-sink.c (execute_sink_code): Ditto.
3798 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
3799 * tree-ssa-pre.c (init_pre): Ditto.
3800 * cfgloop.h (LOOPS_NORMAL): New.
3801 (loop_optimizer_init): Declaration changed.
3803 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3805 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
3806 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
3808 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
3810 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
3812 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
3813 * pa/t-pa64: Delete quadlib.c rule.
3814 * pa/x-ada: Revert last change.
3815 * pa/t-pa: Revert last change. Delete quadlib.c rule.
3817 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
3819 PR rtl-optimization/26087
3820 * rtlanal.c (canonicalize_condition): Do not cross basic block
3823 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
3826 * config/ia64/ia64.c: Include debug.h.
3827 (MAX_ARTIFICIAL_LABEL_BYTES): New.
3828 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
3829 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
3830 (process_epilogue, process_set, process_for_unwind_directive):
3831 Output unwind info only if requested. Add CFA info if requested.
3832 Add new arguments as needed. Adjust callers.
3833 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
3835 (DWARF2_FRAME_INFO): Define to zero.
3836 * config/ia64/unwind-ia64.c: Remove code that compensated for
3837 the CFA offset error fixed above.
3838 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
3839 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
3840 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
3841 -funwind-tables and -fexceptions to enable frame info.
3842 (dwarf2out_frame_init): Define initial CFA even if
3843 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
3844 DWARF2_UNWIND_INFO is nonzero, not just defined.
3845 (dwarf2out_frame_finish): Output non-EH call frame info only
3846 if DWARF2_FRAME_INFO is nonzero.
3847 (convert_cfa_to_loc_list,
3848 compute_frame_pointer_to_cfa_displacement): Define even if
3849 unwind info is not supported.
3850 (gen_subprogram_die): Use the above unconditionally. Remove
3851 legacy alternate code.
3852 * toplev.c (compile_file): Compile in call to
3853 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
3854 (lang_dependent_init): Ditto for dwarf2out_frame_init.
3856 2006-02-04 David Edelsohn <edelsohn@gnu.org>
3857 Jakub Jelinek <jakub@redhat.com>
3859 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
3860 IBM extended float format long double as "g" on powerpc*-linux.
3862 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3865 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
3866 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
3868 2006-02-03 Jason Merrill <jason@redhat.com>
3871 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
3874 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
3875 on the return slot if it's an NRV.
3877 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
3879 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
3880 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
3881 rewrite_use): Do not handle USE_OUTER.
3882 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
3883 add_iv_outer_candidates, may_replace_final_value,
3884 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
3885 (find_interesting_uses_op): Functionality of
3886 find_interesting_uses_outer_or_nonlin moved here.
3887 (find_interesting_uses_outside): Use find_interesting_uses_op.
3889 2006-02-03 Alan Modra <amodra@bigpond.net.au>
3892 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
3894 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
3895 Ulrich Weigand <uweigand@de.ibm.com>
3898 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
3899 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
3900 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
3901 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
3903 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
3904 (s390_rtx_costs): Use the new fields to calculate rtx costs.
3905 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
3906 Define secondary reloads for TFmode moves.
3907 (constant_modes): Add TFmode.
3908 (NR_C_MODES): Set to 8.
3909 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
3911 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
3912 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
3913 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
3914 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
3915 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
3916 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
3917 (FPR mode macro): Add TFmode.
3918 (DSF mode macro): New.
3919 (<de>, <dee> mode attributes): Removed.
3920 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
3921 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
3922 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
3923 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
3924 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
3925 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
3926 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
3927 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
3928 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
3929 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
3930 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
3931 "*negabs<mode>2", "sqrt<mode>2"):
3932 Changed <de> to <xde>. R constraint replaced by <Rf>.
3933 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
3935 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
3936 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
3937 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
3939 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
3940 "extenddftf2", "extendsftf2"): New expanders.
3941 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3942 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
3943 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
3944 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
3946 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
3947 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
3948 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
3949 __floatditf): Add a GCC_4.1.0 symbol version tag.
3950 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
3953 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
3956 * config/i386/i386.c (ix86_function_ok_for_sibcall):
3957 Use targetm.binds_local_p instead of TREE_PUBLIC.
3959 2006-02-02 Roger Sayle <roger@eyesopen.com>
3961 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
3962 on INTEGER_TYPEs to indicate that it denotes a character type.
3963 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
3964 signed_char_type_node, unsigned_char_type_node and char_type_node.
3965 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
3966 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
3967 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
3969 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
3970 Daniel Berlin <dberlin@dberlin.org>
3972 * tree-tailcall.c (arg_needs_copy_p): New function.
3973 (eliminate_tail_call): Use arg_needs_copy_p.
3974 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
3975 (add_virtual_phis): New function.
3977 2006-02-02 Jakub Jelinek <jakub@redhat.com>
3979 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
3980 #ignore instead of #scratch for %g7 .register directive.
3982 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
3984 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
3987 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
3989 * flow.c (calculate_global_regs_live): Assert that there aren't any
3992 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
3994 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
3996 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
3997 bsi_after_labels iterator.
3998 * tree-if-conv.c (find_phi_replacement_condition,
3999 replace_phi_with_cond_modify_expr): Likewise.
4000 * tree-scalar-evolution.c (scev_const_prop): Likewise.
4001 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
4003 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4005 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
4007 2006-02-02 Diego Novillo <dnovillo@redhat.com>
4010 * tree-cfg.c (move_block_to_fn): Clear out the basic block
4011 array after growing it.
4013 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4016 * fold-const.c (fold_checksum_tree): Change type of buf.
4018 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
4020 * reload.c (push_secondary_reload): Initialize t_icode.
4022 2006-02-01 Jakub Jelinek <jakub@redhat.com>
4024 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
4025 -msoft-float -mlong-double-128 only issue a warning, but don't
4026 swich to DFmode long double.
4028 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
4030 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
4031 has a constant equivalent, iterate over equivalents for arg0,
4032 calling simplify_relational_operation and if there's a result
4033 cheaper than X, apply fold_rtx and return the result.
4035 2006-02-01 Jan Hubicka <jh@suse.cz>
4037 * opts.c (no_unit_at_a_time_default): New global variable.
4038 (decode_options): Use it.
4039 * opts.h (no_unit_at_a_time_default): Declare.
4041 2006-02-01 Paul Brook <paul@codesourcery.com>
4043 * function.c (assign_parm_setup_reg): Use function argument promotion
4045 * expr.c (expand_expr_real_1): Use function argument promotion rules
4048 2006-02-01 Steve Ellcey <sje@cup.hp.com>
4050 * gcc.c (process_command): Change j to 'unsigned int'.
4052 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4055 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
4056 Use the corrected index for the character
4057 out of the string constant.
4059 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4061 * mode-switching.c (optimize_mode_switching): Fix size
4062 allocated for bb_info[n_entities].
4064 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
4066 * gcc.c (main): Correct type that is allocated for
4067 explicit_link_files.
4069 2006-01-31 Jakub Jelinek <jakub@redhat.com>
4071 * config/s390/s390.c (init_alignment_context): Set
4072 ALIAS_SET_MEMORY_BARRIER on the MEM.
4073 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
4075 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
4078 * loop-unroll.c (unroll_loop_runtime_iterations): Free
4080 * tree-ssa-live.c (type_var_init): Allocate bitmap after
4083 2006-01-31 Marcin Dalecki <martin@dalecki.de>
4085 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
4086 * regrename.c: Ditto.
4087 * tree-ssa-loop-im.c: Ditto.
4088 * tree-dump.c: Ditto.
4089 * tree-complex.c: Ditto.
4090 * genrecog.c: Ditto.
4091 * tree-ssa-threadupdate.c: Ditto.
4093 * java/class.c: Ditto.
4094 * java/jcf-parse.c: Ditto.
4095 * java/resource.c: Ditto.
4096 * java/except.c: Ditto.
4097 * java/jvspec.c: Ditto.
4098 * java/jcf-write.c: Ditto.
4099 * java/jcf-path.c: Ditto.
4100 * java/gjavah.c: Ditto.
4101 * java/zextract.c: Ditto.
4102 * java/jcf-io.c: Ditto.
4103 * java/jcf.h: Ditto.
4104 * java/buffer.c: Ditto.
4105 * java/lang.c: Ditto.
4106 * java/parse-scan.y: Ditto.
4107 * java/lex.c: Ditto.
4108 * java/lex.h: Ditto.
4109 * cfgloopmanip.c: Ditto.
4110 * postreload-gcse.c: Ditto.
4111 * tree-ssa-loop-manip.c: Ditto.
4112 * postreload.c: Ditto.
4113 * tree-ssa-loop-ch.c: Ditto.
4117 * diagnostic.c: Ditto.
4119 * genoutput.c: Ditto.
4121 * cfghooks.c: Ditto.
4122 * cfgloopanal.c: Ditto.
4123 * objc/objc-act.c: Ditto.
4125 * genextract.c: Ditto.
4126 * genautomata.c: Ditto.
4127 * pretty-print.c: Ditto.
4129 * cgraphunit.c: Ditto.
4132 * haifa-sched.c: Ditto.
4133 * dominance.c: Ditto.
4135 * tree-ssa-loop-ivopts.c: Ditto.
4137 * mode-switching.c: Ditto.
4138 * modulo-sched.c: Ditto.
4140 * ipa-pure-const.c: Ditto.
4142 * fix-header.c: Ditto.
4144 * tree-stdarg.c: Ditto.
4145 * ipa-utils.c: Ditto.
4146 * loop-init.c: Ditto.
4147 * ipa-inline.c: Ditto.
4150 * alloc-pool.c: Ditto.
4151 * dwarf2out.c: Ditto.
4153 * genattrtab.c: Ditto.
4154 * tree-ssa-loop-ivcanon.c: Ditto.
4158 * fortran/gfortranspec.c: Ditto.
4160 * local-alloc.c: Ditto.
4161 * langhooks.c: Ditto.
4162 * function.c: Ditto.
4163 * tree-vectorizer.c: Ditto.
4165 * ipa-type-escape.c: Ditto.
4167 * tree-if-conv.c: Ditto.
4170 * tree-data-ref.c: Ditto.
4171 * loop-unroll.c: Ditto.
4172 * treelang/treetree.c: Ditto.
4175 * ggc-common.c: Ditto.
4177 * coverage.c: Ditto.
4179 * tree-cfgcleanup.c: Ditto.
4180 * tree-ssa-pre.c: Ditto.
4181 * cfgcleanup.c: Ditto.
4182 * loop-invariant.c: Ditto.
4184 * ipa-prop.c: Ditto.
4185 * print-tree.c: Ditto.
4186 * conflict.c: Ditto.
4187 * ggc-page.c: Ditto.
4188 * sched-deps.c: Ditto.
4189 * regclass.c: Ditto.
4190 * tree-object-size.c: Ditto.
4192 * bb-reorder.c: Ditto.
4193 * resource.c: Ditto.
4194 * var-tracking.c: Ditto.
4196 * df-problems.c: Ditto.
4197 * reg-stack.c: Ditto.
4200 * sched-rgn.c: Ditto.
4201 * tree-ssa-structalias.c: Ditto.
4202 * tree-ssa-reassoc.c: Ditto.
4203 * config/darwin-c.c: Ditto.
4204 * config/darwin.c: Ditto.
4205 * config/arm/arm.c: Ditto.
4207 * collect2.c: Ditto.
4210 2006-01-31 Nicolas Pitre <nico@cam.org>
4212 * arm.md (smaxsi3): Make aware of smax_m1.
4215 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
4217 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
4219 2006-01-31 Richard Guenther <rguenther@suse.de>
4221 * doc/invoke.texi (-msselibm): Document.
4222 * target.h (expand_library_builtin): New target hook.
4223 * builtins.c (expand_builtin): Use expand_library_builtin.
4224 (default_expand_library_builtin): New function.
4225 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4226 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4227 (link_gcc_math_spec): Declare.
4228 (static_specs): Add link_gcc_math_spec.
4229 * expr.h (default_expand_library_builtin): Declare.
4230 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4231 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4232 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4233 * config/i386/i386.opt (msselibm): New target option.
4234 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4235 (ix86_init_sse_abi_builtins): New function.
4236 (ix86_expand_library_builtin): Likewise.
4237 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4238 (override_options): Handle error conditions wrt -msselibm.
4239 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4240 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4241 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4244 2006-01-31 Richard Guenther <rguenther@suse.de>
4245 Paolo Bonzini <bonzini@gnu.org>
4247 * doc/install.texi (--disable-libgcc-math): Document.
4249 2006-01-30 Marcin Dalecki <martin@dalecki.de>
4251 * expr.h (expand_normal): new inline function.
4252 * builtins.c: use it, use EXPAND_NORMAL explicitely.
4254 * dwarf2out.c: use it.
4259 * config/sparc/sparc.c: use it.
4260 * config/i386/i386.c: use it.
4261 * config/rs6000/rs6000.c: use it.
4262 * config/arm/arm.c: use it.
4263 * config/mips/mips.c: use it.
4264 * stmt.c: use it, use EXPAND_NORMAL explicitely.
4266 2006-01-30 Roger Sayle <roger@eyesopen.com>
4268 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
4269 argv to the appropriate type.
4271 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
4273 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
4276 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
4279 * config/s390/s390.c (struct machine_function): New flag
4280 decomposed_literal_pool_addresses_ok_p.
4281 (s390_reorg): Set it before final stage of literal pool transforms.
4282 (s390_decompose_address): Only accept displacements of the form
4283 (minus (label_ref ...) (label_ref ...)) if that flag is set.
4285 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
4287 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
4288 the comparison routine return.
4290 2006-01-30 Michael Matz <matz@suse.de>
4292 * global.c (find_reg): Only evict for global regs.
4293 Take n_refs into account and dump more info.
4295 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
4298 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
4299 (pragma_trap, pragma_nosave_low_regs): Likewise.
4300 (current_function_anonymous_args): Likewise.
4301 (sh_deferred_function_attributes): New variable.
4302 (sh_deferred_function_attributes_tail): Likewise.
4303 (print_operand): For '@', look up trap_exit attribute.
4304 (calc_live_regs): Look up trapa_handler attribute. For trapa
4305 handlers, save/restore fpscr, but don't do any other
4306 interrupt-specific saves.
4307 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
4308 Fix check for partially saved registers to check for SHmedia.
4309 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
4310 (sh_output_function_epilogue): Don't clear any of the removed
4312 (sh_insert_attributes): Don't check pragma_interrupt.
4313 Insert deferred attributes. Check that interrupt attribute is
4314 present for other attributes that require its presence.
4315 (sh_attribute_table): Add new attributes trapa_handler and
4317 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
4318 Don't check for pragma_interrupt. Don't store argument.
4319 * sh.h (pragma_interrupt, sp_switch): Don't declare.
4320 (sh_deferred_function_attributes): Declare.
4321 (sh_deferred_function_attributes_tail): Likewise.
4322 * sh.md (sp_switch_1): Add operand. Change generator caller.
4323 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
4324 (*return_i): Don't use when trap_exit attribute is in effect.
4325 (*return_trapa): New insn pattern.
4327 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
4328 setting c_target_objs and cxx_target_objs.
4329 * t-sh: Add rule for sh-c.o.
4331 2006-01-30 Richard Guenther <rguenther@suse.de>
4334 * gimplify.c (gimplify_target_expr): Handle easy cases
4335 without creating a temporary.
4337 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
4339 * vec.h (safe_grow): Remove duplicated line.
4341 2006-01-29 Diego Novillo <dnovillo@redhat.com>
4344 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
4345 (expand_omp): ... here.
4346 (expand_omp_parallel): Only remove barriers for combined
4347 parallel+workshare constructs.
4349 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
4353 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
4354 * tree.c (build_qualified_type): Chain the new type to the original
4355 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4356 a POINTER_TYPE or a REFERENCE_TYPE respectively.
4357 (build_pointer_type_for_mode): Only return unqualified types.
4358 (build_reference_type_for_mode): Likewise.
4360 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
4362 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
4363 * Makefile.in (CXX_COMPAT_WARN): Define.
4364 * configure: Regenerate.
4366 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
4369 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
4372 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4374 * toplev.c: Fix thinko.
4376 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
4377 Marcin Dalecki <martin@dalecki.de>
4379 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
4380 (push_srcloc): Use XNEW.
4381 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
4383 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
4385 * df-core.c (df_set_blocks): Deleted all variable.
4387 2006-01-28 Ian Lance Taylor <ian@airs.com>
4389 * cgraphunit.c (cgraph_assemble_pending_functions): Call
4390 cgraph_output_pending_asms.
4392 2006-01-28 Zack Weinberg <zackw@panix.com>
4394 * c.opt: Add -W(no-)overlength-strings.
4395 * doc/invoke.texi: Document it.
4396 * c-opts.c (c_common_handle_option): -pedantic implies
4397 -Woverlength-strings, if not explicitly disabled already.
4398 (c_common_post_options): -Woverlength-strings defaults to off, and
4399 is always off for C++.
4400 * c-common.c (fix_string_type): Issue warning about strings longer
4401 than is portable only if warn_overlength_strings. Rearrange code
4402 a little for clarity.
4403 * configure.in: Check for -Wno-overlength-strings as well before
4404 enabling -pedantic in stage 1.
4405 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
4406 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
4408 * genconditions.c (write_header, write_one_condition)
4409 (write_conditions, write_writer): Consolidate very long strings
4410 that were broken up to fit in C89 portable limit. Don't use
4411 printf when fputs will do.
4413 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
4415 * combine.c (simplify_comparison <AND>): Check
4416 TRULY_NOOP_TRUNCATION before start using a subreg.
4418 * config/mips/mips.md (*branch_zero<mode>,
4419 *branch_zero<mode>_inverted, *branch_equality<mode>,
4420 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
4421 Remove mode check from comparisons.
4423 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
4425 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
4427 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4429 * expmed.c (const_mult_add_overflow_p): Remove.
4430 * expr.h: Remove the prototype for const_mult_add_overflow_p.
4432 * recog.c (validate_replace_rtx_subexp): Remove.
4433 * recog.h: Remove the prototype for
4434 validate_replace_rtx_subexp.
4436 * integrate.h: Remove the prototype for
4437 copy_decl_for_inlining.
4438 * rtl.h: Remove the prototype for mark_constant_function.
4439 * tree-vectorizer.h: Remove the prototype for
4440 vect_strip_conversion.
4442 * modulo-sched.c (create_partial_schedule,
4443 free_partial_schedule, reset_partial_schedule): Make them
4446 * hooks.c (hook_bool_rtx_int_false): Remove.
4447 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
4449 2006-01-28 David Edelsohn <edelsohn@gnu.org>
4451 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4452 and -mlong-double-128 are incompatible.
4453 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
4454 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
4455 (TARGET_LIBGCC2_CFLAGS): Define.
4456 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
4457 (TARGET_LIBGCC2_CFLAGS): Same.
4458 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
4460 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
4463 * c-typeck.c (build_binary_op): Perform implicit casts of
4464 operands before shortening them.
4466 * cfgloopmanip.c (split_loop_bb): Remove.
4467 * cfgloop.h: Remove the prototype for split_loop_bb.
4469 * cfgloop.c (flow_loop_outside_edge_p): Remove.
4470 * cfgloop.h: Remove the prototype for
4471 flow_loop_outside_edge_p.
4473 * emit-rtl.c (init_virtual_regs): Make it static.
4474 * function.h: Remove the prototype for init_virtual_regs.
4476 * recog.c (peephole2_optimize): Make it static.
4477 * recog.h: Remove the prototype for peephole2_optimize.
4479 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4481 * df-scan.c (df_record_entry_block_defs): Check if
4482 INCOMING_RETURN_ADDR_RTX is defined.
4484 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
4485 Kenneth Zadeck <zadeck@naturalbridge.com>
4487 PR rtl-optimization/24762
4488 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4489 * targhooks.c (hook_void_bitmap): New hook prototype.
4490 * targhoohs.h (hook_void_bitmap): Ditto.
4491 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
4492 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
4493 * target.h (live_on_entry): New function pointer.
4494 * df-scan.c (df_all_hard_regs): Removed.
4495 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
4496 (df_scan_free_internal): Added df->entry_block_defs.
4497 (df_scan_alloc): Ditto.
4498 (df_scan_dump): Ditto.
4499 (df_uses_record): Plumbed flag field properly thru calls.
4500 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
4501 This part fixes PR24762.
4502 (df_bb_refs_record): Added code to make the frame and arg
4503 pointers live in EH blocks.
4504 (df_refs_record): Added call to df_record_entry_block_defs.
4505 (df_record_entry_block_defs): New function.
4506 * df-core.c: Added comments to describe new artifical defs.
4507 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
4508 (entry_block_defs): New field in struct df.
4509 (df_all_hard_regs): Deleted.
4510 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
4511 * df-problems.c (df_ru_bb_local_compute_process_def):
4512 Added code to handle artifical defs in the entry to a function.
4513 (df_ru_bb_local_compute): Ditto.
4514 (df_rd_bb_local_compute_process_def): Ditto.
4515 (df_rd_bb_local_compute): Ditto.
4516 (df_lr_bb_local_compute): Ditto.
4517 (df_ur_bb_local_compute): Ditto.
4518 (df_urec_bb_local_compute): Ditto.
4519 (df_chain_create_bb): Ditto.
4520 (df_ur_local_finalize): Removed entry.
4521 (df_urec_init): Ditto.
4522 (df_urec_local_finalize): Ditto.
4523 (df_ri_bb_compute): Added detection of last use of pseudos.
4524 * Makefile.in (df-scan.o): Updated dependencies.
4525 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
4526 * config/mips/mips.c (mips_set_live_on_entry): Added.
4527 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
4529 * dce.c (marked_insn_p): Added code to handle artifical defs.
4531 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
4533 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
4535 (_mm_cvtsi128_si64): Likewise.
4536 (_mm_cvtsd_si64): Likewise.
4537 (_mm_cvttsd_si64): Likewise.
4538 (_mm_cvtsi64_sd): Likewise.
4539 (_mm_cvtsi64_si128): Likewise.
4540 * config/i386/mmintrin.h (_m_from_int64): Likewise.
4541 (_mm_cvtsi64_m64): Likewise.
4542 (_m_to_int64): Likewise.
4543 (_mm_cvtm64_si64): Likewise.
4544 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
4545 (_mm_cvttss_si64): Likewise.
4546 (_mm_cvtsi64_ss): Likewise.
4547 (_mm_cvtss_f32): Likewise.
4549 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
4551 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
4552 for pragma redefine_extname.
4554 2006-01-27 Jakub Jelinek <jakub@redhat.com>
4557 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
4558 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
4559 -mno-minimal-toc to previous content.
4560 (bispecs): Remove goal.
4561 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
4562 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
4563 compatibility aliases on powerpc-*-*gnu*.
4564 * config/rs6000/libgcc-ppc-glibc.ver: New file.
4565 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
4566 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
4567 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
4568 (ldblspecs): New goal.
4569 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
4570 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
4572 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
4573 L_sf_to_tf or L_df_to_tf is defined.
4575 2006-01-27 David Edelsohn <edelsohn@gnu.org>
4576 Alan Modra <amodra@bigpond.net.au>
4579 * config/rs6000/linux.h (POWERPC_LINUX): Define.
4580 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
4581 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
4582 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
4583 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
4584 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
4585 (rs6000_override_options): Initialize rs6000_ieeequad.
4586 Initialize TFmode format to ibm_extended_format if not
4588 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
4590 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
4591 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
4592 (function_arg_advance): IBM long double passed in two FPRs, not
4594 (function_arg): IBM long double passed in FPRs.
4595 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
4596 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
4597 Only multireg GPR aligned.
4598 (rs6000_init_libfuncs): Enable IBM long double functions if not
4600 (rs6000_generate_compare): Use IBM long double compare if not
4602 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
4603 (TARGET_IEEEQUAD): Define.
4604 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
4605 not TARGET_IEEEQUAD.
4606 * config/rs6000/rs6000.md: Enable TFmode patterns if
4608 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
4609 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
4610 and -mlong-double-128 are incompatible.
4611 * doc/invoke.texi (-mabi): Collect options together. Add
4612 ibmlongdouble and ieeelongdouble.
4614 2006-01-27 Richard Sandiford <richard@codesourcery.com>
4616 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
4618 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
4619 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
4620 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
4621 * rtl.h (rtunion_def): Remove rt_ptr.
4623 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
4624 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
4625 * config/i386/winnt.c (i386_pe_mark_dllexport)
4626 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
4628 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
4630 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
4632 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4636 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
4637 pthread_key_delete. From John David Anglin. gthrw-ify
4638 pthread_getunique_np only if it it's not a macro. Delete
4640 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
4641 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
4642 __gthread_objc_condition_signal, __gthread_key_delete): Add
4643 "__attribute__ ((__unused__))" to unused arguments.
4644 (__gthread_recursive_mutex_init_function): Add missing return.
4645 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
4646 gthr-posix95.h: Use macro-based approach for name redirection
4647 on targets missing weakref.
4649 2006-01-26 Zack Weinberg <zackw@panix.com>
4651 * genconditions.c (write_header): In generated code, #ifdef out
4652 all includes and fake declarations, except includes of bconfig.h
4653 and system.h, unless GCC_VERSION >= 3001. Do not include
4654 gensupport.h in any case.
4655 (write_conditions): Generate a definition of struct c_test. Add
4656 a comment to the generated #endif.
4657 (write_one_condition): Escape backslashes in string too.
4658 (write_writer): Generated code must escape backslashes and quote
4659 marks (but not newlines) in the strings it writes.
4660 * Makefile.in (build/gencondmd.o): Update dependencies.
4662 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4665 * Makefile.in (insn-automata.o): Add header file dependencies.
4666 * genautomata.c: Add includes.
4668 2006-01-26 Steve Ellcey <sje@cup.hp.com>
4671 * Makefile.in (insn-automata.o): Add -Wno-error flag.
4673 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4675 * configure.ac: Expect target tools paths to be passed from the toplevel
4676 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
4678 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
4680 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
4683 * c.opt (Wpointer-sign): Init to -1.
4684 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
4685 OPT_pedantic, to 0 otherwise.
4686 * doc/invoke.texi: Update.
4688 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
4690 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
4691 constants provided by 80387 instructions in the destination mode.
4693 2006-01-26 Richard Guenther <rguenther@suse.de>
4694 Andrew Pinski <pinskia@physics.uc.edu>
4697 partial PR tree-opt/17064
4698 * tree-ssa-structalias.c (intra_create_variable_infos):
4699 Create heap variables for incoming parameters if
4700 flag_argument_noalias > 1.
4701 (find_what_p_points_to): Look through default defs of
4704 2006-01-26 Jeff Law <law@redhat.com>
4707 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
4708 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
4709 within the VR_RANGE, use the VR_RANGE as the result, not the
4711 (adjust_range_with_scev): Reject ranges from SCEV which are out of
4712 bounds for the type.
4714 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
4716 * tree-ssa-alias.c (maybe_create_global_var): Change
4717 subvar walking to an assertion that we don't have subvar'd variables.
4719 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
4722 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
4723 Use a new variable, inner. PARM_DECLs are always non-weak.
4725 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
4727 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
4730 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
4732 * config/mips/mips.md (*clear_upper32): New combiner pattern.
4734 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
4736 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
4737 (smax_insn, smin_insn, smax_0, smin_0): New.
4739 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
4742 * config/cris/cris.c (cris_order_for_addsi3): New function.
4743 * config/cris/cris-protos.h: Prototype it.
4744 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
4745 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
4746 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
4747 (split for "op.S1 [rx=rx+i],ry (swapped)")
4748 (split for "op(s|u).S1 [rx=rx+i],ry")
4749 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
4750 Apply cris_order_for_addsi3 when generating addsi3 insns.
4752 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4754 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
4755 (TREE_BLOCK): Add call to EXPR_CHECK.
4757 2006-01-25 Diego Novillo <dnovillo@redhat.com>
4760 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
4761 * tree-pretty-print.c (dump_omp_clause): Extract from ...
4762 (dump_omp_clauses): ... here.
4763 (dump_generic_node): Handle OMP_CLAUSE.
4764 * tree.c (omp_clause_num_ops): New.
4765 (omp_clause_code_name): New.
4766 (tree_code_size): Handle OMP_CLAUSE.
4767 (tree_size): Likewise.
4768 (make_node): Document handling of OMP_CLAUSE.
4769 (tree_node_structure): Handle OMP_CLAUSE.
4770 (omp_clause_check_failed): New.
4771 (omp_clause_range_check_failed): New.
4772 (omp_clause_operand_check_failed): New.
4773 (build_omp_clause): New.
4774 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
4775 * tree.h (enum omp_clause_code): Declare.
4776 (OMP_CLAUSE_SUBCODE_CHECK): Define.
4777 (OMP_CLAUSE_RANGE_CHECK): Define.
4778 (OMP_CLAUSE_ELT_CHECK): Define.
4779 (omp_clause_check_failed): Declare.
4780 (omp_clause_operand_check_failed): Declare.
4781 (omp_clause_range_check_failed): Declare.
4782 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
4783 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
4784 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
4785 (OMP_CLAUSE_LASTPRIVATE): Likewise.
4786 (OMP_CLAUSE_IF_EXPR): Likewise.
4787 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
4788 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
4789 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
4790 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
4791 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
4792 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
4793 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
4794 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
4795 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
4796 (OMP_CLAUSE_CODE): Define.
4797 (OMP_CLAUSE_SET_CODE): Define.
4798 (OMP_CLAUSE_CODE): Define.
4799 (OMP_CLAUSE_OPERAND): Define.
4800 (struct tree_omp_clause): Declare.
4801 (union tree_node): Add field 'omp_clause'.
4802 * treestruct.def (TS_OMP_CLAUSE): Define.
4803 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
4804 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
4805 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
4806 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
4807 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
4808 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
4809 (OMP_CLAUSE): Define.
4810 * print-tree.c (print_node): Handle OMP_CLAUSE.
4811 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
4812 * c-typeck.c: Likewise.
4813 * gimplify.c: Likewise.
4814 * c-omp.c: Likewise.
4815 * tree-nested.c: Likewise.
4816 * tree-inline.c: Likewise.
4817 * c-parser.c: Likewise.
4818 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
4821 2006-01-25 Roger Sayle <roger@eyesopen.com>
4823 PR rtl-optimization/25703
4824 * combine.c (try_combine): Handle zero_extract and strict_low_part
4825 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
4827 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
4829 * global.c: Fix comment typos.
4831 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
4834 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
4835 Use output_addr_const instead of assemble_name.
4837 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
4839 * Makefile.in (sched-vis.o): Update dependencies.
4840 * haifa-sched.c (sched_finish): Clear current_sched_info.
4841 * cfg.c (dump_bb_info): New, split from dump_flow_info.
4842 (dump_flow_info): Call it.
4843 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
4845 * basic-block.h (dump_bb_info): Declare.
4846 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
4847 option, and apply options only for dump files whose TDF_RTL,
4848 TDF_TREE, or TDF_IPA bits match.
4849 * rtl.h: Declare new functions exported from sched-vis.c.
4850 * sched-vis.c: Enable also if scheduling is not used.
4851 (print_value): Print the mode of registers if not inside scheduling.
4852 (print_insn): Make it work outside the scheduler. Beautify the output
4854 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
4856 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4858 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
4859 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
4860 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
4861 depending on the value of CONSTANT_POOL_ADDRESS_P.
4862 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
4864 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
4865 rather than SYMBOL_REF_DECL.
4866 (rtx_constant_pool): Remove const_rtx_sym_htab.
4867 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
4868 (init_varasm_status): Don't initialize const_rtx_sym_htab.
4869 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
4870 Remove handling of const_rtx_sym_htab.
4871 (find_pool_constant): Delete.
4872 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
4873 rather than find_pool_constant.
4874 (get_pool_constant_for_function): Delete.
4875 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
4877 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
4878 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
4879 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
4880 (SYMBOL_REF_CONSTANT): New macro.
4881 (get_pool_constant_for_function): Delete.
4882 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
4883 rather than SYMBOL_REF_DECL.
4884 (i386_pe_mark_dllimport): Likewise.
4885 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
4886 rather than SYMBOL_REF_DECL.
4887 * config/darwin.c (machopic_indirect_data_reference): Likewise.
4888 (machopic_indirect_call_target): Likewise.
4890 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
4892 * flow.c (delete_noop_moves): Add missing EOL to dump message.
4894 2006-01-25 Richard Sandiford <richard@codesourcery.com>
4896 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
4898 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
4900 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
4902 2006-01-24 David Daney <ddaney@avtrex.com>
4905 * configure.ac (enable_tls): New enable option.
4906 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
4907 * configure: Regenerate.
4908 * doc/install.texi (--enable-tls): Document new option.
4909 (--disable-tls): Ditto.
4911 2006-01-24 Richard Henderson <rth@redehat.com>
4913 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
4914 * alias.c (true_dependence): Respect it.
4915 (canon_true_dependence, write_dependence_p): Likewise.
4916 * builtins.c (get_builtin_sync_mem): Set it.
4918 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
4920 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
4923 2006-01-24 DJ Delorie <dj@redhat.com>
4925 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
4926 for storing constants in single-bit bitfields.
4928 2006-01-25 Ben Elliston <bje@au.ibm.com>
4930 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
4932 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
4935 * tree-ssa-pre.c (phi_translate): Return NULL
4936 for AGGREGATE_TYPE's.
4938 2006-01-24 Zack Weinberg <zackw@panix.com>
4940 * genautomata.c (process_state_for_insn_equiv_partition):
4941 Use xcalloc for insn_arcs_array.
4942 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
4943 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
4945 2006-01-24 Richard Henderson <rth@redhat.com>
4947 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
4950 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
4952 PR rtl-optimization/25890
4953 PR rtl-optimization/25905
4954 * combine.c (expand_compound_operation, expand_field_assignment):
4955 Fail if the bitfield's final position is out of bounds.
4957 2006-01-24 Ian Lance Taylor <ian@airs.com>
4960 * cgraphunit.c (cgraph_output_in_order): Don't clear
4961 cgraph_asm_nodes until after asm strings have been output.
4963 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
4965 * fix-header.c (read_scan_file): Add new parameter imultilib when
4966 calling register_include_chains.
4968 2006-01-23 Diego Novillo <dnovillo@redhat.com>
4970 * omp-low.c: Update documentation.
4972 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
4973 Daniel Berlin <dberlin@dberlin.org>
4977 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
4978 return from the function.
4980 2006-01-22 Zack Weinberg <zackw@panix.com>
4982 * rtl.def (match_code): Add second argument.
4983 * genpreds.c (write_extract_subexp): New function.
4984 (write_match_code): Add path argument. Use write_extract_subexp.
4985 (write_predicate_expr): Pass path to write_match_code.
4986 (mark_mode_tests): MATCH_CODE applied to a subexpression does
4987 not perform a mode test.
4988 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
4989 a subexpression does not constrain the top-level code set.
4990 * read-rtl.c (read_rtx_variadic): New function.
4991 (read_rtx_1): Use it; allow AND and IOR to be variadic.
4992 * doc/md.texi: Document new notation.
4993 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
4994 (cmpsi_operand): ... here, using new notation.
4996 2006-01-22 Zack Weinberg <zackw@panix.com>
4998 * varray.c: Remove GENERATOR_FILE #ifdefs.
5000 2006-01-22 Zack Weinberg <zackw@panix.com>
5002 * genautomata.c (output_reserved_units_table): Emit nothing if
5003 description->query_units_num is zero. Remove extra blank line.
5004 (output_cpu_unit_reservation_p): Short circuit
5005 if description->query_units_num is zero.
5007 2006-01-22 Zack Weinberg <zackw@panix.com>
5009 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
5010 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
5011 nor any of the random handful of variables that used to be necessary
5012 when this program was linked with rtlanal.o. Prune set of forward
5013 function declarations.
5014 (struct attr_desc): Remove static_p field.
5015 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
5016 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
5017 (attr_string): Do not read the character one past the length of
5019 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
5020 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
5021 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
5022 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
5023 (make_automaton_attrs): New.
5024 (main): Do not call into genautomata. Call local gen_bypass
5025 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
5026 Remove special case for insn_alts.
5027 * genautomata.c: Include gensupport.h; not genattrtab.h nor
5028 varray.h (leftover from previous change). Prune set of forward
5029 function declarations. Remove state_alts fields from all
5030 structures. Remove state_alts_table from struct automaton.
5031 Make everything except main static. Do not maintain num_dfa_decls.
5032 Do not maintain state_alts fields of various structures.
5033 (process_decls): Don't validate condexp for dm_insn_reserv decls.
5034 (add_arc): Remove state_alts argument. All callers updated.
5035 (output_reserved_units_table): Emit #ifdef here...
5036 (output_tables): ...not here. Don't generate state_alts tables.
5037 (expand_automata): Don't generate attributes.
5038 (write_automata): Don't generate state_alts functions.
5039 (main): New function.
5040 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
5041 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
5042 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
5043 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
5044 (BYPASS_P_FUNC_NAME, output_state_alts_table)
5045 (output_automata_list_state_alts_code, output_internal_state_alts_func)
5046 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
5047 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
5049 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
5050 * genattrtab.h: Delete file.
5051 * Makefile.in (OBJS-common): Add insn-automata.o.
5052 (insn-automata.o): New rule.
5053 (simple_generated_c): Add insn-automata.c.
5054 (build/genattrtab.o, build/genautomata.o): Update dependencies.
5055 (genprogmd): Add automata.
5056 (build/genattrtab): Needs no extra objects nor libraries.
5057 (build/genautomata): Needs build/vec.o and -lm.
5059 2006-01-22 Zack Weinberg <zackw@panix.com>
5061 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
5062 (output_dfa_max_issue_rate, locked_states_num): Delete.
5063 (struct automaton): Add locked_states field.
5064 (output_dead_lock_vect): Save number of locked states in
5065 automaton->locked_states. If it is zero, don't print anything.
5066 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
5067 (output_internal_dead_lock_func): Only test the dead_lock_vect
5068 for automata that have locked states.
5069 (output_statistics): Always print the number of locked states for
5070 each automaton. Calculate total number of locked states here.
5071 (write_automata): Don't call output_dfa_max_issue_rate.
5072 * genattrtab.c: Define length_unit_log as a const variable.
5073 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
5074 max_insn_queue_index const.
5075 * final.c (length_unit_log): Declare const.
5076 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
5078 2006-01-22 Zack Weinberg <zackw@panix.com>
5080 * genautomata.c: Include vec.h, not varray.h.
5081 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
5082 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
5083 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
5084 VEC_* macros operating on appropriately typed vectors, or to
5085 malloced arrays when the size is known in advance. Const-ify
5086 many char* variables and function arguments. No functional changes.
5087 * Makefile.in (build/varray.o): Delete rule.
5088 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
5089 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
5091 2006-01-22 Zack Weinberg <zackw@panix.com>
5093 * gensupport.c: Define get_insn_name and record_insn_name here.
5094 (read_md_rtx): Call record_insn_name as appropriate.
5095 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
5096 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
5097 * genpreds.c, genrecog.c: Don't define get_insn_name nor
5099 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
5100 (BUILD_VARRAY): Delete.
5101 (genprognormal): Rename genprogmd. Fold in all programs from
5102 genprognoprint; also attrtab.
5103 (build/genattrtab): Just mention genautomata.o and varray.o.
5104 Reorganize a bit, add comments to make the categories clearer.
5106 2006-01-22 Zack Weinberg <zackw@panix.com>
5108 * genconditions.c (condition_table, add_condition): Delete.
5109 (write_conditions): Don't emit n_insn_conditions nor
5110 insn_elision_unavailable. Issue the gcc version #ifdef here,
5111 inside the table, with no #else clause ...
5112 (write_header): ...not here.
5113 (write_writer): New function.
5114 (main): Don't initialize condition_table. Use add_c_test.
5116 * gensupport.c (init_md_reader_args_cb): Handle multiple input
5117 files on the command line.
5118 (maybe_eval_c_test): Don't check insn_elision_unavailable.
5119 Return -1 if there is no entry in the table, don't abort.
5120 (add_c_test, traverse_c_tests): New functions.
5121 * gensupport.h (insn_elision_unavailable, insn_conditions)
5122 (n_insn_conditions): Delete declarations.
5123 (add_c_test, traverse_c_tests): Declare.
5124 * read-rtl.c: Include gensupport.h.
5125 (read_conditions): New function.
5126 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
5127 (read_rtx_1): If we get EOF when we were looking for an initial
5128 open paren, return 0. Call read_conditions when appropriate.
5129 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
5130 dummy-conditions.o. Eliminate references to insn-conditions.o,
5131 or change them to build/gencondmd.o, as appropriate. Remove
5132 insn-constants.h from $(simple_generated_h) and insn-conditions.c
5133 from $(simple_generated_c). For all files remaining in those
5134 two lists, add insn-conditions.md to the generator command line.
5135 Give insn-constants.h/s-constants their own rules. Add rules
5136 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
5137 (build/read-rtl.o): Depend on gensupport.h.
5138 (genprognormal): Include preds.
5139 (genprogearly): Rename genprognoprint; only difference is now that
5140 they don't link with $(BUILD_PRINT).
5141 * dummy-conditions.c: Delete.
5143 2006-01-22 Zack Weinberg <zackw@panix.com>
5145 * genextract.c: Don't include insn-config.h. Do include vec.h.
5146 Declare vectors of int, char, and locstr.
5147 (locstr): New typedef.
5148 (struct extraction): Make all array fields into bare pointers.
5149 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
5150 (insn_code_number): Delete.
5151 (accum_extract): New struct.
5152 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
5153 (gen_insn): Take insn_code_number as an argument. Use an
5154 accum_extract structure instead of loading data directly into
5155 a struct extraction, and having to know how big it might get.
5156 (walk_rtx): Operate entirely on an accum_extract structure.
5157 (print_path): Avoid unnecessary use of printf.
5158 (print_header): New function, split out of main. Distinguish
5159 more carefully between an unrecognizable insn and an insn that
5160 has the code number of a define_expand.
5161 (main): Pass insn_code_number to gen_insn. Call print_header
5162 only after parsing. Avoid unnecessary use of printf.
5163 * Makefile.in (build/vec.o): New rule.
5164 (build/genextract): Depend on build/vec.o.
5165 (build/genextract.o): Don't depend on insn-config.h.
5167 2006-01-22 Zack Weinberg <zackw@panix.com>
5169 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
5170 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
5171 practical. Eliminate per-generator-program link rules.
5173 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
5176 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5177 with a call expr to ...
5178 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5180 2006-01-23 Richard Guenther <rguenther@suse.de>
5182 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
5183 before make_edge with conditional EDGE_TRUE_VALUE.
5185 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
5186 Jan Hubicka <jh@suse.cz>
5187 Richard Guenther <rguenther@suse.de>
5189 PR rtl-optimization/25654
5190 * cfgexpand.c (aggregate_contains_union_type): New function.
5191 (add_alias_set_conflicts): Call it. Make sure to add conflicts
5192 for structure variables that contain a union type.
5194 2006-01-23 Richard Sandiford <richard@codesourcery.com>
5196 * gengtype.c (new_structure): Return the structure.
5197 (create_option): Add an extra "next" argument.
5198 (create_field): New function.
5199 (adjust_field_rtx_def): Use create_option and create_field.
5200 Remove a now-unnecessary call to find_structure.
5201 (adjust_field_tree_def): Likewise.
5202 (note_yacc_type): Remove an unnecessary call to find_structure.
5203 * gengtype.h (new_structure): Return the structure.
5204 (create_option): Add an extra argument.
5205 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
5206 (option): Adjust calls to create_option.
5208 2006-01-22 David Edelsohn <edelsohn@gnu.org>
5210 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
5212 2006-01-22 Paul Brook <paul@codesourcery.com>
5213 Peter Barada <peter@the-baradas.com>
5215 * config/m68k/m68k.md: Add Coldfire FPU support.
5216 Define FP mode macro and associated attributes.
5217 Use it for float mode patterns.
5218 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
5219 (LIBCALL_VALUE): Use m68k_libcall_value.
5220 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
5221 (m68k_function_value): Ditto.
5222 (emit_move_sequence): Ditto.
5223 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
5224 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
5225 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
5226 (MULTILIB_EXCEPTIONS): Ditto.
5227 * config/m68k/m68k.opt: Add mcfv4e.
5228 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
5229 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
5230 (m68k_output_function_prologue): Save ColdFire FPU registers.
5231 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
5232 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
5233 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
5234 ColdFire FPU registers.
5235 (m68k_libcall_value, m68k_function_value): New functions.
5236 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
5237 (LIBCALL_VALUE): Use m68k_libcall_value.
5238 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
5239 (MASK_COLDFIRE): Add MASK_CFV4E.
5240 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
5241 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
5242 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
5243 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
5244 (GO_IF_LEGITIMATE_ADDRESS): Use it.
5245 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
5246 * doc/invoke.tex: Document -mcfv4e on m68k.
5248 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
5250 * doc/contribute.texi: Change CVS to SVN and update the corresponding
5253 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
5256 * c-opts.c (c_common_handle_option): Don't include
5257 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
5258 * doc/invoke.texi (C++ Dialect Options): Document that
5259 -Wnon-virtual-dtor is no longer included in -Wall.
5261 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
5263 * gcov.c (print_version), gcov-dump.c (print_version),
5264 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
5267 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
5269 * df-scan.c (problem_SCAN): Added NULL reset function.
5270 (df_scan_reset_blocks): Added code to call reset block function
5271 (df_bb_refs_delete) Fixed comment.
5272 (df_insn_refs_delete): Made tolerant of deleting non existent info
5273 for dataflow problems that need to be reset.
5274 * df-core.c (df_set_blocks): Ditto.
5275 * df.h (struct df_problem): Added reset_fun.
5276 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
5277 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
5278 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
5279 functions to clear out all references to def-use or use-def chains.
5281 2006-01-21 Ben Elliston <bje@au.ibm.com>
5283 * varasm.c (assemble_real): Initialise data array.
5285 2006-01-20 Paul Brook <paul@codesourcery.com>
5287 Merge from csl-arm-branch.
5288 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
5289 * config/arm/arm.md (movdi): Force operands[1] to a register
5290 if we have a non-register source.
5291 (*arm_movdi, *movdf_soft_insn): Require that one of the
5292 operands be a register.
5293 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
5294 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
5296 2006-01-20 DJ Delorie <dj@redhat.com>
5298 * varasm.c (initialize_constant_valid_p): Allow pointers
5299 initialized from integer constants of lesser precision.
5300 (output_constant): Allow non-int-sized pointer modes to be
5301 initialized from integer constants.
5303 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
5306 * cppdefault.h (struct default_include): Add multilib flag.
5307 * cppdefault.c (cpp_include_defaults): Set it.
5308 * c.opt (-imultilib): New option.
5309 * c-opts.c (imultilib): New.
5310 (c_common_handle_option): Handle -imultilib.
5311 (c_common_post_options): Likewise.
5312 * c-incpath.c (add_standard_paths, register_include_chains):
5314 * c-incpath.h (register_include_chains): Add extra parameter.
5315 * gcc.c (do_spec_1): Generate -imultilib option.
5316 (The Specs Language): Update %I description.
5317 (process_command): Update copyright notice.
5318 * doc/cppopts.texi (-imultilib): Document.
5319 * doc/invoke.texi (-imultilib): Include in option summary.
5320 (%I): Update specs documentation.
5322 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5324 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
5326 2006-01-20 Richard Sandiford <richard@codesourcery.com>
5328 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
5331 2006-01-20 Richard Guenther <rguenther@suse.de>
5332 Steven Bosscher <stevenb.gcc@gmail.com>
5334 PR rtl-optimization/24626
5335 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
5336 EDGE_TRUE_VALUE if in RTL mode.
5339 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
5340 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
5342 2006-01-20 Dirk Mueller <dmueller@suse.com>
5345 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
5346 instead of a special NOP marker.
5347 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
5348 NOP marker handling.
5349 * c-common.h (empty_body_warning): Add forward declaration.
5350 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
5351 Now uses IS_EMPTY_STMT() instead of special NOP markers.
5353 2006-01-20 Paul Brook <paul@codesourcery.com>
5355 * Makefile.in (lang_checks): Keep going if mkdir fails.
5357 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5359 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
5360 be able to clean out basic block when not necessary.
5361 (df_scan_free): Fixed to properly delete information if df is
5362 unused before calling df_finish.
5363 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
5364 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
5366 (df_bb_refs_delete): New function.
5367 (df_refs_delete): Moved per block code to df_bb_refs_delete.
5368 * df-core.c (df_set_blocks): Added code to properly clean out
5369 unused blocks if they are not part of the blocks to consider.
5370 Added additional null check.
5371 (df_compact_blocks): Added basic block parameter to free_bb_fun to
5372 be able to clean out basic block when not necessary
5373 * df.h (df_free_bb_function): Ditto.
5374 (df_bb_refs_delete): New function.
5375 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
5376 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
5377 basic block parameter to be able to clean out basic block when not
5379 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
5380 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
5381 Fixed to properly delete information if df is unused before
5384 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
5386 PR rtl-optimization/25799
5387 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
5388 Corrected confluence operator to remove bits from op2 before oring
5389 with op1 rather than removing bits from op1.
5390 (df_ru_transfer_function): Corrected test on wrong bitmap which
5391 caused infinite loop. Both of these problems were introduced in
5392 the dataflow rewrite.
5394 2006-01-19 DJ Delorie <dj@redhat.com>
5396 * reload1.c (find_reload_regs): Note the details of reload
5397 failures in the dump file.
5398 (spill_failure): Likewise.
5400 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
5402 * loop-iv.c: Include df.h and hashtab.h.
5403 (enum iv_grd_result): New enum.
5404 (DF_REF_IV, DF_REF_IV_SET): New macros.
5405 (struct biv_entry): New.
5406 (df, bivs): New global variables.
5407 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
5408 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
5410 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
5411 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
5412 analyzed_for_bivness_p, record_biv): New functions.
5413 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
5414 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
5415 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
5417 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
5419 (iv_number_of_iterations): Use new interface to iv analysis.
5420 * loop-unroll.c: Do not include varray.h.
5421 (analyze_iv_to_split_insn): Use new interface to iv
5423 * loop-unswitch.c (may_unswitch_on): Ditto.
5424 * df.c (df_bitmaps_free): Only work for bbs for that structures are
5426 (df_bb_modify): Realloc tables to the new index.
5427 (df_find_use): New function.
5428 * df.h (df_find_use): Declare.
5429 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
5431 * cfgloop.h (struct rtx_iv): Remove analysed field.
5432 (iv_get_reaching_def): Removed.
5433 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
5434 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
5435 (loop-iv.o): Add df.h and hashtab.h dependency.
5436 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
5438 2006-01-20 Alan Modra <amodra@bigpond.net.au>
5441 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
5443 (__floatundisf, __floatundidf): Likewise.
5444 * libgcc2.h (IS_IBM_EXTENDED): Define.
5446 2006-01-19 DJ Delorie <dj@redhat.com>
5448 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
5450 2006-01-19 Paul Brook <paul@codesourcery.com>
5452 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
5453 as nothrow when unwinding tables are disabled.
5455 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5458 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
5459 of bit-field" when in system header.
5461 2006-01-19 DJ Delorie <dj@redhat.com>
5463 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
5464 the 16 bit shift limit of the m16c.
5466 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
5469 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
5470 * config/i386/i386.c (output_set_got): Output the label if we have one
5471 for the TARGET_DEEP_BRANCH_PREDICTION case.
5473 2006-01-19 Jan Hubicka <jh@suse.cz>
5474 H.J. Lu <hongjiu.lu@intel.com>
5475 Evandro Menezes <evandro.menezes@amd.com>
5477 * invoke.texi (generic): Document
5479 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
5480 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
5481 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
5482 (x86_use_incdec, x86_pad_returns): New variables
5483 (TARGET_CPU_DEFAULT_generic): New constant
5484 (TARGET_CPU_DEFAULT_NAMES): Add generic.
5485 (enum processor_type): Add generic32 and generic64.
5486 * i386.md (cpu attribute): Add generic32/generic64
5487 (movhi splitter): Behave sanely when both partial_reg_dependency and
5488 partial_reg_stall are set.
5489 (K8 splitters): Enable for generic as well.
5490 * predicates.md (incdec_operand): Use TARGET_INCDEC
5491 (aligned_operand): Avoid memory mismatch stalls.
5492 * athlon.md: Enable for generic64, new patterns for 128bit moves.
5493 * ppro.md: Enable for generic32
5494 * i386.c (generic64_cost, generic32_cost): New.
5495 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
5496 (x86_use_leave): Enable for generic64. (x86_use_sahf,
5497 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
5498 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
5499 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
5500 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5501 x86_partial_reg_dependency, x86_memory_mismatch_stall,
5502 x86_accumulate_outgoing_args, x86_prologue_using_move,
5503 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
5504 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
5506 (x86_use_incdec, x86_pad_returns): New.
5507 (override_options): Add generic32 and generic64, translate "generic"
5508 to generic32/generic64 and "i686" to "generic32", refuse
5509 "generic32"/"generic64" as arch target.
5510 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
5511 (ix86_reorg): Honor PAD_RETURNS.
5513 2006-01-19 Diego Novillo <dnovillo@redhat.com>
5515 * tree-pretty-print.c (dump_generic_node): Handle
5516 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
5517 * cgraph.c (cgraph_expand_queue): Rename from
5518 cgraph_analyze_queue. Update all users.
5519 * cgraphunit.c (cgraph_assemble_pending_functions): Process
5520 cgraph_expand_queue.
5521 (cgraph_expand_all_functions): Likewise.
5522 (cgraph_finalize_pending_functions): Remove. Update callers.
5524 * tree.h (OMP_DIRECTIVE_P): Define.
5525 (OMP_PARALLEL_FN): Define.
5526 (OMP_PARALLEL_DATA_ARG): Define.
5527 (OMP_SECTIONS_SECTIONS): Define.
5528 * tree-pass.h (pass_expand_omp): Declare.
5529 * omp-low.c (struct omp_region): Declare.
5530 (struct omp_context): Remove fields 'parallel_type',
5531 'parallel_start_ix' and 'parallel_start_additional_args'.
5533 (struct omp_for_data): Rename from struct expand_omp_for_data.
5534 (omp_regions): New static variable.
5535 (root_omp_region): New static variable.
5536 (find_omp_clause): Make static.
5537 (is_in_combined_parallel_ctx): Remove.
5538 (is_combined_parallel): New.
5539 (extract_omp_for_data): Move earlier in the file.
5540 (workshare_safe_to_combine_p): New.
5541 (get_ws_args_for): New.
5542 (determine_parallel_type): Move earlier in the file.
5543 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
5545 (omp_copy_decl): Likewise.
5546 (create_omp_child_function): Likewise.
5547 (lookup_omp_region): New.
5548 (dump_omp_region): New.
5549 (debug_omp_region): New.
5550 (debug_all_omp_regions): New.
5551 (new_omp_region): New.
5552 (scan_omp_parallel): If parallel_nesting_level > 1, the
5553 directive is nested within another parallel directive.
5554 Set OMP_PARALLEL_FN.
5555 (scan_omp_for): Do not try to handle combined parallel+for
5557 Remove FIXME comment.
5558 (scan_omp_nested): Remove.
5559 (scan_omp_1): Do not call scan_omp_nested when
5560 parallel_nesting_level is > 1.
5561 Do not change the DECL_CONTEXT of local variables found.
5562 (lookup_decl_in_outer_ctx): New.
5563 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
5564 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
5565 (lower_reduction_clauses): Rename from expand_reduction_clauses.
5566 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
5567 If CTX is nested, lookup VAR in the outer context when
5568 building copy assignment.
5569 (lower_send_clauses): Rename from expand_send_clauses.
5570 If CTX is nested, lookup VAR in the outer context when
5571 building copy assignments.
5572 (lower_send_shared_vars): Rename from expand_send_shared_vars.
5573 If CTX is nested, lookup VAR in the outer context when
5574 building copy assignments.
5575 (expand_parallel_call): Rename from build_parallel_call.
5576 Handle combined parallel+workshare cases.
5577 Re-implement to emit code into the CFG.
5579 (expand_omp_parallel): Re-implement to emit code into the CFG.
5580 Call move_sese_region_to_fn to outline the sub-graph
5581 containing the parallel region.
5582 (expand_omp_for_1): Remove.
5583 (expand_omp_for_generic): Re-implement to emit code into the
5585 (expand_omp_for_static_nochunk): Likewise.
5586 (expand_omp_for_static_chunk): Likewise.
5587 (expand_omp_for): Likewise.
5588 (expand_omp_sections): Likewise.
5589 (remove_exit_barriers): New.
5590 (expand_omp_synch): New.
5592 (build_omp_regions_1): New.
5593 (build_omp_regions): New.
5594 (execute_expand_omp): New.
5595 (gate_expand_omp): New.
5596 (pass_expand_omp): Define.
5597 (lower_omp_sections): Rename from expand_omp_sections.
5598 Set OMP_SECTIONS_SECTIONS.
5599 (lower_omp_single_simple): Rename from expand_omp_single_simple.
5600 (lower_omp_single_copy): Rename from expand_omp_single_copy.
5601 (lower_omp_single): Rename from expand_omp_simple.
5602 (lower_omp_master): Rename from expand_omp_master.
5603 (lower_omp_ordered): Rename from expand_omp_ordered.
5604 (lower_omp_critical): Rename from expand_omp_critical.
5605 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
5606 (lower_omp_for): Re-implement.
5607 (lower_omp_parallel): Re-implement.
5608 (lower_regimplify): Rename from expand_regimplify.
5609 (lower_omp_1): Rename from expand_omp_1.
5610 If there are syntax errors in the program, replace every
5611 OpenMP directive with NOP.
5612 Call lower_omp_* instead of expand_omp_*.
5613 (lower_omp): Rename from expand_omp.
5615 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
5616 * tree-gimple.h (enum omp_parallel_type): Remove.
5617 (gimple_boolify): Declare extern.
5618 (find_omp_clause, determine_parallel_type): Remove.
5620 * gimple-low.c (lower_omp_directive): New.
5621 (lower_stmt): Call it.
5622 (record_vars_into): Move from ...
5623 (record_vars): ... here.
5624 Call record_vars_into with current_function_decl.
5626 * gimplify.c (struct gimplify_ctx): Remove fields
5627 combined_pre_p and combined_ctxp. Update users.
5628 (get_formal_tmp_var): Add documentation.
5629 (gimple_boolify): Make extern.
5630 (gimplify_expr_in_ctx): Remove. Update callers.
5631 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
5632 will always be a BIND_EXPR.
5633 (gimplify_expr): Handle OMP_RETURN_EXPR.
5634 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
5635 (OMP_PARALLEL): Add 3 operands.
5636 (OMP_SECTIONS): Add 1 operand.
5637 (OMP_RETURN_EXPR): Define.
5639 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
5640 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
5641 * tree-iterator.c (alloc_stmt_list): Assert that we are not
5642 creating a circular free list.
5643 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
5645 * tree-flow.h (move_sese_region_to_fn): Declare.
5646 (record_vars_into): Declare.
5647 * tree-cfg.c (make_omp_sections_edges): New.
5648 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
5649 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
5650 OMP_SECTIONS and OMP_SECTION.
5651 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
5652 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
5653 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
5654 (gather_blocks_in_sese_region): New.
5655 (struct move_stmt_d): Declare.
5657 (move_block_to_fn): New.
5658 (move_sese_region_to_fn): New.
5660 * passes.c (init_optimization_passes): Schedule
5661 pass_expand_omp after pass_init_datastructures.
5663 * tree-ssa-operands.c (get_expr_operands): Handle
5664 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
5665 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
5667 2006-01-19 Jeff Law <law@redhat.com>
5669 * tree-vrp.c (extract_range_from_assert): Refine the result range
5670 if the variable referenced by the ASSERT_EXPR has a range and
5671 either the tentative result range or the previous range is a
5674 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5676 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
5678 2006-01-19 Jan Hubicka <jh@suse.cz>
5680 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
5682 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
5684 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
5685 (expand_compound_operation, expand_field_assignment): Fail if the
5686 bit lengths of an extract operation are out of range.
5687 (make_extraction): Compute wanted_inner_mode based on the position
5688 and length of the extraction. Make it extraction_mode for non-constant
5689 positions, and do not modify offset in that case. When generating a
5690 new MEM, use a mode that can hold the extraction while keeping correct
5691 alignment. Remove code that supported MEMs wrapped by USEs.
5692 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
5694 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
5696 * config/s390/s390.md ("Y", "y"): New mode attribute.
5697 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
5698 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
5699 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
5700 "*addsi3_imm_cc", "*addsi3_carry1_cc",
5701 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
5702 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
5703 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
5704 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
5705 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
5706 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
5707 "addsi3", "subsi3"): Insn patterns removed.
5708 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
5709 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
5710 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
5711 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
5712 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
5713 "*sub<mode>3_cconly2"): New insn patterns.
5714 ("addsi3", "subsi3"): New expanders.
5716 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
5718 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
5719 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
5720 existing STMT_VINFO_VECTYPE if available.
5721 (vect_mark_relevant): Add special handling for stmts that are
5722 marked as STMT_VINFO_IN_PATTERN_P.
5723 (vect_analyze_loop): Call vect_pattern_recog.
5724 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
5725 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
5727 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
5728 (vect_recog_func_ptr): New function-pointer type.
5729 * tree-vect-patterns.c: New file.
5730 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
5731 (vect_recog_dot_prod_pattern, vect_pattern_recog):
5732 (vect_pattern_recog_1): New functions.
5733 (vect_pattern_recog_funcs): New array of function pointers.
5735 * tree-vectorizer.h (ternary_op): New enum value.
5736 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
5737 declaration. Revised documentation. Removed redundant dump prints.
5738 Removed redundant argument. Added support for reduction patterns.
5739 (vectorizable_reduction): Added support for reduction patterns.
5740 (vect_transform_stmt): Added support for patterns.
5742 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
5743 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
5744 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
5745 (expand_widen_pattern_expr): New function.
5746 (init_optabs): Initialize new optabs udot_prod_optab,
5748 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
5749 (sdot_prod_optab, udot_prod_optab): Define new optabs.
5750 (expand_widen_pattern_expr): New function declaration.
5751 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
5753 * tree-inline.c (estimate_num_insns_1): Added cases for new
5754 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5755 * tree-pretty-print.c (dump_generic_node): Likewise.
5756 (op_prio): Likewise.
5757 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
5758 * tree-ssa-operands.c (get_expr_operands): Added case for
5760 * tree-vect-patterns.c (widened_name_p): New function.
5761 (vect_recog_dot_prod_pattern): Added function implementation.
5762 * tree-vect-transform.c (get_initial_def_for_reduction): Added
5763 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
5764 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
5765 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
5767 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
5768 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
5769 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
5770 (init_optabs): Initialize new optabs widen_ssum_optab,
5772 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
5773 (widen_ssum_optab, widen_usum_optab): Define new optabs.
5774 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
5775 use instead of type of def.
5776 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
5777 function implementation.
5778 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
5779 widen_ssumv8hi): New.
5781 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
5784 2006-01-19 Richard Sandiford <richard@codesourcery.com>
5787 * c-decl.c (add_flexible_array_elts_to_size): New function.
5788 (finish_decl): Use it.
5790 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
5792 * diagnostic.h: Include options.h.
5793 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
5794 dependancies for diagnostic.h.
5795 * Makefile.in (DIAGNOSTIC_H): Add options.h.
5797 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
5799 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
5800 (ssa_ro_call_cache_valid): Ditto.
5801 * tree-ssa-alias.c (sort_tags_by_id): New function.
5802 (init_transitive_clobber_worklist): Ditto.
5803 (add_to_worklist): Ditto.
5804 (mark_aliases_call_clobbered): Ditto.
5805 (compute_tag_properties): Ditto.
5806 (set_initial_properties): Ditto.
5807 (compute_call_clobbered): Ditto.
5808 (compute_may_aliases): Call compute_call_clobbered and grouping.
5809 (compute_flow_sensitive_aliasing): Remove clobbering related code.
5810 (compute_flow_insensitive_aliasing): Grouping now happens in our
5812 (setup_pointers_and_addressables): Remove clobbering related code.
5813 (add_may_alias): Ditto.
5814 (replace_may_alias): Ditto.
5815 (get_nmt_for): Ditto.
5816 (create_global_var):
5817 (is_escape_site): Return an escape_type enumeration.
5818 * tree-flow-inline.h (is_call_clobbered): Global var does not
5819 imply call clobbered.
5820 (mark_call_clobbered): Take a reason for marking this. Remove
5821 marking of globalness, and cache invalidation.
5822 (clear_call_clobbered): Remove cache invalidation code.
5823 * tree-dfa.c (dump_variable): If details is on, dump the reason
5825 * tree-outof-ssa.c (create_temp): Copy escape mask from original
5827 * tree-flow.h (struct ptr_info_def): Add escape mask member.
5828 (struct var_ann_d): Ditto.
5829 (enum escape_type): New.
5830 (mark_call_clobbered): Adjust prototype.
5831 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
5832 are never call clobbered.
5833 Record reasons for escaping.
5834 * tree-ssa-structalias.h (is_escape_site): Update prototype.
5835 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
5836 (ssa_ro_call_cache_valid): Ditto.
5837 (clobbered_v_may_defs): Ditto.
5838 (clobbered_vuses): Ditto.
5839 (ro_call_vuses): Ditto.
5840 (clobber_stats): New.
5841 (init_ssa_operands): Zero out clobber stats.
5842 (fini_ssa_operands): Print out clobber stats.
5843 (get_call_expr_operands): Pass callee fndecl to
5845 (add_call_clobber_ops): Remove use of cache.
5846 Add use of PURE_CONST information.
5847 (add_call_read_ops): Remove use of cache.
5848 Add use of static not_read information.
5850 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
5852 Introduce TLS descriptors for i386 and x86_64.
5853 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
5854 (TARGET_ANY_GNU_TLS): New macro.
5855 (enum tls_dialect): Added TLS_DIALECT_GNU2.
5856 (struct machine_function): Add tls_descriptor_call_expanded_p.
5857 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
5858 (ix86_current_function_calls_tls_descriptor): Likewise.
5859 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
5860 (override_options): Introduce gnu2 tls dialect.
5861 (ix86_frame_pointer_required): Functions containing TLSCALLs are
5863 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
5865 (legitimize_tls_address): Adjust logic for GNU2 TLS.
5866 (ix86_init_machine_status): Initialize new field.
5867 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
5868 (ix86_tls_module_base): New.
5869 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
5870 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
5871 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
5872 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
5873 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
5874 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
5875 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
5876 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
5877 * config/i386/predicates.md (tls_modbase_operand): New.
5878 (tp_or_register_operand): New.
5880 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
5882 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
5883 (look_for_address_of): Ditto.
5884 (ipa_init): Walk the function decls.
5885 (static_execute): Don't set readonly on FUNCTION_DECL's.
5887 2006-01-18 Roger Sayle <roger@eyesopen.com>
5889 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
5890 for shifts where the source and destination registers are different.
5892 2006-01-18 Paul Brook <paul@codesourcery.com>
5894 Merge from csl-arm-branch.
5895 2005-03-14 Julian Brown <julian@codesourcery.com>
5896 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
5897 (aeabi_llsl): Likewise.
5898 (ashrdi3): Likewise.
5899 (aeabi_lasr): Likewise.
5900 (lshrdi3): Likewise.
5901 (aeabi_llsr): Likewise.
5902 2005-03-10 Julian Brown <julian@codesourcery.com>
5903 * config.gcc: Disable shared libgcc for SymbianOS.
5904 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
5906 2006-01-18 DJ Delorie <dj@redhat.com>
5908 * c-pragma.c (handle_pragma_diagnostic): New.
5909 (init_pragma): Register it.
5910 * doc/extend.texi: Document it.
5912 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
5913 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
5914 (diagnostic_context): Add classify_diagnostic[].
5915 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
5916 as errors if they're overridden to DK_WARNING.
5917 (diagnostic_initialize): Initialize classify_diagnostic[].
5918 (diagnostic_set_kind_override): New.
5919 (diagnostic_report_diagnostic): Check for kind changes.
5920 * opts.c (common_handle_option): Take lang_mask. Update callers.
5922 * common.opt (Werror=): New.
5923 * doc/invoke.texi: Document -Werror=*
5925 2006-01-18 Jeff Law <law@redhat.com>
5927 * tree-vrp.c (test_for_singularity): Correct test for new
5928 min limit. Use operand_equal_p rather than pointer equality
5929 for testing if new min/max values are equal.
5931 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
5932 using range information until after propagation and folding.
5934 2006-01-18 Richard Henderson <rth@redhat.com>
5935 Aldy Hernandez <aldyh@redhat.com>
5936 Jakub Jelinek <jakub@redhat.com>
5937 Diego Novillo <dnovillo@redhat.com>
5939 * omp-low.c: New file.
5940 * c-omp.c: New file.
5942 2006-01-18 Richard Henderson <rth@redhat.com>
5943 Jakub Jelinek <jakub@redhat.com>
5944 Diego Novillo <dnovillo@redhat.com>
5946 * doc/invoke.texi: Document -fopenmp.
5947 * tree-dump.h (debug_function): Declare.
5948 * hooks.c (hook_bool_tree_bool_false): New function.
5949 (hook_tree_tree_null): Remove.
5950 (hook_tree_tree_tree_null): New.
5951 * hooks.h: Update to match.
5952 * tree-pretty-print.c (debug_tree_chain): New.
5953 (print_generic_expr): Handle TDF_CHAIN.
5954 (dump_generic_node): Handle BLOCK.
5955 Do not abort with incomplete SWITCH_EXPRs.
5956 Do not dump body of an OpenMP directive if TDF_SLIM is given.
5957 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
5958 print space after directive name.
5959 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
5960 Handle OMP_MASTER and OMP_ORDERED.
5961 Handle printing of OMP_BODY just in one place, goto
5962 dump_omp_body in the rest of OMP_* nodes that have
5964 Don't handle clause nodes here. Update omp statements to
5965 use dump_omp_clauses.
5966 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
5967 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
5968 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
5969 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
5970 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
5971 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
5972 Adjust output for GOMP_PARALLEL.
5973 (dump_omp_clauses): New.
5974 (print_declaration): Dump DECL_VALUE_EXPR.
5975 (op_symbol_1): Split out of op_symbol.
5976 (dumping_stmts): Remove. Update all users.
5977 * cgraph.c (cgraph_analyze_queue): New.
5978 (cgraph_add_new_function): New.
5979 * cgraph.h (cgraph_analyze_queue): Declare.
5980 (cgraph_add_new_function): Declare.
5981 (cgraph_lower_function): Remove.
5982 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
5983 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
5984 and TYPE_P nodes in its default clause.
5985 (empty_body_p): New.
5986 (tree_range_check_failed): New.
5988 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
5989 OMP_CLAUSE_REDUCTION_MERGE,
5990 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
5991 OMP_CLAUSE_PRIVATE_DEBUG,
5992 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
5993 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
5994 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
5995 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
5996 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
5997 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
5998 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
5999 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
6000 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
6001 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
6002 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
6003 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
6004 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
6005 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
6006 (TREE_RANGE_CHECK): New.
6007 (empty_body_p): Declare.
6008 (enum omp_clause_default_kind): New.
6009 (build_string_literal): Declare.
6010 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
6011 (build5_stat, build5): Declare.
6012 * tree-pass.h (TDF_CHAIN): Define.
6013 * tree-pass.h (PROP_gimple_lomp): Define.
6014 (pass_lower_omp): Declare.
6015 * diagnostic.h (debug_tree_chain): Declare.
6016 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
6018 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
6019 * builtins.c (build_string_literal): Make extern.
6020 * gcc.c (include_spec_function): New.
6021 (static_spec_functions): Add it.
6022 (main): Move load of libgomp.spec ...
6023 (LINK_COMMAND_SPEC): ... here.
6024 (link_gomp_spec): New.
6025 (static_specs): Include it.
6026 (LINK_COMMAND_SPEC): Add link_gomp.
6027 (GOMP_SELF_SPECS): New.
6028 (driver_self_specs): Include it.
6029 (switch_matches): Don't mark inline.
6030 (main): Load libgomp.spec.
6031 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
6032 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
6033 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
6034 * tree-gimple.h (enum omp_parallel): Declare.
6035 (determine_parallel_type): Declare.
6036 (omp_firstprivatize_variable): Declare.
6037 (omp_reduction_init): Declare.
6038 (diagnose_omp_structured_block_errors): Declare.
6039 (struct walk_stmt_info): Add want_return_expr.
6040 (struct walk_stmt_info): Add want_bind_expr, want_locations.
6041 (find_omp_clause): Declare.
6042 (insert_field_into_struct): Declare.
6043 (struct walk_stmt_info): Move from tree-nested.c
6044 (walk_stmts): Declare.
6045 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
6047 * cgraphunit.c (cgraph_lower_function): Make static.
6048 (cgraph_finalize_pending_functions): New.
6049 (cgraph_finalize_function): Call it.
6050 (cgraph_finalize_compilation_unit): Likewise.
6051 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
6052 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
6053 (BT_FN_UINT_UINT): New.
6054 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
6055 DEF_FUNCTION_TYPE_VAR_4): Document.
6056 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
6057 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
6058 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
6059 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
6060 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
6061 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
6062 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
6063 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
6064 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
6065 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
6066 into separate files.
6067 (DEF_GOMP_BUILTIN): New.
6068 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
6069 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
6070 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
6071 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
6072 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
6073 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
6074 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
6075 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
6076 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
6077 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
6078 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
6079 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
6080 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
6081 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
6082 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
6083 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
6084 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
6085 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
6086 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
6087 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
6088 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
6089 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
6090 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
6091 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
6092 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
6093 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
6094 * sync-builtins.def: New file, moved from builtins.def.
6095 * omp-builtins.def: New file, moved from builtins.def.
6096 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
6097 * gimple-low.c (lower_function_body): Clear data.
6098 (lower_stmt): Do not handle COMPOUND_EXPR.
6099 Remove call to print_node_brief.
6100 * c-tree.h (c_finish_omp_clauses): New prototype.
6101 (C_DECL_THREADPRIVATE_P): Define.
6102 (lookup_name_no_remap, c_omp_remap_private): Remove
6103 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
6104 (check_for_loop_decls): Update decl.
6105 (lookup_name_no_remap, c_omp_remap_private): Declare.
6106 (build_indirect_ref, build_modify_expr, pushdecl,
6107 pushdecl_top_level): Move to c-common.h.
6108 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
6109 before the switch, but just in the 2 places that need it.
6110 * c-decl.c (diagnose_mismatched_decls): Do not check for
6111 mismatched thread-local attributes when OLDDECL is marked
6112 threadprivate and NEWDECL has no thread-local attributes.
6113 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
6114 (c_gimple_diagnostics_recursively): Rename from
6115 c_warn_unused_result_recursively. Invoke
6116 diagnose_omp_structured_block_errors.
6117 (check_for_loop_decls): Return a singular decl found.
6118 * langhooks.c (lhd_omp_predetermined_sharing): Return
6119 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
6120 (lhd_omp_firstprivatize_type_sizes): New.
6121 (lhd_omp_assignment): New.
6122 (lhd_omp_predetermined_sharing): New.
6123 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
6124 (struct lang_hooks_for_types): Add
6125 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
6126 omp_predetermined_sharing, omp_disregard_value_expr,
6127 omp_private_debug_clause, omp_clause_default_ctor,
6128 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
6129 (c_finish_omp_clauses): New.
6130 (c_finish_bc_stmt): Diagnose break within omp for.
6131 (c_begin_omp_parallel, c_finish_omp_parallel): New.
6132 (build_unary_op): Return error_mark after reporting
6134 (build_modify_expr): Likewise.
6135 * gimplify.c: Include optabs.h and pointer-set.h.
6136 (enum gimplify_omp_var_data): Declare.
6137 (struct gimplify_omp_ctx): Declare.
6138 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
6140 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
6141 (push_gimplify_context, pop_gimplify_context): Allow nesting.
6142 (splay_tree_compare_decl_uid): New.
6143 (new_omp_context): New.
6144 (delete_omp_context): New.
6145 (gimple_add_tmp_var): Call omp_add_variable.
6146 (gimplify_bind_expr): Likewise.
6147 (gimplify_var_or_parm_decl): If omp_notice_variable returned
6148 true, disregard DECL_VALUE_EXPR on the decl if any.
6149 (gimplify_expr_in_ctx): New.
6150 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
6151 omp_add_variable, omp_notice_variable, omp_is_private
6152 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
6153 gimplify_adjust_omp_clauses, gimplify_omp_parallel
6154 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
6155 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
6156 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
6157 gimplify_omp_atomic): New.
6158 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6159 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6160 OMP_CRITICAL and OMP_ATOMIC.
6161 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
6162 * c-pragma.h (enum pragma_kind): Add
6163 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
6164 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
6165 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
6166 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
6167 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
6168 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
6169 PRAGMA_OMP_THREADPRIVATE.
6170 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
6171 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
6172 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
6173 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
6174 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
6175 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
6176 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
6177 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
6178 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
6179 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
6180 * tree-ssa-dce.c (find_control_dependence): Do not assume that
6181 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
6182 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
6184 (struct nesting_info): Add field_map,
6185 suppress_expansion, debug_var_chain.
6186 (create_nesting_tree): Initialize them.
6187 (lookup_field_for_decl): Use field_map.
6188 (get_nonlocal_debug_decl, get_local_debug_decl): New.
6189 (convert_local_omp_clauses): New.
6190 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
6191 (walk_body): Split out of walk_function.
6192 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
6193 (convert_nonlocal_reference): Handle omp statements.
6194 (convert_local_reference): Likewise.
6195 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
6196 (unnest_nesting_tree): New.
6197 (lower_nested_functions): Call it.
6198 (insert_field_into_struct): Make extern.
6199 (struct walk_stmt_info): Move to tree-gimple.h.
6200 (walk_stmts): Make extern.
6201 * omp-builtins.def: New file.
6202 * tree-iterator.c (expr_only): Clarify comment.
6203 * c-common.h (pushdecl_top_level, pushdecl,
6204 build_modify_expr, build_indirect_ref,
6205 c_finish_omp_master, c_finish_omp_critical,
6206 c_finish_omp_ordered, c_finish_omp_barrier,
6207 c_finish_omp_atomic, c_finish_omp_flush,
6208 c_finish_omp_for, c_split_parallel_clauses,
6209 omp_clause_default_kind, c_omp_sharing_predetermined,
6210 c_omp_remap_decl): Declare.
6211 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
6212 (OBJS-common): Add omp-low.o.
6213 (c-omp.o, omp-low.o): Add.
6214 (gimplify.o): Add dependency on $(OPTABS_H).
6215 (GTFILES): Add omp-low.c.
6216 (gt-stringpool.h): Add.
6217 * tree-cfg.c (set_bb_for_stmt): Do not update the
6218 block-to-labels map if we are currently expanding to RTL.
6219 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
6221 Handle IDENTIFIER_NODE.
6222 (tree_verify_flow_info): Do not ICE when emitting error
6223 messages about invalid labels.
6224 (dump_function_to_file): Reset CFUN before emitting the body
6226 (debug_function): New.
6227 * passes.c (init_optimization_passes): Schedule
6229 * langhooks-def.h (lhd_omp_predetermined_sharing,
6230 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
6232 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
6233 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
6234 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
6235 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
6236 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
6237 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
6238 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
6239 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
6240 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
6241 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
6242 (LANG_HOOK_DECLS): Use them.
6244 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
6245 Richard Henderson <rth@redhat.com>
6246 Jakub Jelinek <jakub@redhat.com>
6247 Diego Novillo <dnovillo@redhat.com>
6249 * c-parser.c (pragma_omp_clause): Define.
6250 (c_parser_declaration_or_fndef): Document OpenMP syntax.
6251 (c_parser_compound_statement): Likewise.
6252 (c_parser_statement): Likewise.
6253 (c_parser_pragma): Handle omp pragmas.
6254 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
6255 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
6256 (c_parser_omp_clause_name, check_no_duplicate_clause,
6257 c_parser_omp_variable_list,
6258 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
6259 c_parser_omp_clause_copyprivate,
6260 c_parser_omp_clause_default,
6261 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
6262 c_parser_omp_clause_lastprivate,
6263 c_parser_omp_clause_nowait,
6264 c_parser_omp_clause_num_threads,
6265 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
6266 c_parser_omp_clause_reduction,
6267 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
6268 c_parser_omp_all_clauses, c_parser_omp_structured_block,
6269 c_parser_omp_atomic, c_parser_omp_barrier,
6270 c_parser_omp_critical, c_parser_omp_flush,
6271 c_parser_omp_for_loop, c_parser_omp_for,
6272 c_parser_omp_master, c_parser_omp_ordered,
6273 c_parser_omp_sections_scope, c_parser_omp_sections,
6274 c_parser_omp_parallel, c_parser_omp_single,
6275 c_parser_omp_construct, c_parser_omp_threadprivate): New.
6276 * c-pragma.c (init_pragma): Do omp pragma registration here.
6277 * c.opt (fopenmp): New flag.
6279 2006-01-18 Eric Christopher <echristo@apple.com>
6281 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
6282 * config/darwin.h (GOMP_SELF_SPECS): Define.
6284 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6286 * rtl.h: Remove the prototype for reg_alloc.
6288 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6291 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
6292 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
6293 sjlj and dwarf2 exception handling.
6294 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
6295 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
6296 * pa/pa.c (function_value): Treat complex and vector types as
6298 (function_arg): Likewise. Only pass scalar floats in the floating
6299 point argument registers.
6300 * pa/t-slibgcc-dwarf-ver: New file.
6301 * pa/t-slibgcc-sjlj-ver: New file.
6302 * pa/t-slibgcc-elf-ver: Delete file.
6304 2006-01-19 Alan Modra <amodra@bigpond.net.au>
6306 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
6307 unlikely_test_section_p test.
6309 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6311 * mode-switching.c (optimize_mode_switching): Make it static.
6312 * basic-block.h: Remove the prototype for
6313 optimize_mode_switching.
6315 * modulo-sched.c (sms_schedule): Make it static.
6316 * rtl.h: Remove the prototype for sms_schedule.
6318 * postreload-gcse.c (gcse_after_reload_main): Make it static.
6319 * rtl.h: Remove the prototype for gcse_after_reload_main.
6321 * reg-stack.c (reg_to_stack): Make it static.
6322 * rtl.h: Remove the prototype for reg_to_stack.
6324 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
6326 * rtl.h: Remove the prototypes for regrename_optimize and
6327 copyprop_hardreg_forward.
6329 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
6331 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
6332 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
6333 Test against the appropriate null constant for the mode.
6334 If 'fixup_overlap' is true, swap the operands if they overlap.
6335 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
6336 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
6337 alpha_split_tmode_pair and adjust for above change.
6338 * config/alpha/alpha.md (movtf_internal): Adjust call to
6339 alpha_split_tfmode_pair and rely on it to swap the operands.
6340 (movti_internal): New insn and post-reload splitter.
6341 (movti): New expander.
6343 2006-01-18 Philippe De Muyter <phdm@macqel.be>
6345 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
6348 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
6350 * rtlanal.c (global_reg_mentioned_p_1,
6351 global_reg_mentioned_p): Remove.
6352 * rtl.h: Remove the prototype for global_reg_mentioned_p.
6354 * flow.c (initialize_uninitialized_subregs): Make it static.
6355 * rtl.h: Remove the prototype for
6356 initialize_uninitialized_subregs.
6358 * function.c (instantiate_virtual_regs): Make it static.
6359 * function.h: Remove the prototype for
6360 instantiate_virtual_regs.
6362 * regmove.c (regmove_optimize, combine_stack_adjustments):
6364 * rtl.h: Remove the prototypes for regmove_optimize and
6365 combine_stack_adjustments.
6367 2006-01-17 Roger Sayle <roger@eyesopen.com>
6369 * config/i386/i386.c (COSTS_N_BYTES): New macro.
6370 (size_cost): Encode costs in bytes so that a reg-reg addition is
6371 equivalent to COSTS_N_INSNS(1).
6372 (override_options): Use the size_cost.branch_cost as the default
6373 ix86_branch_cost when optimizing for size.
6375 2006-01-18 Ben Elliston <bje@au.ibm.com>
6377 * Makefile.in (D32PBIT_FUNCS): New.
6378 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
6379 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
6380 D64PBIT_FUNCS and D128PBIT_FUNCS.
6381 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
6382 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
6384 (decnumber_dep): Define.
6385 * doc/libgcc.texi (Decimal float library routines): New node.
6386 * config/dfp-bit.h, config/dfp-bit.c: New files.
6388 2006-01-18 Ben Elliston <bje@au.ibm.com>
6390 * expr.c (emit_move_change_mode): Always adjust addresses, not
6391 just during reload. Copy replacements only during reload.
6392 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
6393 emit_move_via_integer.
6395 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
6397 * Makefile.in (check-%, check-consistency): Use $${srcdir}
6398 instead of $(srcdir) and ${srcdir}.
6400 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
6404 * arm.h (struct machine_function): Add pic_reg.
6405 * arm.c (arm_pic_register): Make unsigned.
6406 (arm_override_options): Only set arm_pic_register if
6407 TARGET_SINGLE_PIC_BASE.
6408 (use_return_insn): Only test for a pic register if it is fixed.
6409 (arm_compute_save_reg0_reg12_mask): Likewise.
6410 (thumb_compute_save_reg_mask): Likewise.
6411 (legitimate_pic_operand): Factor out some known invariants.
6412 (legitimize_pic_address): If we don't have a fixed pic register,
6413 then set up a pseudo in the function entry sequence. Handle the
6414 pic base being in a pseudo.
6415 (arm_load_pic_register): Handle the pic register being in a pseudo.
6416 (arm_expand_prologue): Only set up the pic register if it is fixed.
6417 (thumb_expand_prologue): Likewise.
6418 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
6419 (pic_load_addr_based_insn): Likewise.
6420 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
6423 2006-01-18 Ben Elliston <bje@au.ibm.com>
6425 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
6426 decimal float modes for all floating point registers.
6428 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
6429 match_code "mem" with match_test "macho_lo_sum_memory_operand".
6431 2006-01-17 Jakub Jelinek <jakub@redhat.com>
6434 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
6435 even when the pointer is not NULL.
6437 2006-01-16 Ian Lance Taylor <ian@airs.com>
6439 * common.opt (ftoplevel-reorder): New option.
6440 * cgraph.c (cgraph_asm_nodes): New global variable.
6441 (cgraph_asm_last_node): New static variable.
6442 (cgraph_order): New global variable.
6443 (cgraph_create_node): Set new order field.
6444 (cgraph_varpool_node): Likewise.
6445 (decide_is_variable_needed): Return true if not
6446 flag_toplevel_reorder.
6447 (cgraph_add_asm_node): New function.
6448 * cgraph.h (struct cgraph_node): Add order field.
6449 (struct cgraph_varpool_node): Add order field.
6450 (struct cgraph_asm_node): Define.
6451 (cgraph_asm_nodes, cgraph_order): Declare.
6452 (cgraph_add_asm_node): Declare.
6453 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
6455 (cgraph_varpool_assemble_pending_decls): Call it.
6456 (cgraph_output_pending_asms): New static function.
6457 (cgraph_finalize_compilation_unit): Call it.
6458 (struct cgraph_order_sort): Define.
6459 (cgraph_output_in_order): New static function.
6460 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
6461 !flag_toplevel_reorder case.
6462 * c-parser.c: Include "cgraph.h".
6463 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
6465 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
6466 than -fno-unit-at-a-time.
6467 * doc/invoke.texi (Option Summary): Mention
6468 -fno-toplevel-reorder.
6469 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
6470 -funit-at-a-time documentation.
6472 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
6473 Kazu Hirata <kazu@codesourcery.com>
6475 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
6477 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
6479 * Makefile.in (FUNCTION_H): New. Use it instead of
6480 function.h throughout the file.
6481 * function.h: Include tree.h.
6483 2006-01-17 Ben Elliston <bje@au.ibm.com>
6485 * recog.c: Separate some functions with whitespace.
6487 2006-01-16 Richard Henderson <rth@redhat.com>
6489 Merge from gomp branch:
6490 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
6491 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
6492 and rename from struct inline_data. Rename callee* to dst*;
6493 caller* to src*; add copy_decl hook, transform_call_graph_edges,
6494 transform_new_cfg, transform_return_to_modify, and
6495 transform_lang_insert_block flags; remove cloning_p, versioning_p,
6497 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
6498 (copy_decl_for_dup): Remove.
6499 * tree-inline.c (struct inline_data): Move to header.
6500 (insert_decl_map): Export.
6501 (remap_decl): Update for member name changes. Use copy_decl hook.
6502 Allow for replacement to be a non-decl. Remove dead code.
6503 (remap_type_1): Check for existing mapping.
6504 (remap_type): Export.
6505 (remap_decls): Update for member name changes.
6506 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
6507 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
6508 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
6509 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
6510 (tree_function_versioning, build_duplicate_type): Likewise.
6511 (copy_body_r): Likewise. Export.
6512 (copy_decl_for_dup): Split into ...
6513 (copy_decl_for_dup_finish, copy_decl_to_var,
6514 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
6515 (replace_ref_tree, inlining_p): Remove.
6517 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6519 * ifcvt.c (if_convert): Make it static.
6520 * rtl.h: Remove the prototype for if_convert.
6522 * local-alloc.c (local_alloc): Make it static.
6523 * rtl.h: Remove the prototype for local_alloc.
6525 * loop.c (loop_optimize): Make it static.
6526 * cfgloop.h: Remove the prototype for loop_optimize.
6529 2006-01-16 DJ Delorie <dj@redhat.com>
6531 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
6534 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6536 * pa.md: Disparage copies between general and floating-point registers
6537 in 32-bit move patterns.
6539 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
6542 * Makefile.in (check-%): Depend on site.exp instead of
6543 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
6546 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6548 * global.c (global_alloc): Make it static.
6549 * rtl.h: Remove the prototype for global_alloc.
6551 2006-01-16 Richard Guenther <rguenther@suse.de>
6553 * tree-ssa-alias.c (struct used_part): Add write_only field.
6554 (get_or_create_used_part_for): Initialize it to true.
6555 (create_overlap_variables_for): Don't create structure variables
6556 for structures that only are written to.
6557 (find_used_portions): Handle MODIFY_EXPR to track whether a
6558 structure is only written to.
6560 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6562 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
6564 * basic-block.h: Remove the prototype for
6565 partition_hot_cold_basic_blocks.
6567 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
6569 * cppspec.c (lang_specific_spec_functions): Remove.
6570 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
6571 * gcc.h (lang_specific_spec_functions): Remove.
6572 * gccspec.c (lang_specific_spec_functions): Remove.
6574 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
6576 * combine.c (record_value_for_reg): Invalidate registers
6578 (record_dead_and_set_regs_1): Likewise, by passing them to
6579 record_value_for_reg.
6580 (record_dead_and_set_regs): Invalidate stores made by a
6581 call. We do not combine across a call, but we still
6582 relied on equivalences.
6584 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6586 * tree-vrp.c (extract_range_from_binary_expr): Cope with
6587 vrp_int_const_binop returning non-constant nodes.
6589 2006-01-16 Paul Brook <paul@codesourcery.com>
6591 * config/m68k/m68k.c (output_move_const_into_data_reg):
6592 Output correct mnemonic for mvz and mvs.
6594 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
6596 * rtl-factoring.c: Add sequence abstraction algorithm.
6597 * cfgcleanup.c (outgoing_edges_match): Extra checks.
6598 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
6600 (block_has_preserve_label): New function.
6601 * common.opt: Register new pass.
6602 * Makefile.in: Ditto.
6604 * timevar.def: Ditto.
6605 * tree-pass.h: Ditto.
6606 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
6607 * rtl.h (make_jump_insn_raw): Add forward decl.
6608 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
6610 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
6611 Roger Sayle <roger@eyesopen.com>
6613 * fold-const.c (fold_minmax): New static function.
6614 (fold_binary) <MIN_EXPR>: Call it.
6615 <MAX_EXPR>: Likewise.
6616 * stor-layout.c (place_field): Use DECL_SIZE consistently
6617 in the computation of the new record size.
6619 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
6621 * cse.c (cse_condition_code_reg): Make it static.
6622 * rtl.h: Remove the prototype for cse_condition_code_reg.
6624 * combine.c (combine_instructions): Make it static.
6625 * rtl.h: Remove the prototype for combine_instructions.
6627 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6630 * tree.c (get_file_function_name_long): Concatenate the first global
6631 object name with a string derived from the input filename of the object
6634 2006-01-16 Ben Elliston <bje@au.ibm.com>
6636 * config/i386/winnt-stubs.c: Update FSF address.
6637 * config/xtensa/ieee754-df.S: Ditto.
6638 * config/xtensa/ieee754-sf.S: Ditto.
6640 2006-01-14 Ian Lance Taylor <ian@airs.com>
6642 * ifcvt.c (noce_init_if_info): New static function, broken out of
6643 noce_process_if_block.
6644 (noce_process_if_block): Call noce_init_if_info.
6645 (check_cond_move_block): New static function.
6646 (cond_move_process_if_block): New static function.
6647 (process_if_block): Call cond_move_process_if_block.
6649 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
6651 * cselib.c (hash_table): Rename to cselib_hash_table.
6652 (cselib_clear_table, discard_useless_values,
6653 remove_useless_values, cselib_lookup_mem, cselib_lookup,
6654 cselib_init, cselib_finish): Adjust uses of hash_table.
6656 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
6658 PR tree-optimization/25485
6659 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
6660 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
6661 is known to be false and true, respectively.
6663 2006-01-14 Richard Guenther <rguenther@suse.de>
6665 PR tree-optimization/22548
6666 PR tree-optimization/22555
6667 PR tree-optimization/22501
6668 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
6669 * params.def (salias-max-array-elements): New parameter.
6670 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
6671 * doc/invoke.texi (salias-max-array-elements): Document.
6672 * tree-flow-inline.h (var_can_have_subvars): We also handle
6674 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
6676 * tree-ssa-structalias.c (params.h): Include.
6677 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
6678 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
6679 (get_constraint_for): For ADDR_EXPR operating on something
6680 containing an ARRAY_REF, add all subvars to the solution.
6681 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
6682 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
6683 for creating MUST_DEFs.
6684 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
6686 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
6688 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
6690 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
6691 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6692 number_of_iterations_le): New functions.
6693 (number_of_iterations_special): Removed.
6694 (number_of_iterations_exit): Do not use number_of_iterations_special.
6695 * tree.c (unsigned_type_for): Always return integer type.
6697 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
6698 Richard Guenther <rguenther@suse.de>
6700 PR rtl-optimization/24257
6701 * gcse.c (find_moveable_store): Only consider a store movable
6702 when the SET_SRC of the insn can be assigned to a register.
6704 2006-01-14 Ian Lance Taylor <ian@airs.com>
6706 * tree.c (tree_not_class_check_failed): New function.
6707 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
6708 (tree_not_class_check_failed): Declare.
6710 2006-01-13 Ian Lance Taylor <ian@airs.com>
6712 * reload1.c (do_output_reload): Add assertion rejecting a
6715 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
6717 * combine.c (struct reg_stat): Add new fields truncation_label and
6719 (record_value_for_reg): Reset truncated_to_mode.
6720 (record_truncated_value): New function.
6721 (check_promoted_subreg): Call it. Rename to check_conversions.
6722 (combine_instructions): Rename check_promoted_subreg to
6724 (reg_truncated_to_mode): New function.
6725 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
6726 (gen_lowpart_or_truncate): New function.
6727 (force_to_mode): Use it instead of gen_lowpart.
6729 2006-01-13 Diego Novillo <dnovillo@redhat.com>
6731 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
6732 VAR is a tag, not its type tag.
6734 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
6736 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
6737 alternatives to match style of other entries.
6738 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
6740 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
6742 PR tree-optimization/25771
6743 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
6746 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
6749 * tree-inline.c (declare_return_variable): If the return variable
6750 was marked as a non gimple complex, set the return slot variable
6751 to be a non gimple comple variable.
6753 2006-01-13 Richard Guenther <rguenther@suse.de>
6755 * builtins.c (expand_builtin_sincos): New function.
6756 (expand_builtin_mathfn_3): Remove dead code, sin and cos
6758 (expand_builtin): Expand sincos using expand_builtin_sincos.
6760 2006-01-12 DJ Delorie <dj@redhat.com>
6762 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
6763 shift counts, separate SI shifts for m32c vs m16c, pass shift type
6764 so that constant shifts can be split.
6765 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
6766 (m32c_valid_pointer_mode): Make static.
6767 (shift_gen_func_for): New.
6768 (m32c_prepare_shift): Use it. Split large const shifts into
6770 * config/m32c/predicates.md (shiftcount_operand): Allow more
6772 (longshiftcount_operand): New.
6773 * doc/md.texi (Machine Constraints): Document In6.
6775 2006-01-13 Ben Elliston <bje@au.ibm.com>
6777 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
6778 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
6781 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
6783 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
6784 to try to avoid clobbering pieces of structures when we know
6785 something about the whole structure.
6786 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
6788 2006-01-13 Ben Elliston <bje@au.ibm.com>
6790 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
6791 return in memory, as this is no limitation is no longer present.
6793 2006-01-12 DJ Delorie <dj@redhat.com>
6795 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
6796 mova with fb, and for fb+0 -> An.
6798 * config/m32c/mov.md (peephole2): Fix enabling logic.
6800 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
6801 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
6802 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
6803 FINI_ARRAY_SECTION_ASM_OP): Define.
6805 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
6807 (m32c_legitimize_reload_address): New logic to reload FB to An.
6808 (m32c_output_reg_push): Add newline.
6809 (m32c_output_reg_pop): Likewise.
6811 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
6813 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
6815 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
6817 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
6819 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6821 * config/sh/predicates.md (sh_rep_vec): Add parallel to
6824 2006-01-11 Ben Elliston <bje@au.ibm.com>
6826 * rtlanal.c (find_reg_note): Assert insn is not null.
6828 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6830 * df-scan.c (df_hard_reg_init): Move declaration of i outside
6833 2006-01-11 Jeff Law <law@redhat.com>
6835 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
6837 (mark_threaded_blocks, register_jump_thread): New functions.
6838 (thread_through_all_blocks): Remove unwanted argument. No
6839 longer rely on e->aux to communicate thread target info.
6840 Call mark_threaded_blocks. Release the threaded_blocks
6841 bitmap and threaded_edges vector when complete.
6842 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
6843 (threaded_blocks): Remove.
6844 (tree_ssa_dominator_optimize): Remove initialization and
6845 finalization of threaded_blocks. Simplify call to
6846 thread_through_all_blocks.
6847 (thread_across_edge): Call register_jump_thread rather than
6848 storing thread information into e->aux.
6849 (free_all_edge_infos): Simplify now that e->aux is no longer
6850 used to communicate with thread_through_all_blocks.
6851 * tree-flow.h (thread_through_all_blocks): Update prototype.
6852 (register_jump_thread): Prototype.
6854 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6856 * df-core.c (df_compact_blocks, df_bb_replace): Use
6857 SET_BASIC_BLOCK instead of BASIC_BLOCK.
6859 2006-01-11 Richard Guenther <rguenther@suse.de>
6861 PR tree-optimization/25734
6862 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
6863 stop propagation after successful propagation to the LHS.
6865 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
6867 * basic-block.h (control_flow_graph): Change the type of
6868 x_basic_block_info to VEC(basic_block,gc) *.
6869 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
6871 (SET_BASIC_BLOCK): New.
6872 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
6873 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
6874 * cfgbuild.c (find_basic_blocks): Likewise.
6875 * cfglayout.c (fixup_reorder_chain): Likewise.
6876 * cfgrtl.c (create_basic_block_structure,
6877 rtl_create_basic_block): Likewise.
6878 * ifcvt.c (find_if_case_1): Likewise.
6879 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
6882 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
6884 * Makefile.in: Removed rotted odf.c entry.
6886 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
6889 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
6890 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
6891 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
6892 output pattern modifier, not %e.
6893 * config/cris/cris.c (cris_op_str): Update comment about pattern
6895 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
6896 before falling through into...
6897 <case 'E'>: Redefined from old 'e' case.
6899 2006-01-11 Jan Hubicka <jh@suse.cz>
6902 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
6904 2006-01-11 Jan Hubicka <jh@suse.cz>
6906 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
6907 * i386.c (x86_decompose_lea): Kill.
6908 (ix86_rtx_costs): Kill.
6910 2006-01-11 Jan Hubicka <jh@suse.cz>
6912 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
6913 * cgraph.h (cgraph_node): Add inline_decl.
6914 (cgraph_insert_node_to_hashtable): Declare.
6915 (save_inline_function_body): Declare.
6916 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
6918 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
6919 (cgraph_function_versioning): Update call of tree_function_versioning.
6920 (save_inline_function_body): New function.
6921 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
6922 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
6923 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
6924 (cgraph_default_inline_p): Likewise.
6925 (cgraph_decide_inlining_incrementally): Likewise.
6926 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
6927 (copy_bb): Kill saving; do updating of clones.
6928 (copy_cfg_body): Kill saving.
6929 (initialize_inlined-parameters): Likewise.
6930 (expand_call_inline): Likewise.
6932 (tree_function_versioning): New parameter "update_clones".
6933 (inlining_p): Kill saving.
6934 * tree-inline.h (tree_function_versioning): Update prototype.
6935 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
6938 2006-01-11 Ian Lance Taylor <ian@airs.com>
6940 * combine.c (struct undo): Remove is_int. Enumify types of undos.
6941 Allow undoing set of machine mode.
6942 (do_SUBST): Use enums instead of is_int.
6943 (do_SUBST_MODE): New function.
6944 (SUBST_MODE): New macro.
6945 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
6946 reg and trying to replace reg_regno_rtx with a new register.
6947 (undo_all): Use new enums, handle undoing a PUT_MODE change.
6948 (simplify_set): Use SUBST_MODE.
6949 (distribute_notes): Remove code that tried to update reg notes
6950 for regno_reg_rtx changes.
6952 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
6954 PR tree-optimization/23109
6955 PR tree-optimization/23948
6956 PR tree-optimization/24123
6958 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
6959 * tree-cfg.c (single_noncomplex_succ): New.
6960 * tree-flow.h (single_noncomplex_succ): Declare it.
6961 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6962 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
6963 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
6964 insert_bb, register_division_in, insert_reciprocals,
6965 replace_reciprocal, free_bb): New.
6966 (execute_cse_reciprocals_1): Rewritten.
6967 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
6968 Do not commit any edge insertion. Always compute dominators and
6969 create the allocation pool.
6970 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
6971 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
6972 * targhooks.c (default_min_divistions_for_recip_mul): New.
6973 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
6974 * passes.c (init_optimization_passes): Run recip after tree loop
6976 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
6978 2006-01-11 Danny Berlin <dberlin@dberlin.org>
6979 Kenneth Zadeck <zadeck@naturalbridge.com>
6981 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
6982 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
6983 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
6984 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
6985 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
6986 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
6987 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
6988 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
6989 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
6990 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
6991 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
6992 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
6993 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
6994 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
6995 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
6996 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
6997 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
6998 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
6999 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
7000 DF_SCAN_POST_ALLOC): New macros.
7001 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
7002 df_free_bb_function, df_local_compute_function, df_init_function,
7003 df_dataflow_function, df_confluence_function_0,
7004 df_confluence_function_n, df_transfer_function,
7005 df_finalizer_function, df_free_function, df_dump_problem_function,
7006 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
7007 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
7008 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
7009 df_urec_bb_info, ) New types.
7010 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
7012 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
7013 df_analyze_simple_change_some_blocks,
7014 df_analyze_simple_change_one_block, df_compact_blocks,
7015 df_bb_replace, df_bb_regno_last_use_find,
7016 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
7017 df_insn_regno_def_p, df_find_def, df_find_use,
7018 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
7019 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
7020 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
7021 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
7022 debug_df_chain, df_get_dependent_problem, df_chain_create,
7023 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
7024 df_grow_bb_info, df_chain_dump, df_print_bb_index,
7025 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
7026 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
7027 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
7028 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
7029 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
7030 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
7031 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
7032 df_ref_remove, df_insn_refs_delete, df_refs_delete,
7033 df_reorganize_refs, df_set_state, df_hard_reg_init,
7034 df_read_modify_subreg_p) New public functions.
7035 * df-core.c: The core dataflow solver and glue routines for rtl
7037 (df_init, df_add_problem, df_set_blocks, df_finish,
7038 df_hybrid_search_forward, df_hybrid_search_backward,
7039 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
7040 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
7041 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
7042 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
7043 df_reg_defined, df_find_use, df_reg_used, df_dump,
7044 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
7045 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
7046 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
7047 debug_df_useno, reset_df_after_reload): New functions.
7048 * df-scan.c: The scanning fuctions, once in df.c, completely
7049 rewritten so that they now fully model the functionality of
7050 register usage at the backend.
7051 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
7052 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
7053 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
7054 df_grow_insn_info, df_rescan_blocks, df_ref_create,
7055 df_get_artificial_defs, df_get_artificial_uses,
7056 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
7057 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
7058 df_refs_delete, df_reorganize_refs, df_set_state,
7059 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
7060 df_def_record_1, df_defs_record, df_uses_record,
7061 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
7062 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
7063 df_record_exit_block_uses, df_hard_reg_init): New functions.
7065 * df-problems.c: Seven concrete dataflow problems that use the
7066 scanning in df-scan.c and are solved by the engine in df-core.c.
7067 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
7068 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
7069 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
7070 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
7071 df_ru_free_bb_info, df_ru_alloc,
7072 df_ru_bb_local_compute_process_def,
7073 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
7074 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
7075 df_ru_transfer_function, df_ru_free, df_ru_dump,
7076 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
7077 df_rd_free_bb_info, df_rd_alloc,
7078 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
7079 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
7080 df_rd_transfer_function, df_rd_free, df_rd_dump,
7081 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
7082 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
7083 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
7084 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
7085 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
7086 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
7087 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
7088 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
7089 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
7090 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
7091 df_urec_mark_reg_change, df_urec_check_earlyclobber,
7092 df_urec_mark_reg_use_for_earlyclobber,
7093 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
7094 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
7095 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
7096 df_urec_dump, df_urec_add_problem, df_chain_alloc,
7097 df_chain_create_bb_process_use, df_chain_create_bb,
7098 df_chain_finalize, df_chain_free, df_chains_dump,
7099 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
7100 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
7101 df_reg_lifetime): New functions.
7102 * df.c: Deleted file.
7103 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
7104 consistent with new df api.
7105 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
7106 rest_of_handle_sms): Ditto.
7107 * web.c (unionfind_union, union_defs, entry_register, web_main):
7109 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
7110 invariant_expr_equal_p, find_defs, check_dependencies,
7111 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
7112 free_inv_motion_data, move_loop_invariants): Ditto.
7113 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
7114 Update dependencies.
7115 (odf.c): Added defective entry that was deleted later in day.
7116 * sched-deps.c (sched_analyze_1): Ditto.
7118 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
7120 * tree-ssa-operands.c (get_expr_operands): Record addressable
7121 variables directly. Do not call add_stmt_operands for CONST_DECLs
7123 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
7124 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
7126 2006-01-11 Ben Elliston <bje@au.ibm.com>
7128 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
7129 function returns true in the positive case.
7131 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7134 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
7135 for SI, DI, SF and DF modes. Add alternatives to copy between
7136 general and floating point registers to the 32-bit patterns.
7137 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
7138 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
7139 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
7140 generating 64-bit code.
7141 * config/pa/pa.c (output_move_double): Handle copies between general
7142 and floating registers.
7144 2006-01-10 Stuart Hastings <stuart@apple.com>
7146 * config/i386/i386.md (set_got): Update.
7147 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
7148 (builtin_setjmp_receiver): Mach-O support.
7149 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
7150 (GOT_SYMBOL_NAME): Define.
7151 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
7152 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
7153 * config/i386/i386.c (override_options): Revise for Darwin.
7154 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
7155 support. (darwin_x86_file_end): New. (output_set_got): Add label
7156 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
7157 * config/i386/i386-protos.h (output_set_got): Likewise.
7158 * config/darwin.c (machopic_legitimize_pic_address): Update
7161 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
7163 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
7164 when MODE isn't BLKmode.
7166 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7168 PR rtl-optimization/25367
7169 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
7171 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
7174 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
7175 for a negative bound.
7177 2006-01-10 Richard Guenther <rguenther@suse.de>
7179 * tree-ssa-structalias.c (get_constraint_for_component_ref):
7180 Never override with anything constraint.
7182 2006-01-10 Jan Beulich <jbeulich@novell.com>
7184 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
7185 256 bits when optimize_size.
7187 2006-01-10 Jan Beulich <jbeulich@novell.com>
7189 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
7191 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
7192 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
7195 2006-01-10 Ben Elliston <bje@au.ibm.com>
7197 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
7199 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
7200 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
7201 (USE_FP_FOR_ARG): Reject decimal float modes.
7202 (function_arg_advance): Likewise.
7203 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
7204 (rs6000_handle_altivec_attribute): Do not permit decimal floating
7205 point types in AltiVec vectors.
7206 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
7207 (rs6000_libcall_value): Likewise.
7209 2006-01-09 Bob Wilson <bob.wilson@acm.org>
7211 * config/xtensa/ieee754-df.S: New file.
7212 * config/xtensa/ieee754-sf.S: New file.
7213 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
7214 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
7215 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
7217 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
7219 * config/sh/predicates.md (binary_float_operator,
7220 binary_logical_operator, commutative_float_operator,
7221 equality_comparison_operator, greater_comparison_operator,
7222 less_comparison_operator, logical_operator,
7223 noncommutative_float_operator, shift_operator,
7224 symbol_ref_operand, unary_float_operator): Remove redundant
7227 2006-01-09 Jeff Law <law@redhat.com>
7229 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
7230 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
7231 now unused arguments. Callers updated.
7232 (eliminate_redundant_computations): Remove now unused arguments,
7234 (local_fold): Remove, no longer used.
7235 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
7237 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
7238 (simplify_cond): New function.
7239 (forward_propagate_into_cond): Call simplify_cond.
7241 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
7243 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
7244 (*vec_extractv2di_1_sse): New.
7246 2006-01-09 Ben Elliston <bje@au.ibm.com>
7248 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
7250 2006-01-08 Richard Guenther <rguenther@suse.de>
7252 * tree-ssa-structalias.c (get_constraint_for): Remove
7254 (get_constraint_for_component_ref): Likewise.
7255 (do_deref): Likewise.
7256 (get_constraint_for): Likewise.
7257 (do_structure_copy): Likewise.
7258 (handle_ptr_arith): Likewise.
7259 (find_func_aliases): Likewise. Remove unused need_anyoffset
7262 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
7263 Kaz Kojima <kkojima@gcc.gnu.org>
7265 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
7266 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
7267 (EXTRA_CONSTRAINT_C16): Remove.
7268 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
7269 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
7270 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
7271 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
7272 constants of SHmedia. Handle nested constant expressions of
7274 (andcosts): Fix the costs for SHmedia constants.
7275 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
7276 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
7277 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
7278 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
7279 (movv4hi_i, movv2si_i): Likewise.
7280 (movsi_const): Adjust the second operand of ior so to match with
7282 (movdi_const, movdi_const_32bit): Likewise.
7283 (movdi_const_16bit+1): Don't sign-extend LOW.
7284 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
7286 (*double_shori): Fix the split condition. Use GEN_INT instead
7287 of get_int_mode calls. Mask lower 16-bit of the argument of
7289 (sym2GOTPLT): Remove.
7290 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
7292 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
7293 instead of EXTRA_CONSTRAINT_C16.
7295 2006-01-07 Ian Lance Taylor <ian@airs.com>
7296 David Edelsohn <edelsohn@gnu.org>
7298 PR rtl-optimization/25662
7299 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
7300 for constant operands instead of simplify_gen_binary.
7301 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
7302 after trying simplify_binary_operation
7304 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
7306 * tree.c (iterative_hash_expr): Hash decls based on UID.
7308 2006-01-06 Eric Christopher <echristo@apple.com>
7310 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
7311 (TARGET_UNWIND_EMIT): Fix spelling.
7312 * target.h (gcc_target): Add except_table_label.
7313 * except.c (output_function_exception_table): Use.
7314 * varasm.c (default_emit_except_table_label): New.
7315 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
7317 (asm_out): Add here.
7318 * output.h (default_emit_except_table_label): Prototype.
7319 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
7320 * config/darwin.c (darwin_emit_except_table_label): Define.
7321 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
7323 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
7325 PR tree-optimization/18527
7326 * tree-ssa-loop-niter.c (number_of_iterations_cond,
7327 number_of_iterations_special, number_of_iterations_exit):
7328 Move base and step of an iv to a single structure. Add
7329 no_overflow flag, and use it in # of iterations analysis.
7330 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
7331 folded_casts argument.
7332 (simple_iv): Pass base and step in a structure. Set no_overflow
7334 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
7335 Evaluate expensiveness of computing # of iterations instead of
7336 the final expression.
7337 * tree-scalar-evolution.h (affine_iv): New structure.
7338 (simple_iv): Declaration changed.
7339 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
7340 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
7341 find_givs_in_stmt): Changed due to simple_iv change.
7343 2006-01-06 Jeff Law <law@redhat.com>
7346 * tree-cfg.c (bsi_replace): Rename final argument from
7347 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
7348 change (stmt -> orig_stmt).
7349 * tree-eh.c (verify_eh_throw_stmt_node): New function.
7350 (bsi_remove): Add new argument. Remove EH information
7352 (verify_eh_throw_table_statements): New function.
7353 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
7355 * tree-optimize.c (execute_free_cfg_annotations): Verify
7356 the EH throw statement table after removing annotations.
7357 * except.h (verify_eh_throw_table_statements): Prototype.
7358 * tree-flow.h (bsi_remove): Update prototype.
7359 * tree-vrp.c (remove_range_assertions): Add new argument to
7361 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
7362 * tree-complex.c (expand_complex_div_wide): Likewise.
7363 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
7364 * tree-tailcall.c (eliminate_tailcall): Likewise.
7365 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
7366 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
7367 * tree-nrv.c (tree_nrv): Likewise.
7368 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
7369 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
7370 (combine_blocks): Likewise.
7371 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
7372 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
7373 (cleanup_control_flow): Likewise.
7374 (remove_forwarder_block): Likewise.
7375 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
7376 * tree-sra.c (sra_replace): Likewise.
7377 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
7378 (forward_propagate_single_use_vars): Likewise.
7379 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
7380 * tree-inline.c (expand_call_inline): Likewise.
7381 * tree-vect-transform.c (vect_transform_loop): Likewise.
7382 * tree-outof-ssa.c (rewrite_trees): Likewise.
7383 * tree-cfg.c (make_goto_expr_edges): Likewise.
7384 (cleanup_dead_labels): Likewise.
7385 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
7386 (bsi_move_before, bsi_move_after): Likewise.
7387 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
7388 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
7390 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
7393 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
7395 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
7396 on non gimple variables. Also add checks at the top for decls and
7398 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
7400 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
7401 and IMAGPART_EXPR for creating MUST_DEFs.
7402 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
7403 and NAME_MEMORY_TAG separately from the DECLs.
7405 2006-01-06 Richard Guenther <rguenther@suse.de>
7407 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
7408 annotation, if necessary.
7409 * tree-ssa-pre.c (create_expression_by_pieces): Remove
7410 redundant calls to update_stmt.
7411 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
7414 2006-01-05 Richard Henderson <rth@redhat.com>
7416 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
7418 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7420 * c-typeck.c: Update copyright date.
7422 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
7424 * c-typeck.c (build_c_cast): Always warn when casting
7425 from a pointer to an integer of different size, even if
7426 the node was constant.
7428 2006-01-05 Richard Guenther <rguenther@suse.de>
7430 PR tree-optimization/22555
7431 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
7432 if one structure field is an array.
7433 * tree-ssa-operands.c (get_expr_operands): Continue scanning
7434 operands even if we found a subvar, but ignore VOPs in this
7436 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
7438 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
7440 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
7443 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
7445 2006-01-05 Richard Guenther <rguenther@suse.de>
7446 Diego Novillo <dnovillo@redhat.com>
7448 * tree-pass.h (TODO_remove_unused_locals): Define.
7449 * gimple-low.c (expand_var_p, remove_useless_vars,
7450 pass_remove_useless_vars): Remove. Update all users.
7451 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
7452 (remove_unused_locals): New function.
7453 * tree-flow.h (remove_unused_locals): Declare.
7454 * passes.c (execute_todo): Call remove_unused_locals if
7455 TODO_remove_unused_locals is set.
7456 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
7457 * tree-ssa-dce.c (pass_dce): Likewise.
7458 * tree-outof-ssa.c (pass_del_ssa): Likewise.
7460 2006-01-05 Richard Guenther <rguenther@suse.de>
7462 * tree-flow.h (struct fieldoff): Decompose field to
7463 type, size and decl.
7464 * tree-ssa-alias.c (create_sft): Take type as parameter.
7465 (create_overlap_variables_for): Store type, size and decl
7466 in the fieldoff structure.
7467 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
7469 (push_fields_onto_fieldstack): Likewise.
7470 (create_variable_info_for): Likewise. Use offset for the
7471 SFT name if the decl is not available.
7473 2006-01-04 Paul Brook <paul@codesourcery.com>
7475 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
7477 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
7479 * lambda-code.c (can_put_in_inner_loop): Relax
7481 (can_put_after_inner_loop): New function.
7482 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
7483 (perfect_nestify): Change to make copies and modify uses.
7485 2006-01-04 Richard Henderson <rth@redhat.com>
7487 Merge from gomp branch:
7488 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
7489 via integer constant.
7490 (pragma_lex): Remove.
7491 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
7492 rather than parsing it.
7493 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
7494 handle_pragma_extern_prefix): Add %< %> quotes.
7495 (registered_pragmas): New.
7496 (c_register_pragma_1): New.
7497 (c_register_pragma): Use it.
7498 (c_register_pragma_with_expansion): Likewise.
7499 (c_invoke_pragma_handler): New.
7500 (init_pragma): Use cpp_register_deferred_pragma directly for
7502 * c-pragma.h (enum pragma_kind): New.
7503 (pragma_handler): New.
7504 (c_invoke_pragma_handler): Declare.
7505 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
7507 * c-common.h (c_common_pch_pragma): Update decl.
7508 * Makefile.in (c-parser.o): Update dependencies.
7509 (GTFILES): Add c-pragma.h.
7510 * c-parser.c (struct c_token): Add pragma_kind.
7511 (struct c_parser): Add in_pragma.
7512 (c_lex_one_token): Always initialize keyword and pragma_kind.
7513 Extract data for CPP_PRAGMA.
7514 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
7515 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
7516 Don't allow CPP_PRAGMA_EOL if in_pragma.
7517 (c_parser_consume_pragma): New.
7518 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
7519 (c_parser_skip_to_end_of_parameter): Likewise.
7520 (c_parser_skip_to_end_of_block_or_statement): Likewise.
7521 (c_parser_skip_to_pragma_eol): New.
7522 (c_parser_external_declaration): Handle CPP_PRAGMA.
7523 (c_parser_compound_statement_nostart): Likewise.
7524 (c_parser_statement_after_labels): Likewise.
7525 (c_parser_pragma): New.
7526 (pragma_lex): Likewise.
7527 (c_parser_pragma_pch_preprocess): New.
7528 (c_parser_new): Merge into ...
7529 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
7531 2006-01-04 Jeff Law <law@redhat.com>
7534 * tree-cfg.c (bsi_replace): Remove the original statement
7535 from the EH throw statement table.
7537 2006-01-04 Jakub Jelinek <jakub@redhat.com>
7539 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
7540 make the prototype extern "C" and add throw ().
7543 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
7544 and pos non-negative and pos + len <= 32.
7545 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
7546 drop pos + len < HOST_BITS_PER_WIDE_INT test.
7547 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
7550 * c-common.c (handle_vector_size_attribute): Reject zero vector size
7551 as well as sizes not multiple of component size.
7554 * function.c (instantiate_expr): New function.
7555 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
7556 walk its DECL_VALUE_EXPR with instantiate_expr.
7558 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
7559 DW_OP_deref{,_size} if address isn't going to be added.
7561 2006-01-04 Ben Elliston <bje@au.ibm.com>
7563 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
7564 * config/fp-bit.c: Likewise.
7566 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
7568 * dominance.c: Add comment about why we use DFS numbering
7571 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7572 Richard Henderson <rth@redhat.com>
7574 Merge from gomp-branch:
7575 * varasm.c (assemble_variable): Handle thread-local COMMON data.
7576 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
7578 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
7580 PR rtl-optimization/25578
7581 * combine.c (combine_simplify_rtx, force_to_mode): Don't
7582 pass a parameter to simplify_shift_const if changing ASHIFTRT
7585 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
7587 * builtins.c (get_builtin_sync_mem): New function.
7588 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
7589 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
7590 Call get_builtin_sync_mem to generate mem rtx.
7592 2006-01-03 Richard Guenther <rguenther@suse.de>
7595 * stmt.c (add_case_node): Make sure to clear overflow flags
7598 2006-01-03 Jakub Jelinek <jakub@redhat.com>
7600 Merge from gomp-branch.
7601 * config/sparc/sync.md: New file.
7602 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
7603 UNSPECV_LDSTUB): New constants.
7604 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
7605 * config/sparc/predicates.md (memory_reg_operand): New predicate.
7606 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
7609 2006-01-03 Roger Sayle <roger@eyesopen.com>
7611 * combine.c (reg_subword_p): New predicate to test whether the
7612 destination of a set refers to a subword/piece of a register.
7613 (try_combine): Generalize the code to merge the setting of a
7614 pseudo to a constant followed by a set of a subword of that
7615 register to a constant.
7617 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
7619 * basic-block.h (control_flow_graph): Change the type of
7620 x_label_to_block_map to VEC(basic_block,gc) *.
7621 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
7622 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
7624 * tree-ssa-propagate.c (cfg_blocks): Change the type to
7625 VEC(basic_block,heap) *.
7626 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
7627 ssa_prop_fini): Adjust the uses of cfg_blocks.
7629 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
7631 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
7633 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
7634 hashing trees instead of a pointer hash.
7635 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
7636 compare for MEM_EXPR.
7638 PR rtl-optimization/25130
7639 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
7640 when comparing MEMs for GCSE
7642 2006-01-03 Ben Elliston <bje@au.ibm.com>
7644 * targhooks.h (default_decimal_float_supported_p): Declare.
7645 * targhooks.c (default_decimal_float_supported_p): Define.
7646 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
7647 `default_decimal_float_supported_p'.
7648 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
7650 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
7652 * combine.c (apply_distributive_law <SUBREG>): Check
7653 TRULY_NOOP_TRUNCATION.
7655 2006-01-02 Geoffrey Keating <geoffk@apple.com>
7657 * dwarf2out.c (have_switched_text_section): Delete.
7658 (have_multiple_function_sections): New.
7659 (have_location_lists): Make 'bool'.
7660 (add_AT_loc_list): Use 'true' not '1'.
7661 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
7662 (output_loc_list): Use have_multiple_function_sections.
7663 (output_ranges): Likewise.
7664 (dwarf2out_begin_function): Set have_multiple_function_sections if
7666 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
7667 Check function_section rather than DECL_SECTION_NAME.
7668 (dwarf2out_finish): Use have_multiple_function_sections.
7669 Don't clear have_location_lists.
7671 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
7672 Jan Hubicka <jh@suse.cz>
7674 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
7675 case of conditional jump jumping to the next instruction.
7676 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
7677 cases of conditional jump jumping to the next instruction.
7679 2006-01-02 Jan Hubicka <jh@suse.cz>
7681 * i386.c (*_cost): Add COSTS_N_INSNS.
7682 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
7684 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
7687 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
7689 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7691 * config/arm/arm.c (all_fpus): Fix comment typo.
7692 * config/darwin.c: Likewise.
7693 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
7694 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
7695 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
7697 2006-01-01 David Edelsohn <edelsohn@gnu.org>
7699 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
7700 (rs6000_split_compare_and_swapqhi): New.
7701 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
7702 (sync_compare_and_swapqhi_internal): New.
7703 * config/rs6000/rs6000-protos.h: Declare.