1 2006-09-17 Ira Rosen <irar@il.ibm.com>
4 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
6 (ptr_ptr_may_alias_p): Likewise.
7 (record_record_differ_p): New function.
8 (base_object_differ_p): Call record_record_differ_p.
10 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
13 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
14 away for the expr argument.
16 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
19 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
20 before using it for dumping after vectorizing loops.
22 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
23 Jack Howarth <howarth@bromo.med.uc.edu>
26 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
27 skip on error_mark_node.
28 (rs6000_darwin64_record_arg_recurse): Likewise.
30 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
32 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
33 * doc/rtl.texi: Remove related documentation.
35 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
37 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
40 2006-09-15 Jim Wilson <wilson@specifix.com>
42 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
43 Handle symbol offsets same as they are handled in ia64_expand_move
46 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
48 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
49 Add forgotten parameter to the fprintf call.
51 2006-09-15 Steve Ellcey <sje@cup.hp.com>
53 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
55 2006-09-15 Uros Bizjak <uros@kss-loka.si>
57 * doc/contrib.texi: Add my entry.
59 2006-09-15 Nick Clifton <nickc@redhat.com>
61 * doc/md.texi (Processor pipeline description): Fix typo in
62 example of how to use the absence_set directive and reword the
63 description to make it slightly easier to read.
65 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
67 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
68 * loop-doloop.c (doloop_optimize): Use it to limit costs of
69 expanding the number of iterations.
70 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
72 * cfgrtl.c (emit_insn_at_entry): New function.
73 * rtl.h (emit_insn_at_entry): Declare it.
74 * integrate.c (emit_initial_value_sets): Use it.
76 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
78 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
80 (struct loop_work and related VEC declarations): Delete.
81 (bfin_dump_loops): Print out new member bad.
82 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
83 (bfin_scan_loop): Don't recurse.
84 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
85 loops. No longer need to update outer loops if the current one is
86 found bad. Move some validitiy checks to bfin_discover_loop.
87 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
88 but changed not to check for nesting. Also changed to use the new bad
90 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
91 time. Use bitmap based test to discover loop nesting.
93 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
95 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
98 2006-09-14 Richard Guenther <rguenther@suse.de>
99 Kazu Hirata <kazu@codesourcery.com>
102 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
103 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
104 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
105 with TARGET_FUNCTION_VALUE.
107 2006-09-14 Anatoly Sokolov <aesok@post.ru>
110 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
112 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
114 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
117 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
120 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
123 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
125 * basic_block.h (bb_has_eh_pred): Fix comment.
127 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
129 * flow.c (calculate_global_regs_live): Invalidate eh registers
130 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
131 (propagate_block): Handle eh registers as if they were set at basic
133 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
135 * global.c (global_conflicts): Make eh registers to conflict with
136 pseudos live at basic block begin.
137 * basic_block.h (bb_has_eh_pred): New function.
139 2006-09-13 Richard Sandiford <richard@codesourcery.com>
141 PR rtl-optimization/28982
142 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
143 index of a PRE_MODIFY or POST_MODIFY address.
144 * reload1.c (inc_for_reload): Use find_replacement on the original
145 base and index registers.
147 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
149 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
150 for -Os. Update __m128 alignment requirement.
152 2006-09-13 Jan Hubicka <jh@suse.cz>
154 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
156 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
158 PR rtl-optimization/28243
159 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
160 the insn to which the note was originally attached.
162 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
163 Roger Sayle <roger@eyesopen.com>
165 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
166 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
167 on platforms that don't use dwarf for debug info.
169 2006-09-12 Jason Merrill <jason@redhat.com>
172 * builtins.c (expand_builtin_setjmp_receiver): Clobber
173 hard_frame_pointer_rtx after using it to update the frame pointer.
175 2006-09-12 Roger Sayle <roger@eyesopen.com>
177 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
178 (TARGET_ASM_CLOSE_PAREN): Likewise.
179 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
180 (TARGET_ASM_CLOSE_PAREN): Likewise.
182 2006-09-12 Roger Sayle <roger@eyesopen.com>
185 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
186 frame information for frames larger than 512 Kbytes on Tru64 when
187 using the native assembler.
189 2006-09-12 Roger Sayle <roger@eyesopen.com>
193 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
194 and symbols. Instead use the implementation from cse.c's hash_rtx.
196 2006-09-12 Jan Hubicka <jh@suse.cz>
198 PR rtl-optimization/28071
199 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
200 (vect_transform_loop): Likewise.
201 * tree-vectorizer.c (new_loop_vec_info): Likewise.
202 (new_loop_vec_info): Likewise.
203 (destroy_loop_vec_info): Likewise.
204 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
205 (create_stmt_ann): Likewise.
206 (create_tree_ann): Rename to ...
207 (create_tree_common_ann): ... this one; allocate only the common part
209 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
210 (get_value_handle): Likewise.
211 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
213 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
214 (vinfo_for_stmt): Use stmt annotations.
215 * tree-flow.h (tree_ann_common_t): New type.
216 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
217 (tree_ann, get_tree_ann, create_tree_ann): New.
218 * tree-flow-inline.h (get_function_ann): Do more type checking.
219 (stmt_ann): Likewise.
220 (tree_ann): Rename to ...
221 (tree_common_ann): ... this one; return ony common_ann
222 (get_tree_ann): Rename to ...
223 (tree_common_ann): This one; return only common_ann.
224 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
227 2006-09-11 Geoffrey Keating <geoffk@apple.com>
229 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
232 * dwarf2out.c (dwarf_file_data): New.
233 (enum dw_val_class): Add dw_val_class_file.
234 (struct dw_val_struct): Add val_file.
235 (file_table): Change to a hash table.
236 (file_table_emitted): Delete.
237 (file_table_last_lookup_index): Delete.
239 (last_emitted_file): New.
240 (lookup_filename): Change prototype to return a struct dwarf_file_data.
241 (init_file_table): Delete.
242 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
243 (AT_addr): Add comment.
247 (print_die): Handle dw_val_class_file.
248 (print_dwarf_line_table): Update for new file table structure.
249 (attr_checksum): Do checksum a filename.
250 (same_dw_val_p, same_attr_p): Do compare a filename.
251 (size_of_die): Handle dw_val_class_file.
252 (value_format): Likewise.
253 (output_die): Likewise. Also, call maybe_emit_file here.
254 (struct file_info): Constify filenames. Make file_idx a pointer
255 to a struct dwarf_file_data.
256 (struct dir_info): Constify directory names. Remove 'used' field.
257 (struct file_name_acquire_data): New.
258 (file_name_acquire): New.
259 (output_file_names): Modify to handle new file data structures.
260 (add_src_coords_attributes): Use add_AT_file.
261 (add_call_src_coords_attributes): Likewise.
262 (dwarf2out_imported_module_or_decl): Likewise.
263 (gen_subprogram_die): Modify for new file data structures.
264 (gen_variable_die): Likewise.
265 (file_table_eq): New.
266 (file_table_hash): New.
267 (file_table_last_lookup): New.
268 (lookup_filename): Rewrite to handle new file data structures.
269 (maybe_emit_file): Rewrite to handle new file data structures.
270 (dwarf2out_source_line): Always call lookup_filename and
272 (dwarf2out_init): Create file_table here.
273 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
274 (file_table_relative_p): New.
275 (dwarf2out_finish): Change detection of relative filenames
276 to work with new file data structures. Move output_line_info call
277 after debug_info output.
279 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
284 * config/i386/i386.c (override_options): Always default to 16
287 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
290 * var-tracking.c (dump_dataflow_set): Start dumping at
292 (clobber_variable_part): Kill only the variable part in
293 registers holding it, leaving other variables alone.
295 2006-09-11 Josh Triplett <josh@freedesktop.org>
297 * doc/extend.texi (Other Builtins): Actually use the macro
298 argument in the documentation example for
299 __builtin_types_compatible_p.
301 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
303 PR rtl-optimization/28726
304 * sched-deps.c (sched_analyze_reg): New function extracted from...
305 (sched_analyze_1): ...here. Call it to analyze references to
306 registers. Treat again writes to a stack register as writing to the
308 (sched_analyze_2): ...and here. Call it to analyze references to
309 registers. Treat again reads of a stack register as reading the
312 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
313 David Edelsohn <edelsohn@gnu.org>
316 * config/rs6000/spe.md (frob_df_di): Remove %H.
317 (frob_di_df): Remove %H. Change evmergelo to mr.
318 (frob_di_df_2): Remove %H. Change evldd to two loads.
320 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
322 * doc/cpp.texi: Fix names of charset options.
324 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
327 * config/i386/i386.c (override_options): Use 128-bit
328 stack boundary always for 64bits.
330 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
332 PR rtl-optimization/28636
333 * combine.c (force_to_mode): Test for side-effects before
334 substituting by zero.
335 (simplify_shift_const): Likewise for zero or other constants.
337 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
340 * builtins.c (expand_builtin_setjmp): Force next_lab to be
343 2006-09-10 Richard Sandiford <richard@codesourcery.com>
346 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
347 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
348 returned by mode_for_size, rather than the mode of src itself,
349 to choose between 32-bit and 64-bit patterns.
350 (mips_mem_fits_mode_p): New function.
351 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
352 that the size of the source matches the size of the destination.
353 (mov_<store>l, mov_<store>r): Likewise.
355 2006-09-10 Eric Christopher <echristo@apple.com>
357 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
360 2006-09-09 Eric Christopher <echristo@apple.com>
363 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
366 2006-09-09 Roger Sayle <roger@eyesopen.com>
367 Nicolas Setton <setton@adacore.com>
369 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
371 2006-09-10 Andreas Schwab <schwab@suse.de>
373 * config/m68k/m68k.md (bungt_rev): New pattern.
375 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
376 Dale Johannesen <dalej@apple.com>
379 * regclass.c (struct reg_pref): Update documentation.
380 (regclass): Set prefclass to NO_REGS if memory is the best option.
381 (record_reg_classes): Cope with a prefclass set to NO_REGS.
383 2006-09-08 Eric Christopher <echristo@apple.com>
385 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
386 * config/t-slibgcc-darwin: Support x86_64 multilib.
387 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
388 Return 1 for x86_64-darwin.
389 * config/i386/t-darwin: Add m64 multilib.
390 (LIB2_SIDITI_CONV_FUNCS): Use.
391 (LIB2FUNCS_EXTRA): Ditto.
392 * config/i386/darwin.h: Support x86_64.
393 * config/i386/i386.c (override_options): Turn on flag_pic
394 for x86_64-darwin. Disable flag_omit_pointer.
395 (get_pc_thunk_name): Assert !TARGET_64BIT.
396 (legitimate_address_p): Disable machopic addressing for
398 (legitimize_pic_address): Ditto.
399 (ix86_expand_move): Ditto.
400 (ix86_expand_call): Ditto.
401 (machopic_output_stub): Ditto.
402 * config/darwin.c (machopic_select_section): Support literal16.
403 (machopic_select_rtx_section): Ditto.
404 * config/darwin-sections.def: Ditto.
405 * config/darwin-64.c: New.
407 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
410 * c-tree.h (struct c_arg_info): Add pending_sizes.
411 * c-parser.c (c_parser_parms_declarator,
412 c_parser_parms_list_declarator): Initialize pending_sizes.
413 * c-decl.c (get_parm_info): Initialize pending_sizes.
414 (get_parm_info): Set pending_sizes.
415 (grokdeclarator): Call put_pending_sizes for parameters for
416 function definition only.
418 2006-09-07 Jason Merrill <jason@redhat.com>
421 * varasm.c (output_constant): Only strip actual no-op conversions.
424 * config/i386/i386.c (override_options): Use 128-bit
425 stack boundary if -msse.
427 2006-09-07 Eric Christopher <echristo@apple.com>
429 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
431 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
434 2006-09-07 Geoffrey Keating <geoffk@apple.com>
436 * dwarf2out.c: Remove strange characters from comment above
437 dwarf2out_frame_debug_expr.
439 2006-09-07 Eric Christopher <echristo@apple.com>
441 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
442 * config/darwin.h: ... to here.
444 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
446 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
448 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
449 (TARGET_PARTIAL_FLAG_REG_STALL): New.
451 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
452 TARGET_PARTIAL_FLAG_REG_STALL.
453 (*ashldi3_cconly_rex64): Likewise.
454 (*ashlsi3_cmp): Likewise.
455 (*ashlsi3_cconly): Likewise.
456 (*ashlsi3_cmp_zext): Likewise.
457 (*ashlhi3_cmp): Likewise.
458 (*ashlhi3_cconly): Likewise.
459 (*ashlqi3_cmp): Likewise.
460 (*ashlqi3_cconly): Likewise.
461 (*ashrdi3_cmp_rex64): Likewise.
462 (*ashrdi3_cconly_rex64): Likewise.
463 (*ashrsi3_cmp): Likewise.
464 (*ashrsi3_cconly): Likewise.
465 (*ashrsi3_cmp_zext): Likewise.
466 (*ashrhi3_cmp): Likewise.
467 (*ashrhi3_cconly): Likewise.
468 (*ashrqi3_cmp): Likewise.
469 (*ashrqi3_cconly): Likewise.
470 (*lshrdi3_cmp_rex64): Likewise.
471 (*lshrdi3_cconly_rex64): Likewise.
472 (*lshrsi3_cmp): Likewise.
473 (*lshrsi3_cconly): Likewise.
474 (*lshrsi3_cmp_zext): Likewise.
475 (*lshrhi3_cmp): Likewise.
476 (*lshrhi3_cconly): Likewise.
477 (*lshrqi2_cmp): Likewise.
478 (*lshrqi2_cconly): Likewise.
480 2006-09-07 Uros Bizjak <uros@kss-loka.si>
483 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
484 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
485 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
486 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
487 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
488 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
489 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
490 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
491 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
492 implement only CC setting effects of shift instructions.
494 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
496 * doc/contrib.texi: Add myself.
498 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
501 * stor-layout.c (relayout_decl): Don't zero the alignment if it
504 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
507 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
508 (divsi_inv_m1): Use them.
509 (UNSPEC_DIV_INV_TABLE): New constant.
511 2006-09-06 James E Wilson <wilson@specifix.com>
514 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
515 then call count_or_remove_death_notes.
517 2006-09-06 Jason Merrill <jason@redhat.com>
520 * tree-inline.c (copy_result_decl_to_var): New fn.
521 (declare_return_variable): Use it. Call declare_inline_vars here.
522 (expand_call_inline): Not here.
524 2006-09-06 Diego Novillo <dnovillo@redhat.com>
526 * doc/contrib.texi: Update my entry.
528 2006-09-06 Nick Clifton <nickc@redhat.com>
530 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
532 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
535 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
536 (canonicalize_induction_variables): Likewise.
537 (tree_unroll_loops_completely): Likewise.
538 (tree_ssa_prefetch_arrays): Likewise.
539 (remove_empty_loops): Likewise.
540 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
541 TODO_cleanup_cfg instead of directly calling
542 cleanup_tree_cfg_loop.
543 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
545 (tree_unroll_loops_completely): Likewise.
546 (remove_empty_loops): Likewise.
547 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
548 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
549 of tree_ssa_unswitch_loops.
550 (tree_ssa_loop_ivcanon): Use the return value of
551 canonicalize_induction_variables.
552 (tree_ssa_empty_loop): Use the return value of
554 (tree_complete_unroll): Use the return value of
555 tree_unroll_loops_completely.
556 (tree_ssa_loop_prefetch): Use the return value of
557 tree_ssa_prefetch_arrays.
558 * passes.c (execute_todo): Before Cleanup CFG, set
559 updating_used_alone and after cleanup CFG, call
560 recalculate_used_alone.
562 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
565 * tree-vect-transform.c (vectorizable_condition): Move the check
566 for the type after the check for simple condition.
568 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
569 Kaz Kojima <kkojima@gcc.gnu.org>
572 * mode-switching.c (optimize_mode_switching): Make the destination
573 block of an abnormal edge have no anticipatable mode. Don't
574 insert mode switching code at the end of the source block of
577 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
579 PR rtl-optimization/26847
580 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
581 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
582 (simplify_plus_minus): Count n_constants while filling ops. Replace
583 qsort with insertion sort. Before going through the array to simplify
584 pairs, sort it. Delay early exit until after the first sort, exiting
585 only if no swaps occurred. Simplify pairs in reversed order, without
586 special-casing the first iteration. Pack ops after simplifying pairs.
588 2006-09-05 Anatoly Sokolov <aesok@post.ru>
590 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
591 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
592 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
593 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
595 2006-09-05 Richard Guenther <rguenther@suse.de>
597 PR tree-optimization/28900
598 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
599 compound conditional before creating COND_EXPR condition.
601 2006-09-05 Richard Guenther <rguenther@suse.de>
603 PR tree-optimization/28905
604 * tree-vrp.c (fix_equivalence_set): Manually implement
605 !value_ranges_intersect_p to also handle symbolic ranges.
607 2006-09-05 Richard Guenther <rguenther@suse.de>
610 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
613 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
615 PR rtl-optimization/27616
616 * cse.c (table_size): New static variable.
617 (new_basic_block): Initialize it to 0.
618 (remove_from_table): Decrement it.
619 (insert): Increment it.
620 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
621 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
622 fold_rtx_mem_1 if under the cap.
623 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
624 the lookup of the equivalent expression and test for equality of the
625 first operand of the equivalent expression before in turn looking up
626 an equivalent constant for the second operand.
628 2006-09-02 Geoffrey Keating <geoffk@apple.com>
631 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
632 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
633 pointer, instead of assuming it is possible to derive the
634 correct args size from a call insn.
636 2006-09-02 Jakub Jelinek <jakub@redhat.com>
639 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
640 (fold_builtin_mempcpy): Rename to...
641 (fold_builtin_memory_op): ... this. Optimize one element copy
643 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
645 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
646 (expand_builtin_memcpy, expand_builtin_mempcpy,
647 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
648 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
649 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
650 BUILT_IN_MEM{CPY,PCPY,MOVE}.
652 2006-09-01 DJ Delorie <dj@redhat.com>
654 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
656 ("stzx_24_<mode>"): Likewise.
657 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
658 ("cmp<mode>_op"): New.
659 (cmp<mode>): Change to expander; just save operands.
661 (b<code>): Change to expander, emit compare here.
662 (s<code>_op): Change to use split and expander.
663 (s<code>_24_op): Likewise.
664 (s<code>_<mode>): New.
665 (s<code>_<mode>_24): New.
666 (movqicc_<code>_<mode): New.
667 (movhicc_<code>_<mode>): New.
670 * config/m32c/m32c.c (compare_op0, compare_op1): New.
671 (m32c_pend_compare): New.
672 (m32c_unpend_compare): New.
673 (m32c_expand_scc): New.
674 (m32c_expand_movcc): Emit the compare also.
675 * config/m32c/predicates.md (mra_nopp_operand): New.
677 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
678 Richard Guenther <rguenther@suse.de>
679 Adam Nemet <anemet@caviumnetworks.com>
682 * builtins.c (get_pointer_alignment): Handle more forms
683 of base addresses that can be used to derive more precise
684 information about alignment.
686 2006-09-01 Jason Merrill <jason@redhat.com>
689 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
692 * gimplify.c (voidify_wrapper_expr): Handle null type.
694 2006-09-01 Josh Conner <jconner@apple.com>
697 * tree-nrv.c (dest_safe_for_nrv_p): New function.
698 (execute_return_slot_opt): Use it.
700 2006-08-31 Josh Conner <jconner@apple.com>
703 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
704 returning aggregates.
706 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
708 PR tree-optimization/28839
709 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
710 blocks in that phi arguments appear.
712 2006-08-31 Roger Sayle <roger@eyesopen.com>
715 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
716 NULL, otherwise use an advance_loc4 to adjust relative to the
718 (output_cfi) <DW_CFA_set_loc>: Update the current label.
719 (dwarf2out_switch_text_section): Reset the current label to avoid
720 using advance_loc4 over section boundaries.
722 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
725 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
726 r12 + SYMBOLIC_CONST.
728 2006-08-30 Richard Guenther <rguenther@suse.de>
730 * Makefile.in (see.o): Add $(EXPR_H) dependency.
732 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
734 PR rtl-optimization/27735
735 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
736 Add new argument to keep track of whether an irreducible region
737 was affected. All callers changed.
738 (fix_irreducible_loops): Removed.
739 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
740 flags were invalidated.
742 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
744 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
745 instead of SF operands.
746 (*fop_df_comm_sse): Likewise.
747 (*fop_df_comm_i387): Likewise.
748 (*fop_df_1_mixed): Likewise.
749 (*fop_df_1_sse): Likewise.
751 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
752 J"orn Rennecke <joern.rennecke@st.com>
754 PR tree-optimization/17506
755 * tree-ssa.c (warn_uninit): If warning about a location outside of
756 the current function, note where the variable was declared.
758 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
760 PR tree-optimization/28411
761 * double-int.c (double_int_div): Use double_int_divmod.
762 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
763 double_int_mod, double_int_smod, double_int_umod): New functions.
764 * double-int.h (double_int_divmod, double_int_sdivmod,
765 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
767 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
769 (get_computation_aff, get_computation_cost_at): Handle double_int
770 return type of constant_multiple_of.
772 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
775 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
776 an implicit conversion.
778 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
780 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
782 2006-08-27 Roger Sayle <roger@eyesopen.com>
784 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
787 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
789 * config/i386/crtfastmath.c: Fix a comment typo.
791 2006-08-26 Roger Sayle <roger@eyesopen.com>
793 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
794 temporary visit flags on CASE_LABEL_EXPRs.
795 * c-common.c (match_case_to_enum): Add function comment. Avoid
796 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
797 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
798 CASE_HIGH_SEEN for enumerated types. If the switch expression is
799 a constant, only warn if that constant value isn't handled.
801 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
804 * input.h (restore_input_file_stack): Declare.
805 (INPUT_FILE_STACK_BITS): Define.
806 * toplev.c (fs_p, input_file_stack_history,
807 input_file_stack_restored, restore_input_file_stack): New.
808 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
809 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
810 (pop_srcloc): Don't free old state of stack.
812 2006-08-26 David Edelsohn <edelsohn@gnu.org>
815 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
816 (PowerPC Type Attributes): New.
818 2006-08-26 Bob Wilson <bob.wilson@acm.org>
820 * config/xtensa/xtensa.c (function_arg_boundary): New.
821 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
823 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
824 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
826 2006-08-26 Jakub Jelinek <jakub@redhat.com>
829 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
832 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
834 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
835 (verify_local_live_at_start): Likewise.
837 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
840 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
841 omp_add_variable): Treat sizes as variable whenever not
844 2006-08-26 Richard Guenther <rguenther@suse.de>
847 * fold-const.c (fold_binary): Fold temporary to correct
848 type before constructing new comparison.
850 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
853 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
854 variable again if DECL_SEEN_IN_BIND_EXPR_P.
856 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
859 * c-decl.c (start_function): Don't try to process prototype
860 information from old declaration that isn't a function.
862 2006-08-25 Jan Hubicka <jh@suse.cz>
865 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
867 2006-08-25 Alan Modra <amodra@bigpond.net.au>
870 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
873 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
875 PR tree-optimization/16876
876 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
877 exit if PARM doesn't match VALUE.
879 2006-08-25 Bob Wilson <bob.wilson@acm.org>
881 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
882 literal_prefix directive.
883 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
884 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
885 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
887 2006-08-25 David Edelsohn <edelsohn@gnu.org>
890 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
891 predicate to general_operand. Add 0->y and I->r alternatives.
893 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
895 * doc/tm.texi: Fix a typo.
896 * predict.c: Fix comment typos.
898 2006-08-25 Nick Clifton <nickc@redhat.com>
900 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
901 assertions of "cpu" and "machine".
903 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
906 * tree-ssa-operands.c (access_can_touch_variable): Don't say
907 the access through a base which has an alias set of 0 cannot
910 2006-08-24 Bill Wendling <wendling@apple.com>
912 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
914 2006-08-24 Jan Hubicka <jh@suse.cz>
916 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
918 2006-08-24 Jan Hubicka <jh@suse.cz>
921 * cgraph.c: Fix comments.
922 (cgraph_varpool_mark_needed_node): Mark only variables not already
924 * cgraphunit.c: Update comments; include gt-cgraphunit.h
925 (cgraph_varpool_assembled_nodes_queue): New static variable.
926 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
927 (cgraph_varpool_output_debug_info): New function.
928 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
929 * Makefile.in: Add gt-cgraphunit.h
931 2006-08-24 Jan Hubicka <jh@suse.cz>
933 * predict.c (probability_reliable_p): New predicate.
934 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
935 (predict_loops): Do not predict loop exit with less than 2%
937 * basic-block.h (edge_probability_reliable_p,
938 br_prob_note_reliable_p): Declare.
939 * ia64.h (ia64_print_operand): Do not disable on-chip branch
940 prediction when static predictor is not reliable.
941 * rs6000.c (output_cbranch): Likewise.
943 2006-08-23 Stuart Hastings <stuart@apple.com>
946 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
947 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
949 2006-08-21 Geoffrey Keating <geoffk@apple.com>
952 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
953 complex values, nor for generic vector values.
955 2006-08-22 Richard Guenther <rguenther@suse.de>
958 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
959 parameter. Convert arguments to arithmetic expression to the
961 (analyze_scalar_evolution_1): Adjust caller.
963 2006-08-22 Jan Hubicka <jh@suse.cz>
965 Patch by Paolo Bonzini
966 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
969 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
971 PR tree-optimization/28003
972 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
973 before grouping aliases.
975 2006-08-22 Roger Sayle <roger@eyesopen.com>
977 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
978 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
980 2006-08-21 Jason Merrill <jason@redhat.com>
983 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
984 wrapper. Loop to handle nested wrappers.
985 (gimplify_bind_expr): Remove temp parameter.
986 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
987 and STATEMENT_LIST on the rhs.
988 (gimplify_statement_list): Voidify the STATEMENT_LIST.
989 (gimplify_expr): Pass pre_p to gimplify_statement_list.
990 (gimplify_target_expr): Remove special BIND_EXPR handling.
992 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
994 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
997 2006-08-21 Olivier Hainque <hainque@adacore.com>
999 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1000 Arrange for the temporary captures of components overlapping the lhs
1001 to happen before the lhs is possibly cleared.
1003 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1005 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1006 necessary places to pass the correct "number of registers" values
1009 2006-08-20 Jan Hubicka <jh@suse.cz>
1011 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1012 (create_name_tags): Instead of quadratic checking use hashtable.
1013 * bitmap.h: Include hashtab.h.
1014 (bitmap_hash): Declare.
1015 * bitmap.c (bitmap_hash): New function.
1017 2006-08-20 Jan Hubicka <jh@suse.cz>
1019 PR rtl-optimization/28071
1020 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1022 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1023 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1024 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1025 cgraph_decide_inlining_incrementally): Update use of
1026 cgraph_check_inline_limits.
1027 * cgraph.c (edge_hash, edge_eq): New function.
1028 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1029 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1030 cgraph_remove_node): Maintain call site hash.
1031 * cgraph.h (struct cgraph_node): Add call_site_hash.
1032 (cgraph_set_call_stmt): New function.
1034 2006-08-20 Jan Hubicka <jh@suse.cz>
1036 PR rtl-optimization/28071
1037 * reload1.c (reg_has_output_reload): Turn into regset.
1038 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1039 choose_reload_regs, emit_reload_insns): Update to new
1040 reg_has_output_reload.
1042 2006-08-20 Jan Hubicka <jh@suse.cz>
1045 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1046 function body sizes.
1047 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1049 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1052 * tree.c (handle_dll_attribute): Return early if not a
1053 var or function decl.
1055 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1058 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1059 alignment of SPE vector types.
1061 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1063 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1065 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1068 * cgraph.h (struct cgraph_node): Remove externally_visible
1070 * cgraphunit.c (process_function_and_variable_attributes): Set
1071 local.externally_visible rather than externally_visible.
1074 * c-common.c (handle_externally_visible_attribute): First look
1075 at TREE_CODE and only if it is function or var decl, check for
1076 non-public objects. Don't warn for DECL_EXTERNAL.
1077 * cgraphunit.c (process_function_and_variable_attributes): Warn
1078 if externally_visible attribute is used on non-public object.
1080 2006-08-17 Jan Hubicka <jh@suse.cz>
1082 PR tree-optimization/27865
1083 * reload1.c (forget_marked_reloads): New function.
1084 (forget_old_reloads_1): When data are passed, just mark the registers
1086 (reload_as_needed): Use the new mechanizm.
1088 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1091 * reload.h (reg_equiv_alt_mem_list): New declaration.
1092 * reload1.c (reg_equiv_alt_mem_list): New definition.
1093 (reload): Initialize it and release it.
1094 (delete_output_reload): Use it.
1095 * reload.c (push_reg_equiv_alt_mem): New function.
1096 (find_reloads_toplev): Call it.
1097 (find_reloads_address, find_reloads_address_1): Likewise.
1098 (find_reloads_subreg_address): Likewise.
1100 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1102 PR rtl-optimization/28489
1103 * sched-ebb.c (begin_schedule_ready): Create basic block
1105 (advance_target_bb): Skip empty blocks.
1106 * haifa-sched.c (bb_note): Make global.
1107 * sched-int.h (bb_note): Add prototype.
1109 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1111 PR tree-optimization/27865
1112 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1114 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1115 fold_used_pointer, pointer_used_p): New functions.
1116 (analyze_scalar_evolution_1): Use fold_used_pointer.
1117 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1118 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1121 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1124 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1125 or the INTEGER_CST. Fail on a CALL_EXPR.
1126 (fold_offsetof): Pass new argument to fold_offsetof_1.
1127 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1128 operand into an INDIRECT_REF.
1129 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1131 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1133 PR gcov/profile/26570
1134 * value-prof.c (static_values): Removed.
1135 (tree_find_values_to_profile): Do not set static_values.
1136 (find_values_to_profile): Do not free static_values.
1137 * profile.c (instrument_values): Do not free the values.
1138 (branch_prob): Free the values.
1140 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1142 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1144 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1147 * c-typeck.c (build_component_ref): Combine qualifiers of
1148 structure or union and field.
1150 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1152 PR rtl-optimization/28071
1153 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1154 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1155 * tree-into-ssa.c (struct dom_dfsnum): New.
1156 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1158 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1159 compute_global_livein.
1160 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1161 in phi nodes in the correct blocks.
1163 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1165 PR tree-optimization/28364
1166 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1168 (fold_affine_expr): New function.
1169 (may_eliminate_iv): Use fold_affine_expr.
1171 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1174 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1177 2006-08-16 Mike Stump <mrs@apple.com>
1179 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1180 * doc/cppopts.texi (-MD): Likewise.
1182 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1185 * c-common.c (handle_weak_attribute): Ignore and warn if
1186 not a FUNCTION_ or VAR_DECL.
1188 2006-07-15 Mike Stump <mrs@apple.com>
1191 * c-parser.c (c_parser_typeof_specifier): Don't use
1192 c_finish_expr_stmt, open code desired semantics instead.
1194 2006-08-15 Nick Clifton <nickc@redhat.com>
1196 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1197 fragment to tmake_file only if threads are enabled.
1198 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1199 * config/i386/t-gthr-win32: New file. ... here.
1201 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1204 * c-parser.c (c_parser_compound_statement_nostart): Reset
1205 parser->error after each statement.
1207 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1210 * omp-low.c (lower_omp_parallel): Convert t to
1211 receiver_decl's type.
1212 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1213 source before comparison.
1216 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1217 to itype in assignment to oldival2.
1219 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1223 * c-typeck.c (build_compound_expr): If the second expression
1224 is an error mark, then just return an error mark instead of
1225 creating a COMPOUND_EXPR.
1227 2006-07-14 Mike Stump <mrs@apple.com>
1229 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1231 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1233 * c-decl.c, var-tracking.c: Fix comment typos.
1235 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1237 PR rtl-optimization/28634
1238 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1239 for floating-point modes unless flag_unsafe_math_optimizations.
1241 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1242 Andrew Pinski <pinskia@physics.uc.edu>
1245 * tree.c (build_array_type): Unify array types with
1246 unspecified index_type.
1247 * c-decl.c (grokdeclarator): Make sure we do not modify a
1248 unified incomplete array type.
1249 * c-typeck.c (store_init_value): Create distinct type before
1250 filling in the index type in an initializer from a compound
1253 * c-decl.c (grokdeclarator): Remove code where we copy the
1256 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1258 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1259 into account for TODO_dump_cgraph.
1260 (TODO_update_ssa_no_phi): Likewise.
1261 (TODO_update_ssa_full_phi): Likewise.
1262 (TODO_update_ssa_only_virtuals): Likewise.
1263 (TODO_remove_unused_locals): Likewise.
1264 (TODO_set_props): Likewise.
1265 (TODO_update_stmt_usage): Likewise.
1267 2006-08-13 Dirk Mueller <dmueller@suse.de>
1269 * c-common.c (strict_aliasing_warning): Fix formatting.
1271 2006-08-13 Matthias Klose <doko@debian.org>
1273 * doc/invoke.texi: Fix spelling errors.
1275 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1277 PR rtl-optimization/23454
1278 * reorg.c (relax_delay_slots): Update comment.
1280 2006-08-11 Richard Guenther <rguenther@suse.de>
1283 * simplify-rtx.c (simplify_const_relational_operation):
1284 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1287 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1289 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1290 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1292 2006-08-10 Paul Brook <paul@codesourcery.com>
1294 * final.c (final_scan_insn): Clear current_insn_predicate before
1295 outputting inline asm.
1297 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1299 PR tree-optimization/26197
1300 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1301 get_ref_base_and_extent and overlap_subvar to add only relevant
1302 subvars as may-aliases.
1303 (add_may_alias_for_new_tag): New function, factored out of
1305 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1306 with additional argument.
1307 * tree-flow.h (new_type_alias): Takes additional argument.
1309 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1311 * gcov.c (no_data_file): New flag.
1312 (read_count_file): Set it if data file not present. Assume counts
1314 (output_lines): Don't name the data file, if there wasn't one.
1316 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1318 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1319 (rs6000_generate_compare): Tweak comments.
1320 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1322 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1324 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1325 (var_debug_decl): New function.
1326 (var_reg_set): Follow debug decl link. Add location even if
1327 reg is already known to hold some other variable.
1328 (var_mem_set): Follow debug decl link.
1329 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1330 decl link. Delete other known locations of the variable part
1332 (var_reg_delete, var_mem_delete): Delete other known locations
1333 of the variable part if requested.
1334 (same_variable_part_p): New function.
1335 (add_stores): Select MO_COPY when appropriate.
1336 (vt_initialize): Handle it.
1337 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1338 known locations for MO_SET and MO_CLOBBER.
1339 (find_variable_location_part): New function.
1340 (set_variable_part, delete_variable_part): Use it.
1341 (clobber_variable_part): New function.
1342 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1345 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1347 PR tree-optimization/26969
1348 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1349 with an empty list of PHIs.
1351 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1355 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1358 2006-08-06 Andreas Schwab <schwab@suse.de>
1360 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1361 string. Whitespace and comment fixup.
1363 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1366 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1370 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1373 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1375 2006-08-04 Jan Hubicka <jh@suse.cz>
1379 * reload.c (push_reload): Patch out the mismatching instruction;
1381 (find_reload): Bail out if the instruction was patched out.
1383 2006-08-04 Jan Hubicka <jh@suse.cz>
1385 PR tree-optimization/24888
1386 * tree-inline.c (expand_call_inline): Do not re-record variables.
1387 (declare_inline_vars): Add variable to unexpanded_var_list.
1389 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1390 Roger Sayle <roger@eyesopen.com>
1392 PR rtl-optimization/26244
1393 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1394 inner_const are negative or greater than or equal to the bitsize of
1395 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1396 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1397 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1398 CONST0_RTX (mode) when the new shift count is greater than or equal to
1399 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1402 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1404 * tree-cfg.c: Fix a comment typo.
1406 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1409 * varasm.c (output_constant): Give the front end another chance to
1410 expand constants, after stripping NOPs.
1412 2006-08-03 Jan Hubicka <jh@suse.cz>
1414 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1417 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1419 PR tree-optimization/27770
1420 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1421 declaration removed (moved to tree-flow.h).
1422 (vect_can_force_dr_alignment_p): Likewise.
1423 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1424 (moved from tree-vectorizer.h).
1425 (vect_can_force_dr_alignment_p): Likewise.
1426 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1427 from outside the vectorizer - in particular from cgraph stage.
1428 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1429 the alignment of global arrays when -fsection-anchors is enabled.
1430 * cgraphunit.c (cgraph_increase_alignment): New function.
1431 (cgraph_optimize): Call cgraph_increase_alignment.
1433 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1436 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1437 not reload a SPE symbol_ref into a lo_sum address.
1439 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1442 * dwarf2out.c (prune_unused_types_prune): Move call to
1443 prune_unused_types_update_strings to cover the parent DIE also.
1445 2006-08-02 Jan Hubicka <jh@suse.cz>
1447 PR gcov/profile/28480
1448 * tree-cfg.c (change_bb_for_stmt): New function.
1449 (tree_merge_blocks, tree_split_blocks): Use it.
1451 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1457 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1458 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1459 (cgraph_optimize): Likewise.
1461 2006-08-01 Stuart Hastings <stuart@apple.com>
1463 * rtl.h (UINTVAL) New.
1464 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1465 * testsuite/gcc.dg/20060801-1.c: New.
1467 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1470 * c-typeck.c (build_external_type): Mark used enum types.
1471 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1473 (gen_subprogram_die): Whitespace fix.
1475 2006-08-01 Jan Hubicka <jh@suse.cz>
1477 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1478 bitmap when not needed.
1479 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1482 2006-08-01 Dirk Mueller <dmueller@suse.de>
1484 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1486 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1488 * Makefile.in: Revert part of previous patch:
1489 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1492 2006-07-30 Eric Christopher <echristo@apple.com>
1495 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1496 (PowerPC Variable Attributes): New section.
1498 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1500 PR target/28126 (partial fix)
1501 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1503 2006-07-28 Jan Hubicka <jh@suse.cz>
1505 PR rtl-optimization/28071
1506 * cfgrtl.c (rtl_delete_block): Free regsets.
1507 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1509 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1511 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1512 and variables used in dependencies.
1514 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1516 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1517 %fs for -mcmodel=kernel.
1518 (stack_tls_protect_test_di): Likewise.
1520 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1522 * Makefile.in: Use mkinstalldirs.
1524 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1527 * opts-common.c (prune_options): Skip joined switches.
1529 2006-07-27 Jan Hubicka <jh@suse.cz>
1531 PR rtl-optimization/28071
1532 * cselib.c (cselib_process_insn): Don't remove useless values too
1533 often for very large hashtables.
1535 2006-07-27 Jan Hubicka <jh@suse.cz>
1537 PR rtl-optimization/28071
1538 * global.c (greg_obstack): New obstack.
1539 (allocate_bb_info): Use it.
1540 (free_bb_info): Likewise.
1541 (modify_reg_pav): Likewise.
1543 2006-07-27 Roger Sayle <roger@eyesopen.com>
1545 * builtins.c (fold_fixed_mathfn): When long and long long are the
1546 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1547 functions to their lceil*, lfloor*, lround* and lrint* forms.
1549 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1552 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1554 (rev_branch_insn): Likewise.
1556 2006-07-27 Jan Hubicka <jh@suse.cz>
1558 PR rtl-optimization/28071
1559 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1560 (reg_set_in_bb, max_reg_computed): New static variables.
1561 (regmove_optimize): Free the new array.
1562 (fixup_match_1): Update call of reg_is_remote_constant_p.
1564 2006-07-26 Jan Hubicka <jh@suse.cz>
1566 PR tree-optimization/27882
1567 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1569 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1571 (cgraph_analyze_compilation_unit): Likewise.
1572 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1573 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1574 (cgraph_early_inlinine): Make order garbage collected.
1575 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1577 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1579 * dbxout.c (output_types_sort): Add a comment.
1580 (output_used_types): Free the VEC.
1582 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1584 * function.c (reorder_fix_fragments): Delete.
1585 (reorder_blocks): Don't call it.
1586 (reorder_blocks_1): Put all subblocks under the origin block.
1588 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1590 PR rtl-optimization/27907
1591 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1594 2006-07-25 Roger Sayle <roger@eyesopen.com>
1597 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1598 bar(x) check that bar's result type can represent all the values of T.
1600 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1602 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1604 2006-07-25 Nick Clifton <nickc@redhat.com>
1606 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1607 size_lookup[] array.
1608 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1609 (ggc_pch_count_object): Likewise.
1610 (ggc_pch_alloc_object): Likewise.
1611 (ggc_pch_write_object): Likewise.
1612 (init_ggc): Do not attempt to initialize entries in the
1613 size_lookup[] array for objects whose size is greater than than
1614 the length of the array.
1616 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1618 * dbxout.c (output_used_types_helper): Push queued types
1620 (output_types_sort): New.
1621 (output_used_types): Collect used types on a VEC and sort them
1624 2006-07-24 Richard Guenther <rguenther@suse.de>
1627 * cgraph.c (cgraph_remove_node): Do not check if dumps
1629 * cgraphunit.c (cgraph_optimize): Likewise.
1631 2006-07-24 Jan Hubicka <jh@suse.cz>
1633 PR rtl-optimization/28071
1634 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1635 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1636 splitting before first stmt.
1638 2006-07-24 Jan Hubicka <jh@suse.cz>
1640 PR rtl-optimization/28071
1641 * ipa-inline.c (update_caller_keys): Remove edges that
1642 are no longer inline candidates.
1644 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1647 * dbxout.c (output_used_types_helper, output_used_types): New.
1648 (dbxout_symbol): Call output_used_types.
1650 2006-07-23 Jan Hubicka <jh@suse.cz>
1654 * cgraph.c (cgraph_varpool_nodes): Export.
1655 (decide_is_variable_needed): Ignored "used" attribute in
1656 unit-at-a-time mode.
1657 * cgraph.h (cgraph_varpool_nodes): Declare.
1658 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1659 unit-at-a-time mode.
1661 2006-07-23 Roger Sayle <roger@eyesopen.com>
1664 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1665 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1666 the __gthrw form of thr_keycreate.
1667 (__gthread_key_delete): Silence the unused argument warning.
1669 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1672 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1673 Cache the last found '\0' marker to avoid quadratic behavior.
1675 2006-07-23 Jan Hubicka <jh@suse.cz>
1677 * i386.md (subsi_3_zext): Fix output template.
1679 2006-07-21 Mike Stump <mrs@apple.com>
1681 * doc/invoke.texi (C++ Dialect Options): Note that
1682 -fvisibility-inlines-hidden doesn't affect explicitly
1683 instantiationed inline methods.
1685 2006-07-20 Roger Sayle <roger@eyesopen.com>
1687 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1688 if the target assembler is GNU binutils' gas.
1689 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1690 whether to pass GNU gas or native as command line options.
1692 2006-07-20 Jason Merrill <jason@redhat.com>
1694 * tree.c (remove_attribute): New fn.
1695 * tree.h: Declare it.
1697 2006-07-20 Paul Brook <paul@codesourcery.com>
1700 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1701 they are invalidated by this instruction.
1703 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1706 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1708 2006-07-20 Eric Christopher <echristo@apple.com>
1711 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1713 2006-07-19 Eric Christopher <echristo@apple.com>
1715 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1716 Rewrite dependencies for libgcc_s.1.dylib.
1718 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1720 * except.c (duplicate_eh_regions_1): Clear next_peer.
1722 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1724 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1725 -mlongcall does not guarantee all calls will be long.
1726 * doc/extend.texi (long_call/short_call): Document that longcall
1727 does not guarantee a long call will be used.
1728 (longcall/shortcall): Likewise.
1730 2006-07-18 Roger Sayle <roger@eyesopen.com>
1733 * expmed.c (expand_shift): Additionally check that the shift_cost
1734 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1735 before implementing a LSHIFT_EXPR as a sequence of additions.
1736 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1737 middle-end that DImode shifts need to be synthesized by expand.
1739 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1742 * tree-ssa-operands.c (access_can_touch_variable): Update
1744 Return true if ALIAS is .GLOBAL_VAR.
1746 2006-07-18 David Daney <ddaney@avtrex.com>
1748 * gcc.c (display_help): Fix typo in help text.
1750 2006-07-18 Olivier Hainque <hainque@adacore.com>
1752 * tree.h (categorize_ctor_elements): Adjust prototype and add
1753 descriptive comment, both in accordance with the interface change
1755 * varasm.c (constructor_static_from_elts_p): New function.
1756 Whether a constructor node is a valid static constant initializer
1757 if all its elements are.
1758 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1759 * output.h: Declare it.
1760 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1761 is a valid constant initializer instead of computing the number of
1762 non-constant elements. Use constructor_static_from_elts_p for this
1763 purpose. Replace the head comment with an indication that this is a
1764 helper for categorize_ctor_elements.
1765 (categorize_ctor_elements): Same interface change as for the _1
1766 helper. Former head comment from this helper moved here, adjusted to
1767 account for the interface changes.
1768 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1769 (all_zeros_p): Likewise.
1770 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1771 static versions of the constructor from the categorize_ctor_elements
1772 return value instead of the formerly computed number of non-constant
1775 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1777 * configure: Regenerate.
1778 * Makefile.in (build_libsubdir): New configure substitution
1779 (build_libobjdir): New variable.
1780 (BUILD_LIBIBERTY): Use it.
1782 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1785 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1787 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1790 * c-common.c (handle_weakref_attribute): Ignore attribute in
1791 the same conditions the alias attribute is ignored.
1793 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1795 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1796 (dbxout_begin_prologue): Increment scope_labelno.
1798 2006-07-17 Richard Henderson <rth@redhat.com>
1801 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1804 2006-07-17 Roger Sayle <roger@eyesopen.com>
1805 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1807 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1808 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1809 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1810 functions such as sbrk, write, etc.. Add function prototypes.
1811 Convert function declarations from K&R to ISO C. Cast pointers
1812 to "long" and "unsigned long" instead of "int" and "unsigned int".
1813 Convert tokens following #endif into comments.
1815 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1817 * invoke.texi: Remove mention of f77; Reformat table for
1818 inline parameter options correctly; mention that -malign-double
1819 is default on x86-64 targets.
1821 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1823 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1824 (convert_affine_scev, chrec_convert_aggressive): Use
1825 avoid_arithmetics_in_type_p. Do not check for the subtypes
1828 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1831 * optabs.c (expand_doubleword_shift): Wrap the call to
1832 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1834 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1837 * optabs.c (expand_binop): Pass next_methods rather than methods
1838 to expand_doubleword_shift.
1840 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1843 * tree.h (dump_addr): Declare.
1844 * print-tree.c (dump_addr): New function.
1845 (print_node_brief, print_node): Use it.
1846 * print-rtl.c (print_rtx): Likewise.
1847 * common.opt (-fdump-noaddr): New option.
1848 * doc/invoke.texi (-fdump-noaddr): Document.
1849 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1850 (ve_info_hash): Likewise.
1852 2006-07-13 Andrew Haley <aph@redhat.com>
1854 PR tree-optimization/19505
1855 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1856 edge leaving this block, make sure that the destination of this
1857 block has only one predecessor.
1859 2006-07-17 Richard Guenther <rguenther@suse.de>
1861 PR tree-optimization/28238
1862 * tree-inline.c (copy_bb): Check if we produced valid
1863 gimple copying and substituting a stmt. If not, gimplify
1866 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1868 * optabs.c (maybe_encapsulate_block): New function extracted from...
1869 (emit_libcall_block): ...here. Invoke it on the block of insns to
1870 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1871 (emit_no_conflict_block): Likewise.
1873 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1875 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1877 2006-07-15 Roger Sayle <roger@eyesopen.com>
1879 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1880 a new NOP_EXPR case of the switch statement.
1882 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1885 * stor-layout.c (place_field): Take the bit field with
1886 an excessive size into account in the ms-bitfiled case.
1889 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1890 the previous bit field.
1892 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1895 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1897 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1899 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1900 signal frames correctly even when the signal was installed with
1903 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1905 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1906 (dbxout_function_end): Use local label LFBB. Remove hook
1908 (dbxout_source_line): Use local label LFBB.
1909 (dbxout_block): Likewise.
1910 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1911 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1912 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1913 and DBX_OUTPUT_NFUN.
1915 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1917 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1919 2006-07-13 Jan Hubicka <jh@suse.cz>
1921 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1923 * output.h (align_variable): Declare.
1924 * varasm.c (align_variable): Export.
1925 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1926 when basic block changed.
1928 2006-07-13 Nick Clifton <nickc@redhat.com>
1930 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1931 walking the LOG_LINKS chain.
1933 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1935 * doc/invoke.texi (C++ Dialect Options): Explain difference
1936 between -fvisibility-inlines-hidden and setting hidden
1937 visibility explicitly.
1939 2006-07-12 Eric Christopher <echristo@apple.com>
1941 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1942 (stmp-lipo): Depend on libgcc.a.
1944 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
1946 * tree.c: Fix a comment typo.
1948 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
1950 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
1952 (umulhisi3_r): Likewise.
1954 2006-07-12 Paolo Carlini <pcarlini@suse.de>
1957 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
1958 x < 19, vs wchar_t support.
1960 2006-07-12 Nick Clifton <nickc@redhat.com>
1962 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
1963 instead of -isa=sh4.
1965 2006-07-12 Mike Stump <mrs@apple.com>
1967 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
1969 2006-07-10 Eric Christopher <echristo@apple.com>
1971 * config/t-slibgcc-darwin: Rewrite.
1973 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
1976 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
1979 2006-07-08 Matthias Klose <doko@debian.org>
1981 * doc/sourcebuild.texi: Fix typo.
1983 2006-07-07 Mike Stump <mrs@apple.com>
1985 * toplev.c (process_options): Don't give -ffunction-sections may
1986 affect debugging warning for Mach-O.
1988 2006-07-07 James E Wilson <wilson@specifix.com>
1990 * config/mips/mips.md (cpu): Add sb1a.
1991 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
1992 addition to sb1. Adjust comments to clarify SB-1A differences from
1994 (ir_sb1a_load): New. Modify bypasses to use it.
1995 (ir_sb1a_simple_alu): Likewise.
1996 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
1997 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
1998 (mips_issue_rate): Add PROCESSOR_SB1A.
1999 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2000 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2001 (TARGET_SB1): Add PROCESSOR_SB1A check.
2002 (TUNE_SB1): Likewise.
2004 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2005 * config/mips/mips.c (mips_store_data_bypass_p): New.
2006 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2007 store_data_bypass_p.
2009 2006-07-08 Paul Brook <paul@codesourcery.com>
2012 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2014 2006-07-07 Richard Guenther <rguenther@suse.de>
2017 * tree.h (build_one_cst): Declare.
2018 * tree.c (build_one_cst): New function.
2019 * tree-ssa-math-opts.c (get_constant_one): Remove.
2020 (insert_reciprocals): Use build_one_cst.
2021 * fold-const.c (fold_plusminus_mult): Likewise.
2023 2006-07-07 Roger Sayle <roger@eyesopen.com>
2025 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2026 * cfgloopanal.c (dump_graph): Likewise.
2027 * dojump.c (discard_pending_stack_adjust): Likewise.
2028 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2030 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2031 * function.c (finalize_block_changes): Likewise.
2032 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2033 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2034 * rtl.c (dump_rtx_statistics): Likewise.
2035 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2037 * varray.c (dump_varray_statistics): Likewise.
2038 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2039 decode_decimal64, encode_decimal128, decode_decimal128,
2040 decimal_real_to_decimal): Likewise.
2042 2006-07-07 Richard Guenther <rguenther@suse.de>
2044 PR tree-optimization/28187
2045 * tree-vrp.c (vrp_operand_equal_p): New function.
2046 (vrp_bitmap_equal_p): Likewise.
2047 (update_value_range): Use them to compare old and new
2050 2006-07-06 Roger Sayle <roger@eyesopen.com>
2052 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2053 a default case to switch statement to silence compiler warnings.
2055 2006-07-06 Roger Sayle <roger@eyesopen.com>
2058 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2059 the configured assembler supports the x87's ffreep mnemonic.
2060 * configure: Regenerate.
2061 * config.in: Regenerate.
2063 * config/i386/i386.c (output_387_ffreep): New function.
2064 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2065 (output_387_reg_move): Likewise.
2067 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2069 Port to hosts whose 'sort' and 'tail' implementations
2070 treat operands with leading '+' as file names, as POSIX
2071 has required since 2001. However, make sure the code still
2072 works on pre-POSIX hosts.
2073 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2074 which says you should use "tail -c +N" rather than "tail +Nc".
2075 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2077 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2079 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2082 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2085 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2086 PRE_{INC,DEC} of TFmode.
2088 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2089 Alan Modra <amodra@bigpond.net.au>
2092 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2095 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2098 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2099 Remove duplicate gtu.
2101 2006-07-05 Jason Merrill <jason@redhat.com>
2105 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2106 * c-common.c (handle_packed_attribute): So don't copy it here.
2107 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2109 2006-07-05 Mike Stump <mrs@apple.com>
2111 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2113 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2116 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2118 2006-07-05 Richard Guenther <rguenther@suse.de>
2121 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2122 TARGET_SSE2 targets if using SSE math.
2123 (*absdf2_1): Likewise.
2125 2006-07-05 Richard Guenther <rguenther@suse.de>
2127 PR tree-optimization/28162
2128 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2129 make sure to convert the operands to the correct type.
2131 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2133 PR tree-optimization/28218
2135 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2136 to calculate and free the dominator information.
2138 2006-07-04 Peter O'Gorman <peter@pogma.com>
2140 * mklibgcc.in: chmod 644 before ranlib during install.
2142 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2143 J"orn Rennecke <joern.rennecke@st.com>
2145 * configure.ac (.eh_frame data check): Use diff -b.
2147 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2150 * Makefile.in (BUILD_RTL): Add build/vec.o.
2151 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2152 (build/genextract): Delete.
2153 (build/genautomata): Likewise.
2155 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2158 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2159 128-bit IBM long doubles for ABI_V4.
2161 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2163 * tree.c (range_in_array_bounds_p): New predicate.
2164 * tree.h (range_in_array_bounds_p): Declare it.
2165 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2166 return a less conservative answer.
2167 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2168 and flag 'is_group'.
2169 (IS_ELEMENT_FOR_GROUP): New macro.
2170 (FOR_EACH_ACTUAL_CHILD): Likewise.
2171 (next_child_for_group): New helper function.
2172 (can_completely_scalarize_p): Take into account groups.
2173 (sra_hash_tree): Handle RANGE_EXPR.
2174 (sra_elt_eq): Likewise.
2175 (lookup_element): Be prepared for handling groups.
2176 (is_valid_const_index): Delete.
2177 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2178 instead of is_valid_const_index.
2179 <ARRAY_RANGE_REF>: New case.
2180 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2181 is_valid_const_index.
2182 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2183 (scan_dump): Dump info for groups too.
2184 (decide_instantiation_1): Likewise.
2185 (decide_block_copy): Assert that the element is not a group.
2186 Propagate decision to groups.
2187 (generate_one_element_ref): Handle RANGE_EXPR.
2188 (mark_no_warning): Iterate over actual childs.
2189 (generate_copy_inout): Likewise.
2190 (generate_element_copy): Likewise.
2191 (generate_element_zero): Likewise.
2192 (generate_element_init_1): Likewise.
2193 (dump_sra_elt_name): Handle RANGE_EXPR.
2195 2006-07-03 Roger Sayle <roger@eyesopen.com>
2197 PR tree-optimization/26251
2198 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2199 (thread_block): When optimizing for size refuse to thread jumps
2200 that would require duplication of blocks other than redirection
2203 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2205 * configure.ac: Fix thinko in previous check-in.
2206 * configure: Regenerate.
2208 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2211 * configure.ac (for lang...): Simplify nesting of conditionals.
2212 Test subdir_requires for non-enabled languages. Move processing
2213 of lang_opt_files and lang_tree_fiels below that test.
2214 * configure: Regenerate.
2215 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2217 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2219 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2221 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2223 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2226 2006-06-29 Jason Merrill <jason@redhat.com>
2233 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2234 * c-common.c (c_determine_visibility): Handle it here.
2235 * c-decl.c (finish_decl): Call c_determine_visibility for
2237 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2239 * varasm.c (default_assemble_visibility): Likewise.
2240 * c-common.c (handle_visibility_attribute): Complain about trying
2241 to give visibility to an already defined class, or trying to change
2242 declared visibility. Always attach the attribute.
2247 * attribs.c (decl_attributes): Ignore type-in-place attributes
2248 once the type has been defined.
2250 2006-06-29 Roger Sayle <roger@eyesopen.com>
2253 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2254 to indicate the cpplib has issued an error message for us.
2256 2006-06-29 Asher Langton <langton2@llnl.gov>
2259 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2260 insert a label at the end of an function under Mach-O.
2262 2006-06-29 Eric Christopher <echristo@apple.com>
2263 Evan Cheng <evan.cheng@apple.com>
2265 * predicates.md (vector_all_ones_operand): New.
2266 (nonimmediate_or_sse_const_operand): Ditto.
2267 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2268 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2269 (standard_sse_mode_p): Ditto.
2270 (standard_sse_constant_p): Add case for -1 vector.
2271 (ix86_expand_vector_move): Try to use.
2272 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2273 Call standard_sse_constant_opcode.
2274 (*movv4sf_internal): Ditto.
2275 (*movv2df_internal): Ditto.
2277 2006-06-29 Roger Sayle <roger@eyesopen.com>
2279 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2280 of XEXP to extract the operands of a MATCH_CODE rtx.
2282 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2284 * tree.c (tree_size): Do not waste tail padding in
2285 struct tree_string and make the size be the same as
2286 build_string will generate.
2288 2006-06-28 Jason Merrill <jason@redhat.com>
2291 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2292 may_aliases already in the tag's annotations to the bitmap.
2294 2006-06-28 Roger Sayle <roger@eyesopen.com>
2296 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2298 2006-06-28 Roger Sayle <roger@eyesopen.com>
2300 * genpreds.c (generate_switch_p): New function.
2301 (add_mode_tests): Push the new mode test down inside an AND expr
2302 if this allows the switch-suitable MATCH_CODE to be near the root.
2303 (write_match_code_switch): New function to write a MATCH_CODE as
2305 (write_predicate_stmts): New function to write a predicate RTX
2306 expression as a sequence of statements.
2307 (write_one_predicate_function): Use write_predicate_stmts.
2308 (write_tm_constrs_h): Likewise.
2310 2006-06-26 Fred Fish <fnf@specifix.com>
2312 * config/mips/t-sb1: New file.
2313 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2316 2006-06-26 DJ Delorie <dj@redhat.com>
2318 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2320 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2321 Jayant Sonar <jayants@kpitcummins.com>
2322 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2324 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2325 (subsi3, subsi3_1, subsi3_2): New.
2326 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2327 * config/m32c/mov.md (SI mov peephole): New.
2328 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2329 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2331 2006-06-26 Olivier Hainque <hainque@adacore.com>
2333 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2334 a CALL_EXPR target function declaration.
2336 2006-06-26 Richard Guenther <rguenther@suse.de>
2338 * tree.c (build_string): Do not waste tail padding in
2341 2006-06-26 Richard Guenther <rguenther@suse.de>
2343 * ggc-page.c (init_ggc): Add missing element to size_lookup
2347 2006-06-23 Richard Guenther <rguenther@suse.de>
2349 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2350 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2351 alignment requests instead. Add verification code.
2352 Add struct tree_function_decl and struct tree_binfo size to
2353 extra_order_size_table. Add missing element to size_lookup
2356 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2359 * fold-const.c (const_binop): Be prepared for self returning zero.
2360 Simplify code handling complex values.
2362 2006-06-24 Olivier Hainque <hainque@adacore.com>
2364 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2365 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2368 2006-06-24 Olivier Hainque <hainque@adacore.com>
2370 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2371 ARRAY_REF, so have the callback called for the low bound expression.
2373 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2375 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2376 * c-typeck.c (c_common_type): Disallow operations on decimal float
2377 types and other float types.
2378 * convert.c (convert_to_real): Don't ignore conversions involving
2379 decimal float types.
2381 2006-06-23 Olivier Hainque <hainque@adacore.com>
2383 * tree.c (max_int_size_in_bytes): New function, inspired from
2384 code in function.c:assign_temp.
2385 * tree.h (max_int_size_in_bytes): Declare.
2386 * function.c (assign_temp): Use it.
2387 * gimplify.c (create_tmp_var): Relax the assertions on the type
2388 properties, not mandating constant size any more.
2389 (force_constant_size): New static function.
2390 (gimple_add_tmp_var): Use it, forcing variable size to a
2391 constant upper bound if it is not constant on entry.
2393 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2396 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2397 for initialization and setting of one_only flag to ...
2398 (i386_pe_encode_section_info): ...here.
2399 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2400 Recheck that the symbol has not been defined.
2402 2006-06-23 Richard Guenther <rguenther@suse.de>
2404 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2405 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2406 alignment requests instead. Add verification code.
2407 Add struct tree_function_decl and struct tree_binfo size to
2408 extra_order_size_table. Add missing element to size_lookup
2411 2006-06-22 Roger Sayle <roger@eyesopen.com>
2412 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2415 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2416 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2418 2006-06-23 Ben Elliston <bje@au.ibm.com>
2420 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2421 negate dn -- manipulate it directly.
2423 2006-06-22 Roger Sayle <roger@eyesopen.com>
2424 Steven Bosscher <stevenb.gcc@gmail.com>
2427 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2428 generated by gen_move_insn to add REG_LABEL notes if necessary.
2430 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2432 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2433 (leaf_entry): Remove use of MIN_ESA.
2435 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2437 PR rtl-optimization/28121
2438 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2441 2006-06-21 DJ Delorie <dj@redhat.com>
2443 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2445 (mulhisi3_r): Likewise.
2447 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2450 * coverage.c (coverage_counter_alloc): Leave the index type
2452 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2455 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2457 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2458 section from the "Options for Code Generation Conventions".
2460 2006-06-21 Richard Henderson <rth@redhat.com>
2464 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2466 (global_symbolic_operand): Allow weak symbols, even if local_p.
2468 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2470 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2471 (find_interesting_uses_address): Punt if above function returns true.
2473 2006-06-21 Richard Guenther <rguenther@suse.de>
2475 * configure: Regenerated.
2477 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2479 * config/mips/mips.c (function_arg): Where one part of a
2480 complex argument is in registers and the other part in the stack,
2481 return a REG not a PARALLEL.
2483 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2485 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2486 when cross-compiling. Do not substitute libstdcxx_incdir.
2487 * configure: Regenerated.
2489 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2491 * varasm.c (mergeable_string_section): Check for embedded NULs and
2492 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2493 rather than TREE_STRING_LENGTH bytes.
2495 2006-06-21 Richard Guenther <rguenther@suse.de>
2497 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2498 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2501 2006-06-21 Richrad Guenther <rguenther@suse.de>
2503 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2504 Limit iteration over the dominators.
2506 2006-06-20 Roger Sayle <roger@eyesopen.com>
2508 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2509 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2511 2006-06-20 Richard Guenther <rguenther@suse.de>
2512 Michael Matz <matz@suse.de>
2514 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2516 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2517 * et-forest.h (et_free_pools): Prototype new function.
2518 * et-forest.c (et_free_tree_force): Free parent occurrence.
2519 (et_free_pools): New function.
2520 * dominance.c (free_dominance_info): Free et-forest alloc
2523 2006-06-20 Roger Sayle <roger@eyesopen.com>
2525 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2526 integer modes, attempt to directly construct an integer constant.
2528 * fold-const.c (native_encode_vector): Determine the size of each
2529 element from the vector type instead of the first vector element.
2531 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2532 if all of its elements/components are constant.
2533 (build_constructor_from_list): Likewise.
2535 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2537 PR tree-optimization/27331
2538 * tree-data-ref.c (free_data_ref): New function.
2539 (create_data_ref): Fail if the data reference has unknown access
2541 (free_data_refs): Use free_data_ref.
2543 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2546 * tree-inline.c (setup_one_parameter): Strip useless
2547 type conversion before adding it to the IR.
2548 (declare_return_variable): Likewise.
2550 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2553 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2555 2006-06-19 Mike Stump <mrs@apple.com>
2557 * tree.c (variably_modified_type_p): VM arguments don't make the
2560 2006-06-19 Richard Guenther <rguenther@suse.de>
2562 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2563 type conversions after folding.
2565 2006-06-19 Richard Guenther <rguenther@suse.de>
2567 * ggc-page.c (extra_order_size_tab): Add entries with
2568 size of struct function and basic_block.
2569 (size_lookup): Extend to cover sizes up to 511.
2570 (ggc_alloc_stat): Adjust user.
2571 (ggc_pch_count_object): Likewise.
2572 (ggc_pch_alloc_object): Likewise.
2573 (ggc_pch_write_object): Likewise.
2575 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2577 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2578 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2581 2006-06-19 Denis Chertykov <denisc@overta.ru>
2583 * config/avr/libgcc.S : Correct my wrong previous commit.
2585 2006-06-19 Roger Sayle <roger@eyesopen.com>
2588 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2589 have stripped a SUBREG from the shift count, so we may need to
2590 convert_to_mode back to the type's mode before calling make_tree.
2591 Use new_amount instead of amount to avoid expanding a tree twice.
2593 2006-06-19 Richard Guenther <rguenther@suse.de>
2596 * fold-const.c (operand_equal_p): Check if the argument types
2597 have the same precision before stripping NOPs.
2599 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2601 Fix PR tree-optimization/27341
2602 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2604 * tree-complex.c (pass_lower_complex): Update SMT usage.
2606 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2608 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2609 Add a new alternative to the constraint strings. Add move of
2610 operand 1 to 3 to the splitter definition.
2611 ("doloop_si_long"): Second contraint alternative removed.
2613 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2615 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2616 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2618 (AVR_HAVE_MOVW) Define.
2619 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2620 (ASM_SPEC): Add avr25.
2621 (LINK_SPEC): Add avr25.
2622 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2623 (base_arch_s): Add new member 'have_movw_lpmx'.
2624 (avr_arch_types): Init 'have_movw_lpmx'.
2625 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2626 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2627 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2628 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2629 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2631 (avr_file_start): Do not output '.arh' derective.
2632 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2633 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2634 * config/avr/avr.md (mcu_enhanced): Delete.
2635 (mcu_have_movw): Define.
2636 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2637 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2638 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2639 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2640 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2641 attiny861 and at86rf401 devices.
2643 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2645 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2648 2006-06-17 Karl Berry <karl@gnu.org>
2650 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2651 doc/gccint.texi, doc/install.texi (@dircategory): Use
2652 "Software development" instead of "Programming", following
2653 the Free Software Directory.
2655 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2657 * config/i386/i386.c (legitimate_tls_address)
2658 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2659 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2660 (*tls_dynamic_gnu2_combine_64): Likewise.
2662 2006-06-16 Richard Guenther <rguenther@suse.de>
2665 * fold-const.c (negate_expr_p): Do not introduce undefined
2666 overflow in negating INTEGER_CSTs.
2667 (fold_negate_expr): Rename from negate_expr. Revert last
2668 change for folding BIT_NOT_EXPR. Change semantics to
2669 return NULL_TREE for non-simplified negations. Do not
2670 strip type conversions and unify type handling.
2671 (negate_expr): New function, wrap around fold_negate_expr
2672 but ensure building a tree always. Strip type conversions
2673 here, fold to result type.
2674 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2676 2006-06-16 Roger Sayle <roger@eyesopen.com>
2679 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2680 that (would) return their results in stack registers.
2682 2006-06-16 Michael Matz <matz@suse.de>
2683 Richard Guenther <rguenther@suse.de>
2685 * fold-const.c (fold_truthop): Only return new tree node if
2686 we canonicalized something.
2688 2006-06-16 Richard Guenther <rguenther@suse.de>
2690 * function.h (enum function_frequency): Move declaration
2691 out of struct function.
2692 (struct function): Move bool fields and the enum to the bitfield
2693 section. Reorder elements to avoid padding. Remove unused
2694 fields left over from the RTL inliner removal.
2695 * function.c (free_after_compilation): Do not zero removed fields.
2696 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2697 (ipa-type-escape.o): Likewise.
2699 2006-06-16 Richard Guenther <rguenther@suse.de>
2701 * cgraph.h (struct cgraph_local_info): Turn bool elements
2703 (struct cgraph_node): Likewise.
2704 (struct cgraph_varpool_node): Likewise.
2706 2006-06-15 Richard Guenther <rguenther@suse.de>
2708 * fold-const.c (fold_truth_not_expr): Rename from
2709 invert_truthvalue. Give it fold_* semantics to avoid
2711 (invert_truthvalue): New function. Wrapper around
2712 fold_truth_not_expr.
2713 (optimize_minmax_comparison): Avoid creating garbage.
2714 (fold_unary): Use fold_truth_not_expr for folding
2716 (fold_ternary): Replace uses of invert_truthvalue with
2717 fold_truth_not_expr where applicable.
2718 * tree.h (fold_truth_not_expr): Prototype.
2720 2006-06-16 Richard Guenther <rguenther@suse.de>
2722 PR tree-optimization/27781
2723 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2724 * ipa-pure-const.c (target.h): Include.
2725 (analyze_function): Do not analyze functions that do not
2728 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2731 * tree-dfa.c (referenced_vars_dup_list): Remove.
2732 (find_referenced_vars): Remove assert.
2733 (referenced_var_check_and_insert): Replace dup list with assert.
2734 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2735 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2737 2006-06-15 Richard Guenther <rguenther@suse.de>
2739 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2740 extra unused identifiers if not dumping.
2741 (create_variable_info_for): Likewise.
2743 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2745 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2746 (derive_constant_upper_bound): Derive more precise upper bound in
2747 common cases. Return type changed to double_int.
2748 (record_estimate): Reflect the changed return type of
2749 derive_constant_upper_bound.
2750 * double-int.c (double_int_zext, double_int_sext): Fix.
2752 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2754 * configure.ac (CFLAGS): Get them from the toplevel or from the
2755 configure invocation.
2756 * configure: Regenerate.
2757 * Makefile.in (CFLAGS): Substitute value provided by configure.
2759 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2762 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2763 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2764 rather than calling add_stmt on it.
2765 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2767 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2770 * reload1.c (reload): Remove registers returned by update_eliminables
2771 from used_spill_regs.
2773 2006-06-13 DJ Delorie <dj@redhat.com>
2775 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2777 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2779 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2780 html__strip_dir, html__mkdir_p. Enhance install-html target.
2781 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2782 * configure: Regenerate.
2784 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2786 * fold-const.c (fold_cond_expr_with_comparison): Check for
2787 Objective-C++ as language in deciding COND_EXPR transformation.
2789 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2792 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2793 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2794 * config/sh/lib1funcs.h (SL, SL1): Define.
2795 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2796 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2797 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2798 (OBJS_Os_4_200): New variable.
2799 ($(T)libgcc-Os-4-200.a): Use it.
2800 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2801 when dividing 1 and/or by 0.
2803 2006-06-13 Roger Sayle <roger@eyesopen.com>
2805 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2806 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2807 * configure: Regenerate.
2809 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2811 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2812 for real instruction.
2814 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2817 * haifa-sched.c (check_cfg): Handle special case.
2819 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2822 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2823 Add debug_info parameter. Chain the vars to the BLOCK instead
2824 of the BIND_EXPR if debug info are requested for them.
2825 (pop_gimplify_context): Adjust for above change.
2826 (gimple_add_tmp_var): Likewise.
2827 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2829 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2830 (convert_local_reference): Likewise.
2831 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2832 (finalize_nesting_tree_1): Request that debug info be emitted
2833 for debug_var_chain.
2835 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2837 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2838 for PR target/27863.
2840 2006-06-13 Richard Guenther <rguenther@suse.de>
2843 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2845 2006-06-13 Richard Guenther <rguenther@suse.de>
2847 PR tree-optimization/27830
2848 * tree-inline.c (copy_body_r): For copying the operand
2849 of an ADDR_EXPR make sure to fold &* afterwards.
2851 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2853 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2854 lvalues in the fb_none case with side-effects.
2856 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2858 * tree-flow.h: Remove the prototype for
2859 compute_phi_arg_on_exit.
2860 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2861 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2864 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2866 * builtins.c (expand_builtin_return_addr): Only use
2867 frame_pointer_rtx when count == 0 and we are expanding
2868 __builtin_return_address.
2870 2006-06-12 Fred Fish <fnf@specifix.com>
2872 * config/mips/mips.c (mips_file_start): Create special section
2873 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2875 2006-06-11 Eric Christopher <echristo@apple.com>
2878 * stor-layout.c (place_field): Remove check for
2879 remaining_in_alignment when aligning at the end of a run.
2881 2006-06-11 Eric Christopher <echristo@apple.com>
2884 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2887 2006-06-11 Roger Sayle <roger@eyesopen.com>
2890 Revert incorrect fix for PR target/27158
2891 2006-05-08 Roger Sayle <roger@eyesopen.com>
2892 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2893 of a reg_equiv_constant if the result is a legitimate constant.
2895 2006-06-11 Roger Sayle <roger@eyesopen.com>
2898 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2899 extract a CONST_VECTOR element and interpret it as an integer.
2900 (vspltis_constant): Use const_vector_elt_as_int instead of the
2901 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2902 * config/rs6000/predicates.md (easy_vector_const): Consider
2903 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2905 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2908 * stor-layout.c (update_alignment_for_field): Don't add extra
2909 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2912 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2914 * config/mips/t-rtems: Add EL/EB multilib variants.
2916 2006-06-09 Mike Stump <mrs@apple.com>
2918 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2920 2006-06-09 David Daney <ddaney@avtrex.com>
2922 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2924 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2926 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2928 2006-06-09 Richard Guenther <rguenther@suse.de>
2930 PR tree-optimization/26998
2931 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2932 of signed types, only TYPE_MIN_VALUE is special, but for both,
2933 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2934 in this case, as is -fwrapv.
2936 2006-06-08 Mike Stump <mrs@apple.com>
2939 * config/darwin.c (darwin_asm_output_anchor): Disable
2940 -fsection-anchors on darwin for now.
2941 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2942 * rs6000/rs6000.c (optimization_options): Likewise.
2944 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2947 * config/i386/i386.c (classify_argument): Skip fields with invalid
2950 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
2952 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
2953 (cse_insn): Likewise for the stack_pointer_rtx.
2955 2006-06-08 Roger Sayle <roger@eyesopen.com>
2957 * tree-ssa-dom.c (record_conditions): Only record "unordered"
2958 conditions from floating point comparisons.
2960 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
2963 * expmed.c (struct alg_hash_entry): Fix type of field T
2964 to match synth_mult argument.
2965 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
2967 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2970 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
2973 2006-06-08 Richard Guenther <rguenther@suse.de>
2976 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
2977 only, if overflow is defined and not trapping.
2978 (negate_expr): Likewise.
2980 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2982 PR tree-optimization/27872
2983 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
2984 flag on the new exit edge of the unrolled loop.
2986 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
2988 PR rtl-optimization/26449
2989 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
2991 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
2994 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
2995 referenced_variables with matching DECL_UID's.
2996 (find_referenced_vars): Make sure duplicate list is empty to start.
2997 (referenced_var_p): Remove.
2998 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
2999 Check if var is in the list, and add if needed. Update the duplicate
3000 list if a different var is in the list with the same DECL_UID.
3001 (add_referenced_var): Call routine to check and insert.
3002 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3003 * tree-flow.h (referenced_vars_dup_list): External declaration.
3005 2006-06-07 Fred Fish <fnf@specifix.com>
3007 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3010 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3013 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3014 the imaginary and real parts of a clobbered register.
3015 Emit insn to set the imaginary part.
3017 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3019 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3020 in lieu of unwind-dw2-fde.c.
3022 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3024 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3026 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3029 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3030 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3031 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3032 V4SImode temporaries and operations instead.
3034 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3036 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3039 2006-06-06 Mike Stump <mrs@apple.com>
3041 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3042 installing during build.
3044 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3046 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3048 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3049 * config/ia64/ia64.c (params.h): New header.
3050 (ia64_optimization_options): New function to adjust parameters.
3051 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3052 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3053 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3055 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3057 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3059 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3062 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3064 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3065 Victor Kaplansky <victork@il.ibm.com>
3067 PR tree-optimization/26360
3068 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3071 2006-06-04 Roger Sayle <roger@eyesopen.com>
3072 Andrew Pinski <pinskia@physics.uc.edu>
3075 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3076 for LABEL_DECL before calling DECL_WEAK.
3079 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3080 LABEL_DECL and PARM_DECL.
3082 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3086 * c-decl.c (grokdeclarator): Disallow variably modified types at
3087 file scope. Avoid marking shared array type of constant size as
3090 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3093 * c-common.c (fold_offsetof_1): Handle static members.
3095 2006-06-04 Eric Christopher <echristo@apple.com>
3097 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3098 (debug_rli): Output value for remaining_in_alignment.
3099 (update_alignment_for_field): Unconditionalize
3100 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3101 extra alignment code.
3102 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3103 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3104 * tree.h (record_layout_info_s): Remove prev_packed.
3105 * doc/extend.texi (ms_struct): Add documentation of format.
3107 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3109 * tree.h: Declare folding_initializer.
3110 * builtins.c (fold_builtin_constant_p): Give definite answer
3111 if folding inside an initializer.
3112 * fold-const.c: Define folding_initializer.
3113 (START_FOLD_INIT): Save and then set folding_initializer.
3114 (END_FOLD_INIT): Restore folding_initializer.
3116 2006-06-04 Richard Guenther <rguenther@suse.de>
3118 PR tree-optimization/27039
3119 * fold-const.c (fold_comparison): Handle pointer comparison
3120 again for all comparison codes. Compare offsets in signed
3122 (fold_binary): Move code from here.
3124 2006-06-03 Roger Sayle <roger@eyesopen.com>
3127 * config/i386/i386.c (construct_container): Split static issued_error
3128 flag into issued_sse_arg_error, issued_sse_ret_error and
3129 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3130 requires the use of x87 registers and the user explicitly
3131 specified the -mno-80387 command line option.
3133 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3135 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3136 HAVE_DECL_SIGALTSTACK.
3138 (segv_handler): Use MC_FLD.
3139 * configure.ac: Check for a sigaltstack declaration.
3140 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3141 * configure: Regenerate.
3142 * config.in: Regenerate.
3144 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3147 * Makefile.in (stmp-fixinc): Fix typo.
3149 2006-06-02 Roger Sayle <roger@eyesopen.com>
3151 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3152 are type correct. Clean-up.
3153 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3154 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3156 2006-06-01 DJ Delorie <dj@redhat.com>
3158 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3159 shift, as we've disabled the "switch" insn that needs it.
3161 2006-06-01 Per Bothner <bothner@bothner.com>
3163 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3164 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3165 * c-ppoutput.c (cb_define): Don't increment line 0.
3167 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3169 * doc/invoke.texi: Add cpu_type power6.
3170 * config.gcc: Add cpu_type power6.
3171 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3172 to power5+ with Altivec.
3173 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3174 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3176 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3178 * config/avr/avr.h (SET_ASM_OP): Define.
3180 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3182 * config/bfin/bfin.c: Fix comment typos.
3184 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3187 * doc/install.texi: Document --enable-bootstrap and
3188 --disable-bootstrap.
3190 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3192 * doc/install.texi: Document that InfoZIP can replace jar.
3194 2006-05-31 Roger Sayle <roger@eyesopen.com>
3196 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3197 isn't available, directly generate the simpler x87 patterns without
3198 the (use (const_int 0)).
3199 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3200 implementation isn't available.
3201 (*negdf2_1): Likewise.
3202 (*negxf2_1): XF mode negation is always done using the x87.
3203 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3205 2006-05-31 Roger Sayle <roger@eyesopen.com>
3207 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3208 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3210 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3212 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3214 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3215 * config/bfin/bfin.c (basic-block.h): Include.
3216 (struct machine_function): New.
3217 (bfin_init_machine_status): New.
3218 (override_options): Initialize init_machine_status.
3219 (bfin_hardware_loop): New.
3220 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3221 (DEF_VEC_P (loop_info)): New.
3222 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3223 (struct loop_info): New.
3224 (loop_info): New typedef.
3225 (struct loop_work): New.
3226 (loop_work): New typedef.
3227 (DEF_VEC_O (loop_work)): New.
3228 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3229 (bfin_dump_loops): New.
3230 (bfin_bb_in_loop): New.
3231 (bfin_scan_loop): New.
3232 (bfin_optimize_loop): New.
3233 (bfin_reorg_loops): New.
3234 (bfin_reorg): Use bfin_reorg_loops.
3235 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3237 (I_REGNO_P): Simplify.
3238 (DP_REGNO_P, DPREG_P): New macros.
3239 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3240 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3241 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3242 Add LT_REGS, LC_REGS, LB_REGS.
3243 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3245 (REGNO_REG_CLASS): Deal with loop registers.
3246 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3248 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3249 New constants for loop registers.
3250 (UNSPEC_LSETUP_END): New.
3251 (seq_insns): New define_attr. Set it for appropriate insns.
3252 (movsi_insn): Add alternatives for move from/to
3253 loop count registers.
3254 (doloop_end): New define_expand.
3255 (loop_end): New define_insn.
3256 (define_split for bad doloop_end): New.
3257 (lsetup_with_autoinit): New define_insn.
3258 (lsetup_without_autoinit): New define_insn.
3259 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3260 * config/bfin/predicates.md (lc_register_operand): New.
3261 (lt_register_operand): New.
3262 (lb_register_operand): New.
3263 (nondp_register_operand): New.
3264 (nondp_reg_or_memory_operand): New.
3265 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3267 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3269 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3270 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3272 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3274 * Makefile.in (CATALOGS): Add po/ prefix.
3275 * configure: Regenerated.
3277 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3280 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3281 a shift operand before calling shift_op. Avoid redundant call of
3284 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3285 DJ Delorie <dj@redhat.com>
3287 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3288 we're inserting is a singlt-bit constant.
3290 2006-05-30 Roger Sayle <roger@eyesopen.com>
3292 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3293 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3295 2006-05-30 Roger Sayle <roger@eyesopen.com>
3297 PR tree-optimization/23452
3298 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3299 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3300 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3301 complex values and with -ffast-math for FP complex values.
3303 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3305 * c-common.h: Remove the prototype for yyparse.
3306 * rtl.h: Remove the prototype for init_loop.
3308 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3310 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3313 2006-05-30 Roger Sayle <roger@eyesopen.com>
3315 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3317 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3318 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3320 2006-05-30 Dirk Mueller <dmueller@suse.de>
3323 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3324 for CONSTANT_CLASS_P expresisons.
3326 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3329 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3331 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3333 PR tree-optimization/27779
3334 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3335 initial_condition instead of CHREC_LEFT.
3337 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3339 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3340 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3341 Make prototypes ISO C90.
3343 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3344 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3346 * see.c (see_analyze_one_def): Correct check.
3347 (see_get_extension_data): Check if extension is parallel.
3348 (see_get_extension_reg): Likewise.
3350 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3353 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3354 into register for (code == GTU).
3356 2006-05-29 Roger Sayle <roger@eyesopen.com>
3358 PR tree-optimization/24964
3359 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3360 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3361 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3362 abs(x)*abs(x) as x*x for scalar floating point modes.
3364 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3367 * lambda-code.c (perfect_nestify): Don't copy statements
3368 in the inner loop: move them to the inner loop header.
3370 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3373 * c-tree.texi: Document OpenMP directives and clauses.
3375 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3377 * varasm.c (globalize_decl): Fix indentation.
3379 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3382 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3383 pass_fre, pass_store_ccp, pass_copy_prop,
3384 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3385 pass_return_slot, pass_object_size, pass_lim,
3386 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3387 pass_loop_prefetch and pass_stdarg.
3389 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3391 * config/bfin/bfin.opt (mfdpic): New option.
3392 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3393 (EXTRA_MULTILIB_PARTS): Likewise.
3394 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3395 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3397 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3398 (CRT_CALL_STATIC_FUNCTION): New.
3399 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3401 (CRT_CALL_STATIC_FUNCTION): New.
3402 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3404 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3405 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3406 (initialize_trampoline): Changed to handle FD-PIC code generation.
3407 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3408 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3409 (override_options): Disallow -mid-shared-library -mfdpic combination.
3410 Can't do unaligned ops if FD-PIC.
3411 Turn off flag_pic if trying to generate non-id-shared-library
3412 non-fdpic code, since it's not supported.
3413 (bfin_assemble_integer): New function.
3414 (TARGET_ASM_INTEGER): Define.
3415 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3417 * config/bfin/crtn.s: Restore them.
3418 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3420 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3421 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3422 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3423 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3424 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3426 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3427 FDPIC_REGS and FDPIC_FPTR_REGS.
3428 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3429 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3430 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3431 (load_funcdescsi): New pattern.
3432 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3433 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3434 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3436 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3438 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3441 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3443 * tree-flow.h: Remove the prototype for add_type_alias.
3444 * tree-ssa-alias.c (add_type_alias): Remove.
3446 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3448 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3449 config/fr30/fr30.md, config/i386/i386-interix.h,
3450 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3451 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3452 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3453 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3454 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3455 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3456 Follow spelling conventions.
3457 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3458 Follow spelling conventions.
3460 2006-05-27 Richard Guenther <rguenther@suse.de>
3463 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3464 to produce a constant of value 1 of generic type.
3466 2006-05-27 Dirk Mueller <dmueller@suse.de>
3468 * cgraphunit.c (decide_is_function_needed): Fix wrong
3471 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3473 PR rtl-optimization/27661
3474 * reload.c (find_reloads): When reloading a VOIDmode constant
3475 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3476 use Pmode as mode of the reload register.
3478 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3480 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3481 is enabled at -O and above.
3483 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3486 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3489 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3492 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3493 for anonymous variables explicitly declared by front ends.
3495 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3497 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3498 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3499 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3500 ref-all pointers, run a finalization pass for them.
3501 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3502 (finalize_ref_all_pointers): New function.
3503 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3504 regular pointer type to a ref-all pointer type.
3505 (get_tmt_for): Return the special memory tag for ref-all pointers.
3507 2006-05-25 Richard Guenther <rguenther@suse.de>
3510 * fold-const.c (fold_binary): Do not look at the stripped
3511 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3513 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3515 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3516 for LT and GT if the computed range is effectively empty.
3518 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3521 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3522 mips_quad_format formats instead of ieee_single_format,
3523 ieee_double_format and ieee_quad_format formats, respectively.
3525 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3527 PR tree-optimization/27639
3528 PR tree-optimization/26719
3529 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3530 call to scev_probably_wraps_p.
3531 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3532 used_in_pointer_arithmetic_p, convert_step): Removed.
3533 (nowrap_type_p): New function.
3534 (scev_probably_wraps_p): Rewritten.
3535 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3536 chrec_convert if chrec_convert_aggressive might have been used.
3537 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3538 scev_direction): New functions.
3539 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3540 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3541 instead of convert_step.
3542 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3543 (convert_step): Declaration removed.
3544 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3546 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3548 * df-core.c: Added to header comments.
3549 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3550 df_ur_bb_info, df_urec_bb_info): Added comments.
3551 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3552 urec, ri problems): Fixed header comments.
3553 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3554 code from df_rd_transfer_function.
3556 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3558 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3559 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3560 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3562 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3564 * expr.c (undefined_operand_subword_p): New.
3565 (emit_move_multi_word): Do not generate move from undefined bits
3566 of a paradoxical subreg.
3568 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3570 PR rtl-optimization/27736
3571 * combine.c (replaced_rhs_value): New variable.
3572 (combine_instructions): Set it.
3573 (distribute_notes): When distributing a note in replaced_rhs_insn,
3574 check whether the value was used in replaced_rhs_value.
3576 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3579 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3580 add_referenced_var instead of add_referenced_tmp_var.
3581 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3582 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3584 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3585 tree_optimize_tail_calls_1): Use add_referenced_var.
3586 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3587 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3588 Use add_referenced_var.
3589 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3590 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3591 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3592 Use add_referenced_var.
3593 * tree-dfa.c (struct walk_state): Remove.
3594 (find_referenced_vars): Remove walk state and vars_found hash table.
3595 (make_rename_temp): Use add_referenced_var.
3596 (find_vars_r): Pass less parameters to add_referenced_var.
3597 (referenced_var_p): New. Is var in referenced_var hash table.
3598 (referenced_var_insert): Assert var isn't already in hash table.
3599 (add_referenced_var): Don't need walk_state parameter. Add var if it
3600 isn't already in the hash table.
3601 (add_referenced_tmp_var): Remove.
3602 (find_new_referenced_vars_1): Use add_referenced_var.
3603 * tree-ssa-pre.c (create_expression_by_pieces,
3604 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3605 Use add_referenced_var.
3606 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3607 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3608 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3610 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3611 vect_create_data_ref_ptr, vect_create_destination_var,
3612 vect_init_vector, vect_build_loop_niters,
3613 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3614 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3615 Use add_referenced_var.
3616 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3617 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3618 (add_referenced_var): Add prototype.
3619 * tree-ssa-structalias.c (get_constraint_for,
3620 intra_create_variable_infos): Use add_referenced_var.
3622 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3624 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3625 big-endian paradoxical subregs.
3626 * var-tracking.c (struct micro_operation_def): Document that,
3627 for modify micro operations, insn is the subsequent instruction.
3628 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3629 (var_reg_set, var_mem_set): ... new functions.
3630 (add_stores): Record subsequent insn.
3631 (compute_bb_dataflow): Use new functions for MO_USE.
3632 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3633 notes after the insn, and modify notes before the insn known
3634 to be the subsequent one.
3635 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3637 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3640 * config/i386/i386.c (ix86_expand_builtin): Use
3641 gen_sse3_monitor64 for TARGET_64BIT.
3643 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3645 PR rtl-optimization/26375
3646 PR rtl-optimization/26855
3647 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3649 (df_ru_bb_local_compute): Reversed statements and removed bogus
3650 comment explaining why they should be in wrong order.
3651 (df_ru_dump, df_rd_dump): Enhanced debug info.
3652 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3654 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3655 reaching uses and fixed space problem.
3657 2006-05-23 Jan Hubicka <jh@suse.cz>
3659 * cgraphunit.c (decide_is_function_needed): Also nested functions
3660 and functions declared inline can be optimized out at -O0.
3662 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3664 * doc/install.texi (Configuration): Remove reference to CrossGCC
3668 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3671 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3672 ix86_compare_emitted is non-NULL.
3674 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3677 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3680 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3682 PR rtl-optimization/25514
3683 * combine.c (replaced_rhs_insn): New variable.
3684 (combine_instructions): Set replaced_rhs_insn when trying to replace
3685 a SET_SRC with a REG_EQUAL note.
3686 (distribute_notes): Use replaced_rhs_insn when determining the live
3687 range of a REG_DEAD register.
3689 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3690 Anatoly Sokolov <aesok@post.ru>
3692 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3693 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3694 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3695 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3696 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3697 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3698 at90usb647, at90usb1286 and at90usb1287 devices.
3699 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3700 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3702 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3704 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3706 2006-05-22 Richard Guenther <rguenther@suse.de>
3709 2006-01-31 Richard Guenther <rguenther@suse.de>
3710 Paolo Bonzini <bonzini@gnu.org>
3712 * doc/install.texi (--disable-libgcc-math): Document.
3714 2006-05-22 Richard Guenther <rguenther@suse.de>
3717 2006-01-31 Richard Guenther <rguenther@suse.de>
3719 * doc/invoke.texi (-msselibm): Document.
3720 * target.h (expand_library_builtin): New target hook.
3721 * builtins.c (expand_builtin): Use expand_library_builtin.
3722 (default_expand_library_builtin): New function.
3723 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3724 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3725 (link_gcc_math_spec): Declare.
3726 (static_specs): Add link_gcc_math_spec.
3727 * expr.h (default_expand_library_builtin): Declare.
3728 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3729 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3730 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3731 * config/i386/i386.opt (msselibm): New target option.
3732 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3733 (ix86_init_sse_abi_builtins): New function.
3734 (ix86_expand_library_builtin): Likewise.
3735 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3736 (override_options): Handle error conditions wrt -msselibm.
3737 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3738 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3739 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3742 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3745 * c-common.c (self_promoting_args_p): Skip erroneous args.
3748 * c-decl.c (finish_struct): Skip erroneous fields.
3750 2006-05-22 Nick Clifton <nickc@redhat.com>
3752 * config/cris/cris.opt (march): Remove VarExists attribute.
3753 (max-stackframe=): Likewise.
3755 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3757 * doc/rtl.texi: Fix a typo.
3758 * see.c: Fix comment typos.
3760 * tree-ssa-structalias.h (alias_info): Remove num_references.
3762 2006-05-21 Mike Stump <mrs@apple.com>
3764 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3766 (darwin_pragma_options): Use BAD instead.
3767 (darwin_pragma_unused): Likewise.
3768 (darwin_pragma_ms_struct): Likewise.
3770 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3772 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3774 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3776 PR rtl-optimization/27671
3777 * simplify-rtx.c (simplify_relational_operation_1): Fix
3778 simplifications of (eq/ne (xor x y) y) and
3779 (eq/ne (xor x y) x).
3781 PR tree-optimization/26622.
3782 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3785 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3787 * tree-cfg.c: Prune whitespace.
3788 (debug_tree_cfg): Point to correct header containing the
3791 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3794 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3796 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3799 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3800 or sorry count is non zero.
3802 2006-05-20 Andreas Schwab <schwab@suse.de>
3804 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3806 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3807 Kenneth Zadeck <zadeck@naturalbridge.com>
3809 PR rtl-optimization/26855
3811 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3813 (df_scan_alloc): Added code to properly handle multiword hard
3814 registers and add all_blocks parameter.
3815 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3816 code to properly handle multiword hard registers.
3817 (df_rescan_blocks): Added code to remove deleted blocks from
3819 (df_ref_create_structure, df_ref_record): Added code to properly
3821 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3822 and set DF_REF_PARTIAL.
3823 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3824 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3825 (df_scan_add_problem): Added flags parameter.
3826 (df_ref_create_structure): Changed switching structure.
3827 (df_bb_refs_record): Fixed case where duplicate artificial refs
3828 were created. Changed location of flags.
3829 (df_record_entry_block_defs): Added code to make stack pointer
3830 live in entry block. Refined cases where frame pointer is needed.
3831 Changed location of flags.
3832 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3833 (df_set_state): Removed function.
3834 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3835 df_insn_create_insn_record, df_insn_refs_delete,
3836 df_ref_create_structure): Formatting changes.
3837 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3838 df_delete_basic_block): New function.
3839 (df_init): Changed location of flags.
3840 (df_add_problem): Added flags parameter and the way flags are
3842 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3843 debug_df_chain): Improved debugging output.
3844 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3845 (df_refs_chain_dump): Removed df parameter.
3846 (df_iterative_dataflow): Added consistency check.
3847 (df_prune_to_subcfg): Made public.
3848 (df_analyze_problem): Added blocks_to_init parameter and made
3850 (df_ref_record, df_bb_refs_record, df_mark_reg,
3851 df_record_exit_block_uses): Whitespace changes.
3852 (df_dump): Whitespace changes.
3853 * df.h: Some reordering to remove forward references.
3854 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3855 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3856 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3857 (dataflow.flags): New field.
3858 (df.flag): Deleted field.
3859 (df_alloc_function): Added additional bitmap parameter.
3860 (df_dependent_problem_function): New type.
3861 (df_problem.changeable_flags): New field.
3862 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3863 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3864 (df_mw_hardreg): New struct.
3865 (DF_INSN_UID_MWS): New macro.
3866 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3868 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3869 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3870 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3871 (df_set_state): Removed function.
3872 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3873 * df-problems.c (df_chain_dump): Removed df parameter.
3874 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3875 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3877 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3878 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3879 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3880 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3881 DF_REF_MUST_CLOBBER cases.
3882 (df_ru_bb_local_compute_process_def,
3883 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3884 df_lr_bb_local_compute, df_ur_bb_local_compute,
3885 df_chain_create_bb): Made subreg aware.
3886 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3887 df_lr_bb_local_compute, df_lr_bb_local_compute,
3888 df_chain_create_bb): Cleanup to use proper macros.
3889 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3890 code to fixup bitvectors.
3891 (df_ri_alloc): Cleared lifetime.
3892 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3893 df_create_unused_note): New function.
3894 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3895 REG_DEAD and REG_UNUSED notes as well as register information.
3896 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3897 df_chains_dump): Fixed crash if problem was never run.
3898 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3899 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3900 df_ri_add_problem): Processes flags in uniform manner.
3901 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3902 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3903 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3904 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3905 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3906 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3907 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3908 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3909 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3910 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3911 * see.c (see_initialize_data): Ditto.
3912 * final.c (rest_of_clean_state) Added regstack_completed.
3913 * rtl.h (regstack_completed): Ditto.
3914 * reg-stack.c (regstack_completed): Ditto.
3916 2006-05-19 Mike Stump <mrs@apple.com>
3918 * c-tree.h (default_conversion): Remove.
3919 * c-common.h (default_conversion): Add.
3921 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3923 * tree-vrp.c (valid_value_p): New function.
3924 (adjust_range_with_scev): Fail if the value of bound is not
3927 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3929 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3930 (mips_fallback_frame_state): Use syscall numbers to determine
3931 the appropriate li instruction for the current ABI. Only use
3932 __NR_sigreturn for o32.
3934 2006-05-19 Nicolas Setton <setton@adacore.com>
3936 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3937 * langhooks.c (lhd_dwarf_name): New function.
3938 * langhooks-def.h (lhd_dwarf_name): Declare.
3939 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3940 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3941 * ada/misc.c (gnat_dwarf_name): New function.
3942 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3944 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3946 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
3948 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
3949 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
3950 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
3951 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
3952 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
3953 determine the size of Wtype, etc.
3954 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
3955 (swfloatfuncs): New variable.
3956 (dwfloatfuncs): Likewise.
3957 (lib2funcs): Remove floating-point conversion functions from
3958 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
3959 the set of conversion routines needed. Allow entries to specify
3960 an object name, filename and word size. Update users accordingly.
3961 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
3962 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
3966 2006-02-08 Roger Sayle <roger@eyesopen.com>
3969 * config/fixtfdi.c: New libgcc source file.
3970 * config/fixunstfdi.c: New source file.
3971 * config/floatditf.c: New source file.
3972 * config/floatunditf.c: New souce file.
3973 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
3974 files above instead of config/mips/_tilib.c.
3975 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
3977 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3979 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
3980 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
3982 2006-05-18 Mike Stump <mrs@apple.com>
3984 Fix up vla, vm and [*] sematics.
3990 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
3991 (c_vla_unspec_p): Add.
3992 (c_vla_type_p): Add.
3993 * c-decl.c (struct c_scope): Add had_vla_unspec.
3994 (build_array_declarator): Add support for [*].
3995 (grokdeclarator): Likewise.
3996 (grokparms): Likewise.
3997 (get_parm_info): Likewise.
3998 * c-objc-common.c (c_vla_unspec_p): Likewise.
3999 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4000 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4001 typeof when argument is a variably modified type not inside sizeof or alignof.
4002 (c_parser_direct_declarator_inner): Propagate errors.
4003 (c_parser_sizeof_expression): Add support for [*].
4004 (c_parser_parms_declarator): Initialize had_vla_unspec.
4005 (c_parser_parms_list_declarator): Likewise.
4006 * c-typeck.c (c_vla_type_p): Add.
4007 (composite_type): Add support for vla compositing.
4008 (comptypes_internal): Add support for vla compatibility.
4009 (c_expr_sizeof_expr): Evaluate vla arguments.
4010 * tree.c (variably_modified_type_p): Update comment for [*].
4012 2006-05-18 Michael Matz <matz@suse.de>
4015 * config.host: Make assignments to host_xmake_file cumulative.
4016 * config.host (*-darwin*): Test $host, not $target.
4018 2006-05-12 Stuart Hastings <stuart@apple.com>
4020 * config/i386/i386.opt (-mstackrealign): New flag.
4021 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4022 (ix86_handle_cconv_attribute): Emit error when
4023 force_align_arg_pointer attribute collides with too many regparms.
4024 (ix86_function_regparm): Limit regparms when used with
4025 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4026 Support stack-realigning prologue in non-main functions. Emit
4027 warning for nested functions under -mstackrealign, emit error for
4028 nested functions with force_align_arg_pointer attribute.
4029 * doc/extend.texi (force_align_arg_pointer): Document it.
4030 * doc/invoke.texi (-mstackrealign): Document it.
4032 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4034 PR rtl-optimization/27477
4035 * combine.c (try_combine): Don't split a parallel consisting
4036 of two sets into two individual sets if both sets reference
4039 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4041 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4042 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4044 * doc/options.texi (VarExists): Updated.
4046 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4048 * unwind-dw2.c: Add declarations for uw_update_context and
4050 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4051 detected, advance frame state and context once to skip over stub.
4053 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4057 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4058 Call rewrite_into_loop_closed_ssa only when something changed.
4059 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4060 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4061 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4062 Test for perfect_nest_p here. Fix formating.
4063 (replace_uses_equiv_to_x_with_y): Fix formating.
4064 (stmt_uses_op): Removed.
4065 (can_convert_to_perfect_nest): Removed loopivs parameter.
4066 Complete the test by checking the scalar dependences.
4067 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4070 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4073 From Dan Kegel <dank@kegel.com>:
4074 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4076 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4078 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4079 if the element type is variably modified without recursing.
4081 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4084 * tree-loop-linear.c (try_interchange_loops): Test for
4085 no data dependences.
4087 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4089 PR tree-optimization/27548
4090 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4091 range of ssa names that appear on abnormal edges.
4092 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4093 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4095 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4098 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4100 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4103 * tree.h (OMP_PARALLEL_COMBINED): Define.
4104 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4105 (new_omp_context): Add is_combined_parallel argument.
4106 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4107 new_omp_context caller.
4108 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4109 Adjust gimplify_scan_omp_clauses callers.
4110 (omp_is_private): Issue errors if iteration variable is firstprivate
4111 or reduction in the current context.
4112 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4113 on combined parallel workshare constructs.
4115 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4117 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4118 (gcc-options.o): New rule.
4120 * optc-gen.awk: Protect variables for gcc-options.o with
4121 #ifdef GCC_DRIVER/#endif.
4123 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4125 Fix PR tree-optimization/27373
4126 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4127 (forward_propagate_addr_expr): Update call.
4129 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4131 * doc/options.texi: Move the Negative option.
4133 2006-05-16 Richard Guenther <rguenther@suse.de>
4135 PR tree-optimization/22303
4136 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4138 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4139 ccp_fold did not simplify the statement.
4141 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4144 * Makefile.in (GCC_OBJS): New.
4145 (OBJS-common): Add opts-common.o.
4146 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4147 (cpp$(exeext)): Likewise.
4148 (gcc.o): Also depend on opts.h.
4149 (opts-common.o): New.
4151 * common.opt (gcoff): Add Negative(gdwarf-2).
4152 (gdwarf-2): Add Negative(gstabs).
4153 (gstabs): Add Negative(gstabs+).
4154 (gstabs+): Add Negative(gvms).
4155 (gvms): Add Negative(gxcoff).
4156 (gxcoff): Add Negative(gxcoff+).
4157 (gxcoff+): Add Negative(gcoff).
4158 * config/i386/i386.opt (m32): Add Negative(m64).
4159 (m64): Add Negative(m32).
4161 * doc/options.texi: Document the Negative option.
4163 * gcc.c: Include "opts.h".
4164 (main): Call prune_options after expandargv.
4166 * optc-gen.awk: Generate common declarations for all flag
4167 variables in options.c. Output the neg_index field.
4169 * opts.c (find_opt): Moved to ...
4170 * opts-common.c: Here. New file.
4172 * opts.h (cl_option): Add a neg_index field.
4174 (prune_options): Likewise.
4176 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4179 * omp-low.c (expand_omp_parallel): Don't assert
4180 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4181 instead search for it.
4184 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4187 2006-05-16 Andreas Schwab <schwab@suse.de>
4189 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4192 2006-05-15 Roger Sayle <roger@eyesopen.com>
4195 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4196 integer constants other than zero are only legitimate on TARGET_64BIT.
4197 <CONST_VECTOR> Only zero vectors are legitimate.
4198 (ix86_cannot_force_const_mem): Integral and vector constants can
4199 always be put in the constant pool.
4201 2006-05-16 DJ Delorie <dj@redhat.com>
4203 * crtstuff.c (__dso_handle): Set section from
4204 TARGET_LBIGCC_SDATA_SECTION if defined.
4205 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4206 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4208 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4211 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4214 2006-05-16 Ben Elliston <bje@au.ibm.com>
4216 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4218 2006-05-15 Per Bothner <per@bothner.com>
4220 * tree.c: (last_annotated_node): Use source_locus typedef.
4221 This permits bootstrapping with --enable-mapped-location.
4223 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4225 PR tree-optimization/26830
4226 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4227 (info_for_ssa_name, current_info_for_ssa_name_age,
4228 blocks_to_update): New variables.
4229 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4230 (clear_ssa_name_info, initialize_flags_in_bb,
4231 mark_block_for_update): New functions.
4232 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4233 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4234 prepare_def_site_for): Use mark_block_for_update.
4235 (mark_def_interesting): Assert that the processed block is marked in
4236 blocks_to_update. Do not take blocks argument.
4237 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4239 (rewrite_update_init_block, rewrite_update_stmt): Only process
4240 blocks with statements to rewrite.
4241 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4242 (update_ssa): Initialize and free blocks_to_update. Do not
4243 clear flags on statements. Do not use blocks bitmap.
4244 * tree.h (SSA_NAME_AUX): Removed.
4245 (struct tree_ssa_name): Removed aux field.
4246 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4248 2006-05-15 Richard Guenther <rguenther@suse.de>
4250 PR tree-optimization/27603
4251 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4252 Do computations in original type.
4254 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4256 * see.c: Code style changes such as redundant paranthesis,
4257 redundant intialization of local variables etc.
4258 (see_main): Declared now as static.
4259 * doc/invoke.texi: Update that -fsee is not enabled by
4262 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4264 * omp-low.c (check_omp_nesting_restrictions): New function.
4265 (scan_omp_1): Call it.
4268 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4269 construct, return *VAR.
4271 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4273 PR rtl-optimization/27406
4274 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4277 2006-05-14 Roger Sayle <roger@eyesopen.com>
4279 PR rtl-optimization/27538
4280 * combine.c (expand_compound_operation): Call gen_lowpart
4281 before calling simplify_shift_const.
4283 2006-05-14 Roger Sayle <roger@eyesopen.com>
4285 PR rtl-optimization/22563
4286 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4287 a fixed width bitfield, always force the intermediates into psuedos.
4289 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4292 * mkconfig.sh: Use operator = instead of == for test.
4294 2006-05-13 Nick Clifton <nickc@redhat.com>
4296 * dwarf2out.c (dbx_reg_number): Check return value from
4297 LEAF_REG_REMAP and only use it if it is valid.
4298 (multiple_reg_loc_descriptor): Likewise.
4300 2006-05-13 Richard Guenther <rguenther@suse.de>
4302 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4305 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4307 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4308 information attached to non-INSNs such as NOTEs.
4309 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4311 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4313 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4315 * config/s390/s390.md: Adjust comment describing On constraint.
4317 2006-05-11 Jan Hubicka <jh@suse.cz>
4319 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4320 to be output at -O0.
4322 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4325 * fold-const.c (size_binop): Move sanity check for arguments to
4326 the beginning of the function.
4329 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4332 2006-05-11 Richard Guenther <rguenther@suse.de>
4335 * fold-const.c (fold_unary): Handle intermediate conversion
4336 to a pointer type like intermediate conversion to an integer
4337 type in folding of (T1)(T2)var to var.
4338 Match the code to the comment in the final conversion for
4339 (T1)(T2)var to (T1)var regarding to type precision. Rather
4340 than disallow T1 being of pointer type, assert that both T1
4341 and var are of pointer type or not. Make sure not to fall
4342 over the frontends lazyness wrt array to pointer decay though.
4344 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4346 * arm.c (arm_struct_value_rtx): Delete.
4347 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4348 (arm_init_cumulative_args): Always initialize nregs to zero.
4350 2006-05-10 Richard Guenther <rguenther@suse.de>
4352 PR tree-optimization/27532
4353 * tree-object-size.c (plus_expr_object_size): Fix typo.
4355 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4358 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4359 ashrdi_const, ashrdi3): Use a scratch register.
4361 2006-05-10 Richard Guenther <rguenther@suse.de>
4363 PR tree-optimization/27302
4364 * fold-const.c (operand_equal_p): For two comparisons,
4365 try comparison of one comparison code swapped if that yields
4368 2006-05-10 Ben Elliston <bje@au.ibm.com>
4370 * tree-pretty-print.c (pretty_print_string): No need to handle
4371 '\0' as a special character.
4373 * tree.h: Include "hashtab.h".
4374 (iterative_hash_expr): Use hashval_t in its prototype.
4375 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4377 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4380 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4381 (hppa*64*-*-hpux11*): Ditto.
4382 (hppa[12]*-*-hpux11*): Ditto.
4384 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4387 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4389 2006-05-09 Michael Matz <matz@suse.de>
4391 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4392 host_extra_gcc_objs and host_xmake_file.
4393 (<*-*-linux*>): Don't overwrite host_xmake_file.
4394 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4395 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4396 (host_detect_local_cpu): Declare.
4397 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4398 * config/i386/i386.c (override_options): Handle -mtune=native
4400 * config/i386/x-i386: New file.
4401 * config/i386/driver-i386.c: New file.
4402 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4405 2006-05-09 Dirk Mueller <dmueller@suse.de>
4406 Richard Guenther <rguenther@suse.de>
4409 * fold-const.c (fold_read_from_constant_string): Relax check
4410 for matching types to matching modes.
4412 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4414 PR rtl-optimization/27335
4415 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4418 2006-05-08 Chao-ying Fu <fu@mips.com>
4419 Richard Sandiford <richard@codesourcery.com>
4421 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4422 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4423 * config/mips/mips.md (UNSPEC_SCC): New constant.
4424 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4425 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4426 (mips_emit_compare): Use it.
4427 (mips_expand_vcondv2sf): New function.
4429 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4431 Fix PR tree-optimization/27093
4432 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4433 renaming when they become not-used_alone.
4435 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4437 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4438 relocation and relocation stubs.
4440 2006-05-08 Eric Christopher <echristo@apple.com>
4442 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4445 2006-05-08 Jan Hubicka <jh@suse.cz>
4448 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4449 unused static functions are needed.
4451 2006-05-08 Roger Sayle <roger@eyesopen.com>
4454 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4455 of a reg_equiv_constant if the result is a legitimate constant.
4457 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4460 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4461 standard 80387 constants, raise the cost to prevent
4462 compress_float_constant() to generate load from memory.
4464 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4466 * config/arm/constraints.md (c): Fix a typo.
4468 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4471 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4474 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4476 (_mm_mwait): Likewise.
4478 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4480 (sse3_monitor): Make it 32bit only.
4481 (sse3_monitor64): New. 64bit monitor.
4483 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4486 * config/i386/i386.c (classify_argument): Skip fields with invalid
4489 2006-05-07 Richard Guenther <rguenther@suse.de>
4491 PR tree-optimization/27409
4492 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4493 Do not try to find zero-sized subvars.
4495 2006-05-07 Richard Guenther <rguenther@suse.de>
4497 PR tree-optimization/27136
4498 * tree-ssa-loop-niter.c (get_val_for): Correct function
4499 comment, assert requirements.
4500 (loop_niter_by_eval): Stop processing if the iterated
4501 value did not simplify.
4503 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4505 * opts.c (flag_see): remove its setting at -O3.
4507 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4509 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4510 * arm/constraints.md: New file.
4511 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4512 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4513 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4514 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4515 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4516 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4517 * arm.md: Include constraints.md.
4518 (thumb_movsi_insn): Use satisfies_constraint_J.
4519 (movhi, movqi): Use satisfies_constraint_I.
4521 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4523 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4524 for atmeg a645 device.
4526 2006-05-06 Richard Guenther <rguenther@suse.de>
4528 PR tree-optimization/27151
4529 * tree-vect-transform.c (vectorizable_condition): Punt on
4530 values that have a different type than the condition.
4532 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4535 * c-parser.c (c_parser_cast_expression): Only insert casts into
4536 hash table if pointer.
4537 * function.c (used_types_insert_helper): Rename from
4539 (used_types_insert): Call used_types_insert_helper.
4540 * function.h (used_types_insert): Accept only one argument.
4542 2006-05-05 David Edelsohn <edesohn@gnu.org>
4544 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4545 scratch with output modifier.
4547 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4550 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4551 with output modifier.
4553 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4556 * config/mips/mips.c (mips_symbolic_address_p): Return true
4557 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4558 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4560 2006-05-04 Richard Guenther <rguenther@suse.de>
4562 PR tree-optimization/14287
4563 PR tree-optimization/14844
4564 PR tree-optimization/19792
4565 PR tree-optimization/21608
4566 PR tree-optimization/27090
4567 * tree-ssa-pre.c (try_combine_conversion): New function.
4568 (compute_avail): After constructing the value-handle
4569 expression, use try_combine_conversion to combine NOP_EXPRs
4570 with previous value-handle expressions and use the result if it
4573 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4575 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4577 2006-05-04 Jan Hubicka <jh@suse.cz>
4580 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4582 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4584 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4585 that this only matches CONST_INTs. All users changed to VOIDmode
4588 * config/bfin/bfin.c: Include "optabs.h".
4589 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4591 (enum bfin_builtins): Add a number of fractional and vector builtins.
4592 (bfin_init_builtins): Likewise.
4593 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4594 (safe_vector_operand, bfin_expand_binop_builtin,
4595 bfin_expand_unop_builtin): New functions.
4596 (bfin_expand_builtin): Handle the new builtins.
4597 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4600 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4603 * Makefile.in (OBJS-common): Add see.o.
4604 (see.o): Add dependencies.
4605 * common.opt (fsee): New flag for the see optimization was added.
4606 * opts.c (flag_see): Initialized.
4607 * passes.c (init_optimization_passes, pass_see): New pass.
4608 * rtl.h (see_main): Declaration as extern.
4609 * timevar.def (TV_SEE): New.
4610 * tree-pass.h (pass_see): Declaration as extern.
4611 * invoke.texi (-fsee): Document.
4612 * recog.c (validate_simplify_insn): New function.
4613 * recog.h (validate_simplify_insn): Declaration as extern.
4614 * df-problems.c (df_chain_dump): Check for NULL.
4616 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4617 Daniel Berlin <dberlin@dberlin.org>
4619 * cfgrtl.c (insert_insn_bb_end_new): New function.
4620 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4622 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4624 * df.h (struct web_entry): Moved from web.c.
4625 (union_defs): Declaration as extern.
4626 (unionfind_root): Likewise.
4627 (unionfind_union): Likewise.
4628 * web.c (struct web_entry): Moved to df.h.
4629 (unionfind_root): Remove static declaration.
4630 (unionfind_union): Likewise.
4631 (union_defs): Likewise and generalize to use callback function.
4632 (web_main): Update arguments for union_defs function call.
4634 2006-05-04 Richard Guenther <rguenther@suse.de>
4636 PR tree-optimization/26447
4637 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4638 produce SSA_NAME copies before the store stmt to avoid
4639 breaking exception handling.
4641 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4644 * gimplify.c (omp_is_private): If var is shared in some outer context,
4645 return false instead of true. Stop searching on parallel context
4648 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4651 * coverage.c: Use get_gcov_unsigned_t() instead of
4652 unsigned_type_node all over.
4654 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4656 PR tree-optimization/27381
4657 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4658 maintain the same immediate_use links.
4659 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4660 node rather than segfaulting.
4662 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4665 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4666 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4667 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4669 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4671 Fix PR tree-optimization/26626
4672 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4674 * tree-ssa-operands.c (access_can_touch_variable): Allow
4675 typecasting through union pointers.
4677 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4680 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4681 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4682 to find if var will be a global variable even in the nested context.
4683 (omp_copy_decl): Only check for global variable at the end, it might
4684 be overridden in outer contexts.
4685 (scan_sharing_clauses): For global variables don't create a field.
4686 (lower_rec_input_clauses): Do nothing for global shared variables.
4687 Emit a barrier at the end of ILIST if there were any decls in both
4688 firstprivate and lastprivate clauses.
4689 (lower_send_clauses): Do nothing for global variables except for
4692 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4694 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4695 of the correct signedness is returned.
4697 2006-05-02 Jeff Law <law@redhat.com>
4699 PR tree-optimization/27364
4700 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4701 multiply expressions.
4703 2006-05-02 Tom Tromey <tromey@redhat.com>
4705 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4707 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4710 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4711 -mthumb -fPIC are used.
4713 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4714 Joshua Kinard <kumba@gentoo.org>
4717 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4718 with 64-bit pointers.
4720 2006-05-02 Paul Brook <paul@codesourcery.com>
4722 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4724 (create_fix_barrier): Check that a suitable barrier location is
4726 (arm_reorg): Include ftmp->address in allowable range of addresses.
4728 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4731 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4734 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4737 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4738 around RESULT_DECL for result passed by reference.
4739 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4740 * omp-low.c (use_pointer_for_field): Don't look at
4741 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4742 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4743 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4744 time or var for passing by reference for
4745 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4746 TREE_ADDRESSABLE variables when passing by reference.
4748 * omp-low.c (dump_omp_region): Fix output formatting.
4751 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4752 (expand_omp_parallel): Likewise.
4753 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4756 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4757 on statement list containing also constructors and destructors.
4758 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4761 * except.c (duplicate_eh_regions): Fix clearing of
4762 cfun->eh->region_array entries.
4764 2006-05-01 DJ Delorie <dj@redhat.com>
4766 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4768 (gcc_cv_objdump): Likewise.
4769 * configure: Regenerated.
4771 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4774 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4775 templates for case 3 and 4.
4777 2006-05-01 DJ Delorie <dj@redhat.com>
4779 * vec.c: Include bconfig.h when appropriate.
4780 * Makefile.in (build/vec.o): Adjust dependencies.
4781 * mkconfig.sh: Make sure config.h isn't used for build machine
4784 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4786 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4788 (mark_phi_for_rewrite): New function.
4789 (insert_phi_nodes_for, mark_use_interesting): Call
4790 mark_phi_for_rewrite.
4791 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4792 (update_ssa): Initialize and free phis_to_rewrite.
4794 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4796 PR rtl-optimization/27291
4797 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4798 folded to a constant.
4800 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4802 PR tree-optimization/27283
4803 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4804 not whole # of iteration descriptions.
4805 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4806 uses abnormal ssa name.
4807 (niter_for_single_dom_exit): Ditto.
4808 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4809 return just the number of iterations.
4811 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4813 PR tree-optimization/27144
4814 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4815 (record_estimate): Only record constant upper bound.
4816 (infer_loop_bounds_from_undefined): Call
4817 compute_estimated_nb_iterations just once.
4818 (proved_non_wrapping_p): Renamed to ...
4819 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4820 (convert_step_widening, scev_probably_wraps_p): Call
4821 n_of_executions_at_most instead of proved_non_wrapping_p.
4822 (substitute_in_loop_info): Do not replace values in bounds.
4823 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4826 2006-05-01 Richard Henderson <rth@redhat.com>
4829 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4830 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4833 2006-05-01 Roger Sayle <roger@eyesopen.com>
4835 * c-typeck.c (parser_build_binary_op): Don't call the function
4836 unsigned_conversion_warning to spot operand/result type overflow.
4837 (build_binary_op): Instead, call convert_and_check instead of
4838 convert to report the problem when the operands are promoted.
4839 * c-common.c (unsigned_conversion_warning): Make static.
4840 * c-common.h (unsigned_conversion_warning): Delete prototype.
4842 2006-05-01 Richard Guenther <rguenther@suse.de>
4844 PR tree-optimization/26726
4845 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4847 (find_interesting_uses_address): ... we work around here
4848 by folding INDIRECT_REFs in the substituted base.
4850 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4852 * omp-low.c (dump_omp_region): Add newlines.
4854 2006-04-30 Roger Sayle <roger@eyesopen.com>
4856 * common.opt (Woverflow): New command line option.
4857 * c-common.c (constant_expression_warning): Check warn_overflow.
4858 (overflow_waring): Pass OPT_Woverflow to warning.
4859 (unsigned_conversion_warning): Likewise.
4860 (convert_and_check): Likewise.
4861 * doc/invoke.texi: Document new command line option.
4863 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4865 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4866 TARGET_NO_FP_IN_TOC for section anchors.
4867 (optimization_options): Enable section anchors for all
4868 non-"Objective" languages.
4870 2006-04-28 Eric Christopher <echristo@apple.com>
4872 * config/darwin-c.c (darwin_ms_struct): Move this
4873 (darwin_set_default_type_attributes): and this...
4874 * config/darwin.c: ... here.
4875 * config/darwin.h (darwin_ms_struct): Declare.
4877 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4879 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4881 2006-04-28 Roger Sayle <roger@eyesopen.com>
4884 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4885 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4886 an unsigned HOST_WIDE_INT.
4887 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4889 (really_start_incremental_init): No need to call convert because
4890 bitsize_zero_node is already of type bitsizetype.
4891 (push_init_level): Extract the value of constructor_index as an
4892 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4893 (process_init_element): Likewise.
4895 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4897 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4898 value before passing to make_relative_prefix.
4900 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4903 * builtins.c (expand_builtin_memset): Expand val in original mode.
4905 2006-04-27 Eric Christopher <echristo@apple.com>
4907 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4908 with #ifndef/#endif.
4909 * config/darwin-c.c (darwin_ms_struct): New.
4910 (darwin_pragma_ms_struct): Ditto.
4911 (darwin_set_default_type_attributes): Ditto.
4912 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4913 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4914 Register ms_struct pragma.
4915 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4916 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4917 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4918 darwin_set_default_type_attributes if TARGET_MACHO.
4920 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4922 PR tree-optimization/26854
4923 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4924 * doc/tree-ssa.texi: Update immuse iterator documentation.
4925 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4926 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4927 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4928 first_safe_imm_use, next_safe_imm_use): Remove.
4929 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4930 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4931 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4932 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4933 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4934 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4935 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4936 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4937 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4938 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4939 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4940 (perfect_nestify): Use new iterator.
4941 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4943 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4944 (next_imm_name): New field in struct immediate_use_iterator_d.
4945 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
4946 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
4947 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
4948 * tree-cfg.c (replace_uses_by): Use new iterator.
4949 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
4950 * tree-ssa-operands.c (correct_use_link): Remove.
4951 (finalize_ssa_use_ops): No longer call correct_use_link.
4953 2006-04-27 Stuart Hastings <stuart@apple.com>
4955 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
4956 * config/t-darwin (crt3.o): Use it.
4957 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
4958 'pmode', use Pmode instead of SImode for SYMBOL_REF.
4959 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
4960 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
4961 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
4964 2006-04-27 Roger Sayle <roger@eyesopen.com>
4966 * expmed.c (store_fixed_bit_field): If we're not optimizing for
4967 size, force the intermediate into a new pseudo rather instead of
4968 performing both a bitwise AND and a bitwise IOR in memory.
4970 2006-04-27 Richard Guenther <rguenther@suse.de>
4972 PR rtl-optimization/26685
4973 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
4974 this one "max-flow-memory-locations".
4976 2006-04-27 Richard Guenther <rguenther@suse.de>
4978 PR tree-optimization/25148
4979 * tree-vrp.c (compare_values): Remove code dealing with
4980 comparisons against type min/max value. Honour overflow
4981 and negative constants in code dealing with comparisons
4982 of plus and minus expressions.
4983 (value_inside_range): Use fold_binary with LE_EXPR and
4984 GE_EXPR rather than compare_values.
4986 2006-04-27 Dirk Mueller <dmueller@suse.de>
4988 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
4991 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
4993 * basic-block.h (safe_insert_insn_on_edge): Removed.
4994 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
4996 2006-04-26 David Edelsohn <edelsohn@gnu.org>
4997 Paolo Bonzini <bonzini@gnu.org>
5000 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5001 (simplify_and_const_int): Same.
5003 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5005 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5007 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5010 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5011 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5012 cgraph_global_info_ready.
5015 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5018 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5019 either decl or init is error_mark_node.
5022 * tree-flow.h (struct omp_region): Add sched_kind.
5023 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5024 instead of extracting omp for data.
5025 (expand_omp_for): Save extracted sched_kind.
5027 2006-04-25 Roger Sayle <roger@eyesopen.com>
5029 * expmed.c (store_bit_field): Also check whether the bitsize is
5030 valid for the machine's "insv" instruction before moving the
5031 target into a pseudo for use with the insv.
5032 * config/i386/predicates.md (const8_operand): New predicate.
5033 * config/i386/i386.md (extv, extzv, insv): Use the new
5034 const8_operand predicate where appropriate.
5036 2006-04-25 DJ Delorie <dj@redhat.com>
5038 * doc/install.texi (Specific): Clarify that this is not a list of
5039 supported hosts or targets.
5041 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5043 PR rtl-optimization/26725
5044 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5045 block's BB_DIRTY flag.
5047 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5049 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5052 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5053 to print an integer.
5055 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5057 * varasm.c (align_variable): New function.
5058 (get_block_for_decl): Apply align_variable to DECL before
5059 calculating section information.
5060 (assemble_variable): Split out alignment computation.
5062 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5064 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5067 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5069 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5070 MODE_PARTIAL_INT mode.
5071 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5072 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5074 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5075 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5077 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5079 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5081 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5082 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5083 MACFLAG_IH): Likewise.
5084 (movstricthi_1): Renamed from "*movstricthi".
5085 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5086 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5087 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5088 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5089 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5090 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5091 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5092 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5093 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5094 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5095 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5096 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5097 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5098 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5099 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5101 * doc/rtl.texi (ss_ashift): Improve wording.
5103 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5105 * dwarf2out.c (verify_marks_clear): New.
5106 (prune_unused_types): Call verify_marks_clear initially, not
5109 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5111 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5112 * doc/rtl.texi: Document them.
5113 * simplify-rtx.c (simplify_unary_operation,
5114 simplify_binary_operation_1): Don't abort when we see them.
5116 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5119 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5120 * configure.ac: Completely disregard languages that are not
5122 * configure: Regenerated.
5124 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5125 Richard Guenther <rguenther@suse.de>
5127 PR tree-optimization/27236
5128 * tree-inline.c (copy_body_r): Make sure to copy
5129 TREE_THIS_VOLATILE flag.
5131 2006-04-24 Richard Guenther <rguenther@suse.de>
5134 * tree-complex.c (update_parameter_components): Don't handle
5135 unused parameters which have no default def.
5137 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5138 Richard Guenther <rguenther@suse.de>
5140 PR tree-optimization/27218
5141 * tree-inline.c (expand_call_inline): Strip useless type
5142 conversions for the return slot address.
5144 2006-04-24 Richard Guenther <rguenther@suse.de>
5146 * cfgloop.h (struct loops): Remove unused field array. Reorder
5148 (LOOP_PREFETCH): Remove.
5150 2006-04-24 Richard Guenther <rguenther@suse.de>
5152 PR tree-optimization/22525
5153 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5154 variable, adjust types of generated expressions.
5156 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5158 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5159 (tree-vect-patterns.o): Likewise.
5161 (cselib.o): Likewise.
5162 (loop-doloop.o): Likewise.
5163 (regclass.o): Likewise.
5164 (reload1.o): Likewise.
5165 (explow.o): Replace target.h with $(TARGET_H).
5166 (ipa-prop.o): Likewise.
5167 (ipa-cp.o): Likewise.
5168 (ipa-inline.o): Likewise.
5169 (reorg.o): Likewise.
5170 (reg-stack.o): Likewise.
5172 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5174 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5176 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5178 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5180 * configure.ac: Completely disregard languages that are not
5182 * configure: Regenerated.
5185 * c-common.h (c_build_bitfield_integer_type): Declare.
5186 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5187 * c-common.c (c_build_bitfield_integer_type): ... here.
5189 2006-04-23 Roger Sayle <roger@eyesopen.com>
5192 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5193 a SImode SUBREG of a floating point register after no_new_pseudos.
5195 2006-04-23 Roger Sayle <roger@eyesopen.com>
5197 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5198 identify potentially eliminable registers to additionally catch
5199 VIRTUAL_INCOMING_ARGS_REGNUM.
5200 (addsi3): Update the conditions on when to use addsi_small_int.
5202 2006-04-23 Roger Sayle <roger@eyesopen.com>
5205 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5206 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5207 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5209 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5211 * fold-const.c (range_predecessor): Use operand_equal_p
5212 as the predicate for equality.
5213 (range_successor): Likewise.
5215 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5218 * config/soft-fp/op-common.h: Fix a typo.
5220 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5223 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5224 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5226 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5228 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5230 * doc/tm.texi: Fix a typo.
5232 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5234 * dwarf2out.c (struct die_struct): Document that die_sib makes
5235 a circular linked list.
5236 (FOR_EACH_CHILD): New.
5237 (reverse_die_lists): Delete.
5238 (reverse_all_dies): Delete.
5239 (add_dwarf_attr): Correct documentation.
5240 (remove_child_with_prev): New.
5241 (remove_child_TAG): Update for change to die_struct, use
5242 remove_child_with_prev.
5243 (add_child_die): Update for change to die_struct.
5244 (splice_child_die): Use remove_child_with_prev and add_child_die.
5245 (print_die): Use FOR_EACH_CHILD.
5246 (die_checksum): Likewise.
5247 (assign_symbol_names): Likewise.
5248 (output_location_lists): Likewise.
5249 (build_abbrev_table): Likewise.
5250 (calc_die_sizes): Likewise.
5251 (mark_dies): Likewise.
5252 (unmark_dies): Likewise.
5253 (unmark_all_dies): Likewise.
5254 (output_die): Likewise.
5255 (prune_unused_types_mark): Likewise.
5256 (prune_unused_types_walk): Likewise.
5257 (same_die_p): Update for change to die_struct.
5258 (break_out_includes): Likewise.
5259 (prune_unused_types_prune): Likewise.
5260 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5261 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5263 (dwarf2out_finish): Don't call reverse_all_dies.
5265 2006-04-21 Eric Christopher <echristo@apple.com>
5267 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5268 in comments and function names.
5270 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5273 * c-typeck.c (digest_init): Robustify.
5275 * c-typeck.c (pop_init_level): Simplify.
5277 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5279 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5281 2006-04-21 Paul Brook <paul@codesourcery.com>
5283 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5284 hardware floating point.
5286 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5288 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5291 2006-04-21 Nick Clifton <nickc@redhat.com>
5293 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5296 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5299 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5300 C++ lang type in traceback table for Objective-C++.
5302 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5304 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5306 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5308 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5311 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5312 were errors. Remove check for erroneous objects.
5314 2006-04-20 Jeff Law <law@redhat.com>
5316 PR tree-optimization/26854
5317 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5318 checking for zero or one use.
5319 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5320 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5321 * tree-ssa-reassoc.c (negate_value): Similarly.
5322 (reassociate_bb): Similarly.
5324 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5326 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5327 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5328 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5330 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5332 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5333 fp regs if the last fp arg doesn't fit in regs.
5335 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5338 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5339 that the last insn has the REG_INC note.
5341 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5342 Nathan Sidwell <nathan@codesourcery.com>
5345 * stor-layout.c (update_alignment_for_field): Do not align
5347 (place_union_field): Place union field at the start of the union.
5348 (place_field): Move ERROR_MARK check later, and use the current
5349 allocation position to maintain monotonicity.
5351 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5353 * dominance.c: Include timevar.h.
5354 (calculate_dominance_info): Use TV_DOMINANCE.
5355 * timevar.def (TV_DOMINANCE): New timevar.
5356 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5358 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5360 PR rtl-optimization/14261
5361 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5362 move would be an INSV insn.
5363 (noce_process_if_block): Don't optimize if the destination is a
5364 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5366 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5368 * config/s390/s390.md: Add comments with the instructions emitted
5369 by an insn pattern if macros are used.
5371 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5373 PR rtl-optimization/26026
5374 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5375 is a known power of two shifted left a variable amount.
5377 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5379 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5380 to hash table twice when the debug_str section has SECTION_MERGE.
5382 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5384 * config/soft-fp: New directory. From glibc.
5385 * config/soft-fp/t-softfp: New.
5386 * config/soft-fp/README: New.
5387 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5388 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5389 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5390 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5391 * config.gcc: Use rs6000/t-fprules-fpbit or
5392 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5394 * config/rs6000/sfp-machine.h: New. Based on glibc.
5395 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5397 * config/rs6000/t-fprules: Remove fp-bit rules.
5398 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5399 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5400 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5401 (softfp_wrap_start, softfp_wrap_end): New.
5403 2006-04-18 DJ Delorie <dj@redhat.com>
5405 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5407 2006-04-18 Devang Patel <dpatel@apple.com>
5409 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5411 2006-04-18 Nick Clifton <nickc@redhat.com>
5413 * config/sh/t-symbian: Add rule to build sh-c.o
5414 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5415 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5416 (sh_symbian_encode_section_info): Likewise.
5418 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5420 * builtins.c (expand_builtin_strcmp): Cover label definition of
5421 do_libcall with HAVE_cmpstrnsi.
5423 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5425 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5427 * function.h (temp_slot_p): New.
5428 (function): Change the type of x_used_temp_slots to
5429 VEC(temp_slot_p,gc) *.
5431 2006-04-18 Nick Clifton <nickc@redhat.com>
5433 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5434 flag_strength_reduce.
5436 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5438 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5442 Partial revert of revision 112637
5443 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5444 Dale Johannesen <dalej@apple.com>
5447 * regclass.c (struct reg_pref): Update documentation.
5448 (regclass): Set prefclass to NO_REGS if memory is the best option.
5449 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5451 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5453 PR tree-optimization/26821
5454 * tree-ssa-math-opts.c (get_constant_one): New.
5455 (insert_reciprocals): Use it.
5457 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5459 * dwarf2out.c (free_AT): Delete.
5460 (remove_AT): Update string ref counts.
5461 (remove_child_TAG): Don't call free_die.
5463 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5464 or DW_TAG_GNU_EINCL.
5465 (prune_unused_types_walk_attribs): Reset string refcounts.
5466 (prune_unused_types_update_strings): New.
5467 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5468 call free_die. Do call prune_unused_types_update_strings.
5469 (prune_unused_types): Empty debug_str_hash.
5471 2006-04-17 Roger Sayle <roger@eyesopen.com>
5473 * expr.c (expand_assignment): Optimize away no-op moves where the
5474 source and destination are equal and have no side-effects.
5476 2006-04-17 Richard Guenther <rguenther@suse.de>
5479 * reload.c (push_reload): Guard calls to get_secondary_mem
5482 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5484 * alias.c (reg_base_value, old_reg_base_value): Change the
5485 type to VEC(rtx,gc) *.
5486 (REG_BASE_VALUE, find_base_value, record_set,
5487 init_alias_analysis): Use VEC instead of VARRAY.
5489 * alias.c (alias_sets): Change the type to
5490 VEC(alias_set_entry,gc) *.
5491 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5492 VEC instead of VARRAY.
5493 (last_alias_set): Remove.
5495 * cgraph.h (cgraph_edge_p): New.
5496 Update the prototype of cgraph_function_versioning.
5497 * cgraphunit.c (cgraph_copy_node_for_versioning,
5498 cgraph_function_versioning): Use VEC instead of VARRAY.
5499 * ipa-cp.c (ipcp_insert_stage): Likewise.
5501 2006-04-16 Roger Sayle <roger@eyesopen.com>
5504 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5505 "A op B" or "A op C", we may need to convert A to the type of B and C.
5507 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5509 * target.h (struct gcc_target): Add mode_rep_extended.
5510 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5511 (init_num_sign_bit_copies_in_rep): Initialize it using
5513 (truncate_to_mode): Use it.
5514 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5515 * targhooks.h (default_mode_rep_extended): Declare it.
5516 * targhooks.c (default_mode_rep_extended): Define it.
5517 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5518 default_mode_rep_extended.
5519 (TARGET_INITIALIZER): Include it.
5520 * doc/tm.texi (Misc): Document it.
5521 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5522 (mips_truncated_to_mode): New function.
5524 2006-04-16 Roger Sayle <roger@eyesopen.com>
5527 * expr.c (compress_float_constant): Copy the narrow constant into
5528 a new pseudo before extending it to its final width.
5530 2006-04-16 Roger Sayle <roger@eyesopen.com>
5531 Andrew Pinski <pinskia@gcc.gnu.org>
5532 Dale Johannesen <dalej@apple.com>
5535 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5536 special case code to implement V8HImode and V16QImode with SSE2.
5538 2006-04-15 Roger Sayle <roger@eyesopen.com>
5540 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5541 trees are constructed with a suitable tree type.
5543 2006-04-15 Roger Sayle <roger@eyesopen.com>
5545 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5546 (integer_onep): Likewise.
5547 (integer_all_onesp): Likewise.
5548 (integer_pow2p): Likewise.
5549 (integer_nonzerop): Likewise.
5550 (real_zerop): Likewise.
5551 (real_onep): Likewise.
5552 (real_twop): Likewise.
5553 (real_minus_onep): Likewise.
5554 (int_size_in_bytes): Likewise.
5555 (host_integerp): Likewise.
5557 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5559 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5560 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5561 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5563 * tree-ssa-structalias.h (alias_info): Remove num_references.
5565 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5567 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5568 (output_bvb patterns): Likewise.
5569 * pa.c (output_bb): Use 'bb' insn for long branch case.
5570 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5571 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5572 1. Correct length operand for alternatives 1 and 2.
5573 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5574 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5576 2006-04-14 Roger Sayle <roger@eyesopen.com>
5578 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5579 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5580 were accidentally reverted by r112959.
5582 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5585 * except.h (eh_region_outermost): New prototype.
5586 * except.c (eh_region_outermost): New function.
5587 * tree-cfg.c (find_outermost_region_in_block): Use it.
5589 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5591 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5593 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5594 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5595 (init_reload, reload): Use VEC instead of VARRAY.
5596 * reload.h: Update the prototype for
5597 reg_equiv_memory_loc_varray.
5599 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5600 Eric Botcazou <ebotcazou@libertysurf.fr>
5602 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5605 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5608 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5609 to expand fallback builtin function call.
5611 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5614 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5615 and emit libcall here in case the builtin fails.
5616 (expand_builtin_strcmp): Always emit the libcall here on failure.
5618 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5620 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5621 * flow.c (reg_n_info): Change the type to
5622 VEC(reg_info_p,heap) *.
5623 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5625 * regs.h (reg_info_p): New.
5626 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5627 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5628 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5631 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5633 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5635 * params.h (MAX_SCHED_READY_INSNS): New macro.
5636 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5637 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5638 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5639 the ready list for 1 cycle during the first scheduling pass.
5640 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5642 2006-04-13 Richard Henderson <rth@redhat.com>
5645 * gimple-low.c (lower_omp_directive): Remove dead code.
5646 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5647 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5648 * omp-low.c (struct omp_region): Move to tree-flow.h.
5649 (root_omp_region): Export.
5650 (omp_regions, lookup_omp_region): Remove.
5651 (determine_parallel_type): Update for struct omp_region changes.
5652 (dump_omp_region): Dump regions with block numbers.
5653 (new_omp_region): Take type and block instead of stmt; malloc
5655 (free_omp_region_1, free_omp_regions): New.
5656 (expand_parallel_call): Take entry_stmt as argument; update for
5657 changes to omp_region.
5658 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5659 (remove_exit_barriers): New.
5660 (expand_omp_parallel): Update for struct omp_region changes.
5661 (expand_omp_synch): Likewise.
5662 (expand_omp): Likewise.
5663 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5664 (expand_omp_for_static_chunk): Likewise.
5665 (expand_omp_for): Likewise.
5666 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5667 (expand_omp_sections): Similarly, with GOMP_sections_end.
5668 (expand_omp_single): New.
5669 (build_omp_regions_1): Update for OMP_CONTINUE.
5670 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5671 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5672 OMP_SECTIONS_SECTIONS.
5673 (lower_omp_single_simple): Don't emit barrier here.
5674 (lower_omp_single_copy): Likewise.
5675 (lower_omp_single): Fix bindings, and lower to straightline now.
5676 (lower_omp_master, lower_omp_ordered): Likewise.
5677 (lower_omp_critical): Likewise.
5678 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5679 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5680 omp edges, free it afterward.
5681 (make_omp_sections_edges): Remove.
5682 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5683 (move_stmt_r): Handle OMP_CONTINUE.
5684 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5685 statement pointers to basic blocks. Add type member.
5686 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5687 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5688 * tree-inline.c (estimate_num_insns_1): Likewise.
5689 * tree-pretty-print.c (dump_generic_node): Likewise.
5690 * tree-ssa-operands.c (get_expr_operands): Likewise.
5691 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5692 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5693 (OMP_CONTINUE): New.
5694 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5695 (OMP_SECTIONS_SECTIONS): Remove.
5696 (OMP_SECTION_LAST): New.
5697 (OMP_RETURN_NOWAIT): New.
5699 2006-04-13 Roger Sayle <roger@eyesopen.com>
5701 * fold-const.c (native_encode_vector, native_interpret_real):
5702 Correct obvious mistakes in the previous check-in.
5704 2006-04-13 Roger Sayle <roger@eyesopen.com>
5706 * fold-const.c (native_encode_expr): New function to encode
5707 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5708 or VECTOR_CST into a specified buffer.
5709 (native_encode_int): New function.
5710 (native_encode_real): New function.
5711 (native_encode_complex): New function.
5712 (native_encode_vector): New function.
5713 (native_interpret_expr): Inverse of native_encode_expr to convert
5714 a target representation into an INTEGER_CST, REAL_CST etc...
5715 (native_interpret_int): New function.
5716 (native_interpret_real): New function.
5717 (native_interpret_complex): New function.
5718 (native_interpret_vector): New function.
5719 (fold_view_convert_expr): New function to constant fold/evaluate
5720 a VIEW_CONVERT_EXPR of a suitable constant expression.
5721 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5722 Change call of build1 to fold_build1 when constructing a
5725 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5726 Ulrich Weigand <uweigand@de.ibm.com>
5729 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5732 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5735 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5736 optimize to lo_sum for DFmode if !TARGET_FPRS.
5738 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5740 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5741 delete_alias_info, compute_flow_sensitive_aliasing,
5742 group_aliases): Use VEC instead of VARRAY.
5743 * tree-ssa-structalias.c (update_alias_info): Likewise.
5744 * tree-ssa-structalias.h (alias_info): Change the type of
5745 processed_ptrs to VEC(tree,heap) *.
5747 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5750 * config/sh/lib1funcs.h: New file, broken out of:
5751 * config/sh/lib1funcs.asm.
5752 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5754 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5755 * config/sh/lib1funcs-Os-4-200.asm: New file.
5756 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5757 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5758 (EXTRA_MULTILIB_PARTS): Include it.
5759 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5760 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5761 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5762 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5765 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5767 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5768 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5769 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5771 * tree-ssa-live.h: Include vecprim.h.
5772 (tree_partition_associator_d): Change the type of
5773 first_partition to VEC(int,heap) *.
5774 (tpa_first_partition): Use VEC instead of VARRAY.
5776 * Makefile.in (GTFILES): Move functions.h after tree.h.
5777 * function.c (reset_block_changes, record_block_change,
5778 check_block_change, free_block_changes): Use VEC instead of
5780 * function.h (function): Change the type of
5781 ib_boundaries_block to VEC(tree,gc) *.
5782 * tree-inline.c (copy_cfg_body): Initialize
5783 ib_boundaries_block to NULL instead of (varray_type) 0.
5785 2006-04-12 Roger Sayle <roger@eyesopen.com>
5787 * expr.c (emit_group_store): Correct operand order in call to
5788 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5789 a SUBREG_BYTE of zero.
5791 2006-04-12 Richard Guenther <rguenther@suse.de>
5793 * profile.c (compute_branch_probabilities): Remove code
5794 encapsulated in !ir_type (), which are remanents of the
5795 removed RTL profiling code.
5796 * rtl-profile.c: Remove.
5798 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5800 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5801 magic NULL_RTX comment.
5802 (function_arg): Store entire fp arg to mem if any part should go
5804 (rs6000_arg_partial_bytes): Adjust for above change.
5806 2006-04-11 Roger Sayle <roger@eyesopen.com>
5808 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5809 if it hasn't been initialized by dwarf2out_init.
5811 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5813 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5814 symbolic constants in branch patterns.
5816 2006-04-11 Roger Sayle <roger@eyesopen.com>
5818 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5820 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5822 PR rtl-optimization/27073
5823 * gcse.c (try_replace_reg): Revert last change. Continue to search
5824 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5827 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5829 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5830 aggregate types other than record and union types.
5831 (function_arg): Likewise.
5832 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5834 (function_value): In 64-bit mode, return objects that require it
5837 2006-04-11 Roger Sayle <roger@eyesopen.com>
5839 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5841 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5843 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5845 2006-04-03 Jeff Law <law@redhat.com>
5848 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5849 alias information too.
5851 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5853 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5855 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5858 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5859 (premark_used_types_helper): New.
5860 (premark_used_types): New.
5861 (gen_subprogram_die): Call premark_used_types.
5862 (prune_unused_types_walk): Do not prune perennial dies.
5863 * function.c (used_types_insert): New.
5864 * function.h (struct function): Add used_types_hash field.
5865 (used_types_insert): Add prototype.
5866 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5867 * c-parser.c (c_parser_cast_expression): Save casted types in used
5870 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5873 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5874 rs6000_explicit_options.float_gprs.
5876 2006-04-10 Roger Sayle <roger@eyesopen.com>
5878 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5879 from ix86_expand_vector_init_low_nonzero. Take an additional
5880 one_var argument indicating which element is non-zero. Support
5881 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5882 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5883 with one_var instead of ix86_expand_vector_init_low_nonzero.
5885 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5887 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5888 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5889 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5890 build/genextract.o): Depend on vecprim.h.
5891 * cfglayout.c, df-problems.c, function.c, genextract.c,
5892 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5893 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5897 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5899 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5900 Declare VECs of this type.
5901 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5902 (remove_children): Delete.
5903 (add_dwarf_attr): Use VEC routines.
5904 (add_AT_flag): Update for changes to add_dwarf_attr.
5905 (add_AT_int): Likewise.
5906 (add_AT_unsigned): Likewise.
5907 (add_AT_long_long): Likewise.
5908 (add_AT_vec): Likewise.
5909 (add_AT_string): Likewise.
5910 (add_AT_die_ref): Likewise.
5911 (add_AT_fde_ref): Likewise.
5912 (add_AT_loc): Likewise.
5913 (add_AT_loc_list): Likewise.
5914 (add_AT_addr): Likewise.
5915 (add_AT_lbl_id): Likewise.
5916 (add_AT_lineptr): Likewise.
5917 (add_AT_macptr): Likewise.
5918 (add_AT_offset): Likewise.
5919 (add_AT_range_list): Likewise.
5920 (get_AT): Use VEC_iterate.
5921 (remove_AT): Use VEC_ordered_remove.
5922 (free_die): Fold remove_children into here; have it use VEC_iterate.
5923 (print_die): Use VEC_iterate on attrs.
5924 (reverse_die_lists): Don't reverse attr lists.
5925 (die_checksum): Use VEC_iterate on attrs.
5926 (same_die_p): Likewise.
5927 (output_location_lists): Likewise.
5928 (build_abbrev_table): Likewise.
5929 (size_of_die): Likewise.
5930 (unmark_all_dies): Likewise.
5931 (output_abbrev_section): Likewise.
5932 (output_die): Likewise.
5933 (prune_unused_types_walk_attribs): Likewise.
5935 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5937 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5939 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5942 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5944 2006-04-09 Roger Sayle <roger@eyesopen.com>
5946 * expr.c (store_constructor): Don't bother clearing target if
5947 we're about to assign a vector to it using vec_init_optab.
5949 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
5951 * tree-ssa-alias.c (lhs_may_store_to): New function.
5952 (recalculate_used_alone): Handle LHS of calls.
5954 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5958 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
5959 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
5960 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
5961 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
5962 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
5963 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
5964 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
5965 stubs. Add ".align 8" directives before all ".dword" directives.
5966 (GTHREAD_USE_WEAK): Revise comment.
5967 (TARGET_ATTRIBUTE_WEAK): Define.
5968 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
5969 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
5970 * stublib.c: New file.
5975 * pa.md (cbranch patterns): Revise arguments used in calls to
5976 output_cbranch, output_bb and output_bvd. Add long branch length
5978 (fbranch patterns): Handle long branches.
5979 (jump): Revise length check. Revise arguments for output_lbranch call.
5980 Add long branch length attributes.
5981 (decrement_and_branch_until_zero): Add long branch length attributes.
5982 (output_movb, output_parallel_addb and output_parallel_movb patterns):
5983 Likewise. Revise arguments for output_parallel_addb and
5984 output_parallel_movb calls.
5985 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
5986 output_parallel_movb and output_parallel_addb): Update prototypes.
5987 * pa.c (output_cbranch): Revise arguments. Correct handling of
5988 nullification in long branches.
5989 (output_lbranch): Add new argument to control extraction of delay
5991 (output_bb): Handle long branches.
5992 (output_bvb, output_dbra, output_movb, output_parallel_movb,
5993 output_parallel_addb): Likewise.
5995 2006-04-09 Richard Sandiford <richard@codesourcery.com>
5997 PR rtl-optimization/27073
5998 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6001 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6003 * tree.h (tree_memory_tag): Add old_used_alone.
6004 (SMT_OLD_USED_ALONE): New macro.
6005 * tree-ssa-alias.c (recalculate_used_alone): Stop
6006 marking things for renaming unnecessarily.
6008 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6010 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6011 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6012 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6013 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6014 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6015 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6016 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6017 spelling convensions.
6018 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6019 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6020 typos. Follow spelling conventions.
6022 2006-04-07 DJ Delorie <dj@redhat.com>
6024 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6025 passed on the stack.
6026 (m32c_init_cumulative_args): When a function returns a structure,
6027 always pass the pointer to that return area on the stack.
6028 (m32c_function_arg_advance): Don't increment the parameter number
6029 if we're processing the returned structure pointer.
6030 (pushm_info): Reverse order of registers.
6032 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6034 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6035 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6036 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6037 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6039 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6040 chrec_fold_multiply): Same.
6041 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6042 force_expr_to_var_cost): Same.
6043 * tree-mudflap.c (mf_xform_derefs_1): Same.
6044 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6046 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6048 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6049 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6052 2006-04-07 Jan Hubicka <jh@suse.cz>
6054 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6056 2006-04-07 Richard Guenther <rguenther@suse.de>
6058 PR tree-optimization/26135
6059 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6060 loads for store copy-prop.
6061 (copy_prop_visit_stmt): Likewise.
6063 2006-04-05 Robert Millan <robertmh@gnu.org>
6065 * config/i386/linux.h: Add a comment to mark macros that are
6066 being overriden in config/k*bsd-gnu.h.
6067 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6069 * config/knetbsd-gnu.h: Ditto.
6071 2006-04-06 Jan Hubicka <jh@suse.cz>
6075 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6078 2006-04-06 Mike Stump <mrs@apple.com>
6080 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6081 for HAVE_nonlocal_goto to be consistent.
6082 (expand_builtin_nonlocal_goto): Likewise.
6083 (expand_builtin_strcmp): Use #ifdef instead of #if
6084 for HAVE_cmpstrnsi to be consistent.
6086 2006-04-05 DJ Delorie <dj@redhat.com>
6088 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6091 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6093 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6094 got-relative addressing for anything but SImode.
6096 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6097 even if the calling function doesn't modify them.
6099 2006-04-05 Richard Guenther <rguenther@suse.de>
6101 PR tree-optimization/26919
6102 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6103 to cgraph_estimate_size_after_inlining.
6105 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6107 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6109 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6111 PR tree-optimization/26996
6112 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6113 VECTOR_TYPE variables.
6115 2006-04-05 Richard Guenther <rguenther@suse.de>
6117 PR tree-optimization/26763
6118 * fold-const.c (fold_comparison): Move folding of
6119 PTR + CST CMP PTR + CST ...
6120 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6122 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6124 * doc/install.texi (Prerequisites): Refine some wording on
6125 bootstrapping and ksh.
6126 Move the version numbers of DejaGnu here from the testing section
6127 and fix casing of names.
6128 Fix markup and clarify wording for autogen requirements.
6129 Refer to GCJ instead of just java.
6130 Refer to SVN instead of CVS.
6131 Describe diffutils as useful instead of necessary.
6132 (Downloading the source): Refer to SVN instead of CVS.
6133 Adjust a link to our web site accordingly.
6134 (Configuration): Fix casing of Bison.
6135 (Building): Refer to SVN instead of CVS.
6136 Fix a sentence on the use of Bison and remove duplicate (and
6137 incorrect) version number of Bison requirement.
6138 Remove one redundant list of packages needed for building.
6139 (Specific): Avoid reference to CVS.
6141 2006-04-04 Eric Christopher <echristo@apple.com>
6143 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6144 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6145 (rs6000_handle_struct_attribute): New.
6146 (rs6000_ms_bitfield_layout_p): Ditto.
6148 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6150 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6151 NULL for dso parameter to atexit_common.
6153 2006-04-04 Eric Christopher <echristo@apple.com>
6155 * config/i386/i386.c (machopic_output_stub): Output \t
6156 between instructions and operands.
6158 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6160 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6161 satisfies_constraint_[IL] to explicit tests on value.
6163 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6165 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6166 set_nb_iterations_in_loop): Use build_int_cst instead of
6168 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6169 build_int_cst instead of convert.
6171 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6173 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6174 new value 2 for incoming.
6175 * function.c (expand_function_start): Call struct_value_rtx
6177 * config/sparc/sparc.md: Comment updated_return.
6178 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6179 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6180 struct return if sparc_std_struct_return and incoming is 2.
6181 (print_operand): Do not adjust return if
6182 sparc_std_struct_return.
6184 2006-04-04 Roger Sayle <roger@eyesopen.com>
6186 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6187 convert in the middle-end.
6188 * expr.c (store_expr, store_constructor, get_inner_reference,
6189 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6191 * tree.c (build_range_type): Likewise.
6193 2006-04-04 Tom Tromey <tromey@redhat.com>
6195 * doc/install.texi (Prerequisites): Mention jar.
6197 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6199 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6202 2006-04-04 Matthias Klose <doko@debian.org>
6204 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6205 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6208 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6210 * doc/extend.texi (Function Attributes): Rewrite visibility
6211 attribute documentation.
6212 * doc/invoke.texi (C++ Dialect Options): Rewrite
6213 -fvisibility-inlines-hidden documentation to describe something
6214 entirely different, although in practise compatible.
6215 (Code Gen Options): Warn about system headers in -fvisibility=
6218 * doc/extend.texi (Other Builtins): Document that
6219 __builtin_nan is a compile-time constant only when its argument
6222 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6224 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6225 trying to remove TRUNCATE check if all bits outside the new mode
6226 are identical to the sign bit.
6228 2006-04-03 Jeff Law <law@redhat.com>
6230 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6231 and operand scanning in some common cases.
6233 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6234 Dale Johannesen <dalej@apple.com>
6237 * regclass.c (struct reg_pref): Update documentation.
6238 (regclass): Set prefclass to NO_REGS if memory is the best option.
6239 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6240 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6241 into account. For non-registers, equate an empty preferred
6242 reload class to a `!' in the constraint; move the if clause to
6243 do so after those that reject the insn.
6244 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6246 (find_dummy_reload): Likewise.
6247 * doc/tm.texi (Register Classes): Document what it means
6248 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6249 * config/i386/i386.c (ix86_preferred_reload_class): Force
6250 using SSE registers (and return NO_REGS for floating-point
6251 constants) if math is done with SSE.
6252 (ix86_preferred_output_reload_class): New.
6253 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6254 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6255 * config/i386/i386.md: Remove # register preferences.
6257 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6260 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6261 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6262 the type of nb_iter.
6263 (instantiate_parameters_1): Convert the operands before calling
6264 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6265 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6267 2006-04-02 Roger Sayle <roger@eyesopen.com>
6269 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6270 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6272 * dojump.c (do_jump): Likewise.
6273 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6274 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6275 gimplify_boolean_expr): Likewise.
6276 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6277 * varasm.c (array_size_for_constructor): Likewise.
6278 * tree-object-size.c (compute_object_offset): Likewise.
6280 2006-04-02 Roger Sayle <roger@eyesopen.com>
6283 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6284 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6286 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6288 PR tree-optimization/26939
6289 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6291 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6293 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6294 at_stmt. Convert the type of operands before calling
6295 build_polynomial_chrec.
6296 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6298 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6299 (instantiate_parameters_1): Convert the type of operands before calling
6300 build_polynomial_chrec.
6301 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6302 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6303 reset_evolution_in_loop): Insert asserts to check the types of the
6305 (chrec_type): Moved...
6306 (eq_evolutions_p): Use operand_equal_p.
6307 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6308 the types of the operands.
6309 (chrec_type): ...here.
6310 * tree-data-ref.c (create_data_ref): Convert the operands before
6311 calling chrec_replace_initial_condition.
6312 (same_access_functions, analyze_subscript_affine_affine,
6313 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6314 (compute_subscript_distance, analyze_ziv_subscript,
6315 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6316 analyze_miv_subscript): Convert the operands before calling
6317 chrec_fold_minus or chrec_fold_plus.
6319 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6321 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6322 the dependence_relations vector.
6323 (compute_data_dependences_for_loop): Adjust call to
6324 compute_all_dependences.
6326 2006-04-01 Roger Sayle <roger@eyesopen.com>
6327 Richard Henderson <rth@redhat.com>
6329 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6330 gimple_boolify on the condition before calling gimplify_expr.
6332 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6334 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6335 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6336 the frame size. Update to use the new macros.
6337 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6338 * config/xtensa/ieee754-df.S: Likewise.
6340 2006-03-31 Richard Henderson <rth@redhat.com>
6342 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6343 (make_edges): ... here. Control fallthru creation with a local
6344 variable. Do not play with fake edges.
6345 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6346 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6349 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6351 * dwarf2.h (DW64_CIE_ID): Define.
6352 * dwarf2out.c (DWARF_CIE_ID): Define.
6353 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6354 length header. Use DWARF_CIE_ID.
6355 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6356 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6358 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6360 * config/sh/linux-atomic.asm: New file.
6361 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6363 2006-03-31 DJ Delorie <dj@redhat.com>
6365 * config/m32c/cond.md: Set condition flags properly throughout.
6366 * config/m32c/minmax.md: Likewise.
6367 * config/m32c/prologue.md: Likewise.
6368 * config/m32c/bitops.md: Likewise.
6369 * config/m32c/muldiv.md: Likewise.
6370 * config/m32c/mov.md: Likewise.
6371 * config/m32c/addsub.md: Likewise.
6372 * config/m32c/m32c.md: Likewise.
6373 * config/m32c/jump.md: Likewise.
6374 * config/m32c/shift.md: Likewise.
6376 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6377 conditionally output the pattern for this.
6378 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6379 (m32c_compare_redundant): New.
6380 (m32c_output_compare): New.
6381 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6383 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6384 dest, not src. Allow other 4-byte modes.
6386 2006-03-30 Denis Chertykov <denisc@overta.ru>
6388 * doc/md.texi: Refer to avr/constraints.md instead of
6391 2006-03-30 Roger Sayle <roger@eyesopen.com>
6393 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6394 signed vs. unsigned comparison failures on some hosts.
6396 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6399 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6400 change to FLOAT_REGS.
6402 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6403 (rs6000_override_options): Use it.
6404 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6405 only for -mabi=spe/no-spe and -mabi=altivec.
6407 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6409 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6412 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6414 * Makefile.in: Rename docdir to gcc_docdir.
6416 2006-03-30 Roger Sayle <roger@eyesopen.com>
6419 * expr.c (emit_group_store): Optimize group stores into a pseudo
6420 register by using a paradoxical subreg to initialize the destination
6421 if the first or last member of the group specifies a "low part".
6423 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6426 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6427 * target.h (struct gcc_target.speculate_insn): Change type of the
6428 second parameter to 'int'.
6429 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6430 the second operand of the DEPS_LIST.
6431 (copy_DEPS_LIST_list): Update reference to the second operand of the
6433 * rtl.h (alloc_DEPS_LIST): Update signature.
6434 * sched-int.h (ds_t): Change typedef to 'int'.
6435 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6437 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6439 * haifa-sched.c (try_ready): Change condition to restore
6440 non-speculative pattern of the instruction.
6441 (process_insn_depend_be_in_spec): Code to keep probability of the
6442 speculative dependence non-decreasing.
6444 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6446 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6447 (single_move_for_movmem): ... this. Also change all uses.
6448 (bfin_expand_strmov): Renamed to...
6449 (bfin_expand_movmem): ... this. Also change all uses.
6450 * config/bfin/bfin.md (movstrsi): Renamed to...
6451 (movstrsi): ...this.
6453 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6455 PR tree-optimization/26830
6457 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6458 (copy_prop_visit_stmt): Remove write-only variable ann.
6459 (init_copy_prop): Check variable loop depth here. Do not simulate
6460 memory-tag and virtual operand PHIs except for store copy prop.
6462 2006-03-30 Richard Guenther <rguenther@suse.de>
6464 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6465 variants with double arguments.
6467 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6469 * genpreds.c (write_tm_constrs_h): Delete variable p.
6470 * genconditions.c (write_header): Add tm-constrs.h to included
6472 * genpeep.c (main): Add toplev.h to included headers.
6473 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6474 (build/genpeep.o): Add toplev.h dependency.
6475 * config/rs6000/constraints.md: Add "W" constraint.
6477 2006-03-29 Roger Sayle <roger@eyesopen.com>
6479 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6480 sizes by correctly testing whether the size fits a host integer.
6481 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6482 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6483 SImode range for the default sizetype and bitsizetype.
6485 2006-03-29 Roger Sayle <roger@eyesopen.com>
6487 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6488 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6489 quickly if the argument is already of the correct type.
6490 Call fold_build1 instead of build1. Tidy up blank lines.
6492 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6494 * genemit.c (main): Add tm-constrs.h to included headers.
6495 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6496 * genpeep.c (main): Add tm-constrs.h to included headers.
6497 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6498 (write_tm_constrs_h): this and write complete file.
6499 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6500 (write_insn_preds_c): Add tm-constrs.h to included headers.
6501 (gen_constrs): New variable.
6502 (parse_option): Parse "-c".
6503 (main): Invoke write_tm_constrs_h.
6504 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6505 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6506 (object_out_file): Add tm-constrs.h dependency.
6507 (insn-emit.o): Same.
6508 (insn-output.o): Same.
6509 (insn-peep.o): Same.
6510 (insn-preds.o): Same.
6511 (insn-recog.o): Same.
6512 (tm-constsr.h): New target.
6513 (s-constrs-h): New target.
6515 * config/rs6000/constraints.md: New file.
6516 * config/rs6000/rs6000.c: Include tm-constrs.h.
6517 (num_insn_constant_wide): Convert to satisfies_constraint.
6518 (rs6000_rtx_costs): Convert to satisfies_constraint.
6519 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6520 (CONST_OK_FOR_LETTER_P): Delete.
6521 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6522 (EXTRA_CONSTRAINT): Delete.
6523 (EXTRA_MEMORY_CONSTRAINT): Delete.
6524 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6525 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6526 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6527 satisfies_constraint.
6529 * config/i386/i386.c: Include tm-constrs.h.
6531 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6533 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6534 * tree-data-ref.c (find_data_references_in_loop,
6535 compute_data_dependences_for_loop): Use pointers to VEC.
6536 (analyze_all_data_dependences): Adjust calls.
6537 * tree-data-ref.h (find_data_references_in_loop,
6538 compute_data_dependences_for_loop): Adjust declarations.
6539 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6540 compute_data_dependences_for_loop.
6542 2006-03-29 Paul Brook <paul@codesourcery.com>
6544 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6547 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6549 PR tree-optimization/26859
6550 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6552 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6553 for the step after fold_convert.
6555 2006-03-29 Paul Brook <paul@codesourcery.com>
6557 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6558 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6560 2006-03-29 Paul Brook <paul@codesourcery.com>
6563 * targhooks.c (default_narrow_bitfield): New fuction.
6564 * targhooks.h (default_narrow_bitfield): add prototype.
6565 * target.h (gcc_target): Add narrow_volatile_bitfield.
6566 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6567 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6568 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6569 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6571 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6573 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6575 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6576 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6577 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6578 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6579 (s390_function_arg_float): Allow SDmode and DDmode values to be
6580 passed in floating point registers.
6581 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6582 check with SCALAR_FLOAT_MODE_P.
6583 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6585 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6587 PR tree-optimization/25985
6588 * tree-ssa-loop-niter.c (number_of_iterations_le,
6589 number_of_iterations_ne): Make comments more precise.
6590 (number_of_iterations_cond): Add only_exit argument. Use the
6591 fact that signed variables do not overflow only when only_exit
6593 (loop_only_exit_p): New.
6594 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6595 number_of_iterations_cond.
6597 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6599 PR tree-optimization/26643
6600 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6603 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6605 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6606 (divsi3_i4_int): Likewise.
6608 2006-03-28 Roger Sayle <roger@eyesopen.com>
6610 * expr.c (emit_group_store): Only create a new pseudo reg if the
6611 quantity it needs to hold isn't already a suitable pseudo.
6613 2006-03-28 Jeff Law <law@redhat.com>
6615 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6616 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6618 2006-03-28 Roger Sayle <roger@eyesopen.com>
6620 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6621 the equivalent ~X & Y, and the symmetry related transformations.
6622 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6623 ~X & Y, and symmetry related transforms.
6625 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6627 Revert my 2006-03-27 patches.
6629 2006-03-28 Roger Sayle <roger@eyesopen.com>
6631 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6632 ~(T1)X, when T1 and T2 are integer types of the same precision
6633 and (T2)X isn't an extension.
6635 2006-03-28 Jeff Law <law@redhat.com>
6637 PR tree-optimization/26796
6638 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6639 need EH edge cleanups rather than purging them immediately.
6640 (eliminate_degenerate_phis): Handle queued EH cleanups.
6642 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6644 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6647 2006-03-27 Roger Sayle <roger@eyesopen.com>
6650 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6651 cast BIT_NOT_EXPR operand to the correct type.
6653 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6655 * tree-loop-linear.c: Don't include varray.h.
6656 (gather_interchange_stats, try_interchange_loops,
6657 linear_transform_loops): Use VEC instead of VARRAY.
6658 * lambda-mat.c: Don't include varray.h.
6659 * tree-chrec.c: Same.
6660 * lambda-trans.c: Same.
6661 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6662 VEC instead of VARRAY.
6663 * tree-vectorizer.h: Idem.
6664 * tree-data-ref.c (dump_data_references,
6665 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6666 initialize_data_dependence_relation, finalize_ddr_dependent,
6667 compute_all_dependences, find_data_references_in_loop,
6668 compute_data_dependences_for_loop, analyze_all_data_dependences,
6669 free_dependence_relation, free_dependence_relations,
6670 free_data_refs): Idem.
6671 * tree-data-ref.h (data_reference_p, subscript_p): New.
6672 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6673 VEC instead of VARRAY.
6674 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6675 (find_data_references_in_loop, compute_data_dependences_for_loop,
6676 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6677 dump_data_dependence_relations, free_dependence_relations,
6678 free_data_refs): Adjust declaration.
6679 (lambda_transform_legal_p): Move declaration here...
6680 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6681 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6682 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6683 vect_analyze_data_refs): Use VEC instead of VARRAY.
6684 * lambda.h (lambda_transform_legal_p): ...from here.
6685 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6686 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6687 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6688 tree-chrec.o): Don't depend on VARRAY_H.
6690 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6692 * rtl.def (Copyright): Update date.
6693 (DEPS_LIST): Change type of the second operand to 'int'.
6694 * target.h (Copyright): Update date.
6695 (struct gcc_target.speculate_insn): Change type of the second parameter
6697 * lists.c (Copyright): Update date.
6698 (alloc_DEPS_LIST): Change signature. Update reference to the second
6699 operand of the DEPS_LIST.
6700 (copy_DEPS_LIST_list): Update reference to the second operand of the
6702 * rtl.h (Copyright): Update date.
6703 (alloc_DEPS_LIST): Update signature.
6704 * sched-int.h (Copyright): Update date.
6705 (ds_t): Change typedef to 'int'.
6706 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6708 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6710 * haifa-sched.c (Copyright): Update date.
6711 (try_ready): Change condition to restore non-speculative pattern
6713 (process_insn_depend_be_in_spec): Code to keep probability of the
6714 speculative dependence non-decreasing.
6716 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6718 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6719 shut up the compiler.
6721 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6723 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6724 to use lib prefix for target.
6725 ($(T)libic_invalidate_array_4-200.a): Likewise.
6726 ($(T)libic_invalidate_array_4a.a): Likewise.
6728 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6729 J"orn Rennecke <joern.rennecke@st.com>
6731 * superh.opt: New file.
6732 * sh.c (boardtype, osruntime): Remove.
6733 * superh.h (SUBTARGET_OPTIONS): Remove.
6734 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6736 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6737 arguments with ^ and/or [].
6739 * config.gcc (sh-*-*): Add quoting to account for quirk of
6741 Replace == with = in enable_incomplete_targets test.
6743 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6744 with MASK_LITTLE_ENDIAN.
6746 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6747 * config/sh/sh.opt: Added to some comments.
6748 * config/sh/superh.h: Removed some chaff.
6750 * config/sh/sh.opt: Add m4-[1234]00* options.
6751 * config/sh/sh.c (sh_handle_option): Likewise.
6752 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6753 (ic_invalidate_array_4-100.o): New rule.
6754 ($(T)libic_invalidate_array_4-100.a): Likewise.
6755 (ic_invalidate_array_4-200.o): Likewise.
6756 ($(T)libic_invalidate_array_4-200.a): Likewise.
6757 (ic_invalidate_array_4a.o): Likewise.
6758 ($(T)libic_invalidate_array_4a.a): Likewise.
6759 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6760 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6762 * config/sh/crt1.asm: Merged in profiling code.
6763 * config/sh/superh.h (STARTFILE_SPEC): Override.
6764 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6765 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6766 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6768 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6769 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6770 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6772 * sh.opt (mpretend-cmove): New option.
6773 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6774 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6775 (movsicc): Add TARGET_PRETEND_CMOVE code.
6777 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6779 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6780 s390_class_max_nregs): New function prototypes.
6781 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6782 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6783 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6784 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6786 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6788 * dwarf2out.c (add_location_or_const_value_attribute): Call
6789 tree_add_const_value_attribute if nothing else works.
6790 (reference_to_unused): New.
6791 (rtl_for_decl_init): Use reference_to_unused to decide whether
6792 to output an initializer.
6794 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6797 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6798 peephole removing spe frob_di_df_2.
6800 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6802 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6803 (subscript_dependence_tester_1): Declared.
6804 (print_dir_vectors, print_dist_vectors): New.
6805 (debug_data_dependence_relation): New.
6806 (dump_data_dependence_relation): Print more details.
6807 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6808 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6809 (save_dist_v, save_dir_v, add_outer_distances,
6810 build_classic_dist_vector_1): New.
6811 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6812 Don't test for lambda_vector_lexico_pos.
6813 (same_access_functions, add_multivariate_self_dist,
6814 add_other_self_distances, dir_from_dist): New.
6815 (build_classic_dir_vector): Replace implementation almost identical to
6816 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6818 (subscript_dependence_tester_1): New.
6819 (subscript_dependence_tester): Handle the lexicographically negative
6820 distance vectors by recomputing the dependence relation.
6821 (compute_affine_dependence): Remove parameter loop_nest_depth.
6822 (compute_self_dependence): Don't call compute_subscript_distance.
6823 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6824 Add a parameter for the loop_nest.
6825 (find_loop_nest_1, find_loop_nest): New.
6826 (compute_data_dependences_for_loop): Compute the loop nest, and give
6827 up if the nest is not well formed.
6828 * tree-data-ref.h (loop_p): New.
6829 (struct data_dependence_relation): Replace size_vect field with
6830 loop_nest, a vec of loops.
6831 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6832 (DDR_LOOP_NEST): New.
6833 (print_dir_vectors, print_dist_vectors,
6834 debug_data_dependence_relation): Declared.
6835 (index_in_loop_nest): New.
6836 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6837 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6840 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6842 * simplify-rtx.c (simplify_relational_operation): Call
6843 simplify_relational_operation_1 even if mode is VOIDmode.
6845 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6847 PR tree-optimization/26804
6848 * tree.h (DECL_CALL_CLOBBERED): New macro.
6849 (tree_decl_common): Add call_clobbered_flag.
6850 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6851 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6852 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6853 (mark_non_addressable): Ditto.
6854 * tree-ssa.c (verify_call_clobbered): New function.
6855 (verify_alias_info): Use it.
6856 * tree-pass.h (pass_reset_cc_flags): New prototype.
6857 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6858 (reset_cc_flags): New function.
6859 * passes.c (init_optimization_passes): Call reset_cc_flags after
6860 initializing referenced_vars.
6862 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6863 Roger Sayle <roger@eyesopen.com>
6866 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6867 to 1.0 for non-real operands. Implement A / A optimization for
6870 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6872 * config/i386/i386.c (size_cost): Correct the comment for
6873 cost of storing fp registers.
6874 (i386_cost): Likewise.
6875 (i486_cost): Likewise.
6876 (pentium_cost): Likewise.
6877 (pentiumpro_cost): Likewise.
6878 (k6_cost): Likewise.
6879 (athlon_cost): Likewise.
6880 (k8_cost): Likewise.
6881 (pentium4_cost): Likewise.
6882 (nocona_cost): Likewise.
6883 (generic64_cost): Likewise.
6884 (generic32_cost): Likewise.
6886 2006-03-24 Denis Chertykov <denisc@overta.ru>
6888 * config/avr/avr-protos.h (extra_constraint): Delete.
6889 (extra_constraint_Q): New declaration.
6890 * config/avr/constraints.md: New file.
6891 * config/avr/avr.md: Include it.
6892 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6893 (TMP_REGNO, ZERO_REGNO): Likewise.
6894 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6895 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6896 (extra_constraint): Delete.
6897 (extra_constraint_Q): Test for memory constraint 'Q'.
6898 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6899 (REG_CLASS_FROM_LETTER): Delete.
6900 (CONST_OK_FOR_LETTER_P): Delete.
6901 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6902 (EXTRA_CONSTRAINT): Delete.
6903 (TMP_REGNO): Delete.
6904 (ZERO_REGNO): Delete.
6906 2006-03-24 Jeff Law <law@redhat.com>
6908 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6909 directly. Call mark_new_vars_to_rename slightly earlier.
6911 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6913 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6915 (gen_compile_unit_die): Use new language types for Objective-C and
6917 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6918 DW_LANG_C_plus_plus.
6921 * config/t-darwin (crt3.o): Work around bug 26840.
6922 * config/darwin-crt3.c: Rewrite.
6923 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6925 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6927 * doc/invoke.texi: Document -femit-class-debug-always
6928 * common.opt: Add -femit-class-debug-always.
6930 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6932 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6933 index and base register.
6934 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6935 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6936 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6937 REGNO_OK_FOR_INDEX_P.
6938 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6940 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6941 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6942 REG_OK_FOR_BASE_P): Definitions removed.
6944 2006-03-24 Jakub Jelinek <jakub@redhat.com>
6947 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
6948 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
6949 set yet or weren't marked as local yet.
6951 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
6953 * regrename.c (scan_rtx_address): Initialize a variable to shut up
6956 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
6958 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
6959 (rs6000_legitimate_small_data_p): Delete.
6960 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
6961 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
6962 and make static. Add forward declaration. Update uses.
6963 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
6964 of offsettable_memref_p.
6965 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
6966 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
6968 2006-03-24 Jeff Law <law@redhat.com>
6970 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
6971 around bug in immediate-use iterator.
6973 2006-03-24 Alan Modra <amodra@bigpond.net.au>
6976 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
6977 or __LITTLE_ENDIAN__.
6979 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
6981 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
6982 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
6983 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
6984 * config/sh/sh.opt (mdiv=): Amend description.
6985 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
6986 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
6987 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
6988 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
6989 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
6990 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
6991 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
6992 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
6993 TARGET_DIVIDE_CALL_FP.
6995 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6997 * haifa-sched.c (choose_ready): Fix type of the local variable.
6998 Move local variables. Add comment.
6999 (check_reg_live): Change signature. Make callable from debugger.
7000 * sched-int.h (check_reg_live): Update signature.
7001 * sched-ebb.c (check_reg_live): Update parameters.
7002 * sched-rgn.c (check_reg_live): Ditto.
7003 (region_head_or_leaf_p): Check pointer before dereferencing.
7004 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7005 before reload on optimization levels below 1.
7007 2006-03-23 Richard Henderson <rth@redhat.com>
7009 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7013 * config/alpha/predicates.md (local_symbolic_operand): Reject
7016 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7019 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7020 expressions which have overflowed constants.
7022 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7024 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7026 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7028 * cfgloopmanip.c (create_loop_notes): Removed.
7029 * final.c (final_scan_insn): Do not handle loop notes.
7030 * jump.c (squeeze_notes): Ditto.
7031 * cfglayout.c (skip_insns_after_block,
7032 duplicate_insn_chain): Ditto.
7033 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7035 * cfgloop.h (create_loop_notes): Declaration removed.
7037 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7039 * varasm.c (output_constant_pool): Restore fnname and fndecl
7041 (assemble_start_function): Adjust call accordingly.
7042 (assemble_end_function): Likewise.
7044 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7047 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7050 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7052 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7055 * system.h (ICE_EXIT_CODE): New macro.
7056 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7057 (diagnostic_action_after_output): Likewise.
7058 * gcc.c (fatal_ice): New function.
7059 (execute): Use it instead of fatal.
7060 (fancy_abort): Likewise.
7061 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7063 2006-03-22 Jeff Law <law@redhat.com>
7065 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7066 iv_analyze_result returning false.
7068 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7070 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7072 2006-03-22 Richard Henderson <rth@redhat.com>
7075 * except.c (duplicate_eh_regions_0): New.
7076 (duplicate_eh_region_1): Duplicate the children of the node as
7077 well as the node itself. Link them up properly.
7078 (duplicate_eh_region_2): Merge into ...
7079 (duplicate_eh_regions): ... here. Take copy_region argument, and
7080 copy only a sub-tree if asked. Simplify copying and fixup.
7081 (eh_region_outer_p): New.
7082 * except.h (duplicate_eh_regions): Update decl.
7083 (eh_region_outer_p): Declare.
7084 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7085 (lower_omp_master): Likewise.
7086 (lower_omp_ordered): Likewise.
7087 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7088 (move_stmt_r): Use it to remap labels. Handle recursion vs
7089 remap_decls_p properly.
7090 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7091 (find_outermost_region_in_block): New.
7092 (new_label_mapper): New.
7093 (move_sese_region_to_fn): Copy eh information to the new function
7095 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7097 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7100 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7102 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7103 into shared libraries.
7105 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7107 * doc/md.texi: Refer to i386/constraints.md instead of
7109 * config/i386/constraints.md: New file, extracted from...
7110 * config/i386/predicates.md: ...here.
7111 * config/i386/i386.md: Include constraints.md.
7113 2006-03-21 Jason Merrill <jason@redhat.com>
7115 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7118 * expr.c (init_block_move_fn): Force default visibility.
7119 (init_block_clear_fn): Likewise.
7120 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7121 * targhooks.c (default_external_stack_protect_fail): Likewise.
7123 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7125 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7126 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7127 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7128 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7129 (loadgp): Use mips_current_loadgp_style.
7130 (loadgp_noshared): New pattern.
7131 (sibcall_internal): Use MIPS_CALL.
7132 (sibcall_value_internal): Likewise.
7133 (sibcall_value_multiple_internal): Likewise.
7134 (call_internal): Likewise.
7135 (call_value_internal): Likewise.
7136 (call_value_multiple_internal): Likewise.
7137 (call_split): Use MIPS_CALL and add an 'S' constraint.
7138 (call_value_split): Likewise.
7139 (call_value_multiple_split): Likewise.
7140 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7141 (-mshared): New option.
7142 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7143 (mips_current_loadgp_style): Declare.
7144 * config/mips/mips.c (mips_classify_symbol): Avoid using
7145 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7146 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7147 TARGET_ABSOLUTE_ABICALLS.
7148 (override_options): Adjust comments. Improve the warning that is
7149 issued when -mabicalls and -G are used together.
7150 (mips_file_start): Remove comment.
7151 (mips_current_loadgp_style): New function.
7152 (mips_gnu_local_gp): New variable.
7153 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7155 (mips_output_function_prologue): Use mips_current_laodgp_style.
7156 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7157 the cprestore instruction.
7158 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7159 live for TARGET_ABSOLUTE_ABICALLS.
7160 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7161 (ASM_SPEC): Pass down -mshared and -mno-shared.
7162 (MIPS_CALL): New macro.
7163 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7165 * doc/invoke.texi (-mabicalls): Update documentation.
7166 (-mshared): Document.
7168 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7170 * config/ia64/unwind-hpux.c: New file.
7171 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7173 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7176 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7178 2006-03-21 Jeff Law <law@redhat.com>
7180 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7181 type conversions of a VR_VARYING source to a wider type.
7183 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7185 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7186 tm_file on Solaris 10 and later.
7187 (sparc64-*-solaris2*): Likewise.
7188 (sparc-*-solaris2*): Likewise.
7189 * config/sol26.h: Rename to config/sol2-6.h.
7190 * config/sol2-10.h: New file.
7192 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7195 * tree-ssa-pre.c (create_component_ref_by_pieces):
7198 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7201 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7202 return it immediately.
7204 2006-03-21 Michael Matz <matz@suse.de>
7206 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7208 (remove_arc, add_arc): Update num_out_arcs member.
7209 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7211 (cache_presence): New function.
7212 (compare_states_for_equiv): New function.
7213 (state_is_differed): Don't take number of outargs, adjust callers.
7214 Use new invariant for speeding up.
7215 (init_equiv_class): Create initial classes based on sorted
7217 (partition_equiv_class): Don't track out_arcs_num.
7218 (evaluate_equiv_classes): Call cache_presence on all states and
7221 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7223 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7224 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7225 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7226 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7228 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7229 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7230 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7231 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7232 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7234 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7235 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7236 (REGNO_REG_CLASS): ARGP is in PREGS.
7237 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7239 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7240 to deal with those addresses.
7241 * addresses.h: New file.
7242 * caller-save.c: Include "addresses.h".
7243 (init_caller_save): Use new base_reg_class function.
7244 * rtl-factoring.c: Include "addresses.h".
7245 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7246 * recog.c: Include "addresses.h".
7247 (preprocess_constraints): Use new base_reg_class function.
7248 * regrename.c: Include "addresses.h".
7249 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7250 functions. Keep track of a new var INDEX_CODE to compute valid
7252 (replace_oldest_value_addr): Likewise.
7253 (replace_oldest_value_mem): Use base_reg_class.
7254 * reload.c: Include "addresses.h".
7255 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7256 (find_reloads): Use new base_reg_class function.
7257 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7258 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7259 all callers and prototype changed.
7260 * reload1.c: Include "addresses.h".
7261 (maybe_fix_stack_asms): Use base_reg_class.
7262 * regclass.c: Include "addresses.h".
7263 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7264 (init_reg_autoinc): Use new base_reg_class function.
7265 (record_reg_classes): Likewise.
7266 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7267 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7268 Use new args to compute necessary class.
7270 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7271 regrename.o, rtl-factoring.o): Update dependencies.
7272 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7273 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7274 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7275 REG_OK_FOR_INDEX_P): Delete documentation.
7277 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7279 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7280 from V7 to V9 for Solaris 7 and above.
7282 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7284 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7285 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7286 argument pointers may not alias any other storage.
7287 * common.opt: Define option -fargument-noalias-anything.
7288 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7289 alias semantics is specified by flag_argument_noalias > 2.
7291 2006-03-20 Jeff Law <law@redhat.com>
7293 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7294 (pass_phi_only_cprop): Declare.
7295 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7297 * tree-ssa-dom.c (degenerate_phi_result): New function.
7298 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7299 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7300 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7301 (eliminate_degenerate_phis): Likewise.
7302 (pass_phi_only_cprop): New pass descriptor.
7303 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7304 support code. Callers updated.
7305 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7306 (store_copy_prop): Likewise.
7307 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7309 2006-03-20 Jason Merrill <jason@redhat.com>
7312 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7313 (push_visibility, pop_visibility): Likewise.
7314 * c-pragma.h: Declare them.
7316 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7318 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7320 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7321 parameter and use get_ebb_head_tail.
7322 (sh_md_init_global): Adjust uses of find_regmode_weight.
7324 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7326 * function.h (struct function) <x_tail_recursion_reentry>:
7327 Rename to x_stack_check_probe_note.
7328 (tail_recursion_reentry): Rename to stack_check_probe_note.
7329 * function.c: Replace tail_recursion_reentry with
7330 stack_check_probe_note everywhere.
7331 (expand_function_start): Only emit a note for
7332 stack_check_probe_note with -fstack-protect.
7333 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7335 * emit-rtl.c (remove_unnecessary_notes): Remove.
7336 (pass_remove_unnecessary_notes): Remove.
7337 * rtl.h (remove_unnecessary_notes): Remove prototype.
7338 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7339 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7340 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7342 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7345 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7346 (valid_in_set): Handle ARRAY_REF.
7347 Change "if min_variant or VH" to asserts.
7348 (create_component_ref_by_pieces): Handle ARRAY_REF.
7349 (create_expression_by_pieces): Likewise.
7350 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7352 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7354 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7355 is operand of switch, not str[0].
7357 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7359 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7360 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7362 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7364 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7365 end of insn_extra_address_constraint declaration.
7367 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7369 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7370 (no-sum-in-toc): Same.
7371 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7373 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7374 NO_FP_IN_TOC for -fPIC instead of mask.
7376 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7377 (BOOT_LDFLAGS): Delete.
7379 * config/rs6000/t-aix52: Same.
7381 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7382 (stmsi[345678]_power): New.
7384 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7386 * config/ia64/ia64.opt: Add empty line to end of file.
7388 2006-03-17 Richard Guenther <rguenther@suse.de>
7391 * builtins.c (get_pointer_alignment): For component style references
7392 adjust alignment to the component type alignment. Make sure
7393 to adjust alignment for component access of constants.
7395 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7397 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7400 2006-03-17 Paul Brook <paul@codesourcery.com>
7402 * doc/install.texi: Docuemnt --with-mode.
7403 * config.gcc: Add --with-mode for arm*-*-*.
7404 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7406 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7408 * sh.c (max_labelno_before_reorg): New variable.
7409 (sh_reorg): Initialize it.
7410 (find_barrier): Check max_labelno_before_reorg before using
7411 label_to_alignment. Take length of explicit alignment insns
7412 into account. When seeing a UNSPECV_CONST_END, return it.
7414 * sh.c (fixup_mova): Set mode of affected label to QImode.
7415 (untangle_mova): New function.
7416 (find_barrier): Use it. Check mode of label before decrementing
7418 (sh_reorg): Likewise.
7419 Set mode of all insns back to VOIDmode.
7421 * sh.c (MOVA_LABELREF): New macro.
7422 (mova_p, fixup_mova, sh_reorg): Use it.
7423 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7424 ADDR_DIFF_VEC matches mova.
7426 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7428 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7429 with ATTRIBUTE_UNUSED.
7431 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7433 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7434 pointer, instead of assuming it is possible to derive the
7435 correct args size from a call insn.
7437 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7439 * rtl.h (CONST_INT_P): Define.
7440 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7441 instead of GET_CODE(x) == CONST_INT.
7442 (vax_rtx_costs): Likewise.
7443 (vax_output_int_move): Likewise.
7444 (vax_output_int_add): Likewise.
7445 (legitimate_constant_address_p): Likewise.
7446 (index_term_p): Likewise.
7447 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7448 * config/vax/vax.md (and<mode>3): Likewise.
7449 (ashrsi3): Likewise.
7451 (movstricthi): Likewise.
7452 (movstrictqi): Likewise.
7453 (rotrsi3): Likewise.
7454 (five unnamed insns): Likewise.
7456 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7458 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7459 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7460 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7461 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7462 Pass to ASM_OUTPUT_DWARF_OFFSET.
7463 * dwarf2out.c (debug_frame_section): New.
7464 (output_call_frame_info): Use debug_frame_section. Pass it to
7465 dw2_asm_output_offset.
7466 (output_die): Pass appropriate section to dw2_asm_output_offset.
7467 (output_compilation_unit_header): Likewise.
7468 (output_pubnames): Likewise.
7469 (output_aranges): Likewise.
7470 (enum dw_val_class): Break dw_val_class_lbl_offset into
7471 dw_val_class_lineptr and dw_val_class_macptr.
7472 (add_AT_lbl_offset): Delete.
7473 (add_AT_lineptr): New.
7474 (add_AT_macptr): New.
7475 (AT_lbl): Expect a lineptr or macptr.
7476 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7477 (attr_checksum): Likewise.
7478 (same_dw_val_p): Likewise.
7479 (size_of_die): Likewise.
7480 (value_format): Likewise.
7481 (output_die): Likewise.
7482 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7484 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7485 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7486 * config/darwin-protos.h (darwin_file_start): New.
7487 (darwin_asm_output_dwarf_offset): New.
7488 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7489 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7491 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7492 if not EH section; simplify.
7493 (darwin_file_start): New.
7494 (darwin_asm_output_dwarf_offset): New.
7495 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7497 (DEBUG_INFO_SECTION): Likewise.
7498 (DEBUG_ABBREV_SECTION): Likewise.
7499 (DEBUG_ARANGES_SECTION): Likewise.
7500 (DEBUG_MACINFO_SECTION): Likewise.
7501 (DEBUG_LINE_SECTION): Likewise.
7502 (DEBUG_LOC_SECTION): Likewise.
7503 (DEBUG_PUBNAMES_SECTION): Likewise.
7504 (DEBUG_STR_SECTION): Likewise.
7505 (DEBUG_RANGES_SECTION): Likewise.
7506 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7507 (ASM_OUTPUT_DWARF_OFFSET): New.
7509 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7511 * config.gcc (tm_defines): Always add to previous value rather
7514 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7516 * config/mips/predicates.md (splittable_const_int_operand): New,
7517 split from move_operand.
7518 (splittable_symbolic_operand): New.
7519 (move_operand): Add commentary. Use splittable_const_int_operand.
7520 Inline mips_atomic_symbolic_constant_p.
7521 * config/mips/mips.md: Add combine splitters for handling moves
7522 of splittable_const_int_operands and splittable_symbolic_operands.
7523 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7524 (mips_split_symbol): Declare.
7525 (mips_move_integer): Declare.
7526 * config/mips/mips.c (mips_split_p): Make global.
7527 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7528 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7529 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7530 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7531 (mips_offset_within_object_p): Handle block symbols.
7532 (mips_atomic_symbolic_constant_p): Delete.
7533 (mips_cannot_force_const_mem): Return false for constants that
7534 mips_legitimize_move can handle.
7535 (mips_use_blocks_for_constant_p): New function.
7536 (mips_split_symbol): Make global.
7537 (mips_move_integer): Likewise. Add a temporary register argument.
7538 (mips_legitimize_const_move): Use splittable_const_int_operand and
7539 splittable_symbolic_operand.
7540 (mips_use_anchors_for_symbol_p): New function.
7541 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7542 (mips_split_p): Declare.
7544 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7546 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7547 (mips*-*-linux*): Likewise.
7549 2006-03-16 Roger Sayle <roger@eyesopen.com>
7550 Daniel Speyer <dspeyer@wam.umd.edu>
7553 * tree-dump.c (dump_real): New function.
7554 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7555 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7556 (tree-dump.o): Add $(REAL_H) to the dependencies.
7558 2006-03-16 Roger Sayle <roger@eyesopen.com>
7561 * real.c (real_from_string): If the mantissa is zero, don't bother
7562 parsing the exponent as the result should always be zero.
7564 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7566 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7568 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7570 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7571 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7572 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7573 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7574 ia64_sched_finish_global): New static functions to implement
7575 hooks from gcc_target.sched.
7576 (spec_check_no, max_uid, pending_data_specs): New static variables.
7577 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7578 ia64_spec_check_src_p): New static functions.
7579 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7580 (TARGET_SCHED_ADJUST_COST): Removed.
7581 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7582 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7583 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7584 TARGET_SCHED_GEN_CHECK,
7585 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7586 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7587 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7588 Fixed to handle speculation checks.
7589 (rtx_needs_barrier): Fixed to handle speculative loads and
7591 (ia64_variable_issue): Added code to count speculative loads and their
7593 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7595 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7597 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7599 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7600 (ia64_reorg): Reset stops_p to NULL after it is freed.
7601 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7602 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7603 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7605 (data_speculative, control_speculative, check_load): New attributes.
7606 (mov<mode>_advanced, mov<mode>_speculative,
7607 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7608 zero_extend<mode>di2_speculative,
7609 zero_extend<mode>di2_speculative_advanced): New patterns for
7610 data and control speculative loads.
7611 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7613 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7614 New pattern for data and control speculation checks.
7615 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7616 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7617 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7618 Auxiliary definitions for the patterns.
7619 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7620 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7622 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7624 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7625 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7626 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7627 New resource constraints.
7628 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7630 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7631 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7632 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7633 msched-in-control-spec, msched-ldc, msched-control-ldc,
7634 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7635 msched-prefer-non-control-spec-insns,
7636 msched-count-spec-in-critical-path): New flags to tune speculative
7638 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7639 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7640 msched-in-control-spec, msched-ldc, msched-control-ldc,
7641 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7642 msched-prefer-non-control-spec-insns,
7643 msched-count-spec-in-critical-path): Document new flags.
7645 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7647 * target.h (struct spec_info_def): New opaque declaration.
7648 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7649 speculate_insn, needs_block_p, gen_check,
7650 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7651 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7652 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7653 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7654 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7655 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7657 (TARGET_SCHED): Use new macros.
7658 * rtl.h (copy_DEPS_LIST_list): New prototype.
7659 * sched-int.h (struct sched_info): Change signature of new_ready field,
7660 adjust all initializations. New fields: add_remove_insn,
7661 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7662 region_head_or_leaf_p.
7663 (struct spec_info_def): New structure declaration.
7664 (spec_info_t): New typedef.
7665 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7666 recovery_block, orig_pat.
7667 (glat_start, glat_end): New variables declaraions.
7668 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7670 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7671 DETACH_LIFE_INFO, USE_GLAT.
7672 (enum SPEC_SCHED_FLAGS): New enumeration.
7673 (NOTE_NOTE_BB_P): New macro.
7674 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7675 attach_life_info, debug_spec_status, check_reg_live): New functions.
7676 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7677 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7679 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7680 * ddg.c (get_block_head_tail): Adjust all uses.
7681 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7682 (sms_sched_info): Initialize new fields.
7683 (contributes_to_priority): Removed.
7684 * haifa-sched.c (params.h): New include.
7685 (get_block_head_tail): Adjust all uses.
7686 (ISSUE_POINTS): New macro.
7687 (glat_start, glat_end): New global variables.
7688 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7689 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7690 old_last_basic_block, before_recovery, current_sched_info_var,
7691 rgn_n_insns, luid): New static variables.
7692 (insn_cost1): New function. Move logic from insn_cost to here.
7693 (find_insn_reg_weight1): New function. Move logic from
7694 find_insn_reg_weight to here.
7695 (reemit_notes, move_insn, max_issue): Change signature.
7696 (move_insn1): Removed.
7697 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7698 extend_bb): New static functions to support extension of scheduler's
7700 (generate_recovery_code, process_insn_depend_be_in_spec,
7701 begin_speculative_block, add_to_speculative_block,
7702 init_before_recovery, create_recovery_block, create_check_block_twin,
7703 fix_recovery_deps): New static functions to support
7704 generation of recovery code.
7705 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7706 restore_bb_notes, move_block_after_check, move_succs): New static
7707 functions to support ebb scheduling.
7708 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7709 functions to support handling of register live information.
7710 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7711 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7712 add_jump_dependencies): New static functions.
7713 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7714 consistancy checking.
7715 (debug_spec_status): New function to call from debugger.
7716 (priority): Added code to handle speculation checks.
7717 (rank_for_schedule): Added code to distinguish speculative instructions.
7718 (schedule_insn): Added code to handle speculation checks.
7719 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7720 Fixed to handle ebbs.
7721 (move_insn): Added code to handle ebb scheduling.
7722 (max_issue): Added code to use ISSUE_POINTS of instructions.
7723 (choose_ready): Added code to choose between speculative and
7724 non-speculative instructions.
7725 (schedule_block): Added code to handle ebb scheduling and scheduling of
7726 speculative instructions.
7727 (sched_init): Initialize new variables.
7728 (sched_finish): Free new variables. Print statistics.
7729 (try_ready): Added code to handle speculative instructions.
7730 * lists.c (copy_DEPS_LIST_list): New function.
7731 * sched-deps.c (extend_dependency_caches): New function. Move logic
7732 from create_dependency_caches to here.
7733 (get_dep_weak, ds_merge): Make global.
7734 * genattr.c (main): Code to output prototype for
7735 dfa_clear_single_insn_cache.
7736 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7737 (output_dfa_clean_insn_cache_func): Code to output
7738 dfa_clear_single_insn_cache function.
7739 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7741 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7743 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7744 New static variables.
7745 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7746 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7748 (ebb_sched_info): Initialize new fields.
7749 (get_block_head_tail): Adjust all uses.
7750 (compute_jump_reg_dependencies): Fixed to use glat_start.
7751 (schedule_ebb): Code to remove unreachable last block.
7752 (schedule_ebbs): Added code to update register live information.
7753 * sched-rgn.c (region_sched_info): Initialize new fields.
7754 (get_block_head_tail): Adjust all uses.
7755 (last_was_jump): Removed. Adjust users.
7756 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7757 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7758 Implement new hooks.
7759 (check_dead_notes1): New static function.
7760 (struct region): New fields: dont_calc_deps, has_real_ebb.
7761 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7762 (BB_TO_BLOCK): Fixed to handle EBBs.
7763 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7764 (ebb_head): New static variable.
7765 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7766 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7768 (compute_dom_prob_ps): New assertion.
7769 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7770 global_live_at_start.
7771 (init_ready_list): New assertions.
7772 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7773 (new_ready): Add support for BEGIN_CONTROL speculation.
7774 (schedule_insns): Fixed code that updates register live information
7776 (schedule_region): Fixed to handle EBBs.
7777 (init_regions): Use extend_regions and check_dead_notes1.
7778 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7779 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7780 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7781 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7782 TARGET_SCHED_GEN_CHECK,
7783 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7784 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7785 * doc/invoke.texi (max-sched-insn-conflict-delay,
7786 sched-spec-prob-cutoff): Document.
7788 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7790 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7791 inter_tick, queue_index.
7792 (struct sched_info): Change signature of init_ready_list field.
7793 Adjust all initializations.
7794 (RESOLVED_DEPS): New access macro.
7795 (ready_add): Remove prototype.
7796 (try_ready): Add prototype.
7797 * sched-rgn.c (init_ready_list): Use try_ready.
7798 (schedule_region): Initialize
7799 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7800 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7801 (init_ready_list): Use try_ready.
7802 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7803 * lists.c (remove_list_elem): Remove `static'.
7804 (remove_free_INSN_LIST_elem): New function.
7805 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7806 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7807 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7809 (readyp): New variable.
7810 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7811 change_queue_index, resolve_dep): New static functions.
7812 (try_ready): New function. Adjust callers in sched-rgn.c and
7813 sched-ebb.c to use it instead of ready_add.
7814 (clock_var): Move at the begining of file.
7815 (rank_for_schedule): Fix typo.
7816 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7817 (ready_lastpos): Enforce assertion.
7818 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7820 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7821 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7822 (queue_to_ready): Use free_INSN_LIST_list.
7823 (early_queue_to_ready): Fix typo.
7824 (schedule_block): Init readyp. Move init_ready_list call after the
7825 initialization of clock_var. Fix error in rejecting insn by
7826 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7827 that previously corrected INSN_TICKs. Add code for handling
7829 (set_priorities): Fix typo.
7830 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7831 Clarify comment and code that keeps current_sched_info->next_tail
7834 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7836 * sched-rgn.c (extend_rgns): New static function.
7837 (find_rgns): Use it.
7838 (gather_region_statistics, print_region_statistics): New static
7840 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7841 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7843 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7844 Andrey Belevantsev <abel@ispras.ru>
7846 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7847 * lists.c (unused_deps_list): New variable.
7848 (free_list): Add assertions to verify the proper distinguishing
7849 between INSN_LISTs and DEPS_LISTs.
7850 (find_list_elem, remove_list_elem, remove_list_node): New static
7852 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7853 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7854 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7855 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7857 (free_INSN_LIST_node): Likewise.
7858 * modulo-sched.c (current_sched_info): Initialize flags field.
7859 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7860 * rtl.def (DEPS_LIST): Define.
7861 * rtl.h: Declare new functions from lists.c.
7862 * sched-deps.c (spec_dependency_cache): New static variable.
7863 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7864 (add_dependence): Change return type to void. Move the logic to ...
7865 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7866 (delete_all_dependences): Add comment about forward_dependency_cache.
7867 Handle spec_dependency_cache. Handle DEPS_LISTs.
7868 (fixup_sched_groups): Clarify the change of priority of output
7869 and anti dependencies.
7870 (sched_analyze_2): Adjust add_dependence calls to create data
7871 speculative dependence.
7872 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7873 Adjust all callers. Handle DEPS_LISTS.
7874 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7875 presence of speculation.
7876 (init_dependency_caches, free_dependency_caches):
7877 Handle spec_dependency_cache.
7878 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7879 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7880 New static functions.
7881 (add_or_update_back_dep, add_or_update_back_forw_dep,
7882 add_back_forw_dep, delete_back_forw_dep): New functions.
7883 * sched-int.h (ds_t, dw_t): New typedefs.
7884 (struct sched_info): Add new field flags.
7885 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7886 Prototype new sched-deps.c functions.
7887 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7888 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7889 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7890 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7891 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7892 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7894 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7896 * sched-rgn.c (current_sched_info): Initialize flags field.
7897 (schedule_insns): Initialize current_sched_info before the sched_init
7899 * sched-ebb.c (current_sched_info): Initialize flags field.
7900 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7901 Call add_or_update_back_dep instead of add_dependence.
7902 Create control speculative dependencies.
7903 (schedule_insns): Initialize current_sched_info before the sched_init
7906 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7908 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7910 (sh_fallback_frame_state): Likewise.
7912 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7914 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7915 Do switch on default_use_cxa_atexit.
7916 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7917 * config/darwin-crt3.o: New.
7918 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7919 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7920 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7922 * config/rs6000/t-darwin: Move crt2.o building to here.
7923 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7924 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7927 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7929 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7930 from '! xxx' to '!xxx' for coding-style conformance.
7931 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7932 (EXTRA_CONSTRAINT): Likewise.
7933 * config/vax/vax.md (four unnamed insns): Likewise.
7935 2006-03-15 Paul Brook <paul@codesourcery.com>
7937 * config/arm/arm.c (minipool_pad): New.
7938 (add_minipool_forward_ref): Include pool alignment padding in address
7940 (push_minipool_fix): Set minipool_pad.
7941 (minipool_pad): Ditto.
7943 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7945 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
7946 instead of GET_CODE() == MEM and REG_P() instead of
7948 (print_operand_address): Likewise.
7949 (vax_address_cost): Likewise.
7950 (vax_rtx_costs): Likewise.
7951 (vax_notice_update_cc): Likewise.
7952 (vax_output_int_add): Likewise.
7953 (INDEX_REGISTER_P): Likewise.
7954 (BASE_REGISTER_P): Likewise.
7955 (nonindexed_address_p): Likewise.
7956 (vax_mode_dependent_address_p): Likewise.
7957 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
7958 (PRINT_OPERAND): Likewise.
7959 * config/vax/vax.md (ashlsi3): Likewise.
7960 (ashlsi3): Likewise.
7961 (some more unnamed insns): Likewise.
7963 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
7965 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
7966 iterator-style macro.
7967 (mark_control_dependent_edges_necessary): Update the use of
7968 EXECUTE_IF_CONTROL_DEPENDENT.
7970 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
7972 * config/sh/predicates.md (cache_address_operand): Special.
7973 (ua_address_operand): Likewise.
7975 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
7977 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
7979 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
7981 2006-03-15 Andreas Schwab <schwab@suse.de>
7983 * gensupport.c (identify_predicable_attribute): Don't free p_false
7984 when it is still in use.
7986 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7988 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
7989 the default setting here.
7991 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
7993 * tree-pass.h (pass_cfg): Remove.
7994 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
7995 * passes.c (pass_cfg): Don't run it.
7997 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
7999 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8000 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8002 (stack_regs_mentioned): Update the uses of
8003 stack_regs_mentioned_data. Don't access the array beyond its
8005 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8006 Don't include gt-reg-stack.h.
8008 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8009 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8011 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8014 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8017 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8019 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8021 2006-03-14 Richard Guenther <rguenther@suse.de>
8023 PR tree-optimization/26672
8024 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8027 2006-03-14 Richard Guenther <rguenther@suse.de>
8029 PR tree-optimization/26667
8030 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8031 node for the callees. Always allow inlining if it will shrink
8034 2006-03-14 Richard Guenther <rguenther@suse.de>
8037 * builtins.c (get_pointer_alignment): Prefer alignment
8038 information from decls over that from types.
8040 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8043 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8045 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8047 * config/rs6000/rs6000.opt (mdlmzb): New option.
8048 (msched-prolog, msched-epilog): Use Var not Mask.
8049 * doc/invoke.texi (-mdlmzb): Document.
8050 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8052 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8053 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8055 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8057 PR rtl-optimization/25739
8058 * bt-load.c (augment_live_range): Free tos pointer.
8060 * gensupport.c (identify_predicable_attribute): Free
8062 * gcov.c (create_file_names): Free name pointer.
8064 2006-03-13 Roger Sayle <roger@eyesopen.com>
8067 * stmt.c (emit_case_nodes): Handle the case where the index is a
8068 CONST_INT, where the comparison mode is specified by the index type.
8070 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8072 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8075 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8077 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8078 (*branch_fp_inverted): Likewise.
8080 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8083 * omp-low.c (expand_omp_for_generic): Mark istart0
8084 and iend0 as addressable.
8086 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8088 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8090 2006-03-13 Jeff Law <law@redhat.com>
8092 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8093 virtual operands are interesting.
8094 (vrp_visit_stmt): Corresponding changes.
8096 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8098 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8100 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8101 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8102 * config/bfin/crti.S: Use it instead of __PIC__.
8103 * config/bfin/crtn.S: Likewise.
8105 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8106 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8108 Lose 'G' modifier for call operand.
8109 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8110 recognize 'G' modifier.
8112 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8115 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8116 * stmt.c (expand_case): Likewise.
8118 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8120 PR rtl-optimization/26254
8121 * loop-invariant.c (seq_insns_valid_p): New function.
8122 (move_invariant_reg): Only emit new code if it is valid.
8124 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8126 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8128 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8129 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8130 (commit_one_edge_insertion): Do not look for loop notes.
8132 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8134 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8135 flag_test_coverage out of loop.
8137 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8139 * final.c (shorten_branches): Remove outdated comment, and turn
8140 the if branch that guards it to continue.
8142 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8144 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8145 * cfgloop.h (struct loop): Remove unused fields.
8147 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8149 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8150 (-dL, -fdump-rtl-loop2): Update the dump file names
8152 * doc/invoke.texi: Update dump file names.
8154 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8156 * predict.c (estimate_probability): Remove.
8157 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8158 * basic-block.h (estimate_probability): Remove prototype.
8159 * passes.c (finish_optimization_passes): Dump branch prediction or
8160 profiling heuristics to the .profile tree dump.
8161 (init_optimization_passes): Unqueue pass_branch_prob.
8163 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8165 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8167 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8168 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8170 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8172 * function.h (frame_offset_overflow): Declare.
8173 * function.c (frame_offset_overflow): New function.
8174 (assign_stack_local_1): Call it to detect that the offset overflows.
8175 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8177 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8179 * config/sh/sh.c: Include alloc-pool.h.
8180 (label_ref_list_pool): New alloc pool.
8181 (label_ref_list_t): New type for lists of labels.
8182 (struct pool_node): Make wend a label_ref_list_t.
8183 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8185 (dump_table): Likewise.
8186 (sh_reorg): Set up the alloc pool before using add_constant and
8187 dump_table, and destroy it when finishing.
8189 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8191 * config/mips/mips.c: Remove redundant comment.
8193 2006-03-10 Jason Merrill <jason@redhat.com>
8196 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8197 the target was declared 'register'.
8199 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8201 * genpreds.c (write_insn_constraint_len): Change definition of
8202 insn_constraint_len to return size_t to match the declaration.
8204 2006-03-10 DJ Delorie <dj@redhat.com>
8206 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8208 (m32c_expand_insv): Fix test for an AND mask.
8210 2006-03-10 Richard Guenther <rguenther@suse.de>
8213 * builtins.c (get_pointer_alignment): Handle component
8214 references for field alignment.
8216 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8218 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8219 when building with libgloss.
8220 (sh*elf): Implement --without-fp option.
8221 (sh64-superh-linux*): Don't multilib.
8223 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8225 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8227 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8229 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8230 Set it when one of the replacement functions returned true.
8231 Return TODO_cleanup_cfg if cfgchanged is true.
8232 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8234 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8236 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8237 instead of gen_lowpart.
8239 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8241 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8243 (mips_output_order_conditional_branch): Declare.
8244 * config/mips/mips.h (MIPS_BRANCH): New macro.
8245 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8246 for the comparison. Use gen_condjump.
8247 (mips_output_conditional_branch): Rework interface to take the
8248 asm templates for a direct branch and the inverse of a direct branch.
8249 (mips_output_order_conditional_branch): New function.
8250 (mips_builtin_branch_and_move): New function.
8251 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8252 branch condition. Use gen_single_cc as the condition for
8253 __builtin_mips_upper_* or __builtin_mips_lower_*.
8254 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8255 Use VOIDmode for the branch condition.
8256 * config/mips/predicates.md (order_operator): New predicate.
8257 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8258 (branch_fp): Rename to...
8259 (*branch_fp): ...this. Remove mode from comparison operator.
8260 Use new mips_output_conditional_branch interface.
8261 (branch_fp_inverted): Rename to...
8262 (*branch_fp_inverted): ...this and update as for *branch_fp.
8263 (*branch_zero<mode>): Rename to...
8264 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8265 Use mips_output_order_conditional_branch. Only accept ordered
8267 (*branch_zero<mode>_inverted): Rename to...
8268 (*branch_order<mode>_inverted): ...this and update as for
8269 *branch_order<mode>.
8270 (*branch_equality<mode>): Accept zero as the second operand to
8271 the equality operator. Use the new mips_output_conditional_branch
8273 (*branch_equality<mode>_inverted): Likewise.
8274 (condjump): New expander.
8275 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8277 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8278 (bc1any2t, bc1any2f): Likewise.
8279 (single_cc): New expander.
8280 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8282 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8284 * doc/md.texi: Update documentation of MIPS constraints.
8285 * config/mips/constraints.md: New file.
8286 * config/mips/mips.md: Include it.
8287 * config/mips/mips.c (mips_char_to_class): Delete.
8288 (override_options): Don't initialize mips_char_to_class.
8289 * config/mips/mips.h (mips_char_to_class): Delete.
8290 (REG_CLASS_FROM_LETTER): Delete.
8291 (CONST_OK_FOR_LETTER_P): Delete.
8292 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8293 (EXTRA_CONSTRAINT_Y): Delete.
8294 (EXTRA_CONSTRAINT_STR): Delete.
8295 (CONSTRAINT_LEN): Delete.
8296 (EXTRA_MEMORY_CONSTRAINT): Delete.
8298 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8300 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8301 original fn's eh regions.
8303 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8305 * fold-const.c (build_range_check): Make sure to use a valid type to
8306 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8309 (range_predecessor): New static function.
8310 (range_successor): Likewise.
8311 (merge_ranges): Use them to compute predecessors and successors of
8314 2006-03-09 Roger Sayle <roger@eyesopen.com>
8317 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8318 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8320 2006-03-08 DJ Delorie <dj@redhat.com>
8322 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8323 (addpsi3): Expand to include memory operands. Remove
8324 reload-specific splits.
8325 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8326 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8327 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8328 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8329 (shift1_qi, shift1_hi, insv): New.
8330 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8331 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8332 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8334 * config/m32c/m32c-protos.h: Update as needed.
8335 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8336 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8337 Fail for unrecognized R* constraints.
8338 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8339 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8340 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8342 (m32c_init_libfuncs): New.
8343 (m32c_legitimate_address_p): Add debug wrapper.
8344 (m32c_rtx_costs): New.
8345 (m32c_address_cost): New.
8346 (conversions): Add 'B' prefix.
8347 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8348 operands, or word regnames for QI operands. 'B' prints bit
8350 (m32c_expand_setmemhi): New.
8351 (m32c_expand_movmemhi): New.
8352 (m32c_expand_movstr): New.
8353 (m32c_expand_cmpstr): New.
8354 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8355 (m32c_expand_neg_mulpsi3): Handle non-ints.
8356 (m32c_cmp_flg_0): New.
8357 (m32c_expand_movcc): New.
8358 (m32c_expand_insv): New.
8359 (m32c_scc_pattern): New.
8360 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8361 a0/a1 out of SIregs.
8362 (STORE_FLAG_VALUE): New.
8363 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8366 * config/m32c/mov.md: Make constraints more liberal.
8367 (zero_extendqihi2): Optimize r0/r1 case.
8368 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8369 * config/m32c/predicates.md (m32c_any_operand): New.
8370 (m32c_nonimmediate_operand): New.
8371 (m32c_hl_operand): New.
8372 (m32c_r3_operand): New.
8375 (memsym_operand): New.
8376 (memimmed_operand): New.
8377 (a_qi_operand): New.
8378 (m32c_eqne_operator): New.
8379 (m32c_1bit8_operand): New.
8380 (m32c_1bit16_operand): New.
8381 (m32c_1mask8_operand): New.
8382 (m32c_1mask16_operand): New.
8383 * config/m32c/blkmov.md: New file.
8384 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8386 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8388 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8389 unsigned to fix signed/unsigned comparison issue in
8390 DWARF2_FRAME_REG_OUT.
8391 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8392 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8394 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8395 of ptr into the ENABLE_CHECKING section.
8397 2006-03-08 Jeff Law <law@redhat.com>
8399 * tree-vrp.c (infer_value_range): Only count pointer uses
8400 and dereferences if -fdelete-null-pointer-checks is enabled.
8402 * tree-vrp.c (find_assert_locations): Infer value ranges for
8403 single use pointers, but do not create ASSERT_EXPRs for them.
8404 When a non-null range is inferred for a pointer, backwards
8405 propagate that range to other equivalent pointers through the
8408 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8411 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8412 language hook targets.
8413 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8414 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8415 if language hook targets were missing.
8417 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8419 * tree-ssa-opfinalize.h: Removed.
8420 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8422 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8423 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8424 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8425 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8426 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8427 finalize_ssa_v_must_def_ops): New.
8429 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8431 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8434 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8436 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8438 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8439 addresses with offsets; reorganize.
8441 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8442 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8443 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8445 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8448 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8450 2006-03-08 Ben Elliston <bje@au.ibm.com>
8452 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8454 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8457 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8460 2006-03-07 Richard Guenther <rguenther@suse.de>
8462 PR tree-optimization/26587
8463 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8465 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8467 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8469 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8471 * hooks.c (hook_bool_mode_rtx_true): New function.
8472 * hooks.h (hook_bool_mode_rtx_true): Declare.
8473 * toplev.c (compile_file): Call output_shared_constant_pool.
8474 * varasm.c (shared_constant_pool): New variable.
8475 (assemble_start_function, assemble_end_function): Remove arguments
8476 from call to output_constant_pool.
8477 (create_constant_pool): New function, split out from...
8478 (init_varasm_status): ...here.
8479 (force_const_mem): Choose between the shared and per-function constant
8480 pools. Set current_function_uses_const_pool when reusing old entries
8481 as well as when creating new ones.
8482 (mark_constant): Ignore data argument.
8483 (mark_constants): Remove pool argument.
8484 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8485 to decide whether the function uses a constant pool.
8486 (output_constant_pool_contents): New function, split out from...
8487 (output_constant_pool): ...here.
8488 (output_shared_constant_pool): New function.
8489 (init_varasm_once): Initialize shared_constant_pool.
8490 * output.h (output_constant_pool): Delete.
8491 (output_shared_constant_pool): Declare.
8492 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8493 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8495 2006-03-06 Nick Clifton <nickc@redhat.com>
8497 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8498 flag_strength_reduce.
8500 2006-03-06 Ben Elliston <bje@au.ibm.com>
8502 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8503 x86_64-*-linux* configurations.
8505 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8506 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8508 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8510 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8512 * basic-block.h: Remove the extern for
8513 rediscover_loops_after_threading.
8515 * cfgloop.c (cancel_loop): Make it static.
8516 * cfgloop.h: Remove the prototype for cancel_loop.
8518 * flow.c (recompute_reg_usage): Make it static.
8519 * rtl.h: Remove the prototype for recompute_reg_usage.
8521 * function.c (use_return_register): Make it static.
8522 * function.h: Remove the prototype.
8524 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8526 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8528 * recog.h: Remove the prototype for
8529 validate_change_maybe_volatile.
8531 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8533 * rtlanal.c (replace_reg): Remove.
8534 * rtl.h: Remove the prototype for replace_reg.
8536 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8538 * regclass.c (reg_scan_update): Remove.
8539 (reg_scan_mark_refs): Remove the last argument.
8540 * rtl.h: Remove the prototype for reg_scan_update.
8542 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8544 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8545 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8546 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8547 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8548 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8549 loop-invariant.c, omp-low.c, opts.c, passes.c,
8550 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8551 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8552 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8553 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8554 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8555 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8557 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8559 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8560 * dwarf2out.h: Remove the prototype for
8561 dwarf2out_add_library_unit_info.
8563 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8565 * tree.c (add_var_to_bind_expr): Remove.
8566 * tree.h: Remove the prototype for add_var_to_bind_expr.
8568 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8570 * regclass.c (n_non_fixed_regs): Remove.
8571 (init_reg_sets_1, globalize_reg): Remove all uses of
8573 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8575 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8577 * rtlanal.c (insns_safe_to_move_p): Remove.
8578 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8580 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8582 * expmed.c (expand_mult_add): Remove.
8583 * expr.h: Remove the prototype for expand_mult_add.
8585 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8587 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8588 and REG_SAVED_VAL_EXP constants.
8589 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8590 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8591 Handle regs stored by value.
8592 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8593 (execute_cfa_program): Handle DW_CFA_val_offset,
8594 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8595 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8596 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8597 (uw_install_context_1): Handle target regs stored by value.
8599 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8601 * tree-sra.c (tree_sra): Return todoflags;
8602 (generate_one_element): Set TODO_update_smt_usage if needed.
8603 (pass_sra): Remove TODO_update_smt_usage.
8604 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8606 (tree_ssa_forward_propagate_single_use_vars): Return
8607 TODO_update_smt_usage if we need to update SMT usage.
8608 (pass_forwprop): Remove TODO_update_smt_usage.
8610 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8612 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8613 (correct_use_link): Remove reference to get_stmt_operands.
8614 (update_stmt_operands): Likewise.
8615 (get_modify_expr_operands): New function factored out of
8616 parse_ssa_operands and get_expr_operands.
8617 Try to create V_MUST_DEFs for LHS by default.
8618 (get_expr_operands) <case MODIFY_EXPR>: Call
8619 get_modify_expr_operands.
8620 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8621 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8622 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8623 get_modify_expr_operands.
8625 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8627 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8628 * tree-flow.h: Remove the prototype for
8629 referenced_var_lookup_if_exists.
8631 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8633 PR rtl-optimization/26345
8635 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8637 2006-03-03 Roger Sayle <roger@eyesopen.com>
8639 PR tree-optimization/26524
8640 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8641 fold_convert to create a constant of the appropriate type.
8643 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8645 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8646 SYMBOL_REF_IN_BLOCK_P.
8647 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8648 of SYMBOL_FLAG_IN_BLOCK.
8649 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8650 instead of SYMBOL_REF_IN_BLOCK_P.
8651 * explow.c (use_anchored_address): Likewise.
8652 * rtl.c (rtx_size): Likewise.
8653 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8654 instead of SYMBOL_FLAG_IN_BLOCK.
8655 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8656 SYMBOL_REF_IN_BLOCK_P.
8657 (assemble_variable): Likewise.
8658 (output_constant_def_contents): Likewise.
8659 (output_constant_pool): Likewise.
8660 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8661 instead of SYMBOL_FLAG_IN_BLOCK.
8662 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8663 SYMBOL_REF_IN_BLOCK_P.
8664 (SYMBOL_REF_BLOCK): Likewise.
8665 (SYMBOL_REF_OFFSET): Likewise.
8666 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8667 SYMBOL_REF_IN_BLOCK_P.
8668 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8669 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8670 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8671 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8673 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8675 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8677 2006-03-02 Roger Sayle <roger@eyesopen.com>
8679 * simplify-rtx.c (simplify_unary_operation): When simplifying
8680 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8681 that we perform the right shift in the appropriate mode, and
8682 then extend or truncate the result to requested mode.
8684 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8686 * gengtype.c (main): Handle double_int type.
8687 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8688 * double-int.c: New file.
8689 * double-int.h: New file.
8690 * system.h: Include doubleint.h.
8691 * Makefile.in (SYSTEM_H): Include double-int.h.
8692 (double-int.o): Add.
8694 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8697 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8700 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8702 * tree-vrp.c (remove_range_assertions): Do not update statements
8705 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8707 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8709 * gcse.c (rest_of_handle_gcse): Ditto.
8710 * except.c (gate_handle_eh): Ditto.
8711 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8712 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8714 2006-03-02 Eric Christopher <echristo@apple.com>
8716 * config/i386/i386.c (machopic_output_stub): Add indirection to
8719 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8723 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8725 Sun Niagara specific optimizations.
8726 * config.gcc: Recognize niagara as target.
8727 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8728 (TARGET_CPU_niagara): Define.
8729 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8730 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8731 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8732 (ASM_CPU_SPEC): Likewise.
8733 (PROCESSOR_NIAGARA): New enum entry.
8734 (REGISTER_MOVE_COST): Handle Niagara.
8735 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8736 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8737 (sparc_override_options): Recognize "niagara", set appropriate
8738 default MASK_* values for it, and align functions to 32-bytes
8739 by default just like ULTRASPARC/ULTRASPARC3.
8740 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8741 (sparc64_initialize_trampoline): Likewise.
8742 (sparc_use_sched_lookahead): Use zero for niagara.
8743 (sparc_issue_rate): Use one for niagara.
8744 * config/sparc/niagara.md: New file.
8745 * config/sparc/sparc.md: Include it.
8746 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8747 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8748 when default cpu is niagara.
8749 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8750 (ASM_CPU_SPEC): Likewise.
8751 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8752 when default cpu is niagara.
8753 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8754 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8755 just like v9/ultrasparc/ultrasparc3.
8756 * doc/invoke.texi: Add documentation for "niagara" and improve
8757 existing documentation for ultrasparc variants.
8759 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8761 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8763 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8765 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8766 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8767 and say that only one is needed.
8768 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8769 * target.h (have_switchable_bss_sections): New hook.
8770 * explow.c (use_anchored_address): Check that the symbol is in a block.
8771 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8772 (bss_noswitch_section): New variables.
8773 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8774 (get_noswitch_section): New function.
8775 (get_block_for_section): Allow SECT to be null.
8776 (unlikely_text_section_p): Use SECTION_STYLE.
8777 (bss_initializer_p): New function.
8778 (get_variable_section): Move earlier in file. Take a new argument,
8779 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8780 Return one of the new *_sections in such cases.
8781 (get_block_for_decl): New function, extracting some logic from
8782 use_blocks_for_decl_p.
8783 (change_symbol_section): Remove in favor of...
8784 (change_symbol_block): ...this new function.
8785 (use_blocks_for_decl_p): Remove checks now performed by
8787 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8788 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8789 (emit_local, emit_bss, emit_common): ...these new functions.
8790 Return true if the alignment was honored.
8791 (emit_tls_common): New function.
8792 (asm_emit_uninitialised): Delete.
8793 (assemble_variable_noswitch): New function, split out from...
8794 (assemble_variable): ...here. Don't make decisions about common
8795 variables here. Globalize all public decls that go into non-common
8796 sections. Check whether SYMBOL_REF_BLOCK is null.
8797 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8798 (output_constant_pool): Likewise.
8799 (init_varasm_once): Initialize the new section variables.
8800 (have_global_bss_p): New function.
8801 (categorize_decl_for_section): Use bss_initializer_p.
8802 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8803 (place_block_symbol): Assert that the symbol must be in a block.
8804 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8805 (TARGET_INITIALIZER): Include it.
8806 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8807 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8808 (SECTION_MACH_DEP): Bump by two.
8809 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8810 (unnamed_section): Mention SECTION_UNNAMED in comment.
8811 (named_section): Likewise SECTION_NAMED.
8812 (noswitch_section_callback): New type.
8813 (noswitch_section): New structure.
8814 (section): Add a noswitch_section alternative.
8815 (SECTION_STYLE): New macro.
8816 (tls_comm_section, comm_section, lcomm_section): Declare.
8817 (bss_noswitch_section, have_global_bss_p): Declare.
8818 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8819 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8821 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8822 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8825 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8827 * tree-vrp.c (execute_vrp): Return value.
8828 * regrename.c (rest_of_handle_regrename): Ditto.
8829 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8830 * tree-complex.c (tree_lower_complex): Ditto.
8831 (tree_lower_complex_O0): Ditto.
8832 * tracer.c (rest_of_handle_tracer): Ditto.
8833 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8834 * postreload.c (rest_of_handle_postreload): Ditto.
8835 * tree-tailcall.c (execute_tail_recursion): Ditto.
8836 (execute_tail_calls): Ditto.
8837 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8838 * tree.h (init_function_for_compilation): Ditto.
8839 * ipa-cp.c (ipcp_driver): Ditto.
8840 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8841 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8842 * final.c (compute_alignments): Ditto.
8843 (rest_of_handle_final): Ditto.
8844 (rest_of_handle_shorten_branches): Ditto.
8845 (rest_of_clean_state): Ditto.
8846 * omp-low.c (execute_expand_omp): Ditto.
8847 (execute_lower_omp): Ditto.
8848 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8849 * ipa-reference.c (static_execute): Ditto.
8850 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8851 * reorg.c (rest_of_handle_delay_slots): Ditto.
8852 (rest_of_handle_machine_reorg): Ditto.
8853 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8854 * flow.c (recompute_reg_usage): Ditto.
8855 (rest_of_handle_remove_death_notes): Ditto.
8856 (rest_of_handle_life): Ditto.
8857 (rest_of_handle_flow2): Ditto.
8858 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8859 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8860 (do_ssa_store_ccp): Ditto.
8861 (execute_fold_all_builtins): Ditto.
8862 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8863 * modulo-sched.c (rest_of_handle_sms): Ditto.
8864 * ipa-pure-const.c (static_execute): Ditto.
8865 * cse.c (rest_of_handle_cse): Ditto.
8866 (rest_of_handle_cse2): Ditto.
8867 * web.c (rest_of_handle_web): Ditto.
8868 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8869 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8870 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8871 * tree-nrv.c (tree_nrv): Ditto.
8872 (execute_return_slot_opt): Ditto.
8873 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8874 (create_structure_vars): Ditto.
8875 * loop-init.c (rtl_loop_init): Ditto.
8876 (rtl_loop_done): Ditto.
8877 (rtl_move_loop_invariants): Ditto.
8878 (rtl_unswitch): Ditto.
8879 (rtl_unroll_and_peel_loops): Ditto.
8880 (rtl_doloop): Ditto.
8881 * gimple-low.c (lower_function_body): Ditto.
8882 (mark_used_blocks): Ditto.
8883 * tree-ssa-sink.c (execute_sink_code): Ditto.
8884 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8885 (cgraph_early_inlining): Ditto.
8886 * global.c (rest_of_handle_global_alloc): Ditto.
8887 * jump.c (cleanup_barriers): Ditto.
8888 (purge_line_number_notes): Ditto.
8889 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8890 (rest_of_handle_if_after_reload): Ditto.
8891 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8892 (tree_ssa_loop_im): Ditto.
8893 (tree_ssa_loop_unswitch): Ditto.
8894 (tree_vectorize): Ditto.
8895 (tree_linear_transform): Ditto.
8896 (tree_ssa_loop_ivcanon): Ditto.
8897 (tree_ssa_empty_loop): Ditto.
8898 (tree_ssa_loop_bounds): Ditto.
8899 (tree_complete_unroll): Ditto.
8900 (tree_ssa_loop_prefetch): Ditto.
8901 (tree_ssa_loop_ivopts): Ditto.
8902 (tree_ssa_loop_done): Ditto.
8903 * predict.c (tree_estimate_probability): Ditto.
8904 * recog.c (split_all_insns_noflow): Ditto.
8905 (rest_of_handle_peephole2): Ditto.
8906 (rest_of_handle_split_all_insns): Ditto.
8907 * tree-eh.c (lower_eh_constructs): Ditto.
8908 * regmove.c (rest_of_handle_regmove): Ditto.
8909 (rest_of_handle_stack_adjustments): Ditto.
8910 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8911 * function.c (instantiate_virtual_regs): Ditto.
8912 (init_function_for_compilation): Ditto.
8913 (rest_of_handle_check_leaf_regs): Ditto.
8914 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8915 (rest_of_handle_gcse): Ditto.
8916 * ipa-type-escape.c (type_escape_execute): Ditto.
8917 * alias.c (rest_of_handle_cfg): Ditto.
8918 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8919 * profile.c (rest_of_handle_branch_prob): Ditto.
8920 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8921 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8922 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8923 * tree-dfa.c (find_referenced_vars): Ditto.
8924 * except.c (set_nothrow_function_flags): Ditto.
8925 (convert_to_eh_region_ranges): Ditto.
8926 (rest_of_handle_eh): Ditto.
8927 * emit-rtl.c (unshare_all_rtl): Ditto.
8928 (remove_unnecessary_notes): Ditto.
8929 * except.h (set_nothrow_function_flags): Ditto.
8930 (convert_to_eh_region_ranges): Ditto.
8931 * cfgexpand.c (tree_expand_cfg): Ditto.
8932 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8933 * tree-ssa-pre.c (do_pre): Ditto.
8934 (execute_fre): Ditto.
8935 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8936 (rest_of_handle_jump2): Ditto.
8937 * tree-sra.c (tree_sra): Ditto.
8938 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8939 (execute_mudflap_function_decls): Ditto.
8940 * tree-ssa-copy.c (do_copy_prop): Ditto.
8941 (do_store_copy_prop): Ditto.
8942 * ipa-prop.h (ipcp_driver): Ditto.
8943 * cfglayout.c (insn_locators_initialize): Ditto.
8944 * tree-ssa-forwprop.c
8945 (tree_ssa_forward_propagate_single_use_vars): Ditto.
8946 * cfglayout.h (insn_locators_initialize): Ditto.
8947 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
8948 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
8949 (execute_late_warn_uninitialized): Ditto.
8950 * rtl.h (cleanup_barriers): Ditto.
8951 (split_all_insns_noflow): Ditto.
8952 (purge_line_number_notes): Ditto.
8953 (unshare_all_rtl): Ditto.
8954 (remove_unnecessary_notes): Ditto.
8955 (recompute_reg_usage): Ditto.
8956 (variable_tracking_main): Ditto.
8957 * integrate.c (emit_initial_value_sets): Ditto.
8958 * integrate.h (emit_initial_value_sets): Ditto.
8959 * tree-optimize.c (execute_free_datastructures): Ditto
8960 (execute_free_cfg_annotations): Ditto.
8961 (execute_fixup_cfg): Ditto.
8962 (execute_cleanup_cfg_pre_ipa): Ditto.
8963 (execute_cleanup_cfg_post_optimizing): Ditto.
8964 (execute_init_datastructures): Ditto.
8965 * tree-object-size.c (compute_object_sizes): Ditto.
8966 * combine.c (rest_of_handle_combine): Ditto.
8967 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
8968 * bb-reorder.c (duplicate_computed_gotos): Ditto.
8969 (rest_of_handle_reorder_blocks): Ditto.
8970 (rest_of_handle_partition_blocks): Ditto.
8971 * var-tracking.c (variable_tracking_main): Ditto.
8972 * tree-profile.c (tree_profiling): Ditto.
8973 * tree-vect-generic.c (expand_vector_operations): Ditto.
8974 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
8975 * sched-rgn.c (rest_of_handle_sched): Ditto.
8976 (rest_of_handle_sched2): Ditto.
8977 * basic-block.h (free_bb_insn): Ditto.
8978 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
8979 * tree-cfg.c (execute_build_cfg): Ditto.
8980 (remove_useless_stmts): Ditto.
8981 (split_critical_edges): Ditto.
8982 (execute_warn_function_return): Ditto.
8983 (execute_warn_function_noreturn): Ditto.
8984 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
8985 * cfgrtl.c (free_bb_for_insn): Ditto.
8986 * passes.c (execute_one_pass): Run additional
8987 todos returned by execute function.
8988 * tree-pass.h (struct tree_opt_pass): Make execute
8991 2006-03-02 Richard Guenther <rguenther@suse.de>
8993 * tree-ssa-alias.c (find_used_portions): Consider taking
8994 the address as making the variable not write-only.
8996 2006-03-02 Nick Clifton <nickc@redhat.com>
8998 * config.gcc (default_use_cxa_atexit): Extend the description of
8999 this configure variable. Set its default value to "yes" for
9000 Linux, NetBSD and ELF targets on the assumption that they will
9001 use C libraries with the __cxa_atexit function.
9003 2006-03-02 Ben Elliston <bje@au.ibm.com>
9005 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9006 parameter as unused to suppress a build warning.
9008 2006-03-02 Ben Elliston <bje@au.ibm.com>
9010 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9013 2006-03-01 Roger Sayle <roger@eyesopen.com>
9016 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9017 declared name, the weak reference name, and the typeof name.
9018 (__gthrw): Avoid expanding the declared name suffix.
9019 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9021 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9023 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9025 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9026 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9027 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9028 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9029 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9030 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9031 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9032 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9033 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9034 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9035 (DW_END_default, DW_END_big, DW_END_little): New.
9036 (DW_END_lo_user, DW_END_hi_user): Define.
9037 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9038 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9039 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9042 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9044 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9046 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9048 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9050 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9052 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9053 to 'symbol_mem_tag'.
9055 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9058 2006-03-01 Roger Sayle <roger@eyesopen.com>
9060 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9062 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9065 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9066 MACHO_DYNAMIC_NO_PIC_P.
9067 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9069 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9072 * config/darwin-protos.h (darwin_asm_output_anchor):
9074 * config/darwin-sections.def (cstring_section):
9075 Add SECTION_MERGE to the flags.
9076 (literal4_section): Likewise.
9077 (literal8_section): Likewise.
9078 (objc_selector_refs_section): Likewise.
9079 (objc_cls_refs_section): Likewise.
9080 * config/darwin.c (darwin_asm_output_anchor): New
9082 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9084 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9086 Fix PR tree-optimization/26443
9087 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9088 to todo and PROP_tmt_usage to properties_destroyed.
9089 * tree-ssa-ccp.c (pass_ccp): Ditto.
9090 (pass_store_ccp): Ditto.
9091 * tree-ssa-dom.c (pass_dominator): Ditto.
9093 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9095 * tree-ssa-operands.c: Cleanup whitespace.
9096 (get_asm_expr_operands): Move before first invocation.
9097 (get_indirect_ref_operands): Likewise.
9098 (get_tmr_operands): Likewise.
9099 (get_call_expr_operands): Likewise.
9100 (append_def): Likewise.
9101 (append_use): Likewise.
9102 (append_v_may_def): Likewise.
9103 (append_v_must_def): Likewise.
9104 (add_call_clobber_ops): Likewise.
9105 (add_call_read_ops): Likewise.
9106 (add_stmt_operand): Likewise.
9107 (add_virtual_operand): Likewise.
9108 (build_ssa_operands): Likewise.
9110 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9115 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9116 with a call expr to ...
9117 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9119 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9121 * tree-vrp.c (extract_range_from_assert): Remove special
9122 handling for types with super-types.
9124 2006-03-01 Ben Elliston <bje@au.ibm.com>
9126 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9127 and powerpc64-*-linux* configurations.
9128 * config/t-dfprules: New file.
9130 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9131 Compile dfp-bit.c from the source directory using -DWIDTH and
9132 $DFP_CFLAGS to control the compilation of that file, rather than
9133 generating width-specific versions in the build directory.
9134 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9135 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9137 2006-02-28 Zack Weinberg <zackw@panix.com>
9139 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9142 2006-02-28 Eric Christopher <echristo@apple.com>
9144 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9145 Set up IN_LIBGCC definition of TARGET_64BIT.
9146 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9148 2006-02-28 Roger Sayle <roger@eyesopen.com>
9151 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9152 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9153 cases via the construction of "expr != 0".
9155 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9157 * alias.c (alias_invariant, alias_invariant_size): Remove.
9158 (record_base_value): Remove.
9159 (memrefs_conflict_p): Don't look at alias_invariant.
9160 (end_alias_analysis): Don't free it.
9161 * alias.h (record_base_value): Remove prototype.
9163 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9164 Adam Nemet <anemet@caviumnetworks.com>
9166 * rtl.h (truncated_to_mode): Declare it.
9167 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9168 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9169 (RTL_HOOKS_INITIALIZER): Include it.
9170 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9171 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9172 reg_truncated_to_mode.
9173 * rtlanal.c (truncated_to_mode): Define it.
9174 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9176 2006-02-28 Jeff Law <law@redhat.com>
9178 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9179 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9180 the range allowed by TYPE_PRECISION.
9182 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9184 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9186 PR tree-optimization/26419
9187 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9190 2006-02-27 Zack Weinberg <zackw@panix.com>
9192 * doc/md.texi: Fix typo in previous change.
9194 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9198 2006-02-27 Zack Weinberg <zackw@panix.com>
9200 * rtl.def (define_constraint, define_register_constraint)
9201 (define_memory_constraint, define_address_constraint): New MD forms.
9202 * gensupport.c (process_rtx): Put define_constraint etc on the
9204 * genpreds.c (process_define_predicate): Adjust comment. Validate
9205 the name, and call validate_exp to validate the expression.
9206 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9207 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9208 all callers changed.
9209 (validate_exp, needs_variable, struct constraint_data)
9210 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9211 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9212 (const_dbl_constraints, constraint_max_namelen)
9213 (have_register_constraints, have_memory_constraints)
9214 (have_address_constraints, have_address_constraints)
9215 (have_extra_constraints, have_const_int_constraints)
9216 (have_const_dbl_constraints, mangle, add_constraint)
9217 (process_define_constraint, process_define_register_constraint)
9218 (write_enum_constraint_num, write_lookup_constraint)
9219 (write_insn_constraint_len, write_regclass_for_constraint)
9220 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9221 (write_insn_extra_memory_constraint)
9222 (write_insn_extra_address_constraint)
9223 (write_satisfies_constraint_fns): New.
9224 (write_tm_preds_h): If we have new-style constraint definitions,
9225 prototype the functions generated from them, and define the
9226 old constraint interface (still used by generic code) in terms of
9228 (write_insn_preds_c): If we have new-style constraint definitions,
9229 generate all relevant functions from those definitions.
9230 (main): Handle define_constraint etc.
9231 * genoutput.c (struct constraint_data, indep_constraints)
9232 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9233 (mdep_constraint_len): New data structures and functions, defined
9234 #ifdef USE_MD_CONSTRAINTS.
9235 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9236 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9237 use new logic to validate operand constraints against constraint
9239 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9241 * defaults.h: If none of the old-style constraint macros are
9242 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9243 old-style macros; and poison REG_CLASS_FROM_LETTER,
9244 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9246 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9247 * doc/md.texi: Document new constraint-definition mechanism and the
9248 C interface it provides. Remove references to old mechanism
9249 elsewhere in the document.
9250 (Machine Constraints): Use pathnames relative to gcc directory,
9251 i.e. config/ARCH/FILE. Change i386 section to refer to
9252 config/i386/predicates.md; update that section to match docstrings.
9253 * doc/tm.texi: Move all documentation of the old constraint-
9254 definition macros to their own section, clearly mark as obsolete.
9256 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9257 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9259 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9260 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9261 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9263 (splits and peepholes): Use satisfies_constraint_*.
9264 * config/i386/i386.c (memory_address_length)
9265 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9267 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9269 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9270 scalar operation to be put back into the loop.
9272 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9275 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9276 (extract_cie_info): Handle S flag in augmentation string.
9277 (execute_cfa_program): If context->signal_frame, execute also
9278 fs->pc == context->ra instructions.
9279 (uw_frame_state_for): If context->signal_frame, don't subtract one
9280 from context->ra to find FDE.
9281 (uw_update_context_1): Set context->signal_frame to
9283 (_Unwind_GetIPInfo): New function.
9284 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9285 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9287 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9288 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9289 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9290 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9291 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9292 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9293 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9294 x86_64_fallback_frame_state): Set fs->signal_frame.
9295 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9296 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9297 (frob_update_context): Likewise. Workaround missing S flag in
9298 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9299 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9300 Remove the psw_addr + 1 hack.
9302 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9304 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9305 with aggregates here.
9306 (find_func_aliases): Remove code for &<aggregate> from here.
9308 2006-02-26 Roger Sayle <roger@eyesopen.com>
9310 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9311 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9312 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9315 2006-02-26 Roger Sayle <roger@eyesopen.com>
9318 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9320 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9322 * opts.c (decode_options): Do not handle flag_strength_reduce.
9323 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9324 and OPT_fstrength_reduce.
9325 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9326 flag_prefetch_loop_arrays for being nonzero.
9327 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9329 (fprefetch-loop-arrays-rtl): Removed.
9330 (flag_prefetch_loop_arrays): Do not specify the value.
9332 * doc/passes.texi: Update documentation of loop optimizer
9334 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9335 -frerun-loop-opt): Remove.
9337 2006-02-26 Richard Guenther <rguenther@suse.de>
9339 PR tree-optimization/26421
9340 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9341 in function calls that are ADDR_EXPRs as using the whole structure.
9343 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9345 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9346 * tree-pass.h (pass_loop_optimize): Remove.
9347 * passes.c (pass_loop_optimize): Never run it.
9348 * toplev.c (backend_init): Don't call init_loop.
9349 * opts.c (flag_loop_optimize_set): Remove.
9350 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9351 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9352 the old RTL loop optimizer when profiling enabled.
9353 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9354 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9355 pre-headers for the sake of the old RTL loop optimizer.
9356 * Makefile.in: Remove all references to loop.o.
9358 * doc/invoke.texi: Remove all references to -floop-optimize
9359 and -frerun-loop-opt.
9361 2006-02-26 Zack Weinberg <zackw@panix.com>
9363 * doc/md.texi (Machine Constraints): Refer to all files with paths
9364 relative to gcc directory (i.e. config/CPU/file). Add missing
9365 @table @code ... @end table to M32C subsection.
9367 2006-02-26 Roger Sayle <roger@eyesopen.com>
9369 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9371 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9373 2006-02-26 Roger Sayle <roger@eyesopen.com>
9374 James A. Morrison <phython@gcc.gnu.org>
9377 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9378 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9379 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9380 signedness of the shift operation.
9382 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9384 PR tree-optimization/26359
9385 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9387 2006-02-25 Roger Sayle <roger@eyesopen.com>
9389 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9390 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9391 as X == 0, and some symmetry related transformations.
9392 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9394 2006-02-25 Roger Sayle <roger@eyesopen.com>
9397 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9398 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9399 symmetry related transformations. Fold (X^C1) == C2 as
9402 2006-02-25 Juergen Weigert <jw@suse.de>
9403 Richard Guenther <rguenther@suse.de>
9405 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9407 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9409 * combine.c (gen_lowpart_or_truncate): Call
9410 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9412 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9414 * doc/invoke.texi: Move -fopenmp description to "Options for
9416 Remove reference to -lgomp.
9418 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9420 * doc/install.texi: Require GNU tar version 1.14.
9422 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9424 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9425 * doc/invoke.texi (C++ Dialect Options): Document
9426 -fno-use-cxa-get-exception-ptr.
9427 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9428 * configure: Regenerate.
9429 * c.opt (fuse-cxa-get-exception-ptr): New.
9430 * c-opts.c (c_common_handle_option): Handle
9431 OPT_fuse_cxa_get_exception_ptr.
9432 * c-common.c (flag_use_cxa_atexit): Update documentation.
9433 (flag_use_cxa_get_exception_ptr): New.
9434 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9435 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9437 (C_COMMON_OVERRIDE_OPTIONS): New.
9439 2006-02-24 Roger Sayle <roger@eyesopen.com>
9442 * combine.c (try_combine): Explicitly check whether GET_CODE is
9443 a SET or a CLOBBER, instead on checking that it isn't a USE.
9445 2006-02-24 Roger Sayle <roger@eyesopen.com>
9447 * fold-const.c (fold_comparison): New subroutine of fold_binary
9448 containing transformations common to both the equality and
9449 ordering relational operators, factored out of fold_binary.
9450 (fold_binary): Separate out the equality operators (EQ_EXPR
9451 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9452 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9453 transformations common to both.
9454 (fold_div_compare): Fix latent bugs in the previously unreachable
9455 LT_EXPR and GE_EXPR cases.
9457 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9459 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9460 decl libname for clog to __clog on AIX.
9462 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9464 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9467 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9468 output traceback table for thunks. Localise rs6000_stack_info call.
9470 2006-02-23 Roger Sayle <roger@eyesopen.com>
9471 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9473 * gthr-posix.h (__gthrw): Fix typo in comment.
9475 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9477 * doc/cpp.texi (Character sets): Document that we do support
9478 input files to be in any character set.
9480 2006-02-23 Jeff Law <law@redhat.com>
9482 * tree.h (PHI_ARG_NONZERO): Remove.
9483 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9484 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9485 node to the new node.
9487 PR tree-optimization/26425
9488 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9489 min/max, then assume its varying.
9491 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9493 PR rtl-optimization/26316
9494 * rtlanal.c (enum may_trap_p_flags): New.
9495 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9496 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9497 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9498 (may_trap_after_code_motion_p): New function.
9499 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9500 (find_invariant_insn): Use may_trap_after_code_motion_p.
9501 * rtl.h (may_trap_after_code_motion_p): Declare.
9503 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9505 * emit-rtl.c (immed_double_const): Cleanup.
9507 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9509 Fix PR tree-optimization/26376
9510 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9513 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9516 * gimplify.c (omp_add_variable): Guard variable size decl test with
9517 DECL_SIZE (decl) check.
9519 2006-02-23 Richard Guenther <rguenther@suse.de>
9522 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9523 like aggregate types.
9525 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9527 * configure.ac: Add --with{,out}-long-double-128 configure option.
9528 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9529 * configure: Rebuilt.
9530 * config.in: Rebuilt.
9531 * doc/install.texi (Options specification): Document
9532 --with-long-double-128.
9534 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9535 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9536 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9537 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9539 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9541 * config/s390/s390.c (override_options): Handle
9542 TARGET_DEFAULT_LONG_DOUBLE_128.
9544 * config/alpha/alpha.c (override_options): Handle
9545 TARGET_DEFAULT_LONG_DOUBLE_128.
9547 * config/sparc/sparc.c (sparc_override_options): Handle
9548 TARGET_DEFAULT_LONG_DOUBLE_128.
9550 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9552 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9553 (real-install-headers-tar, real-install-headers-cpio)
9554 (real-install-headers-cp): New targets.
9556 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9558 * tree.h (variable_section): Delete.
9559 * varasm.c (variable_section): Delete.
9561 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9563 * install.texi: Add notes on install.texi2html.
9564 (Building in parallel): Do not use footnotes.
9566 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9569 * doc/install.texi (Configuration): Document --disable-libgomp.
9571 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9573 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9575 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9577 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9578 (vec_extractv2df_0_sse): New.
9580 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9582 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9583 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9584 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9585 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9586 to the result of the expression.
9587 (def_cfa_1): Adjust.
9588 (frame_pointer_cfa_offset): Rename to...
9589 (frame_pointer_fb_offset): ... this. Adjust all uses.
9590 (convert_cfa_to_loc_list): Rename to...
9591 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9592 Pass it on to build_cfa_loc.
9593 (compute_frame_pointer_to_cfa_displacement): Rename to...
9594 (compute_frame_pointer_to_fb_displacement): ... this. New
9595 offset parameter. Use it in computation.
9596 (gen_subprogram_die): Compute cfa_fb_offset with the new
9597 macro, and use it to compute the fb loc list and the
9600 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9602 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9603 replaced with register_operand.
9604 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9605 non-DREG is expensive.
9606 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9607 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9610 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9612 * doc/install.texi2html: Use set -e.
9614 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9616 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9617 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9618 * doc/invoke.texi (-fshared-data): Delete.
9619 * common.opt (fshared-data): Delete.
9620 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9621 (assemble_static_space): Remove #if 0 code.
9622 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9623 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9624 * config/cris/cris.h: Remove FIXME.
9626 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9628 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9631 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9634 * combine.c (simplify_shift_const_1): Disable nested shifts
9635 optimization for vector shifts.
9637 2006-02-20 Roger Sayle <roger@eyesopen.com>
9639 PR tree-optimization/26361
9640 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9641 of unsigned integer types.
9643 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9645 * tree-chrec.c (eq_evolutions_p): New.
9646 * tree-chrec.h (eq_evolutions_p): Declared.
9647 * tree-data-ref.c: Fix formatting.
9648 (datadep_stats, dependence_stats): New.
9650 (print_direction_vector): New.
9651 (dump_data_dependence_relation): Use print_direction_vector.
9652 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9653 (compute_subscript_distance): Static.
9654 (initialize_data_dependence_relation): Static. Get the number
9655 of loops surrounding the references from the callers, and initialize
9656 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9657 base_object_differ_p analyzers.
9658 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9659 compute_overlap_steps_for_affine_1_2,
9660 analyze_subscript_affine_affine): Count the classified dependences.
9661 Print a message when a test failed.
9662 (can_use_analyze_subscript_affine_affine): New.
9663 (analyze_siv_subscript): Compute the data dependences on symbolic
9664 scevs that verify can_use_analyze_subscript_affine_affine.
9665 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9666 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9667 Handle symbolic scevs.
9668 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9670 (subscript_dependence_tester): Moved...
9671 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9672 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9673 DDR_SIZE_VECT instead of getting it in parameter.
9674 (subscript_dependence_tester): ... here. Take as a parameter
9675 loop_nest_depth. Call build_classic_dist_vector and
9676 build_classic_dir_vector.
9677 (compute_affine_dependence): Update subscript_dependence_tester
9678 parameters. Update datadep_stats counters. Call
9679 compute_subscript_distance.
9680 (compute_self_dependence): Save the dist and dir vectors. Call
9681 compute_subscript_distance.
9682 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9683 (compute_all_dependences): Reorder parameters as they were before
9684 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9685 compute_subscript_distance. Update the use of
9686 compute_affine_dependence and initialize_data_dependence_relation.
9687 (find_data_references_in_loop): Handle COMPONENT_REF.
9688 (compute_data_dependences_for_loop): Initialize dependence_stats.
9689 Don't call build_classic_dist_vector and build_classic_dir_vector.
9690 Update the parameters of initialize_data_dependence_relation and
9691 compute_all_dependences. Print the statistics from datadep_stats.
9692 (analyze_all_data_dependences): Static. Not used until the pass for
9693 checking the data dependences is contributed.
9694 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9695 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9696 (initialize_data_dependence_relation, compute_affine_dependence,
9697 analyze_all_data_dependences, compute_subscript_distance): Removed.
9698 (print_direction_vector): New.
9699 * lambda.h (gcd): ... here.
9700 (lambda_vector_gcd): Moved here from gcd_vector.
9701 * lambda-code.c (gcd, gcd_vector): Removed.
9702 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9703 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9705 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9707 * ipa-type-escape.c: Tidy some comments and white space.
9708 * tree-ssa-operands.c: Likewise.
9710 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9713 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9714 (dump_decl_name): Do not walk the decl tree chains.
9715 * tree-pass.h (TDF_CHAIN): Remove.
9717 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9719 * Makefile.in (C): Remove
9721 (.PHONY): Remove C and PROTO
9723 2006-02-20 Roger Sayle <roger@eyesopen.com>
9726 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9727 deprecated CHAR_TYPE tree code.
9729 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9731 * configure.ac (target_list): Add install-info, dvi, html.
9732 * configure: Regenerate.
9734 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9735 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9736 treelang/Make-lang.in: Do not use double-colon rules.
9738 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9740 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9741 (TMT_USED_ALONE): New macro.
9742 * tree-pass.h (PROP_tmt_usage): New property.
9743 (TODO_update_tmt_usage): New todo.
9744 * tree-ssa-alias.c (updating_used_alone): New variable.
9745 (recalculate_used_alone): New function.
9746 (compute_may_aliases): Set updating_used_alone, call
9747 recalculate_used_alone.
9748 * tree-sra.c (pass_sra): Note that this pass destroys
9749 PROP_tmt_usage, and add TODO_update_tmt_usage.
9750 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9751 * tree-flow.h (updating_used_alone): Prototype.
9752 (recalculate_used_alone): Ditto.
9753 * passes.c (execute_todo): Add code to set updating_used_alone,
9754 and call recalculate.
9755 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9756 for clobber if used alone, and add assert to verify used_alone
9759 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9761 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9762 for non tls symbols added.
9763 (legitimize_address): Do nothing for PLUS expressions if one of the
9764 addends is a tls symbol reference.
9766 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9770 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9772 * Makefile.in (BOOTSTRAPPING): New.
9773 (quickstrap): New definition if BOOTSTRAPPING=yes.
9775 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9776 * configure.ac: Substitute all_selected_languages with the languages
9777 that were configured. For all the other variables except
9778 lang_specs_files, include all the languages in the tree.
9779 * configure: Regenerate.
9781 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9782 if there is one. Run the commands to run fixincludes in the same
9785 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9786 * doc/install.texi: Document exact conventions for searching target tools.
9787 Document --with-build-time-tools. Document toplevel bootstrap. Document
9788 something more about building an Ada cross-compiler. Don't list GNU Make
9789 requirements which affect all platforms.
9791 2006-02-19 Roger Sayle <roger@eyesopen.com>
9794 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9795 only equivalent if the have both the same mode and precision.
9797 2006-02-20 Ben Elliston <bje@au.ibm.com>
9799 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9801 2006-02-19 Roger Sayle <roger@eyesopen.com>
9802 Steven Bosscher <stevenb.gcc@gmail.com>
9804 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9805 constant pool references to identify stack mode constants.
9806 * rtlanal.c (constant_pool_constant_p): New predicate to check
9807 whether operand is a floating point constant in the pool.
9808 * rtl.h (constant_pool_constant_p): Prototype here.
9809 * loop.c (scan_loop): Avoid hoisting constants from the constant
9810 pool on STACK_REGS targets.
9811 (load_mems): Likewise.
9812 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9813 loads into x87 registers expensive in terms of register pressure.
9815 2006-02-19 Roger Sayle <roger@eyesopen.com>
9817 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9818 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9820 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9822 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9823 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9825 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9827 * doc/invoke.texi: Document -fipa-pta.
9828 * common.opt: Add ipa-pta option.
9829 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9830 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9831 (do_ds_constraint): Ditto.
9832 (get_constraint_for): Only add to referenced_vars if
9833 referenced_vars exists.
9834 (insert_into_field_list): Rewrite to do this unsorted.
9835 (insert_into_field_list_sorted): Rename old insert_into_field_list
9837 (create_function_info_for): Use insert_into_field_list_sorted.
9838 (create_variable_info_for): Rewrite so it uses unsorted version,
9839 since the field list is sorted.
9840 (intra_create_variable_infos): Only add to referenced_vars if
9841 referenced_vars exists.
9842 (ipa_pta_execute): Init heapvars, and delete when done.
9843 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9845 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9847 * doc/install.texi: Add missing `@samp'.
9849 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9851 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9854 2006-02-18 Mark Wielaard <mark@klomp.org>
9856 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9857 who added new 4.1 features, bug fixes and integration support.
9859 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9862 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9865 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9867 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9868 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9869 (copy_insn_1): Likewise. Don't copy each field individually.
9871 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9873 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9874 * rtl.c (rtx_size): Rename variable to...
9875 (rtx_code_size): ...this.
9876 (rtx_size): New function.
9877 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9878 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9880 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9881 * rtl.h (rtx_code_size): New variable.
9882 (rtx_size): Change from a variable to a function.
9883 (RTX_SIZE): Rename to...
9884 (RTX_CODE_SIZE): ...this.
9887 PR tree-optimization/17106
9888 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9889 (Anchored Addresses): New section.
9890 * doc/invoke.texi (-fsection-anchors): Document.
9891 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9892 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9893 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9894 * hooks.c (hook_bool_mode_rtx_false): New function.
9895 * hooks.h (hook_bool_mode_rtx_false): Declare.
9896 * gengtype.c (create_optional_field): New function.
9897 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9898 SYMBOL_REF_IN_BLOCK_P is true.
9899 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9900 (min_anchor_offset, max_anchor_offset): Likewise.
9901 (use_anchors_for_symbol_p): New hook.
9902 * toplev.c (compile_file): Call output_object_blocks.
9903 (target_supports_section_anchors_p): New function.
9904 (process_options): Check that -fsection-anchors is only used on
9905 targets that support it and when -funit-at-a-time is in effect.
9906 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9907 if the decl doesn't have one.
9908 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9909 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9910 of force_const_mem through use_anchored_address.
9911 (expand_expr_constant): New function.
9912 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9913 calling expand_expr for INDIRECT_REF.
9914 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9915 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9916 * expr.h (use_anchored_address): Declare.
9917 * loop-unroll.c: Don't declare rtx vectors here.
9918 * explow.c: Include output.h.
9919 (validize_mem): Call use_anchored_address.
9920 (use_anchored_address): New function.
9921 * common.opt (-fsection-anchors): New switch.
9922 * varasm.c (object_block_htab, anchor_labelno): New variables.
9923 (hash_section, object_block_entry_eq, object_block_entry_hash)
9924 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9925 (use_blocks_for_decl_p, change_symbol_section): New functions.
9926 (get_variable_section): New function, split out from assemble_variable.
9927 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9928 use_blocks_for_decl_p say so. Use change_symbol_section if the
9929 symbol has already been created.
9930 (assemble_variable_contents): New function, split out from...
9931 (assemble_variable): ...here. Don't output any code for
9932 block symbols; just pass them to place_block_symbol.
9933 Use get_variable_section and assemble_variable_contents.
9934 (get_constant_alignment, get_constant_section, get_constant_size): New
9935 functions, split from output_constant_def_contents.
9936 (build_constant_desc): Create a block symbol if use_object_blocks_p
9937 says so. Or into SYMBOL_REF_FLAGS.
9938 (assemble_constant_contents): New function, split from...
9939 (output_constant_def_contents): ...here. Don't output any code
9940 for block symbols; just pass them to place_section_symbol.
9941 Use get_constant_section and get_constant_alignment.
9942 (force_const_mem): Create a block symbol if use_object_blocks_p and
9943 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9944 (output_constant_pool_1): Add an explicit alignment argument.
9945 Don't switch sections here.
9946 (output_constant_pool): Adjust call to output_constant_pool_1.
9947 Switch sections here instead. Don't output anything for block symbols;
9948 just pass them to place_block_symbol.
9949 (init_varasm_once): Initialize object_block_htab.
9950 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
9951 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
9952 (place_block_symbol, get_section_anchor, output_object_block)
9953 (output_object_block_htab, output_object_blocks): New functions.
9954 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
9955 (TARGET_ASM_OUT): Include it.
9956 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
9957 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
9958 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
9959 (TARGET_INITIALIZER): Include them.
9960 * rtl.c (rtl_check_failed_block_symbol): New function.
9961 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
9962 (block_symbol, object_block): New structures.
9963 (rtx_def): Add a block_symbol field to the union.
9964 (BLOCK_SYMBOL_CHECK): New macro.
9965 (rtl_check_failed_block_symbol): Declare.
9966 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
9967 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
9968 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
9969 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
9970 * output.h (output_section_symbols): Declare.
9971 (object_block): Name structure.
9972 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
9973 (default_use_anchors_for_symbol_p): Declare.
9974 * Makefile.in (RTL_BASE_H): Add vec.h.
9975 (explow.o): Depend on output.h.
9976 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
9977 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9978 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9979 (rs6000_use_blocks_for_constant_p): New function.
9981 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9983 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
9985 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9988 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
9991 2006-02-18 Diego Novillo <dnovillo@redhat.com>
9993 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
9997 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10000 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10001 instead of DECL_REGISTER.
10003 2006-02-18 Olivier Hainque <hainque@adacore.com>
10006 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10008 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10011 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10012 * opth-gen.awk: Handle Var and InverseMask together.
10013 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10014 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10015 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10016 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10018 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10019 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10020 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10021 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10022 LINUX_DYNAMIC_LINKER): Define.
10023 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10024 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10026 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10027 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10028 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10029 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10030 (TARGET_C99_FUNCTIONS): Don't define.
10031 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10032 GLIBC_DYNAMIC_LINKER.
10033 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10034 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10035 GLIBC_DYNAMIC_LINKER64): Define.
10036 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10037 LINUX_DYNAMIC_LINKER64.
10038 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10039 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10040 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10041 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10042 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10043 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10044 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10045 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10046 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10047 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10048 and LINUX_DYNAMIC_LINKER32.
10049 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10050 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10051 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10052 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10053 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10055 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10056 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10057 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10058 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10059 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10060 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10061 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10062 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10063 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10064 LINUX_DYNAMIC_LINKER): Define.
10065 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10066 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10067 GLIBC_DYNAMIC_LINKER64): Define.
10068 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10069 LINUX_DYNAMIC_LINKER64.
10070 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10071 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10072 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10073 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10074 LINUX_DYNAMIC_LINKER): Define.
10075 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10076 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10077 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10078 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10079 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10080 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10081 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10082 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10083 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10084 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10085 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10086 * doc/invoke.texi (-muclibc): Remove caveat about supported
10089 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10091 * doc/cpp.texi (__TIMESTAMP__): Document.
10093 2006-02-17 Roger Sayle <roger@eyesopen.com>
10095 PR middle-end/25600
10096 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10097 C is one less than the width of X (and related transformations).
10098 * simplify-rtx.c (simplify_unary_operation_1): Transform
10099 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10100 depending on STORE_FLAG_VALUE, were C is one less then the
10103 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10105 Fix PR tree-optimization/26341
10106 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10107 about NAME_MEMORY_TAG's.
10109 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10112 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10113 with hardware float support, and software float support. Add fcpy
10114 alternative to hardware patterns. Add alternatives to copy between
10115 general and floating-point registers to the 32-bit pattern.
10116 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10117 secondary reload to load a QI or HI mode constant into a floating
10119 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10120 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10122 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10125 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10127 (load_macho_picbase_di): Likewise.
10129 2006-02-16 Jeff Law <law@redhat.com>
10131 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10132 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10133 (ssa_name_nonzero_p): Likewise.
10134 (get_value_range): Return NULL if VRP is not running.
10135 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10136 VRP routines do not discover a range.
10137 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10138 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10139 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10140 (tree_expr_nonnegative_p): Similarly.
10141 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10142 (restore_nonzero_vars_to_original_value): Remove.
10143 (unsafe_associative_fp_binop): Remove.
10144 (tree_ssa_dominator_optimize): Remove initialization and
10145 finalization of nonzero_vars and nonzero_vars_stack.
10146 (dom_opt_initialize_block): No longer push marker on
10147 nonzero_vars_stack.
10148 (dom_opt_finalize_block): No longer call
10149 restore_nonzero_vars_to_original_value.
10150 (record_equivalences_from_phis): No longer look for
10151 nonzero PHI arguments.
10152 (cprop_into_successor_phis): No longer propagate nonzero
10153 property into PHI arguments. Lose unused argument. Caller
10155 (record_equivalences_from_stmt): No longer record nonzero
10156 values for SSA_NAMEs.
10157 (lookup_avail_expr): No longer use nonzero_vars.
10159 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10160 for sizetype when sizetype is unsigned.
10162 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10164 PR rtl-optimization/25603
10165 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10166 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10167 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10168 with new meaning of SETS.
10170 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10175 * config/linux.opt: New file.
10176 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10177 LINUX_DYNAMIC_LINKER): Define.
10178 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10179 * config.gcc (*-*-linux*): Define extra_options.
10180 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10181 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10182 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10183 GLIBC_DYNAMIC_LINKER.
10184 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10185 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10186 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10187 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10188 * doc/invoke.texi (GNU/Linux Options): New section.
10190 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10192 * config/sparc/sparc.md (setjmp): Rewrite.
10193 (setjmp_32): Delete.
10194 (setjmp_64): Likewise.
10196 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10198 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10201 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10203 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10206 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10208 PR rtl-optimization/26296
10209 * Makefile.in (loop-invariant.c): Add except.h dependency.
10210 * loop-invariant.c: Include except.h.
10211 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10213 2005-02-16 Paul Brook <paul@codesourcery.com>
10215 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10218 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10220 PR rtl-optimization/25636
10221 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10222 when deciding whether an insn is an initializing insn.
10224 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10226 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10227 (tree_code_size): Ditto.
10228 * tree.h (struct tree_memory_tag): Remove parent_var.
10229 (struct tree_struct_field_tag): New.
10232 (union tree_node): Add sft member.
10233 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10235 (create_sft): Add size and offset argument, set SFT_OFFSET and
10237 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10238 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10239 * tree-flow-inline.h (get_subvar_at): Update for
10240 SFT_OFFSET/SFT_SIZE.
10241 (var_can_have_subvars): Ditto.
10242 (overlap_subvar): Ditto.
10243 * print-tree.c (print_node): Print out interesting things for
10245 * tree-flow.h (struct subvar): Remove offset and size members.
10246 * tree-ssa-operands.c (get_expr_operands): Update for
10247 get_indirect_ref_operands changes.
10248 (get_indirect_ref_operands): Call add_virtual_operand instead of
10249 add_stmt_operand. Only recurse on base var if requested.
10250 (access_can_touch_variable): New function.
10251 (add_stmt_operand): Split virtual operand handling into ...
10252 (add_virtual_operand): Here. Add offset, size, and for_clobber
10253 arguments. Prune alias sets.
10254 (add_call_clobber_ops): Call add_virtual_operand.
10256 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10258 PR middle-end/26300
10259 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10261 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10262 than TREE_CODE as index into omp_clause_num_ops array.
10264 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10266 PR rtl-optimization/26184
10267 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10269 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10270 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10271 must_precede, must_follow and tobe_scheduled.
10274 * opts.c (common_handle_option): Free new_option pointer.
10275 * df-core.c (df_analyze): Free postorder pointer.
10277 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10279 * Makefile.in: Fix the examples about the use of stamps
10281 2006-02-15 Michael Matz <matz@suse.de>
10283 PR middle-end/22275
10285 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10286 influenced by maximum_field_alignment or DECL_PACKED.
10287 (update_alignment_for_field): Ditto.
10288 (place_field): Ditto.
10289 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10292 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10294 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10295 (debug_flow_info): Pass it.
10296 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10297 * bb-reorder.c (reorder_basic_blocks): Likewise.
10298 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10299 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10300 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10301 * gcse.c (gcse_main, bypass_jumps): Likewise.
10302 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10303 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10304 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10305 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10306 * rtl.h (dump_flow_info): Adjust prototype.
10307 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10308 * var-tracking.c (variable_tracking_main): Likewise.
10309 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10310 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10313 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10315 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10318 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10320 PR tree-optimization/26209
10321 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10322 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10324 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10326 2006-02-14 Roger Sayle <roger@eyesopen.com>
10328 PR middle-end/23670
10329 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10330 (X,Y) and the corresponding symmetry related transformations.
10331 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10332 (X,Y) and its symmetry related transformations.
10334 2006-02-14 Roger Sayle <roger@eyesopen.com>
10336 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10339 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10341 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10343 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10346 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10347 support COMDAT group.
10348 * configure: Regenerate.
10350 2006-02-14 Roger Sayle <roger@eyesopen.com>
10352 PR middle-end/26279
10353 PR middle-end/26280
10354 PR middle-end/26283
10355 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10357 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10359 Fix PR tree-optimization/26260
10361 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10363 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10364 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10365 * tree-ssa-structalias.c (create_variable_info_for): Use
10366 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10368 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10370 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10372 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10373 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10374 of the ending condition.
10375 * tree-ssa-loop-manip.c: Include params.h.
10376 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10377 tree_unroll_loop): New functions.
10378 * tree-pass.h (pass_loop_prefetch): Declare.
10379 * loop.c (rest_of_handle_loop_optimize): Test for
10380 -fprefetch-loop-arrays-rtl.
10381 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10382 * timevar.def (TV_TREE_PREFETCH): New timevar.
10383 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10384 pass_loop_prefetch): New.
10385 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10386 (cleanup_tree_cfg_loop): Call scev_reset.
10387 * common.opt (fprefetch-loop-arrays-rtl): Add.
10388 * tree-ssa-loop-prefetch.c: New file.
10389 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10390 (new_temp_expr_table): Initialize expr_vars.
10391 (free_temp_expr_table): Cleanup expr_vars.
10392 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10393 expressions from being merged into one.
10394 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10395 (struct tree_niter_desc): Add control, bound and cmp fields.
10396 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10398 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10399 (tree-cfgcleanup.o): Add SCEV_H dependency.
10400 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10401 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10403 2006-02-14 Richard Guenther <rguenther@suse.de>
10405 PR tree-optimization/26258
10406 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10407 in PHI argument processing.
10409 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10411 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10412 new expression in the requested machine mode.
10414 2006-02-13 Roger Sayle <roger@eyesopen.com>
10416 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10417 directly, instead let do_compare_rtx_and_jump handle this for us.
10418 * expr.c (expand_expr_real_1): Likewise.
10419 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10420 before do_jump_by_parts_greater.
10421 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10422 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10424 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10426 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10428 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10430 PR rtl-optimization/26235
10431 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10432 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10435 2006-02-13 Jeff Law <law@redhat.com>
10437 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10440 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10442 PR middle-end/26092
10443 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10444 twice if decl is a builtin. When trying again, call get_callee_fndecl
10445 first to verify it is still a builtin.
10447 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10449 * dwarf2out.c (base_type_die): Don't add AT_name here.
10450 (subrange_type_die): Don't add AT_name here.
10451 (modified_type_die): Rearrange code flow. Do add AT_name here.
10453 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10455 PR rtl-optimization/26247
10456 PR rtl-optimization/26248
10457 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10459 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10461 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10462 * config/fixtfdi.c: Likewise.
10463 * config/fixunstfdi.c: Likewise.
10464 * config/floatditf.c: Likewise.
10466 2006-02-13 Roger Sayle <roger@eyesopen.com>
10468 PR middle-end/24427
10469 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10470 into (X,C2) if C1 is a subset of the bits of C2. Transform
10471 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10473 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10475 2006-02-13 Josh Conner <jconner@apple.com>
10478 * varasm.c (function_section): Check for section name before
10479 calling select_section on targets that define
10480 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10481 unlikely_text_section instead of hot_function_section if
10482 first_function_block_is_cold.
10484 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10486 PR middle-end/25335
10487 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10489 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10491 PR rtl-optimization/26222
10492 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10493 after tree->rtl expansion.
10494 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10495 before passing it to emit_move_insn.
10497 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10499 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10501 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10502 Clarify documentation.
10503 * c-common.h (warn_write_strings): Remove.
10504 * c-common.c (warn_write_strings): Likewise.
10505 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10508 2006-02-12 Roger Sayle <roger@eyesopen.com>
10510 PR middle-end/25724
10511 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10512 (do_jump_parts_zero_rtx): New function renamed from
10513 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10514 (do_jump_parts_equality_rtx): New function split out from
10515 do_jump_parts_equality. Old implementation renamed as above.
10516 Call do_jump_parts_zero_rtx if either operand is zero.
10517 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10518 do all of the heavy lifting.
10519 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10520 calling either do_jump_by_parts_greater_rtx or
10521 do_jump_by_parts_equality_rtx.
10522 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10523 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10524 moved to do_compare_rtx_and_jump, call it directly.
10525 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10526 mode argument. Call do_compare_rtx_and_jump.
10527 (emit_case_nodes): Update calls to do_jump_if_equal.
10529 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10531 PR rtl-optimization/26225
10532 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10534 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10536 PR rtl-optimization/26232
10537 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10539 2006-02-11 Jason Merrill <jason@redhat.com>
10542 * tree-inline.c (declare_return_variable): Just don't use the
10543 modify target if it's a gimple complex reg and the return slot
10546 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10548 * doc/contrib.texi: Update my entry.
10550 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10552 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10554 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10556 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10559 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10561 * doc/invoke.texi (-floop-optimize2): Removed.
10562 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10563 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10564 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10565 * common.opt (floop-optimize2): Removed.
10566 (fmove-loop-invariants): Enabled by default.
10568 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10570 * tree-if-conv.c (combine_blocks): Free the result of
10571 get_loop_exit_edges.
10573 2006-02-10 Jeff Law <law@redhat.com>
10575 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10577 PR tree-optimization/26213
10578 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10579 loop trying to follow SSA_NAME_VALUE chains.
10581 2006-02-10 Richard Guenther <rguenther@suse.de>
10583 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10584 deal with structures that end in implicitly variable sized arrays.
10586 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10588 PR rtl-optimization/24762
10589 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10592 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10594 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10595 (struct ivopts_data): Add regs_used field.
10596 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10597 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10598 instead of loop_data->regs_used;
10599 (free_loop_data): Do not free aux fields for loops.
10600 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10601 and tree_ssa_iv_optimize_finalize.
10603 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10605 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10607 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10610 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10611 computing the effective result type.
10613 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10615 PR inline-asm/16194
10616 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10617 (tree_overlaps_hard_reg_set): Declare.
10618 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10619 type and signature to match function type expected by walk_tree.
10620 (tree_overlaps_hard_reg_set): New function.
10621 (decl_conflicts_with_clobbers_p): Rename to:
10622 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10623 Use tree_overlaps_hard_reg_set. Changed caller.
10624 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10625 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10626 * cris.c (cris_md_asm_clobbers): Likewise.
10628 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10630 * reload1.c (emit_input_reload_insns): Delete code that tries to
10631 inherit using find_equiv_reg.
10633 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10635 * c-common.h (flag_const_strings): Don't declare.
10636 * c-common.c (flag_const_strings): Remove.
10637 * c.opt (fconst_strings): Remove.
10638 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10639 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10640 (c_common_init_options): Don't set flag_const_strings.
10641 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10643 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10645 * arm.md (tlobits_cbranch): New pattern.
10646 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10647 testing a single bit.
10649 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10652 * tree-ssa-pre.c (create_component_ref_by_pieces):
10653 Handle RETURN_DECL like VAR_DECL.
10655 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10657 PR middle-end/26134
10658 * fold-const.c (fold_indirect_ref_1): Fold
10659 "*(foo *)&complexfoo" to "__real__ complexfoo"
10660 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10662 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10664 * tree-flow-inline.h (var_can_have_subvars):
10665 Volatile variables should not have subvariables.
10667 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10670 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10671 multiplying unsigned values.
10674 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10676 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10678 2006-02-08 Jason Merrill <jason@redhat.com>
10681 * tree.def: Elaborate on difference from MODIFY_EXPR.
10682 * doc/c-tree.texi (INIT_EXPR): Likewise.
10683 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10684 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10685 (gimplify_target_expr): Likewise.
10686 (gimplify_cond_expr): Remove target handling.
10687 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10688 (gimplify_expr): Clobber it here.
10689 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10690 Do return slot optimization if we have an INIT_EXPR.
10693 * tree-inline.c (declare_return_variable): Also clear
10694 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10697 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10699 PR middle-end/22439
10700 * gimplify.c (gimplify_one_sizepos): Fix typo.
10702 2006-02-08 Jeff Law <law@redhat.com>
10704 PR tree-optimization/21417
10705 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10706 across a backedge if the control statement at the end of the
10707 block is data dependent on other statements in the same block.
10708 (record_temporary_equivalences_from_stmts): Remove over-conservative
10709 test for threading across backedges.
10711 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10712 control statement, handle all three special cases in the same
10713 manner as they all have the same desired solution. No longer
10714 special case edge flag updating when the post dominator is
10717 2006-02-08 Roger Sayle <roger@eyesopen.com>
10719 * tree.def (CHAR_TYPE): Remove.
10720 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10721 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10722 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10723 (gen_string_type_die): Delete unreachable function.
10725 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10726 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10727 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10728 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10729 * builtins.c (type_to_class): Likewise.
10730 * fold-const.c (fold_convert, build_range_check,
10731 merge_ranges): Likewise.
10732 * expr.c (count_type_elements): Likewise.
10733 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10734 * stor-layout.c (layout_type): Likewise.
10735 * ipa-type-escape.c (type_to_consider): Likewise.
10736 * gimplify.c (omp_firstprivatize_type_sizes,
10737 gimplify_type_sizes): Likewise.
10738 * explow.c (promote_mode): Likewise.
10739 * tree-sra.c (is_sra_scalar_type): Likewise.
10740 * varasm.c (output_constant): Likewise.
10741 * tree-inline.c (remap_type_1): Likewise.
10742 * convert.c (convert_to_pointer, convert_to_real,
10743 convert_to_integer, convert_to_complex): Likewise.
10745 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10747 * df-scan.c (df_def_record_1): A set destination may
10748 be a parallel regardless of mode.
10750 2006-02-08 Roger Sayle <roger@eyesopen.com>
10753 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10754 * config/mips/_tilib.c: Remove.
10755 * config/fixtfdi.c: New libgcc source file.
10756 * config/fixunstfdi.c: New source file.
10757 * config/floatditf.c: New source file.
10758 * config/floatunditf.c: New souce file.
10759 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10760 files above instead of config/mips/_tilib.c.
10761 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10763 2006-02-08 Jeff Law <law@redhat.com>
10765 PR tree-optimization/26169
10766 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10769 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10771 * df.h (DF_REG_SIZE): Return the length of the initialized
10774 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10776 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10777 __muldf3): Return a correctly signed zero.
10779 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10781 * passes.c (register_one_dump_file): Accept the current properties
10782 instead of pass number. Adjust call to dump_register. Remove
10784 (register_dump_files): Now a wrapper around...
10785 (register_dump_files_1): ... this one. Do not modify the pass
10787 (next_pass_1): Cosmetic fix.
10788 (execute_todo): Keep second parameter only. Use curr_properties
10789 instead of fetching it from the pass structure. Check and set
10791 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10792 instead of fetching it from the pass structure. Fix calls to
10793 execute_todo. Update curr_properties and initialize .vcg RTL dump
10794 after running the pass. Reset last_verified.
10795 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10797 (FIRST_AUTO_NUMBERED_DUMP): New.
10798 (dump_register): Remove "num" parameter, assign it within the
10800 (get_dump_file_name): Modify template for dumps.
10801 * tree-dump.h (dump_register): Adjust prototype.
10802 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10803 (PROP_trees): Add PROP_gimple_lomp.
10804 (TODO_set_props): New.
10805 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10806 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10807 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10809 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10811 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10812 (sparc64-*-linux*): Likewise.
10813 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10814 * config/sparc/t-linux: New file.
10815 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10816 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10817 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10818 -m32 -mlong-double-128.
10820 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10821 * config/alpha/t-linux: New file.
10822 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10824 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10825 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10826 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10827 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10828 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10829 (CPP_ARCH32_SPEC): Remove.
10831 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10833 PR tree-optimization/26145
10834 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10837 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10840 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10841 >= 240000 when generating code for SOM runtime.
10842 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10843 to $$dyncall when generating code for SOM runtime..
10845 2006-02-07 Dirk Mueller <dmueller@suse.com>
10848 * doc/invoke.texi (-Wsequence-point): Update documentation
10849 that -Wsequence-point is implemented for C++ as well.
10851 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10853 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10854 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10855 (LIB_SPEC): Likewise.
10856 * doc/invoke.texi (SPARC options): Document -pthread.
10858 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10860 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10863 2006-02-07 Roger Sayle <roger@eyesopen.com>
10865 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10866 Correct comment describing BOOLEAN_TYPE.
10868 2006-02-07 Dirk Mueller <dmueller@suse.com>
10870 * c.opt: C++ frontend supports -Wdiv-by-zero.
10871 * c-opts.c (c_common_handle_option): Remove dead case.
10873 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10875 * configure.ac (TLS assembler check): Do not enable TLS by
10876 default on SPARC/Solaris before version 10.
10877 * configure: Regenerate.
10879 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10881 * doc/invoke.texi (xl-compat): Document conversion and support
10884 2006-02-07 Jeff Law <law@redhat.com>
10886 * tree-vrp.c (find_conditional_asserts): Update comments.
10887 (simplify_stmt_for_jump_threading): New.
10888 (identify_jump_threads, finalize_jump_threads): New.
10889 (vrp_finalize): Call identify_jump_threads.
10890 (execute_vrp): Call finalize_jump_threads.
10891 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10892 (vrp_element, vrp_data, vrp_element_p): Remove.
10893 (vrp_hash_elt, vrp_variables_stack): Remove.
10894 (vrp_hash, vrp_eq, record_range): Remove.
10895 (simplify_cond_and_lookup_avail_expr): Remove.
10896 (extract_range_from_cond): Remove.
10897 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10898 (simplify_stmt_for_jump_threading): New.
10899 (dom_thread_across_edge): New wrapper.
10900 (tree_ssa_dominator_optimize): No longer initialize or
10901 finalize any of the VRP datastructures. Remove iteration
10902 step and simplify as a result of removal of iteration step.
10903 (pass_dominator): Perform a cfg cleanup after DOM.
10904 (dom_opt_finalize_block): Use the new common routines
10905 for threading jumps. Simplify stack management slightly.
10906 No longer need to unwind VRP state.
10907 (record_equivalences_from_incoming_edge): No longer record
10909 (eliminate_redundant_computations): No longer call
10910 simplify_cond_and_lookup_avail_expr.
10911 * tree-flow.h (potentially_threadable_block): Prototype.
10912 (thread_across_edge): Likewise.
10913 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10914 (tree-ssa-threadedge.o): Add dependencies.
10915 * tree-ssa-threadedge.c: New file.
10916 * passes.c (init_optimization_passes): Merge PHIs before
10917 calling VRP. Run VRP again late in the SSA optimization pipeline.
10919 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10921 * df-core.c (df_set_blocks): Do not dereference function pointers.
10922 (df_finish1): Likewise.
10923 (df_hybrid_search_forward): Likewise.
10924 (df_hybrid_search_backward): Likewise.
10925 (df_iterative_dataflow): Likewise.
10926 (df_analyze_problem): Likewise.
10927 (df_compact_blocks): Likewise.
10928 (df_dump): Likewise.
10929 * df-scan.c (df_rescan_blocks): Likewise.
10930 (df_record_entry_block_defs): Likewise.
10932 * genconditions.c (write_conditions): Guard the definition of
10933 'insn_conditions' with the check on GCC version.
10934 (write_writer): Guard the traversal 'insn_conditions' with
10935 the check on GCC version.
10937 2006-02-07 Richard Guenther <rguenther@suse.de>
10941 2006-01-30 Richard Guenther <rguenther@suse.de>
10943 * gimplify.c (gimplify_target_expr): Handle easy cases
10944 without creating a temporary.
10946 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
10948 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
10949 use of float in probability computations. Use edge probabilities
10950 in place of statically computed probabilities.
10951 (min_spec_prob): New static variable.
10952 (schedule_insns): Initialize it.
10953 (GET_SRC_PROB): Removed.
10954 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
10956 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
10959 * config/ia64/unwind-ia64.c: Revert last change.
10960 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
10961 (INCOMING_FRAME_SP_OFFSET): Define.
10963 2006-02-06 Roger Sayle <roger@eyesopen.com>
10965 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
10967 2006-02-07 Ben Elliston <bje@au.ibm.com>
10969 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
10970 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
10971 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
10972 (ix86_return_in_memory): Handle TDmode.
10973 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
10974 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
10976 2006-02-06 Richard Sandiford <richard@codesourcery.com>
10978 * reorg.c (dbr_schedule): Use dump_file instead of file.
10980 2006-02-06 Steve Ellcey <sje@cup.hp.com>
10983 * config/ia64/predicates.md (extr_len_operand): New predicate.
10984 * config/ia64/ia64.md (extv): Tighten constraints.
10986 (*tbit_and_2): Ditto.
10987 (*tbit_and_3): Ditto.
10988 (*tbit_or_2): Ditto.
10989 (*tbit_or_3): Ditto.
10990 (*bit_zero): Ditto.
10993 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
10996 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
10998 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11000 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11001 loop_optimizer_init and loop_optimizer_finalize
11002 * tree-ssa-sink.c (execute_sink_code): Ditto.
11003 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11004 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11005 tree_ssa_loop_done): Ditto.
11006 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11007 * sched-ebb.c: Include output.h.
11008 (schedule_ebbs): Do not use dump argument.
11009 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11010 * loop.c (loop_dump_stream): Removed.
11011 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11013 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11014 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11015 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11016 loop_iterations, strength_reduce, record_biv, record_giv,
11017 final_giv_value, check_final_value, check_ext_dependent_givs,
11018 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11019 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11020 dump_file instead of loop_dump_stream.
11021 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11022 argument dump_file.
11023 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11025 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11026 * haifa-sched.c: Include output.h
11027 (schedule_insns, sched_init): Do not use dump argument.
11028 * mode-switching.c (optimize_mode_switching): Ditto.
11029 * modulo-sched.c (stats_file): Removed.
11030 (print_node_sched_params): Do not call argument dump_file.
11031 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11032 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11034 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11036 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11037 rtl_loop_init, rtl_loop_done): Ditto.
11038 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11039 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11041 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11042 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11043 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11044 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11045 * emit-rtl.c (renumber_insns): Ditto.
11046 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11047 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11048 * regclass.c (regclass): Ditto.
11049 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11050 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11051 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11052 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11054 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11055 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11057 * gcse.c (gcse_file, debug_stderr): Removed.
11058 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11059 rest_of_handle_gcse): Do not use dump argument.
11060 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11061 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11062 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11063 compute_code_hoist_vbeinout, compute_code_hoist_data,
11064 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11065 compute_store_table, build_store_vectors, insert_insn_start_bb,
11066 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11067 store_motion): Use dump_file instead of gcse_file.
11068 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11069 * profile.c (profile_dump_file): Removed.
11070 (branch_prob): Use dump_file instead of profile_dump_file.
11071 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11073 * tree-ssa-copy.c (dump_copy_of): Ditto.
11074 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11075 dump file to life_analysis.
11076 * bt-load.c (branch_target_load_optimize): Ditto.
11077 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11079 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11080 regclass, dbr_schedule): Declaration changed.
11081 * sched-int.h (sched_init): Declaration changed.
11082 * tree-profile.c (tree_profile_dump_file): Removed.
11083 (tree_profile_hooks): Removed profile_dump_file hook.
11084 * rtl-profile (rtl_profile_dump_file): Removed.
11085 (rtl_profile_hooks): emoved profile_dump_file hook.
11086 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11088 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11089 * tree-cfg.c (build_tree_cfg): Ditto.
11090 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11091 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11092 Declaration changed.
11093 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11094 life_analysis and schedule_insns.
11095 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11097 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11099 * config/mips/mips.c (mips_reorg): Ditto.
11100 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11103 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11105 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11106 (s390_mangle_fundamental_type): New.
11107 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11110 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11111 (alpha_mangle_fundamental_type): New.
11112 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11115 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11117 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11119 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11120 (sparc_mangle_fundamental_type): New.
11122 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11124 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11125 (s390x-*-linux*): Likewise.
11126 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11127 * config/s390/t-linux: New file.
11129 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11131 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11132 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11134 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11136 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11137 (ANTIC_SAFE_LOADS): New macro.
11138 (find_or_generate_expression): Add prototype.
11139 (set_contains_value): Allow null set for sake of not always having
11140 to allocate ANTIC_SAFE_LOADS.
11141 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11142 Allow COMPONENT_REF too.
11143 (valid_in_set): Allow COMPONENT_REF.
11144 Check ANTIC_SAFE_LOADS too.
11145 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11146 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11148 (can_PRE_operation): Add COMPONENT_REF.
11149 (create_component_ref_by_pieces): New function.
11150 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11151 (insert_aux): Move AGGREGATE_TYPE_P check here.
11152 (compute_avail): Set bb local stmt uids.
11153 (pass_pre): Use TODO_update_ssa_only_virtuals.
11155 2006-02-06 Ben Elliston <bje@au.ibm.com>
11157 * configure.ac: Unconditionally disable decimal float by default.
11158 * configure: Regenerate.
11160 2006-02-06 Ben Elliston <bje@au.ibm.com>
11162 * read-rtl.c (read_name): Terminate reading on EOF.
11164 2006-02-06 Ben Elliston <bje@au.ibm.com>
11166 * dfp.c (decimal_real_arithmetic): Change second argument type
11167 from int to enum tree_code. Do not always return true, but now
11168 return result of any call to decimal_do helper functions.
11169 * dfp.h (decimal_real_arithmetic): Update prototype.
11171 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11173 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11175 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11178 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11181 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11183 * tree-vrp.c (cfg_loops): Removed.
11184 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11185 Use current_loops instead of cfg_loops. Pass flags to
11186 loop_optimizer_init.
11187 * cfgloopmanip.c (fix_loop_structure): Update only available
11189 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11190 loop_optimizer_init.
11191 * modulo-sched.c (build_loops_structure): Removed.
11192 (sms_schedule): Use loop_optimizer_init.
11193 * loop-init.c (loop_optimizer_init): Use flags to determine
11194 which properties of loops to prepare.
11195 (rtl_loop_init): Pass flags to loop_optimizer_init.
11196 * tree-ssa-sink.c (execute_sink_code): Ditto.
11197 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11198 * tree-ssa-pre.c (init_pre): Ditto.
11199 * cfgloop.h (LOOPS_NORMAL): New.
11200 (loop_optimizer_init): Declaration changed.
11202 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11204 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11205 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11207 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11209 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11211 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11212 * pa/t-pa64: Delete quadlib.c rule.
11213 * pa/x-ada: Revert last change.
11214 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11216 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11218 PR rtl-optimization/26087
11219 * rtlanal.c (canonicalize_condition): Do not cross basic block
11222 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11225 * config/ia64/ia64.c: Include debug.h.
11226 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11227 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11228 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11229 (process_epilogue, process_set, process_for_unwind_directive):
11230 Output unwind info only if requested. Add CFA info if requested.
11231 Add new arguments as needed. Adjust callers.
11232 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11234 (DWARF2_FRAME_INFO): Define to zero.
11235 * config/ia64/unwind-ia64.c: Remove code that compensated for
11236 the CFA offset error fixed above.
11237 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11238 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11239 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11240 -funwind-tables and -fexceptions to enable frame info.
11241 (dwarf2out_frame_init): Define initial CFA even if
11242 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11243 DWARF2_UNWIND_INFO is nonzero, not just defined.
11244 (dwarf2out_frame_finish): Output non-EH call frame info only
11245 if DWARF2_FRAME_INFO is nonzero.
11246 (convert_cfa_to_loc_list,
11247 compute_frame_pointer_to_cfa_displacement): Define even if
11248 unwind info is not supported.
11249 (gen_subprogram_die): Use the above unconditionally. Remove
11250 legacy alternate code.
11251 * toplev.c (compile_file): Compile in call to
11252 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11253 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11255 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11256 Jakub Jelinek <jakub@redhat.com>
11258 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11259 IBM extended float format long double as "g" on powerpc*-linux.
11261 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11264 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11265 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11267 2006-02-03 Jason Merrill <jason@redhat.com>
11270 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11272 PR middle-end/25977
11273 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11274 on the return slot if it's an NRV.
11276 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11278 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11279 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11280 rewrite_use): Do not handle USE_OUTER.
11281 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11282 add_iv_outer_candidates, may_replace_final_value,
11283 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11284 (find_interesting_uses_op): Functionality of
11285 find_interesting_uses_outer_or_nonlin moved here.
11286 (find_interesting_uses_outside): Use find_interesting_uses_op.
11288 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11291 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11293 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11294 Ulrich Weigand <uweigand@de.ibm.com>
11297 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11298 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11299 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11300 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11302 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11303 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11304 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11305 Define secondary reloads for TFmode moves.
11306 (constant_modes): Add TFmode.
11307 (NR_C_MODES): Set to 8.
11308 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11310 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11311 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11312 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11313 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11314 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11315 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11316 (FPR mode macro): Add TFmode.
11317 (DSF mode macro): New.
11318 (<de>, <dee> mode attributes): Removed.
11319 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11320 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11321 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11322 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11323 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11324 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11325 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11326 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11327 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11328 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11329 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11330 "*negabs<mode>2", "sqrt<mode>2"):
11331 Changed <de> to <xde>. R constraint replaced by <Rf>.
11332 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11334 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11335 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11336 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11338 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11339 "extenddftf2", "extendsftf2"): New expanders.
11340 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11341 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11342 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11343 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11345 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11346 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11347 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11348 __floatditf): Add a GCC_4.1.0 symbol version tag.
11349 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11352 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11355 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11356 Use targetm.binds_local_p instead of TREE_PUBLIC.
11358 2006-02-02 Roger Sayle <roger@eyesopen.com>
11360 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11361 on INTEGER_TYPEs to indicate that it denotes a character type.
11362 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11363 signed_char_type_node, unsigned_char_type_node and char_type_node.
11364 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11365 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11366 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11368 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11369 Daniel Berlin <dberlin@dberlin.org>
11371 * tree-tailcall.c (arg_needs_copy_p): New function.
11372 (eliminate_tail_call): Use arg_needs_copy_p.
11373 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11374 (add_virtual_phis): New function.
11376 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11378 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11379 #ignore instead of #scratch for %g7 .register directive.
11381 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11383 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11386 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11388 * flow.c (calculate_global_regs_live): Assert that there aren't any
11391 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11393 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11394 what its name says.
11395 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11396 bsi_after_labels iterator.
11397 * tree-if-conv.c (find_phi_replacement_condition,
11398 replace_phi_with_cond_modify_expr): Likewise.
11399 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11400 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11402 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11404 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11406 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11409 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11410 array after growing it.
11412 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11414 PR middle-end/24901
11415 * fold-const.c (fold_checksum_tree): Change type of buf.
11417 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11419 * reload.c (push_secondary_reload): Initialize t_icode.
11421 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11423 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11424 -msoft-float -mlong-double-128 only issue a warning, but don't
11425 swich to DFmode long double.
11427 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11429 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11430 has a constant equivalent, iterate over equivalents for arg0,
11431 calling simplify_relational_operation and if there's a result
11432 cheaper than X, apply fold_rtx and return the result.
11434 2006-02-01 Jan Hubicka <jh@suse.cz>
11436 * opts.c (no_unit_at_a_time_default): New global variable.
11437 (decode_options): Use it.
11438 * opts.h (no_unit_at_a_time_default): Declare.
11440 2006-02-01 Paul Brook <paul@codesourcery.com>
11442 * function.c (assign_parm_setup_reg): Use function argument promotion
11444 * expr.c (expand_expr_real_1): Use function argument promotion rules
11447 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11449 * gcc.c (process_command): Change j to 'unsigned int'.
11451 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11453 PR middle-end/26001
11454 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11455 Use the corrected index for the character
11456 out of the string constant.
11458 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11460 * mode-switching.c (optimize_mode_switching): Fix size
11461 allocated for bb_info[n_entities].
11463 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11465 * gcc.c (main): Correct type that is allocated for
11466 explicit_link_files.
11468 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11470 * config/s390/s390.c (init_alignment_context): Set
11471 ALIAS_SET_MEMORY_BARRIER on the MEM.
11472 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11474 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11476 PR middle-end/25933
11477 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11479 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11482 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11484 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11485 * regrename.c: Ditto.
11486 * tree-ssa-loop-im.c: Ditto.
11487 * tree-dump.c: Ditto.
11488 * tree-complex.c: Ditto.
11489 * genrecog.c: Ditto.
11490 * tree-ssa-threadupdate.c: Ditto.
11492 * java/class.c: Ditto.
11493 * java/jcf-parse.c: Ditto.
11494 * java/resource.c: Ditto.
11495 * java/except.c: Ditto.
11496 * java/jvspec.c: Ditto.
11497 * java/jcf-write.c: Ditto.
11498 * java/jcf-path.c: Ditto.
11499 * java/gjavah.c: Ditto.
11500 * java/zextract.c: Ditto.
11501 * java/jcf-io.c: Ditto.
11502 * java/jcf.h: Ditto.
11503 * java/buffer.c: Ditto.
11504 * java/lang.c: Ditto.
11505 * java/parse-scan.y: Ditto.
11506 * java/lex.c: Ditto.
11507 * java/lex.h: Ditto.
11508 * cfgloopmanip.c: Ditto.
11509 * postreload-gcse.c: Ditto.
11510 * tree-ssa-loop-manip.c: Ditto.
11511 * postreload.c: Ditto.
11512 * tree-ssa-loop-ch.c: Ditto.
11515 * cppspec.c: Ditto.
11516 * diagnostic.c: Ditto.
11518 * genoutput.c: Ditto.
11520 * cfghooks.c: Ditto.
11521 * cfgloopanal.c: Ditto.
11522 * objc/objc-act.c: Ditto.
11524 * genextract.c: Ditto.
11525 * genautomata.c: Ditto.
11526 * pretty-print.c: Ditto.
11527 * genemit.c: Ditto.
11528 * cgraphunit.c: Ditto.
11530 * df-scan.c: Ditto.
11531 * haifa-sched.c: Ditto.
11532 * dominance.c: Ditto.
11534 * tree-ssa-loop-ivopts.c: Ditto.
11535 * df-core.c: Ditto.
11536 * mode-switching.c: Ditto.
11537 * modulo-sched.c: Ditto.
11539 * ipa-pure-const.c: Ditto.
11541 * fix-header.c: Ditto.
11543 * tree-stdarg.c: Ditto.
11544 * ipa-utils.c: Ditto.
11545 * loop-init.c: Ditto.
11546 * ipa-inline.c: Ditto.
11547 * cfganal.c: Ditto.
11549 * alloc-pool.c: Ditto.
11550 * dwarf2out.c: Ditto.
11552 * genattrtab.c: Ditto.
11553 * tree-ssa-loop-ivcanon.c: Ditto.
11554 * predict.c: Ditto.
11555 * timevar.c: Ditto.
11557 * fortran/gfortranspec.c: Ditto.
11558 * regmove.c: Ditto.
11559 * local-alloc.c: Ditto.
11560 * langhooks.c: Ditto.
11561 * function.c: Ditto.
11562 * tree-vectorizer.c: Ditto.
11564 * ipa-type-escape.c: Ditto.
11566 * tree-if-conv.c: Ditto.
11567 * profile.c: Ditto.
11569 * tree-data-ref.c: Ditto.
11570 * loop-unroll.c: Ditto.
11571 * treelang/treetree.c: Ditto.
11573 * bt-load.c: Ditto.
11574 * ggc-common.c: Ditto.
11576 * coverage.c: Ditto.
11578 * tree-cfgcleanup.c: Ditto.
11579 * tree-ssa-pre.c: Ditto.
11580 * cfgcleanup.c: Ditto.
11581 * loop-invariant.c: Ditto.
11582 * loop-iv.c: Ditto.
11583 * ipa-prop.c: Ditto.
11584 * print-tree.c: Ditto.
11585 * conflict.c: Ditto.
11586 * ggc-page.c: Ditto.
11587 * sched-deps.c: Ditto.
11588 * regclass.c: Ditto.
11589 * tree-object-size.c: Ditto.
11590 * combine.c: Ditto.
11591 * bb-reorder.c: Ditto.
11592 * resource.c: Ditto.
11593 * var-tracking.c: Ditto.
11594 * cfgloop.c: Ditto.
11595 * df-problems.c: Ditto.
11596 * reg-stack.c: Ditto.
11598 * gccspec.c: Ditto.
11599 * sched-rgn.c: Ditto.
11600 * tree-ssa-structalias.c: Ditto.
11601 * tree-ssa-reassoc.c: Ditto.
11602 * config/darwin-c.c: Ditto.
11603 * config/darwin.c: Ditto.
11604 * config/arm/arm.c: Ditto.
11606 * collect2.c: Ditto.
11607 * reload1.c: Ditto.
11609 2006-01-31 Nicolas Pitre <nico@cam.org>
11611 * arm.md (smaxsi3): Make aware of smax_m1.
11614 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11616 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11618 2006-01-31 Richard Guenther <rguenther@suse.de>
11620 * doc/invoke.texi (-msselibm): Document.
11621 * target.h (expand_library_builtin): New target hook.
11622 * builtins.c (expand_builtin): Use expand_library_builtin.
11623 (default_expand_library_builtin): New function.
11624 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11625 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11626 (link_gcc_math_spec): Declare.
11627 (static_specs): Add link_gcc_math_spec.
11628 * expr.h (default_expand_library_builtin): Declare.
11629 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11630 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11631 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11632 * config/i386/i386.opt (msselibm): New target option.
11633 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11634 (ix86_init_sse_abi_builtins): New function.
11635 (ix86_expand_library_builtin): Likewise.
11636 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11637 (override_options): Handle error conditions wrt -msselibm.
11638 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11639 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11640 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11643 2006-01-31 Richard Guenther <rguenther@suse.de>
11644 Paolo Bonzini <bonzini@gnu.org>
11646 * doc/install.texi (--disable-libgcc-math): Document.
11648 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11650 * expr.h (expand_normal): new inline function.
11651 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11652 * dojump.c: use it.
11653 * dwarf2out.c: use it.
11656 * expmed.c: use it.
11657 * except.c: use it.
11658 * config/sparc/sparc.c: use it.
11659 * config/i386/i386.c: use it.
11660 * config/rs6000/rs6000.c: use it.
11661 * config/arm/arm.c: use it.
11662 * config/mips/mips.c: use it.
11663 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11665 2006-01-30 Roger Sayle <roger@eyesopen.com>
11667 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11668 argv to the appropriate type.
11670 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11672 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11675 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11678 * config/s390/s390.c (struct machine_function): New flag
11679 decomposed_literal_pool_addresses_ok_p.
11680 (s390_reorg): Set it before final stage of literal pool transforms.
11681 (s390_decompose_address): Only accept displacements of the form
11682 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11684 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11686 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11687 the comparison routine return.
11689 2006-01-30 Michael Matz <matz@suse.de>
11691 * global.c (find_reg): Only evict for global regs.
11692 Take n_refs into account and dump more info.
11694 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11697 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11698 (pragma_trap, pragma_nosave_low_regs): Likewise.
11699 (current_function_anonymous_args): Likewise.
11700 (sh_deferred_function_attributes): New variable.
11701 (sh_deferred_function_attributes_tail): Likewise.
11702 (print_operand): For '@', look up trap_exit attribute.
11703 (calc_live_regs): Look up trapa_handler attribute. For trapa
11704 handlers, save/restore fpscr, but don't do any other
11705 interrupt-specific saves.
11706 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11707 Fix check for partially saved registers to check for SHmedia.
11708 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11709 (sh_output_function_epilogue): Don't clear any of the removed
11711 (sh_insert_attributes): Don't check pragma_interrupt.
11712 Insert deferred attributes. Check that interrupt attribute is
11713 present for other attributes that require its presence.
11714 (sh_attribute_table): Add new attributes trapa_handler and
11716 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11717 Don't check for pragma_interrupt. Don't store argument.
11718 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11719 (sh_deferred_function_attributes): Declare.
11720 (sh_deferred_function_attributes_tail): Likewise.
11721 * sh.md (sp_switch_1): Add operand. Change generator caller.
11722 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11723 (*return_i): Don't use when trap_exit attribute is in effect.
11724 (*return_trapa): New insn pattern.
11725 * sh-c.c: New file.
11726 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11727 setting c_target_objs and cxx_target_objs.
11728 * t-sh: Add rule for sh-c.o.
11730 2006-01-30 Richard Guenther <rguenther@suse.de>
11733 * gimplify.c (gimplify_target_expr): Handle easy cases
11734 without creating a temporary.
11736 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11738 * vec.h (safe_grow): Remove duplicated line.
11740 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11743 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11744 (expand_omp): ... here.
11745 (expand_omp_parallel): Only remove barriers for combined
11746 parallel+workshare constructs.
11748 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11752 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11753 * tree.c (build_qualified_type): Chain the new type to the original
11754 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11755 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11756 (build_pointer_type_for_mode): Only return unqualified types.
11757 (build_reference_type_for_mode): Likewise.
11759 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11761 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11762 * Makefile.in (CXX_COMPAT_WARN): Define.
11763 * configure: Regenerate.
11765 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11768 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11771 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11773 * toplev.c: Fix thinko.
11775 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11776 Marcin Dalecki <martin@dalecki.de>
11778 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11779 (push_srcloc): Use XNEW.
11780 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11782 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11784 * df-core.c (df_set_blocks): Deleted all variable.
11786 2006-01-28 Ian Lance Taylor <ian@airs.com>
11788 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11789 cgraph_output_pending_asms.
11791 2006-01-28 Zack Weinberg <zackw@panix.com>
11793 * c.opt: Add -W(no-)overlength-strings.
11794 * doc/invoke.texi: Document it.
11795 * c-opts.c (c_common_handle_option): -pedantic implies
11796 -Woverlength-strings, if not explicitly disabled already.
11797 (c_common_post_options): -Woverlength-strings defaults to off, and
11798 is always off for C++.
11799 * c-common.c (fix_string_type): Issue warning about strings longer
11800 than is portable only if warn_overlength_strings. Rearrange code
11801 a little for clarity.
11802 * configure.in: Check for -Wno-overlength-strings as well before
11803 enabling -pedantic in stage 1.
11804 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11805 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11807 * genconditions.c (write_header, write_one_condition)
11808 (write_conditions, write_writer): Consolidate very long strings
11809 that were broken up to fit in C89 portable limit. Don't use
11810 printf when fputs will do.
11812 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11814 * combine.c (simplify_comparison <AND>): Check
11815 TRULY_NOOP_TRUNCATION before start using a subreg.
11817 * config/mips/mips.md (*branch_zero<mode>,
11818 *branch_zero<mode>_inverted, *branch_equality<mode>,
11819 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11820 Remove mode check from comparisons.
11822 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11824 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11826 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11828 * expmed.c (const_mult_add_overflow_p): Remove.
11829 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11831 * recog.c (validate_replace_rtx_subexp): Remove.
11832 * recog.h: Remove the prototype for
11833 validate_replace_rtx_subexp.
11835 * integrate.h: Remove the prototype for
11836 copy_decl_for_inlining.
11837 * rtl.h: Remove the prototype for mark_constant_function.
11838 * tree-vectorizer.h: Remove the prototype for
11839 vect_strip_conversion.
11841 * modulo-sched.c (create_partial_schedule,
11842 free_partial_schedule, reset_partial_schedule): Make them
11845 * hooks.c (hook_bool_rtx_int_false): Remove.
11846 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11848 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11850 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11851 and -mlong-double-128 are incompatible.
11852 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11853 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11854 (TARGET_LIBGCC2_CFLAGS): Define.
11855 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11856 (TARGET_LIBGCC2_CFLAGS): Same.
11857 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11859 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11862 * c-typeck.c (build_binary_op): Perform implicit casts of
11863 operands before shortening them.
11865 * cfgloopmanip.c (split_loop_bb): Remove.
11866 * cfgloop.h: Remove the prototype for split_loop_bb.
11868 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11869 * cfgloop.h: Remove the prototype for
11870 flow_loop_outside_edge_p.
11872 * emit-rtl.c (init_virtual_regs): Make it static.
11873 * function.h: Remove the prototype for init_virtual_regs.
11875 * recog.c (peephole2_optimize): Make it static.
11876 * recog.h: Remove the prototype for peephole2_optimize.
11878 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11880 * df-scan.c (df_record_entry_block_defs): Check if
11881 INCOMING_RETURN_ADDR_RTX is defined.
11883 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11884 Kenneth Zadeck <zadeck@naturalbridge.com>
11886 PR rtl-optimization/24762
11887 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11888 * targhooks.c (hook_void_bitmap): New hook prototype.
11889 * targhoohs.h (hook_void_bitmap): Ditto.
11890 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11891 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11892 * target.h (live_on_entry): New function pointer.
11893 * df-scan.c (df_all_hard_regs): Removed.
11894 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11895 (df_scan_free_internal): Added df->entry_block_defs.
11896 (df_scan_alloc): Ditto.
11897 (df_scan_dump): Ditto.
11898 (df_uses_record): Plumbed flag field properly thru calls.
11899 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11900 This part fixes PR24762.
11901 (df_bb_refs_record): Added code to make the frame and arg
11902 pointers live in EH blocks.
11903 (df_refs_record): Added call to df_record_entry_block_defs.
11904 (df_record_entry_block_defs): New function.
11905 * df-core.c: Added comments to describe new artifical defs.
11906 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11907 (entry_block_defs): New field in struct df.
11908 (df_all_hard_regs): Deleted.
11909 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11910 * df-problems.c (df_ru_bb_local_compute_process_def):
11911 Added code to handle artifical defs in the entry to a function.
11912 (df_ru_bb_local_compute): Ditto.
11913 (df_rd_bb_local_compute_process_def): Ditto.
11914 (df_rd_bb_local_compute): Ditto.
11915 (df_lr_bb_local_compute): Ditto.
11916 (df_ur_bb_local_compute): Ditto.
11917 (df_urec_bb_local_compute): Ditto.
11918 (df_chain_create_bb): Ditto.
11919 (df_ur_local_finalize): Removed entry.
11920 (df_urec_init): Ditto.
11921 (df_urec_local_finalize): Ditto.
11922 (df_ri_bb_compute): Added detection of last use of pseudos.
11923 * Makefile.in (df-scan.o): Updated dependencies.
11924 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11925 * config/mips/mips.c (mips_set_live_on_entry): Added.
11926 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11928 * dce.c (marked_insn_p): Added code to handle artifical defs.
11930 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11932 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11934 (_mm_cvtsi128_si64): Likewise.
11935 (_mm_cvtsd_si64): Likewise.
11936 (_mm_cvttsd_si64): Likewise.
11937 (_mm_cvtsi64_sd): Likewise.
11938 (_mm_cvtsi64_si128): Likewise.
11939 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11940 (_mm_cvtsi64_m64): Likewise.
11941 (_m_to_int64): Likewise.
11942 (_mm_cvtm64_si64): Likewise.
11943 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11944 (_mm_cvttss_si64): Likewise.
11945 (_mm_cvtsi64_ss): Likewise.
11946 (_mm_cvtss_f32): Likewise.
11948 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
11950 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
11951 for pragma redefine_extname.
11953 2006-01-27 Jakub Jelinek <jakub@redhat.com>
11956 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
11957 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
11958 -mno-minimal-toc to previous content.
11959 (bispecs): Remove goal.
11960 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
11961 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
11962 compatibility aliases on powerpc-*-*gnu*.
11963 * config/rs6000/libgcc-ppc-glibc.ver: New file.
11964 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
11965 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
11966 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
11967 (ldblspecs): New goal.
11968 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
11969 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
11971 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
11972 L_sf_to_tf or L_df_to_tf is defined.
11974 2006-01-27 David Edelsohn <edelsohn@gnu.org>
11975 Alan Modra <amodra@bigpond.net.au>
11978 * config/rs6000/linux.h (POWERPC_LINUX): Define.
11979 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
11980 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
11981 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
11982 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
11983 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
11984 (rs6000_override_options): Initialize rs6000_ieeequad.
11985 Initialize TFmode format to ibm_extended_format if not
11987 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
11989 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
11990 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
11991 (function_arg_advance): IBM long double passed in two FPRs, not
11993 (function_arg): IBM long double passed in FPRs.
11994 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
11995 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
11996 Only multireg GPR aligned.
11997 (rs6000_init_libfuncs): Enable IBM long double functions if not
11999 (rs6000_generate_compare): Use IBM long double compare if not
12001 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12002 (TARGET_IEEEQUAD): Define.
12003 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12004 not TARGET_IEEEQUAD.
12005 * config/rs6000/rs6000.md: Enable TFmode patterns if
12007 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12008 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12009 and -mlong-double-128 are incompatible.
12010 * doc/invoke.texi (-mabi): Collect options together. Add
12011 ibmlongdouble and ieeelongdouble.
12013 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12015 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12017 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12018 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12019 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12020 * rtl.h (rtunion_def): Remove rt_ptr.
12022 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12023 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12024 * config/i386/winnt.c (i386_pe_mark_dllexport)
12025 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12027 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12029 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12031 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12035 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12036 pthread_key_delete. From John David Anglin. gthrw-ify
12037 pthread_getunique_np only if it it's not a macro. Delete
12039 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12040 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12041 __gthread_objc_condition_signal, __gthread_key_delete): Add
12042 "__attribute__ ((__unused__))" to unused arguments.
12043 (__gthread_recursive_mutex_init_function): Add missing return.
12044 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12045 gthr-posix95.h: Use macro-based approach for name redirection
12046 on targets missing weakref.
12048 2006-01-26 Zack Weinberg <zackw@panix.com>
12050 * genconditions.c (write_header): In generated code, #ifdef out
12051 all includes and fake declarations, except includes of bconfig.h
12052 and system.h, unless GCC_VERSION >= 3001. Do not include
12053 gensupport.h in any case.
12054 (write_conditions): Generate a definition of struct c_test. Add
12055 a comment to the generated #endif.
12056 (write_one_condition): Escape backslashes in string too.
12057 (write_writer): Generated code must escape backslashes and quote
12058 marks (but not newlines) in the strings it writes.
12059 * Makefile.in (build/gencondmd.o): Update dependencies.
12061 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12064 * Makefile.in (insn-automata.o): Add header file dependencies.
12065 * genautomata.c: Add includes.
12067 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12070 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12072 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12074 * configure.ac: Expect target tools paths to be passed from the toplevel
12075 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12077 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12079 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12082 * c.opt (Wpointer-sign): Init to -1.
12083 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12084 OPT_pedantic, to 0 otherwise.
12085 * doc/invoke.texi: Update.
12087 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12089 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12090 constants provided by 80387 instructions in the destination mode.
12092 2006-01-26 Richard Guenther <rguenther@suse.de>
12093 Andrew Pinski <pinskia@physics.uc.edu>
12096 partial PR tree-opt/17064
12097 * tree-ssa-structalias.c (intra_create_variable_infos):
12098 Create heap variables for incoming parameters if
12099 flag_argument_noalias > 1.
12100 (find_what_p_points_to): Look through default defs of
12103 2006-01-26 Jeff Law <law@redhat.com>
12106 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12107 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12108 within the VR_RANGE, use the VR_RANGE as the result, not the
12110 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12111 bounds for the type.
12113 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12115 * tree-ssa-alias.c (maybe_create_global_var): Change
12116 subvar walking to an assertion that we don't have subvar'd variables.
12118 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12121 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12122 Use a new variable, inner. PARM_DECLs are always non-weak.
12124 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12126 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12127 --disable-checking.
12129 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12131 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12133 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12135 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12136 (smax_insn, smin_insn, smax_0, smin_0): New.
12138 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12141 * config/cris/cris.c (cris_order_for_addsi3): New function.
12142 * config/cris/cris-protos.h: Prototype it.
12143 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12144 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12145 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12146 (split for "op.S1 [rx=rx+i],ry (swapped)")
12147 (split for "op(s|u).S1 [rx=rx+i],ry")
12148 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12149 Apply cris_order_for_addsi3 when generating addsi3 insns.
12151 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12153 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12154 (TREE_BLOCK): Add call to EXPR_CHECK.
12156 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12159 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12160 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12161 (dump_omp_clauses): ... here.
12162 (dump_generic_node): Handle OMP_CLAUSE.
12163 * tree.c (omp_clause_num_ops): New.
12164 (omp_clause_code_name): New.
12165 (tree_code_size): Handle OMP_CLAUSE.
12166 (tree_size): Likewise.
12167 (make_node): Document handling of OMP_CLAUSE.
12168 (tree_node_structure): Handle OMP_CLAUSE.
12169 (omp_clause_check_failed): New.
12170 (omp_clause_range_check_failed): New.
12171 (omp_clause_operand_check_failed): New.
12172 (build_omp_clause): New.
12173 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12174 * tree.h (enum omp_clause_code): Declare.
12175 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12176 (OMP_CLAUSE_RANGE_CHECK): Define.
12177 (OMP_CLAUSE_ELT_CHECK): Define.
12178 (omp_clause_check_failed): Declare.
12179 (omp_clause_operand_check_failed): Declare.
12180 (omp_clause_range_check_failed): Declare.
12181 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12182 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12183 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12184 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12185 (OMP_CLAUSE_IF_EXPR): Likewise.
12186 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12187 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12188 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12189 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12190 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12191 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12192 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12193 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12194 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12195 (OMP_CLAUSE_CODE): Define.
12196 (OMP_CLAUSE_SET_CODE): Define.
12197 (OMP_CLAUSE_CODE): Define.
12198 (OMP_CLAUSE_OPERAND): Define.
12199 (struct tree_omp_clause): Declare.
12200 (union tree_node): Add field 'omp_clause'.
12201 * treestruct.def (TS_OMP_CLAUSE): Define.
12202 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12203 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12204 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12205 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12206 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12207 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12208 (OMP_CLAUSE): Define.
12209 * print-tree.c (print_node): Handle OMP_CLAUSE.
12210 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12211 * c-typeck.c: Likewise.
12212 * gimplify.c: Likewise.
12213 * c-omp.c: Likewise.
12214 * tree-nested.c: Likewise.
12215 * tree-inline.c: Likewise.
12216 * c-parser.c: Likewise.
12217 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12220 2006-01-25 Roger Sayle <roger@eyesopen.com>
12222 PR rtl-optimization/25703
12223 * combine.c (try_combine): Handle zero_extract and strict_low_part
12224 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12226 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12228 * global.c: Fix comment typos.
12230 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12233 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12234 Use output_addr_const instead of assemble_name.
12236 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12238 * Makefile.in (sched-vis.o): Update dependencies.
12239 * haifa-sched.c (sched_finish): Clear current_sched_info.
12240 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12241 (dump_flow_info): Call it.
12242 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12244 * basic-block.h (dump_bb_info): Declare.
12245 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12246 option, and apply options only for dump files whose TDF_RTL,
12247 TDF_TREE, or TDF_IPA bits match.
12248 * rtl.h: Declare new functions exported from sched-vis.c.
12249 * sched-vis.c: Enable also if scheduling is not used.
12250 (print_value): Print the mode of registers if not inside scheduling.
12251 (print_insn): Make it work outside the scheduler. Beautify the output
12253 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12255 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12257 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12258 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12259 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12260 depending on the value of CONSTANT_POOL_ADDRESS_P.
12261 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12263 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12264 rather than SYMBOL_REF_DECL.
12265 (rtx_constant_pool): Remove const_rtx_sym_htab.
12266 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12267 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12268 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12269 Remove handling of const_rtx_sym_htab.
12270 (find_pool_constant): Delete.
12271 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12272 rather than find_pool_constant.
12273 (get_pool_constant_for_function): Delete.
12274 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12275 find_pool_constant.
12276 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12277 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12278 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12279 (SYMBOL_REF_CONSTANT): New macro.
12280 (get_pool_constant_for_function): Delete.
12281 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12282 rather than SYMBOL_REF_DECL.
12283 (i386_pe_mark_dllimport): Likewise.
12284 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12285 rather than SYMBOL_REF_DECL.
12286 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12287 (machopic_indirect_call_target): Likewise.
12289 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12291 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12293 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12295 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12297 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12299 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12301 2006-01-24 David Daney <ddaney@avtrex.com>
12304 * configure.ac (enable_tls): New enable option.
12305 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12306 * configure: Regenerate.
12307 * doc/install.texi (--enable-tls): Document new option.
12308 (--disable-tls): Ditto.
12310 2006-01-24 Richard Henderson <rth@redehat.com>
12312 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12313 * alias.c (true_dependence): Respect it.
12314 (canon_true_dependence, write_dependence_p): Likewise.
12315 * builtins.c (get_builtin_sync_mem): Set it.
12317 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12319 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12322 2006-01-24 DJ Delorie <dj@redhat.com>
12324 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12325 for storing constants in single-bit bitfields.
12327 2006-01-25 Ben Elliston <bje@au.ibm.com>
12329 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12331 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12334 * tree-ssa-pre.c (phi_translate): Return NULL
12335 for AGGREGATE_TYPE's.
12337 2006-01-24 Zack Weinberg <zackw@panix.com>
12339 * genautomata.c (process_state_for_insn_equiv_partition):
12340 Use xcalloc for insn_arcs_array.
12341 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12342 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12344 2006-01-24 Richard Henderson <rth@redhat.com>
12346 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12347 update all callers.
12349 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12351 PR rtl-optimization/25890
12352 PR rtl-optimization/25905
12353 * combine.c (expand_compound_operation, expand_field_assignment):
12354 Fail if the bitfield's final position is out of bounds.
12356 2006-01-24 Ian Lance Taylor <ian@airs.com>
12358 PR middle-end/25930
12359 * cgraphunit.c (cgraph_output_in_order): Don't clear
12360 cgraph_asm_nodes until after asm strings have been output.
12362 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12364 * fix-header.c (read_scan_file): Add new parameter imultilib when
12365 calling register_include_chains.
12367 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12369 * omp-low.c: Update documentation.
12371 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12372 Daniel Berlin <dberlin@dberlin.org>
12376 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12377 return from the function.
12379 2006-01-22 Zack Weinberg <zackw@panix.com>
12381 * rtl.def (match_code): Add second argument.
12382 * genpreds.c (write_extract_subexp): New function.
12383 (write_match_code): Add path argument. Use write_extract_subexp.
12384 (write_predicate_expr): Pass path to write_match_code.
12385 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12386 not perform a mode test.
12387 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12388 a subexpression does not constrain the top-level code set.
12389 * read-rtl.c (read_rtx_variadic): New function.
12390 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12391 * doc/md.texi: Document new notation.
12392 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12393 (cmpsi_operand): ... here, using new notation.
12395 2006-01-22 Zack Weinberg <zackw@panix.com>
12397 * varray.c: Remove GENERATOR_FILE #ifdefs.
12399 2006-01-22 Zack Weinberg <zackw@panix.com>
12401 * genautomata.c (output_reserved_units_table): Emit nothing if
12402 description->query_units_num is zero. Remove extra blank line.
12403 (output_cpu_unit_reservation_p): Short circuit
12404 if description->query_units_num is zero.
12406 2006-01-22 Zack Weinberg <zackw@panix.com>
12408 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12409 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12410 nor any of the random handful of variables that used to be necessary
12411 when this program was linked with rtlanal.o. Prune set of forward
12412 function declarations.
12413 (struct attr_desc): Remove static_p field.
12414 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12415 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12416 (attr_string): Do not read the character one past the length of
12418 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12419 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12420 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12421 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12422 (make_automaton_attrs): New.
12423 (main): Do not call into genautomata. Call local gen_bypass
12424 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12425 Remove special case for insn_alts.
12426 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12427 varray.h (leftover from previous change). Prune set of forward
12428 function declarations. Remove state_alts fields from all
12429 structures. Remove state_alts_table from struct automaton.
12430 Make everything except main static. Do not maintain num_dfa_decls.
12431 Do not maintain state_alts fields of various structures.
12432 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12433 (add_arc): Remove state_alts argument. All callers updated.
12434 (output_reserved_units_table): Emit #ifdef here...
12435 (output_tables): ...not here. Don't generate state_alts tables.
12436 (expand_automata): Don't generate attributes.
12437 (write_automata): Don't generate state_alts functions.
12438 (main): New function.
12439 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12440 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12441 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12442 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12443 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12444 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12445 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12446 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12448 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12449 * genattrtab.h: Delete file.
12450 * Makefile.in (OBJS-common): Add insn-automata.o.
12451 (insn-automata.o): New rule.
12452 (simple_generated_c): Add insn-automata.c.
12453 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12454 (genprogmd): Add automata.
12455 (build/genattrtab): Needs no extra objects nor libraries.
12456 (build/genautomata): Needs build/vec.o and -lm.
12458 2006-01-22 Zack Weinberg <zackw@panix.com>
12460 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12461 (output_dfa_max_issue_rate, locked_states_num): Delete.
12462 (struct automaton): Add locked_states field.
12463 (output_dead_lock_vect): Save number of locked states in
12464 automaton->locked_states. If it is zero, don't print anything.
12465 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12466 (output_internal_dead_lock_func): Only test the dead_lock_vect
12467 for automata that have locked states.
12468 (output_statistics): Always print the number of locked states for
12469 each automaton. Calculate total number of locked states here.
12470 (write_automata): Don't call output_dfa_max_issue_rate.
12471 * genattrtab.c: Define length_unit_log as a const variable.
12472 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12473 max_insn_queue_index const.
12474 * final.c (length_unit_log): Declare const.
12475 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12477 2006-01-22 Zack Weinberg <zackw@panix.com>
12479 * genautomata.c: Include vec.h, not varray.h.
12480 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12481 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12482 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12483 VEC_* macros operating on appropriately typed vectors, or to
12484 malloced arrays when the size is known in advance. Const-ify
12485 many char* variables and function arguments. No functional changes.
12486 * Makefile.in (build/varray.o): Delete rule.
12487 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12488 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12490 2006-01-22 Zack Weinberg <zackw@panix.com>
12492 * gensupport.c: Define get_insn_name and record_insn_name here.
12493 (read_md_rtx): Call record_insn_name as appropriate.
12494 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12495 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12496 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12498 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12499 (BUILD_VARRAY): Delete.
12500 (genprognormal): Rename genprogmd. Fold in all programs from
12501 genprognoprint; also attrtab.
12502 (build/genattrtab): Just mention genautomata.o and varray.o.
12503 Reorganize a bit, add comments to make the categories clearer.
12505 2006-01-22 Zack Weinberg <zackw@panix.com>
12507 * genconditions.c (condition_table, add_condition): Delete.
12508 (write_conditions): Don't emit n_insn_conditions nor
12509 insn_elision_unavailable. Issue the gcc version #ifdef here,
12510 inside the table, with no #else clause ...
12511 (write_header): ...not here.
12512 (write_writer): New function.
12513 (main): Don't initialize condition_table. Use add_c_test.
12515 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12516 files on the command line.
12517 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12518 Return -1 if there is no entry in the table, don't abort.
12519 (add_c_test, traverse_c_tests): New functions.
12520 * gensupport.h (insn_elision_unavailable, insn_conditions)
12521 (n_insn_conditions): Delete declarations.
12522 (add_c_test, traverse_c_tests): Declare.
12523 * read-rtl.c: Include gensupport.h.
12524 (read_conditions): New function.
12525 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12526 (read_rtx_1): If we get EOF when we were looking for an initial
12527 open paren, return 0. Call read_conditions when appropriate.
12528 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12529 dummy-conditions.o. Eliminate references to insn-conditions.o,
12530 or change them to build/gencondmd.o, as appropriate. Remove
12531 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12532 from $(simple_generated_c). For all files remaining in those
12533 two lists, add insn-conditions.md to the generator command line.
12534 Give insn-constants.h/s-constants their own rules. Add rules
12535 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12536 (build/read-rtl.o): Depend on gensupport.h.
12537 (genprognormal): Include preds.
12538 (genprogearly): Rename genprognoprint; only difference is now that
12539 they don't link with $(BUILD_PRINT).
12540 * dummy-conditions.c: Delete.
12542 2006-01-22 Zack Weinberg <zackw@panix.com>
12544 * genextract.c: Don't include insn-config.h. Do include vec.h.
12545 Declare vectors of int, char, and locstr.
12546 (locstr): New typedef.
12547 (struct extraction): Make all array fields into bare pointers.
12548 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12549 (insn_code_number): Delete.
12550 (accum_extract): New struct.
12551 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12552 (gen_insn): Take insn_code_number as an argument. Use an
12553 accum_extract structure instead of loading data directly into
12554 a struct extraction, and having to know how big it might get.
12555 (walk_rtx): Operate entirely on an accum_extract structure.
12556 (print_path): Avoid unnecessary use of printf.
12557 (print_header): New function, split out of main. Distinguish
12558 more carefully between an unrecognizable insn and an insn that
12559 has the code number of a define_expand.
12560 (main): Pass insn_code_number to gen_insn. Call print_header
12561 only after parsing. Avoid unnecessary use of printf.
12562 * Makefile.in (build/vec.o): New rule.
12563 (build/genextract): Depend on build/vec.o.
12564 (build/genextract.o): Don't depend on insn-config.h.
12566 2006-01-22 Zack Weinberg <zackw@panix.com>
12568 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12569 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12570 practical. Eliminate per-generator-program link rules.
12572 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12574 PR middle-end/24437
12575 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12576 with a call expr to ...
12577 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12579 2006-01-23 Richard Guenther <rguenther@suse.de>
12581 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12582 before make_edge with conditional EDGE_TRUE_VALUE.
12584 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12585 Jan Hubicka <jh@suse.cz>
12586 Richard Guenther <rguenther@suse.de>
12588 PR rtl-optimization/25654
12589 * cfgexpand.c (aggregate_contains_union_type): New function.
12590 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12591 for structure variables that contain a union type.
12593 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12595 * gengtype.c (new_structure): Return the structure.
12596 (create_option): Add an extra "next" argument.
12597 (create_field): New function.
12598 (adjust_field_rtx_def): Use create_option and create_field.
12599 Remove a now-unnecessary call to find_structure.
12600 (adjust_field_tree_def): Likewise.
12601 (note_yacc_type): Remove an unnecessary call to find_structure.
12602 * gengtype.h (new_structure): Return the structure.
12603 (create_option): Add an extra argument.
12604 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12605 (option): Adjust calls to create_option.
12607 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12609 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12611 2006-01-22 Paul Brook <paul@codesourcery.com>
12612 Peter Barada <peter@the-baradas.com>
12614 * config/m68k/m68k.md: Add Coldfire FPU support.
12615 Define FP mode macro and associated attributes.
12616 Use it for float mode patterns.
12617 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12618 (LIBCALL_VALUE): Use m68k_libcall_value.
12619 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12620 (m68k_function_value): Ditto.
12621 (emit_move_sequence): Ditto.
12622 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12623 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12624 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12625 (MULTILIB_EXCEPTIONS): Ditto.
12626 * config/m68k/m68k.opt: Add mcfv4e.
12627 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12628 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12629 (m68k_output_function_prologue): Save ColdFire FPU registers.
12630 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12631 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12632 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12633 ColdFire FPU registers.
12634 (m68k_libcall_value, m68k_function_value): New functions.
12635 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12636 (LIBCALL_VALUE): Use m68k_libcall_value.
12637 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12638 (MASK_COLDFIRE): Add MASK_CFV4E.
12639 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12640 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12641 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12642 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12643 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12644 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12645 * doc/invoke.tex: Document -mcfv4e on m68k.
12647 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12649 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12652 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12655 * c-opts.c (c_common_handle_option): Don't include
12656 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12657 * doc/invoke.texi (C++ Dialect Options): Document that
12658 -Wnon-virtual-dtor is no longer included in -Wall.
12660 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12662 * gcov.c (print_version), gcov-dump.c (print_version),
12663 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12666 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12668 * df-scan.c (problem_SCAN): Added NULL reset function.
12669 (df_scan_reset_blocks): Added code to call reset block function
12670 (df_bb_refs_delete) Fixed comment.
12671 (df_insn_refs_delete): Made tolerant of deleting non existent info
12672 for dataflow problems that need to be reset.
12673 * df-core.c (df_set_blocks): Ditto.
12674 * df.h (struct df_problem): Added reset_fun.
12675 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12676 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12677 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12678 functions to clear out all references to def-use or use-def chains.
12680 2006-01-21 Ben Elliston <bje@au.ibm.com>
12682 * varasm.c (assemble_real): Initialise data array.
12684 2006-01-20 Paul Brook <paul@codesourcery.com>
12686 Merge from csl-arm-branch.
12687 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12688 * config/arm/arm.md (movdi): Force operands[1] to a register
12689 if we have a non-register source.
12690 (*arm_movdi, *movdf_soft_insn): Require that one of the
12691 operands be a register.
12692 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12693 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12695 2006-01-20 DJ Delorie <dj@redhat.com>
12697 * varasm.c (initializer_constant_valid_p): Allow pointers
12698 initialized from integer constants of lesser precision.
12699 (output_constant): Allow non-int-sized pointer modes to be
12700 initialized from integer constants.
12702 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12705 * cppdefault.h (struct default_include): Add multilib flag.
12706 * cppdefault.c (cpp_include_defaults): Set it.
12707 * c.opt (-imultilib): New option.
12708 * c-opts.c (imultilib): New.
12709 (c_common_handle_option): Handle -imultilib.
12710 (c_common_post_options): Likewise.
12711 * c-incpath.c (add_standard_paths, register_include_chains):
12713 * c-incpath.h (register_include_chains): Add extra parameter.
12714 * gcc.c (do_spec_1): Generate -imultilib option.
12715 (The Specs Language): Update %I description.
12716 (process_command): Update copyright notice.
12717 * doc/cppopts.texi (-imultilib): Document.
12718 * doc/invoke.texi (-imultilib): Include in option summary.
12719 (%I): Update specs documentation.
12721 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12723 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12725 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12727 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12730 2006-01-20 Richard Guenther <rguenther@suse.de>
12731 Steven Bosscher <stevenb.gcc@gmail.com>
12733 PR rtl-optimization/24626
12734 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12735 EDGE_TRUE_VALUE if in RTL mode.
12738 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12739 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12741 2006-01-20 Dirk Mueller <dmueller@suse.com>
12744 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12745 instead of a special NOP marker.
12746 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12747 NOP marker handling.
12748 * c-common.h (empty_body_warning): Add forward declaration.
12749 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12750 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12752 2006-01-20 Paul Brook <paul@codesourcery.com>
12754 * Makefile.in (lang_checks): Keep going if mkdir fails.
12756 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12758 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12759 be able to clean out basic block when not necessary.
12760 (df_scan_free): Fixed to properly delete information if df is
12761 unused before calling df_finish.
12762 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12763 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12765 (df_bb_refs_delete): New function.
12766 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12767 * df-core.c (df_set_blocks): Added code to properly clean out
12768 unused blocks if they are not part of the blocks to consider.
12769 Added additional null check.
12770 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12771 be able to clean out basic block when not necessary
12772 * df.h (df_free_bb_function): Ditto.
12773 (df_bb_refs_delete): New function.
12774 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12775 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12776 basic block parameter to be able to clean out basic block when not
12778 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12779 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12780 Fixed to properly delete information if df is unused before
12783 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12785 PR rtl-optimization/25799
12786 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12787 Corrected confluence operator to remove bits from op2 before oring
12788 with op1 rather than removing bits from op1.
12789 (df_ru_transfer_function): Corrected test on wrong bitmap which
12790 caused infinite loop. Both of these problems were introduced in
12791 the dataflow rewrite.
12793 2006-01-19 DJ Delorie <dj@redhat.com>
12795 * reload1.c (find_reload_regs): Note the details of reload
12796 failures in the dump file.
12797 (spill_failure): Likewise.
12799 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12801 * loop-iv.c: Include df.h and hashtab.h.
12802 (enum iv_grd_result): New enum.
12803 (DF_REF_IV, DF_REF_IV_SET): New macros.
12804 (struct biv_entry): New.
12805 (df, bivs): New global variables.
12806 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12807 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12809 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12810 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12811 analyzed_for_bivness_p, record_biv): New functions.
12812 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12813 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12814 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12816 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12818 (iv_number_of_iterations): Use new interface to iv analysis.
12819 * loop-unroll.c: Do not include varray.h.
12820 (analyze_iv_to_split_insn): Use new interface to iv
12822 * loop-unswitch.c (may_unswitch_on): Ditto.
12823 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12825 (df_bb_modify): Realloc tables to the new index.
12826 (df_find_use): New function.
12827 * df.h (df_find_use): Declare.
12828 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12830 * cfgloop.h (struct rtx_iv): Remove analysed field.
12831 (iv_get_reaching_def): Removed.
12832 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12833 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12834 (loop-iv.o): Add df.h and hashtab.h dependency.
12835 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12837 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12840 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12842 (__floatundisf, __floatundidf): Likewise.
12843 * libgcc2.h (IS_IBM_EXTENDED): Define.
12845 2006-01-19 DJ Delorie <dj@redhat.com>
12847 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12849 2006-01-19 Paul Brook <paul@codesourcery.com>
12851 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12852 as nothrow when unwinding tables are disabled.
12854 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12857 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12858 of bit-field" when in system header.
12860 2006-01-19 DJ Delorie <dj@redhat.com>
12862 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12863 the 16 bit shift limit of the m16c.
12865 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12868 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12869 * config/i386/i386.c (output_set_got): Output the label if we have one
12870 for the TARGET_DEEP_BRANCH_PREDICTION case.
12872 2006-01-19 Jan Hubicka <jh@suse.cz>
12873 H.J. Lu <hongjiu.lu@intel.com>
12874 Evandro Menezes <evandro.menezes@amd.com>
12876 * invoke.texi (generic): Document
12878 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12879 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12880 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12881 (x86_use_incdec, x86_pad_returns): New variables
12882 (TARGET_CPU_DEFAULT_generic): New constant
12883 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12884 (enum processor_type): Add generic32 and generic64.
12885 * i386.md (cpu attribute): Add generic32/generic64
12886 (movhi splitter): Behave sanely when both partial_reg_dependency and
12887 partial_reg_stall are set.
12888 (K8 splitters): Enable for generic as well.
12889 * predicates.md (incdec_operand): Use TARGET_INCDEC
12890 (aligned_operand): Avoid memory mismatch stalls.
12891 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12892 * ppro.md: Enable for generic32
12893 * i386.c (generic64_cost, generic32_cost): New.
12894 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12895 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12896 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12897 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12898 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12899 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12900 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12901 x86_accumulate_outgoing_args, x86_prologue_using_move,
12902 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12903 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12904 Enable for generic.
12905 (x86_use_incdec, x86_pad_returns): New.
12906 (override_options): Add generic32 and generic64, translate "generic"
12907 to generic32/generic64 and "i686" to "generic32", refuse
12908 "generic32"/"generic64" as arch target.
12909 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12910 (ix86_reorg): Honor PAD_RETURNS.
12912 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12914 * tree-pretty-print.c (dump_generic_node): Handle
12915 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12916 * cgraph.c (cgraph_expand_queue): Rename from
12917 cgraph_analyze_queue. Update all users.
12918 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12919 cgraph_expand_queue.
12920 (cgraph_expand_all_functions): Likewise.
12921 (cgraph_finalize_pending_functions): Remove. Update callers.
12923 * tree.h (OMP_DIRECTIVE_P): Define.
12924 (OMP_PARALLEL_FN): Define.
12925 (OMP_PARALLEL_DATA_ARG): Define.
12926 (OMP_SECTIONS_SECTIONS): Define.
12927 * tree-pass.h (pass_expand_omp): Declare.
12928 * omp-low.c (struct omp_region): Declare.
12929 (struct omp_context): Remove fields 'parallel_type',
12930 'parallel_start_ix' and 'parallel_start_additional_args'.
12932 (struct omp_for_data): Rename from struct expand_omp_for_data.
12933 (omp_regions): New static variable.
12934 (root_omp_region): New static variable.
12935 (find_omp_clause): Make static.
12936 (is_in_combined_parallel_ctx): Remove.
12937 (is_combined_parallel): New.
12938 (extract_omp_for_data): Move earlier in the file.
12939 (workshare_safe_to_combine_p): New.
12940 (get_ws_args_for): New.
12941 (determine_parallel_type): Move earlier in the file.
12942 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12944 (omp_copy_decl): Likewise.
12945 (create_omp_child_function): Likewise.
12946 (lookup_omp_region): New.
12947 (dump_omp_region): New.
12948 (debug_omp_region): New.
12949 (debug_all_omp_regions): New.
12950 (new_omp_region): New.
12951 (scan_omp_parallel): If parallel_nesting_level > 1, the
12952 directive is nested within another parallel directive.
12953 Set OMP_PARALLEL_FN.
12954 (scan_omp_for): Do not try to handle combined parallel+for
12956 Remove FIXME comment.
12957 (scan_omp_nested): Remove.
12958 (scan_omp_1): Do not call scan_omp_nested when
12959 parallel_nesting_level is > 1.
12960 Do not change the DECL_CONTEXT of local variables found.
12961 (lookup_decl_in_outer_ctx): New.
12962 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
12963 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
12964 (lower_reduction_clauses): Rename from expand_reduction_clauses.
12965 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
12966 If CTX is nested, lookup VAR in the outer context when
12967 building copy assignment.
12968 (lower_send_clauses): Rename from expand_send_clauses.
12969 If CTX is nested, lookup VAR in the outer context when
12970 building copy assignments.
12971 (lower_send_shared_vars): Rename from expand_send_shared_vars.
12972 If CTX is nested, lookup VAR in the outer context when
12973 building copy assignments.
12974 (expand_parallel_call): Rename from build_parallel_call.
12975 Handle combined parallel+workshare cases.
12976 Re-implement to emit code into the CFG.
12978 (expand_omp_parallel): Re-implement to emit code into the CFG.
12979 Call move_sese_region_to_fn to outline the sub-graph
12980 containing the parallel region.
12981 (expand_omp_for_1): Remove.
12982 (expand_omp_for_generic): Re-implement to emit code into the
12984 (expand_omp_for_static_nochunk): Likewise.
12985 (expand_omp_for_static_chunk): Likewise.
12986 (expand_omp_for): Likewise.
12987 (expand_omp_sections): Likewise.
12988 (remove_exit_barriers): New.
12989 (expand_omp_synch): New.
12991 (build_omp_regions_1): New.
12992 (build_omp_regions): New.
12993 (execute_expand_omp): New.
12994 (gate_expand_omp): New.
12995 (pass_expand_omp): Define.
12996 (lower_omp_sections): Rename from expand_omp_sections.
12997 Set OMP_SECTIONS_SECTIONS.
12998 (lower_omp_single_simple): Rename from expand_omp_single_simple.
12999 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13000 (lower_omp_single): Rename from expand_omp_simple.
13001 (lower_omp_master): Rename from expand_omp_master.
13002 (lower_omp_ordered): Rename from expand_omp_ordered.
13003 (lower_omp_critical): Rename from expand_omp_critical.
13004 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13005 (lower_omp_for): Re-implement.
13006 (lower_omp_parallel): Re-implement.
13007 (lower_regimplify): Rename from expand_regimplify.
13008 (lower_omp_1): Rename from expand_omp_1.
13009 If there are syntax errors in the program, replace every
13010 OpenMP directive with NOP.
13011 Call lower_omp_* instead of expand_omp_*.
13012 (lower_omp): Rename from expand_omp.
13014 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13015 * tree-gimple.h (enum omp_parallel_type): Remove.
13016 (gimple_boolify): Declare extern.
13017 (find_omp_clause, determine_parallel_type): Remove.
13019 * gimple-low.c (lower_omp_directive): New.
13020 (lower_stmt): Call it.
13021 (record_vars_into): Move from ...
13022 (record_vars): ... here.
13023 Call record_vars_into with current_function_decl.
13025 * gimplify.c (struct gimplify_ctx): Remove fields
13026 combined_pre_p and combined_ctxp. Update users.
13027 (get_formal_tmp_var): Add documentation.
13028 (gimple_boolify): Make extern.
13029 (gimplify_expr_in_ctx): Remove. Update callers.
13030 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13031 will always be a BIND_EXPR.
13032 (gimplify_expr): Handle OMP_RETURN_EXPR.
13033 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13034 (OMP_PARALLEL): Add 3 operands.
13035 (OMP_SECTIONS): Add 1 operand.
13036 (OMP_RETURN_EXPR): Define.
13038 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13039 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13040 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13041 creating a circular free list.
13042 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13044 * tree-flow.h (move_sese_region_to_fn): Declare.
13045 (record_vars_into): Declare.
13046 * tree-cfg.c (make_omp_sections_edges): New.
13047 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13048 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13049 OMP_SECTIONS and OMP_SECTION.
13050 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13051 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13052 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13053 (gather_blocks_in_sese_region): New.
13054 (struct move_stmt_d): Declare.
13055 (move_stmt_r): New.
13056 (move_block_to_fn): New.
13057 (move_sese_region_to_fn): New.
13059 * passes.c (init_optimization_passes): Schedule
13060 pass_expand_omp after pass_init_datastructures.
13062 * tree-ssa-operands.c (get_expr_operands): Handle
13063 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13064 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13066 2006-01-19 Jeff Law <law@redhat.com>
13068 * tree-vrp.c (extract_range_from_assert): Refine the result range
13069 if the variable referenced by the ASSERT_EXPR has a range and
13070 either the tentative result range or the previous range is a
13073 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13075 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13077 2006-01-19 Jan Hubicka <jh@suse.cz>
13079 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13081 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13083 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13084 (expand_compound_operation, expand_field_assignment): Fail if the
13085 bit lengths of an extract operation are out of range.
13086 (make_extraction): Compute wanted_inner_mode based on the position
13087 and length of the extraction. Make it extraction_mode for non-constant
13088 positions, and do not modify offset in that case. When generating a
13089 new MEM, use a mode that can hold the extraction while keeping correct
13090 alignment. Remove code that supported MEMs wrapped by USEs.
13091 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13093 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13095 * config/s390/s390.md ("Y", "y"): New mode attribute.
13096 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13097 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13098 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13099 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13100 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13101 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13102 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13103 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13104 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13105 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13106 "addsi3", "subsi3"): Insn patterns removed.
13107 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13108 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13109 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13110 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13111 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13112 "*sub<mode>3_cconly2"): New insn patterns.
13113 ("addsi3", "subsi3"): New expanders.
13115 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13117 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13118 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13119 existing STMT_VINFO_VECTYPE if available.
13120 (vect_mark_relevant): Add special handling for stmts that are
13121 marked as STMT_VINFO_IN_PATTERN_P.
13122 (vect_analyze_loop): Call vect_pattern_recog.
13123 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13124 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13126 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13127 (vect_recog_func_ptr): New function-pointer type.
13128 * tree-vect-patterns.c: New file.
13129 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13130 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13131 (vect_pattern_recog_1): New functions.
13132 (vect_pattern_recog_funcs): New array of function pointers.
13134 * tree-vectorizer.h (ternary_op): New enum value.
13135 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13136 declaration. Revised documentation. Removed redundant dump prints.
13137 Removed redundant argument. Added support for reduction patterns.
13138 (vectorizable_reduction): Added support for reduction patterns.
13139 (vect_transform_stmt): Added support for patterns.
13141 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13142 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13143 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13144 (expand_widen_pattern_expr): New function.
13145 (init_optabs): Initialize new optabs udot_prod_optab,
13147 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13148 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13149 (expand_widen_pattern_expr): New function declaration.
13150 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13152 * tree-inline.c (estimate_num_insns_1): Added cases for new
13153 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13154 * tree-pretty-print.c (dump_generic_node): Likewise.
13155 (op_prio): Likewise.
13156 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13157 * tree-ssa-operands.c (get_expr_operands): Added case for
13159 * tree-vect-patterns.c (widened_name_p): New function.
13160 (vect_recog_dot_prod_pattern): Added function implementation.
13161 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13162 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13163 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13164 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13166 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13167 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13168 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13169 (init_optabs): Initialize new optabs widen_ssum_optab,
13171 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13172 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13173 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13174 use instead of type of def.
13175 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13176 function implementation.
13177 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13178 widen_ssumv8hi): New.
13180 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13183 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13186 * c-decl.c (add_flexible_array_elts_to_size): New function.
13187 (finish_decl): Use it.
13189 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13191 * diagnostic.h: Include options.h.
13192 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13193 dependancies for diagnostic.h.
13194 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13196 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13198 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13199 (ssa_ro_call_cache_valid): Ditto.
13200 * tree-ssa-alias.c (sort_tags_by_id): New function.
13201 (init_transitive_clobber_worklist): Ditto.
13202 (add_to_worklist): Ditto.
13203 (mark_aliases_call_clobbered): Ditto.
13204 (compute_tag_properties): Ditto.
13205 (set_initial_properties): Ditto.
13206 (compute_call_clobbered): Ditto.
13207 (compute_may_aliases): Call compute_call_clobbered and grouping.
13208 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13209 (compute_flow_insensitive_aliasing): Grouping now happens in our
13211 (setup_pointers_and_addressables): Remove clobbering related code.
13212 (add_may_alias): Ditto.
13213 (replace_may_alias): Ditto.
13214 (get_nmt_for): Ditto.
13215 (create_global_var):
13216 (is_escape_site): Return an escape_type enumeration.
13217 * tree-flow-inline.h (is_call_clobbered): Global var does not
13218 imply call clobbered.
13219 (mark_call_clobbered): Take a reason for marking this. Remove
13220 marking of globalness, and cache invalidation.
13221 (clear_call_clobbered): Remove cache invalidation code.
13222 * tree-dfa.c (dump_variable): If details is on, dump the reason
13224 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13226 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13227 (struct var_ann_d): Ditto.
13228 (enum escape_type): New.
13229 (mark_call_clobbered): Adjust prototype.
13230 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13231 are never call clobbered.
13232 Record reasons for escaping.
13233 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13234 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13235 (ssa_ro_call_cache_valid): Ditto.
13236 (clobbered_v_may_defs): Ditto.
13237 (clobbered_vuses): Ditto.
13238 (ro_call_vuses): Ditto.
13239 (clobber_stats): New.
13240 (init_ssa_operands): Zero out clobber stats.
13241 (fini_ssa_operands): Print out clobber stats.
13242 (get_call_expr_operands): Pass callee fndecl to
13243 add_call_read_ops).
13244 (add_call_clobber_ops): Remove use of cache.
13245 Add use of PURE_CONST information.
13246 (add_call_read_ops): Remove use of cache.
13247 Add use of static not_read information.
13249 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13251 Introduce TLS descriptors for i386 and x86_64.
13252 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13253 (TARGET_ANY_GNU_TLS): New macro.
13254 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13255 (struct machine_function): Add tls_descriptor_call_expanded_p.
13256 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13257 (ix86_current_function_calls_tls_descriptor): Likewise.
13258 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13259 (override_options): Introduce gnu2 tls dialect.
13260 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13262 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13264 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13265 (ix86_init_machine_status): Initialize new field.
13266 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13267 (ix86_tls_module_base): New.
13268 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13269 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13270 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13271 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13272 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13273 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13274 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13275 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13276 * config/i386/predicates.md (tls_modbase_operand): New.
13277 (tp_or_register_operand): New.
13279 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13281 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13282 (look_for_address_of): Ditto.
13283 (ipa_init): Walk the function decls.
13284 (static_execute): Don't set readonly on FUNCTION_DECL's.
13286 2006-01-18 Roger Sayle <roger@eyesopen.com>
13288 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13289 for shifts where the source and destination registers are different.
13291 2006-01-18 Paul Brook <paul@codesourcery.com>
13293 Merge from csl-arm-branch.
13294 2005-03-14 Julian Brown <julian@codesourcery.com>
13295 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13296 (aeabi_llsl): Likewise.
13297 (ashrdi3): Likewise.
13298 (aeabi_lasr): Likewise.
13299 (lshrdi3): Likewise.
13300 (aeabi_llsr): Likewise.
13301 2005-03-10 Julian Brown <julian@codesourcery.com>
13302 * config.gcc: Disable shared libgcc for SymbianOS.
13303 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13305 2006-01-18 DJ Delorie <dj@redhat.com>
13307 * c-pragma.c (handle_pragma_diagnostic): New.
13308 (init_pragma): Register it.
13309 * doc/extend.texi: Document it.
13311 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13312 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13313 (diagnostic_context): Add classify_diagnostic[].
13314 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13315 as errors if they're overridden to DK_WARNING.
13316 (diagnostic_initialize): Initialize classify_diagnostic[].
13317 (diagnostic_set_kind_override): New.
13318 (diagnostic_report_diagnostic): Check for kind changes.
13319 * opts.c (common_handle_option): Take lang_mask. Update callers.
13320 Handle OPT_Werror_.
13321 * common.opt (Werror=): New.
13322 * doc/invoke.texi: Document -Werror=*
13324 2006-01-18 Jeff Law <law@redhat.com>
13326 * tree-vrp.c (test_for_singularity): Correct test for new
13327 min limit. Use operand_equal_p rather than pointer equality
13328 for testing if new min/max values are equal.
13330 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13331 using range information until after propagation and folding.
13333 2006-01-18 Richard Henderson <rth@redhat.com>
13334 Aldy Hernandez <aldyh@redhat.com>
13335 Jakub Jelinek <jakub@redhat.com>
13336 Diego Novillo <dnovillo@redhat.com>
13338 * omp-low.c: New file.
13339 * c-omp.c: New file.
13341 2006-01-18 Richard Henderson <rth@redhat.com>
13342 Jakub Jelinek <jakub@redhat.com>
13343 Diego Novillo <dnovillo@redhat.com>
13345 * doc/invoke.texi: Document -fopenmp.
13346 * tree-dump.h (debug_function): Declare.
13347 * hooks.c (hook_bool_tree_bool_false): New function.
13348 (hook_tree_tree_null): Remove.
13349 (hook_tree_tree_tree_null): New.
13350 * hooks.h: Update to match.
13351 * tree-pretty-print.c (debug_tree_chain): New.
13352 (print_generic_expr): Handle TDF_CHAIN.
13353 (dump_generic_node): Handle BLOCK.
13354 Do not abort with incomplete SWITCH_EXPRs.
13355 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13356 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13357 print space after directive name.
13358 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13359 Handle OMP_MASTER and OMP_ORDERED.
13360 Handle printing of OMP_BODY just in one place, goto
13361 dump_omp_body in the rest of OMP_* nodes that have
13363 Don't handle clause nodes here. Update omp statements to
13364 use dump_omp_clauses.
13365 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13366 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13367 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13368 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13369 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13370 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13371 Adjust output for GOMP_PARALLEL.
13372 (dump_omp_clauses): New.
13373 (print_declaration): Dump DECL_VALUE_EXPR.
13374 (op_symbol_1): Split out of op_symbol.
13375 (dumping_stmts): Remove. Update all users.
13376 * cgraph.c (cgraph_analyze_queue): New.
13377 (cgraph_add_new_function): New.
13378 * cgraph.h (cgraph_analyze_queue): Declare.
13379 (cgraph_add_new_function): Declare.
13380 (cgraph_lower_function): Remove.
13381 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13382 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13383 and TYPE_P nodes in its default clause.
13384 (empty_body_p): New.
13385 (tree_range_check_failed): New.
13386 (build5_stat): New.
13387 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13388 OMP_CLAUSE_REDUCTION_MERGE,
13389 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13390 OMP_CLAUSE_PRIVATE_DEBUG,
13391 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13392 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13393 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13394 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13395 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13396 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13397 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13398 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13399 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13400 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13401 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13402 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13403 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13404 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13405 (TREE_RANGE_CHECK): New.
13406 (empty_body_p): Declare.
13407 (enum omp_clause_default_kind): New.
13408 (build_string_literal): Declare.
13409 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13410 (build5_stat, build5): Declare.
13411 * tree-pass.h (TDF_CHAIN): Define.
13412 * tree-pass.h (PROP_gimple_lomp): Define.
13413 (pass_lower_omp): Declare.
13414 * diagnostic.h (debug_tree_chain): Declare.
13415 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13417 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13418 * builtins.c (build_string_literal): Make extern.
13419 * gcc.c (include_spec_function): New.
13420 (static_spec_functions): Add it.
13421 (main): Move load of libgomp.spec ...
13422 (LINK_COMMAND_SPEC): ... here.
13423 (link_gomp_spec): New.
13424 (static_specs): Include it.
13425 (LINK_COMMAND_SPEC): Add link_gomp.
13426 (GOMP_SELF_SPECS): New.
13427 (driver_self_specs): Include it.
13428 (switch_matches): Don't mark inline.
13429 (main): Load libgomp.spec.
13430 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13431 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13432 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13433 * tree-gimple.h (enum omp_parallel): Declare.
13434 (determine_parallel_type): Declare.
13435 (omp_firstprivatize_variable): Declare.
13436 (omp_reduction_init): Declare.
13437 (diagnose_omp_structured_block_errors): Declare.
13438 (struct walk_stmt_info): Add want_return_expr.
13439 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13440 (find_omp_clause): Declare.
13441 (insert_field_into_struct): Declare.
13442 (struct walk_stmt_info): Move from tree-nested.c
13443 (walk_stmts): Declare.
13444 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13446 * cgraphunit.c (cgraph_lower_function): Make static.
13447 (cgraph_finalize_pending_functions): New.
13448 (cgraph_finalize_function): Call it.
13449 (cgraph_finalize_compilation_unit): Likewise.
13450 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13451 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13452 (BT_FN_UINT_UINT): New.
13453 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13454 DEF_FUNCTION_TYPE_VAR_4): Document.
13455 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13456 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13457 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13458 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13459 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13460 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13461 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13462 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13463 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13464 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13465 into separate files.
13466 (DEF_GOMP_BUILTIN): New.
13467 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13468 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13469 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13470 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13471 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13472 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13473 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13474 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13475 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13476 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13477 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13478 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13479 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13480 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13481 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13482 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13483 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13484 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13485 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13486 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13487 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13488 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13489 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13490 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13491 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13492 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13493 * sync-builtins.def: New file, moved from builtins.def.
13494 * omp-builtins.def: New file, moved from builtins.def.
13495 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13496 * gimple-low.c (lower_function_body): Clear data.
13497 (lower_stmt): Do not handle COMPOUND_EXPR.
13498 Remove call to print_node_brief.
13499 * c-tree.h (c_finish_omp_clauses): New prototype.
13500 (C_DECL_THREADPRIVATE_P): Define.
13501 (lookup_name_no_remap, c_omp_remap_private): Remove
13502 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13503 (check_for_loop_decls): Update decl.
13504 (lookup_name_no_remap, c_omp_remap_private): Declare.
13505 (build_indirect_ref, build_modify_expr, pushdecl,
13506 pushdecl_top_level): Move to c-common.h.
13507 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13508 before the switch, but just in the 2 places that need it.
13509 * c-decl.c (diagnose_mismatched_decls): Do not check for
13510 mismatched thread-local attributes when OLDDECL is marked
13511 threadprivate and NEWDECL has no thread-local attributes.
13512 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13513 (c_gimple_diagnostics_recursively): Rename from
13514 c_warn_unused_result_recursively. Invoke
13515 diagnose_omp_structured_block_errors.
13516 (check_for_loop_decls): Return a singular decl found.
13517 * langhooks.c (lhd_omp_predetermined_sharing): Return
13518 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13519 (lhd_omp_firstprivatize_type_sizes): New.
13520 (lhd_omp_assignment): New.
13521 (lhd_omp_predetermined_sharing): New.
13522 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13523 (struct lang_hooks_for_types): Add
13524 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13525 omp_predetermined_sharing, omp_disregard_value_expr,
13526 omp_private_debug_clause, omp_clause_default_ctor,
13527 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13528 (c_finish_omp_clauses): New.
13529 (c_finish_bc_stmt): Diagnose break within omp for.
13530 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13531 (build_unary_op): Return error_mark after reporting
13533 (build_modify_expr): Likewise.
13534 * gimplify.c: Include optabs.h and pointer-set.h.
13535 (enum gimplify_omp_var_data): Declare.
13536 (struct gimplify_omp_ctx): Declare.
13537 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13539 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13540 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13541 (splay_tree_compare_decl_uid): New.
13542 (new_omp_context): New.
13543 (delete_omp_context): New.
13544 (gimple_add_tmp_var): Call omp_add_variable.
13545 (gimplify_bind_expr): Likewise.
13546 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13547 true, disregard DECL_VALUE_EXPR on the decl if any.
13548 (gimplify_expr_in_ctx): New.
13549 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13550 omp_add_variable, omp_notice_variable, omp_is_private
13551 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13552 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13553 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13554 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13555 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13556 gimplify_omp_atomic): New.
13557 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13558 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13559 OMP_CRITICAL and OMP_ATOMIC.
13560 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13561 * c-pragma.h (enum pragma_kind): Add
13562 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13563 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13564 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13565 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13566 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13567 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13568 PRAGMA_OMP_THREADPRIVATE.
13569 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13570 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13571 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13572 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13573 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13574 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13575 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13576 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13577 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13578 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13579 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13580 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13581 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13583 (struct nesting_info): Add field_map,
13584 suppress_expansion, debug_var_chain.
13585 (create_nesting_tree): Initialize them.
13586 (lookup_field_for_decl): Use field_map.
13587 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13588 (convert_local_omp_clauses): New.
13589 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13590 (walk_body): Split out of walk_function.
13591 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13592 (convert_nonlocal_reference): Handle omp statements.
13593 (convert_local_reference): Likewise.
13594 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13595 (unnest_nesting_tree): New.
13596 (lower_nested_functions): Call it.
13597 (insert_field_into_struct): Make extern.
13598 (struct walk_stmt_info): Move to tree-gimple.h.
13599 (walk_stmts): Make extern.
13600 * omp-builtins.def: New file.
13601 * tree-iterator.c (expr_only): Clarify comment.
13602 * c-common.h (pushdecl_top_level, pushdecl,
13603 build_modify_expr, build_indirect_ref,
13604 c_finish_omp_master, c_finish_omp_critical,
13605 c_finish_omp_ordered, c_finish_omp_barrier,
13606 c_finish_omp_atomic, c_finish_omp_flush,
13607 c_finish_omp_for, c_split_parallel_clauses,
13608 omp_clause_default_kind, c_omp_sharing_predetermined,
13609 c_omp_remap_decl): Declare.
13610 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13611 (OBJS-common): Add omp-low.o.
13612 (c-omp.o, omp-low.o): Add.
13613 (gimplify.o): Add dependency on $(OPTABS_H).
13614 (GTFILES): Add omp-low.c.
13615 (gt-stringpool.h): Add.
13616 * tree-cfg.c (set_bb_for_stmt): Do not update the
13617 block-to-labels map if we are currently expanding to RTL.
13618 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13620 Handle IDENTIFIER_NODE.
13621 (tree_verify_flow_info): Do not ICE when emitting error
13622 messages about invalid labels.
13623 (dump_function_to_file): Reset CFUN before emitting the body
13625 (debug_function): New.
13626 * passes.c (init_optimization_passes): Schedule
13628 * langhooks-def.h (lhd_omp_predetermined_sharing,
13629 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13631 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13632 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13633 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13634 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13635 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13636 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13637 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13638 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13639 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13640 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13641 (LANG_HOOK_DECLS): Use them.
13643 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13644 Richard Henderson <rth@redhat.com>
13645 Jakub Jelinek <jakub@redhat.com>
13646 Diego Novillo <dnovillo@redhat.com>
13648 * c-parser.c (pragma_omp_clause): Define.
13649 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13650 (c_parser_compound_statement): Likewise.
13651 (c_parser_statement): Likewise.
13652 (c_parser_pragma): Handle omp pragmas.
13653 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13654 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13655 (c_parser_omp_clause_name, check_no_duplicate_clause,
13656 c_parser_omp_variable_list,
13657 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13658 c_parser_omp_clause_copyprivate,
13659 c_parser_omp_clause_default,
13660 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13661 c_parser_omp_clause_lastprivate,
13662 c_parser_omp_clause_nowait,
13663 c_parser_omp_clause_num_threads,
13664 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13665 c_parser_omp_clause_reduction,
13666 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13667 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13668 c_parser_omp_atomic, c_parser_omp_barrier,
13669 c_parser_omp_critical, c_parser_omp_flush,
13670 c_parser_omp_for_loop, c_parser_omp_for,
13671 c_parser_omp_master, c_parser_omp_ordered,
13672 c_parser_omp_sections_scope, c_parser_omp_sections,
13673 c_parser_omp_parallel, c_parser_omp_single,
13674 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13675 * c-pragma.c (init_pragma): Do omp pragma registration here.
13676 * c.opt (fopenmp): New flag.
13678 2006-01-18 Eric Christopher <echristo@apple.com>
13680 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13681 * config/darwin.h (GOMP_SELF_SPECS): Define.
13683 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13685 * rtl.h: Remove the prototype for reg_alloc.
13687 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13690 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13691 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13692 sjlj and dwarf2 exception handling.
13693 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13694 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13695 * pa/pa.c (function_value): Treat complex and vector types as
13697 (function_arg): Likewise. Only pass scalar floats in the floating
13698 point argument registers.
13699 * pa/t-slibgcc-dwarf-ver: New file.
13700 * pa/t-slibgcc-sjlj-ver: New file.
13701 * pa/t-slibgcc-elf-ver: Delete file.
13703 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13705 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13706 unlikely_test_section_p test.
13708 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13710 * mode-switching.c (optimize_mode_switching): Make it static.
13711 * basic-block.h: Remove the prototype for
13712 optimize_mode_switching.
13714 * modulo-sched.c (sms_schedule): Make it static.
13715 * rtl.h: Remove the prototype for sms_schedule.
13717 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13718 * rtl.h: Remove the prototype for gcse_after_reload_main.
13720 * reg-stack.c (reg_to_stack): Make it static.
13721 * rtl.h: Remove the prototype for reg_to_stack.
13723 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13725 * rtl.h: Remove the prototypes for regrename_optimize and
13726 copyprop_hardreg_forward.
13728 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13730 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13731 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13732 Test against the appropriate null constant for the mode.
13733 If 'fixup_overlap' is true, swap the operands if they overlap.
13734 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13735 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13736 alpha_split_tmode_pair and adjust for above change.
13737 * config/alpha/alpha.md (movtf_internal): Adjust call to
13738 alpha_split_tfmode_pair and rely on it to swap the operands.
13739 (movti_internal): New insn and post-reload splitter.
13740 (movti): New expander.
13742 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13744 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13747 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13749 * rtlanal.c (global_reg_mentioned_p_1,
13750 global_reg_mentioned_p): Remove.
13751 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13753 * flow.c (initialize_uninitialized_subregs): Make it static.
13754 * rtl.h: Remove the prototype for
13755 initialize_uninitialized_subregs.
13757 * function.c (instantiate_virtual_regs): Make it static.
13758 * function.h: Remove the prototype for
13759 instantiate_virtual_regs.
13761 * regmove.c (regmove_optimize, combine_stack_adjustments):
13763 * rtl.h: Remove the prototypes for regmove_optimize and
13764 combine_stack_adjustments.
13766 2006-01-17 Roger Sayle <roger@eyesopen.com>
13768 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13769 (size_cost): Encode costs in bytes so that a reg-reg addition is
13770 equivalent to COSTS_N_INSNS(1).
13771 (override_options): Use the size_cost.branch_cost as the default
13772 ix86_branch_cost when optimizing for size.
13774 2006-01-18 Ben Elliston <bje@au.ibm.com>
13776 * Makefile.in (D32PBIT_FUNCS): New.
13777 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13778 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13779 D64PBIT_FUNCS and D128PBIT_FUNCS.
13780 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13781 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13783 (decnumber_dep): Define.
13784 * doc/libgcc.texi (Decimal float library routines): New node.
13785 * config/dfp-bit.h, config/dfp-bit.c: New files.
13787 2006-01-18 Ben Elliston <bje@au.ibm.com>
13789 * expr.c (emit_move_change_mode): Always adjust addresses, not
13790 just during reload. Copy replacements only during reload.
13791 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13792 emit_move_via_integer.
13794 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13796 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13797 instead of $(srcdir) and ${srcdir}.
13799 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13802 PR middle-end/11135
13803 * arm.h (struct machine_function): Add pic_reg.
13804 * arm.c (arm_pic_register): Make unsigned.
13805 (arm_override_options): Only set arm_pic_register if
13806 TARGET_SINGLE_PIC_BASE.
13807 (use_return_insn): Only test for a pic register if it is fixed.
13808 (arm_compute_save_reg0_reg12_mask): Likewise.
13809 (thumb_compute_save_reg_mask): Likewise.
13810 (legitimate_pic_operand): Factor out some known invariants.
13811 (legitimize_pic_address): If we don't have a fixed pic register,
13812 then set up a pseudo in the function entry sequence. Handle the
13813 pic base being in a pseudo.
13814 (arm_load_pic_register): Handle the pic register being in a pseudo.
13815 (arm_expand_prologue): Only set up the pic register if it is fixed.
13816 (thumb_expand_prologue): Likewise.
13817 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13818 (pic_load_addr_based_insn): Likewise.
13819 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13822 2006-01-18 Ben Elliston <bje@au.ibm.com>
13824 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13825 decimal float modes for all floating point registers.
13827 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13828 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13830 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13833 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13834 even when the pointer is not NULL.
13836 2006-01-16 Ian Lance Taylor <ian@airs.com>
13838 * common.opt (ftoplevel-reorder): New option.
13839 * cgraph.c (cgraph_asm_nodes): New global variable.
13840 (cgraph_asm_last_node): New static variable.
13841 (cgraph_order): New global variable.
13842 (cgraph_create_node): Set new order field.
13843 (cgraph_varpool_node): Likewise.
13844 (decide_is_variable_needed): Return true if not
13845 flag_toplevel_reorder.
13846 (cgraph_add_asm_node): New function.
13847 * cgraph.h (struct cgraph_node): Add order field.
13848 (struct cgraph_varpool_node): Add order field.
13849 (struct cgraph_asm_node): Define.
13850 (cgraph_asm_nodes, cgraph_order): Declare.
13851 (cgraph_add_asm_node): Declare.
13852 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13854 (cgraph_varpool_assemble_pending_decls): Call it.
13855 (cgraph_output_pending_asms): New static function.
13856 (cgraph_finalize_compilation_unit): Call it.
13857 (struct cgraph_order_sort): Define.
13858 (cgraph_output_in_order): New static function.
13859 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13860 !flag_toplevel_reorder case.
13861 * c-parser.c: Include "cgraph.h".
13862 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13864 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13865 than -fno-unit-at-a-time.
13866 * doc/invoke.texi (Option Summary): Mention
13867 -fno-toplevel-reorder.
13868 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13869 -funit-at-a-time documentation.
13871 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13872 Kazu Hirata <kazu@codesourcery.com>
13874 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13876 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13878 * Makefile.in (FUNCTION_H): New. Use it instead of
13879 function.h throughout the file.
13880 * function.h: Include tree.h.
13882 2006-01-17 Ben Elliston <bje@au.ibm.com>
13884 * recog.c: Separate some functions with whitespace.
13886 2006-01-16 Richard Henderson <rth@redhat.com>
13888 Merge from gomp branch:
13889 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13890 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13891 and rename from struct inline_data. Rename callee* to dst*;
13892 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13893 transform_new_cfg, transform_return_to_modify, and
13894 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13896 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13897 (copy_decl_for_dup): Remove.
13898 * tree-inline.c (struct inline_data): Move to header.
13899 (insert_decl_map): Export.
13900 (remap_decl): Update for member name changes. Use copy_decl hook.
13901 Allow for replacement to be a non-decl. Remove dead code.
13902 (remap_type_1): Check for existing mapping.
13903 (remap_type): Export.
13904 (remap_decls): Update for member name changes.
13905 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13906 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13907 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13908 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13909 (tree_function_versioning, build_duplicate_type): Likewise.
13910 (copy_body_r): Likewise. Export.
13911 (copy_decl_for_dup): Split into ...
13912 (copy_decl_for_dup_finish, copy_decl_to_var,
13913 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13914 (replace_ref_tree, inlining_p): Remove.
13916 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13918 * ifcvt.c (if_convert): Make it static.
13919 * rtl.h: Remove the prototype for if_convert.
13921 * local-alloc.c (local_alloc): Make it static.
13922 * rtl.h: Remove the prototype for local_alloc.
13924 * loop.c (loop_optimize): Make it static.
13925 * cfgloop.h: Remove the prototype for loop_optimize.
13928 2006-01-16 DJ Delorie <dj@redhat.com>
13930 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13933 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13935 * pa.md: Disparage copies between general and floating-point registers
13936 in 32-bit move patterns.
13938 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13941 * Makefile.in (check-%): Depend on site.exp instead of
13942 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13945 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13947 * global.c (global_alloc): Make it static.
13948 * rtl.h: Remove the prototype for global_alloc.
13950 2006-01-16 Richard Guenther <rguenther@suse.de>
13952 * tree-ssa-alias.c (struct used_part): Add write_only field.
13953 (get_or_create_used_part_for): Initialize it to true.
13954 (create_overlap_variables_for): Don't create structure variables
13955 for structures that only are written to.
13956 (find_used_portions): Handle MODIFY_EXPR to track whether a
13957 structure is only written to.
13959 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13961 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
13963 * basic-block.h: Remove the prototype for
13964 partition_hot_cold_basic_blocks.
13966 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
13968 * cppspec.c (lang_specific_spec_functions): Remove.
13969 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
13970 * gcc.h (lang_specific_spec_functions): Remove.
13971 * gccspec.c (lang_specific_spec_functions): Remove.
13973 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
13975 * combine.c (record_value_for_reg): Invalidate registers
13977 (record_dead_and_set_regs_1): Likewise, by passing them to
13978 record_value_for_reg.
13979 (record_dead_and_set_regs): Invalidate stores made by a
13980 call. We do not combine across a call, but we still
13981 relied on equivalences.
13983 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
13985 * tree-vrp.c (extract_range_from_binary_expr): Cope with
13986 vrp_int_const_binop returning non-constant nodes.
13988 2006-01-16 Paul Brook <paul@codesourcery.com>
13990 * config/m68k/m68k.c (output_move_const_into_data_reg):
13991 Output correct mnemonic for mvz and mvs.
13993 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
13995 * rtl-factoring.c: Add sequence abstraction algorithm.
13996 * cfgcleanup.c (outgoing_edges_match): Extra checks.
13997 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
13999 (block_has_preserve_label): New function.
14000 * common.opt: Register new pass.
14001 * Makefile.in: Ditto.
14003 * timevar.def: Ditto.
14004 * tree-pass.h: Ditto.
14005 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14006 * rtl.h (make_jump_insn_raw): Add forward decl.
14007 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14009 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14010 Roger Sayle <roger@eyesopen.com>
14012 * fold-const.c (fold_minmax): New static function.
14013 (fold_binary) <MIN_EXPR>: Call it.
14014 <MAX_EXPR>: Likewise.
14015 * stor-layout.c (place_field): Use DECL_SIZE consistently
14016 in the computation of the new record size.
14018 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14020 * cse.c (cse_condition_code_reg): Make it static.
14021 * rtl.h: Remove the prototype for cse_condition_code_reg.
14023 * combine.c (combine_instructions): Make it static.
14024 * rtl.h: Remove the prototype for combine_instructions.
14026 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14029 * tree.c (get_file_function_name_long): Concatenate the first global
14030 object name with a string derived from the input filename of the object
14033 2006-01-16 Ben Elliston <bje@au.ibm.com>
14035 * config/i386/winnt-stubs.c: Update FSF address.
14036 * config/xtensa/ieee754-df.S: Ditto.
14037 * config/xtensa/ieee754-sf.S: Ditto.
14039 2006-01-14 Ian Lance Taylor <ian@airs.com>
14041 * ifcvt.c (noce_init_if_info): New static function, broken out of
14042 noce_process_if_block.
14043 (noce_process_if_block): Call noce_init_if_info.
14044 (check_cond_move_block): New static function.
14045 (cond_move_process_if_block): New static function.
14046 (process_if_block): Call cond_move_process_if_block.
14048 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14050 * cselib.c (hash_table): Rename to cselib_hash_table.
14051 (cselib_clear_table, discard_useless_values,
14052 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14053 cselib_init, cselib_finish): Adjust uses of hash_table.
14055 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14057 PR tree-optimization/25485
14058 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14059 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14060 is known to be false and true, respectively.
14062 2006-01-14 Richard Guenther <rguenther@suse.de>
14064 PR tree-optimization/22548
14065 PR tree-optimization/22555
14066 PR tree-optimization/22501
14067 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14068 * params.def (salias-max-array-elements): New parameter.
14069 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14070 * doc/invoke.texi (salias-max-array-elements): Document.
14071 * tree-flow-inline.h (var_can_have_subvars): We also handle
14073 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14075 * tree-ssa-structalias.c (params.h): Include.
14076 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14077 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14078 (get_constraint_for): For ADDR_EXPR operating on something
14079 containing an ARRAY_REF, add all subvars to the solution.
14080 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14081 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14082 for creating MUST_DEFs.
14083 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14085 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14087 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14089 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14090 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14091 number_of_iterations_le): New functions.
14092 (number_of_iterations_special): Removed.
14093 (number_of_iterations_exit): Do not use number_of_iterations_special.
14094 * tree.c (unsigned_type_for): Always return integer type.
14096 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14097 Richard Guenther <rguenther@suse.de>
14099 PR rtl-optimization/24257
14100 * gcse.c (find_moveable_store): Only consider a store movable
14101 when the SET_SRC of the insn can be assigned to a register.
14103 2006-01-14 Ian Lance Taylor <ian@airs.com>
14105 * tree.c (tree_not_class_check_failed): New function.
14106 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14107 (tree_not_class_check_failed): Declare.
14109 2006-01-13 Ian Lance Taylor <ian@airs.com>
14111 * reload1.c (do_output_reload): Add assertion rejecting a
14114 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14116 * combine.c (struct reg_stat): Add new fields truncation_label and
14118 (record_value_for_reg): Reset truncated_to_mode.
14119 (record_truncated_value): New function.
14120 (check_promoted_subreg): Call it. Rename to check_conversions.
14121 (combine_instructions): Rename check_promoted_subreg to
14123 (reg_truncated_to_mode): New function.
14124 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14125 (gen_lowpart_or_truncate): New function.
14126 (force_to_mode): Use it instead of gen_lowpart.
14128 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14130 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14131 VAR is a tag, not its type tag.
14133 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14135 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14136 alternatives to match style of other entries.
14137 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14139 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14141 PR tree-optimization/25771
14142 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14145 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14148 * tree-inline.c (declare_return_variable): If the return variable
14149 was marked as a non gimple complex, set the return slot variable
14150 to be a non gimple comple variable.
14152 2006-01-13 Richard Guenther <rguenther@suse.de>
14154 * builtins.c (expand_builtin_sincos): New function.
14155 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14157 (expand_builtin): Expand sincos using expand_builtin_sincos.
14159 2006-01-12 DJ Delorie <dj@redhat.com>
14161 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14162 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14163 so that constant shifts can be split.
14164 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14165 (m32c_valid_pointer_mode): Make static.
14166 (shift_gen_func_for): New.
14167 (m32c_prepare_shift): Use it. Split large const shifts into
14169 * config/m32c/predicates.md (shiftcount_operand): Allow more
14171 (longshiftcount_operand): New.
14172 * doc/md.texi (Machine Constraints): Document In6.
14174 2006-01-13 Ben Elliston <bje@au.ibm.com>
14176 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14177 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14180 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14182 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14183 to try to avoid clobbering pieces of structures when we know
14184 something about the whole structure.
14185 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14187 2006-01-13 Ben Elliston <bje@au.ibm.com>
14189 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14190 return in memory, as this is no limitation is no longer present.
14192 2006-01-12 DJ Delorie <dj@redhat.com>
14194 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14195 mova with fb, and for fb+0 -> An.
14197 * config/m32c/mov.md (peephole2): Fix enabling logic.
14199 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14200 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14201 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14202 FINI_ARRAY_SECTION_ASM_OP): Define.
14204 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14206 (m32c_legitimize_reload_address): New logic to reload FB to An.
14207 (m32c_output_reg_push): Add newline.
14208 (m32c_output_reg_pop): Likewise.
14210 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14212 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14214 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14216 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14218 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14220 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14223 2006-01-11 Ben Elliston <bje@au.ibm.com>
14225 * rtlanal.c (find_reg_note): Assert insn is not null.
14227 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14229 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14232 2006-01-11 Jeff Law <law@redhat.com>
14234 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14236 (mark_threaded_blocks, register_jump_thread): New functions.
14237 (thread_through_all_blocks): Remove unwanted argument. No
14238 longer rely on e->aux to communicate thread target info.
14239 Call mark_threaded_blocks. Release the threaded_blocks
14240 bitmap and threaded_edges vector when complete.
14241 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14242 (threaded_blocks): Remove.
14243 (tree_ssa_dominator_optimize): Remove initialization and
14244 finalization of threaded_blocks. Simplify call to
14245 thread_through_all_blocks.
14246 (thread_across_edge): Call register_jump_thread rather than
14247 storing thread information into e->aux.
14248 (free_all_edge_infos): Simplify now that e->aux is no longer
14249 used to communicate with thread_through_all_blocks.
14250 * tree-flow.h (thread_through_all_blocks): Update prototype.
14251 (register_jump_thread): Prototype.
14253 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14255 * df-core.c (df_compact_blocks, df_bb_replace): Use
14256 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14258 2006-01-11 Richard Guenther <rguenther@suse.de>
14260 PR tree-optimization/25734
14261 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14262 stop propagation after successful propagation to the LHS.
14264 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14266 * basic-block.h (control_flow_graph): Change the type of
14267 x_basic_block_info to VEC(basic_block,gc) *.
14268 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14270 (SET_BASIC_BLOCK): New.
14271 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14272 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14273 * cfgbuild.c (find_basic_blocks): Likewise.
14274 * cfglayout.c (fixup_reorder_chain): Likewise.
14275 * cfgrtl.c (create_basic_block_structure,
14276 rtl_create_basic_block): Likewise.
14277 * ifcvt.c (find_if_case_1): Likewise.
14278 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14281 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14283 * Makefile.in: Removed rotted odf.c entry.
14285 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14288 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14289 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14290 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14291 output pattern modifier, not %e.
14292 * config/cris/cris.c (cris_op_str): Update comment about pattern
14294 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14295 before falling through into...
14296 <case 'E'>: Redefined from old 'e' case.
14298 2006-01-11 Jan Hubicka <jh@suse.cz>
14301 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14303 2006-01-11 Jan Hubicka <jh@suse.cz>
14305 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14306 * i386.c (x86_decompose_lea): Kill.
14307 (ix86_rtx_costs): Kill.
14309 2006-01-11 Jan Hubicka <jh@suse.cz>
14311 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14312 * cgraph.h (cgraph_node): Add inline_decl.
14313 (cgraph_insert_node_to_hashtable): Declare.
14314 (save_inline_function_body): Declare.
14315 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14317 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14318 (cgraph_function_versioning): Update call of tree_function_versioning.
14319 (save_inline_function_body): New function.
14320 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14321 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14322 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14323 (cgraph_default_inline_p): Likewise.
14324 (cgraph_decide_inlining_incrementally): Likewise.
14325 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14326 (copy_bb): Kill saving; do updating of clones.
14327 (copy_cfg_body): Kill saving.
14328 (initialize_inlined-parameters): Likewise.
14329 (expand_call_inline): Likewise.
14331 (tree_function_versioning): New parameter "update_clones".
14332 (inlining_p): Kill saving.
14333 * tree-inline.h (tree_function_versioning): Update prototype.
14334 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14337 2006-01-11 Ian Lance Taylor <ian@airs.com>
14339 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14340 Allow undoing set of machine mode.
14341 (do_SUBST): Use enums instead of is_int.
14342 (do_SUBST_MODE): New function.
14343 (SUBST_MODE): New macro.
14344 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14345 reg and trying to replace reg_regno_rtx with a new register.
14346 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14347 (simplify_set): Use SUBST_MODE.
14348 (distribute_notes): Remove code that tried to update reg notes
14349 for regno_reg_rtx changes.
14351 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14353 PR tree-optimization/23109
14354 PR tree-optimization/23948
14355 PR tree-optimization/24123
14357 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14358 * tree-cfg.c (single_noncomplex_succ): New.
14359 * tree-flow.h (single_noncomplex_succ): Declare it.
14360 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14361 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14362 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14363 insert_bb, register_division_in, insert_reciprocals,
14364 replace_reciprocal, free_bb): New.
14365 (execute_cse_reciprocals_1): Rewritten.
14366 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14367 Do not commit any edge insertion. Always compute dominators and
14368 create the allocation pool.
14369 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14370 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14371 * targhooks.c (default_min_divistions_for_recip_mul): New.
14372 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14373 * passes.c (init_optimization_passes): Run recip after tree loop
14375 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14377 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14378 Kenneth Zadeck <zadeck@naturalbridge.com>
14380 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14381 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14382 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14383 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14384 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14385 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14386 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14387 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14388 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14389 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14390 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14391 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14392 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14393 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14394 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14395 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14396 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14397 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14398 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14399 DF_SCAN_POST_ALLOC): New macros.
14400 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14401 df_free_bb_function, df_local_compute_function, df_init_function,
14402 df_dataflow_function, df_confluence_function_0,
14403 df_confluence_function_n, df_transfer_function,
14404 df_finalizer_function, df_free_function, df_dump_problem_function,
14405 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14406 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14407 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14408 df_urec_bb_info, ) New types.
14409 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14411 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14412 df_analyze_simple_change_some_blocks,
14413 df_analyze_simple_change_one_block, df_compact_blocks,
14414 df_bb_replace, df_bb_regno_last_use_find,
14415 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14416 df_insn_regno_def_p, df_find_def, df_find_use,
14417 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14418 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14419 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14420 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14421 debug_df_chain, df_get_dependent_problem, df_chain_create,
14422 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14423 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14424 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14425 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14426 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14427 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14428 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14429 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14430 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14431 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14432 df_reorganize_refs, df_set_state, df_hard_reg_init,
14433 df_read_modify_subreg_p) New public functions.
14434 * df-core.c: The core dataflow solver and glue routines for rtl
14436 (df_init, df_add_problem, df_set_blocks, df_finish,
14437 df_hybrid_search_forward, df_hybrid_search_backward,
14438 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14439 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14440 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14441 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14442 df_reg_defined, df_find_use, df_reg_used, df_dump,
14443 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14444 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14445 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14446 debug_df_useno, reset_df_after_reload): New functions.
14447 * df-scan.c: The scanning fuctions, once in df.c, completely
14448 rewritten so that they now fully model the functionality of
14449 register usage at the backend.
14450 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14451 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14452 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14453 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14454 df_get_artificial_defs, df_get_artificial_uses,
14455 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14456 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14457 df_refs_delete, df_reorganize_refs, df_set_state,
14458 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14459 df_def_record_1, df_defs_record, df_uses_record,
14460 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14461 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14462 df_record_exit_block_uses, df_hard_reg_init): New functions.
14464 * df-problems.c: Seven concrete dataflow problems that use the
14465 scanning in df-scan.c and are solved by the engine in df-core.c.
14466 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14467 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14468 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14469 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14470 df_ru_free_bb_info, df_ru_alloc,
14471 df_ru_bb_local_compute_process_def,
14472 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14473 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14474 df_ru_transfer_function, df_ru_free, df_ru_dump,
14475 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14476 df_rd_free_bb_info, df_rd_alloc,
14477 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14478 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14479 df_rd_transfer_function, df_rd_free, df_rd_dump,
14480 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14481 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14482 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14483 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14484 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14485 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14486 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14487 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14488 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14489 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14490 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14491 df_urec_mark_reg_use_for_earlyclobber,
14492 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14493 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14494 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14495 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14496 df_chain_create_bb_process_use, df_chain_create_bb,
14497 df_chain_finalize, df_chain_free, df_chains_dump,
14498 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14499 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14500 df_reg_lifetime): New functions.
14501 * df.c: Deleted file.
14502 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14503 consistent with new df api.
14504 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14505 rest_of_handle_sms): Ditto.
14506 * web.c (unionfind_union, union_defs, entry_register, web_main):
14508 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14509 invariant_expr_equal_p, find_defs, check_dependencies,
14510 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14511 free_inv_motion_data, move_loop_invariants): Ditto.
14512 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14513 Update dependencies.
14514 (odf.c): Added defective entry that was deleted later in day.
14515 * sched-deps.c (sched_analyze_1): Ditto.
14517 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14519 * tree-ssa-operands.c (get_expr_operands): Record addressable
14520 variables directly. Do not call add_stmt_operands for CONST_DECLs
14522 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14523 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14525 2006-01-11 Ben Elliston <bje@au.ibm.com>
14527 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14528 function returns true in the positive case.
14530 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14533 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14534 for SI, DI, SF and DF modes. Add alternatives to copy between
14535 general and floating point registers to the 32-bit patterns.
14536 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14537 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14538 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14539 generating 64-bit code.
14540 * config/pa/pa.c (output_move_double): Handle copies between general
14541 and floating registers.
14543 2006-01-10 Stuart Hastings <stuart@apple.com>
14545 * config/i386/i386.md (set_got): Update.
14546 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14547 (builtin_setjmp_receiver): Mach-O support.
14548 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14549 (GOT_SYMBOL_NAME): Define.
14550 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14551 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14552 * config/i386/i386.c (override_options): Revise for Darwin.
14553 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14554 support. (darwin_x86_file_end): New. (output_set_got): Add label
14555 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14556 * config/i386/i386-protos.h (output_set_got): Likewise.
14557 * config/darwin.c (machopic_legitimize_pic_address): Update
14560 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14562 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14563 when MODE isn't BLKmode.
14565 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14567 PR rtl-optimization/25367
14568 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14570 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14573 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14574 for a negative bound.
14576 2006-01-10 Richard Guenther <rguenther@suse.de>
14578 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14579 Never override with anything constraint.
14581 2006-01-10 Jan Beulich <jbeulich@novell.com>
14583 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14584 256 bits when optimize_size.
14586 2006-01-10 Jan Beulich <jbeulich@novell.com>
14588 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14590 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14591 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14594 2006-01-10 Ben Elliston <bje@au.ibm.com>
14596 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14598 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14599 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14600 (USE_FP_FOR_ARG): Reject decimal float modes.
14601 (function_arg_advance): Likewise.
14602 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14603 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14604 point types in AltiVec vectors.
14605 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14606 (rs6000_libcall_value): Likewise.
14608 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14610 * config/xtensa/ieee754-df.S: New file.
14611 * config/xtensa/ieee754-sf.S: New file.
14612 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14613 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14614 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14616 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14618 * config/sh/predicates.md (binary_float_operator,
14619 binary_logical_operator, commutative_float_operator,
14620 equality_comparison_operator, greater_comparison_operator,
14621 less_comparison_operator, logical_operator,
14622 noncommutative_float_operator, shift_operator,
14623 symbol_ref_operand, unary_float_operator): Remove redundant
14626 2006-01-09 Jeff Law <law@redhat.com>
14628 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14629 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14630 now unused arguments. Callers updated.
14631 (eliminate_redundant_computations): Remove now unused arguments,
14633 (local_fold): Remove, no longer used.
14634 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14636 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14637 (simplify_cond): New function.
14638 (forward_propagate_into_cond): Call simplify_cond.
14640 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14642 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14643 (*vec_extractv2di_1_sse): New.
14645 2006-01-09 Ben Elliston <bje@au.ibm.com>
14647 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14649 2006-01-08 Richard Guenther <rguenther@suse.de>
14651 * tree-ssa-structalias.c (get_constraint_for): Remove
14652 anyoffset argument.
14653 (get_constraint_for_component_ref): Likewise.
14654 (do_deref): Likewise.
14655 (get_constraint_for): Likewise.
14656 (do_structure_copy): Likewise.
14657 (handle_ptr_arith): Likewise.
14658 (find_func_aliases): Likewise. Remove unused need_anyoffset
14661 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14662 Kaz Kojima <kkojima@gcc.gnu.org>
14664 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14665 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14666 (EXTRA_CONSTRAINT_C16): Remove.
14667 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14668 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14669 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14670 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14671 constants of SHmedia. Handle nested constant expressions of
14673 (andcosts): Fix the costs for SHmedia constants.
14674 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14675 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14676 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14677 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14678 (movv4hi_i, movv2si_i): Likewise.
14679 (movsi_const): Adjust the second operand of ior so to match with
14680 the Csu constraint.
14681 (movdi_const, movdi_const_32bit): Likewise.
14682 (movdi_const_16bit+1): Don't sign-extend LOW.
14683 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14685 (*double_shori): Fix the split condition. Use GEN_INT instead
14686 of get_int_mode calls. Mask lower 16-bit of the argument of
14688 (sym2GOTPLT): Remove.
14689 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14691 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14692 instead of EXTRA_CONSTRAINT_C16.
14694 2006-01-07 Ian Lance Taylor <ian@airs.com>
14695 David Edelsohn <edelsohn@gnu.org>
14697 PR rtl-optimization/25662
14698 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14699 for constant operands instead of simplify_gen_binary.
14700 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14701 after trying simplify_binary_operation
14703 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14705 * tree.c (iterative_hash_expr): Hash decls based on UID.
14707 2006-01-06 Eric Christopher <echristo@apple.com>
14709 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14710 (TARGET_UNWIND_EMIT): Fix spelling.
14711 * target.h (gcc_target): Add except_table_label.
14712 * except.c (output_function_exception_table): Use.
14713 * varasm.c (default_emit_except_table_label): New.
14714 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14716 (asm_out): Add here.
14717 * output.h (default_emit_except_table_label): Prototype.
14718 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14719 * config/darwin.c (darwin_emit_except_table_label): Define.
14720 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14722 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14724 PR tree-optimization/18527
14725 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14726 number_of_iterations_special, number_of_iterations_exit):
14727 Move base and step of an iv to a single structure. Add
14728 no_overflow flag, and use it in # of iterations analysis.
14729 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14730 folded_casts argument.
14731 (simple_iv): Pass base and step in a structure. Set no_overflow
14733 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14734 Evaluate expensiveness of computing # of iterations instead of
14735 the final expression.
14736 * tree-scalar-evolution.h (affine_iv): New structure.
14737 (simple_iv): Declaration changed.
14738 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14739 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14740 find_givs_in_stmt): Changed due to simple_iv change.
14742 2006-01-06 Jeff Law <law@redhat.com>
14745 * tree-cfg.c (bsi_replace): Rename final argument from
14746 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14747 change (stmt -> orig_stmt).
14748 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14749 (bsi_remove): Add new argument. Remove EH information
14751 (verify_eh_throw_table_statements): New function.
14752 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14754 * tree-optimize.c (execute_free_cfg_annotations): Verify
14755 the EH throw statement table after removing annotations.
14756 * except.h (verify_eh_throw_table_statements): Prototype.
14757 * tree-flow.h (bsi_remove): Update prototype.
14758 * tree-vrp.c (remove_range_assertions): Add new argument to
14760 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14761 * tree-complex.c (expand_complex_div_wide): Likewise.
14762 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14763 * tree-tailcall.c (eliminate_tailcall): Likewise.
14764 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14765 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14766 * tree-nrv.c (tree_nrv): Likewise.
14767 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14768 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14769 (combine_blocks): Likewise.
14770 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14771 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14772 (cleanup_control_flow): Likewise.
14773 (remove_forwarder_block): Likewise.
14774 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14775 * tree-sra.c (sra_replace): Likewise.
14776 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14777 (forward_propagate_single_use_vars): Likewise.
14778 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14779 * tree-inline.c (expand_call_inline): Likewise.
14780 * tree-vect-transform.c (vect_transform_loop): Likewise.
14781 * tree-outof-ssa.c (rewrite_trees): Likewise.
14782 * tree-cfg.c (make_goto_expr_edges): Likewise.
14783 (cleanup_dead_labels): Likewise.
14784 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14785 (bsi_move_before, bsi_move_after): Likewise.
14786 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14787 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14789 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14792 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14794 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14795 on non gimple variables. Also add checks at the top for decls and
14797 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14799 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14800 and IMAGPART_EXPR for creating MUST_DEFs.
14801 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14802 and NAME_MEMORY_TAG separately from the DECLs.
14804 2006-01-06 Richard Guenther <rguenther@suse.de>
14806 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14807 annotation, if necessary.
14808 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14809 redundant calls to update_stmt.
14810 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14813 2006-01-05 Richard Henderson <rth@redhat.com>
14815 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14817 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14819 * c-typeck.c: Update copyright date.
14821 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14823 * c-typeck.c (build_c_cast): Always warn when casting
14824 from a pointer to an integer of different size, even if
14825 the node was constant.
14827 2006-01-05 Richard Guenther <rguenther@suse.de>
14829 PR tree-optimization/22555
14830 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14831 if one structure field is an array.
14832 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14833 operands even if we found a subvar, but ignore VOPs in this
14835 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14837 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14839 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14841 PR middle-end/24998
14842 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14844 2006-01-05 Richard Guenther <rguenther@suse.de>
14845 Diego Novillo <dnovillo@redhat.com>
14847 * tree-pass.h (TODO_remove_unused_locals): Define.
14848 * gimple-low.c (expand_var_p, remove_useless_vars,
14849 pass_remove_useless_vars): Remove. Update all users.
14850 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14851 (remove_unused_locals): New function.
14852 * tree-flow.h (remove_unused_locals): Declare.
14853 * passes.c (execute_todo): Call remove_unused_locals if
14854 TODO_remove_unused_locals is set.
14855 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14856 * tree-ssa-dce.c (pass_dce): Likewise.
14857 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14859 2006-01-05 Richard Guenther <rguenther@suse.de>
14861 * tree-flow.h (struct fieldoff): Decompose field to
14862 type, size and decl.
14863 * tree-ssa-alias.c (create_sft): Take type as parameter.
14864 (create_overlap_variables_for): Store type, size and decl
14865 in the fieldoff structure.
14866 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14867 of struct fieldoff.
14868 (push_fields_onto_fieldstack): Likewise.
14869 (create_variable_info_for): Likewise. Use offset for the
14870 SFT name if the decl is not available.
14872 2006-01-04 Paul Brook <paul@codesourcery.com>
14874 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14876 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14878 * lambda-code.c (can_put_in_inner_loop): Relax
14880 (can_put_after_inner_loop): New function.
14881 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14882 (perfect_nestify): Change to make copies and modify uses.
14884 2006-01-04 Richard Henderson <rth@redhat.com>
14886 Merge from gomp branch:
14887 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14888 via integer constant.
14889 (pragma_lex): Remove.
14890 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14891 rather than parsing it.
14892 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14893 handle_pragma_extern_prefix): Add %< %> quotes.
14894 (registered_pragmas): New.
14895 (c_register_pragma_1): New.
14896 (c_register_pragma): Use it.
14897 (c_register_pragma_with_expansion): Likewise.
14898 (c_invoke_pragma_handler): New.
14899 (init_pragma): Use cpp_register_deferred_pragma directly for
14901 * c-pragma.h (enum pragma_kind): New.
14902 (pragma_handler): New.
14903 (c_invoke_pragma_handler): Declare.
14904 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14906 * c-common.h (c_common_pch_pragma): Update decl.
14907 * Makefile.in (c-parser.o): Update dependencies.
14908 (GTFILES): Add c-pragma.h.
14909 * c-parser.c (struct c_token): Add pragma_kind.
14910 (struct c_parser): Add in_pragma.
14911 (c_lex_one_token): Always initialize keyword and pragma_kind.
14912 Extract data for CPP_PRAGMA.
14913 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14914 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14915 Don't allow CPP_PRAGMA_EOL if in_pragma.
14916 (c_parser_consume_pragma): New.
14917 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14918 (c_parser_skip_to_end_of_parameter): Likewise.
14919 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14920 (c_parser_skip_to_pragma_eol): New.
14921 (c_parser_external_declaration): Handle CPP_PRAGMA.
14922 (c_parser_compound_statement_nostart): Likewise.
14923 (c_parser_statement_after_labels): Likewise.
14924 (c_parser_pragma): New.
14925 (pragma_lex): Likewise.
14926 (c_parser_pragma_pch_preprocess): New.
14927 (c_parser_new): Merge into ...
14928 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14930 2006-01-04 Jeff Law <law@redhat.com>
14933 * tree-cfg.c (bsi_replace): Remove the original statement
14934 from the EH throw statement table.
14936 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14938 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14939 make the prototype extern "C" and add throw ().
14942 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14943 and pos non-negative and pos + len <= 32.
14944 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14945 drop pos + len < HOST_BITS_PER_WIDE_INT test.
14946 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
14949 * c-common.c (handle_vector_size_attribute): Reject zero vector size
14950 as well as sizes not multiple of component size.
14953 * function.c (instantiate_expr): New function.
14954 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
14955 walk its DECL_VALUE_EXPR with instantiate_expr.
14957 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
14958 DW_OP_deref{,_size} if address isn't going to be added.
14960 2006-01-04 Ben Elliston <bje@au.ibm.com>
14962 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
14963 * config/fp-bit.c: Likewise.
14965 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
14967 * dominance.c: Add comment about why we use DFS numbering
14970 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14971 Richard Henderson <rth@redhat.com>
14973 Merge from gomp-branch:
14974 * varasm.c (assemble_variable): Handle thread-local COMMON data.
14975 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
14977 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
14979 PR rtl-optimization/25578
14980 * combine.c (combine_simplify_rtx, force_to_mode): Don't
14981 pass a parameter to simplify_shift_const if changing ASHIFTRT
14984 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
14986 * builtins.c (get_builtin_sync_mem): New function.
14987 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
14988 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
14989 Call get_builtin_sync_mem to generate mem rtx.
14991 2006-01-03 Richard Guenther <rguenther@suse.de>
14994 * stmt.c (add_case_node): Make sure to clear overflow flags
14997 2006-01-03 Jakub Jelinek <jakub@redhat.com>
14999 Merge from gomp-branch.
15000 * config/sparc/sync.md: New file.
15001 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15002 UNSPECV_LDSTUB): New constants.
15003 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15004 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15005 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15008 2006-01-03 Roger Sayle <roger@eyesopen.com>
15010 * combine.c (reg_subword_p): New predicate to test whether the
15011 destination of a set refers to a subword/piece of a register.
15012 (try_combine): Generalize the code to merge the setting of a
15013 pseudo to a constant followed by a set of a subword of that
15014 register to a constant.
15016 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15018 * basic-block.h (control_flow_graph): Change the type of
15019 x_label_to_block_map to VEC(basic_block,gc) *.
15020 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15021 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15023 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15024 VEC(basic_block,heap) *.
15025 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15026 ssa_prop_fini): Adjust the uses of cfg_blocks.
15028 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15030 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15032 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15033 hashing trees instead of a pointer hash.
15034 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15035 compare for MEM_EXPR.
15037 PR rtl-optimization/25130
15038 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15039 when comparing MEMs for GCSE
15041 2006-01-03 Ben Elliston <bje@au.ibm.com>
15043 * targhooks.h (default_decimal_float_supported_p): Declare.
15044 * targhooks.c (default_decimal_float_supported_p): Define.
15045 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15046 `default_decimal_float_supported_p'.
15047 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15049 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15051 * combine.c (apply_distributive_law <SUBREG>): Check
15052 TRULY_NOOP_TRUNCATION.
15054 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15056 * dwarf2out.c (have_switched_text_section): Delete.
15057 (have_multiple_function_sections): New.
15058 (have_location_lists): Make 'bool'.
15059 (add_AT_loc_list): Use 'true' not '1'.
15060 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15061 (output_loc_list): Use have_multiple_function_sections.
15062 (output_ranges): Likewise.
15063 (dwarf2out_begin_function): Set have_multiple_function_sections if
15065 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15066 Check function_section rather than DECL_SECTION_NAME.
15067 (dwarf2out_finish): Use have_multiple_function_sections.
15068 Don't clear have_location_lists.
15070 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15071 Jan Hubicka <jh@suse.cz>
15073 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15074 case of conditional jump jumping to the next instruction.
15075 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15076 cases of conditional jump jumping to the next instruction.
15078 2006-01-02 Jan Hubicka <jh@suse.cz>
15080 * i386.c (*_cost): Add COSTS_N_INSNS.
15081 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15083 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15086 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15088 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15090 * config/arm/arm.c (all_fpus): Fix comment typo.
15091 * config/darwin.c: Likewise.
15092 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15093 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15094 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15096 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15098 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15099 (rs6000_split_compare_and_swapqhi): New.
15100 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15101 (sync_compare_and_swapqhi_internal): New.
15102 * config/rs6000/rs6000-protos.h: Declare.