1 2006-09-20 Paul Brook <paul@codesourcery.com>
4 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
7 2006-09-20 Janis Johnson <janis187@us.ibm.com>
9 * doc/extend.texi (Decimal Float): Update for latest draft TR,
12 2006-09-20 Steve Ellcey <sje@cup.hp.com>
15 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
16 with tablejumps in them.
18 2006-09-20 Jakub Jelinek <jakub@redhat.com>
21 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
22 wrap it into TARGET_EXPR.
24 2006-09-20 Eric Christopher <echristo@apple.com>
26 * config/i386/i386.c (x86_fisttp): Remove.
27 * config/i386/i386.h (x86_fisttp): Ditto.
28 (TARGET_FISTTP): Ditto.
30 2006-09-19 Eric Christopher <echristo@apple.com>
32 * doc/tm.texi (OBJC_JBLEN): Describe.
33 * config/i386/darwin.h (OBJC_JBLEN): Define.
34 * config/rs6000/darwin.h: Ditto.
36 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
38 PR rtl-optimization/21299
39 * reload1.c (reload): Purge invalid ASMs in the final pass.
41 2006-09-19 Steve Ellcey <sje@cup.hp.com>
44 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
45 pointers as legitimate constants.
47 2006-09-19 Paul Brook <paul@codesourcery.com>
50 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
52 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
54 PR tree-optimization/28887
55 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
56 component parts from the reference.
57 (gather_memory_references_ref): Record the reference without the
58 nonaddressable component parts.
60 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
63 * c-opts.c (c_common_handle_option): Ignore the -std options
64 if the input language is assembly.
66 2006-09-17 Ira Rosen <irar@il.ibm.com>
69 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
71 (ptr_ptr_may_alias_p): Likewise.
72 (record_record_differ_p): New function.
73 (base_object_differ_p): Call record_record_differ_p.
75 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
78 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
79 away for the expr argument.
81 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
84 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
85 before using it for dumping after vectorizing loops.
87 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
88 Jack Howarth <howarth@bromo.med.uc.edu>
91 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
92 skip on error_mark_node.
93 (rs6000_darwin64_record_arg_recurse): Likewise.
95 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
97 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
98 * doc/rtl.texi: Remove related documentation.
100 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
102 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
105 2006-09-15 Jim Wilson <wilson@specifix.com>
107 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
108 Handle symbol offsets same as they are handled in ia64_expand_move
111 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
113 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
114 Add forgotten parameter to the fprintf call.
116 2006-09-15 Steve Ellcey <sje@cup.hp.com>
118 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
120 2006-09-15 Uros Bizjak <uros@kss-loka.si>
122 * doc/contrib.texi: Add my entry.
124 2006-09-15 Nick Clifton <nickc@redhat.com>
126 * doc/md.texi (Processor pipeline description): Fix typo in
127 example of how to use the absence_set directive and reword the
128 description to make it slightly easier to read.
130 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
132 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
133 * loop-doloop.c (doloop_optimize): Use it to limit costs of
134 expanding the number of iterations.
135 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
137 * cfgrtl.c (emit_insn_at_entry): New function.
138 * rtl.h (emit_insn_at_entry): Declare it.
139 * integrate.c (emit_initial_value_sets): Use it.
141 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
143 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
145 (struct loop_work and related VEC declarations): Delete.
146 (bfin_dump_loops): Print out new member bad.
147 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
148 (bfin_scan_loop): Don't recurse.
149 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
150 loops. No longer need to update outer loops if the current one is
151 found bad. Move some validitiy checks to bfin_discover_loop.
152 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
153 but changed not to check for nesting. Also changed to use the new bad
155 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
156 time. Use bitmap based test to discover loop nesting.
158 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
160 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
163 2006-09-14 Richard Guenther <rguenther@suse.de>
164 Kazu Hirata <kazu@codesourcery.com>
167 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
168 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
169 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
170 with TARGET_FUNCTION_VALUE.
172 2006-09-14 Anatoly Sokolov <aesok@post.ru>
175 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
177 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
179 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
182 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
185 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
188 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
190 * basic_block.h (bb_has_eh_pred): Fix comment.
192 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
194 * flow.c (calculate_global_regs_live): Invalidate eh registers
195 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
196 (propagate_block): Handle eh registers as if they were set at basic
198 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
200 * global.c (global_conflicts): Make eh registers to conflict with
201 pseudos live at basic block begin.
202 * basic_block.h (bb_has_eh_pred): New function.
204 2006-09-13 Richard Sandiford <richard@codesourcery.com>
206 PR rtl-optimization/28982
207 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
208 index of a PRE_MODIFY or POST_MODIFY address.
209 * reload1.c (inc_for_reload): Use find_replacement on the original
210 base and index registers.
212 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
214 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
215 for -Os. Update __m128 alignment requirement.
217 2006-09-13 Jan Hubicka <jh@suse.cz>
219 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
221 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
223 PR rtl-optimization/28243
224 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
225 the insn to which the note was originally attached.
227 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
228 Roger Sayle <roger@eyesopen.com>
230 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
231 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
232 on platforms that don't use dwarf for debug info.
234 2006-09-12 Jason Merrill <jason@redhat.com>
237 * builtins.c (expand_builtin_setjmp_receiver): Clobber
238 hard_frame_pointer_rtx after using it to update the frame pointer.
240 2006-09-12 Roger Sayle <roger@eyesopen.com>
242 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
243 (TARGET_ASM_CLOSE_PAREN): Likewise.
244 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
245 (TARGET_ASM_CLOSE_PAREN): Likewise.
247 2006-09-12 Roger Sayle <roger@eyesopen.com>
250 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
251 frame information for frames larger than 512 Kbytes on Tru64 when
252 using the native assembler.
254 2006-09-12 Roger Sayle <roger@eyesopen.com>
258 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
259 and symbols. Instead use the implementation from cse.c's hash_rtx.
261 2006-09-12 Jan Hubicka <jh@suse.cz>
263 PR rtl-optimization/28071
264 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
265 (vect_transform_loop): Likewise.
266 * tree-vectorizer.c (new_loop_vec_info): Likewise.
267 (new_loop_vec_info): Likewise.
268 (destroy_loop_vec_info): Likewise.
269 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
270 (create_stmt_ann): Likewise.
271 (create_tree_ann): Rename to ...
272 (create_tree_common_ann): ... this one; allocate only the common part
274 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
275 (get_value_handle): Likewise.
276 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
278 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
279 (vinfo_for_stmt): Use stmt annotations.
280 * tree-flow.h (tree_ann_common_t): New type.
281 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
282 (tree_ann, get_tree_ann, create_tree_ann): New.
283 * tree-flow-inline.h (get_function_ann): Do more type checking.
284 (stmt_ann): Likewise.
285 (tree_ann): Rename to ...
286 (tree_common_ann): ... this one; return ony common_ann
287 (get_tree_ann): Rename to ...
288 (tree_common_ann): This one; return only common_ann.
289 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
292 2006-09-11 Geoffrey Keating <geoffk@apple.com>
294 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
297 * dwarf2out.c (dwarf_file_data): New.
298 (enum dw_val_class): Add dw_val_class_file.
299 (struct dw_val_struct): Add val_file.
300 (file_table): Change to a hash table.
301 (file_table_emitted): Delete.
302 (file_table_last_lookup_index): Delete.
304 (last_emitted_file): New.
305 (lookup_filename): Change prototype to return a struct dwarf_file_data.
306 (init_file_table): Delete.
307 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
308 (AT_addr): Add comment.
312 (print_die): Handle dw_val_class_file.
313 (print_dwarf_line_table): Update for new file table structure.
314 (attr_checksum): Do checksum a filename.
315 (same_dw_val_p, same_attr_p): Do compare a filename.
316 (size_of_die): Handle dw_val_class_file.
317 (value_format): Likewise.
318 (output_die): Likewise. Also, call maybe_emit_file here.
319 (struct file_info): Constify filenames. Make file_idx a pointer
320 to a struct dwarf_file_data.
321 (struct dir_info): Constify directory names. Remove 'used' field.
322 (struct file_name_acquire_data): New.
323 (file_name_acquire): New.
324 (output_file_names): Modify to handle new file data structures.
325 (add_src_coords_attributes): Use add_AT_file.
326 (add_call_src_coords_attributes): Likewise.
327 (dwarf2out_imported_module_or_decl): Likewise.
328 (gen_subprogram_die): Modify for new file data structures.
329 (gen_variable_die): Likewise.
330 (file_table_eq): New.
331 (file_table_hash): New.
332 (file_table_last_lookup): New.
333 (lookup_filename): Rewrite to handle new file data structures.
334 (maybe_emit_file): Rewrite to handle new file data structures.
335 (dwarf2out_source_line): Always call lookup_filename and
337 (dwarf2out_init): Create file_table here.
338 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
339 (file_table_relative_p): New.
340 (dwarf2out_finish): Change detection of relative filenames
341 to work with new file data structures. Move output_line_info call
342 after debug_info output.
344 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
349 * config/i386/i386.c (override_options): Always default to 16
352 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
355 * var-tracking.c (dump_dataflow_set): Start dumping at
357 (clobber_variable_part): Kill only the variable part in
358 registers holding it, leaving other variables alone.
360 2006-09-11 Josh Triplett <josh@freedesktop.org>
362 * doc/extend.texi (Other Builtins): Actually use the macro
363 argument in the documentation example for
364 __builtin_types_compatible_p.
366 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
368 PR rtl-optimization/28726
369 * sched-deps.c (sched_analyze_reg): New function extracted from...
370 (sched_analyze_1): ...here. Call it to analyze references to
371 registers. Treat again writes to a stack register as writing to the
373 (sched_analyze_2): ...and here. Call it to analyze references to
374 registers. Treat again reads of a stack register as reading the
377 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
378 David Edelsohn <edelsohn@gnu.org>
381 * config/rs6000/spe.md (frob_df_di): Remove %H.
382 (frob_di_df): Remove %H. Change evmergelo to mr.
383 (frob_di_df_2): Remove %H. Change evldd to two loads.
385 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
387 * doc/cpp.texi: Fix names of charset options.
389 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
392 * config/i386/i386.c (override_options): Use 128-bit
393 stack boundary always for 64bits.
395 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
397 PR rtl-optimization/28636
398 * combine.c (force_to_mode): Test for side-effects before
399 substituting by zero.
400 (simplify_shift_const): Likewise for zero or other constants.
402 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
405 * builtins.c (expand_builtin_setjmp): Force next_lab to be
408 2006-09-10 Richard Sandiford <richard@codesourcery.com>
411 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
412 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
413 returned by mode_for_size, rather than the mode of src itself,
414 to choose between 32-bit and 64-bit patterns.
415 (mips_mem_fits_mode_p): New function.
416 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
417 that the size of the source matches the size of the destination.
418 (mov_<store>l, mov_<store>r): Likewise.
420 2006-09-10 Eric Christopher <echristo@apple.com>
422 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
425 2006-09-09 Eric Christopher <echristo@apple.com>
428 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
431 2006-09-09 Roger Sayle <roger@eyesopen.com>
432 Nicolas Setton <setton@adacore.com>
434 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
436 2006-09-10 Andreas Schwab <schwab@suse.de>
438 * config/m68k/m68k.md (bungt_rev): New pattern.
440 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
441 Dale Johannesen <dalej@apple.com>
444 * regclass.c (struct reg_pref): Update documentation.
445 (regclass): Set prefclass to NO_REGS if memory is the best option.
446 (record_reg_classes): Cope with a prefclass set to NO_REGS.
448 2006-09-08 Eric Christopher <echristo@apple.com>
450 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
451 * config/t-slibgcc-darwin: Support x86_64 multilib.
452 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
453 Return 1 for x86_64-darwin.
454 * config/i386/t-darwin: Add m64 multilib.
455 (LIB2_SIDITI_CONV_FUNCS): Use.
456 (LIB2FUNCS_EXTRA): Ditto.
457 * config/i386/darwin.h: Support x86_64.
458 * config/i386/i386.c (override_options): Turn on flag_pic
459 for x86_64-darwin. Disable flag_omit_pointer.
460 (get_pc_thunk_name): Assert !TARGET_64BIT.
461 (legitimate_address_p): Disable machopic addressing for
463 (legitimize_pic_address): Ditto.
464 (ix86_expand_move): Ditto.
465 (ix86_expand_call): Ditto.
466 (machopic_output_stub): Ditto.
467 * config/darwin.c (machopic_select_section): Support literal16.
468 (machopic_select_rtx_section): Ditto.
469 * config/darwin-sections.def: Ditto.
470 * config/darwin-64.c: New.
472 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
475 * c-tree.h (struct c_arg_info): Add pending_sizes.
476 * c-parser.c (c_parser_parms_declarator,
477 c_parser_parms_list_declarator): Initialize pending_sizes.
478 * c-decl.c (get_parm_info): Initialize pending_sizes.
479 (get_parm_info): Set pending_sizes.
480 (grokdeclarator): Call put_pending_sizes for parameters for
481 function definition only.
483 2006-09-07 Jason Merrill <jason@redhat.com>
486 * varasm.c (output_constant): Only strip actual no-op conversions.
489 * config/i386/i386.c (override_options): Use 128-bit
490 stack boundary if -msse.
492 2006-09-07 Eric Christopher <echristo@apple.com>
494 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
496 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
499 2006-09-07 Geoffrey Keating <geoffk@apple.com>
501 * dwarf2out.c: Remove strange characters from comment above
502 dwarf2out_frame_debug_expr.
504 2006-09-07 Eric Christopher <echristo@apple.com>
506 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
507 * config/darwin.h: ... to here.
509 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
511 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
513 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
514 (TARGET_PARTIAL_FLAG_REG_STALL): New.
516 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
517 TARGET_PARTIAL_FLAG_REG_STALL.
518 (*ashldi3_cconly_rex64): Likewise.
519 (*ashlsi3_cmp): Likewise.
520 (*ashlsi3_cconly): Likewise.
521 (*ashlsi3_cmp_zext): Likewise.
522 (*ashlhi3_cmp): Likewise.
523 (*ashlhi3_cconly): Likewise.
524 (*ashlqi3_cmp): Likewise.
525 (*ashlqi3_cconly): Likewise.
526 (*ashrdi3_cmp_rex64): Likewise.
527 (*ashrdi3_cconly_rex64): Likewise.
528 (*ashrsi3_cmp): Likewise.
529 (*ashrsi3_cconly): Likewise.
530 (*ashrsi3_cmp_zext): Likewise.
531 (*ashrhi3_cmp): Likewise.
532 (*ashrhi3_cconly): Likewise.
533 (*ashrqi3_cmp): Likewise.
534 (*ashrqi3_cconly): Likewise.
535 (*lshrdi3_cmp_rex64): Likewise.
536 (*lshrdi3_cconly_rex64): Likewise.
537 (*lshrsi3_cmp): Likewise.
538 (*lshrsi3_cconly): Likewise.
539 (*lshrsi3_cmp_zext): Likewise.
540 (*lshrhi3_cmp): Likewise.
541 (*lshrhi3_cconly): Likewise.
542 (*lshrqi2_cmp): Likewise.
543 (*lshrqi2_cconly): Likewise.
545 2006-09-07 Uros Bizjak <uros@kss-loka.si>
548 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
549 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
550 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
551 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
552 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
553 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
554 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
555 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
556 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
557 implement only CC setting effects of shift instructions.
559 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
561 * doc/contrib.texi: Add myself.
563 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
566 * stor-layout.c (relayout_decl): Don't zero the alignment if it
569 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
572 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
573 (divsi_inv_m1): Use them.
574 (UNSPEC_DIV_INV_TABLE): New constant.
576 2006-09-06 James E Wilson <wilson@specifix.com>
579 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
580 then call count_or_remove_death_notes.
582 2006-09-06 Jason Merrill <jason@redhat.com>
585 * tree-inline.c (copy_result_decl_to_var): New fn.
586 (declare_return_variable): Use it. Call declare_inline_vars here.
587 (expand_call_inline): Not here.
589 2006-09-06 Diego Novillo <dnovillo@redhat.com>
591 * doc/contrib.texi: Update my entry.
593 2006-09-06 Nick Clifton <nickc@redhat.com>
595 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
597 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
600 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
601 (canonicalize_induction_variables): Likewise.
602 (tree_unroll_loops_completely): Likewise.
603 (tree_ssa_prefetch_arrays): Likewise.
604 (remove_empty_loops): Likewise.
605 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
606 TODO_cleanup_cfg instead of directly calling
607 cleanup_tree_cfg_loop.
608 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
610 (tree_unroll_loops_completely): Likewise.
611 (remove_empty_loops): Likewise.
612 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
613 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
614 of tree_ssa_unswitch_loops.
615 (tree_ssa_loop_ivcanon): Use the return value of
616 canonicalize_induction_variables.
617 (tree_ssa_empty_loop): Use the return value of
619 (tree_complete_unroll): Use the return value of
620 tree_unroll_loops_completely.
621 (tree_ssa_loop_prefetch): Use the return value of
622 tree_ssa_prefetch_arrays.
623 * passes.c (execute_todo): Before Cleanup CFG, set
624 updating_used_alone and after cleanup CFG, call
625 recalculate_used_alone.
627 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
630 * tree-vect-transform.c (vectorizable_condition): Move the check
631 for the type after the check for simple condition.
633 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
634 Kaz Kojima <kkojima@gcc.gnu.org>
637 * mode-switching.c (optimize_mode_switching): Make the destination
638 block of an abnormal edge have no anticipatable mode. Don't
639 insert mode switching code at the end of the source block of
642 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
644 PR rtl-optimization/26847
645 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
646 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
647 (simplify_plus_minus): Count n_constants while filling ops. Replace
648 qsort with insertion sort. Before going through the array to simplify
649 pairs, sort it. Delay early exit until after the first sort, exiting
650 only if no swaps occurred. Simplify pairs in reversed order, without
651 special-casing the first iteration. Pack ops after simplifying pairs.
653 2006-09-05 Anatoly Sokolov <aesok@post.ru>
655 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
656 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
657 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
658 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
660 2006-09-05 Richard Guenther <rguenther@suse.de>
662 PR tree-optimization/28900
663 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
664 compound conditional before creating COND_EXPR condition.
666 2006-09-05 Richard Guenther <rguenther@suse.de>
668 PR tree-optimization/28905
669 * tree-vrp.c (fix_equivalence_set): Manually implement
670 !value_ranges_intersect_p to also handle symbolic ranges.
672 2006-09-05 Richard Guenther <rguenther@suse.de>
675 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
678 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
680 PR rtl-optimization/27616
681 * cse.c (table_size): New static variable.
682 (new_basic_block): Initialize it to 0.
683 (remove_from_table): Decrement it.
684 (insert): Increment it.
685 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
686 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
687 fold_rtx_mem_1 if under the cap.
688 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
689 the lookup of the equivalent expression and test for equality of the
690 first operand of the equivalent expression before in turn looking up
691 an equivalent constant for the second operand.
693 2006-09-02 Geoffrey Keating <geoffk@apple.com>
696 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
697 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
698 pointer, instead of assuming it is possible to derive the
699 correct args size from a call insn.
701 2006-09-02 Jakub Jelinek <jakub@redhat.com>
704 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
705 (fold_builtin_mempcpy): Rename to...
706 (fold_builtin_memory_op): ... this. Optimize one element copy
708 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
710 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
711 (expand_builtin_memcpy, expand_builtin_mempcpy,
712 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
713 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
714 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
715 BUILT_IN_MEM{CPY,PCPY,MOVE}.
717 2006-09-01 DJ Delorie <dj@redhat.com>
719 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
721 ("stzx_24_<mode>"): Likewise.
722 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
723 ("cmp<mode>_op"): New.
724 (cmp<mode>): Change to expander; just save operands.
726 (b<code>): Change to expander, emit compare here.
727 (s<code>_op): Change to use split and expander.
728 (s<code>_24_op): Likewise.
729 (s<code>_<mode>): New.
730 (s<code>_<mode>_24): New.
731 (movqicc_<code>_<mode): New.
732 (movhicc_<code>_<mode>): New.
735 * config/m32c/m32c.c (compare_op0, compare_op1): New.
736 (m32c_pend_compare): New.
737 (m32c_unpend_compare): New.
738 (m32c_expand_scc): New.
739 (m32c_expand_movcc): Emit the compare also.
740 * config/m32c/predicates.md (mra_nopp_operand): New.
742 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
743 Richard Guenther <rguenther@suse.de>
744 Adam Nemet <anemet@caviumnetworks.com>
747 * builtins.c (get_pointer_alignment): Handle more forms
748 of base addresses that can be used to derive more precise
749 information about alignment.
751 2006-09-01 Jason Merrill <jason@redhat.com>
754 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
757 * gimplify.c (voidify_wrapper_expr): Handle null type.
759 2006-09-01 Josh Conner <jconner@apple.com>
762 * tree-nrv.c (dest_safe_for_nrv_p): New function.
763 (execute_return_slot_opt): Use it.
765 2006-08-31 Josh Conner <jconner@apple.com>
768 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
769 returning aggregates.
771 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
773 PR tree-optimization/28839
774 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
775 blocks in that phi arguments appear.
777 2006-08-31 Roger Sayle <roger@eyesopen.com>
780 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
781 NULL, otherwise use an advance_loc4 to adjust relative to the
783 (output_cfi) <DW_CFA_set_loc>: Update the current label.
784 (dwarf2out_switch_text_section): Reset the current label to avoid
785 using advance_loc4 over section boundaries.
787 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
790 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
791 r12 + SYMBOLIC_CONST.
793 2006-08-30 Richard Guenther <rguenther@suse.de>
795 * Makefile.in (see.o): Add $(EXPR_H) dependency.
797 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
799 PR rtl-optimization/27735
800 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
801 Add new argument to keep track of whether an irreducible region
802 was affected. All callers changed.
803 (fix_irreducible_loops): Removed.
804 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
805 flags were invalidated.
807 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
809 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
810 instead of SF operands.
811 (*fop_df_comm_sse): Likewise.
812 (*fop_df_comm_i387): Likewise.
813 (*fop_df_1_mixed): Likewise.
814 (*fop_df_1_sse): Likewise.
816 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
817 J"orn Rennecke <joern.rennecke@st.com>
819 PR tree-optimization/17506
820 * tree-ssa.c (warn_uninit): If warning about a location outside of
821 the current function, note where the variable was declared.
823 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
825 PR tree-optimization/28411
826 * double-int.c (double_int_div): Use double_int_divmod.
827 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
828 double_int_mod, double_int_smod, double_int_umod): New functions.
829 * double-int.h (double_int_divmod, double_int_sdivmod,
830 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
832 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
834 (get_computation_aff, get_computation_cost_at): Handle double_int
835 return type of constant_multiple_of.
837 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
840 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
841 an implicit conversion.
843 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
845 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
847 2006-08-27 Roger Sayle <roger@eyesopen.com>
849 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
852 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
854 * config/i386/crtfastmath.c: Fix a comment typo.
856 2006-08-26 Roger Sayle <roger@eyesopen.com>
858 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
859 temporary visit flags on CASE_LABEL_EXPRs.
860 * c-common.c (match_case_to_enum): Add function comment. Avoid
861 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
862 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
863 CASE_HIGH_SEEN for enumerated types. If the switch expression is
864 a constant, only warn if that constant value isn't handled.
866 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
869 * input.h (restore_input_file_stack): Declare.
870 (INPUT_FILE_STACK_BITS): Define.
871 * toplev.c (fs_p, input_file_stack_history,
872 input_file_stack_restored, restore_input_file_stack): New.
873 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
874 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
875 (pop_srcloc): Don't free old state of stack.
877 2006-08-26 David Edelsohn <edelsohn@gnu.org>
880 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
881 (PowerPC Type Attributes): New.
883 2006-08-26 Bob Wilson <bob.wilson@acm.org>
885 * config/xtensa/xtensa.c (function_arg_boundary): New.
886 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
888 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
889 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
891 2006-08-26 Jakub Jelinek <jakub@redhat.com>
894 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
897 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
899 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
900 (verify_local_live_at_start): Likewise.
902 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
905 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
906 omp_add_variable): Treat sizes as variable whenever not
909 2006-08-26 Richard Guenther <rguenther@suse.de>
912 * fold-const.c (fold_binary): Fold temporary to correct
913 type before constructing new comparison.
915 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
918 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
919 variable again if DECL_SEEN_IN_BIND_EXPR_P.
921 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
924 * c-decl.c (start_function): Don't try to process prototype
925 information from old declaration that isn't a function.
927 2006-08-25 Jan Hubicka <jh@suse.cz>
930 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
932 2006-08-25 Alan Modra <amodra@bigpond.net.au>
935 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
938 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
940 PR tree-optimization/16876
941 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
942 exit if PARM doesn't match VALUE.
944 2006-08-25 Bob Wilson <bob.wilson@acm.org>
946 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
947 literal_prefix directive.
948 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
949 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
950 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
952 2006-08-25 David Edelsohn <edelsohn@gnu.org>
955 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
956 predicate to general_operand. Add 0->y and I->r alternatives.
958 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
960 * doc/tm.texi: Fix a typo.
961 * predict.c: Fix comment typos.
963 2006-08-25 Nick Clifton <nickc@redhat.com>
965 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
966 assertions of "cpu" and "machine".
968 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
971 * tree-ssa-operands.c (access_can_touch_variable): Don't say
972 the access through a base which has an alias set of 0 cannot
975 2006-08-24 Bill Wendling <wendling@apple.com>
977 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
979 2006-08-24 Jan Hubicka <jh@suse.cz>
981 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
983 2006-08-24 Jan Hubicka <jh@suse.cz>
986 * cgraph.c: Fix comments.
987 (cgraph_varpool_mark_needed_node): Mark only variables not already
989 * cgraphunit.c: Update comments; include gt-cgraphunit.h
990 (cgraph_varpool_assembled_nodes_queue): New static variable.
991 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
992 (cgraph_varpool_output_debug_info): New function.
993 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
994 * Makefile.in: Add gt-cgraphunit.h
996 2006-08-24 Jan Hubicka <jh@suse.cz>
998 * predict.c (probability_reliable_p): New predicate.
999 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1000 (predict_loops): Do not predict loop exit with less than 2%
1002 * basic-block.h (edge_probability_reliable_p,
1003 br_prob_note_reliable_p): Declare.
1004 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1005 prediction when static predictor is not reliable.
1006 * rs6000.c (output_cbranch): Likewise.
1008 2006-08-23 Stuart Hastings <stuart@apple.com>
1011 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1012 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1014 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1017 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1018 complex values, nor for generic vector values.
1020 2006-08-22 Richard Guenther <rguenther@suse.de>
1023 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1024 parameter. Convert arguments to arithmetic expression to the
1026 (analyze_scalar_evolution_1): Adjust caller.
1028 2006-08-22 Jan Hubicka <jh@suse.cz>
1030 Patch by Paolo Bonzini
1031 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1034 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1036 PR tree-optimization/28003
1037 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1038 before grouping aliases.
1040 2006-08-22 Roger Sayle <roger@eyesopen.com>
1042 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1043 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1045 2006-08-21 Jason Merrill <jason@redhat.com>
1048 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1049 wrapper. Loop to handle nested wrappers.
1050 (gimplify_bind_expr): Remove temp parameter.
1051 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1052 and STATEMENT_LIST on the rhs.
1053 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1054 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1055 (gimplify_target_expr): Remove special BIND_EXPR handling.
1057 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1059 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1062 2006-08-21 Olivier Hainque <hainque@adacore.com>
1064 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1065 Arrange for the temporary captures of components overlapping the lhs
1066 to happen before the lhs is possibly cleared.
1068 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1070 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1071 necessary places to pass the correct "number of registers" values
1074 2006-08-20 Jan Hubicka <jh@suse.cz>
1076 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1077 (create_name_tags): Instead of quadratic checking use hashtable.
1078 * bitmap.h: Include hashtab.h.
1079 (bitmap_hash): Declare.
1080 * bitmap.c (bitmap_hash): New function.
1082 2006-08-20 Jan Hubicka <jh@suse.cz>
1084 PR rtl-optimization/28071
1085 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1087 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1088 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1089 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1090 cgraph_decide_inlining_incrementally): Update use of
1091 cgraph_check_inline_limits.
1092 * cgraph.c (edge_hash, edge_eq): New function.
1093 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1094 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1095 cgraph_remove_node): Maintain call site hash.
1096 * cgraph.h (struct cgraph_node): Add call_site_hash.
1097 (cgraph_set_call_stmt): New function.
1099 2006-08-20 Jan Hubicka <jh@suse.cz>
1101 PR rtl-optimization/28071
1102 * reload1.c (reg_has_output_reload): Turn into regset.
1103 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1104 choose_reload_regs, emit_reload_insns): Update to new
1105 reg_has_output_reload.
1107 2006-08-20 Jan Hubicka <jh@suse.cz>
1110 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1111 function body sizes.
1112 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1114 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1117 * tree.c (handle_dll_attribute): Return early if not a
1118 var or function decl.
1120 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1123 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1124 alignment of SPE vector types.
1126 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1128 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1130 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1133 * cgraph.h (struct cgraph_node): Remove externally_visible
1135 * cgraphunit.c (process_function_and_variable_attributes): Set
1136 local.externally_visible rather than externally_visible.
1139 * c-common.c (handle_externally_visible_attribute): First look
1140 at TREE_CODE and only if it is function or var decl, check for
1141 non-public objects. Don't warn for DECL_EXTERNAL.
1142 * cgraphunit.c (process_function_and_variable_attributes): Warn
1143 if externally_visible attribute is used on non-public object.
1145 2006-08-17 Jan Hubicka <jh@suse.cz>
1147 PR tree-optimization/27865
1148 * reload1.c (forget_marked_reloads): New function.
1149 (forget_old_reloads_1): When data are passed, just mark the registers
1151 (reload_as_needed): Use the new mechanizm.
1153 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1156 * reload.h (reg_equiv_alt_mem_list): New declaration.
1157 * reload1.c (reg_equiv_alt_mem_list): New definition.
1158 (reload): Initialize it and release it.
1159 (delete_output_reload): Use it.
1160 * reload.c (push_reg_equiv_alt_mem): New function.
1161 (find_reloads_toplev): Call it.
1162 (find_reloads_address, find_reloads_address_1): Likewise.
1163 (find_reloads_subreg_address): Likewise.
1165 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1167 PR rtl-optimization/28489
1168 * sched-ebb.c (begin_schedule_ready): Create basic block
1170 (advance_target_bb): Skip empty blocks.
1171 * haifa-sched.c (bb_note): Make global.
1172 * sched-int.h (bb_note): Add prototype.
1174 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1176 PR tree-optimization/27865
1177 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1179 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1180 fold_used_pointer, pointer_used_p): New functions.
1181 (analyze_scalar_evolution_1): Use fold_used_pointer.
1182 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1183 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1186 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1189 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1190 or the INTEGER_CST. Fail on a CALL_EXPR.
1191 (fold_offsetof): Pass new argument to fold_offsetof_1.
1192 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1193 operand into an INDIRECT_REF.
1194 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1196 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1198 PR gcov/profile/26570
1199 * value-prof.c (static_values): Removed.
1200 (tree_find_values_to_profile): Do not set static_values.
1201 (find_values_to_profile): Do not free static_values.
1202 * profile.c (instrument_values): Do not free the values.
1203 (branch_prob): Free the values.
1205 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1207 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1209 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1212 * c-typeck.c (build_component_ref): Combine qualifiers of
1213 structure or union and field.
1215 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1217 PR rtl-optimization/28071
1218 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1219 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1220 * tree-into-ssa.c (struct dom_dfsnum): New.
1221 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1223 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1224 compute_global_livein.
1225 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1226 in phi nodes in the correct blocks.
1228 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1230 PR tree-optimization/28364
1231 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1233 (fold_affine_expr): New function.
1234 (may_eliminate_iv): Use fold_affine_expr.
1236 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1239 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1242 2006-08-16 Mike Stump <mrs@apple.com>
1244 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1245 * doc/cppopts.texi (-MD): Likewise.
1247 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1250 * c-common.c (handle_weak_attribute): Ignore and warn if
1251 not a FUNCTION_ or VAR_DECL.
1253 2006-07-15 Mike Stump <mrs@apple.com>
1256 * c-parser.c (c_parser_typeof_specifier): Don't use
1257 c_finish_expr_stmt, open code desired semantics instead.
1259 2006-08-15 Nick Clifton <nickc@redhat.com>
1261 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1262 fragment to tmake_file only if threads are enabled.
1263 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1264 * config/i386/t-gthr-win32: New file. ... here.
1266 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1269 * c-parser.c (c_parser_compound_statement_nostart): Reset
1270 parser->error after each statement.
1272 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1275 * omp-low.c (lower_omp_parallel): Convert t to
1276 receiver_decl's type.
1277 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1278 source before comparison.
1281 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1282 to itype in assignment to oldival2.
1284 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1288 * c-typeck.c (build_compound_expr): If the second expression
1289 is an error mark, then just return an error mark instead of
1290 creating a COMPOUND_EXPR.
1292 2006-07-14 Mike Stump <mrs@apple.com>
1294 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1296 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1298 * c-decl.c, var-tracking.c: Fix comment typos.
1300 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1302 PR rtl-optimization/28634
1303 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1304 for floating-point modes unless flag_unsafe_math_optimizations.
1306 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1307 Andrew Pinski <pinskia@physics.uc.edu>
1310 * tree.c (build_array_type): Unify array types with
1311 unspecified index_type.
1312 * c-decl.c (grokdeclarator): Make sure we do not modify a
1313 unified incomplete array type.
1314 * c-typeck.c (store_init_value): Create distinct type before
1315 filling in the index type in an initializer from a compound
1318 * c-decl.c (grokdeclarator): Remove code where we copy the
1321 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1323 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1324 into account for TODO_dump_cgraph.
1325 (TODO_update_ssa_no_phi): Likewise.
1326 (TODO_update_ssa_full_phi): Likewise.
1327 (TODO_update_ssa_only_virtuals): Likewise.
1328 (TODO_remove_unused_locals): Likewise.
1329 (TODO_set_props): Likewise.
1330 (TODO_update_stmt_usage): Likewise.
1332 2006-08-13 Dirk Mueller <dmueller@suse.de>
1334 * c-common.c (strict_aliasing_warning): Fix formatting.
1336 2006-08-13 Matthias Klose <doko@debian.org>
1338 * doc/invoke.texi: Fix spelling errors.
1340 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1342 PR rtl-optimization/23454
1343 * reorg.c (relax_delay_slots): Update comment.
1345 2006-08-11 Richard Guenther <rguenther@suse.de>
1348 * simplify-rtx.c (simplify_const_relational_operation):
1349 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1352 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1354 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1355 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1357 2006-08-10 Paul Brook <paul@codesourcery.com>
1359 * final.c (final_scan_insn): Clear current_insn_predicate before
1360 outputting inline asm.
1362 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1364 PR tree-optimization/26197
1365 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1366 get_ref_base_and_extent and overlap_subvar to add only relevant
1367 subvars as may-aliases.
1368 (add_may_alias_for_new_tag): New function, factored out of
1370 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1371 with additional argument.
1372 * tree-flow.h (new_type_alias): Takes additional argument.
1374 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1376 * gcov.c (no_data_file): New flag.
1377 (read_count_file): Set it if data file not present. Assume counts
1379 (output_lines): Don't name the data file, if there wasn't one.
1381 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1383 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1384 (rs6000_generate_compare): Tweak comments.
1385 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1387 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1389 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1390 (var_debug_decl): New function.
1391 (var_reg_set): Follow debug decl link. Add location even if
1392 reg is already known to hold some other variable.
1393 (var_mem_set): Follow debug decl link.
1394 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1395 decl link. Delete other known locations of the variable part
1397 (var_reg_delete, var_mem_delete): Delete other known locations
1398 of the variable part if requested.
1399 (same_variable_part_p): New function.
1400 (add_stores): Select MO_COPY when appropriate.
1401 (vt_initialize): Handle it.
1402 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1403 known locations for MO_SET and MO_CLOBBER.
1404 (find_variable_location_part): New function.
1405 (set_variable_part, delete_variable_part): Use it.
1406 (clobber_variable_part): New function.
1407 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1410 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1412 PR tree-optimization/26969
1413 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1414 with an empty list of PHIs.
1416 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1420 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1423 2006-08-06 Andreas Schwab <schwab@suse.de>
1425 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1426 string. Whitespace and comment fixup.
1428 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1431 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1435 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1438 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1440 2006-08-04 Jan Hubicka <jh@suse.cz>
1444 * reload.c (push_reload): Patch out the mismatching instruction;
1446 (find_reload): Bail out if the instruction was patched out.
1448 2006-08-04 Jan Hubicka <jh@suse.cz>
1450 PR tree-optimization/24888
1451 * tree-inline.c (expand_call_inline): Do not re-record variables.
1452 (declare_inline_vars): Add variable to unexpanded_var_list.
1454 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1455 Roger Sayle <roger@eyesopen.com>
1457 PR rtl-optimization/26244
1458 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1459 inner_const are negative or greater than or equal to the bitsize of
1460 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1461 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1462 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1463 CONST0_RTX (mode) when the new shift count is greater than or equal to
1464 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1467 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1469 * tree-cfg.c: Fix a comment typo.
1471 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1474 * varasm.c (output_constant): Give the front end another chance to
1475 expand constants, after stripping NOPs.
1477 2006-08-03 Jan Hubicka <jh@suse.cz>
1479 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1482 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1484 PR tree-optimization/27770
1485 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1486 declaration removed (moved to tree-flow.h).
1487 (vect_can_force_dr_alignment_p): Likewise.
1488 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1489 (moved from tree-vectorizer.h).
1490 (vect_can_force_dr_alignment_p): Likewise.
1491 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1492 from outside the vectorizer - in particular from cgraph stage.
1493 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1494 the alignment of global arrays when -fsection-anchors is enabled.
1495 * cgraphunit.c (cgraph_increase_alignment): New function.
1496 (cgraph_optimize): Call cgraph_increase_alignment.
1498 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1501 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1502 not reload a SPE symbol_ref into a lo_sum address.
1504 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1507 * dwarf2out.c (prune_unused_types_prune): Move call to
1508 prune_unused_types_update_strings to cover the parent DIE also.
1510 2006-08-02 Jan Hubicka <jh@suse.cz>
1512 PR gcov/profile/28480
1513 * tree-cfg.c (change_bb_for_stmt): New function.
1514 (tree_merge_blocks, tree_split_blocks): Use it.
1516 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1522 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1523 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1524 (cgraph_optimize): Likewise.
1526 2006-08-01 Stuart Hastings <stuart@apple.com>
1528 * rtl.h (UINTVAL) New.
1529 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1530 * testsuite/gcc.dg/20060801-1.c: New.
1532 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1535 * c-typeck.c (build_external_type): Mark used enum types.
1536 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1538 (gen_subprogram_die): Whitespace fix.
1540 2006-08-01 Jan Hubicka <jh@suse.cz>
1542 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1543 bitmap when not needed.
1544 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1547 2006-08-01 Dirk Mueller <dmueller@suse.de>
1549 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1551 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1553 * Makefile.in: Revert part of previous patch:
1554 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1557 2006-07-30 Eric Christopher <echristo@apple.com>
1560 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1561 (PowerPC Variable Attributes): New section.
1563 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1565 PR target/28126 (partial fix)
1566 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1568 2006-07-28 Jan Hubicka <jh@suse.cz>
1570 PR rtl-optimization/28071
1571 * cfgrtl.c (rtl_delete_block): Free regsets.
1572 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1574 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1576 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1577 and variables used in dependencies.
1579 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1581 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1582 %fs for -mcmodel=kernel.
1583 (stack_tls_protect_test_di): Likewise.
1585 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1587 * Makefile.in: Use mkinstalldirs.
1589 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1592 * opts-common.c (prune_options): Skip joined switches.
1594 2006-07-27 Jan Hubicka <jh@suse.cz>
1596 PR rtl-optimization/28071
1597 * cselib.c (cselib_process_insn): Don't remove useless values too
1598 often for very large hashtables.
1600 2006-07-27 Jan Hubicka <jh@suse.cz>
1602 PR rtl-optimization/28071
1603 * global.c (greg_obstack): New obstack.
1604 (allocate_bb_info): Use it.
1605 (free_bb_info): Likewise.
1606 (modify_reg_pav): Likewise.
1608 2006-07-27 Roger Sayle <roger@eyesopen.com>
1610 * builtins.c (fold_fixed_mathfn): When long and long long are the
1611 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1612 functions to their lceil*, lfloor*, lround* and lrint* forms.
1614 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1617 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1619 (rev_branch_insn): Likewise.
1621 2006-07-27 Jan Hubicka <jh@suse.cz>
1623 PR rtl-optimization/28071
1624 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1625 (reg_set_in_bb, max_reg_computed): New static variables.
1626 (regmove_optimize): Free the new array.
1627 (fixup_match_1): Update call of reg_is_remote_constant_p.
1629 2006-07-26 Jan Hubicka <jh@suse.cz>
1631 PR tree-optimization/27882
1632 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1634 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1636 (cgraph_analyze_compilation_unit): Likewise.
1637 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1638 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1639 (cgraph_early_inlinine): Make order garbage collected.
1640 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1642 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1644 * dbxout.c (output_types_sort): Add a comment.
1645 (output_used_types): Free the VEC.
1647 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1649 * function.c (reorder_fix_fragments): Delete.
1650 (reorder_blocks): Don't call it.
1651 (reorder_blocks_1): Put all subblocks under the origin block.
1653 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1655 PR rtl-optimization/27907
1656 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1659 2006-07-25 Roger Sayle <roger@eyesopen.com>
1662 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1663 bar(x) check that bar's result type can represent all the values of T.
1665 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1667 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1669 2006-07-25 Nick Clifton <nickc@redhat.com>
1671 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1672 size_lookup[] array.
1673 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1674 (ggc_pch_count_object): Likewise.
1675 (ggc_pch_alloc_object): Likewise.
1676 (ggc_pch_write_object): Likewise.
1677 (init_ggc): Do not attempt to initialize entries in the
1678 size_lookup[] array for objects whose size is greater than than
1679 the length of the array.
1681 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1683 * dbxout.c (output_used_types_helper): Push queued types
1685 (output_types_sort): New.
1686 (output_used_types): Collect used types on a VEC and sort them
1689 2006-07-24 Richard Guenther <rguenther@suse.de>
1692 * cgraph.c (cgraph_remove_node): Do not check if dumps
1694 * cgraphunit.c (cgraph_optimize): Likewise.
1696 2006-07-24 Jan Hubicka <jh@suse.cz>
1698 PR rtl-optimization/28071
1699 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1700 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1701 splitting before first stmt.
1703 2006-07-24 Jan Hubicka <jh@suse.cz>
1705 PR rtl-optimization/28071
1706 * ipa-inline.c (update_caller_keys): Remove edges that
1707 are no longer inline candidates.
1709 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1712 * dbxout.c (output_used_types_helper, output_used_types): New.
1713 (dbxout_symbol): Call output_used_types.
1715 2006-07-23 Jan Hubicka <jh@suse.cz>
1719 * cgraph.c (cgraph_varpool_nodes): Export.
1720 (decide_is_variable_needed): Ignored "used" attribute in
1721 unit-at-a-time mode.
1722 * cgraph.h (cgraph_varpool_nodes): Declare.
1723 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1724 unit-at-a-time mode.
1726 2006-07-23 Roger Sayle <roger@eyesopen.com>
1729 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1730 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1731 the __gthrw form of thr_keycreate.
1732 (__gthread_key_delete): Silence the unused argument warning.
1734 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1737 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1738 Cache the last found '\0' marker to avoid quadratic behavior.
1740 2006-07-23 Jan Hubicka <jh@suse.cz>
1742 * i386.md (subsi_3_zext): Fix output template.
1744 2006-07-21 Mike Stump <mrs@apple.com>
1746 * doc/invoke.texi (C++ Dialect Options): Note that
1747 -fvisibility-inlines-hidden doesn't affect explicitly
1748 instantiationed inline methods.
1750 2006-07-20 Roger Sayle <roger@eyesopen.com>
1752 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1753 if the target assembler is GNU binutils' gas.
1754 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1755 whether to pass GNU gas or native as command line options.
1757 2006-07-20 Jason Merrill <jason@redhat.com>
1759 * tree.c (remove_attribute): New fn.
1760 * tree.h: Declare it.
1762 2006-07-20 Paul Brook <paul@codesourcery.com>
1765 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1766 they are invalidated by this instruction.
1768 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1771 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1773 2006-07-20 Eric Christopher <echristo@apple.com>
1776 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1778 2006-07-19 Eric Christopher <echristo@apple.com>
1780 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1781 Rewrite dependencies for libgcc_s.1.dylib.
1783 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1785 * except.c (duplicate_eh_regions_1): Clear next_peer.
1787 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1789 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1790 -mlongcall does not guarantee all calls will be long.
1791 * doc/extend.texi (long_call/short_call): Document that longcall
1792 does not guarantee a long call will be used.
1793 (longcall/shortcall): Likewise.
1795 2006-07-18 Roger Sayle <roger@eyesopen.com>
1798 * expmed.c (expand_shift): Additionally check that the shift_cost
1799 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1800 before implementing a LSHIFT_EXPR as a sequence of additions.
1801 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1802 middle-end that DImode shifts need to be synthesized by expand.
1804 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1807 * tree-ssa-operands.c (access_can_touch_variable): Update
1809 Return true if ALIAS is .GLOBAL_VAR.
1811 2006-07-18 David Daney <ddaney@avtrex.com>
1813 * gcc.c (display_help): Fix typo in help text.
1815 2006-07-18 Olivier Hainque <hainque@adacore.com>
1817 * tree.h (categorize_ctor_elements): Adjust prototype and add
1818 descriptive comment, both in accordance with the interface change
1820 * varasm.c (constructor_static_from_elts_p): New function.
1821 Whether a constructor node is a valid static constant initializer
1822 if all its elements are.
1823 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1824 * output.h: Declare it.
1825 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1826 is a valid constant initializer instead of computing the number of
1827 non-constant elements. Use constructor_static_from_elts_p for this
1828 purpose. Replace the head comment with an indication that this is a
1829 helper for categorize_ctor_elements.
1830 (categorize_ctor_elements): Same interface change as for the _1
1831 helper. Former head comment from this helper moved here, adjusted to
1832 account for the interface changes.
1833 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1834 (all_zeros_p): Likewise.
1835 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1836 static versions of the constructor from the categorize_ctor_elements
1837 return value instead of the formerly computed number of non-constant
1840 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1842 * configure: Regenerate.
1843 * Makefile.in (build_libsubdir): New configure substitution
1844 (build_libobjdir): New variable.
1845 (BUILD_LIBIBERTY): Use it.
1847 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1850 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1852 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1855 * c-common.c (handle_weakref_attribute): Ignore attribute in
1856 the same conditions the alias attribute is ignored.
1858 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1860 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1861 (dbxout_begin_prologue): Increment scope_labelno.
1863 2006-07-17 Richard Henderson <rth@redhat.com>
1866 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1869 2006-07-17 Roger Sayle <roger@eyesopen.com>
1870 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1872 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1873 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1874 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1875 functions such as sbrk, write, etc.. Add function prototypes.
1876 Convert function declarations from K&R to ISO C. Cast pointers
1877 to "long" and "unsigned long" instead of "int" and "unsigned int".
1878 Convert tokens following #endif into comments.
1880 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1882 * invoke.texi: Remove mention of f77; Reformat table for
1883 inline parameter options correctly; mention that -malign-double
1884 is default on x86-64 targets.
1886 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1888 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1889 (convert_affine_scev, chrec_convert_aggressive): Use
1890 avoid_arithmetics_in_type_p. Do not check for the subtypes
1893 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1896 * optabs.c (expand_doubleword_shift): Wrap the call to
1897 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1899 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1902 * optabs.c (expand_binop): Pass next_methods rather than methods
1903 to expand_doubleword_shift.
1905 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1908 * tree.h (dump_addr): Declare.
1909 * print-tree.c (dump_addr): New function.
1910 (print_node_brief, print_node): Use it.
1911 * print-rtl.c (print_rtx): Likewise.
1912 * common.opt (-fdump-noaddr): New option.
1913 * doc/invoke.texi (-fdump-noaddr): Document.
1914 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1915 (ve_info_hash): Likewise.
1917 2006-07-13 Andrew Haley <aph@redhat.com>
1919 PR tree-optimization/19505
1920 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1921 edge leaving this block, make sure that the destination of this
1922 block has only one predecessor.
1924 2006-07-17 Richard Guenther <rguenther@suse.de>
1926 PR tree-optimization/28238
1927 * tree-inline.c (copy_bb): Check if we produced valid
1928 gimple copying and substituting a stmt. If not, gimplify
1931 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1933 * optabs.c (maybe_encapsulate_block): New function extracted from...
1934 (emit_libcall_block): ...here. Invoke it on the block of insns to
1935 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1936 (emit_no_conflict_block): Likewise.
1938 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1940 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1942 2006-07-15 Roger Sayle <roger@eyesopen.com>
1944 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1945 a new NOP_EXPR case of the switch statement.
1947 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1950 * stor-layout.c (place_field): Take the bit field with
1951 an excessive size into account in the ms-bitfiled case.
1954 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1955 the previous bit field.
1957 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1960 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1962 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1964 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1965 signal frames correctly even when the signal was installed with
1968 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1970 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1971 (dbxout_function_end): Use local label LFBB. Remove hook
1973 (dbxout_source_line): Use local label LFBB.
1974 (dbxout_block): Likewise.
1975 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1976 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1977 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1978 and DBX_OUTPUT_NFUN.
1980 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1982 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1984 2006-07-13 Jan Hubicka <jh@suse.cz>
1986 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1988 * output.h (align_variable): Declare.
1989 * varasm.c (align_variable): Export.
1990 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1991 when basic block changed.
1993 2006-07-13 Nick Clifton <nickc@redhat.com>
1995 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1996 walking the LOG_LINKS chain.
1998 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2000 * doc/invoke.texi (C++ Dialect Options): Explain difference
2001 between -fvisibility-inlines-hidden and setting hidden
2002 visibility explicitly.
2004 2006-07-12 Eric Christopher <echristo@apple.com>
2006 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2007 (stmp-lipo): Depend on libgcc.a.
2009 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2011 * tree.c: Fix a comment typo.
2013 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2015 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2017 (umulhisi3_r): Likewise.
2019 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2022 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2023 x < 19, vs wchar_t support.
2025 2006-07-12 Nick Clifton <nickc@redhat.com>
2027 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2028 instead of -isa=sh4.
2030 2006-07-12 Mike Stump <mrs@apple.com>
2032 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2034 2006-07-10 Eric Christopher <echristo@apple.com>
2036 * config/t-slibgcc-darwin: Rewrite.
2038 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2041 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2044 2006-07-08 Matthias Klose <doko@debian.org>
2046 * doc/sourcebuild.texi: Fix typo.
2048 2006-07-07 Mike Stump <mrs@apple.com>
2050 * toplev.c (process_options): Don't give -ffunction-sections may
2051 affect debugging warning for Mach-O.
2053 2006-07-07 James E Wilson <wilson@specifix.com>
2055 * config/mips/mips.md (cpu): Add sb1a.
2056 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2057 addition to sb1. Adjust comments to clarify SB-1A differences from
2059 (ir_sb1a_load): New. Modify bypasses to use it.
2060 (ir_sb1a_simple_alu): Likewise.
2061 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2062 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2063 (mips_issue_rate): Add PROCESSOR_SB1A.
2064 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2065 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2066 (TARGET_SB1): Add PROCESSOR_SB1A check.
2067 (TUNE_SB1): Likewise.
2069 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2070 * config/mips/mips.c (mips_store_data_bypass_p): New.
2071 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2072 store_data_bypass_p.
2074 2006-07-08 Paul Brook <paul@codesourcery.com>
2077 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2079 2006-07-07 Richard Guenther <rguenther@suse.de>
2082 * tree.h (build_one_cst): Declare.
2083 * tree.c (build_one_cst): New function.
2084 * tree-ssa-math-opts.c (get_constant_one): Remove.
2085 (insert_reciprocals): Use build_one_cst.
2086 * fold-const.c (fold_plusminus_mult): Likewise.
2088 2006-07-07 Roger Sayle <roger@eyesopen.com>
2090 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2091 * cfgloopanal.c (dump_graph): Likewise.
2092 * dojump.c (discard_pending_stack_adjust): Likewise.
2093 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2095 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2096 * function.c (finalize_block_changes): Likewise.
2097 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2098 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2099 * rtl.c (dump_rtx_statistics): Likewise.
2100 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2102 * varray.c (dump_varray_statistics): Likewise.
2103 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2104 decode_decimal64, encode_decimal128, decode_decimal128,
2105 decimal_real_to_decimal): Likewise.
2107 2006-07-07 Richard Guenther <rguenther@suse.de>
2109 PR tree-optimization/28187
2110 * tree-vrp.c (vrp_operand_equal_p): New function.
2111 (vrp_bitmap_equal_p): Likewise.
2112 (update_value_range): Use them to compare old and new
2115 2006-07-06 Roger Sayle <roger@eyesopen.com>
2117 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2118 a default case to switch statement to silence compiler warnings.
2120 2006-07-06 Roger Sayle <roger@eyesopen.com>
2123 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2124 the configured assembler supports the x87's ffreep mnemonic.
2125 * configure: Regenerate.
2126 * config.in: Regenerate.
2128 * config/i386/i386.c (output_387_ffreep): New function.
2129 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2130 (output_387_reg_move): Likewise.
2132 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2134 Port to hosts whose 'sort' and 'tail' implementations
2135 treat operands with leading '+' as file names, as POSIX
2136 has required since 2001. However, make sure the code still
2137 works on pre-POSIX hosts.
2138 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2139 which says you should use "tail -c +N" rather than "tail +Nc".
2140 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2142 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2144 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2147 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2150 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2151 PRE_{INC,DEC} of TFmode.
2153 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2154 Alan Modra <amodra@bigpond.net.au>
2157 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2160 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2163 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2164 Remove duplicate gtu.
2166 2006-07-05 Jason Merrill <jason@redhat.com>
2170 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2171 * c-common.c (handle_packed_attribute): So don't copy it here.
2172 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2174 2006-07-05 Mike Stump <mrs@apple.com>
2176 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2178 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2181 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2183 2006-07-05 Richard Guenther <rguenther@suse.de>
2186 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2187 TARGET_SSE2 targets if using SSE math.
2188 (*absdf2_1): Likewise.
2190 2006-07-05 Richard Guenther <rguenther@suse.de>
2192 PR tree-optimization/28162
2193 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2194 make sure to convert the operands to the correct type.
2196 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2198 PR tree-optimization/28218
2200 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2201 to calculate and free the dominator information.
2203 2006-07-04 Peter O'Gorman <peter@pogma.com>
2205 * mklibgcc.in: chmod 644 before ranlib during install.
2207 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2208 J"orn Rennecke <joern.rennecke@st.com>
2210 * configure.ac (.eh_frame data check): Use diff -b.
2212 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2215 * Makefile.in (BUILD_RTL): Add build/vec.o.
2216 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2217 (build/genextract): Delete.
2218 (build/genautomata): Likewise.
2220 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2223 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2224 128-bit IBM long doubles for ABI_V4.
2226 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2228 * tree.c (range_in_array_bounds_p): New predicate.
2229 * tree.h (range_in_array_bounds_p): Declare it.
2230 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2231 return a less conservative answer.
2232 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2233 and flag 'is_group'.
2234 (IS_ELEMENT_FOR_GROUP): New macro.
2235 (FOR_EACH_ACTUAL_CHILD): Likewise.
2236 (next_child_for_group): New helper function.
2237 (can_completely_scalarize_p): Take into account groups.
2238 (sra_hash_tree): Handle RANGE_EXPR.
2239 (sra_elt_eq): Likewise.
2240 (lookup_element): Be prepared for handling groups.
2241 (is_valid_const_index): Delete.
2242 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2243 instead of is_valid_const_index.
2244 <ARRAY_RANGE_REF>: New case.
2245 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2246 is_valid_const_index.
2247 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2248 (scan_dump): Dump info for groups too.
2249 (decide_instantiation_1): Likewise.
2250 (decide_block_copy): Assert that the element is not a group.
2251 Propagate decision to groups.
2252 (generate_one_element_ref): Handle RANGE_EXPR.
2253 (mark_no_warning): Iterate over actual childs.
2254 (generate_copy_inout): Likewise.
2255 (generate_element_copy): Likewise.
2256 (generate_element_zero): Likewise.
2257 (generate_element_init_1): Likewise.
2258 (dump_sra_elt_name): Handle RANGE_EXPR.
2260 2006-07-03 Roger Sayle <roger@eyesopen.com>
2262 PR tree-optimization/26251
2263 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2264 (thread_block): When optimizing for size refuse to thread jumps
2265 that would require duplication of blocks other than redirection
2268 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2270 * configure.ac: Fix thinko in previous check-in.
2271 * configure: Regenerate.
2273 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2276 * configure.ac (for lang...): Simplify nesting of conditionals.
2277 Test subdir_requires for non-enabled languages. Move processing
2278 of lang_opt_files and lang_tree_fiels below that test.
2279 * configure: Regenerate.
2280 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2282 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2284 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2286 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2288 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2291 2006-06-29 Jason Merrill <jason@redhat.com>
2298 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2299 * c-common.c (c_determine_visibility): Handle it here.
2300 * c-decl.c (finish_decl): Call c_determine_visibility for
2302 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2304 * varasm.c (default_assemble_visibility): Likewise.
2305 * c-common.c (handle_visibility_attribute): Complain about trying
2306 to give visibility to an already defined class, or trying to change
2307 declared visibility. Always attach the attribute.
2312 * attribs.c (decl_attributes): Ignore type-in-place attributes
2313 once the type has been defined.
2315 2006-06-29 Roger Sayle <roger@eyesopen.com>
2318 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2319 to indicate the cpplib has issued an error message for us.
2321 2006-06-29 Asher Langton <langton2@llnl.gov>
2324 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2325 insert a label at the end of an function under Mach-O.
2327 2006-06-29 Eric Christopher <echristo@apple.com>
2328 Evan Cheng <evan.cheng@apple.com>
2330 * predicates.md (vector_all_ones_operand): New.
2331 (nonimmediate_or_sse_const_operand): Ditto.
2332 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2333 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2334 (standard_sse_mode_p): Ditto.
2335 (standard_sse_constant_p): Add case for -1 vector.
2336 (ix86_expand_vector_move): Try to use.
2337 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2338 Call standard_sse_constant_opcode.
2339 (*movv4sf_internal): Ditto.
2340 (*movv2df_internal): Ditto.
2342 2006-06-29 Roger Sayle <roger@eyesopen.com>
2344 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2345 of XEXP to extract the operands of a MATCH_CODE rtx.
2347 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2349 * tree.c (tree_size): Do not waste tail padding in
2350 struct tree_string and make the size be the same as
2351 build_string will generate.
2353 2006-06-28 Jason Merrill <jason@redhat.com>
2356 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2357 may_aliases already in the tag's annotations to the bitmap.
2359 2006-06-28 Roger Sayle <roger@eyesopen.com>
2361 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2363 2006-06-28 Roger Sayle <roger@eyesopen.com>
2365 * genpreds.c (generate_switch_p): New function.
2366 (add_mode_tests): Push the new mode test down inside an AND expr
2367 if this allows the switch-suitable MATCH_CODE to be near the root.
2368 (write_match_code_switch): New function to write a MATCH_CODE as
2370 (write_predicate_stmts): New function to write a predicate RTX
2371 expression as a sequence of statements.
2372 (write_one_predicate_function): Use write_predicate_stmts.
2373 (write_tm_constrs_h): Likewise.
2375 2006-06-26 Fred Fish <fnf@specifix.com>
2377 * config/mips/t-sb1: New file.
2378 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2381 2006-06-26 DJ Delorie <dj@redhat.com>
2383 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2385 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2386 Jayant Sonar <jayants@kpitcummins.com>
2387 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2389 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2390 (subsi3, subsi3_1, subsi3_2): New.
2391 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2392 * config/m32c/mov.md (SI mov peephole): New.
2393 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2394 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2396 2006-06-26 Olivier Hainque <hainque@adacore.com>
2398 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2399 a CALL_EXPR target function declaration.
2401 2006-06-26 Richard Guenther <rguenther@suse.de>
2403 * tree.c (build_string): Do not waste tail padding in
2406 2006-06-26 Richard Guenther <rguenther@suse.de>
2408 * ggc-page.c (init_ggc): Add missing element to size_lookup
2412 2006-06-23 Richard Guenther <rguenther@suse.de>
2414 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2415 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2416 alignment requests instead. Add verification code.
2417 Add struct tree_function_decl and struct tree_binfo size to
2418 extra_order_size_table. Add missing element to size_lookup
2421 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2424 * fold-const.c (const_binop): Be prepared for self returning zero.
2425 Simplify code handling complex values.
2427 2006-06-24 Olivier Hainque <hainque@adacore.com>
2429 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2430 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2433 2006-06-24 Olivier Hainque <hainque@adacore.com>
2435 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2436 ARRAY_REF, so have the callback called for the low bound expression.
2438 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2440 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2441 * c-typeck.c (c_common_type): Disallow operations on decimal float
2442 types and other float types.
2443 * convert.c (convert_to_real): Don't ignore conversions involving
2444 decimal float types.
2446 2006-06-23 Olivier Hainque <hainque@adacore.com>
2448 * tree.c (max_int_size_in_bytes): New function, inspired from
2449 code in function.c:assign_temp.
2450 * tree.h (max_int_size_in_bytes): Declare.
2451 * function.c (assign_temp): Use it.
2452 * gimplify.c (create_tmp_var): Relax the assertions on the type
2453 properties, not mandating constant size any more.
2454 (force_constant_size): New static function.
2455 (gimple_add_tmp_var): Use it, forcing variable size to a
2456 constant upper bound if it is not constant on entry.
2458 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2461 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2462 for initialization and setting of one_only flag to ...
2463 (i386_pe_encode_section_info): ...here.
2464 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2465 Recheck that the symbol has not been defined.
2467 2006-06-23 Richard Guenther <rguenther@suse.de>
2469 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2470 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2471 alignment requests instead. Add verification code.
2472 Add struct tree_function_decl and struct tree_binfo size to
2473 extra_order_size_table. Add missing element to size_lookup
2476 2006-06-22 Roger Sayle <roger@eyesopen.com>
2477 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2480 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2481 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2483 2006-06-23 Ben Elliston <bje@au.ibm.com>
2485 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2486 negate dn -- manipulate it directly.
2488 2006-06-22 Roger Sayle <roger@eyesopen.com>
2489 Steven Bosscher <stevenb.gcc@gmail.com>
2492 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2493 generated by gen_move_insn to add REG_LABEL notes if necessary.
2495 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2497 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2498 (leaf_entry): Remove use of MIN_ESA.
2500 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2502 PR rtl-optimization/28121
2503 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2506 2006-06-21 DJ Delorie <dj@redhat.com>
2508 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2510 (mulhisi3_r): Likewise.
2512 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2515 * coverage.c (coverage_counter_alloc): Leave the index type
2517 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2520 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2522 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2523 section from the "Options for Code Generation Conventions".
2525 2006-06-21 Richard Henderson <rth@redhat.com>
2529 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2531 (global_symbolic_operand): Allow weak symbols, even if local_p.
2533 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2535 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2536 (find_interesting_uses_address): Punt if above function returns true.
2538 2006-06-21 Richard Guenther <rguenther@suse.de>
2540 * configure: Regenerated.
2542 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2544 * config/mips/mips.c (function_arg): Where one part of a
2545 complex argument is in registers and the other part in the stack,
2546 return a REG not a PARALLEL.
2548 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2550 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2551 when cross-compiling. Do not substitute libstdcxx_incdir.
2552 * configure: Regenerated.
2554 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2556 * varasm.c (mergeable_string_section): Check for embedded NULs and
2557 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2558 rather than TREE_STRING_LENGTH bytes.
2560 2006-06-21 Richard Guenther <rguenther@suse.de>
2562 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2563 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2566 2006-06-21 Richrad Guenther <rguenther@suse.de>
2568 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2569 Limit iteration over the dominators.
2571 2006-06-20 Roger Sayle <roger@eyesopen.com>
2573 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2574 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2576 2006-06-20 Richard Guenther <rguenther@suse.de>
2577 Michael Matz <matz@suse.de>
2579 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2581 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2582 * et-forest.h (et_free_pools): Prototype new function.
2583 * et-forest.c (et_free_tree_force): Free parent occurrence.
2584 (et_free_pools): New function.
2585 * dominance.c (free_dominance_info): Free et-forest alloc
2588 2006-06-20 Roger Sayle <roger@eyesopen.com>
2590 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2591 integer modes, attempt to directly construct an integer constant.
2593 * fold-const.c (native_encode_vector): Determine the size of each
2594 element from the vector type instead of the first vector element.
2596 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2597 if all of its elements/components are constant.
2598 (build_constructor_from_list): Likewise.
2600 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2602 PR tree-optimization/27331
2603 * tree-data-ref.c (free_data_ref): New function.
2604 (create_data_ref): Fail if the data reference has unknown access
2606 (free_data_refs): Use free_data_ref.
2608 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2611 * tree-inline.c (setup_one_parameter): Strip useless
2612 type conversion before adding it to the IR.
2613 (declare_return_variable): Likewise.
2615 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2618 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2620 2006-06-19 Mike Stump <mrs@apple.com>
2622 * tree.c (variably_modified_type_p): VM arguments don't make the
2625 2006-06-19 Richard Guenther <rguenther@suse.de>
2627 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2628 type conversions after folding.
2630 2006-06-19 Richard Guenther <rguenther@suse.de>
2632 * ggc-page.c (extra_order_size_tab): Add entries with
2633 size of struct function and basic_block.
2634 (size_lookup): Extend to cover sizes up to 511.
2635 (ggc_alloc_stat): Adjust user.
2636 (ggc_pch_count_object): Likewise.
2637 (ggc_pch_alloc_object): Likewise.
2638 (ggc_pch_write_object): Likewise.
2640 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2642 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2643 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2646 2006-06-19 Denis Chertykov <denisc@overta.ru>
2648 * config/avr/libgcc.S : Correct my wrong previous commit.
2650 2006-06-19 Roger Sayle <roger@eyesopen.com>
2653 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2654 have stripped a SUBREG from the shift count, so we may need to
2655 convert_to_mode back to the type's mode before calling make_tree.
2656 Use new_amount instead of amount to avoid expanding a tree twice.
2658 2006-06-19 Richard Guenther <rguenther@suse.de>
2661 * fold-const.c (operand_equal_p): Check if the argument types
2662 have the same precision before stripping NOPs.
2664 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2666 Fix PR tree-optimization/27341
2667 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2669 * tree-complex.c (pass_lower_complex): Update SMT usage.
2671 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2673 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2674 Add a new alternative to the constraint strings. Add move of
2675 operand 1 to 3 to the splitter definition.
2676 ("doloop_si_long"): Second contraint alternative removed.
2678 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2680 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2681 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2683 (AVR_HAVE_MOVW) Define.
2684 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2685 (ASM_SPEC): Add avr25.
2686 (LINK_SPEC): Add avr25.
2687 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2688 (base_arch_s): Add new member 'have_movw_lpmx'.
2689 (avr_arch_types): Init 'have_movw_lpmx'.
2690 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2691 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2692 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2693 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2694 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2696 (avr_file_start): Do not output '.arh' derective.
2697 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2698 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2699 * config/avr/avr.md (mcu_enhanced): Delete.
2700 (mcu_have_movw): Define.
2701 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2702 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2703 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2704 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2705 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2706 attiny861 and at86rf401 devices.
2708 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2710 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2713 2006-06-17 Karl Berry <karl@gnu.org>
2715 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2716 doc/gccint.texi, doc/install.texi (@dircategory): Use
2717 "Software development" instead of "Programming", following
2718 the Free Software Directory.
2720 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2722 * config/i386/i386.c (legitimate_tls_address)
2723 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2724 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2725 (*tls_dynamic_gnu2_combine_64): Likewise.
2727 2006-06-16 Richard Guenther <rguenther@suse.de>
2730 * fold-const.c (negate_expr_p): Do not introduce undefined
2731 overflow in negating INTEGER_CSTs.
2732 (fold_negate_expr): Rename from negate_expr. Revert last
2733 change for folding BIT_NOT_EXPR. Change semantics to
2734 return NULL_TREE for non-simplified negations. Do not
2735 strip type conversions and unify type handling.
2736 (negate_expr): New function, wrap around fold_negate_expr
2737 but ensure building a tree always. Strip type conversions
2738 here, fold to result type.
2739 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2741 2006-06-16 Roger Sayle <roger@eyesopen.com>
2744 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2745 that (would) return their results in stack registers.
2747 2006-06-16 Michael Matz <matz@suse.de>
2748 Richard Guenther <rguenther@suse.de>
2750 * fold-const.c (fold_truthop): Only return new tree node if
2751 we canonicalized something.
2753 2006-06-16 Richard Guenther <rguenther@suse.de>
2755 * function.h (enum function_frequency): Move declaration
2756 out of struct function.
2757 (struct function): Move bool fields and the enum to the bitfield
2758 section. Reorder elements to avoid padding. Remove unused
2759 fields left over from the RTL inliner removal.
2760 * function.c (free_after_compilation): Do not zero removed fields.
2761 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2762 (ipa-type-escape.o): Likewise.
2764 2006-06-16 Richard Guenther <rguenther@suse.de>
2766 * cgraph.h (struct cgraph_local_info): Turn bool elements
2768 (struct cgraph_node): Likewise.
2769 (struct cgraph_varpool_node): Likewise.
2771 2006-06-15 Richard Guenther <rguenther@suse.de>
2773 * fold-const.c (fold_truth_not_expr): Rename from
2774 invert_truthvalue. Give it fold_* semantics to avoid
2776 (invert_truthvalue): New function. Wrapper around
2777 fold_truth_not_expr.
2778 (optimize_minmax_comparison): Avoid creating garbage.
2779 (fold_unary): Use fold_truth_not_expr for folding
2781 (fold_ternary): Replace uses of invert_truthvalue with
2782 fold_truth_not_expr where applicable.
2783 * tree.h (fold_truth_not_expr): Prototype.
2785 2006-06-16 Richard Guenther <rguenther@suse.de>
2787 PR tree-optimization/27781
2788 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2789 * ipa-pure-const.c (target.h): Include.
2790 (analyze_function): Do not analyze functions that do not
2793 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2796 * tree-dfa.c (referenced_vars_dup_list): Remove.
2797 (find_referenced_vars): Remove assert.
2798 (referenced_var_check_and_insert): Replace dup list with assert.
2799 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2800 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2802 2006-06-15 Richard Guenther <rguenther@suse.de>
2804 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2805 extra unused identifiers if not dumping.
2806 (create_variable_info_for): Likewise.
2808 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2810 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2811 (derive_constant_upper_bound): Derive more precise upper bound in
2812 common cases. Return type changed to double_int.
2813 (record_estimate): Reflect the changed return type of
2814 derive_constant_upper_bound.
2815 * double-int.c (double_int_zext, double_int_sext): Fix.
2817 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2819 * configure.ac (CFLAGS): Get them from the toplevel or from the
2820 configure invocation.
2821 * configure: Regenerate.
2822 * Makefile.in (CFLAGS): Substitute value provided by configure.
2824 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2827 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2828 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2829 rather than calling add_stmt on it.
2830 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2832 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2835 * reload1.c (reload): Remove registers returned by update_eliminables
2836 from used_spill_regs.
2838 2006-06-13 DJ Delorie <dj@redhat.com>
2840 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2842 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2844 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2845 html__strip_dir, html__mkdir_p. Enhance install-html target.
2846 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2847 * configure: Regenerate.
2849 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2851 * fold-const.c (fold_cond_expr_with_comparison): Check for
2852 Objective-C++ as language in deciding COND_EXPR transformation.
2854 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2857 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2858 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2859 * config/sh/lib1funcs.h (SL, SL1): Define.
2860 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2861 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2862 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2863 (OBJS_Os_4_200): New variable.
2864 ($(T)libgcc-Os-4-200.a): Use it.
2865 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2866 when dividing 1 and/or by 0.
2868 2006-06-13 Roger Sayle <roger@eyesopen.com>
2870 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2871 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2872 * configure: Regenerate.
2874 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2876 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2877 for real instruction.
2879 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2882 * haifa-sched.c (check_cfg): Handle special case.
2884 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2887 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2888 Add debug_info parameter. Chain the vars to the BLOCK instead
2889 of the BIND_EXPR if debug info are requested for them.
2890 (pop_gimplify_context): Adjust for above change.
2891 (gimple_add_tmp_var): Likewise.
2892 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2894 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2895 (convert_local_reference): Likewise.
2896 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2897 (finalize_nesting_tree_1): Request that debug info be emitted
2898 for debug_var_chain.
2900 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2902 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2903 for PR target/27863.
2905 2006-06-13 Richard Guenther <rguenther@suse.de>
2908 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2910 2006-06-13 Richard Guenther <rguenther@suse.de>
2912 PR tree-optimization/27830
2913 * tree-inline.c (copy_body_r): For copying the operand
2914 of an ADDR_EXPR make sure to fold &* afterwards.
2916 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2918 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2919 lvalues in the fb_none case with side-effects.
2921 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2923 * tree-flow.h: Remove the prototype for
2924 compute_phi_arg_on_exit.
2925 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2926 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2929 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2931 * builtins.c (expand_builtin_return_addr): Only use
2932 frame_pointer_rtx when count == 0 and we are expanding
2933 __builtin_return_address.
2935 2006-06-12 Fred Fish <fnf@specifix.com>
2937 * config/mips/mips.c (mips_file_start): Create special section
2938 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2940 2006-06-11 Eric Christopher <echristo@apple.com>
2943 * stor-layout.c (place_field): Remove check for
2944 remaining_in_alignment when aligning at the end of a run.
2946 2006-06-11 Eric Christopher <echristo@apple.com>
2949 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2952 2006-06-11 Roger Sayle <roger@eyesopen.com>
2955 Revert incorrect fix for PR target/27158
2956 2006-05-08 Roger Sayle <roger@eyesopen.com>
2957 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2958 of a reg_equiv_constant if the result is a legitimate constant.
2960 2006-06-11 Roger Sayle <roger@eyesopen.com>
2963 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2964 extract a CONST_VECTOR element and interpret it as an integer.
2965 (vspltis_constant): Use const_vector_elt_as_int instead of the
2966 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2967 * config/rs6000/predicates.md (easy_vector_const): Consider
2968 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2970 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2973 * stor-layout.c (update_alignment_for_field): Don't add extra
2974 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2977 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2979 * config/mips/t-rtems: Add EL/EB multilib variants.
2981 2006-06-09 Mike Stump <mrs@apple.com>
2983 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2985 2006-06-09 David Daney <ddaney@avtrex.com>
2987 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2989 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2991 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2993 2006-06-09 Richard Guenther <rguenther@suse.de>
2995 PR tree-optimization/26998
2996 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2997 of signed types, only TYPE_MIN_VALUE is special, but for both,
2998 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2999 in this case, as is -fwrapv.
3001 2006-06-08 Mike Stump <mrs@apple.com>
3004 * config/darwin.c (darwin_asm_output_anchor): Disable
3005 -fsection-anchors on darwin for now.
3006 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3007 * rs6000/rs6000.c (optimization_options): Likewise.
3009 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3012 * config/i386/i386.c (classify_argument): Skip fields with invalid
3015 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3017 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3018 (cse_insn): Likewise for the stack_pointer_rtx.
3020 2006-06-08 Roger Sayle <roger@eyesopen.com>
3022 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3023 conditions from floating point comparisons.
3025 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3028 * expmed.c (struct alg_hash_entry): Fix type of field T
3029 to match synth_mult argument.
3030 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3032 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3035 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3038 2006-06-08 Richard Guenther <rguenther@suse.de>
3041 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3042 only, if overflow is defined and not trapping.
3043 (negate_expr): Likewise.
3045 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3047 PR tree-optimization/27872
3048 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3049 flag on the new exit edge of the unrolled loop.
3051 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3053 PR rtl-optimization/26449
3054 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3056 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3059 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3060 referenced_variables with matching DECL_UID's.
3061 (find_referenced_vars): Make sure duplicate list is empty to start.
3062 (referenced_var_p): Remove.
3063 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3064 Check if var is in the list, and add if needed. Update the duplicate
3065 list if a different var is in the list with the same DECL_UID.
3066 (add_referenced_var): Call routine to check and insert.
3067 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3068 * tree-flow.h (referenced_vars_dup_list): External declaration.
3070 2006-06-07 Fred Fish <fnf@specifix.com>
3072 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3075 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3078 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3079 the imaginary and real parts of a clobbered register.
3080 Emit insn to set the imaginary part.
3082 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3084 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3085 in lieu of unwind-dw2-fde.c.
3087 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3089 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3091 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3094 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3095 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3096 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3097 V4SImode temporaries and operations instead.
3099 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3101 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3104 2006-06-06 Mike Stump <mrs@apple.com>
3106 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3107 installing during build.
3109 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3111 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3113 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3114 * config/ia64/ia64.c (params.h): New header.
3115 (ia64_optimization_options): New function to adjust parameters.
3116 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3117 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3118 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3120 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3122 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3124 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3127 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3129 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3130 Victor Kaplansky <victork@il.ibm.com>
3132 PR tree-optimization/26360
3133 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3136 2006-06-04 Roger Sayle <roger@eyesopen.com>
3137 Andrew Pinski <pinskia@physics.uc.edu>
3140 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3141 for LABEL_DECL before calling DECL_WEAK.
3144 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3145 LABEL_DECL and PARM_DECL.
3147 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3151 * c-decl.c (grokdeclarator): Disallow variably modified types at
3152 file scope. Avoid marking shared array type of constant size as
3155 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3158 * c-common.c (fold_offsetof_1): Handle static members.
3160 2006-06-04 Eric Christopher <echristo@apple.com>
3162 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3163 (debug_rli): Output value for remaining_in_alignment.
3164 (update_alignment_for_field): Unconditionalize
3165 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3166 extra alignment code.
3167 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3168 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3169 * tree.h (record_layout_info_s): Remove prev_packed.
3170 * doc/extend.texi (ms_struct): Add documentation of format.
3172 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3174 * tree.h: Declare folding_initializer.
3175 * builtins.c (fold_builtin_constant_p): Give definite answer
3176 if folding inside an initializer.
3177 * fold-const.c: Define folding_initializer.
3178 (START_FOLD_INIT): Save and then set folding_initializer.
3179 (END_FOLD_INIT): Restore folding_initializer.
3181 2006-06-04 Richard Guenther <rguenther@suse.de>
3183 PR tree-optimization/27039
3184 * fold-const.c (fold_comparison): Handle pointer comparison
3185 again for all comparison codes. Compare offsets in signed
3187 (fold_binary): Move code from here.
3189 2006-06-03 Roger Sayle <roger@eyesopen.com>
3192 * config/i386/i386.c (construct_container): Split static issued_error
3193 flag into issued_sse_arg_error, issued_sse_ret_error and
3194 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3195 requires the use of x87 registers and the user explicitly
3196 specified the -mno-80387 command line option.
3198 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3200 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3201 HAVE_DECL_SIGALTSTACK.
3203 (segv_handler): Use MC_FLD.
3204 * configure.ac: Check for a sigaltstack declaration.
3205 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3206 * configure: Regenerate.
3207 * config.in: Regenerate.
3209 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3212 * Makefile.in (stmp-fixinc): Fix typo.
3214 2006-06-02 Roger Sayle <roger@eyesopen.com>
3216 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3217 are type correct. Clean-up.
3218 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3219 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3221 2006-06-01 DJ Delorie <dj@redhat.com>
3223 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3224 shift, as we've disabled the "switch" insn that needs it.
3226 2006-06-01 Per Bothner <bothner@bothner.com>
3228 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3229 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3230 * c-ppoutput.c (cb_define): Don't increment line 0.
3232 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3234 * doc/invoke.texi: Add cpu_type power6.
3235 * config.gcc: Add cpu_type power6.
3236 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3237 to power5+ with Altivec.
3238 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3239 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3241 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3243 * config/avr/avr.h (SET_ASM_OP): Define.
3245 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3247 * config/bfin/bfin.c: Fix comment typos.
3249 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3252 * doc/install.texi: Document --enable-bootstrap and
3253 --disable-bootstrap.
3255 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3257 * doc/install.texi: Document that InfoZIP can replace jar.
3259 2006-05-31 Roger Sayle <roger@eyesopen.com>
3261 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3262 isn't available, directly generate the simpler x87 patterns without
3263 the (use (const_int 0)).
3264 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3265 implementation isn't available.
3266 (*negdf2_1): Likewise.
3267 (*negxf2_1): XF mode negation is always done using the x87.
3268 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3270 2006-05-31 Roger Sayle <roger@eyesopen.com>
3272 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3273 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3275 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3277 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3279 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3280 * config/bfin/bfin.c (basic-block.h): Include.
3281 (struct machine_function): New.
3282 (bfin_init_machine_status): New.
3283 (override_options): Initialize init_machine_status.
3284 (bfin_hardware_loop): New.
3285 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3286 (DEF_VEC_P (loop_info)): New.
3287 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3288 (struct loop_info): New.
3289 (loop_info): New typedef.
3290 (struct loop_work): New.
3291 (loop_work): New typedef.
3292 (DEF_VEC_O (loop_work)): New.
3293 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3294 (bfin_dump_loops): New.
3295 (bfin_bb_in_loop): New.
3296 (bfin_scan_loop): New.
3297 (bfin_optimize_loop): New.
3298 (bfin_reorg_loops): New.
3299 (bfin_reorg): Use bfin_reorg_loops.
3300 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3302 (I_REGNO_P): Simplify.
3303 (DP_REGNO_P, DPREG_P): New macros.
3304 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3305 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3306 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3307 Add LT_REGS, LC_REGS, LB_REGS.
3308 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3310 (REGNO_REG_CLASS): Deal with loop registers.
3311 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3313 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3314 New constants for loop registers.
3315 (UNSPEC_LSETUP_END): New.
3316 (seq_insns): New define_attr. Set it for appropriate insns.
3317 (movsi_insn): Add alternatives for move from/to
3318 loop count registers.
3319 (doloop_end): New define_expand.
3320 (loop_end): New define_insn.
3321 (define_split for bad doloop_end): New.
3322 (lsetup_with_autoinit): New define_insn.
3323 (lsetup_without_autoinit): New define_insn.
3324 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3325 * config/bfin/predicates.md (lc_register_operand): New.
3326 (lt_register_operand): New.
3327 (lb_register_operand): New.
3328 (nondp_register_operand): New.
3329 (nondp_reg_or_memory_operand): New.
3330 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3332 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3334 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3335 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3337 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3339 * Makefile.in (CATALOGS): Add po/ prefix.
3340 * configure: Regenerated.
3342 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3345 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3346 a shift operand before calling shift_op. Avoid redundant call of
3349 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3350 DJ Delorie <dj@redhat.com>
3352 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3353 we're inserting is a singlt-bit constant.
3355 2006-05-30 Roger Sayle <roger@eyesopen.com>
3357 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3358 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3360 2006-05-30 Roger Sayle <roger@eyesopen.com>
3362 PR tree-optimization/23452
3363 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3364 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3365 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3366 complex values and with -ffast-math for FP complex values.
3368 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3370 * c-common.h: Remove the prototype for yyparse.
3371 * rtl.h: Remove the prototype for init_loop.
3373 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3375 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3378 2006-05-30 Roger Sayle <roger@eyesopen.com>
3380 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3382 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3383 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3385 2006-05-30 Dirk Mueller <dmueller@suse.de>
3388 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3389 for CONSTANT_CLASS_P expresisons.
3391 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3394 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3396 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3398 PR tree-optimization/27779
3399 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3400 initial_condition instead of CHREC_LEFT.
3402 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3404 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3405 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3406 Make prototypes ISO C90.
3408 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3409 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3411 * see.c (see_analyze_one_def): Correct check.
3412 (see_get_extension_data): Check if extension is parallel.
3413 (see_get_extension_reg): Likewise.
3415 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3418 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3419 into register for (code == GTU).
3421 2006-05-29 Roger Sayle <roger@eyesopen.com>
3423 PR tree-optimization/24964
3424 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3425 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3426 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3427 abs(x)*abs(x) as x*x for scalar floating point modes.
3429 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3432 * lambda-code.c (perfect_nestify): Don't copy statements
3433 in the inner loop: move them to the inner loop header.
3435 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3438 * c-tree.texi: Document OpenMP directives and clauses.
3440 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3442 * varasm.c (globalize_decl): Fix indentation.
3444 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3447 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3448 pass_fre, pass_store_ccp, pass_copy_prop,
3449 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3450 pass_return_slot, pass_object_size, pass_lim,
3451 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3452 pass_loop_prefetch and pass_stdarg.
3454 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3456 * config/bfin/bfin.opt (mfdpic): New option.
3457 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3458 (EXTRA_MULTILIB_PARTS): Likewise.
3459 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3460 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3462 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3463 (CRT_CALL_STATIC_FUNCTION): New.
3464 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3466 (CRT_CALL_STATIC_FUNCTION): New.
3467 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3469 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3470 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3471 (initialize_trampoline): Changed to handle FD-PIC code generation.
3472 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3473 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3474 (override_options): Disallow -mid-shared-library -mfdpic combination.
3475 Can't do unaligned ops if FD-PIC.
3476 Turn off flag_pic if trying to generate non-id-shared-library
3477 non-fdpic code, since it's not supported.
3478 (bfin_assemble_integer): New function.
3479 (TARGET_ASM_INTEGER): Define.
3480 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3482 * config/bfin/crtn.s: Restore them.
3483 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3485 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3486 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3487 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3488 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3489 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3491 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3492 FDPIC_REGS and FDPIC_FPTR_REGS.
3493 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3494 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3495 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3496 (load_funcdescsi): New pattern.
3497 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3498 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3499 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3501 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3503 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3506 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3508 * tree-flow.h: Remove the prototype for add_type_alias.
3509 * tree-ssa-alias.c (add_type_alias): Remove.
3511 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3513 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3514 config/fr30/fr30.md, config/i386/i386-interix.h,
3515 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3516 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3517 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3518 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3519 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3520 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3521 Follow spelling conventions.
3522 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3523 Follow spelling conventions.
3525 2006-05-27 Richard Guenther <rguenther@suse.de>
3528 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3529 to produce a constant of value 1 of generic type.
3531 2006-05-27 Dirk Mueller <dmueller@suse.de>
3533 * cgraphunit.c (decide_is_function_needed): Fix wrong
3536 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3538 PR rtl-optimization/27661
3539 * reload.c (find_reloads): When reloading a VOIDmode constant
3540 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3541 use Pmode as mode of the reload register.
3543 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3545 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3546 is enabled at -O and above.
3548 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3551 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3554 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3557 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3558 for anonymous variables explicitly declared by front ends.
3560 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3562 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3563 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3564 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3565 ref-all pointers, run a finalization pass for them.
3566 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3567 (finalize_ref_all_pointers): New function.
3568 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3569 regular pointer type to a ref-all pointer type.
3570 (get_tmt_for): Return the special memory tag for ref-all pointers.
3572 2006-05-25 Richard Guenther <rguenther@suse.de>
3575 * fold-const.c (fold_binary): Do not look at the stripped
3576 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3578 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3580 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3581 for LT and GT if the computed range is effectively empty.
3583 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3586 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3587 mips_quad_format formats instead of ieee_single_format,
3588 ieee_double_format and ieee_quad_format formats, respectively.
3590 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3592 PR tree-optimization/27639
3593 PR tree-optimization/26719
3594 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3595 call to scev_probably_wraps_p.
3596 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3597 used_in_pointer_arithmetic_p, convert_step): Removed.
3598 (nowrap_type_p): New function.
3599 (scev_probably_wraps_p): Rewritten.
3600 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3601 chrec_convert if chrec_convert_aggressive might have been used.
3602 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3603 scev_direction): New functions.
3604 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3605 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3606 instead of convert_step.
3607 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3608 (convert_step): Declaration removed.
3609 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3611 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3613 * df-core.c: Added to header comments.
3614 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3615 df_ur_bb_info, df_urec_bb_info): Added comments.
3616 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3617 urec, ri problems): Fixed header comments.
3618 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3619 code from df_rd_transfer_function.
3621 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3623 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3624 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3625 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3627 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3629 * expr.c (undefined_operand_subword_p): New.
3630 (emit_move_multi_word): Do not generate move from undefined bits
3631 of a paradoxical subreg.
3633 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3635 PR rtl-optimization/27736
3636 * combine.c (replaced_rhs_value): New variable.
3637 (combine_instructions): Set it.
3638 (distribute_notes): When distributing a note in replaced_rhs_insn,
3639 check whether the value was used in replaced_rhs_value.
3641 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3644 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3645 add_referenced_var instead of add_referenced_tmp_var.
3646 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3647 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3649 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3650 tree_optimize_tail_calls_1): Use add_referenced_var.
3651 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3652 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3653 Use add_referenced_var.
3654 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3655 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3656 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3657 Use add_referenced_var.
3658 * tree-dfa.c (struct walk_state): Remove.
3659 (find_referenced_vars): Remove walk state and vars_found hash table.
3660 (make_rename_temp): Use add_referenced_var.
3661 (find_vars_r): Pass less parameters to add_referenced_var.
3662 (referenced_var_p): New. Is var in referenced_var hash table.
3663 (referenced_var_insert): Assert var isn't already in hash table.
3664 (add_referenced_var): Don't need walk_state parameter. Add var if it
3665 isn't already in the hash table.
3666 (add_referenced_tmp_var): Remove.
3667 (find_new_referenced_vars_1): Use add_referenced_var.
3668 * tree-ssa-pre.c (create_expression_by_pieces,
3669 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3670 Use add_referenced_var.
3671 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3672 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3673 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3675 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3676 vect_create_data_ref_ptr, vect_create_destination_var,
3677 vect_init_vector, vect_build_loop_niters,
3678 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3679 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3680 Use add_referenced_var.
3681 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3682 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3683 (add_referenced_var): Add prototype.
3684 * tree-ssa-structalias.c (get_constraint_for,
3685 intra_create_variable_infos): Use add_referenced_var.
3687 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3689 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3690 big-endian paradoxical subregs.
3691 * var-tracking.c (struct micro_operation_def): Document that,
3692 for modify micro operations, insn is the subsequent instruction.
3693 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3694 (var_reg_set, var_mem_set): ... new functions.
3695 (add_stores): Record subsequent insn.
3696 (compute_bb_dataflow): Use new functions for MO_USE.
3697 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3698 notes after the insn, and modify notes before the insn known
3699 to be the subsequent one.
3700 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3702 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3705 * config/i386/i386.c (ix86_expand_builtin): Use
3706 gen_sse3_monitor64 for TARGET_64BIT.
3708 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3710 PR rtl-optimization/26375
3711 PR rtl-optimization/26855
3712 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3714 (df_ru_bb_local_compute): Reversed statements and removed bogus
3715 comment explaining why they should be in wrong order.
3716 (df_ru_dump, df_rd_dump): Enhanced debug info.
3717 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3719 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3720 reaching uses and fixed space problem.
3722 2006-05-23 Jan Hubicka <jh@suse.cz>
3724 * cgraphunit.c (decide_is_function_needed): Also nested functions
3725 and functions declared inline can be optimized out at -O0.
3727 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3729 * doc/install.texi (Configuration): Remove reference to CrossGCC
3733 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3736 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3737 ix86_compare_emitted is non-NULL.
3739 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3742 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3745 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3747 PR rtl-optimization/25514
3748 * combine.c (replaced_rhs_insn): New variable.
3749 (combine_instructions): Set replaced_rhs_insn when trying to replace
3750 a SET_SRC with a REG_EQUAL note.
3751 (distribute_notes): Use replaced_rhs_insn when determining the live
3752 range of a REG_DEAD register.
3754 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3755 Anatoly Sokolov <aesok@post.ru>
3757 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3758 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3759 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3760 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3761 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3762 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3763 at90usb647, at90usb1286 and at90usb1287 devices.
3764 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3765 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3767 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3769 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3771 2006-05-22 Richard Guenther <rguenther@suse.de>
3774 2006-01-31 Richard Guenther <rguenther@suse.de>
3775 Paolo Bonzini <bonzini@gnu.org>
3777 * doc/install.texi (--disable-libgcc-math): Document.
3779 2006-05-22 Richard Guenther <rguenther@suse.de>
3782 2006-01-31 Richard Guenther <rguenther@suse.de>
3784 * doc/invoke.texi (-msselibm): Document.
3785 * target.h (expand_library_builtin): New target hook.
3786 * builtins.c (expand_builtin): Use expand_library_builtin.
3787 (default_expand_library_builtin): New function.
3788 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3789 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3790 (link_gcc_math_spec): Declare.
3791 (static_specs): Add link_gcc_math_spec.
3792 * expr.h (default_expand_library_builtin): Declare.
3793 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3794 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3795 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3796 * config/i386/i386.opt (msselibm): New target option.
3797 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3798 (ix86_init_sse_abi_builtins): New function.
3799 (ix86_expand_library_builtin): Likewise.
3800 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3801 (override_options): Handle error conditions wrt -msselibm.
3802 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3803 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3804 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3807 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3810 * c-common.c (self_promoting_args_p): Skip erroneous args.
3813 * c-decl.c (finish_struct): Skip erroneous fields.
3815 2006-05-22 Nick Clifton <nickc@redhat.com>
3817 * config/cris/cris.opt (march): Remove VarExists attribute.
3818 (max-stackframe=): Likewise.
3820 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3822 * doc/rtl.texi: Fix a typo.
3823 * see.c: Fix comment typos.
3825 * tree-ssa-structalias.h (alias_info): Remove num_references.
3827 2006-05-21 Mike Stump <mrs@apple.com>
3829 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3831 (darwin_pragma_options): Use BAD instead.
3832 (darwin_pragma_unused): Likewise.
3833 (darwin_pragma_ms_struct): Likewise.
3835 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3837 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3839 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3841 PR rtl-optimization/27671
3842 * simplify-rtx.c (simplify_relational_operation_1): Fix
3843 simplifications of (eq/ne (xor x y) y) and
3844 (eq/ne (xor x y) x).
3846 PR tree-optimization/26622.
3847 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3850 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3852 * tree-cfg.c: Prune whitespace.
3853 (debug_tree_cfg): Point to correct header containing the
3856 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3859 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3861 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3864 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3865 or sorry count is non zero.
3867 2006-05-20 Andreas Schwab <schwab@suse.de>
3869 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3871 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3872 Kenneth Zadeck <zadeck@naturalbridge.com>
3874 PR rtl-optimization/26855
3876 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3878 (df_scan_alloc): Added code to properly handle multiword hard
3879 registers and add all_blocks parameter.
3880 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3881 code to properly handle multiword hard registers.
3882 (df_rescan_blocks): Added code to remove deleted blocks from
3884 (df_ref_create_structure, df_ref_record): Added code to properly
3886 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3887 and set DF_REF_PARTIAL.
3888 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3889 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3890 (df_scan_add_problem): Added flags parameter.
3891 (df_ref_create_structure): Changed switching structure.
3892 (df_bb_refs_record): Fixed case where duplicate artificial refs
3893 were created. Changed location of flags.
3894 (df_record_entry_block_defs): Added code to make stack pointer
3895 live in entry block. Refined cases where frame pointer is needed.
3896 Changed location of flags.
3897 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3898 (df_set_state): Removed function.
3899 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3900 df_insn_create_insn_record, df_insn_refs_delete,
3901 df_ref_create_structure): Formatting changes.
3902 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3903 df_delete_basic_block): New function.
3904 (df_init): Changed location of flags.
3905 (df_add_problem): Added flags parameter and the way flags are
3907 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3908 debug_df_chain): Improved debugging output.
3909 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3910 (df_refs_chain_dump): Removed df parameter.
3911 (df_iterative_dataflow): Added consistency check.
3912 (df_prune_to_subcfg): Made public.
3913 (df_analyze_problem): Added blocks_to_init parameter and made
3915 (df_ref_record, df_bb_refs_record, df_mark_reg,
3916 df_record_exit_block_uses): Whitespace changes.
3917 (df_dump): Whitespace changes.
3918 * df.h: Some reordering to remove forward references.
3919 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3920 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3921 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3922 (dataflow.flags): New field.
3923 (df.flag): Deleted field.
3924 (df_alloc_function): Added additional bitmap parameter.
3925 (df_dependent_problem_function): New type.
3926 (df_problem.changeable_flags): New field.
3927 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3928 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3929 (df_mw_hardreg): New struct.
3930 (DF_INSN_UID_MWS): New macro.
3931 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3933 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3934 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3935 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3936 (df_set_state): Removed function.
3937 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3938 * df-problems.c (df_chain_dump): Removed df parameter.
3939 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3940 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3942 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3943 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3944 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3945 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3946 DF_REF_MUST_CLOBBER cases.
3947 (df_ru_bb_local_compute_process_def,
3948 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3949 df_lr_bb_local_compute, df_ur_bb_local_compute,
3950 df_chain_create_bb): Made subreg aware.
3951 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3952 df_lr_bb_local_compute, df_lr_bb_local_compute,
3953 df_chain_create_bb): Cleanup to use proper macros.
3954 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3955 code to fixup bitvectors.
3956 (df_ri_alloc): Cleared lifetime.
3957 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3958 df_create_unused_note): New function.
3959 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3960 REG_DEAD and REG_UNUSED notes as well as register information.
3961 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3962 df_chains_dump): Fixed crash if problem was never run.
3963 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3964 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3965 df_ri_add_problem): Processes flags in uniform manner.
3966 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3967 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3968 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3969 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3970 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3971 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3972 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3973 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3974 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3975 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3976 * see.c (see_initialize_data): Ditto.
3977 * final.c (rest_of_clean_state) Added regstack_completed.
3978 * rtl.h (regstack_completed): Ditto.
3979 * reg-stack.c (regstack_completed): Ditto.
3981 2006-05-19 Mike Stump <mrs@apple.com>
3983 * c-tree.h (default_conversion): Remove.
3984 * c-common.h (default_conversion): Add.
3986 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3988 * tree-vrp.c (valid_value_p): New function.
3989 (adjust_range_with_scev): Fail if the value of bound is not
3992 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3994 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3995 (mips_fallback_frame_state): Use syscall numbers to determine
3996 the appropriate li instruction for the current ABI. Only use
3997 __NR_sigreturn for o32.
3999 2006-05-19 Nicolas Setton <setton@adacore.com>
4001 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4002 * langhooks.c (lhd_dwarf_name): New function.
4003 * langhooks-def.h (lhd_dwarf_name): Declare.
4004 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4005 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4006 * ada/misc.c (gnat_dwarf_name): New function.
4007 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4009 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4011 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4013 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4014 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4015 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4016 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4017 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4018 determine the size of Wtype, etc.
4019 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4020 (swfloatfuncs): New variable.
4021 (dwfloatfuncs): Likewise.
4022 (lib2funcs): Remove floating-point conversion functions from
4023 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4024 the set of conversion routines needed. Allow entries to specify
4025 an object name, filename and word size. Update users accordingly.
4026 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4027 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4031 2006-02-08 Roger Sayle <roger@eyesopen.com>
4034 * config/fixtfdi.c: New libgcc source file.
4035 * config/fixunstfdi.c: New source file.
4036 * config/floatditf.c: New source file.
4037 * config/floatunditf.c: New souce file.
4038 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4039 files above instead of config/mips/_tilib.c.
4040 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4042 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4044 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4045 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4047 2006-05-18 Mike Stump <mrs@apple.com>
4049 Fix up vla, vm and [*] sematics.
4055 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4056 (c_vla_unspec_p): Add.
4057 (c_vla_type_p): Add.
4058 * c-decl.c (struct c_scope): Add had_vla_unspec.
4059 (build_array_declarator): Add support for [*].
4060 (grokdeclarator): Likewise.
4061 (grokparms): Likewise.
4062 (get_parm_info): Likewise.
4063 * c-objc-common.c (c_vla_unspec_p): Likewise.
4064 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4065 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4066 typeof when argument is a variably modified type not inside sizeof or alignof.
4067 (c_parser_direct_declarator_inner): Propagate errors.
4068 (c_parser_sizeof_expression): Add support for [*].
4069 (c_parser_parms_declarator): Initialize had_vla_unspec.
4070 (c_parser_parms_list_declarator): Likewise.
4071 * c-typeck.c (c_vla_type_p): Add.
4072 (composite_type): Add support for vla compositing.
4073 (comptypes_internal): Add support for vla compatibility.
4074 (c_expr_sizeof_expr): Evaluate vla arguments.
4075 * tree.c (variably_modified_type_p): Update comment for [*].
4077 2006-05-18 Michael Matz <matz@suse.de>
4080 * config.host: Make assignments to host_xmake_file cumulative.
4081 * config.host (*-darwin*): Test $host, not $target.
4083 2006-05-12 Stuart Hastings <stuart@apple.com>
4085 * config/i386/i386.opt (-mstackrealign): New flag.
4086 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4087 (ix86_handle_cconv_attribute): Emit error when
4088 force_align_arg_pointer attribute collides with too many regparms.
4089 (ix86_function_regparm): Limit regparms when used with
4090 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4091 Support stack-realigning prologue in non-main functions. Emit
4092 warning for nested functions under -mstackrealign, emit error for
4093 nested functions with force_align_arg_pointer attribute.
4094 * doc/extend.texi (force_align_arg_pointer): Document it.
4095 * doc/invoke.texi (-mstackrealign): Document it.
4097 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4099 PR rtl-optimization/27477
4100 * combine.c (try_combine): Don't split a parallel consisting
4101 of two sets into two individual sets if both sets reference
4104 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4106 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4107 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4109 * doc/options.texi (VarExists): Updated.
4111 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4113 * unwind-dw2.c: Add declarations for uw_update_context and
4115 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4116 detected, advance frame state and context once to skip over stub.
4118 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4122 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4123 Call rewrite_into_loop_closed_ssa only when something changed.
4124 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4125 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4126 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4127 Test for perfect_nest_p here. Fix formating.
4128 (replace_uses_equiv_to_x_with_y): Fix formating.
4129 (stmt_uses_op): Removed.
4130 (can_convert_to_perfect_nest): Removed loopivs parameter.
4131 Complete the test by checking the scalar dependences.
4132 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4135 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4138 From Dan Kegel <dank@kegel.com>:
4139 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4141 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4143 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4144 if the element type is variably modified without recursing.
4146 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4149 * tree-loop-linear.c (try_interchange_loops): Test for
4150 no data dependences.
4152 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4154 PR tree-optimization/27548
4155 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4156 range of ssa names that appear on abnormal edges.
4157 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4158 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4160 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4163 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4165 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4168 * tree.h (OMP_PARALLEL_COMBINED): Define.
4169 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4170 (new_omp_context): Add is_combined_parallel argument.
4171 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4172 new_omp_context caller.
4173 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4174 Adjust gimplify_scan_omp_clauses callers.
4175 (omp_is_private): Issue errors if iteration variable is firstprivate
4176 or reduction in the current context.
4177 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4178 on combined parallel workshare constructs.
4180 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4182 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4183 (gcc-options.o): New rule.
4185 * optc-gen.awk: Protect variables for gcc-options.o with
4186 #ifdef GCC_DRIVER/#endif.
4188 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4190 Fix PR tree-optimization/27373
4191 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4192 (forward_propagate_addr_expr): Update call.
4194 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4196 * doc/options.texi: Move the Negative option.
4198 2006-05-16 Richard Guenther <rguenther@suse.de>
4200 PR tree-optimization/22303
4201 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4203 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4204 ccp_fold did not simplify the statement.
4206 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4209 * Makefile.in (GCC_OBJS): New.
4210 (OBJS-common): Add opts-common.o.
4211 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4212 (cpp$(exeext)): Likewise.
4213 (gcc.o): Also depend on opts.h.
4214 (opts-common.o): New.
4216 * common.opt (gcoff): Add Negative(gdwarf-2).
4217 (gdwarf-2): Add Negative(gstabs).
4218 (gstabs): Add Negative(gstabs+).
4219 (gstabs+): Add Negative(gvms).
4220 (gvms): Add Negative(gxcoff).
4221 (gxcoff): Add Negative(gxcoff+).
4222 (gxcoff+): Add Negative(gcoff).
4223 * config/i386/i386.opt (m32): Add Negative(m64).
4224 (m64): Add Negative(m32).
4226 * doc/options.texi: Document the Negative option.
4228 * gcc.c: Include "opts.h".
4229 (main): Call prune_options after expandargv.
4231 * optc-gen.awk: Generate common declarations for all flag
4232 variables in options.c. Output the neg_index field.
4234 * opts.c (find_opt): Moved to ...
4235 * opts-common.c: Here. New file.
4237 * opts.h (cl_option): Add a neg_index field.
4239 (prune_options): Likewise.
4241 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4244 * omp-low.c (expand_omp_parallel): Don't assert
4245 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4246 instead search for it.
4249 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4252 2006-05-16 Andreas Schwab <schwab@suse.de>
4254 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4257 2006-05-15 Roger Sayle <roger@eyesopen.com>
4260 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4261 integer constants other than zero are only legitimate on TARGET_64BIT.
4262 <CONST_VECTOR> Only zero vectors are legitimate.
4263 (ix86_cannot_force_const_mem): Integral and vector constants can
4264 always be put in the constant pool.
4266 2006-05-16 DJ Delorie <dj@redhat.com>
4268 * crtstuff.c (__dso_handle): Set section from
4269 TARGET_LBIGCC_SDATA_SECTION if defined.
4270 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4271 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4273 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4276 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4279 2006-05-16 Ben Elliston <bje@au.ibm.com>
4281 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4283 2006-05-15 Per Bothner <per@bothner.com>
4285 * tree.c: (last_annotated_node): Use source_locus typedef.
4286 This permits bootstrapping with --enable-mapped-location.
4288 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4290 PR tree-optimization/26830
4291 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4292 (info_for_ssa_name, current_info_for_ssa_name_age,
4293 blocks_to_update): New variables.
4294 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4295 (clear_ssa_name_info, initialize_flags_in_bb,
4296 mark_block_for_update): New functions.
4297 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4298 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4299 prepare_def_site_for): Use mark_block_for_update.
4300 (mark_def_interesting): Assert that the processed block is marked in
4301 blocks_to_update. Do not take blocks argument.
4302 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4304 (rewrite_update_init_block, rewrite_update_stmt): Only process
4305 blocks with statements to rewrite.
4306 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4307 (update_ssa): Initialize and free blocks_to_update. Do not
4308 clear flags on statements. Do not use blocks bitmap.
4309 * tree.h (SSA_NAME_AUX): Removed.
4310 (struct tree_ssa_name): Removed aux field.
4311 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4313 2006-05-15 Richard Guenther <rguenther@suse.de>
4315 PR tree-optimization/27603
4316 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4317 Do computations in original type.
4319 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4321 * see.c: Code style changes such as redundant paranthesis,
4322 redundant intialization of local variables etc.
4323 (see_main): Declared now as static.
4324 * doc/invoke.texi: Update that -fsee is not enabled by
4327 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4329 * omp-low.c (check_omp_nesting_restrictions): New function.
4330 (scan_omp_1): Call it.
4333 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4334 construct, return *VAR.
4336 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4338 PR rtl-optimization/27406
4339 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4342 2006-05-14 Roger Sayle <roger@eyesopen.com>
4344 PR rtl-optimization/27538
4345 * combine.c (expand_compound_operation): Call gen_lowpart
4346 before calling simplify_shift_const.
4348 2006-05-14 Roger Sayle <roger@eyesopen.com>
4350 PR rtl-optimization/22563
4351 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4352 a fixed width bitfield, always force the intermediates into psuedos.
4354 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4357 * mkconfig.sh: Use operator = instead of == for test.
4359 2006-05-13 Nick Clifton <nickc@redhat.com>
4361 * dwarf2out.c (dbx_reg_number): Check return value from
4362 LEAF_REG_REMAP and only use it if it is valid.
4363 (multiple_reg_loc_descriptor): Likewise.
4365 2006-05-13 Richard Guenther <rguenther@suse.de>
4367 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4370 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4372 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4373 information attached to non-INSNs such as NOTEs.
4374 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4376 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4378 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4380 * config/s390/s390.md: Adjust comment describing On constraint.
4382 2006-05-11 Jan Hubicka <jh@suse.cz>
4384 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4385 to be output at -O0.
4387 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4390 * fold-const.c (size_binop): Move sanity check for arguments to
4391 the beginning of the function.
4394 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4397 2006-05-11 Richard Guenther <rguenther@suse.de>
4400 * fold-const.c (fold_unary): Handle intermediate conversion
4401 to a pointer type like intermediate conversion to an integer
4402 type in folding of (T1)(T2)var to var.
4403 Match the code to the comment in the final conversion for
4404 (T1)(T2)var to (T1)var regarding to type precision. Rather
4405 than disallow T1 being of pointer type, assert that both T1
4406 and var are of pointer type or not. Make sure not to fall
4407 over the frontends lazyness wrt array to pointer decay though.
4409 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4411 * arm.c (arm_struct_value_rtx): Delete.
4412 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4413 (arm_init_cumulative_args): Always initialize nregs to zero.
4415 2006-05-10 Richard Guenther <rguenther@suse.de>
4417 PR tree-optimization/27532
4418 * tree-object-size.c (plus_expr_object_size): Fix typo.
4420 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4423 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4424 ashrdi_const, ashrdi3): Use a scratch register.
4426 2006-05-10 Richard Guenther <rguenther@suse.de>
4428 PR tree-optimization/27302
4429 * fold-const.c (operand_equal_p): For two comparisons,
4430 try comparison of one comparison code swapped if that yields
4433 2006-05-10 Ben Elliston <bje@au.ibm.com>
4435 * tree-pretty-print.c (pretty_print_string): No need to handle
4436 '\0' as a special character.
4438 * tree.h: Include "hashtab.h".
4439 (iterative_hash_expr): Use hashval_t in its prototype.
4440 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4442 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4445 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4446 (hppa*64*-*-hpux11*): Ditto.
4447 (hppa[12]*-*-hpux11*): Ditto.
4449 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4452 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4454 2006-05-09 Michael Matz <matz@suse.de>
4456 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4457 host_extra_gcc_objs and host_xmake_file.
4458 (<*-*-linux*>): Don't overwrite host_xmake_file.
4459 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4460 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4461 (host_detect_local_cpu): Declare.
4462 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4463 * config/i386/i386.c (override_options): Handle -mtune=native
4465 * config/i386/x-i386: New file.
4466 * config/i386/driver-i386.c: New file.
4467 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4470 2006-05-09 Dirk Mueller <dmueller@suse.de>
4471 Richard Guenther <rguenther@suse.de>
4474 * fold-const.c (fold_read_from_constant_string): Relax check
4475 for matching types to matching modes.
4477 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4479 PR rtl-optimization/27335
4480 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4483 2006-05-08 Chao-ying Fu <fu@mips.com>
4484 Richard Sandiford <richard@codesourcery.com>
4486 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4487 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4488 * config/mips/mips.md (UNSPEC_SCC): New constant.
4489 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4490 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4491 (mips_emit_compare): Use it.
4492 (mips_expand_vcondv2sf): New function.
4494 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4496 Fix PR tree-optimization/27093
4497 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4498 renaming when they become not-used_alone.
4500 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4502 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4503 relocation and relocation stubs.
4505 2006-05-08 Eric Christopher <echristo@apple.com>
4507 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4510 2006-05-08 Jan Hubicka <jh@suse.cz>
4513 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4514 unused static functions are needed.
4516 2006-05-08 Roger Sayle <roger@eyesopen.com>
4519 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4520 of a reg_equiv_constant if the result is a legitimate constant.
4522 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4525 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4526 standard 80387 constants, raise the cost to prevent
4527 compress_float_constant() to generate load from memory.
4529 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4531 * config/arm/constraints.md (c): Fix a typo.
4533 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4536 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4539 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4541 (_mm_mwait): Likewise.
4543 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4545 (sse3_monitor): Make it 32bit only.
4546 (sse3_monitor64): New. 64bit monitor.
4548 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4551 * config/i386/i386.c (classify_argument): Skip fields with invalid
4554 2006-05-07 Richard Guenther <rguenther@suse.de>
4556 PR tree-optimization/27409
4557 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4558 Do not try to find zero-sized subvars.
4560 2006-05-07 Richard Guenther <rguenther@suse.de>
4562 PR tree-optimization/27136
4563 * tree-ssa-loop-niter.c (get_val_for): Correct function
4564 comment, assert requirements.
4565 (loop_niter_by_eval): Stop processing if the iterated
4566 value did not simplify.
4568 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4570 * opts.c (flag_see): remove its setting at -O3.
4572 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4574 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4575 * arm/constraints.md: New file.
4576 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4577 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4578 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4579 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4580 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4581 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4582 * arm.md: Include constraints.md.
4583 (thumb_movsi_insn): Use satisfies_constraint_J.
4584 (movhi, movqi): Use satisfies_constraint_I.
4586 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4588 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4589 for atmeg a645 device.
4591 2006-05-06 Richard Guenther <rguenther@suse.de>
4593 PR tree-optimization/27151
4594 * tree-vect-transform.c (vectorizable_condition): Punt on
4595 values that have a different type than the condition.
4597 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4600 * c-parser.c (c_parser_cast_expression): Only insert casts into
4601 hash table if pointer.
4602 * function.c (used_types_insert_helper): Rename from
4604 (used_types_insert): Call used_types_insert_helper.
4605 * function.h (used_types_insert): Accept only one argument.
4607 2006-05-05 David Edelsohn <edesohn@gnu.org>
4609 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4610 scratch with output modifier.
4612 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4615 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4616 with output modifier.
4618 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4621 * config/mips/mips.c (mips_symbolic_address_p): Return true
4622 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4623 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4625 2006-05-04 Richard Guenther <rguenther@suse.de>
4627 PR tree-optimization/14287
4628 PR tree-optimization/14844
4629 PR tree-optimization/19792
4630 PR tree-optimization/21608
4631 PR tree-optimization/27090
4632 * tree-ssa-pre.c (try_combine_conversion): New function.
4633 (compute_avail): After constructing the value-handle
4634 expression, use try_combine_conversion to combine NOP_EXPRs
4635 with previous value-handle expressions and use the result if it
4638 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4640 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4642 2006-05-04 Jan Hubicka <jh@suse.cz>
4645 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4647 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4649 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4650 that this only matches CONST_INTs. All users changed to VOIDmode
4653 * config/bfin/bfin.c: Include "optabs.h".
4654 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4656 (enum bfin_builtins): Add a number of fractional and vector builtins.
4657 (bfin_init_builtins): Likewise.
4658 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4659 (safe_vector_operand, bfin_expand_binop_builtin,
4660 bfin_expand_unop_builtin): New functions.
4661 (bfin_expand_builtin): Handle the new builtins.
4662 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4665 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4668 * Makefile.in (OBJS-common): Add see.o.
4669 (see.o): Add dependencies.
4670 * common.opt (fsee): New flag for the see optimization was added.
4671 * opts.c (flag_see): Initialized.
4672 * passes.c (init_optimization_passes, pass_see): New pass.
4673 * rtl.h (see_main): Declaration as extern.
4674 * timevar.def (TV_SEE): New.
4675 * tree-pass.h (pass_see): Declaration as extern.
4676 * invoke.texi (-fsee): Document.
4677 * recog.c (validate_simplify_insn): New function.
4678 * recog.h (validate_simplify_insn): Declaration as extern.
4679 * df-problems.c (df_chain_dump): Check for NULL.
4681 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4682 Daniel Berlin <dberlin@dberlin.org>
4684 * cfgrtl.c (insert_insn_bb_end_new): New function.
4685 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4687 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4689 * df.h (struct web_entry): Moved from web.c.
4690 (union_defs): Declaration as extern.
4691 (unionfind_root): Likewise.
4692 (unionfind_union): Likewise.
4693 * web.c (struct web_entry): Moved to df.h.
4694 (unionfind_root): Remove static declaration.
4695 (unionfind_union): Likewise.
4696 (union_defs): Likewise and generalize to use callback function.
4697 (web_main): Update arguments for union_defs function call.
4699 2006-05-04 Richard Guenther <rguenther@suse.de>
4701 PR tree-optimization/26447
4702 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4703 produce SSA_NAME copies before the store stmt to avoid
4704 breaking exception handling.
4706 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4709 * gimplify.c (omp_is_private): If var is shared in some outer context,
4710 return false instead of true. Stop searching on parallel context
4713 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4716 * coverage.c: Use get_gcov_unsigned_t() instead of
4717 unsigned_type_node all over.
4719 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4721 PR tree-optimization/27381
4722 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4723 maintain the same immediate_use links.
4724 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4725 node rather than segfaulting.
4727 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4730 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4731 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4732 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4734 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4736 Fix PR tree-optimization/26626
4737 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4739 * tree-ssa-operands.c (access_can_touch_variable): Allow
4740 typecasting through union pointers.
4742 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4745 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4746 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4747 to find if var will be a global variable even in the nested context.
4748 (omp_copy_decl): Only check for global variable at the end, it might
4749 be overridden in outer contexts.
4750 (scan_sharing_clauses): For global variables don't create a field.
4751 (lower_rec_input_clauses): Do nothing for global shared variables.
4752 Emit a barrier at the end of ILIST if there were any decls in both
4753 firstprivate and lastprivate clauses.
4754 (lower_send_clauses): Do nothing for global variables except for
4757 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4759 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4760 of the correct signedness is returned.
4762 2006-05-02 Jeff Law <law@redhat.com>
4764 PR tree-optimization/27364
4765 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4766 multiply expressions.
4768 2006-05-02 Tom Tromey <tromey@redhat.com>
4770 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4772 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4775 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4776 -mthumb -fPIC are used.
4778 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4779 Joshua Kinard <kumba@gentoo.org>
4782 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4783 with 64-bit pointers.
4785 2006-05-02 Paul Brook <paul@codesourcery.com>
4787 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4789 (create_fix_barrier): Check that a suitable barrier location is
4791 (arm_reorg): Include ftmp->address in allowable range of addresses.
4793 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4796 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4799 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4802 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4803 around RESULT_DECL for result passed by reference.
4804 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4805 * omp-low.c (use_pointer_for_field): Don't look at
4806 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4807 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4808 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4809 time or var for passing by reference for
4810 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4811 TREE_ADDRESSABLE variables when passing by reference.
4813 * omp-low.c (dump_omp_region): Fix output formatting.
4816 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4817 (expand_omp_parallel): Likewise.
4818 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4821 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4822 on statement list containing also constructors and destructors.
4823 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4826 * except.c (duplicate_eh_regions): Fix clearing of
4827 cfun->eh->region_array entries.
4829 2006-05-01 DJ Delorie <dj@redhat.com>
4831 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4833 (gcc_cv_objdump): Likewise.
4834 * configure: Regenerated.
4836 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4839 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4840 templates for case 3 and 4.
4842 2006-05-01 DJ Delorie <dj@redhat.com>
4844 * vec.c: Include bconfig.h when appropriate.
4845 * Makefile.in (build/vec.o): Adjust dependencies.
4846 * mkconfig.sh: Make sure config.h isn't used for build machine
4849 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4851 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4853 (mark_phi_for_rewrite): New function.
4854 (insert_phi_nodes_for, mark_use_interesting): Call
4855 mark_phi_for_rewrite.
4856 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4857 (update_ssa): Initialize and free phis_to_rewrite.
4859 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4861 PR rtl-optimization/27291
4862 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4863 folded to a constant.
4865 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4867 PR tree-optimization/27283
4868 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4869 not whole # of iteration descriptions.
4870 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4871 uses abnormal ssa name.
4872 (niter_for_single_dom_exit): Ditto.
4873 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4874 return just the number of iterations.
4876 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4878 PR tree-optimization/27144
4879 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4880 (record_estimate): Only record constant upper bound.
4881 (infer_loop_bounds_from_undefined): Call
4882 compute_estimated_nb_iterations just once.
4883 (proved_non_wrapping_p): Renamed to ...
4884 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4885 (convert_step_widening, scev_probably_wraps_p): Call
4886 n_of_executions_at_most instead of proved_non_wrapping_p.
4887 (substitute_in_loop_info): Do not replace values in bounds.
4888 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4891 2006-05-01 Richard Henderson <rth@redhat.com>
4894 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4895 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4898 2006-05-01 Roger Sayle <roger@eyesopen.com>
4900 * c-typeck.c (parser_build_binary_op): Don't call the function
4901 unsigned_conversion_warning to spot operand/result type overflow.
4902 (build_binary_op): Instead, call convert_and_check instead of
4903 convert to report the problem when the operands are promoted.
4904 * c-common.c (unsigned_conversion_warning): Make static.
4905 * c-common.h (unsigned_conversion_warning): Delete prototype.
4907 2006-05-01 Richard Guenther <rguenther@suse.de>
4909 PR tree-optimization/26726
4910 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4912 (find_interesting_uses_address): ... we work around here
4913 by folding INDIRECT_REFs in the substituted base.
4915 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4917 * omp-low.c (dump_omp_region): Add newlines.
4919 2006-04-30 Roger Sayle <roger@eyesopen.com>
4921 * common.opt (Woverflow): New command line option.
4922 * c-common.c (constant_expression_warning): Check warn_overflow.
4923 (overflow_waring): Pass OPT_Woverflow to warning.
4924 (unsigned_conversion_warning): Likewise.
4925 (convert_and_check): Likewise.
4926 * doc/invoke.texi: Document new command line option.
4928 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4930 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4931 TARGET_NO_FP_IN_TOC for section anchors.
4932 (optimization_options): Enable section anchors for all
4933 non-"Objective" languages.
4935 2006-04-28 Eric Christopher <echristo@apple.com>
4937 * config/darwin-c.c (darwin_ms_struct): Move this
4938 (darwin_set_default_type_attributes): and this...
4939 * config/darwin.c: ... here.
4940 * config/darwin.h (darwin_ms_struct): Declare.
4942 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4944 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4946 2006-04-28 Roger Sayle <roger@eyesopen.com>
4949 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4950 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4951 an unsigned HOST_WIDE_INT.
4952 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4954 (really_start_incremental_init): No need to call convert because
4955 bitsize_zero_node is already of type bitsizetype.
4956 (push_init_level): Extract the value of constructor_index as an
4957 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4958 (process_init_element): Likewise.
4960 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4962 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4963 value before passing to make_relative_prefix.
4965 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4968 * builtins.c (expand_builtin_memset): Expand val in original mode.
4970 2006-04-27 Eric Christopher <echristo@apple.com>
4972 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4973 with #ifndef/#endif.
4974 * config/darwin-c.c (darwin_ms_struct): New.
4975 (darwin_pragma_ms_struct): Ditto.
4976 (darwin_set_default_type_attributes): Ditto.
4977 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4978 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4979 Register ms_struct pragma.
4980 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4981 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4982 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4983 darwin_set_default_type_attributes if TARGET_MACHO.
4985 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4987 PR tree-optimization/26854
4988 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4989 * doc/tree-ssa.texi: Update immuse iterator documentation.
4990 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4991 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4992 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4993 first_safe_imm_use, next_safe_imm_use): Remove.
4994 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4995 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4996 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4997 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4998 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4999 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5000 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5001 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5002 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5003 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5004 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5005 (perfect_nestify): Use new iterator.
5006 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5008 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5009 (next_imm_name): New field in struct immediate_use_iterator_d.
5010 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5011 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5012 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5013 * tree-cfg.c (replace_uses_by): Use new iterator.
5014 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5015 * tree-ssa-operands.c (correct_use_link): Remove.
5016 (finalize_ssa_use_ops): No longer call correct_use_link.
5018 2006-04-27 Stuart Hastings <stuart@apple.com>
5020 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5021 * config/t-darwin (crt3.o): Use it.
5022 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5023 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5024 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5025 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5026 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5029 2006-04-27 Roger Sayle <roger@eyesopen.com>
5031 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5032 size, force the intermediate into a new pseudo rather instead of
5033 performing both a bitwise AND and a bitwise IOR in memory.
5035 2006-04-27 Richard Guenther <rguenther@suse.de>
5037 PR rtl-optimization/26685
5038 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5039 this one "max-flow-memory-locations".
5041 2006-04-27 Richard Guenther <rguenther@suse.de>
5043 PR tree-optimization/25148
5044 * tree-vrp.c (compare_values): Remove code dealing with
5045 comparisons against type min/max value. Honour overflow
5046 and negative constants in code dealing with comparisons
5047 of plus and minus expressions.
5048 (value_inside_range): Use fold_binary with LE_EXPR and
5049 GE_EXPR rather than compare_values.
5051 2006-04-27 Dirk Mueller <dmueller@suse.de>
5053 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5056 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5058 * basic-block.h (safe_insert_insn_on_edge): Removed.
5059 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5061 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5062 Paolo Bonzini <bonzini@gnu.org>
5065 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5066 (simplify_and_const_int): Same.
5068 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5070 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5072 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5075 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5076 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5077 cgraph_global_info_ready.
5080 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5083 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5084 either decl or init is error_mark_node.
5087 * tree-flow.h (struct omp_region): Add sched_kind.
5088 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5089 instead of extracting omp for data.
5090 (expand_omp_for): Save extracted sched_kind.
5092 2006-04-25 Roger Sayle <roger@eyesopen.com>
5094 * expmed.c (store_bit_field): Also check whether the bitsize is
5095 valid for the machine's "insv" instruction before moving the
5096 target into a pseudo for use with the insv.
5097 * config/i386/predicates.md (const8_operand): New predicate.
5098 * config/i386/i386.md (extv, extzv, insv): Use the new
5099 const8_operand predicate where appropriate.
5101 2006-04-25 DJ Delorie <dj@redhat.com>
5103 * doc/install.texi (Specific): Clarify that this is not a list of
5104 supported hosts or targets.
5106 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5108 PR rtl-optimization/26725
5109 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5110 block's BB_DIRTY flag.
5112 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5114 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5117 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5118 to print an integer.
5120 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5122 * varasm.c (align_variable): New function.
5123 (get_block_for_decl): Apply align_variable to DECL before
5124 calculating section information.
5125 (assemble_variable): Split out alignment computation.
5127 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5129 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5132 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5134 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5135 MODE_PARTIAL_INT mode.
5136 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5137 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5139 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5140 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5142 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5144 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5146 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5147 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5148 MACFLAG_IH): Likewise.
5149 (movstricthi_1): Renamed from "*movstricthi".
5150 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5151 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5152 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5153 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5154 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5155 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5156 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5157 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5158 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5159 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5160 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5161 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5162 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5163 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5164 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5166 * doc/rtl.texi (ss_ashift): Improve wording.
5168 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5170 * dwarf2out.c (verify_marks_clear): New.
5171 (prune_unused_types): Call verify_marks_clear initially, not
5174 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5176 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5177 * doc/rtl.texi: Document them.
5178 * simplify-rtx.c (simplify_unary_operation,
5179 simplify_binary_operation_1): Don't abort when we see them.
5181 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5184 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5185 * configure.ac: Completely disregard languages that are not
5187 * configure: Regenerated.
5189 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5190 Richard Guenther <rguenther@suse.de>
5192 PR tree-optimization/27236
5193 * tree-inline.c (copy_body_r): Make sure to copy
5194 TREE_THIS_VOLATILE flag.
5196 2006-04-24 Richard Guenther <rguenther@suse.de>
5199 * tree-complex.c (update_parameter_components): Don't handle
5200 unused parameters which have no default def.
5202 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5203 Richard Guenther <rguenther@suse.de>
5205 PR tree-optimization/27218
5206 * tree-inline.c (expand_call_inline): Strip useless type
5207 conversions for the return slot address.
5209 2006-04-24 Richard Guenther <rguenther@suse.de>
5211 * cfgloop.h (struct loops): Remove unused field array. Reorder
5213 (LOOP_PREFETCH): Remove.
5215 2006-04-24 Richard Guenther <rguenther@suse.de>
5217 PR tree-optimization/22525
5218 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5219 variable, adjust types of generated expressions.
5221 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5223 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5224 (tree-vect-patterns.o): Likewise.
5226 (cselib.o): Likewise.
5227 (loop-doloop.o): Likewise.
5228 (regclass.o): Likewise.
5229 (reload1.o): Likewise.
5230 (explow.o): Replace target.h with $(TARGET_H).
5231 (ipa-prop.o): Likewise.
5232 (ipa-cp.o): Likewise.
5233 (ipa-inline.o): Likewise.
5234 (reorg.o): Likewise.
5235 (reg-stack.o): Likewise.
5237 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5239 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5241 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5243 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5245 * configure.ac: Completely disregard languages that are not
5247 * configure: Regenerated.
5250 * c-common.h (c_build_bitfield_integer_type): Declare.
5251 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5252 * c-common.c (c_build_bitfield_integer_type): ... here.
5254 2006-04-23 Roger Sayle <roger@eyesopen.com>
5257 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5258 a SImode SUBREG of a floating point register after no_new_pseudos.
5260 2006-04-23 Roger Sayle <roger@eyesopen.com>
5262 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5263 identify potentially eliminable registers to additionally catch
5264 VIRTUAL_INCOMING_ARGS_REGNUM.
5265 (addsi3): Update the conditions on when to use addsi_small_int.
5267 2006-04-23 Roger Sayle <roger@eyesopen.com>
5270 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5271 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5272 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5274 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5276 * fold-const.c (range_predecessor): Use operand_equal_p
5277 as the predicate for equality.
5278 (range_successor): Likewise.
5280 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5283 * config/soft-fp/op-common.h: Fix a typo.
5285 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5288 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5289 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5291 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5293 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5295 * doc/tm.texi: Fix a typo.
5297 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5299 * dwarf2out.c (struct die_struct): Document that die_sib makes
5300 a circular linked list.
5301 (FOR_EACH_CHILD): New.
5302 (reverse_die_lists): Delete.
5303 (reverse_all_dies): Delete.
5304 (add_dwarf_attr): Correct documentation.
5305 (remove_child_with_prev): New.
5306 (remove_child_TAG): Update for change to die_struct, use
5307 remove_child_with_prev.
5308 (add_child_die): Update for change to die_struct.
5309 (splice_child_die): Use remove_child_with_prev and add_child_die.
5310 (print_die): Use FOR_EACH_CHILD.
5311 (die_checksum): Likewise.
5312 (assign_symbol_names): Likewise.
5313 (output_location_lists): Likewise.
5314 (build_abbrev_table): Likewise.
5315 (calc_die_sizes): Likewise.
5316 (mark_dies): Likewise.
5317 (unmark_dies): Likewise.
5318 (unmark_all_dies): Likewise.
5319 (output_die): Likewise.
5320 (prune_unused_types_mark): Likewise.
5321 (prune_unused_types_walk): Likewise.
5322 (same_die_p): Update for change to die_struct.
5323 (break_out_includes): Likewise.
5324 (prune_unused_types_prune): Likewise.
5325 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5326 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5328 (dwarf2out_finish): Don't call reverse_all_dies.
5330 2006-04-21 Eric Christopher <echristo@apple.com>
5332 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5333 in comments and function names.
5335 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5338 * c-typeck.c (digest_init): Robustify.
5340 * c-typeck.c (pop_init_level): Simplify.
5342 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5344 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5346 2006-04-21 Paul Brook <paul@codesourcery.com>
5348 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5349 hardware floating point.
5351 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5353 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5356 2006-04-21 Nick Clifton <nickc@redhat.com>
5358 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5361 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5364 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5365 C++ lang type in traceback table for Objective-C++.
5367 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5369 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5371 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5373 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5376 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5377 were errors. Remove check for erroneous objects.
5379 2006-04-20 Jeff Law <law@redhat.com>
5381 PR tree-optimization/26854
5382 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5383 checking for zero or one use.
5384 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5385 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5386 * tree-ssa-reassoc.c (negate_value): Similarly.
5387 (reassociate_bb): Similarly.
5389 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5391 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5392 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5393 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5395 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5397 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5398 fp regs if the last fp arg doesn't fit in regs.
5400 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5403 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5404 that the last insn has the REG_INC note.
5406 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5407 Nathan Sidwell <nathan@codesourcery.com>
5410 * stor-layout.c (update_alignment_for_field): Do not align
5412 (place_union_field): Place union field at the start of the union.
5413 (place_field): Move ERROR_MARK check later, and use the current
5414 allocation position to maintain monotonicity.
5416 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5418 * dominance.c: Include timevar.h.
5419 (calculate_dominance_info): Use TV_DOMINANCE.
5420 * timevar.def (TV_DOMINANCE): New timevar.
5421 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5423 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5425 PR rtl-optimization/14261
5426 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5427 move would be an INSV insn.
5428 (noce_process_if_block): Don't optimize if the destination is a
5429 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5431 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5433 * config/s390/s390.md: Add comments with the instructions emitted
5434 by an insn pattern if macros are used.
5436 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5438 PR rtl-optimization/26026
5439 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5440 is a known power of two shifted left a variable amount.
5442 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5444 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5445 to hash table twice when the debug_str section has SECTION_MERGE.
5447 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5449 * config/soft-fp: New directory. From glibc.
5450 * config/soft-fp/t-softfp: New.
5451 * config/soft-fp/README: New.
5452 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5453 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5454 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5455 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5456 * config.gcc: Use rs6000/t-fprules-fpbit or
5457 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5459 * config/rs6000/sfp-machine.h: New. Based on glibc.
5460 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5462 * config/rs6000/t-fprules: Remove fp-bit rules.
5463 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5464 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5465 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5466 (softfp_wrap_start, softfp_wrap_end): New.
5468 2006-04-18 DJ Delorie <dj@redhat.com>
5470 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5472 2006-04-18 Devang Patel <dpatel@apple.com>
5474 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5476 2006-04-18 Nick Clifton <nickc@redhat.com>
5478 * config/sh/t-symbian: Add rule to build sh-c.o
5479 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5480 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5481 (sh_symbian_encode_section_info): Likewise.
5483 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5485 * builtins.c (expand_builtin_strcmp): Cover label definition of
5486 do_libcall with HAVE_cmpstrnsi.
5488 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5490 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5492 * function.h (temp_slot_p): New.
5493 (function): Change the type of x_used_temp_slots to
5494 VEC(temp_slot_p,gc) *.
5496 2006-04-18 Nick Clifton <nickc@redhat.com>
5498 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5499 flag_strength_reduce.
5501 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5503 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5507 Partial revert of revision 112637
5508 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5509 Dale Johannesen <dalej@apple.com>
5512 * regclass.c (struct reg_pref): Update documentation.
5513 (regclass): Set prefclass to NO_REGS if memory is the best option.
5514 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5516 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5518 PR tree-optimization/26821
5519 * tree-ssa-math-opts.c (get_constant_one): New.
5520 (insert_reciprocals): Use it.
5522 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5524 * dwarf2out.c (free_AT): Delete.
5525 (remove_AT): Update string ref counts.
5526 (remove_child_TAG): Don't call free_die.
5528 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5529 or DW_TAG_GNU_EINCL.
5530 (prune_unused_types_walk_attribs): Reset string refcounts.
5531 (prune_unused_types_update_strings): New.
5532 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5533 call free_die. Do call prune_unused_types_update_strings.
5534 (prune_unused_types): Empty debug_str_hash.
5536 2006-04-17 Roger Sayle <roger@eyesopen.com>
5538 * expr.c (expand_assignment): Optimize away no-op moves where the
5539 source and destination are equal and have no side-effects.
5541 2006-04-17 Richard Guenther <rguenther@suse.de>
5544 * reload.c (push_reload): Guard calls to get_secondary_mem
5547 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5549 * alias.c (reg_base_value, old_reg_base_value): Change the
5550 type to VEC(rtx,gc) *.
5551 (REG_BASE_VALUE, find_base_value, record_set,
5552 init_alias_analysis): Use VEC instead of VARRAY.
5554 * alias.c (alias_sets): Change the type to
5555 VEC(alias_set_entry,gc) *.
5556 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5557 VEC instead of VARRAY.
5558 (last_alias_set): Remove.
5560 * cgraph.h (cgraph_edge_p): New.
5561 Update the prototype of cgraph_function_versioning.
5562 * cgraphunit.c (cgraph_copy_node_for_versioning,
5563 cgraph_function_versioning): Use VEC instead of VARRAY.
5564 * ipa-cp.c (ipcp_insert_stage): Likewise.
5566 2006-04-16 Roger Sayle <roger@eyesopen.com>
5569 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5570 "A op B" or "A op C", we may need to convert A to the type of B and C.
5572 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5574 * target.h (struct gcc_target): Add mode_rep_extended.
5575 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5576 (init_num_sign_bit_copies_in_rep): Initialize it using
5578 (truncate_to_mode): Use it.
5579 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5580 * targhooks.h (default_mode_rep_extended): Declare it.
5581 * targhooks.c (default_mode_rep_extended): Define it.
5582 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5583 default_mode_rep_extended.
5584 (TARGET_INITIALIZER): Include it.
5585 * doc/tm.texi (Misc): Document it.
5586 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5587 (mips_truncated_to_mode): New function.
5589 2006-04-16 Roger Sayle <roger@eyesopen.com>
5592 * expr.c (compress_float_constant): Copy the narrow constant into
5593 a new pseudo before extending it to its final width.
5595 2006-04-16 Roger Sayle <roger@eyesopen.com>
5596 Andrew Pinski <pinskia@gcc.gnu.org>
5597 Dale Johannesen <dalej@apple.com>
5600 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5601 special case code to implement V8HImode and V16QImode with SSE2.
5603 2006-04-15 Roger Sayle <roger@eyesopen.com>
5605 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5606 trees are constructed with a suitable tree type.
5608 2006-04-15 Roger Sayle <roger@eyesopen.com>
5610 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5611 (integer_onep): Likewise.
5612 (integer_all_onesp): Likewise.
5613 (integer_pow2p): Likewise.
5614 (integer_nonzerop): Likewise.
5615 (real_zerop): Likewise.
5616 (real_onep): Likewise.
5617 (real_twop): Likewise.
5618 (real_minus_onep): Likewise.
5619 (int_size_in_bytes): Likewise.
5620 (host_integerp): Likewise.
5622 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5624 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5625 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5626 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5628 * tree-ssa-structalias.h (alias_info): Remove num_references.
5630 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5632 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5633 (output_bvb patterns): Likewise.
5634 * pa.c (output_bb): Use 'bb' insn for long branch case.
5635 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5636 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5637 1. Correct length operand for alternatives 1 and 2.
5638 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5639 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5641 2006-04-14 Roger Sayle <roger@eyesopen.com>
5643 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5644 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5645 were accidentally reverted by r112959.
5647 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5650 * except.h (eh_region_outermost): New prototype.
5651 * except.c (eh_region_outermost): New function.
5652 * tree-cfg.c (find_outermost_region_in_block): Use it.
5654 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5656 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5658 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5659 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5660 (init_reload, reload): Use VEC instead of VARRAY.
5661 * reload.h: Update the prototype for
5662 reg_equiv_memory_loc_varray.
5664 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5665 Eric Botcazou <ebotcazou@libertysurf.fr>
5667 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5670 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5673 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5674 to expand fallback builtin function call.
5676 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5679 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5680 and emit libcall here in case the builtin fails.
5681 (expand_builtin_strcmp): Always emit the libcall here on failure.
5683 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5685 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5686 * flow.c (reg_n_info): Change the type to
5687 VEC(reg_info_p,heap) *.
5688 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5690 * regs.h (reg_info_p): New.
5691 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5692 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5693 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5696 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5698 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5700 * params.h (MAX_SCHED_READY_INSNS): New macro.
5701 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5702 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5703 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5704 the ready list for 1 cycle during the first scheduling pass.
5705 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5707 2006-04-13 Richard Henderson <rth@redhat.com>
5710 * gimple-low.c (lower_omp_directive): Remove dead code.
5711 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5712 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5713 * omp-low.c (struct omp_region): Move to tree-flow.h.
5714 (root_omp_region): Export.
5715 (omp_regions, lookup_omp_region): Remove.
5716 (determine_parallel_type): Update for struct omp_region changes.
5717 (dump_omp_region): Dump regions with block numbers.
5718 (new_omp_region): Take type and block instead of stmt; malloc
5720 (free_omp_region_1, free_omp_regions): New.
5721 (expand_parallel_call): Take entry_stmt as argument; update for
5722 changes to omp_region.
5723 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5724 (remove_exit_barriers): New.
5725 (expand_omp_parallel): Update for struct omp_region changes.
5726 (expand_omp_synch): Likewise.
5727 (expand_omp): Likewise.
5728 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5729 (expand_omp_for_static_chunk): Likewise.
5730 (expand_omp_for): Likewise.
5731 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5732 (expand_omp_sections): Similarly, with GOMP_sections_end.
5733 (expand_omp_single): New.
5734 (build_omp_regions_1): Update for OMP_CONTINUE.
5735 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5736 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5737 OMP_SECTIONS_SECTIONS.
5738 (lower_omp_single_simple): Don't emit barrier here.
5739 (lower_omp_single_copy): Likewise.
5740 (lower_omp_single): Fix bindings, and lower to straightline now.
5741 (lower_omp_master, lower_omp_ordered): Likewise.
5742 (lower_omp_critical): Likewise.
5743 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5744 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5745 omp edges, free it afterward.
5746 (make_omp_sections_edges): Remove.
5747 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5748 (move_stmt_r): Handle OMP_CONTINUE.
5749 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5750 statement pointers to basic blocks. Add type member.
5751 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5752 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5753 * tree-inline.c (estimate_num_insns_1): Likewise.
5754 * tree-pretty-print.c (dump_generic_node): Likewise.
5755 * tree-ssa-operands.c (get_expr_operands): Likewise.
5756 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5757 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5758 (OMP_CONTINUE): New.
5759 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5760 (OMP_SECTIONS_SECTIONS): Remove.
5761 (OMP_SECTION_LAST): New.
5762 (OMP_RETURN_NOWAIT): New.
5764 2006-04-13 Roger Sayle <roger@eyesopen.com>
5766 * fold-const.c (native_encode_vector, native_interpret_real):
5767 Correct obvious mistakes in the previous check-in.
5769 2006-04-13 Roger Sayle <roger@eyesopen.com>
5771 * fold-const.c (native_encode_expr): New function to encode
5772 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5773 or VECTOR_CST into a specified buffer.
5774 (native_encode_int): New function.
5775 (native_encode_real): New function.
5776 (native_encode_complex): New function.
5777 (native_encode_vector): New function.
5778 (native_interpret_expr): Inverse of native_encode_expr to convert
5779 a target representation into an INTEGER_CST, REAL_CST etc...
5780 (native_interpret_int): New function.
5781 (native_interpret_real): New function.
5782 (native_interpret_complex): New function.
5783 (native_interpret_vector): New function.
5784 (fold_view_convert_expr): New function to constant fold/evaluate
5785 a VIEW_CONVERT_EXPR of a suitable constant expression.
5786 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5787 Change call of build1 to fold_build1 when constructing a
5790 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5791 Ulrich Weigand <uweigand@de.ibm.com>
5794 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5797 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5800 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5801 optimize to lo_sum for DFmode if !TARGET_FPRS.
5803 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5805 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5806 delete_alias_info, compute_flow_sensitive_aliasing,
5807 group_aliases): Use VEC instead of VARRAY.
5808 * tree-ssa-structalias.c (update_alias_info): Likewise.
5809 * tree-ssa-structalias.h (alias_info): Change the type of
5810 processed_ptrs to VEC(tree,heap) *.
5812 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5815 * config/sh/lib1funcs.h: New file, broken out of:
5816 * config/sh/lib1funcs.asm.
5817 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5819 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5820 * config/sh/lib1funcs-Os-4-200.asm: New file.
5821 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5822 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5823 (EXTRA_MULTILIB_PARTS): Include it.
5824 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5825 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5826 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5827 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5830 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5832 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5833 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5834 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5836 * tree-ssa-live.h: Include vecprim.h.
5837 (tree_partition_associator_d): Change the type of
5838 first_partition to VEC(int,heap) *.
5839 (tpa_first_partition): Use VEC instead of VARRAY.
5841 * Makefile.in (GTFILES): Move functions.h after tree.h.
5842 * function.c (reset_block_changes, record_block_change,
5843 check_block_change, free_block_changes): Use VEC instead of
5845 * function.h (function): Change the type of
5846 ib_boundaries_block to VEC(tree,gc) *.
5847 * tree-inline.c (copy_cfg_body): Initialize
5848 ib_boundaries_block to NULL instead of (varray_type) 0.
5850 2006-04-12 Roger Sayle <roger@eyesopen.com>
5852 * expr.c (emit_group_store): Correct operand order in call to
5853 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5854 a SUBREG_BYTE of zero.
5856 2006-04-12 Richard Guenther <rguenther@suse.de>
5858 * profile.c (compute_branch_probabilities): Remove code
5859 encapsulated in !ir_type (), which are remanents of the
5860 removed RTL profiling code.
5861 * rtl-profile.c: Remove.
5863 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5865 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5866 magic NULL_RTX comment.
5867 (function_arg): Store entire fp arg to mem if any part should go
5869 (rs6000_arg_partial_bytes): Adjust for above change.
5871 2006-04-11 Roger Sayle <roger@eyesopen.com>
5873 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5874 if it hasn't been initialized by dwarf2out_init.
5876 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5878 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5879 symbolic constants in branch patterns.
5881 2006-04-11 Roger Sayle <roger@eyesopen.com>
5883 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5885 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5887 PR rtl-optimization/27073
5888 * gcse.c (try_replace_reg): Revert last change. Continue to search
5889 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5892 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5894 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5895 aggregate types other than record and union types.
5896 (function_arg): Likewise.
5897 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5899 (function_value): In 64-bit mode, return objects that require it
5902 2006-04-11 Roger Sayle <roger@eyesopen.com>
5904 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5906 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5908 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5910 2006-04-03 Jeff Law <law@redhat.com>
5913 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5914 alias information too.
5916 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5918 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5920 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5923 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5924 (premark_used_types_helper): New.
5925 (premark_used_types): New.
5926 (gen_subprogram_die): Call premark_used_types.
5927 (prune_unused_types_walk): Do not prune perennial dies.
5928 * function.c (used_types_insert): New.
5929 * function.h (struct function): Add used_types_hash field.
5930 (used_types_insert): Add prototype.
5931 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5932 * c-parser.c (c_parser_cast_expression): Save casted types in used
5935 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5938 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5939 rs6000_explicit_options.float_gprs.
5941 2006-04-10 Roger Sayle <roger@eyesopen.com>
5943 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5944 from ix86_expand_vector_init_low_nonzero. Take an additional
5945 one_var argument indicating which element is non-zero. Support
5946 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5947 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5948 with one_var instead of ix86_expand_vector_init_low_nonzero.
5950 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5952 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5953 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5954 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5955 build/genextract.o): Depend on vecprim.h.
5956 * cfglayout.c, df-problems.c, function.c, genextract.c,
5957 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5958 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5962 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5964 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5965 Declare VECs of this type.
5966 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5967 (remove_children): Delete.
5968 (add_dwarf_attr): Use VEC routines.
5969 (add_AT_flag): Update for changes to add_dwarf_attr.
5970 (add_AT_int): Likewise.
5971 (add_AT_unsigned): Likewise.
5972 (add_AT_long_long): Likewise.
5973 (add_AT_vec): Likewise.
5974 (add_AT_string): Likewise.
5975 (add_AT_die_ref): Likewise.
5976 (add_AT_fde_ref): Likewise.
5977 (add_AT_loc): Likewise.
5978 (add_AT_loc_list): Likewise.
5979 (add_AT_addr): Likewise.
5980 (add_AT_lbl_id): Likewise.
5981 (add_AT_lineptr): Likewise.
5982 (add_AT_macptr): Likewise.
5983 (add_AT_offset): Likewise.
5984 (add_AT_range_list): Likewise.
5985 (get_AT): Use VEC_iterate.
5986 (remove_AT): Use VEC_ordered_remove.
5987 (free_die): Fold remove_children into here; have it use VEC_iterate.
5988 (print_die): Use VEC_iterate on attrs.
5989 (reverse_die_lists): Don't reverse attr lists.
5990 (die_checksum): Use VEC_iterate on attrs.
5991 (same_die_p): Likewise.
5992 (output_location_lists): Likewise.
5993 (build_abbrev_table): Likewise.
5994 (size_of_die): Likewise.
5995 (unmark_all_dies): Likewise.
5996 (output_abbrev_section): Likewise.
5997 (output_die): Likewise.
5998 (prune_unused_types_walk_attribs): Likewise.
6000 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6002 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6004 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6007 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6009 2006-04-09 Roger Sayle <roger@eyesopen.com>
6011 * expr.c (store_constructor): Don't bother clearing target if
6012 we're about to assign a vector to it using vec_init_optab.
6014 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6016 * tree-ssa-alias.c (lhs_may_store_to): New function.
6017 (recalculate_used_alone): Handle LHS of calls.
6019 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6023 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6024 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6025 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6026 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6027 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6028 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6029 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6030 stubs. Add ".align 8" directives before all ".dword" directives.
6031 (GTHREAD_USE_WEAK): Revise comment.
6032 (TARGET_ATTRIBUTE_WEAK): Define.
6033 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6034 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6035 * stublib.c: New file.
6040 * pa.md (cbranch patterns): Revise arguments used in calls to
6041 output_cbranch, output_bb and output_bvd. Add long branch length
6043 (fbranch patterns): Handle long branches.
6044 (jump): Revise length check. Revise arguments for output_lbranch call.
6045 Add long branch length attributes.
6046 (decrement_and_branch_until_zero): Add long branch length attributes.
6047 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6048 Likewise. Revise arguments for output_parallel_addb and
6049 output_parallel_movb calls.
6050 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6051 output_parallel_movb and output_parallel_addb): Update prototypes.
6052 * pa.c (output_cbranch): Revise arguments. Correct handling of
6053 nullification in long branches.
6054 (output_lbranch): Add new argument to control extraction of delay
6056 (output_bb): Handle long branches.
6057 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6058 output_parallel_addb): Likewise.
6060 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6062 PR rtl-optimization/27073
6063 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6066 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6068 * tree.h (tree_memory_tag): Add old_used_alone.
6069 (SMT_OLD_USED_ALONE): New macro.
6070 * tree-ssa-alias.c (recalculate_used_alone): Stop
6071 marking things for renaming unnecessarily.
6073 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6075 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6076 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6077 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6078 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6079 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6080 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6081 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6082 spelling convensions.
6083 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6084 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6085 typos. Follow spelling conventions.
6087 2006-04-07 DJ Delorie <dj@redhat.com>
6089 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6090 passed on the stack.
6091 (m32c_init_cumulative_args): When a function returns a structure,
6092 always pass the pointer to that return area on the stack.
6093 (m32c_function_arg_advance): Don't increment the parameter number
6094 if we're processing the returned structure pointer.
6095 (pushm_info): Reverse order of registers.
6097 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6099 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6100 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6101 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6102 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6104 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6105 chrec_fold_multiply): Same.
6106 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6107 force_expr_to_var_cost): Same.
6108 * tree-mudflap.c (mf_xform_derefs_1): Same.
6109 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6111 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6113 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6114 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6117 2006-04-07 Jan Hubicka <jh@suse.cz>
6119 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6121 2006-04-07 Richard Guenther <rguenther@suse.de>
6123 PR tree-optimization/26135
6124 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6125 loads for store copy-prop.
6126 (copy_prop_visit_stmt): Likewise.
6128 2006-04-05 Robert Millan <robertmh@gnu.org>
6130 * config/i386/linux.h: Add a comment to mark macros that are
6131 being overriden in config/k*bsd-gnu.h.
6132 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6134 * config/knetbsd-gnu.h: Ditto.
6136 2006-04-06 Jan Hubicka <jh@suse.cz>
6140 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6143 2006-04-06 Mike Stump <mrs@apple.com>
6145 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6146 for HAVE_nonlocal_goto to be consistent.
6147 (expand_builtin_nonlocal_goto): Likewise.
6148 (expand_builtin_strcmp): Use #ifdef instead of #if
6149 for HAVE_cmpstrnsi to be consistent.
6151 2006-04-05 DJ Delorie <dj@redhat.com>
6153 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6156 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6158 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6159 got-relative addressing for anything but SImode.
6161 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6162 even if the calling function doesn't modify them.
6164 2006-04-05 Richard Guenther <rguenther@suse.de>
6166 PR tree-optimization/26919
6167 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6168 to cgraph_estimate_size_after_inlining.
6170 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6172 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6174 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6176 PR tree-optimization/26996
6177 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6178 VECTOR_TYPE variables.
6180 2006-04-05 Richard Guenther <rguenther@suse.de>
6182 PR tree-optimization/26763
6183 * fold-const.c (fold_comparison): Move folding of
6184 PTR + CST CMP PTR + CST ...
6185 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6187 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6189 * doc/install.texi (Prerequisites): Refine some wording on
6190 bootstrapping and ksh.
6191 Move the version numbers of DejaGnu here from the testing section
6192 and fix casing of names.
6193 Fix markup and clarify wording for autogen requirements.
6194 Refer to GCJ instead of just java.
6195 Refer to SVN instead of CVS.
6196 Describe diffutils as useful instead of necessary.
6197 (Downloading the source): Refer to SVN instead of CVS.
6198 Adjust a link to our web site accordingly.
6199 (Configuration): Fix casing of Bison.
6200 (Building): Refer to SVN instead of CVS.
6201 Fix a sentence on the use of Bison and remove duplicate (and
6202 incorrect) version number of Bison requirement.
6203 Remove one redundant list of packages needed for building.
6204 (Specific): Avoid reference to CVS.
6206 2006-04-04 Eric Christopher <echristo@apple.com>
6208 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6209 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6210 (rs6000_handle_struct_attribute): New.
6211 (rs6000_ms_bitfield_layout_p): Ditto.
6213 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6215 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6216 NULL for dso parameter to atexit_common.
6218 2006-04-04 Eric Christopher <echristo@apple.com>
6220 * config/i386/i386.c (machopic_output_stub): Output \t
6221 between instructions and operands.
6223 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6225 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6226 satisfies_constraint_[IL] to explicit tests on value.
6228 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6230 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6231 set_nb_iterations_in_loop): Use build_int_cst instead of
6233 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6234 build_int_cst instead of convert.
6236 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6238 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6239 new value 2 for incoming.
6240 * function.c (expand_function_start): Call struct_value_rtx
6242 * config/sparc/sparc.md: Comment updated_return.
6243 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6244 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6245 struct return if sparc_std_struct_return and incoming is 2.
6246 (print_operand): Do not adjust return if
6247 sparc_std_struct_return.
6249 2006-04-04 Roger Sayle <roger@eyesopen.com>
6251 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6252 convert in the middle-end.
6253 * expr.c (store_expr, store_constructor, get_inner_reference,
6254 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6256 * tree.c (build_range_type): Likewise.
6258 2006-04-04 Tom Tromey <tromey@redhat.com>
6260 * doc/install.texi (Prerequisites): Mention jar.
6262 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6264 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6267 2006-04-04 Matthias Klose <doko@debian.org>
6269 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6270 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6273 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6275 * doc/extend.texi (Function Attributes): Rewrite visibility
6276 attribute documentation.
6277 * doc/invoke.texi (C++ Dialect Options): Rewrite
6278 -fvisibility-inlines-hidden documentation to describe something
6279 entirely different, although in practise compatible.
6280 (Code Gen Options): Warn about system headers in -fvisibility=
6283 * doc/extend.texi (Other Builtins): Document that
6284 __builtin_nan is a compile-time constant only when its argument
6287 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6289 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6290 trying to remove TRUNCATE check if all bits outside the new mode
6291 are identical to the sign bit.
6293 2006-04-03 Jeff Law <law@redhat.com>
6295 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6296 and operand scanning in some common cases.
6298 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6299 Dale Johannesen <dalej@apple.com>
6302 * regclass.c (struct reg_pref): Update documentation.
6303 (regclass): Set prefclass to NO_REGS if memory is the best option.
6304 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6305 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6306 into account. For non-registers, equate an empty preferred
6307 reload class to a `!' in the constraint; move the if clause to
6308 do so after those that reject the insn.
6309 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6311 (find_dummy_reload): Likewise.
6312 * doc/tm.texi (Register Classes): Document what it means
6313 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6314 * config/i386/i386.c (ix86_preferred_reload_class): Force
6315 using SSE registers (and return NO_REGS for floating-point
6316 constants) if math is done with SSE.
6317 (ix86_preferred_output_reload_class): New.
6318 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6319 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6320 * config/i386/i386.md: Remove # register preferences.
6322 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6325 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6326 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6327 the type of nb_iter.
6328 (instantiate_parameters_1): Convert the operands before calling
6329 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6330 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6332 2006-04-02 Roger Sayle <roger@eyesopen.com>
6334 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6335 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6337 * dojump.c (do_jump): Likewise.
6338 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6339 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6340 gimplify_boolean_expr): Likewise.
6341 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6342 * varasm.c (array_size_for_constructor): Likewise.
6343 * tree-object-size.c (compute_object_offset): Likewise.
6345 2006-04-02 Roger Sayle <roger@eyesopen.com>
6348 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6349 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6351 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6353 PR tree-optimization/26939
6354 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6356 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6358 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6359 at_stmt. Convert the type of operands before calling
6360 build_polynomial_chrec.
6361 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6363 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6364 (instantiate_parameters_1): Convert the type of operands before calling
6365 build_polynomial_chrec.
6366 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6367 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6368 reset_evolution_in_loop): Insert asserts to check the types of the
6370 (chrec_type): Moved...
6371 (eq_evolutions_p): Use operand_equal_p.
6372 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6373 the types of the operands.
6374 (chrec_type): ...here.
6375 * tree-data-ref.c (create_data_ref): Convert the operands before
6376 calling chrec_replace_initial_condition.
6377 (same_access_functions, analyze_subscript_affine_affine,
6378 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6379 (compute_subscript_distance, analyze_ziv_subscript,
6380 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6381 analyze_miv_subscript): Convert the operands before calling
6382 chrec_fold_minus or chrec_fold_plus.
6384 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6386 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6387 the dependence_relations vector.
6388 (compute_data_dependences_for_loop): Adjust call to
6389 compute_all_dependences.
6391 2006-04-01 Roger Sayle <roger@eyesopen.com>
6392 Richard Henderson <rth@redhat.com>
6394 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6395 gimple_boolify on the condition before calling gimplify_expr.
6397 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6399 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6400 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6401 the frame size. Update to use the new macros.
6402 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6403 * config/xtensa/ieee754-df.S: Likewise.
6405 2006-03-31 Richard Henderson <rth@redhat.com>
6407 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6408 (make_edges): ... here. Control fallthru creation with a local
6409 variable. Do not play with fake edges.
6410 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6411 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6414 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6416 * dwarf2.h (DW64_CIE_ID): Define.
6417 * dwarf2out.c (DWARF_CIE_ID): Define.
6418 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6419 length header. Use DWARF_CIE_ID.
6420 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6421 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6423 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6425 * config/sh/linux-atomic.asm: New file.
6426 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6428 2006-03-31 DJ Delorie <dj@redhat.com>
6430 * config/m32c/cond.md: Set condition flags properly throughout.
6431 * config/m32c/minmax.md: Likewise.
6432 * config/m32c/prologue.md: Likewise.
6433 * config/m32c/bitops.md: Likewise.
6434 * config/m32c/muldiv.md: Likewise.
6435 * config/m32c/mov.md: Likewise.
6436 * config/m32c/addsub.md: Likewise.
6437 * config/m32c/m32c.md: Likewise.
6438 * config/m32c/jump.md: Likewise.
6439 * config/m32c/shift.md: Likewise.
6441 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6442 conditionally output the pattern for this.
6443 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6444 (m32c_compare_redundant): New.
6445 (m32c_output_compare): New.
6446 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6448 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6449 dest, not src. Allow other 4-byte modes.
6451 2006-03-30 Denis Chertykov <denisc@overta.ru>
6453 * doc/md.texi: Refer to avr/constraints.md instead of
6456 2006-03-30 Roger Sayle <roger@eyesopen.com>
6458 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6459 signed vs. unsigned comparison failures on some hosts.
6461 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6464 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6465 change to FLOAT_REGS.
6467 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6468 (rs6000_override_options): Use it.
6469 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6470 only for -mabi=spe/no-spe and -mabi=altivec.
6472 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6474 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6477 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6479 * Makefile.in: Rename docdir to gcc_docdir.
6481 2006-03-30 Roger Sayle <roger@eyesopen.com>
6484 * expr.c (emit_group_store): Optimize group stores into a pseudo
6485 register by using a paradoxical subreg to initialize the destination
6486 if the first or last member of the group specifies a "low part".
6488 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6491 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6492 * target.h (struct gcc_target.speculate_insn): Change type of the
6493 second parameter to 'int'.
6494 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6495 the second operand of the DEPS_LIST.
6496 (copy_DEPS_LIST_list): Update reference to the second operand of the
6498 * rtl.h (alloc_DEPS_LIST): Update signature.
6499 * sched-int.h (ds_t): Change typedef to 'int'.
6500 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6502 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6504 * haifa-sched.c (try_ready): Change condition to restore
6505 non-speculative pattern of the instruction.
6506 (process_insn_depend_be_in_spec): Code to keep probability of the
6507 speculative dependence non-decreasing.
6509 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6511 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6512 (single_move_for_movmem): ... this. Also change all uses.
6513 (bfin_expand_strmov): Renamed to...
6514 (bfin_expand_movmem): ... this. Also change all uses.
6515 * config/bfin/bfin.md (movstrsi): Renamed to...
6516 (movstrsi): ...this.
6518 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6520 PR tree-optimization/26830
6522 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6523 (copy_prop_visit_stmt): Remove write-only variable ann.
6524 (init_copy_prop): Check variable loop depth here. Do not simulate
6525 memory-tag and virtual operand PHIs except for store copy prop.
6527 2006-03-30 Richard Guenther <rguenther@suse.de>
6529 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6530 variants with double arguments.
6532 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6534 * genpreds.c (write_tm_constrs_h): Delete variable p.
6535 * genconditions.c (write_header): Add tm-constrs.h to included
6537 * genpeep.c (main): Add toplev.h to included headers.
6538 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6539 (build/genpeep.o): Add toplev.h dependency.
6540 * config/rs6000/constraints.md: Add "W" constraint.
6542 2006-03-29 Roger Sayle <roger@eyesopen.com>
6544 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6545 sizes by correctly testing whether the size fits a host integer.
6546 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6547 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6548 SImode range for the default sizetype and bitsizetype.
6550 2006-03-29 Roger Sayle <roger@eyesopen.com>
6552 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6553 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6554 quickly if the argument is already of the correct type.
6555 Call fold_build1 instead of build1. Tidy up blank lines.
6557 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6559 * genemit.c (main): Add tm-constrs.h to included headers.
6560 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6561 * genpeep.c (main): Add tm-constrs.h to included headers.
6562 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6563 (write_tm_constrs_h): this and write complete file.
6564 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6565 (write_insn_preds_c): Add tm-constrs.h to included headers.
6566 (gen_constrs): New variable.
6567 (parse_option): Parse "-c".
6568 (main): Invoke write_tm_constrs_h.
6569 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6570 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6571 (object_out_file): Add tm-constrs.h dependency.
6572 (insn-emit.o): Same.
6573 (insn-output.o): Same.
6574 (insn-peep.o): Same.
6575 (insn-preds.o): Same.
6576 (insn-recog.o): Same.
6577 (tm-constsr.h): New target.
6578 (s-constrs-h): New target.
6580 * config/rs6000/constraints.md: New file.
6581 * config/rs6000/rs6000.c: Include tm-constrs.h.
6582 (num_insn_constant_wide): Convert to satisfies_constraint.
6583 (rs6000_rtx_costs): Convert to satisfies_constraint.
6584 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6585 (CONST_OK_FOR_LETTER_P): Delete.
6586 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6587 (EXTRA_CONSTRAINT): Delete.
6588 (EXTRA_MEMORY_CONSTRAINT): Delete.
6589 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6590 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6591 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6592 satisfies_constraint.
6594 * config/i386/i386.c: Include tm-constrs.h.
6596 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6598 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6599 * tree-data-ref.c (find_data_references_in_loop,
6600 compute_data_dependences_for_loop): Use pointers to VEC.
6601 (analyze_all_data_dependences): Adjust calls.
6602 * tree-data-ref.h (find_data_references_in_loop,
6603 compute_data_dependences_for_loop): Adjust declarations.
6604 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6605 compute_data_dependences_for_loop.
6607 2006-03-29 Paul Brook <paul@codesourcery.com>
6609 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6612 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6614 PR tree-optimization/26859
6615 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6617 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6618 for the step after fold_convert.
6620 2006-03-29 Paul Brook <paul@codesourcery.com>
6622 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6623 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6625 2006-03-29 Paul Brook <paul@codesourcery.com>
6628 * targhooks.c (default_narrow_bitfield): New fuction.
6629 * targhooks.h (default_narrow_bitfield): add prototype.
6630 * target.h (gcc_target): Add narrow_volatile_bitfield.
6631 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6632 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6633 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6634 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6636 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6638 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6640 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6641 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6642 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6643 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6644 (s390_function_arg_float): Allow SDmode and DDmode values to be
6645 passed in floating point registers.
6646 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6647 check with SCALAR_FLOAT_MODE_P.
6648 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6650 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6652 PR tree-optimization/25985
6653 * tree-ssa-loop-niter.c (number_of_iterations_le,
6654 number_of_iterations_ne): Make comments more precise.
6655 (number_of_iterations_cond): Add only_exit argument. Use the
6656 fact that signed variables do not overflow only when only_exit
6658 (loop_only_exit_p): New.
6659 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6660 number_of_iterations_cond.
6662 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6664 PR tree-optimization/26643
6665 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6668 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6670 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6671 (divsi3_i4_int): Likewise.
6673 2006-03-28 Roger Sayle <roger@eyesopen.com>
6675 * expr.c (emit_group_store): Only create a new pseudo reg if the
6676 quantity it needs to hold isn't already a suitable pseudo.
6678 2006-03-28 Jeff Law <law@redhat.com>
6680 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6681 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6683 2006-03-28 Roger Sayle <roger@eyesopen.com>
6685 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6686 the equivalent ~X & Y, and the symmetry related transformations.
6687 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6688 ~X & Y, and symmetry related transforms.
6690 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6692 Revert my 2006-03-27 patches.
6694 2006-03-28 Roger Sayle <roger@eyesopen.com>
6696 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6697 ~(T1)X, when T1 and T2 are integer types of the same precision
6698 and (T2)X isn't an extension.
6700 2006-03-28 Jeff Law <law@redhat.com>
6702 PR tree-optimization/26796
6703 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6704 need EH edge cleanups rather than purging them immediately.
6705 (eliminate_degenerate_phis): Handle queued EH cleanups.
6707 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6709 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6712 2006-03-27 Roger Sayle <roger@eyesopen.com>
6715 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6716 cast BIT_NOT_EXPR operand to the correct type.
6718 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6720 * tree-loop-linear.c: Don't include varray.h.
6721 (gather_interchange_stats, try_interchange_loops,
6722 linear_transform_loops): Use VEC instead of VARRAY.
6723 * lambda-mat.c: Don't include varray.h.
6724 * tree-chrec.c: Same.
6725 * lambda-trans.c: Same.
6726 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6727 VEC instead of VARRAY.
6728 * tree-vectorizer.h: Idem.
6729 * tree-data-ref.c (dump_data_references,
6730 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6731 initialize_data_dependence_relation, finalize_ddr_dependent,
6732 compute_all_dependences, find_data_references_in_loop,
6733 compute_data_dependences_for_loop, analyze_all_data_dependences,
6734 free_dependence_relation, free_dependence_relations,
6735 free_data_refs): Idem.
6736 * tree-data-ref.h (data_reference_p, subscript_p): New.
6737 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6738 VEC instead of VARRAY.
6739 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6740 (find_data_references_in_loop, compute_data_dependences_for_loop,
6741 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6742 dump_data_dependence_relations, free_dependence_relations,
6743 free_data_refs): Adjust declaration.
6744 (lambda_transform_legal_p): Move declaration here...
6745 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6746 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6747 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6748 vect_analyze_data_refs): Use VEC instead of VARRAY.
6749 * lambda.h (lambda_transform_legal_p): ...from here.
6750 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6751 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6752 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6753 tree-chrec.o): Don't depend on VARRAY_H.
6755 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6757 * rtl.def (Copyright): Update date.
6758 (DEPS_LIST): Change type of the second operand to 'int'.
6759 * target.h (Copyright): Update date.
6760 (struct gcc_target.speculate_insn): Change type of the second parameter
6762 * lists.c (Copyright): Update date.
6763 (alloc_DEPS_LIST): Change signature. Update reference to the second
6764 operand of the DEPS_LIST.
6765 (copy_DEPS_LIST_list): Update reference to the second operand of the
6767 * rtl.h (Copyright): Update date.
6768 (alloc_DEPS_LIST): Update signature.
6769 * sched-int.h (Copyright): Update date.
6770 (ds_t): Change typedef to 'int'.
6771 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6773 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6775 * haifa-sched.c (Copyright): Update date.
6776 (try_ready): Change condition to restore non-speculative pattern
6778 (process_insn_depend_be_in_spec): Code to keep probability of the
6779 speculative dependence non-decreasing.
6781 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6783 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6784 shut up the compiler.
6786 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6788 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6789 to use lib prefix for target.
6790 ($(T)libic_invalidate_array_4-200.a): Likewise.
6791 ($(T)libic_invalidate_array_4a.a): Likewise.
6793 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6794 J"orn Rennecke <joern.rennecke@st.com>
6796 * superh.opt: New file.
6797 * sh.c (boardtype, osruntime): Remove.
6798 * superh.h (SUBTARGET_OPTIONS): Remove.
6799 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6801 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6802 arguments with ^ and/or [].
6804 * config.gcc (sh-*-*): Add quoting to account for quirk of
6806 Replace == with = in enable_incomplete_targets test.
6808 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6809 with MASK_LITTLE_ENDIAN.
6811 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6812 * config/sh/sh.opt: Added to some comments.
6813 * config/sh/superh.h: Removed some chaff.
6815 * config/sh/sh.opt: Add m4-[1234]00* options.
6816 * config/sh/sh.c (sh_handle_option): Likewise.
6817 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6818 (ic_invalidate_array_4-100.o): New rule.
6819 ($(T)libic_invalidate_array_4-100.a): Likewise.
6820 (ic_invalidate_array_4-200.o): Likewise.
6821 ($(T)libic_invalidate_array_4-200.a): Likewise.
6822 (ic_invalidate_array_4a.o): Likewise.
6823 ($(T)libic_invalidate_array_4a.a): Likewise.
6824 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6825 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6827 * config/sh/crt1.asm: Merged in profiling code.
6828 * config/sh/superh.h (STARTFILE_SPEC): Override.
6829 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6830 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6831 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6833 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6834 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6835 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6837 * sh.opt (mpretend-cmove): New option.
6838 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6839 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6840 (movsicc): Add TARGET_PRETEND_CMOVE code.
6842 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6844 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6845 s390_class_max_nregs): New function prototypes.
6846 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6847 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6848 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6849 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6851 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6853 * dwarf2out.c (add_location_or_const_value_attribute): Call
6854 tree_add_const_value_attribute if nothing else works.
6855 (reference_to_unused): New.
6856 (rtl_for_decl_init): Use reference_to_unused to decide whether
6857 to output an initializer.
6859 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6862 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6863 peephole removing spe frob_di_df_2.
6865 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6867 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6868 (subscript_dependence_tester_1): Declared.
6869 (print_dir_vectors, print_dist_vectors): New.
6870 (debug_data_dependence_relation): New.
6871 (dump_data_dependence_relation): Print more details.
6872 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6873 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6874 (save_dist_v, save_dir_v, add_outer_distances,
6875 build_classic_dist_vector_1): New.
6876 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6877 Don't test for lambda_vector_lexico_pos.
6878 (same_access_functions, add_multivariate_self_dist,
6879 add_other_self_distances, dir_from_dist): New.
6880 (build_classic_dir_vector): Replace implementation almost identical to
6881 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6883 (subscript_dependence_tester_1): New.
6884 (subscript_dependence_tester): Handle the lexicographically negative
6885 distance vectors by recomputing the dependence relation.
6886 (compute_affine_dependence): Remove parameter loop_nest_depth.
6887 (compute_self_dependence): Don't call compute_subscript_distance.
6888 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6889 Add a parameter for the loop_nest.
6890 (find_loop_nest_1, find_loop_nest): New.
6891 (compute_data_dependences_for_loop): Compute the loop nest, and give
6892 up if the nest is not well formed.
6893 * tree-data-ref.h (loop_p): New.
6894 (struct data_dependence_relation): Replace size_vect field with
6895 loop_nest, a vec of loops.
6896 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6897 (DDR_LOOP_NEST): New.
6898 (print_dir_vectors, print_dist_vectors,
6899 debug_data_dependence_relation): Declared.
6900 (index_in_loop_nest): New.
6901 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6902 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6905 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6907 * simplify-rtx.c (simplify_relational_operation): Call
6908 simplify_relational_operation_1 even if mode is VOIDmode.
6910 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6912 PR tree-optimization/26804
6913 * tree.h (DECL_CALL_CLOBBERED): New macro.
6914 (tree_decl_common): Add call_clobbered_flag.
6915 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6916 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6917 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6918 (mark_non_addressable): Ditto.
6919 * tree-ssa.c (verify_call_clobbered): New function.
6920 (verify_alias_info): Use it.
6921 * tree-pass.h (pass_reset_cc_flags): New prototype.
6922 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6923 (reset_cc_flags): New function.
6924 * passes.c (init_optimization_passes): Call reset_cc_flags after
6925 initializing referenced_vars.
6927 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6928 Roger Sayle <roger@eyesopen.com>
6931 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6932 to 1.0 for non-real operands. Implement A / A optimization for
6935 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6937 * config/i386/i386.c (size_cost): Correct the comment for
6938 cost of storing fp registers.
6939 (i386_cost): Likewise.
6940 (i486_cost): Likewise.
6941 (pentium_cost): Likewise.
6942 (pentiumpro_cost): Likewise.
6943 (k6_cost): Likewise.
6944 (athlon_cost): Likewise.
6945 (k8_cost): Likewise.
6946 (pentium4_cost): Likewise.
6947 (nocona_cost): Likewise.
6948 (generic64_cost): Likewise.
6949 (generic32_cost): Likewise.
6951 2006-03-24 Denis Chertykov <denisc@overta.ru>
6953 * config/avr/avr-protos.h (extra_constraint): Delete.
6954 (extra_constraint_Q): New declaration.
6955 * config/avr/constraints.md: New file.
6956 * config/avr/avr.md: Include it.
6957 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6958 (TMP_REGNO, ZERO_REGNO): Likewise.
6959 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6960 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6961 (extra_constraint): Delete.
6962 (extra_constraint_Q): Test for memory constraint 'Q'.
6963 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6964 (REG_CLASS_FROM_LETTER): Delete.
6965 (CONST_OK_FOR_LETTER_P): Delete.
6966 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6967 (EXTRA_CONSTRAINT): Delete.
6968 (TMP_REGNO): Delete.
6969 (ZERO_REGNO): Delete.
6971 2006-03-24 Jeff Law <law@redhat.com>
6973 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6974 directly. Call mark_new_vars_to_rename slightly earlier.
6976 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6978 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6980 (gen_compile_unit_die): Use new language types for Objective-C and
6982 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6983 DW_LANG_C_plus_plus.
6986 * config/t-darwin (crt3.o): Work around bug 26840.
6987 * config/darwin-crt3.c: Rewrite.
6988 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6990 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6992 * doc/invoke.texi: Document -femit-class-debug-always
6993 * common.opt: Add -femit-class-debug-always.
6995 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6997 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6998 index and base register.
6999 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7000 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7001 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7002 REGNO_OK_FOR_INDEX_P.
7003 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7005 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7006 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7007 REG_OK_FOR_BASE_P): Definitions removed.
7009 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7012 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7013 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7014 set yet or weren't marked as local yet.
7016 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7018 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7021 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7023 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7024 (rs6000_legitimate_small_data_p): Delete.
7025 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7026 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7027 and make static. Add forward declaration. Update uses.
7028 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7029 of offsettable_memref_p.
7030 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7031 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7033 2006-03-24 Jeff Law <law@redhat.com>
7035 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7036 around bug in immediate-use iterator.
7038 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7041 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7042 or __LITTLE_ENDIAN__.
7044 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7046 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7047 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7048 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7049 * config/sh/sh.opt (mdiv=): Amend description.
7050 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7051 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7052 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7053 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7054 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7055 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7056 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7057 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7058 TARGET_DIVIDE_CALL_FP.
7060 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7062 * haifa-sched.c (choose_ready): Fix type of the local variable.
7063 Move local variables. Add comment.
7064 (check_reg_live): Change signature. Make callable from debugger.
7065 * sched-int.h (check_reg_live): Update signature.
7066 * sched-ebb.c (check_reg_live): Update parameters.
7067 * sched-rgn.c (check_reg_live): Ditto.
7068 (region_head_or_leaf_p): Check pointer before dereferencing.
7069 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7070 before reload on optimization levels below 1.
7072 2006-03-23 Richard Henderson <rth@redhat.com>
7074 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7078 * config/alpha/predicates.md (local_symbolic_operand): Reject
7081 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7084 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7085 expressions which have overflowed constants.
7087 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7089 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7091 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7093 * cfgloopmanip.c (create_loop_notes): Removed.
7094 * final.c (final_scan_insn): Do not handle loop notes.
7095 * jump.c (squeeze_notes): Ditto.
7096 * cfglayout.c (skip_insns_after_block,
7097 duplicate_insn_chain): Ditto.
7098 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7100 * cfgloop.h (create_loop_notes): Declaration removed.
7102 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7104 * varasm.c (output_constant_pool): Restore fnname and fndecl
7106 (assemble_start_function): Adjust call accordingly.
7107 (assemble_end_function): Likewise.
7109 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7112 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7115 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7117 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7120 * system.h (ICE_EXIT_CODE): New macro.
7121 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7122 (diagnostic_action_after_output): Likewise.
7123 * gcc.c (fatal_ice): New function.
7124 (execute): Use it instead of fatal.
7125 (fancy_abort): Likewise.
7126 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7128 2006-03-22 Jeff Law <law@redhat.com>
7130 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7131 iv_analyze_result returning false.
7133 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7135 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7137 2006-03-22 Richard Henderson <rth@redhat.com>
7140 * except.c (duplicate_eh_regions_0): New.
7141 (duplicate_eh_region_1): Duplicate the children of the node as
7142 well as the node itself. Link them up properly.
7143 (duplicate_eh_region_2): Merge into ...
7144 (duplicate_eh_regions): ... here. Take copy_region argument, and
7145 copy only a sub-tree if asked. Simplify copying and fixup.
7146 (eh_region_outer_p): New.
7147 * except.h (duplicate_eh_regions): Update decl.
7148 (eh_region_outer_p): Declare.
7149 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7150 (lower_omp_master): Likewise.
7151 (lower_omp_ordered): Likewise.
7152 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7153 (move_stmt_r): Use it to remap labels. Handle recursion vs
7154 remap_decls_p properly.
7155 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7156 (find_outermost_region_in_block): New.
7157 (new_label_mapper): New.
7158 (move_sese_region_to_fn): Copy eh information to the new function
7160 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7162 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7165 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7167 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7168 into shared libraries.
7170 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7172 * doc/md.texi: Refer to i386/constraints.md instead of
7174 * config/i386/constraints.md: New file, extracted from...
7175 * config/i386/predicates.md: ...here.
7176 * config/i386/i386.md: Include constraints.md.
7178 2006-03-21 Jason Merrill <jason@redhat.com>
7180 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7183 * expr.c (init_block_move_fn): Force default visibility.
7184 (init_block_clear_fn): Likewise.
7185 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7186 * targhooks.c (default_external_stack_protect_fail): Likewise.
7188 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7190 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7191 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7192 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7193 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7194 (loadgp): Use mips_current_loadgp_style.
7195 (loadgp_noshared): New pattern.
7196 (sibcall_internal): Use MIPS_CALL.
7197 (sibcall_value_internal): Likewise.
7198 (sibcall_value_multiple_internal): Likewise.
7199 (call_internal): Likewise.
7200 (call_value_internal): Likewise.
7201 (call_value_multiple_internal): Likewise.
7202 (call_split): Use MIPS_CALL and add an 'S' constraint.
7203 (call_value_split): Likewise.
7204 (call_value_multiple_split): Likewise.
7205 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7206 (-mshared): New option.
7207 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7208 (mips_current_loadgp_style): Declare.
7209 * config/mips/mips.c (mips_classify_symbol): Avoid using
7210 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7211 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7212 TARGET_ABSOLUTE_ABICALLS.
7213 (override_options): Adjust comments. Improve the warning that is
7214 issued when -mabicalls and -G are used together.
7215 (mips_file_start): Remove comment.
7216 (mips_current_loadgp_style): New function.
7217 (mips_gnu_local_gp): New variable.
7218 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7220 (mips_output_function_prologue): Use mips_current_laodgp_style.
7221 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7222 the cprestore instruction.
7223 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7224 live for TARGET_ABSOLUTE_ABICALLS.
7225 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7226 (ASM_SPEC): Pass down -mshared and -mno-shared.
7227 (MIPS_CALL): New macro.
7228 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7230 * doc/invoke.texi (-mabicalls): Update documentation.
7231 (-mshared): Document.
7233 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7235 * config/ia64/unwind-hpux.c: New file.
7236 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7238 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7241 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7243 2006-03-21 Jeff Law <law@redhat.com>
7245 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7246 type conversions of a VR_VARYING source to a wider type.
7248 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7250 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7251 tm_file on Solaris 10 and later.
7252 (sparc64-*-solaris2*): Likewise.
7253 (sparc-*-solaris2*): Likewise.
7254 * config/sol26.h: Rename to config/sol2-6.h.
7255 * config/sol2-10.h: New file.
7257 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7260 * tree-ssa-pre.c (create_component_ref_by_pieces):
7263 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7266 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7267 return it immediately.
7269 2006-03-21 Michael Matz <matz@suse.de>
7271 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7273 (remove_arc, add_arc): Update num_out_arcs member.
7274 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7276 (cache_presence): New function.
7277 (compare_states_for_equiv): New function.
7278 (state_is_differed): Don't take number of outargs, adjust callers.
7279 Use new invariant for speeding up.
7280 (init_equiv_class): Create initial classes based on sorted
7282 (partition_equiv_class): Don't track out_arcs_num.
7283 (evaluate_equiv_classes): Call cache_presence on all states and
7286 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7288 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7289 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7290 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7291 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7293 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7294 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7295 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7296 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7297 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7299 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7300 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7301 (REGNO_REG_CLASS): ARGP is in PREGS.
7302 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7304 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7305 to deal with those addresses.
7306 * addresses.h: New file.
7307 * caller-save.c: Include "addresses.h".
7308 (init_caller_save): Use new base_reg_class function.
7309 * rtl-factoring.c: Include "addresses.h".
7310 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7311 * recog.c: Include "addresses.h".
7312 (preprocess_constraints): Use new base_reg_class function.
7313 * regrename.c: Include "addresses.h".
7314 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7315 functions. Keep track of a new var INDEX_CODE to compute valid
7317 (replace_oldest_value_addr): Likewise.
7318 (replace_oldest_value_mem): Use base_reg_class.
7319 * reload.c: Include "addresses.h".
7320 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7321 (find_reloads): Use new base_reg_class function.
7322 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7323 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7324 all callers and prototype changed.
7325 * reload1.c: Include "addresses.h".
7326 (maybe_fix_stack_asms): Use base_reg_class.
7327 * regclass.c: Include "addresses.h".
7328 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7329 (init_reg_autoinc): Use new base_reg_class function.
7330 (record_reg_classes): Likewise.
7331 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7332 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7333 Use new args to compute necessary class.
7335 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7336 regrename.o, rtl-factoring.o): Update dependencies.
7337 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7338 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7339 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7340 REG_OK_FOR_INDEX_P): Delete documentation.
7342 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7344 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7345 from V7 to V9 for Solaris 7 and above.
7347 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7349 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7350 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7351 argument pointers may not alias any other storage.
7352 * common.opt: Define option -fargument-noalias-anything.
7353 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7354 alias semantics is specified by flag_argument_noalias > 2.
7356 2006-03-20 Jeff Law <law@redhat.com>
7358 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7359 (pass_phi_only_cprop): Declare.
7360 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7362 * tree-ssa-dom.c (degenerate_phi_result): New function.
7363 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7364 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7365 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7366 (eliminate_degenerate_phis): Likewise.
7367 (pass_phi_only_cprop): New pass descriptor.
7368 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7369 support code. Callers updated.
7370 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7371 (store_copy_prop): Likewise.
7372 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7374 2006-03-20 Jason Merrill <jason@redhat.com>
7377 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7378 (push_visibility, pop_visibility): Likewise.
7379 * c-pragma.h: Declare them.
7381 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7383 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7385 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7386 parameter and use get_ebb_head_tail.
7387 (sh_md_init_global): Adjust uses of find_regmode_weight.
7389 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7391 * function.h (struct function) <x_tail_recursion_reentry>:
7392 Rename to x_stack_check_probe_note.
7393 (tail_recursion_reentry): Rename to stack_check_probe_note.
7394 * function.c: Replace tail_recursion_reentry with
7395 stack_check_probe_note everywhere.
7396 (expand_function_start): Only emit a note for
7397 stack_check_probe_note with -fstack-protect.
7398 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7400 * emit-rtl.c (remove_unnecessary_notes): Remove.
7401 (pass_remove_unnecessary_notes): Remove.
7402 * rtl.h (remove_unnecessary_notes): Remove prototype.
7403 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7404 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7405 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7407 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7410 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7411 (valid_in_set): Handle ARRAY_REF.
7412 Change "if min_variant or VH" to asserts.
7413 (create_component_ref_by_pieces): Handle ARRAY_REF.
7414 (create_expression_by_pieces): Likewise.
7415 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7417 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7419 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7420 is operand of switch, not str[0].
7422 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7424 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7425 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7427 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7429 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7430 end of insn_extra_address_constraint declaration.
7432 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7434 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7435 (no-sum-in-toc): Same.
7436 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7438 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7439 NO_FP_IN_TOC for -fPIC instead of mask.
7441 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7442 (BOOT_LDFLAGS): Delete.
7444 * config/rs6000/t-aix52: Same.
7446 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7447 (stmsi[345678]_power): New.
7449 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7451 * config/ia64/ia64.opt: Add empty line to end of file.
7453 2006-03-17 Richard Guenther <rguenther@suse.de>
7456 * builtins.c (get_pointer_alignment): For component style references
7457 adjust alignment to the component type alignment. Make sure
7458 to adjust alignment for component access of constants.
7460 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7462 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7465 2006-03-17 Paul Brook <paul@codesourcery.com>
7467 * doc/install.texi: Docuemnt --with-mode.
7468 * config.gcc: Add --with-mode for arm*-*-*.
7469 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7471 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7473 * sh.c (max_labelno_before_reorg): New variable.
7474 (sh_reorg): Initialize it.
7475 (find_barrier): Check max_labelno_before_reorg before using
7476 label_to_alignment. Take length of explicit alignment insns
7477 into account. When seeing a UNSPECV_CONST_END, return it.
7479 * sh.c (fixup_mova): Set mode of affected label to QImode.
7480 (untangle_mova): New function.
7481 (find_barrier): Use it. Check mode of label before decrementing
7483 (sh_reorg): Likewise.
7484 Set mode of all insns back to VOIDmode.
7486 * sh.c (MOVA_LABELREF): New macro.
7487 (mova_p, fixup_mova, sh_reorg): Use it.
7488 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7489 ADDR_DIFF_VEC matches mova.
7491 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7493 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7494 with ATTRIBUTE_UNUSED.
7496 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7498 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7499 pointer, instead of assuming it is possible to derive the
7500 correct args size from a call insn.
7502 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7504 * rtl.h (CONST_INT_P): Define.
7505 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7506 instead of GET_CODE(x) == CONST_INT.
7507 (vax_rtx_costs): Likewise.
7508 (vax_output_int_move): Likewise.
7509 (vax_output_int_add): Likewise.
7510 (legitimate_constant_address_p): Likewise.
7511 (index_term_p): Likewise.
7512 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7513 * config/vax/vax.md (and<mode>3): Likewise.
7514 (ashrsi3): Likewise.
7516 (movstricthi): Likewise.
7517 (movstrictqi): Likewise.
7518 (rotrsi3): Likewise.
7519 (five unnamed insns): Likewise.
7521 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7523 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7524 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7525 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7526 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7527 Pass to ASM_OUTPUT_DWARF_OFFSET.
7528 * dwarf2out.c (debug_frame_section): New.
7529 (output_call_frame_info): Use debug_frame_section. Pass it to
7530 dw2_asm_output_offset.
7531 (output_die): Pass appropriate section to dw2_asm_output_offset.
7532 (output_compilation_unit_header): Likewise.
7533 (output_pubnames): Likewise.
7534 (output_aranges): Likewise.
7535 (enum dw_val_class): Break dw_val_class_lbl_offset into
7536 dw_val_class_lineptr and dw_val_class_macptr.
7537 (add_AT_lbl_offset): Delete.
7538 (add_AT_lineptr): New.
7539 (add_AT_macptr): New.
7540 (AT_lbl): Expect a lineptr or macptr.
7541 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7542 (attr_checksum): Likewise.
7543 (same_dw_val_p): Likewise.
7544 (size_of_die): Likewise.
7545 (value_format): Likewise.
7546 (output_die): Likewise.
7547 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7549 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7550 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7551 * config/darwin-protos.h (darwin_file_start): New.
7552 (darwin_asm_output_dwarf_offset): New.
7553 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7554 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7556 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7557 if not EH section; simplify.
7558 (darwin_file_start): New.
7559 (darwin_asm_output_dwarf_offset): New.
7560 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7562 (DEBUG_INFO_SECTION): Likewise.
7563 (DEBUG_ABBREV_SECTION): Likewise.
7564 (DEBUG_ARANGES_SECTION): Likewise.
7565 (DEBUG_MACINFO_SECTION): Likewise.
7566 (DEBUG_LINE_SECTION): Likewise.
7567 (DEBUG_LOC_SECTION): Likewise.
7568 (DEBUG_PUBNAMES_SECTION): Likewise.
7569 (DEBUG_STR_SECTION): Likewise.
7570 (DEBUG_RANGES_SECTION): Likewise.
7571 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7572 (ASM_OUTPUT_DWARF_OFFSET): New.
7574 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7576 * config.gcc (tm_defines): Always add to previous value rather
7579 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7581 * config/mips/predicates.md (splittable_const_int_operand): New,
7582 split from move_operand.
7583 (splittable_symbolic_operand): New.
7584 (move_operand): Add commentary. Use splittable_const_int_operand.
7585 Inline mips_atomic_symbolic_constant_p.
7586 * config/mips/mips.md: Add combine splitters for handling moves
7587 of splittable_const_int_operands and splittable_symbolic_operands.
7588 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7589 (mips_split_symbol): Declare.
7590 (mips_move_integer): Declare.
7591 * config/mips/mips.c (mips_split_p): Make global.
7592 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7593 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7594 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7595 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7596 (mips_offset_within_object_p): Handle block symbols.
7597 (mips_atomic_symbolic_constant_p): Delete.
7598 (mips_cannot_force_const_mem): Return false for constants that
7599 mips_legitimize_move can handle.
7600 (mips_use_blocks_for_constant_p): New function.
7601 (mips_split_symbol): Make global.
7602 (mips_move_integer): Likewise. Add a temporary register argument.
7603 (mips_legitimize_const_move): Use splittable_const_int_operand and
7604 splittable_symbolic_operand.
7605 (mips_use_anchors_for_symbol_p): New function.
7606 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7607 (mips_split_p): Declare.
7609 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7611 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7612 (mips*-*-linux*): Likewise.
7614 2006-03-16 Roger Sayle <roger@eyesopen.com>
7615 Daniel Speyer <dspeyer@wam.umd.edu>
7618 * tree-dump.c (dump_real): New function.
7619 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7620 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7621 (tree-dump.o): Add $(REAL_H) to the dependencies.
7623 2006-03-16 Roger Sayle <roger@eyesopen.com>
7626 * real.c (real_from_string): If the mantissa is zero, don't bother
7627 parsing the exponent as the result should always be zero.
7629 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7631 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7633 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7635 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7636 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7637 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7638 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7639 ia64_sched_finish_global): New static functions to implement
7640 hooks from gcc_target.sched.
7641 (spec_check_no, max_uid, pending_data_specs): New static variables.
7642 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7643 ia64_spec_check_src_p): New static functions.
7644 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7645 (TARGET_SCHED_ADJUST_COST): Removed.
7646 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7647 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7648 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7649 TARGET_SCHED_GEN_CHECK,
7650 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7651 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7652 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7653 Fixed to handle speculation checks.
7654 (rtx_needs_barrier): Fixed to handle speculative loads and
7656 (ia64_variable_issue): Added code to count speculative loads and their
7658 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7660 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7662 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7664 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7665 (ia64_reorg): Reset stops_p to NULL after it is freed.
7666 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7667 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7668 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7670 (data_speculative, control_speculative, check_load): New attributes.
7671 (mov<mode>_advanced, mov<mode>_speculative,
7672 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7673 zero_extend<mode>di2_speculative,
7674 zero_extend<mode>di2_speculative_advanced): New patterns for
7675 data and control speculative loads.
7676 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7678 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7679 New pattern for data and control speculation checks.
7680 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7681 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7682 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7683 Auxiliary definitions for the patterns.
7684 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7685 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7687 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7689 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7690 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7691 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7692 New resource constraints.
7693 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7695 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7696 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7697 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7698 msched-in-control-spec, msched-ldc, msched-control-ldc,
7699 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7700 msched-prefer-non-control-spec-insns,
7701 msched-count-spec-in-critical-path): New flags to tune speculative
7703 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7704 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7705 msched-in-control-spec, msched-ldc, msched-control-ldc,
7706 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7707 msched-prefer-non-control-spec-insns,
7708 msched-count-spec-in-critical-path): Document new flags.
7710 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7712 * target.h (struct spec_info_def): New opaque declaration.
7713 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7714 speculate_insn, needs_block_p, gen_check,
7715 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7716 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7717 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7718 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7719 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7720 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7722 (TARGET_SCHED): Use new macros.
7723 * rtl.h (copy_DEPS_LIST_list): New prototype.
7724 * sched-int.h (struct sched_info): Change signature of new_ready field,
7725 adjust all initializations. New fields: add_remove_insn,
7726 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7727 region_head_or_leaf_p.
7728 (struct spec_info_def): New structure declaration.
7729 (spec_info_t): New typedef.
7730 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7731 recovery_block, orig_pat.
7732 (glat_start, glat_end): New variables declaraions.
7733 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7735 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7736 DETACH_LIFE_INFO, USE_GLAT.
7737 (enum SPEC_SCHED_FLAGS): New enumeration.
7738 (NOTE_NOTE_BB_P): New macro.
7739 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7740 attach_life_info, debug_spec_status, check_reg_live): New functions.
7741 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7742 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7744 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7745 * ddg.c (get_block_head_tail): Adjust all uses.
7746 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7747 (sms_sched_info): Initialize new fields.
7748 (contributes_to_priority): Removed.
7749 * haifa-sched.c (params.h): New include.
7750 (get_block_head_tail): Adjust all uses.
7751 (ISSUE_POINTS): New macro.
7752 (glat_start, glat_end): New global variables.
7753 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7754 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7755 old_last_basic_block, before_recovery, current_sched_info_var,
7756 rgn_n_insns, luid): New static variables.
7757 (insn_cost1): New function. Move logic from insn_cost to here.
7758 (find_insn_reg_weight1): New function. Move logic from
7759 find_insn_reg_weight to here.
7760 (reemit_notes, move_insn, max_issue): Change signature.
7761 (move_insn1): Removed.
7762 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7763 extend_bb): New static functions to support extension of scheduler's
7765 (generate_recovery_code, process_insn_depend_be_in_spec,
7766 begin_speculative_block, add_to_speculative_block,
7767 init_before_recovery, create_recovery_block, create_check_block_twin,
7768 fix_recovery_deps): New static functions to support
7769 generation of recovery code.
7770 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7771 restore_bb_notes, move_block_after_check, move_succs): New static
7772 functions to support ebb scheduling.
7773 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7774 functions to support handling of register live information.
7775 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7776 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7777 add_jump_dependencies): New static functions.
7778 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7779 consistancy checking.
7780 (debug_spec_status): New function to call from debugger.
7781 (priority): Added code to handle speculation checks.
7782 (rank_for_schedule): Added code to distinguish speculative instructions.
7783 (schedule_insn): Added code to handle speculation checks.
7784 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7785 Fixed to handle ebbs.
7786 (move_insn): Added code to handle ebb scheduling.
7787 (max_issue): Added code to use ISSUE_POINTS of instructions.
7788 (choose_ready): Added code to choose between speculative and
7789 non-speculative instructions.
7790 (schedule_block): Added code to handle ebb scheduling and scheduling of
7791 speculative instructions.
7792 (sched_init): Initialize new variables.
7793 (sched_finish): Free new variables. Print statistics.
7794 (try_ready): Added code to handle speculative instructions.
7795 * lists.c (copy_DEPS_LIST_list): New function.
7796 * sched-deps.c (extend_dependency_caches): New function. Move logic
7797 from create_dependency_caches to here.
7798 (get_dep_weak, ds_merge): Make global.
7799 * genattr.c (main): Code to output prototype for
7800 dfa_clear_single_insn_cache.
7801 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7802 (output_dfa_clean_insn_cache_func): Code to output
7803 dfa_clear_single_insn_cache function.
7804 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7806 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7808 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7809 New static variables.
7810 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7811 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7813 (ebb_sched_info): Initialize new fields.
7814 (get_block_head_tail): Adjust all uses.
7815 (compute_jump_reg_dependencies): Fixed to use glat_start.
7816 (schedule_ebb): Code to remove unreachable last block.
7817 (schedule_ebbs): Added code to update register live information.
7818 * sched-rgn.c (region_sched_info): Initialize new fields.
7819 (get_block_head_tail): Adjust all uses.
7820 (last_was_jump): Removed. Adjust users.
7821 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7822 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7823 Implement new hooks.
7824 (check_dead_notes1): New static function.
7825 (struct region): New fields: dont_calc_deps, has_real_ebb.
7826 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7827 (BB_TO_BLOCK): Fixed to handle EBBs.
7828 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7829 (ebb_head): New static variable.
7830 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7831 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7833 (compute_dom_prob_ps): New assertion.
7834 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7835 global_live_at_start.
7836 (init_ready_list): New assertions.
7837 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7838 (new_ready): Add support for BEGIN_CONTROL speculation.
7839 (schedule_insns): Fixed code that updates register live information
7841 (schedule_region): Fixed to handle EBBs.
7842 (init_regions): Use extend_regions and check_dead_notes1.
7843 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7844 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7845 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7846 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7847 TARGET_SCHED_GEN_CHECK,
7848 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7849 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7850 * doc/invoke.texi (max-sched-insn-conflict-delay,
7851 sched-spec-prob-cutoff): Document.
7853 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7855 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7856 inter_tick, queue_index.
7857 (struct sched_info): Change signature of init_ready_list field.
7858 Adjust all initializations.
7859 (RESOLVED_DEPS): New access macro.
7860 (ready_add): Remove prototype.
7861 (try_ready): Add prototype.
7862 * sched-rgn.c (init_ready_list): Use try_ready.
7863 (schedule_region): Initialize
7864 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7865 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7866 (init_ready_list): Use try_ready.
7867 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7868 * lists.c (remove_list_elem): Remove `static'.
7869 (remove_free_INSN_LIST_elem): New function.
7870 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7871 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7872 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7874 (readyp): New variable.
7875 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7876 change_queue_index, resolve_dep): New static functions.
7877 (try_ready): New function. Adjust callers in sched-rgn.c and
7878 sched-ebb.c to use it instead of ready_add.
7879 (clock_var): Move at the begining of file.
7880 (rank_for_schedule): Fix typo.
7881 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7882 (ready_lastpos): Enforce assertion.
7883 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7885 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7886 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7887 (queue_to_ready): Use free_INSN_LIST_list.
7888 (early_queue_to_ready): Fix typo.
7889 (schedule_block): Init readyp. Move init_ready_list call after the
7890 initialization of clock_var. Fix error in rejecting insn by
7891 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7892 that previously corrected INSN_TICKs. Add code for handling
7894 (set_priorities): Fix typo.
7895 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7896 Clarify comment and code that keeps current_sched_info->next_tail
7899 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7901 * sched-rgn.c (extend_rgns): New static function.
7902 (find_rgns): Use it.
7903 (gather_region_statistics, print_region_statistics): New static
7905 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7906 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7908 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7909 Andrey Belevantsev <abel@ispras.ru>
7911 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7912 * lists.c (unused_deps_list): New variable.
7913 (free_list): Add assertions to verify the proper distinguishing
7914 between INSN_LISTs and DEPS_LISTs.
7915 (find_list_elem, remove_list_elem, remove_list_node): New static
7917 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7918 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7919 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7920 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7922 (free_INSN_LIST_node): Likewise.
7923 * modulo-sched.c (current_sched_info): Initialize flags field.
7924 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7925 * rtl.def (DEPS_LIST): Define.
7926 * rtl.h: Declare new functions from lists.c.
7927 * sched-deps.c (spec_dependency_cache): New static variable.
7928 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7929 (add_dependence): Change return type to void. Move the logic to ...
7930 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7931 (delete_all_dependences): Add comment about forward_dependency_cache.
7932 Handle spec_dependency_cache. Handle DEPS_LISTs.
7933 (fixup_sched_groups): Clarify the change of priority of output
7934 and anti dependencies.
7935 (sched_analyze_2): Adjust add_dependence calls to create data
7936 speculative dependence.
7937 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7938 Adjust all callers. Handle DEPS_LISTS.
7939 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7940 presence of speculation.
7941 (init_dependency_caches, free_dependency_caches):
7942 Handle spec_dependency_cache.
7943 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7944 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7945 New static functions.
7946 (add_or_update_back_dep, add_or_update_back_forw_dep,
7947 add_back_forw_dep, delete_back_forw_dep): New functions.
7948 * sched-int.h (ds_t, dw_t): New typedefs.
7949 (struct sched_info): Add new field flags.
7950 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7951 Prototype new sched-deps.c functions.
7952 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7953 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7954 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7955 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7956 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7957 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7959 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7961 * sched-rgn.c (current_sched_info): Initialize flags field.
7962 (schedule_insns): Initialize current_sched_info before the sched_init
7964 * sched-ebb.c (current_sched_info): Initialize flags field.
7965 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7966 Call add_or_update_back_dep instead of add_dependence.
7967 Create control speculative dependencies.
7968 (schedule_insns): Initialize current_sched_info before the sched_init
7971 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7973 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7975 (sh_fallback_frame_state): Likewise.
7977 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7979 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7980 Do switch on default_use_cxa_atexit.
7981 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7982 * config/darwin-crt3.o: New.
7983 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7984 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7985 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7987 * config/rs6000/t-darwin: Move crt2.o building to here.
7988 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7989 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7992 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7994 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7995 from '! xxx' to '!xxx' for coding-style conformance.
7996 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7997 (EXTRA_CONSTRAINT): Likewise.
7998 * config/vax/vax.md (four unnamed insns): Likewise.
8000 2006-03-15 Paul Brook <paul@codesourcery.com>
8002 * config/arm/arm.c (minipool_pad): New.
8003 (add_minipool_forward_ref): Include pool alignment padding in address
8005 (push_minipool_fix): Set minipool_pad.
8006 (minipool_pad): Ditto.
8008 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8010 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8011 instead of GET_CODE() == MEM and REG_P() instead of
8013 (print_operand_address): Likewise.
8014 (vax_address_cost): Likewise.
8015 (vax_rtx_costs): Likewise.
8016 (vax_notice_update_cc): Likewise.
8017 (vax_output_int_add): Likewise.
8018 (INDEX_REGISTER_P): Likewise.
8019 (BASE_REGISTER_P): Likewise.
8020 (nonindexed_address_p): Likewise.
8021 (vax_mode_dependent_address_p): Likewise.
8022 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8023 (PRINT_OPERAND): Likewise.
8024 * config/vax/vax.md (ashlsi3): Likewise.
8025 (ashlsi3): Likewise.
8026 (some more unnamed insns): Likewise.
8028 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8030 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8031 iterator-style macro.
8032 (mark_control_dependent_edges_necessary): Update the use of
8033 EXECUTE_IF_CONTROL_DEPENDENT.
8035 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8037 * config/sh/predicates.md (cache_address_operand): Special.
8038 (ua_address_operand): Likewise.
8040 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8042 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8044 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8046 2006-03-15 Andreas Schwab <schwab@suse.de>
8048 * gensupport.c (identify_predicable_attribute): Don't free p_false
8049 when it is still in use.
8051 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8053 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8054 the default setting here.
8056 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8058 * tree-pass.h (pass_cfg): Remove.
8059 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8060 * passes.c (pass_cfg): Don't run it.
8062 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8064 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8065 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8067 (stack_regs_mentioned): Update the uses of
8068 stack_regs_mentioned_data. Don't access the array beyond its
8070 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8071 Don't include gt-reg-stack.h.
8073 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8074 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8076 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8079 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8082 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8084 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8086 2006-03-14 Richard Guenther <rguenther@suse.de>
8088 PR tree-optimization/26672
8089 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8092 2006-03-14 Richard Guenther <rguenther@suse.de>
8094 PR tree-optimization/26667
8095 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8096 node for the callees. Always allow inlining if it will shrink
8099 2006-03-14 Richard Guenther <rguenther@suse.de>
8102 * builtins.c (get_pointer_alignment): Prefer alignment
8103 information from decls over that from types.
8105 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8108 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8110 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8112 * config/rs6000/rs6000.opt (mdlmzb): New option.
8113 (msched-prolog, msched-epilog): Use Var not Mask.
8114 * doc/invoke.texi (-mdlmzb): Document.
8115 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8117 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8118 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8120 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8122 PR rtl-optimization/25739
8123 * bt-load.c (augment_live_range): Free tos pointer.
8125 * gensupport.c (identify_predicable_attribute): Free
8127 * gcov.c (create_file_names): Free name pointer.
8129 2006-03-13 Roger Sayle <roger@eyesopen.com>
8132 * stmt.c (emit_case_nodes): Handle the case where the index is a
8133 CONST_INT, where the comparison mode is specified by the index type.
8135 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8137 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8140 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8142 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8143 (*branch_fp_inverted): Likewise.
8145 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8148 * omp-low.c (expand_omp_for_generic): Mark istart0
8149 and iend0 as addressable.
8151 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8153 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8155 2006-03-13 Jeff Law <law@redhat.com>
8157 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8158 virtual operands are interesting.
8159 (vrp_visit_stmt): Corresponding changes.
8161 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8163 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8165 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8166 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8167 * config/bfin/crti.S: Use it instead of __PIC__.
8168 * config/bfin/crtn.S: Likewise.
8170 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8171 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8173 Lose 'G' modifier for call operand.
8174 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8175 recognize 'G' modifier.
8177 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8180 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8181 * stmt.c (expand_case): Likewise.
8183 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8185 PR rtl-optimization/26254
8186 * loop-invariant.c (seq_insns_valid_p): New function.
8187 (move_invariant_reg): Only emit new code if it is valid.
8189 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8191 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8193 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8194 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8195 (commit_one_edge_insertion): Do not look for loop notes.
8197 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8199 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8200 flag_test_coverage out of loop.
8202 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8204 * final.c (shorten_branches): Remove outdated comment, and turn
8205 the if branch that guards it to continue.
8207 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8209 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8210 * cfgloop.h (struct loop): Remove unused fields.
8212 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8214 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8215 (-dL, -fdump-rtl-loop2): Update the dump file names
8217 * doc/invoke.texi: Update dump file names.
8219 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8221 * predict.c (estimate_probability): Remove.
8222 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8223 * basic-block.h (estimate_probability): Remove prototype.
8224 * passes.c (finish_optimization_passes): Dump branch prediction or
8225 profiling heuristics to the .profile tree dump.
8226 (init_optimization_passes): Unqueue pass_branch_prob.
8228 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8230 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8232 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8233 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8235 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8237 * function.h (frame_offset_overflow): Declare.
8238 * function.c (frame_offset_overflow): New function.
8239 (assign_stack_local_1): Call it to detect that the offset overflows.
8240 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8242 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8244 * config/sh/sh.c: Include alloc-pool.h.
8245 (label_ref_list_pool): New alloc pool.
8246 (label_ref_list_t): New type for lists of labels.
8247 (struct pool_node): Make wend a label_ref_list_t.
8248 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8250 (dump_table): Likewise.
8251 (sh_reorg): Set up the alloc pool before using add_constant and
8252 dump_table, and destroy it when finishing.
8254 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8256 * config/mips/mips.c: Remove redundant comment.
8258 2006-03-10 Jason Merrill <jason@redhat.com>
8261 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8262 the target was declared 'register'.
8264 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8266 * genpreds.c (write_insn_constraint_len): Change definition of
8267 insn_constraint_len to return size_t to match the declaration.
8269 2006-03-10 DJ Delorie <dj@redhat.com>
8271 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8273 (m32c_expand_insv): Fix test for an AND mask.
8275 2006-03-10 Richard Guenther <rguenther@suse.de>
8278 * builtins.c (get_pointer_alignment): Handle component
8279 references for field alignment.
8281 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8283 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8284 when building with libgloss.
8285 (sh*elf): Implement --without-fp option.
8286 (sh64-superh-linux*): Don't multilib.
8288 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8290 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8292 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8294 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8295 Set it when one of the replacement functions returned true.
8296 Return TODO_cleanup_cfg if cfgchanged is true.
8297 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8299 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8301 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8302 instead of gen_lowpart.
8304 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8306 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8308 (mips_output_order_conditional_branch): Declare.
8309 * config/mips/mips.h (MIPS_BRANCH): New macro.
8310 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8311 for the comparison. Use gen_condjump.
8312 (mips_output_conditional_branch): Rework interface to take the
8313 asm templates for a direct branch and the inverse of a direct branch.
8314 (mips_output_order_conditional_branch): New function.
8315 (mips_builtin_branch_and_move): New function.
8316 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8317 branch condition. Use gen_single_cc as the condition for
8318 __builtin_mips_upper_* or __builtin_mips_lower_*.
8319 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8320 Use VOIDmode for the branch condition.
8321 * config/mips/predicates.md (order_operator): New predicate.
8322 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8323 (branch_fp): Rename to...
8324 (*branch_fp): ...this. Remove mode from comparison operator.
8325 Use new mips_output_conditional_branch interface.
8326 (branch_fp_inverted): Rename to...
8327 (*branch_fp_inverted): ...this and update as for *branch_fp.
8328 (*branch_zero<mode>): Rename to...
8329 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8330 Use mips_output_order_conditional_branch. Only accept ordered
8332 (*branch_zero<mode>_inverted): Rename to...
8333 (*branch_order<mode>_inverted): ...this and update as for
8334 *branch_order<mode>.
8335 (*branch_equality<mode>): Accept zero as the second operand to
8336 the equality operator. Use the new mips_output_conditional_branch
8338 (*branch_equality<mode>_inverted): Likewise.
8339 (condjump): New expander.
8340 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8342 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8343 (bc1any2t, bc1any2f): Likewise.
8344 (single_cc): New expander.
8345 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8347 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8349 * doc/md.texi: Update documentation of MIPS constraints.
8350 * config/mips/constraints.md: New file.
8351 * config/mips/mips.md: Include it.
8352 * config/mips/mips.c (mips_char_to_class): Delete.
8353 (override_options): Don't initialize mips_char_to_class.
8354 * config/mips/mips.h (mips_char_to_class): Delete.
8355 (REG_CLASS_FROM_LETTER): Delete.
8356 (CONST_OK_FOR_LETTER_P): Delete.
8357 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8358 (EXTRA_CONSTRAINT_Y): Delete.
8359 (EXTRA_CONSTRAINT_STR): Delete.
8360 (CONSTRAINT_LEN): Delete.
8361 (EXTRA_MEMORY_CONSTRAINT): Delete.
8363 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8365 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8366 original fn's eh regions.
8368 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8370 * fold-const.c (build_range_check): Make sure to use a valid type to
8371 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8374 (range_predecessor): New static function.
8375 (range_successor): Likewise.
8376 (merge_ranges): Use them to compute predecessors and successors of
8379 2006-03-09 Roger Sayle <roger@eyesopen.com>
8382 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8383 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8385 2006-03-08 DJ Delorie <dj@redhat.com>
8387 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8388 (addpsi3): Expand to include memory operands. Remove
8389 reload-specific splits.
8390 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8391 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8392 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8393 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8394 (shift1_qi, shift1_hi, insv): New.
8395 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8396 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8397 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8399 * config/m32c/m32c-protos.h: Update as needed.
8400 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8401 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8402 Fail for unrecognized R* constraints.
8403 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8404 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8405 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8407 (m32c_init_libfuncs): New.
8408 (m32c_legitimate_address_p): Add debug wrapper.
8409 (m32c_rtx_costs): New.
8410 (m32c_address_cost): New.
8411 (conversions): Add 'B' prefix.
8412 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8413 operands, or word regnames for QI operands. 'B' prints bit
8415 (m32c_expand_setmemhi): New.
8416 (m32c_expand_movmemhi): New.
8417 (m32c_expand_movstr): New.
8418 (m32c_expand_cmpstr): New.
8419 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8420 (m32c_expand_neg_mulpsi3): Handle non-ints.
8421 (m32c_cmp_flg_0): New.
8422 (m32c_expand_movcc): New.
8423 (m32c_expand_insv): New.
8424 (m32c_scc_pattern): New.
8425 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8426 a0/a1 out of SIregs.
8427 (STORE_FLAG_VALUE): New.
8428 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8431 * config/m32c/mov.md: Make constraints more liberal.
8432 (zero_extendqihi2): Optimize r0/r1 case.
8433 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8434 * config/m32c/predicates.md (m32c_any_operand): New.
8435 (m32c_nonimmediate_operand): New.
8436 (m32c_hl_operand): New.
8437 (m32c_r3_operand): New.
8440 (memsym_operand): New.
8441 (memimmed_operand): New.
8442 (a_qi_operand): New.
8443 (m32c_eqne_operator): New.
8444 (m32c_1bit8_operand): New.
8445 (m32c_1bit16_operand): New.
8446 (m32c_1mask8_operand): New.
8447 (m32c_1mask16_operand): New.
8448 * config/m32c/blkmov.md: New file.
8449 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8451 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8453 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8454 unsigned to fix signed/unsigned comparison issue in
8455 DWARF2_FRAME_REG_OUT.
8456 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8457 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8459 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8460 of ptr into the ENABLE_CHECKING section.
8462 2006-03-08 Jeff Law <law@redhat.com>
8464 * tree-vrp.c (infer_value_range): Only count pointer uses
8465 and dereferences if -fdelete-null-pointer-checks is enabled.
8467 * tree-vrp.c (find_assert_locations): Infer value ranges for
8468 single use pointers, but do not create ASSERT_EXPRs for them.
8469 When a non-null range is inferred for a pointer, backwards
8470 propagate that range to other equivalent pointers through the
8473 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8476 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8477 language hook targets.
8478 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8479 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8480 if language hook targets were missing.
8482 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8484 * tree-ssa-opfinalize.h: Removed.
8485 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8487 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8488 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8489 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8490 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8491 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8492 finalize_ssa_v_must_def_ops): New.
8494 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8496 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8499 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8501 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8503 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8504 addresses with offsets; reorganize.
8506 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8507 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8508 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8510 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8513 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8515 2006-03-08 Ben Elliston <bje@au.ibm.com>
8517 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8519 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8522 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8525 2006-03-07 Richard Guenther <rguenther@suse.de>
8527 PR tree-optimization/26587
8528 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8530 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8532 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8534 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8536 * hooks.c (hook_bool_mode_rtx_true): New function.
8537 * hooks.h (hook_bool_mode_rtx_true): Declare.
8538 * toplev.c (compile_file): Call output_shared_constant_pool.
8539 * varasm.c (shared_constant_pool): New variable.
8540 (assemble_start_function, assemble_end_function): Remove arguments
8541 from call to output_constant_pool.
8542 (create_constant_pool): New function, split out from...
8543 (init_varasm_status): ...here.
8544 (force_const_mem): Choose between the shared and per-function constant
8545 pools. Set current_function_uses_const_pool when reusing old entries
8546 as well as when creating new ones.
8547 (mark_constant): Ignore data argument.
8548 (mark_constants): Remove pool argument.
8549 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8550 to decide whether the function uses a constant pool.
8551 (output_constant_pool_contents): New function, split out from...
8552 (output_constant_pool): ...here.
8553 (output_shared_constant_pool): New function.
8554 (init_varasm_once): Initialize shared_constant_pool.
8555 * output.h (output_constant_pool): Delete.
8556 (output_shared_constant_pool): Declare.
8557 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8558 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8560 2006-03-06 Nick Clifton <nickc@redhat.com>
8562 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8563 flag_strength_reduce.
8565 2006-03-06 Ben Elliston <bje@au.ibm.com>
8567 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8568 x86_64-*-linux* configurations.
8570 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8571 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8573 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8575 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8577 * basic-block.h: Remove the extern for
8578 rediscover_loops_after_threading.
8580 * cfgloop.c (cancel_loop): Make it static.
8581 * cfgloop.h: Remove the prototype for cancel_loop.
8583 * flow.c (recompute_reg_usage): Make it static.
8584 * rtl.h: Remove the prototype for recompute_reg_usage.
8586 * function.c (use_return_register): Make it static.
8587 * function.h: Remove the prototype.
8589 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8591 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8593 * recog.h: Remove the prototype for
8594 validate_change_maybe_volatile.
8596 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8598 * rtlanal.c (replace_reg): Remove.
8599 * rtl.h: Remove the prototype for replace_reg.
8601 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8603 * regclass.c (reg_scan_update): Remove.
8604 (reg_scan_mark_refs): Remove the last argument.
8605 * rtl.h: Remove the prototype for reg_scan_update.
8607 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8609 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8610 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8611 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8612 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8613 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8614 loop-invariant.c, omp-low.c, opts.c, passes.c,
8615 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8616 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8617 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8618 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8619 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8620 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8622 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8624 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8625 * dwarf2out.h: Remove the prototype for
8626 dwarf2out_add_library_unit_info.
8628 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8630 * tree.c (add_var_to_bind_expr): Remove.
8631 * tree.h: Remove the prototype for add_var_to_bind_expr.
8633 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8635 * regclass.c (n_non_fixed_regs): Remove.
8636 (init_reg_sets_1, globalize_reg): Remove all uses of
8638 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8640 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8642 * rtlanal.c (insns_safe_to_move_p): Remove.
8643 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8645 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8647 * expmed.c (expand_mult_add): Remove.
8648 * expr.h: Remove the prototype for expand_mult_add.
8650 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8652 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8653 and REG_SAVED_VAL_EXP constants.
8654 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8655 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8656 Handle regs stored by value.
8657 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8658 (execute_cfa_program): Handle DW_CFA_val_offset,
8659 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8660 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8661 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8662 (uw_install_context_1): Handle target regs stored by value.
8664 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8666 * tree-sra.c (tree_sra): Return todoflags;
8667 (generate_one_element): Set TODO_update_smt_usage if needed.
8668 (pass_sra): Remove TODO_update_smt_usage.
8669 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8671 (tree_ssa_forward_propagate_single_use_vars): Return
8672 TODO_update_smt_usage if we need to update SMT usage.
8673 (pass_forwprop): Remove TODO_update_smt_usage.
8675 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8677 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8678 (correct_use_link): Remove reference to get_stmt_operands.
8679 (update_stmt_operands): Likewise.
8680 (get_modify_expr_operands): New function factored out of
8681 parse_ssa_operands and get_expr_operands.
8682 Try to create V_MUST_DEFs for LHS by default.
8683 (get_expr_operands) <case MODIFY_EXPR>: Call
8684 get_modify_expr_operands.
8685 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8686 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8687 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8688 get_modify_expr_operands.
8690 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8692 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8693 * tree-flow.h: Remove the prototype for
8694 referenced_var_lookup_if_exists.
8696 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8698 PR rtl-optimization/26345
8700 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8702 2006-03-03 Roger Sayle <roger@eyesopen.com>
8704 PR tree-optimization/26524
8705 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8706 fold_convert to create a constant of the appropriate type.
8708 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8710 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8711 SYMBOL_REF_IN_BLOCK_P.
8712 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8713 of SYMBOL_FLAG_IN_BLOCK.
8714 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8715 instead of SYMBOL_REF_IN_BLOCK_P.
8716 * explow.c (use_anchored_address): Likewise.
8717 * rtl.c (rtx_size): Likewise.
8718 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8719 instead of SYMBOL_FLAG_IN_BLOCK.
8720 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8721 SYMBOL_REF_IN_BLOCK_P.
8722 (assemble_variable): Likewise.
8723 (output_constant_def_contents): Likewise.
8724 (output_constant_pool): Likewise.
8725 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8726 instead of SYMBOL_FLAG_IN_BLOCK.
8727 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8728 SYMBOL_REF_IN_BLOCK_P.
8729 (SYMBOL_REF_BLOCK): Likewise.
8730 (SYMBOL_REF_OFFSET): Likewise.
8731 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8732 SYMBOL_REF_IN_BLOCK_P.
8733 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8734 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8735 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8736 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8738 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8740 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8742 2006-03-02 Roger Sayle <roger@eyesopen.com>
8744 * simplify-rtx.c (simplify_unary_operation): When simplifying
8745 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8746 that we perform the right shift in the appropriate mode, and
8747 then extend or truncate the result to requested mode.
8749 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8751 * gengtype.c (main): Handle double_int type.
8752 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8753 * double-int.c: New file.
8754 * double-int.h: New file.
8755 * system.h: Include doubleint.h.
8756 * Makefile.in (SYSTEM_H): Include double-int.h.
8757 (double-int.o): Add.
8759 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8762 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8765 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8767 * tree-vrp.c (remove_range_assertions): Do not update statements
8770 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8772 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8774 * gcse.c (rest_of_handle_gcse): Ditto.
8775 * except.c (gate_handle_eh): Ditto.
8776 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8777 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8779 2006-03-02 Eric Christopher <echristo@apple.com>
8781 * config/i386/i386.c (machopic_output_stub): Add indirection to
8784 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8788 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8790 Sun Niagara specific optimizations.
8791 * config.gcc: Recognize niagara as target.
8792 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8793 (TARGET_CPU_niagara): Define.
8794 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8795 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8796 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8797 (ASM_CPU_SPEC): Likewise.
8798 (PROCESSOR_NIAGARA): New enum entry.
8799 (REGISTER_MOVE_COST): Handle Niagara.
8800 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8801 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8802 (sparc_override_options): Recognize "niagara", set appropriate
8803 default MASK_* values for it, and align functions to 32-bytes
8804 by default just like ULTRASPARC/ULTRASPARC3.
8805 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8806 (sparc64_initialize_trampoline): Likewise.
8807 (sparc_use_sched_lookahead): Use zero for niagara.
8808 (sparc_issue_rate): Use one for niagara.
8809 * config/sparc/niagara.md: New file.
8810 * config/sparc/sparc.md: Include it.
8811 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8812 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8813 when default cpu is niagara.
8814 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8815 (ASM_CPU_SPEC): Likewise.
8816 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8817 when default cpu is niagara.
8818 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8819 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8820 just like v9/ultrasparc/ultrasparc3.
8821 * doc/invoke.texi: Add documentation for "niagara" and improve
8822 existing documentation for ultrasparc variants.
8824 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8826 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8828 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8830 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8831 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8832 and say that only one is needed.
8833 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8834 * target.h (have_switchable_bss_sections): New hook.
8835 * explow.c (use_anchored_address): Check that the symbol is in a block.
8836 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8837 (bss_noswitch_section): New variables.
8838 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8839 (get_noswitch_section): New function.
8840 (get_block_for_section): Allow SECT to be null.
8841 (unlikely_text_section_p): Use SECTION_STYLE.
8842 (bss_initializer_p): New function.
8843 (get_variable_section): Move earlier in file. Take a new argument,
8844 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8845 Return one of the new *_sections in such cases.
8846 (get_block_for_decl): New function, extracting some logic from
8847 use_blocks_for_decl_p.
8848 (change_symbol_section): Remove in favor of...
8849 (change_symbol_block): ...this new function.
8850 (use_blocks_for_decl_p): Remove checks now performed by
8852 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8853 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8854 (emit_local, emit_bss, emit_common): ...these new functions.
8855 Return true if the alignment was honored.
8856 (emit_tls_common): New function.
8857 (asm_emit_uninitialised): Delete.
8858 (assemble_variable_noswitch): New function, split out from...
8859 (assemble_variable): ...here. Don't make decisions about common
8860 variables here. Globalize all public decls that go into non-common
8861 sections. Check whether SYMBOL_REF_BLOCK is null.
8862 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8863 (output_constant_pool): Likewise.
8864 (init_varasm_once): Initialize the new section variables.
8865 (have_global_bss_p): New function.
8866 (categorize_decl_for_section): Use bss_initializer_p.
8867 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8868 (place_block_symbol): Assert that the symbol must be in a block.
8869 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8870 (TARGET_INITIALIZER): Include it.
8871 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8872 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8873 (SECTION_MACH_DEP): Bump by two.
8874 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8875 (unnamed_section): Mention SECTION_UNNAMED in comment.
8876 (named_section): Likewise SECTION_NAMED.
8877 (noswitch_section_callback): New type.
8878 (noswitch_section): New structure.
8879 (section): Add a noswitch_section alternative.
8880 (SECTION_STYLE): New macro.
8881 (tls_comm_section, comm_section, lcomm_section): Declare.
8882 (bss_noswitch_section, have_global_bss_p): Declare.
8883 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8884 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8886 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8887 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8890 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8892 * tree-vrp.c (execute_vrp): Return value.
8893 * regrename.c (rest_of_handle_regrename): Ditto.
8894 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8895 * tree-complex.c (tree_lower_complex): Ditto.
8896 (tree_lower_complex_O0): Ditto.
8897 * tracer.c (rest_of_handle_tracer): Ditto.
8898 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8899 * postreload.c (rest_of_handle_postreload): Ditto.
8900 * tree-tailcall.c (execute_tail_recursion): Ditto.
8901 (execute_tail_calls): Ditto.
8902 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8903 * tree.h (init_function_for_compilation): Ditto.
8904 * ipa-cp.c (ipcp_driver): Ditto.
8905 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8906 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8907 * final.c (compute_alignments): Ditto.
8908 (rest_of_handle_final): Ditto.
8909 (rest_of_handle_shorten_branches): Ditto.
8910 (rest_of_clean_state): Ditto.
8911 * omp-low.c (execute_expand_omp): Ditto.
8912 (execute_lower_omp): Ditto.
8913 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8914 * ipa-reference.c (static_execute): Ditto.
8915 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8916 * reorg.c (rest_of_handle_delay_slots): Ditto.
8917 (rest_of_handle_machine_reorg): Ditto.
8918 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8919 * flow.c (recompute_reg_usage): Ditto.
8920 (rest_of_handle_remove_death_notes): Ditto.
8921 (rest_of_handle_life): Ditto.
8922 (rest_of_handle_flow2): Ditto.
8923 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8924 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8925 (do_ssa_store_ccp): Ditto.
8926 (execute_fold_all_builtins): Ditto.
8927 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8928 * modulo-sched.c (rest_of_handle_sms): Ditto.
8929 * ipa-pure-const.c (static_execute): Ditto.
8930 * cse.c (rest_of_handle_cse): Ditto.
8931 (rest_of_handle_cse2): Ditto.
8932 * web.c (rest_of_handle_web): Ditto.
8933 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8934 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8935 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8936 * tree-nrv.c (tree_nrv): Ditto.
8937 (execute_return_slot_opt): Ditto.
8938 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8939 (create_structure_vars): Ditto.
8940 * loop-init.c (rtl_loop_init): Ditto.
8941 (rtl_loop_done): Ditto.
8942 (rtl_move_loop_invariants): Ditto.
8943 (rtl_unswitch): Ditto.
8944 (rtl_unroll_and_peel_loops): Ditto.
8945 (rtl_doloop): Ditto.
8946 * gimple-low.c (lower_function_body): Ditto.
8947 (mark_used_blocks): Ditto.
8948 * tree-ssa-sink.c (execute_sink_code): Ditto.
8949 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8950 (cgraph_early_inlining): Ditto.
8951 * global.c (rest_of_handle_global_alloc): Ditto.
8952 * jump.c (cleanup_barriers): Ditto.
8953 (purge_line_number_notes): Ditto.
8954 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8955 (rest_of_handle_if_after_reload): Ditto.
8956 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8957 (tree_ssa_loop_im): Ditto.
8958 (tree_ssa_loop_unswitch): Ditto.
8959 (tree_vectorize): Ditto.
8960 (tree_linear_transform): Ditto.
8961 (tree_ssa_loop_ivcanon): Ditto.
8962 (tree_ssa_empty_loop): Ditto.
8963 (tree_ssa_loop_bounds): Ditto.
8964 (tree_complete_unroll): Ditto.
8965 (tree_ssa_loop_prefetch): Ditto.
8966 (tree_ssa_loop_ivopts): Ditto.
8967 (tree_ssa_loop_done): Ditto.
8968 * predict.c (tree_estimate_probability): Ditto.
8969 * recog.c (split_all_insns_noflow): Ditto.
8970 (rest_of_handle_peephole2): Ditto.
8971 (rest_of_handle_split_all_insns): Ditto.
8972 * tree-eh.c (lower_eh_constructs): Ditto.
8973 * regmove.c (rest_of_handle_regmove): Ditto.
8974 (rest_of_handle_stack_adjustments): Ditto.
8975 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8976 * function.c (instantiate_virtual_regs): Ditto.
8977 (init_function_for_compilation): Ditto.
8978 (rest_of_handle_check_leaf_regs): Ditto.
8979 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8980 (rest_of_handle_gcse): Ditto.
8981 * ipa-type-escape.c (type_escape_execute): Ditto.
8982 * alias.c (rest_of_handle_cfg): Ditto.
8983 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8984 * profile.c (rest_of_handle_branch_prob): Ditto.
8985 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8986 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8987 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8988 * tree-dfa.c (find_referenced_vars): Ditto.
8989 * except.c (set_nothrow_function_flags): Ditto.
8990 (convert_to_eh_region_ranges): Ditto.
8991 (rest_of_handle_eh): Ditto.
8992 * emit-rtl.c (unshare_all_rtl): Ditto.
8993 (remove_unnecessary_notes): Ditto.
8994 * except.h (set_nothrow_function_flags): Ditto.
8995 (convert_to_eh_region_ranges): Ditto.
8996 * cfgexpand.c (tree_expand_cfg): Ditto.
8997 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8998 * tree-ssa-pre.c (do_pre): Ditto.
8999 (execute_fre): Ditto.
9000 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9001 (rest_of_handle_jump2): Ditto.
9002 * tree-sra.c (tree_sra): Ditto.
9003 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9004 (execute_mudflap_function_decls): Ditto.
9005 * tree-ssa-copy.c (do_copy_prop): Ditto.
9006 (do_store_copy_prop): Ditto.
9007 * ipa-prop.h (ipcp_driver): Ditto.
9008 * cfglayout.c (insn_locators_initialize): Ditto.
9009 * tree-ssa-forwprop.c
9010 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9011 * cfglayout.h (insn_locators_initialize): Ditto.
9012 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9013 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9014 (execute_late_warn_uninitialized): Ditto.
9015 * rtl.h (cleanup_barriers): Ditto.
9016 (split_all_insns_noflow): Ditto.
9017 (purge_line_number_notes): Ditto.
9018 (unshare_all_rtl): Ditto.
9019 (remove_unnecessary_notes): Ditto.
9020 (recompute_reg_usage): Ditto.
9021 (variable_tracking_main): Ditto.
9022 * integrate.c (emit_initial_value_sets): Ditto.
9023 * integrate.h (emit_initial_value_sets): Ditto.
9024 * tree-optimize.c (execute_free_datastructures): Ditto
9025 (execute_free_cfg_annotations): Ditto.
9026 (execute_fixup_cfg): Ditto.
9027 (execute_cleanup_cfg_pre_ipa): Ditto.
9028 (execute_cleanup_cfg_post_optimizing): Ditto.
9029 (execute_init_datastructures): Ditto.
9030 * tree-object-size.c (compute_object_sizes): Ditto.
9031 * combine.c (rest_of_handle_combine): Ditto.
9032 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9033 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9034 (rest_of_handle_reorder_blocks): Ditto.
9035 (rest_of_handle_partition_blocks): Ditto.
9036 * var-tracking.c (variable_tracking_main): Ditto.
9037 * tree-profile.c (tree_profiling): Ditto.
9038 * tree-vect-generic.c (expand_vector_operations): Ditto.
9039 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9040 * sched-rgn.c (rest_of_handle_sched): Ditto.
9041 (rest_of_handle_sched2): Ditto.
9042 * basic-block.h (free_bb_insn): Ditto.
9043 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9044 * tree-cfg.c (execute_build_cfg): Ditto.
9045 (remove_useless_stmts): Ditto.
9046 (split_critical_edges): Ditto.
9047 (execute_warn_function_return): Ditto.
9048 (execute_warn_function_noreturn): Ditto.
9049 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9050 * cfgrtl.c (free_bb_for_insn): Ditto.
9051 * passes.c (execute_one_pass): Run additional
9052 todos returned by execute function.
9053 * tree-pass.h (struct tree_opt_pass): Make execute
9056 2006-03-02 Richard Guenther <rguenther@suse.de>
9058 * tree-ssa-alias.c (find_used_portions): Consider taking
9059 the address as making the variable not write-only.
9061 2006-03-02 Nick Clifton <nickc@redhat.com>
9063 * config.gcc (default_use_cxa_atexit): Extend the description of
9064 this configure variable. Set its default value to "yes" for
9065 Linux, NetBSD and ELF targets on the assumption that they will
9066 use C libraries with the __cxa_atexit function.
9068 2006-03-02 Ben Elliston <bje@au.ibm.com>
9070 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9071 parameter as unused to suppress a build warning.
9073 2006-03-02 Ben Elliston <bje@au.ibm.com>
9075 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9078 2006-03-01 Roger Sayle <roger@eyesopen.com>
9081 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9082 declared name, the weak reference name, and the typeof name.
9083 (__gthrw): Avoid expanding the declared name suffix.
9084 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9086 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9088 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9090 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9091 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9092 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9093 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9094 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9095 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9096 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9097 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9098 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9099 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9100 (DW_END_default, DW_END_big, DW_END_little): New.
9101 (DW_END_lo_user, DW_END_hi_user): Define.
9102 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9103 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9104 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9107 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9109 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9111 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9113 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9115 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9117 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9118 to 'symbol_mem_tag'.
9120 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9123 2006-03-01 Roger Sayle <roger@eyesopen.com>
9125 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9127 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9130 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9131 MACHO_DYNAMIC_NO_PIC_P.
9132 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9134 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9137 * config/darwin-protos.h (darwin_asm_output_anchor):
9139 * config/darwin-sections.def (cstring_section):
9140 Add SECTION_MERGE to the flags.
9141 (literal4_section): Likewise.
9142 (literal8_section): Likewise.
9143 (objc_selector_refs_section): Likewise.
9144 (objc_cls_refs_section): Likewise.
9145 * config/darwin.c (darwin_asm_output_anchor): New
9147 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9149 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9151 Fix PR tree-optimization/26443
9152 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9153 to todo and PROP_tmt_usage to properties_destroyed.
9154 * tree-ssa-ccp.c (pass_ccp): Ditto.
9155 (pass_store_ccp): Ditto.
9156 * tree-ssa-dom.c (pass_dominator): Ditto.
9158 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9160 * tree-ssa-operands.c: Cleanup whitespace.
9161 (get_asm_expr_operands): Move before first invocation.
9162 (get_indirect_ref_operands): Likewise.
9163 (get_tmr_operands): Likewise.
9164 (get_call_expr_operands): Likewise.
9165 (append_def): Likewise.
9166 (append_use): Likewise.
9167 (append_v_may_def): Likewise.
9168 (append_v_must_def): Likewise.
9169 (add_call_clobber_ops): Likewise.
9170 (add_call_read_ops): Likewise.
9171 (add_stmt_operand): Likewise.
9172 (add_virtual_operand): Likewise.
9173 (build_ssa_operands): Likewise.
9175 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9180 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9181 with a call expr to ...
9182 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9184 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9186 * tree-vrp.c (extract_range_from_assert): Remove special
9187 handling for types with super-types.
9189 2006-03-01 Ben Elliston <bje@au.ibm.com>
9191 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9192 and powerpc64-*-linux* configurations.
9193 * config/t-dfprules: New file.
9195 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9196 Compile dfp-bit.c from the source directory using -DWIDTH and
9197 $DFP_CFLAGS to control the compilation of that file, rather than
9198 generating width-specific versions in the build directory.
9199 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9200 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9202 2006-02-28 Zack Weinberg <zackw@panix.com>
9204 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9207 2006-02-28 Eric Christopher <echristo@apple.com>
9209 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9210 Set up IN_LIBGCC definition of TARGET_64BIT.
9211 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9213 2006-02-28 Roger Sayle <roger@eyesopen.com>
9216 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9217 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9218 cases via the construction of "expr != 0".
9220 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9222 * alias.c (alias_invariant, alias_invariant_size): Remove.
9223 (record_base_value): Remove.
9224 (memrefs_conflict_p): Don't look at alias_invariant.
9225 (end_alias_analysis): Don't free it.
9226 * alias.h (record_base_value): Remove prototype.
9228 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9229 Adam Nemet <anemet@caviumnetworks.com>
9231 * rtl.h (truncated_to_mode): Declare it.
9232 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9233 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9234 (RTL_HOOKS_INITIALIZER): Include it.
9235 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9236 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9237 reg_truncated_to_mode.
9238 * rtlanal.c (truncated_to_mode): Define it.
9239 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9241 2006-02-28 Jeff Law <law@redhat.com>
9243 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9244 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9245 the range allowed by TYPE_PRECISION.
9247 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9249 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9251 PR tree-optimization/26419
9252 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9255 2006-02-27 Zack Weinberg <zackw@panix.com>
9257 * doc/md.texi: Fix typo in previous change.
9259 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9263 2006-02-27 Zack Weinberg <zackw@panix.com>
9265 * rtl.def (define_constraint, define_register_constraint)
9266 (define_memory_constraint, define_address_constraint): New MD forms.
9267 * gensupport.c (process_rtx): Put define_constraint etc on the
9269 * genpreds.c (process_define_predicate): Adjust comment. Validate
9270 the name, and call validate_exp to validate the expression.
9271 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9272 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9273 all callers changed.
9274 (validate_exp, needs_variable, struct constraint_data)
9275 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9276 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9277 (const_dbl_constraints, constraint_max_namelen)
9278 (have_register_constraints, have_memory_constraints)
9279 (have_address_constraints, have_address_constraints)
9280 (have_extra_constraints, have_const_int_constraints)
9281 (have_const_dbl_constraints, mangle, add_constraint)
9282 (process_define_constraint, process_define_register_constraint)
9283 (write_enum_constraint_num, write_lookup_constraint)
9284 (write_insn_constraint_len, write_regclass_for_constraint)
9285 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9286 (write_insn_extra_memory_constraint)
9287 (write_insn_extra_address_constraint)
9288 (write_satisfies_constraint_fns): New.
9289 (write_tm_preds_h): If we have new-style constraint definitions,
9290 prototype the functions generated from them, and define the
9291 old constraint interface (still used by generic code) in terms of
9293 (write_insn_preds_c): If we have new-style constraint definitions,
9294 generate all relevant functions from those definitions.
9295 (main): Handle define_constraint etc.
9296 * genoutput.c (struct constraint_data, indep_constraints)
9297 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9298 (mdep_constraint_len): New data structures and functions, defined
9299 #ifdef USE_MD_CONSTRAINTS.
9300 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9301 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9302 use new logic to validate operand constraints against constraint
9304 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9306 * defaults.h: If none of the old-style constraint macros are
9307 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9308 old-style macros; and poison REG_CLASS_FROM_LETTER,
9309 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9311 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9312 * doc/md.texi: Document new constraint-definition mechanism and the
9313 C interface it provides. Remove references to old mechanism
9314 elsewhere in the document.
9315 (Machine Constraints): Use pathnames relative to gcc directory,
9316 i.e. config/ARCH/FILE. Change i386 section to refer to
9317 config/i386/predicates.md; update that section to match docstrings.
9318 * doc/tm.texi: Move all documentation of the old constraint-
9319 definition macros to their own section, clearly mark as obsolete.
9321 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9322 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9324 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9325 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9326 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9328 (splits and peepholes): Use satisfies_constraint_*.
9329 * config/i386/i386.c (memory_address_length)
9330 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9332 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9334 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9335 scalar operation to be put back into the loop.
9337 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9340 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9341 (extract_cie_info): Handle S flag in augmentation string.
9342 (execute_cfa_program): If context->signal_frame, execute also
9343 fs->pc == context->ra instructions.
9344 (uw_frame_state_for): If context->signal_frame, don't subtract one
9345 from context->ra to find FDE.
9346 (uw_update_context_1): Set context->signal_frame to
9348 (_Unwind_GetIPInfo): New function.
9349 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9350 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9352 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9353 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9354 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9355 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9356 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9357 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9358 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9359 x86_64_fallback_frame_state): Set fs->signal_frame.
9360 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9361 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9362 (frob_update_context): Likewise. Workaround missing S flag in
9363 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9364 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9365 Remove the psw_addr + 1 hack.
9367 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9369 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9370 with aggregates here.
9371 (find_func_aliases): Remove code for &<aggregate> from here.
9373 2006-02-26 Roger Sayle <roger@eyesopen.com>
9375 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9376 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9377 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9380 2006-02-26 Roger Sayle <roger@eyesopen.com>
9383 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9385 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9387 * opts.c (decode_options): Do not handle flag_strength_reduce.
9388 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9389 and OPT_fstrength_reduce.
9390 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9391 flag_prefetch_loop_arrays for being nonzero.
9392 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9394 (fprefetch-loop-arrays-rtl): Removed.
9395 (flag_prefetch_loop_arrays): Do not specify the value.
9397 * doc/passes.texi: Update documentation of loop optimizer
9399 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9400 -frerun-loop-opt): Remove.
9402 2006-02-26 Richard Guenther <rguenther@suse.de>
9404 PR tree-optimization/26421
9405 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9406 in function calls that are ADDR_EXPRs as using the whole structure.
9408 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9410 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9411 * tree-pass.h (pass_loop_optimize): Remove.
9412 * passes.c (pass_loop_optimize): Never run it.
9413 * toplev.c (backend_init): Don't call init_loop.
9414 * opts.c (flag_loop_optimize_set): Remove.
9415 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9416 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9417 the old RTL loop optimizer when profiling enabled.
9418 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9419 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9420 pre-headers for the sake of the old RTL loop optimizer.
9421 * Makefile.in: Remove all references to loop.o.
9423 * doc/invoke.texi: Remove all references to -floop-optimize
9424 and -frerun-loop-opt.
9426 2006-02-26 Zack Weinberg <zackw@panix.com>
9428 * doc/md.texi (Machine Constraints): Refer to all files with paths
9429 relative to gcc directory (i.e. config/CPU/file). Add missing
9430 @table @code ... @end table to M32C subsection.
9432 2006-02-26 Roger Sayle <roger@eyesopen.com>
9434 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9436 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9438 2006-02-26 Roger Sayle <roger@eyesopen.com>
9439 James A. Morrison <phython@gcc.gnu.org>
9442 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9443 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9444 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9445 signedness of the shift operation.
9447 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9449 PR tree-optimization/26359
9450 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9452 2006-02-25 Roger Sayle <roger@eyesopen.com>
9454 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9455 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9456 as X == 0, and some symmetry related transformations.
9457 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9459 2006-02-25 Roger Sayle <roger@eyesopen.com>
9462 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9463 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9464 symmetry related transformations. Fold (X^C1) == C2 as
9467 2006-02-25 Juergen Weigert <jw@suse.de>
9468 Richard Guenther <rguenther@suse.de>
9470 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9472 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9474 * combine.c (gen_lowpart_or_truncate): Call
9475 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9477 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9479 * doc/invoke.texi: Move -fopenmp description to "Options for
9481 Remove reference to -lgomp.
9483 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9485 * doc/install.texi: Require GNU tar version 1.14.
9487 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9489 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9490 * doc/invoke.texi (C++ Dialect Options): Document
9491 -fno-use-cxa-get-exception-ptr.
9492 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9493 * configure: Regenerate.
9494 * c.opt (fuse-cxa-get-exception-ptr): New.
9495 * c-opts.c (c_common_handle_option): Handle
9496 OPT_fuse_cxa_get_exception_ptr.
9497 * c-common.c (flag_use_cxa_atexit): Update documentation.
9498 (flag_use_cxa_get_exception_ptr): New.
9499 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9500 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9502 (C_COMMON_OVERRIDE_OPTIONS): New.
9504 2006-02-24 Roger Sayle <roger@eyesopen.com>
9507 * combine.c (try_combine): Explicitly check whether GET_CODE is
9508 a SET or a CLOBBER, instead on checking that it isn't a USE.
9510 2006-02-24 Roger Sayle <roger@eyesopen.com>
9512 * fold-const.c (fold_comparison): New subroutine of fold_binary
9513 containing transformations common to both the equality and
9514 ordering relational operators, factored out of fold_binary.
9515 (fold_binary): Separate out the equality operators (EQ_EXPR
9516 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9517 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9518 transformations common to both.
9519 (fold_div_compare): Fix latent bugs in the previously unreachable
9520 LT_EXPR and GE_EXPR cases.
9522 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9524 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9525 decl libname for clog to __clog on AIX.
9527 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9529 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9532 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9533 output traceback table for thunks. Localise rs6000_stack_info call.
9535 2006-02-23 Roger Sayle <roger@eyesopen.com>
9536 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9538 * gthr-posix.h (__gthrw): Fix typo in comment.
9540 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9542 * doc/cpp.texi (Character sets): Document that we do support
9543 input files to be in any character set.
9545 2006-02-23 Jeff Law <law@redhat.com>
9547 * tree.h (PHI_ARG_NONZERO): Remove.
9548 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9549 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9550 node to the new node.
9552 PR tree-optimization/26425
9553 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9554 min/max, then assume its varying.
9556 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9558 PR rtl-optimization/26316
9559 * rtlanal.c (enum may_trap_p_flags): New.
9560 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9561 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9562 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9563 (may_trap_after_code_motion_p): New function.
9564 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9565 (find_invariant_insn): Use may_trap_after_code_motion_p.
9566 * rtl.h (may_trap_after_code_motion_p): Declare.
9568 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9570 * emit-rtl.c (immed_double_const): Cleanup.
9572 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9574 Fix PR tree-optimization/26376
9575 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9578 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9581 * gimplify.c (omp_add_variable): Guard variable size decl test with
9582 DECL_SIZE (decl) check.
9584 2006-02-23 Richard Guenther <rguenther@suse.de>
9587 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9588 like aggregate types.
9590 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9592 * configure.ac: Add --with{,out}-long-double-128 configure option.
9593 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9594 * configure: Rebuilt.
9595 * config.in: Rebuilt.
9596 * doc/install.texi (Options specification): Document
9597 --with-long-double-128.
9599 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9600 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9601 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9602 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9604 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9606 * config/s390/s390.c (override_options): Handle
9607 TARGET_DEFAULT_LONG_DOUBLE_128.
9609 * config/alpha/alpha.c (override_options): Handle
9610 TARGET_DEFAULT_LONG_DOUBLE_128.
9612 * config/sparc/sparc.c (sparc_override_options): Handle
9613 TARGET_DEFAULT_LONG_DOUBLE_128.
9615 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9617 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9618 (real-install-headers-tar, real-install-headers-cpio)
9619 (real-install-headers-cp): New targets.
9621 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9623 * tree.h (variable_section): Delete.
9624 * varasm.c (variable_section): Delete.
9626 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9628 * install.texi: Add notes on install.texi2html.
9629 (Building in parallel): Do not use footnotes.
9631 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9634 * doc/install.texi (Configuration): Document --disable-libgomp.
9636 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9638 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9640 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9642 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9643 (vec_extractv2df_0_sse): New.
9645 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9647 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9648 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9649 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9650 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9651 to the result of the expression.
9652 (def_cfa_1): Adjust.
9653 (frame_pointer_cfa_offset): Rename to...
9654 (frame_pointer_fb_offset): ... this. Adjust all uses.
9655 (convert_cfa_to_loc_list): Rename to...
9656 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9657 Pass it on to build_cfa_loc.
9658 (compute_frame_pointer_to_cfa_displacement): Rename to...
9659 (compute_frame_pointer_to_fb_displacement): ... this. New
9660 offset parameter. Use it in computation.
9661 (gen_subprogram_die): Compute cfa_fb_offset with the new
9662 macro, and use it to compute the fb loc list and the
9665 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9667 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9668 replaced with register_operand.
9669 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9670 non-DREG is expensive.
9671 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9672 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9675 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9677 * doc/install.texi2html: Use set -e.
9679 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9681 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9682 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9683 * doc/invoke.texi (-fshared-data): Delete.
9684 * common.opt (fshared-data): Delete.
9685 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9686 (assemble_static_space): Remove #if 0 code.
9687 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9688 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9689 * config/cris/cris.h: Remove FIXME.
9691 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9693 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9696 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9699 * combine.c (simplify_shift_const_1): Disable nested shifts
9700 optimization for vector shifts.
9702 2006-02-20 Roger Sayle <roger@eyesopen.com>
9704 PR tree-optimization/26361
9705 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9706 of unsigned integer types.
9708 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9710 * tree-chrec.c (eq_evolutions_p): New.
9711 * tree-chrec.h (eq_evolutions_p): Declared.
9712 * tree-data-ref.c: Fix formatting.
9713 (datadep_stats, dependence_stats): New.
9715 (print_direction_vector): New.
9716 (dump_data_dependence_relation): Use print_direction_vector.
9717 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9718 (compute_subscript_distance): Static.
9719 (initialize_data_dependence_relation): Static. Get the number
9720 of loops surrounding the references from the callers, and initialize
9721 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9722 base_object_differ_p analyzers.
9723 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9724 compute_overlap_steps_for_affine_1_2,
9725 analyze_subscript_affine_affine): Count the classified dependences.
9726 Print a message when a test failed.
9727 (can_use_analyze_subscript_affine_affine): New.
9728 (analyze_siv_subscript): Compute the data dependences on symbolic
9729 scevs that verify can_use_analyze_subscript_affine_affine.
9730 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9731 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9732 Handle symbolic scevs.
9733 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9735 (subscript_dependence_tester): Moved...
9736 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9737 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9738 DDR_SIZE_VECT instead of getting it in parameter.
9739 (subscript_dependence_tester): ... here. Take as a parameter
9740 loop_nest_depth. Call build_classic_dist_vector and
9741 build_classic_dir_vector.
9742 (compute_affine_dependence): Update subscript_dependence_tester
9743 parameters. Update datadep_stats counters. Call
9744 compute_subscript_distance.
9745 (compute_self_dependence): Save the dist and dir vectors. Call
9746 compute_subscript_distance.
9747 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9748 (compute_all_dependences): Reorder parameters as they were before
9749 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9750 compute_subscript_distance. Update the use of
9751 compute_affine_dependence and initialize_data_dependence_relation.
9752 (find_data_references_in_loop): Handle COMPONENT_REF.
9753 (compute_data_dependences_for_loop): Initialize dependence_stats.
9754 Don't call build_classic_dist_vector and build_classic_dir_vector.
9755 Update the parameters of initialize_data_dependence_relation and
9756 compute_all_dependences. Print the statistics from datadep_stats.
9757 (analyze_all_data_dependences): Static. Not used until the pass for
9758 checking the data dependences is contributed.
9759 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9760 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9761 (initialize_data_dependence_relation, compute_affine_dependence,
9762 analyze_all_data_dependences, compute_subscript_distance): Removed.
9763 (print_direction_vector): New.
9764 * lambda.h (gcd): ... here.
9765 (lambda_vector_gcd): Moved here from gcd_vector.
9766 * lambda-code.c (gcd, gcd_vector): Removed.
9767 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9768 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9770 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9772 * ipa-type-escape.c: Tidy some comments and white space.
9773 * tree-ssa-operands.c: Likewise.
9775 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9778 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9779 (dump_decl_name): Do not walk the decl tree chains.
9780 * tree-pass.h (TDF_CHAIN): Remove.
9782 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9784 * Makefile.in (C): Remove
9786 (.PHONY): Remove C and PROTO
9788 2006-02-20 Roger Sayle <roger@eyesopen.com>
9791 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9792 deprecated CHAR_TYPE tree code.
9794 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9796 * configure.ac (target_list): Add install-info, dvi, html.
9797 * configure: Regenerate.
9799 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9800 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9801 treelang/Make-lang.in: Do not use double-colon rules.
9803 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9805 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9806 (TMT_USED_ALONE): New macro.
9807 * tree-pass.h (PROP_tmt_usage): New property.
9808 (TODO_update_tmt_usage): New todo.
9809 * tree-ssa-alias.c (updating_used_alone): New variable.
9810 (recalculate_used_alone): New function.
9811 (compute_may_aliases): Set updating_used_alone, call
9812 recalculate_used_alone.
9813 * tree-sra.c (pass_sra): Note that this pass destroys
9814 PROP_tmt_usage, and add TODO_update_tmt_usage.
9815 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9816 * tree-flow.h (updating_used_alone): Prototype.
9817 (recalculate_used_alone): Ditto.
9818 * passes.c (execute_todo): Add code to set updating_used_alone,
9819 and call recalculate.
9820 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9821 for clobber if used alone, and add assert to verify used_alone
9824 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9826 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9827 for non tls symbols added.
9828 (legitimize_address): Do nothing for PLUS expressions if one of the
9829 addends is a tls symbol reference.
9831 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9835 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9837 * Makefile.in (BOOTSTRAPPING): New.
9838 (quickstrap): New definition if BOOTSTRAPPING=yes.
9840 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9841 * configure.ac: Substitute all_selected_languages with the languages
9842 that were configured. For all the other variables except
9843 lang_specs_files, include all the languages in the tree.
9844 * configure: Regenerate.
9846 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9847 if there is one. Run the commands to run fixincludes in the same
9850 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9851 * doc/install.texi: Document exact conventions for searching target tools.
9852 Document --with-build-time-tools. Document toplevel bootstrap. Document
9853 something more about building an Ada cross-compiler. Don't list GNU Make
9854 requirements which affect all platforms.
9856 2006-02-19 Roger Sayle <roger@eyesopen.com>
9859 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9860 only equivalent if the have both the same mode and precision.
9862 2006-02-20 Ben Elliston <bje@au.ibm.com>
9864 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9866 2006-02-19 Roger Sayle <roger@eyesopen.com>
9867 Steven Bosscher <stevenb.gcc@gmail.com>
9869 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9870 constant pool references to identify stack mode constants.
9871 * rtlanal.c (constant_pool_constant_p): New predicate to check
9872 whether operand is a floating point constant in the pool.
9873 * rtl.h (constant_pool_constant_p): Prototype here.
9874 * loop.c (scan_loop): Avoid hoisting constants from the constant
9875 pool on STACK_REGS targets.
9876 (load_mems): Likewise.
9877 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9878 loads into x87 registers expensive in terms of register pressure.
9880 2006-02-19 Roger Sayle <roger@eyesopen.com>
9882 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9883 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9885 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9887 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9888 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9890 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9892 * doc/invoke.texi: Document -fipa-pta.
9893 * common.opt: Add ipa-pta option.
9894 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9895 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9896 (do_ds_constraint): Ditto.
9897 (get_constraint_for): Only add to referenced_vars if
9898 referenced_vars exists.
9899 (insert_into_field_list): Rewrite to do this unsorted.
9900 (insert_into_field_list_sorted): Rename old insert_into_field_list
9902 (create_function_info_for): Use insert_into_field_list_sorted.
9903 (create_variable_info_for): Rewrite so it uses unsorted version,
9904 since the field list is sorted.
9905 (intra_create_variable_infos): Only add to referenced_vars if
9906 referenced_vars exists.
9907 (ipa_pta_execute): Init heapvars, and delete when done.
9908 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9910 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9912 * doc/install.texi: Add missing `@samp'.
9914 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9916 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9919 2006-02-18 Mark Wielaard <mark@klomp.org>
9921 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9922 who added new 4.1 features, bug fixes and integration support.
9924 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9927 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9930 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9932 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9933 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9934 (copy_insn_1): Likewise. Don't copy each field individually.
9936 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9938 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9939 * rtl.c (rtx_size): Rename variable to...
9940 (rtx_code_size): ...this.
9941 (rtx_size): New function.
9942 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9943 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9945 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9946 * rtl.h (rtx_code_size): New variable.
9947 (rtx_size): Change from a variable to a function.
9948 (RTX_SIZE): Rename to...
9949 (RTX_CODE_SIZE): ...this.
9952 PR tree-optimization/17106
9953 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9954 (Anchored Addresses): New section.
9955 * doc/invoke.texi (-fsection-anchors): Document.
9956 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9957 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9958 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9959 * hooks.c (hook_bool_mode_rtx_false): New function.
9960 * hooks.h (hook_bool_mode_rtx_false): Declare.
9961 * gengtype.c (create_optional_field): New function.
9962 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9963 SYMBOL_REF_IN_BLOCK_P is true.
9964 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9965 (min_anchor_offset, max_anchor_offset): Likewise.
9966 (use_anchors_for_symbol_p): New hook.
9967 * toplev.c (compile_file): Call output_object_blocks.
9968 (target_supports_section_anchors_p): New function.
9969 (process_options): Check that -fsection-anchors is only used on
9970 targets that support it and when -funit-at-a-time is in effect.
9971 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9972 if the decl doesn't have one.
9973 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9974 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9975 of force_const_mem through use_anchored_address.
9976 (expand_expr_constant): New function.
9977 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9978 calling expand_expr for INDIRECT_REF.
9979 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9980 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9981 * expr.h (use_anchored_address): Declare.
9982 * loop-unroll.c: Don't declare rtx vectors here.
9983 * explow.c: Include output.h.
9984 (validize_mem): Call use_anchored_address.
9985 (use_anchored_address): New function.
9986 * common.opt (-fsection-anchors): New switch.
9987 * varasm.c (object_block_htab, anchor_labelno): New variables.
9988 (hash_section, object_block_entry_eq, object_block_entry_hash)
9989 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9990 (use_blocks_for_decl_p, change_symbol_section): New functions.
9991 (get_variable_section): New function, split out from assemble_variable.
9992 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9993 use_blocks_for_decl_p say so. Use change_symbol_section if the
9994 symbol has already been created.
9995 (assemble_variable_contents): New function, split out from...
9996 (assemble_variable): ...here. Don't output any code for
9997 block symbols; just pass them to place_block_symbol.
9998 Use get_variable_section and assemble_variable_contents.
9999 (get_constant_alignment, get_constant_section, get_constant_size): New
10000 functions, split from output_constant_def_contents.
10001 (build_constant_desc): Create a block symbol if use_object_blocks_p
10002 says so. Or into SYMBOL_REF_FLAGS.
10003 (assemble_constant_contents): New function, split from...
10004 (output_constant_def_contents): ...here. Don't output any code
10005 for block symbols; just pass them to place_section_symbol.
10006 Use get_constant_section and get_constant_alignment.
10007 (force_const_mem): Create a block symbol if use_object_blocks_p and
10008 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10009 (output_constant_pool_1): Add an explicit alignment argument.
10010 Don't switch sections here.
10011 (output_constant_pool): Adjust call to output_constant_pool_1.
10012 Switch sections here instead. Don't output anything for block symbols;
10013 just pass them to place_block_symbol.
10014 (init_varasm_once): Initialize object_block_htab.
10015 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10016 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10017 (place_block_symbol, get_section_anchor, output_object_block)
10018 (output_object_block_htab, output_object_blocks): New functions.
10019 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10020 (TARGET_ASM_OUT): Include it.
10021 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10022 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10023 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10024 (TARGET_INITIALIZER): Include them.
10025 * rtl.c (rtl_check_failed_block_symbol): New function.
10026 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10027 (block_symbol, object_block): New structures.
10028 (rtx_def): Add a block_symbol field to the union.
10029 (BLOCK_SYMBOL_CHECK): New macro.
10030 (rtl_check_failed_block_symbol): Declare.
10031 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10032 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10033 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10034 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10035 * output.h (output_section_symbols): Declare.
10036 (object_block): Name structure.
10037 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10038 (default_use_anchors_for_symbol_p): Declare.
10039 * Makefile.in (RTL_BASE_H): Add vec.h.
10040 (explow.o): Depend on output.h.
10041 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10042 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10043 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10044 (rs6000_use_blocks_for_constant_p): New function.
10046 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10048 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10050 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10053 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10056 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10058 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10062 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10064 PR middle-end/26334
10065 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10066 instead of DECL_REGISTER.
10068 2006-02-18 Olivier Hainque <hainque@adacore.com>
10071 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10073 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10076 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10077 * opth-gen.awk: Handle Var and InverseMask together.
10078 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10079 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10080 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10081 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10083 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10084 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10085 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10086 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10087 LINUX_DYNAMIC_LINKER): Define.
10088 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10089 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10091 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10092 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10093 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10094 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10095 (TARGET_C99_FUNCTIONS): Don't define.
10096 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10097 GLIBC_DYNAMIC_LINKER.
10098 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10099 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10100 GLIBC_DYNAMIC_LINKER64): Define.
10101 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10102 LINUX_DYNAMIC_LINKER64.
10103 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10104 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10105 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10106 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10107 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10108 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10109 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10110 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10111 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10112 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10113 and LINUX_DYNAMIC_LINKER32.
10114 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10115 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10116 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10117 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10118 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10120 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10121 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10122 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10123 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10124 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10125 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10126 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10127 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10128 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10129 LINUX_DYNAMIC_LINKER): Define.
10130 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10131 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10132 GLIBC_DYNAMIC_LINKER64): Define.
10133 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10134 LINUX_DYNAMIC_LINKER64.
10135 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10136 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10137 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10138 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10139 LINUX_DYNAMIC_LINKER): Define.
10140 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10141 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10142 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10143 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10144 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10145 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10146 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10147 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10148 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10149 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10150 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10151 * doc/invoke.texi (-muclibc): Remove caveat about supported
10154 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10156 * doc/cpp.texi (__TIMESTAMP__): Document.
10158 2006-02-17 Roger Sayle <roger@eyesopen.com>
10160 PR middle-end/25600
10161 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10162 C is one less than the width of X (and related transformations).
10163 * simplify-rtx.c (simplify_unary_operation_1): Transform
10164 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10165 depending on STORE_FLAG_VALUE, were C is one less then the
10168 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10170 Fix PR tree-optimization/26341
10171 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10172 about NAME_MEMORY_TAG's.
10174 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10177 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10178 with hardware float support, and software float support. Add fcpy
10179 alternative to hardware patterns. Add alternatives to copy between
10180 general and floating-point registers to the 32-bit pattern.
10181 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10182 secondary reload to load a QI or HI mode constant into a floating
10184 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10185 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10187 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10190 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10192 (load_macho_picbase_di): Likewise.
10194 2006-02-16 Jeff Law <law@redhat.com>
10196 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10197 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10198 (ssa_name_nonzero_p): Likewise.
10199 (get_value_range): Return NULL if VRP is not running.
10200 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10201 VRP routines do not discover a range.
10202 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10203 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10204 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10205 (tree_expr_nonnegative_p): Similarly.
10206 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10207 (restore_nonzero_vars_to_original_value): Remove.
10208 (unsafe_associative_fp_binop): Remove.
10209 (tree_ssa_dominator_optimize): Remove initialization and
10210 finalization of nonzero_vars and nonzero_vars_stack.
10211 (dom_opt_initialize_block): No longer push marker on
10212 nonzero_vars_stack.
10213 (dom_opt_finalize_block): No longer call
10214 restore_nonzero_vars_to_original_value.
10215 (record_equivalences_from_phis): No longer look for
10216 nonzero PHI arguments.
10217 (cprop_into_successor_phis): No longer propagate nonzero
10218 property into PHI arguments. Lose unused argument. Caller
10220 (record_equivalences_from_stmt): No longer record nonzero
10221 values for SSA_NAMEs.
10222 (lookup_avail_expr): No longer use nonzero_vars.
10224 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10225 for sizetype when sizetype is unsigned.
10227 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10229 PR rtl-optimization/25603
10230 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10231 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10232 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10233 with new meaning of SETS.
10235 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10240 * config/linux.opt: New file.
10241 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10242 LINUX_DYNAMIC_LINKER): Define.
10243 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10244 * config.gcc (*-*-linux*): Define extra_options.
10245 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10246 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10247 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10248 GLIBC_DYNAMIC_LINKER.
10249 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10250 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10251 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10252 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10253 * doc/invoke.texi (GNU/Linux Options): New section.
10255 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10257 * config/sparc/sparc.md (setjmp): Rewrite.
10258 (setjmp_32): Delete.
10259 (setjmp_64): Likewise.
10261 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10263 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10266 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10268 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10271 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10273 PR rtl-optimization/26296
10274 * Makefile.in (loop-invariant.c): Add except.h dependency.
10275 * loop-invariant.c: Include except.h.
10276 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10278 2005-02-16 Paul Brook <paul@codesourcery.com>
10280 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10283 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10285 PR rtl-optimization/25636
10286 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10287 when deciding whether an insn is an initializing insn.
10289 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10291 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10292 (tree_code_size): Ditto.
10293 * tree.h (struct tree_memory_tag): Remove parent_var.
10294 (struct tree_struct_field_tag): New.
10297 (union tree_node): Add sft member.
10298 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10300 (create_sft): Add size and offset argument, set SFT_OFFSET and
10302 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10303 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10304 * tree-flow-inline.h (get_subvar_at): Update for
10305 SFT_OFFSET/SFT_SIZE.
10306 (var_can_have_subvars): Ditto.
10307 (overlap_subvar): Ditto.
10308 * print-tree.c (print_node): Print out interesting things for
10310 * tree-flow.h (struct subvar): Remove offset and size members.
10311 * tree-ssa-operands.c (get_expr_operands): Update for
10312 get_indirect_ref_operands changes.
10313 (get_indirect_ref_operands): Call add_virtual_operand instead of
10314 add_stmt_operand. Only recurse on base var if requested.
10315 (access_can_touch_variable): New function.
10316 (add_stmt_operand): Split virtual operand handling into ...
10317 (add_virtual_operand): Here. Add offset, size, and for_clobber
10318 arguments. Prune alias sets.
10319 (add_call_clobber_ops): Call add_virtual_operand.
10321 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10323 PR middle-end/26300
10324 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10326 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10327 than TREE_CODE as index into omp_clause_num_ops array.
10329 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10331 PR rtl-optimization/26184
10332 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10334 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10335 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10336 must_precede, must_follow and tobe_scheduled.
10339 * opts.c (common_handle_option): Free new_option pointer.
10340 * df-core.c (df_analyze): Free postorder pointer.
10342 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10344 * Makefile.in: Fix the examples about the use of stamps
10346 2006-02-15 Michael Matz <matz@suse.de>
10348 PR middle-end/22275
10350 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10351 influenced by maximum_field_alignment or DECL_PACKED.
10352 (update_alignment_for_field): Ditto.
10353 (place_field): Ditto.
10354 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10357 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10359 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10360 (debug_flow_info): Pass it.
10361 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10362 * bb-reorder.c (reorder_basic_blocks): Likewise.
10363 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10364 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10365 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10366 * gcse.c (gcse_main, bypass_jumps): Likewise.
10367 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10368 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10369 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10370 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10371 * rtl.h (dump_flow_info): Adjust prototype.
10372 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10373 * var-tracking.c (variable_tracking_main): Likewise.
10374 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10375 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10378 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10380 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10383 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10385 PR tree-optimization/26209
10386 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10387 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10389 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10391 2006-02-14 Roger Sayle <roger@eyesopen.com>
10393 PR middle-end/23670
10394 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10395 (X,Y) and the corresponding symmetry related transformations.
10396 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10397 (X,Y) and its symmetry related transformations.
10399 2006-02-14 Roger Sayle <roger@eyesopen.com>
10401 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10404 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10406 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10408 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10411 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10412 support COMDAT group.
10413 * configure: Regenerate.
10415 2006-02-14 Roger Sayle <roger@eyesopen.com>
10417 PR middle-end/26279
10418 PR middle-end/26280
10419 PR middle-end/26283
10420 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10422 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10424 Fix PR tree-optimization/26260
10426 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10428 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10429 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10430 * tree-ssa-structalias.c (create_variable_info_for): Use
10431 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10433 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10435 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10437 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10438 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10439 of the ending condition.
10440 * tree-ssa-loop-manip.c: Include params.h.
10441 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10442 tree_unroll_loop): New functions.
10443 * tree-pass.h (pass_loop_prefetch): Declare.
10444 * loop.c (rest_of_handle_loop_optimize): Test for
10445 -fprefetch-loop-arrays-rtl.
10446 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10447 * timevar.def (TV_TREE_PREFETCH): New timevar.
10448 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10449 pass_loop_prefetch): New.
10450 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10451 (cleanup_tree_cfg_loop): Call scev_reset.
10452 * common.opt (fprefetch-loop-arrays-rtl): Add.
10453 * tree-ssa-loop-prefetch.c: New file.
10454 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10455 (new_temp_expr_table): Initialize expr_vars.
10456 (free_temp_expr_table): Cleanup expr_vars.
10457 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10458 expressions from being merged into one.
10459 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10460 (struct tree_niter_desc): Add control, bound and cmp fields.
10461 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10463 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10464 (tree-cfgcleanup.o): Add SCEV_H dependency.
10465 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10466 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10468 2006-02-14 Richard Guenther <rguenther@suse.de>
10470 PR tree-optimization/26258
10471 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10472 in PHI argument processing.
10474 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10476 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10477 new expression in the requested machine mode.
10479 2006-02-13 Roger Sayle <roger@eyesopen.com>
10481 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10482 directly, instead let do_compare_rtx_and_jump handle this for us.
10483 * expr.c (expand_expr_real_1): Likewise.
10484 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10485 before do_jump_by_parts_greater.
10486 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10487 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10489 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10491 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10493 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10495 PR rtl-optimization/26235
10496 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10497 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10500 2006-02-13 Jeff Law <law@redhat.com>
10502 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10505 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10507 PR middle-end/26092
10508 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10509 twice if decl is a builtin. When trying again, call get_callee_fndecl
10510 first to verify it is still a builtin.
10512 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10514 * dwarf2out.c (base_type_die): Don't add AT_name here.
10515 (subrange_type_die): Don't add AT_name here.
10516 (modified_type_die): Rearrange code flow. Do add AT_name here.
10518 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10520 PR rtl-optimization/26247
10521 PR rtl-optimization/26248
10522 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10524 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10526 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10527 * config/fixtfdi.c: Likewise.
10528 * config/fixunstfdi.c: Likewise.
10529 * config/floatditf.c: Likewise.
10531 2006-02-13 Roger Sayle <roger@eyesopen.com>
10533 PR middle-end/24427
10534 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10535 into (X,C2) if C1 is a subset of the bits of C2. Transform
10536 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10538 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10540 2006-02-13 Josh Conner <jconner@apple.com>
10543 * varasm.c (function_section): Check for section name before
10544 calling select_section on targets that define
10545 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10546 unlikely_text_section instead of hot_function_section if
10547 first_function_block_is_cold.
10549 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10551 PR middle-end/25335
10552 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10554 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10556 PR rtl-optimization/26222
10557 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10558 after tree->rtl expansion.
10559 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10560 before passing it to emit_move_insn.
10562 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10564 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10566 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10567 Clarify documentation.
10568 * c-common.h (warn_write_strings): Remove.
10569 * c-common.c (warn_write_strings): Likewise.
10570 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10573 2006-02-12 Roger Sayle <roger@eyesopen.com>
10575 PR middle-end/25724
10576 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10577 (do_jump_parts_zero_rtx): New function renamed from
10578 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10579 (do_jump_parts_equality_rtx): New function split out from
10580 do_jump_parts_equality. Old implementation renamed as above.
10581 Call do_jump_parts_zero_rtx if either operand is zero.
10582 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10583 do all of the heavy lifting.
10584 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10585 calling either do_jump_by_parts_greater_rtx or
10586 do_jump_by_parts_equality_rtx.
10587 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10588 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10589 moved to do_compare_rtx_and_jump, call it directly.
10590 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10591 mode argument. Call do_compare_rtx_and_jump.
10592 (emit_case_nodes): Update calls to do_jump_if_equal.
10594 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10596 PR rtl-optimization/26225
10597 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10599 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10601 PR rtl-optimization/26232
10602 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10604 2006-02-11 Jason Merrill <jason@redhat.com>
10607 * tree-inline.c (declare_return_variable): Just don't use the
10608 modify target if it's a gimple complex reg and the return slot
10611 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10613 * doc/contrib.texi: Update my entry.
10615 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10617 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10619 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10621 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10624 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10626 * doc/invoke.texi (-floop-optimize2): Removed.
10627 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10628 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10629 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10630 * common.opt (floop-optimize2): Removed.
10631 (fmove-loop-invariants): Enabled by default.
10633 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10635 * tree-if-conv.c (combine_blocks): Free the result of
10636 get_loop_exit_edges.
10638 2006-02-10 Jeff Law <law@redhat.com>
10640 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10642 PR tree-optimization/26213
10643 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10644 loop trying to follow SSA_NAME_VALUE chains.
10646 2006-02-10 Richard Guenther <rguenther@suse.de>
10648 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10649 deal with structures that end in implicitly variable sized arrays.
10651 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10653 PR rtl-optimization/24762
10654 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10657 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10659 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10660 (struct ivopts_data): Add regs_used field.
10661 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10662 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10663 instead of loop_data->regs_used;
10664 (free_loop_data): Do not free aux fields for loops.
10665 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10666 and tree_ssa_iv_optimize_finalize.
10668 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10670 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10672 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10675 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10676 computing the effective result type.
10678 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10680 PR inline-asm/16194
10681 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10682 (tree_overlaps_hard_reg_set): Declare.
10683 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10684 type and signature to match function type expected by walk_tree.
10685 (tree_overlaps_hard_reg_set): New function.
10686 (decl_conflicts_with_clobbers_p): Rename to:
10687 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10688 Use tree_overlaps_hard_reg_set. Changed caller.
10689 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10690 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10691 * cris.c (cris_md_asm_clobbers): Likewise.
10693 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10695 * reload1.c (emit_input_reload_insns): Delete code that tries to
10696 inherit using find_equiv_reg.
10698 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10700 * c-common.h (flag_const_strings): Don't declare.
10701 * c-common.c (flag_const_strings): Remove.
10702 * c.opt (fconst_strings): Remove.
10703 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10704 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10705 (c_common_init_options): Don't set flag_const_strings.
10706 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10708 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10710 * arm.md (tlobits_cbranch): New pattern.
10711 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10712 testing a single bit.
10714 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10717 * tree-ssa-pre.c (create_component_ref_by_pieces):
10718 Handle RETURN_DECL like VAR_DECL.
10720 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10722 PR middle-end/26134
10723 * fold-const.c (fold_indirect_ref_1): Fold
10724 "*(foo *)&complexfoo" to "__real__ complexfoo"
10725 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10727 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10729 * tree-flow-inline.h (var_can_have_subvars):
10730 Volatile variables should not have subvariables.
10732 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10735 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10736 multiplying unsigned values.
10739 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10741 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10743 2006-02-08 Jason Merrill <jason@redhat.com>
10746 * tree.def: Elaborate on difference from MODIFY_EXPR.
10747 * doc/c-tree.texi (INIT_EXPR): Likewise.
10748 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10749 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10750 (gimplify_target_expr): Likewise.
10751 (gimplify_cond_expr): Remove target handling.
10752 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10753 (gimplify_expr): Clobber it here.
10754 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10755 Do return slot optimization if we have an INIT_EXPR.
10758 * tree-inline.c (declare_return_variable): Also clear
10759 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10762 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10764 PR middle-end/22439
10765 * gimplify.c (gimplify_one_sizepos): Fix typo.
10767 2006-02-08 Jeff Law <law@redhat.com>
10769 PR tree-optimization/21417
10770 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10771 across a backedge if the control statement at the end of the
10772 block is data dependent on other statements in the same block.
10773 (record_temporary_equivalences_from_stmts): Remove over-conservative
10774 test for threading across backedges.
10776 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10777 control statement, handle all three special cases in the same
10778 manner as they all have the same desired solution. No longer
10779 special case edge flag updating when the post dominator is
10782 2006-02-08 Roger Sayle <roger@eyesopen.com>
10784 * tree.def (CHAR_TYPE): Remove.
10785 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10786 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10787 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10788 (gen_string_type_die): Delete unreachable function.
10790 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10791 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10792 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10793 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10794 * builtins.c (type_to_class): Likewise.
10795 * fold-const.c (fold_convert, build_range_check,
10796 merge_ranges): Likewise.
10797 * expr.c (count_type_elements): Likewise.
10798 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10799 * stor-layout.c (layout_type): Likewise.
10800 * ipa-type-escape.c (type_to_consider): Likewise.
10801 * gimplify.c (omp_firstprivatize_type_sizes,
10802 gimplify_type_sizes): Likewise.
10803 * explow.c (promote_mode): Likewise.
10804 * tree-sra.c (is_sra_scalar_type): Likewise.
10805 * varasm.c (output_constant): Likewise.
10806 * tree-inline.c (remap_type_1): Likewise.
10807 * convert.c (convert_to_pointer, convert_to_real,
10808 convert_to_integer, convert_to_complex): Likewise.
10810 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10812 * df-scan.c (df_def_record_1): A set destination may
10813 be a parallel regardless of mode.
10815 2006-02-08 Roger Sayle <roger@eyesopen.com>
10818 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10819 * config/mips/_tilib.c: Remove.
10820 * config/fixtfdi.c: New libgcc source file.
10821 * config/fixunstfdi.c: New source file.
10822 * config/floatditf.c: New source file.
10823 * config/floatunditf.c: New souce file.
10824 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10825 files above instead of config/mips/_tilib.c.
10826 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10828 2006-02-08 Jeff Law <law@redhat.com>
10830 PR tree-optimization/26169
10831 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10834 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10836 * df.h (DF_REG_SIZE): Return the length of the initialized
10839 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10841 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10842 __muldf3): Return a correctly signed zero.
10844 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10846 * passes.c (register_one_dump_file): Accept the current properties
10847 instead of pass number. Adjust call to dump_register. Remove
10849 (register_dump_files): Now a wrapper around...
10850 (register_dump_files_1): ... this one. Do not modify the pass
10852 (next_pass_1): Cosmetic fix.
10853 (execute_todo): Keep second parameter only. Use curr_properties
10854 instead of fetching it from the pass structure. Check and set
10856 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10857 instead of fetching it from the pass structure. Fix calls to
10858 execute_todo. Update curr_properties and initialize .vcg RTL dump
10859 after running the pass. Reset last_verified.
10860 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10862 (FIRST_AUTO_NUMBERED_DUMP): New.
10863 (dump_register): Remove "num" parameter, assign it within the
10865 (get_dump_file_name): Modify template for dumps.
10866 * tree-dump.h (dump_register): Adjust prototype.
10867 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10868 (PROP_trees): Add PROP_gimple_lomp.
10869 (TODO_set_props): New.
10870 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10871 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10872 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10874 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10876 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10877 (sparc64-*-linux*): Likewise.
10878 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10879 * config/sparc/t-linux: New file.
10880 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10881 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10882 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10883 -m32 -mlong-double-128.
10885 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10886 * config/alpha/t-linux: New file.
10887 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10889 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10890 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10891 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10892 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10893 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10894 (CPP_ARCH32_SPEC): Remove.
10896 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10898 PR tree-optimization/26145
10899 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10902 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10905 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10906 >= 240000 when generating code for SOM runtime.
10907 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10908 to $$dyncall when generating code for SOM runtime..
10910 2006-02-07 Dirk Mueller <dmueller@suse.com>
10913 * doc/invoke.texi (-Wsequence-point): Update documentation
10914 that -Wsequence-point is implemented for C++ as well.
10916 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10918 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10919 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10920 (LIB_SPEC): Likewise.
10921 * doc/invoke.texi (SPARC options): Document -pthread.
10923 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10925 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10928 2006-02-07 Roger Sayle <roger@eyesopen.com>
10930 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10931 Correct comment describing BOOLEAN_TYPE.
10933 2006-02-07 Dirk Mueller <dmueller@suse.com>
10935 * c.opt: C++ frontend supports -Wdiv-by-zero.
10936 * c-opts.c (c_common_handle_option): Remove dead case.
10938 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10940 * configure.ac (TLS assembler check): Do not enable TLS by
10941 default on SPARC/Solaris before version 10.
10942 * configure: Regenerate.
10944 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10946 * doc/invoke.texi (xl-compat): Document conversion and support
10949 2006-02-07 Jeff Law <law@redhat.com>
10951 * tree-vrp.c (find_conditional_asserts): Update comments.
10952 (simplify_stmt_for_jump_threading): New.
10953 (identify_jump_threads, finalize_jump_threads): New.
10954 (vrp_finalize): Call identify_jump_threads.
10955 (execute_vrp): Call finalize_jump_threads.
10956 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10957 (vrp_element, vrp_data, vrp_element_p): Remove.
10958 (vrp_hash_elt, vrp_variables_stack): Remove.
10959 (vrp_hash, vrp_eq, record_range): Remove.
10960 (simplify_cond_and_lookup_avail_expr): Remove.
10961 (extract_range_from_cond): Remove.
10962 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10963 (simplify_stmt_for_jump_threading): New.
10964 (dom_thread_across_edge): New wrapper.
10965 (tree_ssa_dominator_optimize): No longer initialize or
10966 finalize any of the VRP datastructures. Remove iteration
10967 step and simplify as a result of removal of iteration step.
10968 (pass_dominator): Perform a cfg cleanup after DOM.
10969 (dom_opt_finalize_block): Use the new common routines
10970 for threading jumps. Simplify stack management slightly.
10971 No longer need to unwind VRP state.
10972 (record_equivalences_from_incoming_edge): No longer record
10974 (eliminate_redundant_computations): No longer call
10975 simplify_cond_and_lookup_avail_expr.
10976 * tree-flow.h (potentially_threadable_block): Prototype.
10977 (thread_across_edge): Likewise.
10978 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10979 (tree-ssa-threadedge.o): Add dependencies.
10980 * tree-ssa-threadedge.c: New file.
10981 * passes.c (init_optimization_passes): Merge PHIs before
10982 calling VRP. Run VRP again late in the SSA optimization pipeline.
10984 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10986 * df-core.c (df_set_blocks): Do not dereference function pointers.
10987 (df_finish1): Likewise.
10988 (df_hybrid_search_forward): Likewise.
10989 (df_hybrid_search_backward): Likewise.
10990 (df_iterative_dataflow): Likewise.
10991 (df_analyze_problem): Likewise.
10992 (df_compact_blocks): Likewise.
10993 (df_dump): Likewise.
10994 * df-scan.c (df_rescan_blocks): Likewise.
10995 (df_record_entry_block_defs): Likewise.
10997 * genconditions.c (write_conditions): Guard the definition of
10998 'insn_conditions' with the check on GCC version.
10999 (write_writer): Guard the traversal 'insn_conditions' with
11000 the check on GCC version.
11002 2006-02-07 Richard Guenther <rguenther@suse.de>
11006 2006-01-30 Richard Guenther <rguenther@suse.de>
11008 * gimplify.c (gimplify_target_expr): Handle easy cases
11009 without creating a temporary.
11011 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11013 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11014 use of float in probability computations. Use edge probabilities
11015 in place of statically computed probabilities.
11016 (min_spec_prob): New static variable.
11017 (schedule_insns): Initialize it.
11018 (GET_SRC_PROB): Removed.
11019 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11021 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11024 * config/ia64/unwind-ia64.c: Revert last change.
11025 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11026 (INCOMING_FRAME_SP_OFFSET): Define.
11028 2006-02-06 Roger Sayle <roger@eyesopen.com>
11030 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11032 2006-02-07 Ben Elliston <bje@au.ibm.com>
11034 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11035 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11036 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11037 (ix86_return_in_memory): Handle TDmode.
11038 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11039 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11041 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11043 * reorg.c (dbr_schedule): Use dump_file instead of file.
11045 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11048 * config/ia64/predicates.md (extr_len_operand): New predicate.
11049 * config/ia64/ia64.md (extv): Tighten constraints.
11051 (*tbit_and_2): Ditto.
11052 (*tbit_and_3): Ditto.
11053 (*tbit_or_2): Ditto.
11054 (*tbit_or_3): Ditto.
11055 (*bit_zero): Ditto.
11058 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11061 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11063 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11065 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11066 loop_optimizer_init and loop_optimizer_finalize
11067 * tree-ssa-sink.c (execute_sink_code): Ditto.
11068 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11069 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11070 tree_ssa_loop_done): Ditto.
11071 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11072 * sched-ebb.c: Include output.h.
11073 (schedule_ebbs): Do not use dump argument.
11074 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11075 * loop.c (loop_dump_stream): Removed.
11076 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11078 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11079 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11080 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11081 loop_iterations, strength_reduce, record_biv, record_giv,
11082 final_giv_value, check_final_value, check_ext_dependent_givs,
11083 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11084 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11085 dump_file instead of loop_dump_stream.
11086 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11087 argument dump_file.
11088 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11090 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11091 * haifa-sched.c: Include output.h
11092 (schedule_insns, sched_init): Do not use dump argument.
11093 * mode-switching.c (optimize_mode_switching): Ditto.
11094 * modulo-sched.c (stats_file): Removed.
11095 (print_node_sched_params): Do not call argument dump_file.
11096 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11097 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11099 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11101 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11102 rtl_loop_init, rtl_loop_done): Ditto.
11103 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11104 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11106 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11107 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11108 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11109 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11110 * emit-rtl.c (renumber_insns): Ditto.
11111 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11112 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11113 * regclass.c (regclass): Ditto.
11114 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11115 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11116 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11117 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11119 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11120 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11122 * gcse.c (gcse_file, debug_stderr): Removed.
11123 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11124 rest_of_handle_gcse): Do not use dump argument.
11125 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11126 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11127 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11128 compute_code_hoist_vbeinout, compute_code_hoist_data,
11129 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11130 compute_store_table, build_store_vectors, insert_insn_start_bb,
11131 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11132 store_motion): Use dump_file instead of gcse_file.
11133 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11134 * profile.c (profile_dump_file): Removed.
11135 (branch_prob): Use dump_file instead of profile_dump_file.
11136 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11138 * tree-ssa-copy.c (dump_copy_of): Ditto.
11139 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11140 dump file to life_analysis.
11141 * bt-load.c (branch_target_load_optimize): Ditto.
11142 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11144 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11145 regclass, dbr_schedule): Declaration changed.
11146 * sched-int.h (sched_init): Declaration changed.
11147 * tree-profile.c (tree_profile_dump_file): Removed.
11148 (tree_profile_hooks): Removed profile_dump_file hook.
11149 * rtl-profile (rtl_profile_dump_file): Removed.
11150 (rtl_profile_hooks): emoved profile_dump_file hook.
11151 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11153 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11154 * tree-cfg.c (build_tree_cfg): Ditto.
11155 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11156 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11157 Declaration changed.
11158 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11159 life_analysis and schedule_insns.
11160 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11162 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11164 * config/mips/mips.c (mips_reorg): Ditto.
11165 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11168 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11170 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11171 (s390_mangle_fundamental_type): New.
11172 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11175 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11176 (alpha_mangle_fundamental_type): New.
11177 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11180 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11182 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11184 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11185 (sparc_mangle_fundamental_type): New.
11187 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11189 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11190 (s390x-*-linux*): Likewise.
11191 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11192 * config/s390/t-linux: New file.
11194 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11196 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11197 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11199 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11201 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11202 (ANTIC_SAFE_LOADS): New macro.
11203 (find_or_generate_expression): Add prototype.
11204 (set_contains_value): Allow null set for sake of not always having
11205 to allocate ANTIC_SAFE_LOADS.
11206 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11207 Allow COMPONENT_REF too.
11208 (valid_in_set): Allow COMPONENT_REF.
11209 Check ANTIC_SAFE_LOADS too.
11210 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11211 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11213 (can_PRE_operation): Add COMPONENT_REF.
11214 (create_component_ref_by_pieces): New function.
11215 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11216 (insert_aux): Move AGGREGATE_TYPE_P check here.
11217 (compute_avail): Set bb local stmt uids.
11218 (pass_pre): Use TODO_update_ssa_only_virtuals.
11220 2006-02-06 Ben Elliston <bje@au.ibm.com>
11222 * configure.ac: Unconditionally disable decimal float by default.
11223 * configure: Regenerate.
11225 2006-02-06 Ben Elliston <bje@au.ibm.com>
11227 * read-rtl.c (read_name): Terminate reading on EOF.
11229 2006-02-06 Ben Elliston <bje@au.ibm.com>
11231 * dfp.c (decimal_real_arithmetic): Change second argument type
11232 from int to enum tree_code. Do not always return true, but now
11233 return result of any call to decimal_do helper functions.
11234 * dfp.h (decimal_real_arithmetic): Update prototype.
11236 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11238 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11240 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11243 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11246 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11248 * tree-vrp.c (cfg_loops): Removed.
11249 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11250 Use current_loops instead of cfg_loops. Pass flags to
11251 loop_optimizer_init.
11252 * cfgloopmanip.c (fix_loop_structure): Update only available
11254 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11255 loop_optimizer_init.
11256 * modulo-sched.c (build_loops_structure): Removed.
11257 (sms_schedule): Use loop_optimizer_init.
11258 * loop-init.c (loop_optimizer_init): Use flags to determine
11259 which properties of loops to prepare.
11260 (rtl_loop_init): Pass flags to loop_optimizer_init.
11261 * tree-ssa-sink.c (execute_sink_code): Ditto.
11262 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11263 * tree-ssa-pre.c (init_pre): Ditto.
11264 * cfgloop.h (LOOPS_NORMAL): New.
11265 (loop_optimizer_init): Declaration changed.
11267 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11269 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11270 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11272 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11274 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11276 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11277 * pa/t-pa64: Delete quadlib.c rule.
11278 * pa/x-ada: Revert last change.
11279 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11281 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11283 PR rtl-optimization/26087
11284 * rtlanal.c (canonicalize_condition): Do not cross basic block
11287 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11290 * config/ia64/ia64.c: Include debug.h.
11291 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11292 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11293 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11294 (process_epilogue, process_set, process_for_unwind_directive):
11295 Output unwind info only if requested. Add CFA info if requested.
11296 Add new arguments as needed. Adjust callers.
11297 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11299 (DWARF2_FRAME_INFO): Define to zero.
11300 * config/ia64/unwind-ia64.c: Remove code that compensated for
11301 the CFA offset error fixed above.
11302 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11303 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11304 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11305 -funwind-tables and -fexceptions to enable frame info.
11306 (dwarf2out_frame_init): Define initial CFA even if
11307 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11308 DWARF2_UNWIND_INFO is nonzero, not just defined.
11309 (dwarf2out_frame_finish): Output non-EH call frame info only
11310 if DWARF2_FRAME_INFO is nonzero.
11311 (convert_cfa_to_loc_list,
11312 compute_frame_pointer_to_cfa_displacement): Define even if
11313 unwind info is not supported.
11314 (gen_subprogram_die): Use the above unconditionally. Remove
11315 legacy alternate code.
11316 * toplev.c (compile_file): Compile in call to
11317 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11318 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11320 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11321 Jakub Jelinek <jakub@redhat.com>
11323 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11324 IBM extended float format long double as "g" on powerpc*-linux.
11326 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11329 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11330 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11332 2006-02-03 Jason Merrill <jason@redhat.com>
11335 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11337 PR middle-end/25977
11338 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11339 on the return slot if it's an NRV.
11341 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11343 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11344 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11345 rewrite_use): Do not handle USE_OUTER.
11346 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11347 add_iv_outer_candidates, may_replace_final_value,
11348 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11349 (find_interesting_uses_op): Functionality of
11350 find_interesting_uses_outer_or_nonlin moved here.
11351 (find_interesting_uses_outside): Use find_interesting_uses_op.
11353 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11356 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11358 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11359 Ulrich Weigand <uweigand@de.ibm.com>
11362 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11363 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11364 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11365 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11367 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11368 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11369 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11370 Define secondary reloads for TFmode moves.
11371 (constant_modes): Add TFmode.
11372 (NR_C_MODES): Set to 8.
11373 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11375 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11376 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11377 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11378 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11379 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11380 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11381 (FPR mode macro): Add TFmode.
11382 (DSF mode macro): New.
11383 (<de>, <dee> mode attributes): Removed.
11384 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11385 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11386 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11387 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11388 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11389 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11390 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11391 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11392 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11393 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11394 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11395 "*negabs<mode>2", "sqrt<mode>2"):
11396 Changed <de> to <xde>. R constraint replaced by <Rf>.
11397 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11399 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11400 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11401 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11403 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11404 "extenddftf2", "extendsftf2"): New expanders.
11405 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11406 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11407 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11408 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11410 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11411 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11412 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11413 __floatditf): Add a GCC_4.1.0 symbol version tag.
11414 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11417 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11420 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11421 Use targetm.binds_local_p instead of TREE_PUBLIC.
11423 2006-02-02 Roger Sayle <roger@eyesopen.com>
11425 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11426 on INTEGER_TYPEs to indicate that it denotes a character type.
11427 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11428 signed_char_type_node, unsigned_char_type_node and char_type_node.
11429 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11430 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11431 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11433 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11434 Daniel Berlin <dberlin@dberlin.org>
11436 * tree-tailcall.c (arg_needs_copy_p): New function.
11437 (eliminate_tail_call): Use arg_needs_copy_p.
11438 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11439 (add_virtual_phis): New function.
11441 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11443 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11444 #ignore instead of #scratch for %g7 .register directive.
11446 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11448 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11451 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11453 * flow.c (calculate_global_regs_live): Assert that there aren't any
11456 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11458 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11459 what its name says.
11460 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11461 bsi_after_labels iterator.
11462 * tree-if-conv.c (find_phi_replacement_condition,
11463 replace_phi_with_cond_modify_expr): Likewise.
11464 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11465 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11467 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11469 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11471 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11474 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11475 array after growing it.
11477 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11479 PR middle-end/24901
11480 * fold-const.c (fold_checksum_tree): Change type of buf.
11482 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11484 * reload.c (push_secondary_reload): Initialize t_icode.
11486 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11488 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11489 -msoft-float -mlong-double-128 only issue a warning, but don't
11490 swich to DFmode long double.
11492 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11494 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11495 has a constant equivalent, iterate over equivalents for arg0,
11496 calling simplify_relational_operation and if there's a result
11497 cheaper than X, apply fold_rtx and return the result.
11499 2006-02-01 Jan Hubicka <jh@suse.cz>
11501 * opts.c (no_unit_at_a_time_default): New global variable.
11502 (decode_options): Use it.
11503 * opts.h (no_unit_at_a_time_default): Declare.
11505 2006-02-01 Paul Brook <paul@codesourcery.com>
11507 * function.c (assign_parm_setup_reg): Use function argument promotion
11509 * expr.c (expand_expr_real_1): Use function argument promotion rules
11512 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11514 * gcc.c (process_command): Change j to 'unsigned int'.
11516 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11518 PR middle-end/26001
11519 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11520 Use the corrected index for the character
11521 out of the string constant.
11523 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11525 * mode-switching.c (optimize_mode_switching): Fix size
11526 allocated for bb_info[n_entities].
11528 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11530 * gcc.c (main): Correct type that is allocated for
11531 explicit_link_files.
11533 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11535 * config/s390/s390.c (init_alignment_context): Set
11536 ALIAS_SET_MEMORY_BARRIER on the MEM.
11537 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11539 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11541 PR middle-end/25933
11542 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11544 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11547 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11549 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11550 * regrename.c: Ditto.
11551 * tree-ssa-loop-im.c: Ditto.
11552 * tree-dump.c: Ditto.
11553 * tree-complex.c: Ditto.
11554 * genrecog.c: Ditto.
11555 * tree-ssa-threadupdate.c: Ditto.
11557 * java/class.c: Ditto.
11558 * java/jcf-parse.c: Ditto.
11559 * java/resource.c: Ditto.
11560 * java/except.c: Ditto.
11561 * java/jvspec.c: Ditto.
11562 * java/jcf-write.c: Ditto.
11563 * java/jcf-path.c: Ditto.
11564 * java/gjavah.c: Ditto.
11565 * java/zextract.c: Ditto.
11566 * java/jcf-io.c: Ditto.
11567 * java/jcf.h: Ditto.
11568 * java/buffer.c: Ditto.
11569 * java/lang.c: Ditto.
11570 * java/parse-scan.y: Ditto.
11571 * java/lex.c: Ditto.
11572 * java/lex.h: Ditto.
11573 * cfgloopmanip.c: Ditto.
11574 * postreload-gcse.c: Ditto.
11575 * tree-ssa-loop-manip.c: Ditto.
11576 * postreload.c: Ditto.
11577 * tree-ssa-loop-ch.c: Ditto.
11580 * cppspec.c: Ditto.
11581 * diagnostic.c: Ditto.
11583 * genoutput.c: Ditto.
11585 * cfghooks.c: Ditto.
11586 * cfgloopanal.c: Ditto.
11587 * objc/objc-act.c: Ditto.
11589 * genextract.c: Ditto.
11590 * genautomata.c: Ditto.
11591 * pretty-print.c: Ditto.
11592 * genemit.c: Ditto.
11593 * cgraphunit.c: Ditto.
11595 * df-scan.c: Ditto.
11596 * haifa-sched.c: Ditto.
11597 * dominance.c: Ditto.
11599 * tree-ssa-loop-ivopts.c: Ditto.
11600 * df-core.c: Ditto.
11601 * mode-switching.c: Ditto.
11602 * modulo-sched.c: Ditto.
11604 * ipa-pure-const.c: Ditto.
11606 * fix-header.c: Ditto.
11608 * tree-stdarg.c: Ditto.
11609 * ipa-utils.c: Ditto.
11610 * loop-init.c: Ditto.
11611 * ipa-inline.c: Ditto.
11612 * cfganal.c: Ditto.
11614 * alloc-pool.c: Ditto.
11615 * dwarf2out.c: Ditto.
11617 * genattrtab.c: Ditto.
11618 * tree-ssa-loop-ivcanon.c: Ditto.
11619 * predict.c: Ditto.
11620 * timevar.c: Ditto.
11622 * fortran/gfortranspec.c: Ditto.
11623 * regmove.c: Ditto.
11624 * local-alloc.c: Ditto.
11625 * langhooks.c: Ditto.
11626 * function.c: Ditto.
11627 * tree-vectorizer.c: Ditto.
11629 * ipa-type-escape.c: Ditto.
11631 * tree-if-conv.c: Ditto.
11632 * profile.c: Ditto.
11634 * tree-data-ref.c: Ditto.
11635 * loop-unroll.c: Ditto.
11636 * treelang/treetree.c: Ditto.
11638 * bt-load.c: Ditto.
11639 * ggc-common.c: Ditto.
11641 * coverage.c: Ditto.
11643 * tree-cfgcleanup.c: Ditto.
11644 * tree-ssa-pre.c: Ditto.
11645 * cfgcleanup.c: Ditto.
11646 * loop-invariant.c: Ditto.
11647 * loop-iv.c: Ditto.
11648 * ipa-prop.c: Ditto.
11649 * print-tree.c: Ditto.
11650 * conflict.c: Ditto.
11651 * ggc-page.c: Ditto.
11652 * sched-deps.c: Ditto.
11653 * regclass.c: Ditto.
11654 * tree-object-size.c: Ditto.
11655 * combine.c: Ditto.
11656 * bb-reorder.c: Ditto.
11657 * resource.c: Ditto.
11658 * var-tracking.c: Ditto.
11659 * cfgloop.c: Ditto.
11660 * df-problems.c: Ditto.
11661 * reg-stack.c: Ditto.
11663 * gccspec.c: Ditto.
11664 * sched-rgn.c: Ditto.
11665 * tree-ssa-structalias.c: Ditto.
11666 * tree-ssa-reassoc.c: Ditto.
11667 * config/darwin-c.c: Ditto.
11668 * config/darwin.c: Ditto.
11669 * config/arm/arm.c: Ditto.
11671 * collect2.c: Ditto.
11672 * reload1.c: Ditto.
11674 2006-01-31 Nicolas Pitre <nico@cam.org>
11676 * arm.md (smaxsi3): Make aware of smax_m1.
11679 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11681 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11683 2006-01-31 Richard Guenther <rguenther@suse.de>
11685 * doc/invoke.texi (-msselibm): Document.
11686 * target.h (expand_library_builtin): New target hook.
11687 * builtins.c (expand_builtin): Use expand_library_builtin.
11688 (default_expand_library_builtin): New function.
11689 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11690 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11691 (link_gcc_math_spec): Declare.
11692 (static_specs): Add link_gcc_math_spec.
11693 * expr.h (default_expand_library_builtin): Declare.
11694 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11695 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11696 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11697 * config/i386/i386.opt (msselibm): New target option.
11698 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11699 (ix86_init_sse_abi_builtins): New function.
11700 (ix86_expand_library_builtin): Likewise.
11701 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11702 (override_options): Handle error conditions wrt -msselibm.
11703 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11704 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11705 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11708 2006-01-31 Richard Guenther <rguenther@suse.de>
11709 Paolo Bonzini <bonzini@gnu.org>
11711 * doc/install.texi (--disable-libgcc-math): Document.
11713 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11715 * expr.h (expand_normal): new inline function.
11716 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11717 * dojump.c: use it.
11718 * dwarf2out.c: use it.
11721 * expmed.c: use it.
11722 * except.c: use it.
11723 * config/sparc/sparc.c: use it.
11724 * config/i386/i386.c: use it.
11725 * config/rs6000/rs6000.c: use it.
11726 * config/arm/arm.c: use it.
11727 * config/mips/mips.c: use it.
11728 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11730 2006-01-30 Roger Sayle <roger@eyesopen.com>
11732 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11733 argv to the appropriate type.
11735 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11737 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11740 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11743 * config/s390/s390.c (struct machine_function): New flag
11744 decomposed_literal_pool_addresses_ok_p.
11745 (s390_reorg): Set it before final stage of literal pool transforms.
11746 (s390_decompose_address): Only accept displacements of the form
11747 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11749 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11751 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11752 the comparison routine return.
11754 2006-01-30 Michael Matz <matz@suse.de>
11756 * global.c (find_reg): Only evict for global regs.
11757 Take n_refs into account and dump more info.
11759 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11762 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11763 (pragma_trap, pragma_nosave_low_regs): Likewise.
11764 (current_function_anonymous_args): Likewise.
11765 (sh_deferred_function_attributes): New variable.
11766 (sh_deferred_function_attributes_tail): Likewise.
11767 (print_operand): For '@', look up trap_exit attribute.
11768 (calc_live_regs): Look up trapa_handler attribute. For trapa
11769 handlers, save/restore fpscr, but don't do any other
11770 interrupt-specific saves.
11771 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11772 Fix check for partially saved registers to check for SHmedia.
11773 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11774 (sh_output_function_epilogue): Don't clear any of the removed
11776 (sh_insert_attributes): Don't check pragma_interrupt.
11777 Insert deferred attributes. Check that interrupt attribute is
11778 present for other attributes that require its presence.
11779 (sh_attribute_table): Add new attributes trapa_handler and
11781 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11782 Don't check for pragma_interrupt. Don't store argument.
11783 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11784 (sh_deferred_function_attributes): Declare.
11785 (sh_deferred_function_attributes_tail): Likewise.
11786 * sh.md (sp_switch_1): Add operand. Change generator caller.
11787 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11788 (*return_i): Don't use when trap_exit attribute is in effect.
11789 (*return_trapa): New insn pattern.
11790 * sh-c.c: New file.
11791 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11792 setting c_target_objs and cxx_target_objs.
11793 * t-sh: Add rule for sh-c.o.
11795 2006-01-30 Richard Guenther <rguenther@suse.de>
11798 * gimplify.c (gimplify_target_expr): Handle easy cases
11799 without creating a temporary.
11801 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11803 * vec.h (safe_grow): Remove duplicated line.
11805 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11808 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11809 (expand_omp): ... here.
11810 (expand_omp_parallel): Only remove barriers for combined
11811 parallel+workshare constructs.
11813 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11817 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11818 * tree.c (build_qualified_type): Chain the new type to the original
11819 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11820 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11821 (build_pointer_type_for_mode): Only return unqualified types.
11822 (build_reference_type_for_mode): Likewise.
11824 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11826 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11827 * Makefile.in (CXX_COMPAT_WARN): Define.
11828 * configure: Regenerate.
11830 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11833 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11836 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11838 * toplev.c: Fix thinko.
11840 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11841 Marcin Dalecki <martin@dalecki.de>
11843 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11844 (push_srcloc): Use XNEW.
11845 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11847 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11849 * df-core.c (df_set_blocks): Deleted all variable.
11851 2006-01-28 Ian Lance Taylor <ian@airs.com>
11853 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11854 cgraph_output_pending_asms.
11856 2006-01-28 Zack Weinberg <zackw@panix.com>
11858 * c.opt: Add -W(no-)overlength-strings.
11859 * doc/invoke.texi: Document it.
11860 * c-opts.c (c_common_handle_option): -pedantic implies
11861 -Woverlength-strings, if not explicitly disabled already.
11862 (c_common_post_options): -Woverlength-strings defaults to off, and
11863 is always off for C++.
11864 * c-common.c (fix_string_type): Issue warning about strings longer
11865 than is portable only if warn_overlength_strings. Rearrange code
11866 a little for clarity.
11867 * configure.in: Check for -Wno-overlength-strings as well before
11868 enabling -pedantic in stage 1.
11869 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11870 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11872 * genconditions.c (write_header, write_one_condition)
11873 (write_conditions, write_writer): Consolidate very long strings
11874 that were broken up to fit in C89 portable limit. Don't use
11875 printf when fputs will do.
11877 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11879 * combine.c (simplify_comparison <AND>): Check
11880 TRULY_NOOP_TRUNCATION before start using a subreg.
11882 * config/mips/mips.md (*branch_zero<mode>,
11883 *branch_zero<mode>_inverted, *branch_equality<mode>,
11884 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11885 Remove mode check from comparisons.
11887 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11889 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11891 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11893 * expmed.c (const_mult_add_overflow_p): Remove.
11894 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11896 * recog.c (validate_replace_rtx_subexp): Remove.
11897 * recog.h: Remove the prototype for
11898 validate_replace_rtx_subexp.
11900 * integrate.h: Remove the prototype for
11901 copy_decl_for_inlining.
11902 * rtl.h: Remove the prototype for mark_constant_function.
11903 * tree-vectorizer.h: Remove the prototype for
11904 vect_strip_conversion.
11906 * modulo-sched.c (create_partial_schedule,
11907 free_partial_schedule, reset_partial_schedule): Make them
11910 * hooks.c (hook_bool_rtx_int_false): Remove.
11911 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11913 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11915 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11916 and -mlong-double-128 are incompatible.
11917 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11918 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11919 (TARGET_LIBGCC2_CFLAGS): Define.
11920 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11921 (TARGET_LIBGCC2_CFLAGS): Same.
11922 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11924 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11927 * c-typeck.c (build_binary_op): Perform implicit casts of
11928 operands before shortening them.
11930 * cfgloopmanip.c (split_loop_bb): Remove.
11931 * cfgloop.h: Remove the prototype for split_loop_bb.
11933 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11934 * cfgloop.h: Remove the prototype for
11935 flow_loop_outside_edge_p.
11937 * emit-rtl.c (init_virtual_regs): Make it static.
11938 * function.h: Remove the prototype for init_virtual_regs.
11940 * recog.c (peephole2_optimize): Make it static.
11941 * recog.h: Remove the prototype for peephole2_optimize.
11943 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11945 * df-scan.c (df_record_entry_block_defs): Check if
11946 INCOMING_RETURN_ADDR_RTX is defined.
11948 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11949 Kenneth Zadeck <zadeck@naturalbridge.com>
11951 PR rtl-optimization/24762
11952 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11953 * targhooks.c (hook_void_bitmap): New hook prototype.
11954 * targhoohs.h (hook_void_bitmap): Ditto.
11955 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11956 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11957 * target.h (live_on_entry): New function pointer.
11958 * df-scan.c (df_all_hard_regs): Removed.
11959 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11960 (df_scan_free_internal): Added df->entry_block_defs.
11961 (df_scan_alloc): Ditto.
11962 (df_scan_dump): Ditto.
11963 (df_uses_record): Plumbed flag field properly thru calls.
11964 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11965 This part fixes PR24762.
11966 (df_bb_refs_record): Added code to make the frame and arg
11967 pointers live in EH blocks.
11968 (df_refs_record): Added call to df_record_entry_block_defs.
11969 (df_record_entry_block_defs): New function.
11970 * df-core.c: Added comments to describe new artifical defs.
11971 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11972 (entry_block_defs): New field in struct df.
11973 (df_all_hard_regs): Deleted.
11974 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11975 * df-problems.c (df_ru_bb_local_compute_process_def):
11976 Added code to handle artifical defs in the entry to a function.
11977 (df_ru_bb_local_compute): Ditto.
11978 (df_rd_bb_local_compute_process_def): Ditto.
11979 (df_rd_bb_local_compute): Ditto.
11980 (df_lr_bb_local_compute): Ditto.
11981 (df_ur_bb_local_compute): Ditto.
11982 (df_urec_bb_local_compute): Ditto.
11983 (df_chain_create_bb): Ditto.
11984 (df_ur_local_finalize): Removed entry.
11985 (df_urec_init): Ditto.
11986 (df_urec_local_finalize): Ditto.
11987 (df_ri_bb_compute): Added detection of last use of pseudos.
11988 * Makefile.in (df-scan.o): Updated dependencies.
11989 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11990 * config/mips/mips.c (mips_set_live_on_entry): Added.
11991 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11993 * dce.c (marked_insn_p): Added code to handle artifical defs.
11995 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11997 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11999 (_mm_cvtsi128_si64): Likewise.
12000 (_mm_cvtsd_si64): Likewise.
12001 (_mm_cvttsd_si64): Likewise.
12002 (_mm_cvtsi64_sd): Likewise.
12003 (_mm_cvtsi64_si128): Likewise.
12004 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12005 (_mm_cvtsi64_m64): Likewise.
12006 (_m_to_int64): Likewise.
12007 (_mm_cvtm64_si64): Likewise.
12008 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12009 (_mm_cvttss_si64): Likewise.
12010 (_mm_cvtsi64_ss): Likewise.
12011 (_mm_cvtss_f32): Likewise.
12013 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12015 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12016 for pragma redefine_extname.
12018 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12021 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12022 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12023 -mno-minimal-toc to previous content.
12024 (bispecs): Remove goal.
12025 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12026 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12027 compatibility aliases on powerpc-*-*gnu*.
12028 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12029 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12030 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12031 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12032 (ldblspecs): New goal.
12033 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12034 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12036 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12037 L_sf_to_tf or L_df_to_tf is defined.
12039 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12040 Alan Modra <amodra@bigpond.net.au>
12043 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12044 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12045 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12046 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12047 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12048 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12049 (rs6000_override_options): Initialize rs6000_ieeequad.
12050 Initialize TFmode format to ibm_extended_format if not
12052 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12054 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12055 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12056 (function_arg_advance): IBM long double passed in two FPRs, not
12058 (function_arg): IBM long double passed in FPRs.
12059 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12060 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12061 Only multireg GPR aligned.
12062 (rs6000_init_libfuncs): Enable IBM long double functions if not
12064 (rs6000_generate_compare): Use IBM long double compare if not
12066 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12067 (TARGET_IEEEQUAD): Define.
12068 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12069 not TARGET_IEEEQUAD.
12070 * config/rs6000/rs6000.md: Enable TFmode patterns if
12072 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12073 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12074 and -mlong-double-128 are incompatible.
12075 * doc/invoke.texi (-mabi): Collect options together. Add
12076 ibmlongdouble and ieeelongdouble.
12078 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12080 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12082 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12083 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12084 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12085 * rtl.h (rtunion_def): Remove rt_ptr.
12087 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12088 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12089 * config/i386/winnt.c (i386_pe_mark_dllexport)
12090 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12092 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12094 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12096 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12100 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12101 pthread_key_delete. From John David Anglin. gthrw-ify
12102 pthread_getunique_np only if it it's not a macro. Delete
12104 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12105 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12106 __gthread_objc_condition_signal, __gthread_key_delete): Add
12107 "__attribute__ ((__unused__))" to unused arguments.
12108 (__gthread_recursive_mutex_init_function): Add missing return.
12109 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12110 gthr-posix95.h: Use macro-based approach for name redirection
12111 on targets missing weakref.
12113 2006-01-26 Zack Weinberg <zackw@panix.com>
12115 * genconditions.c (write_header): In generated code, #ifdef out
12116 all includes and fake declarations, except includes of bconfig.h
12117 and system.h, unless GCC_VERSION >= 3001. Do not include
12118 gensupport.h in any case.
12119 (write_conditions): Generate a definition of struct c_test. Add
12120 a comment to the generated #endif.
12121 (write_one_condition): Escape backslashes in string too.
12122 (write_writer): Generated code must escape backslashes and quote
12123 marks (but not newlines) in the strings it writes.
12124 * Makefile.in (build/gencondmd.o): Update dependencies.
12126 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12129 * Makefile.in (insn-automata.o): Add header file dependencies.
12130 * genautomata.c: Add includes.
12132 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12135 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12137 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12139 * configure.ac: Expect target tools paths to be passed from the toplevel
12140 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12142 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12144 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12147 * c.opt (Wpointer-sign): Init to -1.
12148 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12149 OPT_pedantic, to 0 otherwise.
12150 * doc/invoke.texi: Update.
12152 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12154 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12155 constants provided by 80387 instructions in the destination mode.
12157 2006-01-26 Richard Guenther <rguenther@suse.de>
12158 Andrew Pinski <pinskia@physics.uc.edu>
12161 partial PR tree-opt/17064
12162 * tree-ssa-structalias.c (intra_create_variable_infos):
12163 Create heap variables for incoming parameters if
12164 flag_argument_noalias > 1.
12165 (find_what_p_points_to): Look through default defs of
12168 2006-01-26 Jeff Law <law@redhat.com>
12171 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12172 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12173 within the VR_RANGE, use the VR_RANGE as the result, not the
12175 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12176 bounds for the type.
12178 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12180 * tree-ssa-alias.c (maybe_create_global_var): Change
12181 subvar walking to an assertion that we don't have subvar'd variables.
12183 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12186 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12187 Use a new variable, inner. PARM_DECLs are always non-weak.
12189 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12191 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12192 --disable-checking.
12194 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12196 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12198 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12200 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12201 (smax_insn, smin_insn, smax_0, smin_0): New.
12203 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12206 * config/cris/cris.c (cris_order_for_addsi3): New function.
12207 * config/cris/cris-protos.h: Prototype it.
12208 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12209 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12210 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12211 (split for "op.S1 [rx=rx+i],ry (swapped)")
12212 (split for "op(s|u).S1 [rx=rx+i],ry")
12213 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12214 Apply cris_order_for_addsi3 when generating addsi3 insns.
12216 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12218 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12219 (TREE_BLOCK): Add call to EXPR_CHECK.
12221 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12224 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12225 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12226 (dump_omp_clauses): ... here.
12227 (dump_generic_node): Handle OMP_CLAUSE.
12228 * tree.c (omp_clause_num_ops): New.
12229 (omp_clause_code_name): New.
12230 (tree_code_size): Handle OMP_CLAUSE.
12231 (tree_size): Likewise.
12232 (make_node): Document handling of OMP_CLAUSE.
12233 (tree_node_structure): Handle OMP_CLAUSE.
12234 (omp_clause_check_failed): New.
12235 (omp_clause_range_check_failed): New.
12236 (omp_clause_operand_check_failed): New.
12237 (build_omp_clause): New.
12238 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12239 * tree.h (enum omp_clause_code): Declare.
12240 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12241 (OMP_CLAUSE_RANGE_CHECK): Define.
12242 (OMP_CLAUSE_ELT_CHECK): Define.
12243 (omp_clause_check_failed): Declare.
12244 (omp_clause_operand_check_failed): Declare.
12245 (omp_clause_range_check_failed): Declare.
12246 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12247 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12248 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12249 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12250 (OMP_CLAUSE_IF_EXPR): Likewise.
12251 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12252 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12253 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12254 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12255 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12256 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12257 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12258 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12259 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12260 (OMP_CLAUSE_CODE): Define.
12261 (OMP_CLAUSE_SET_CODE): Define.
12262 (OMP_CLAUSE_CODE): Define.
12263 (OMP_CLAUSE_OPERAND): Define.
12264 (struct tree_omp_clause): Declare.
12265 (union tree_node): Add field 'omp_clause'.
12266 * treestruct.def (TS_OMP_CLAUSE): Define.
12267 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12268 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12269 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12270 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12271 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12272 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12273 (OMP_CLAUSE): Define.
12274 * print-tree.c (print_node): Handle OMP_CLAUSE.
12275 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12276 * c-typeck.c: Likewise.
12277 * gimplify.c: Likewise.
12278 * c-omp.c: Likewise.
12279 * tree-nested.c: Likewise.
12280 * tree-inline.c: Likewise.
12281 * c-parser.c: Likewise.
12282 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12285 2006-01-25 Roger Sayle <roger@eyesopen.com>
12287 PR rtl-optimization/25703
12288 * combine.c (try_combine): Handle zero_extract and strict_low_part
12289 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12291 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12293 * global.c: Fix comment typos.
12295 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12298 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12299 Use output_addr_const instead of assemble_name.
12301 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12303 * Makefile.in (sched-vis.o): Update dependencies.
12304 * haifa-sched.c (sched_finish): Clear current_sched_info.
12305 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12306 (dump_flow_info): Call it.
12307 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12309 * basic-block.h (dump_bb_info): Declare.
12310 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12311 option, and apply options only for dump files whose TDF_RTL,
12312 TDF_TREE, or TDF_IPA bits match.
12313 * rtl.h: Declare new functions exported from sched-vis.c.
12314 * sched-vis.c: Enable also if scheduling is not used.
12315 (print_value): Print the mode of registers if not inside scheduling.
12316 (print_insn): Make it work outside the scheduler. Beautify the output
12318 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12320 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12322 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12323 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12324 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12325 depending on the value of CONSTANT_POOL_ADDRESS_P.
12326 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12328 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12329 rather than SYMBOL_REF_DECL.
12330 (rtx_constant_pool): Remove const_rtx_sym_htab.
12331 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12332 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12333 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12334 Remove handling of const_rtx_sym_htab.
12335 (find_pool_constant): Delete.
12336 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12337 rather than find_pool_constant.
12338 (get_pool_constant_for_function): Delete.
12339 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12340 find_pool_constant.
12341 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12342 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12343 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12344 (SYMBOL_REF_CONSTANT): New macro.
12345 (get_pool_constant_for_function): Delete.
12346 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12347 rather than SYMBOL_REF_DECL.
12348 (i386_pe_mark_dllimport): Likewise.
12349 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12350 rather than SYMBOL_REF_DECL.
12351 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12352 (machopic_indirect_call_target): Likewise.
12354 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12356 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12358 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12360 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12362 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12364 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12366 2006-01-24 David Daney <ddaney@avtrex.com>
12369 * configure.ac (enable_tls): New enable option.
12370 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12371 * configure: Regenerate.
12372 * doc/install.texi (--enable-tls): Document new option.
12373 (--disable-tls): Ditto.
12375 2006-01-24 Richard Henderson <rth@redehat.com>
12377 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12378 * alias.c (true_dependence): Respect it.
12379 (canon_true_dependence, write_dependence_p): Likewise.
12380 * builtins.c (get_builtin_sync_mem): Set it.
12382 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12384 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12387 2006-01-24 DJ Delorie <dj@redhat.com>
12389 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12390 for storing constants in single-bit bitfields.
12392 2006-01-25 Ben Elliston <bje@au.ibm.com>
12394 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12396 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12399 * tree-ssa-pre.c (phi_translate): Return NULL
12400 for AGGREGATE_TYPE's.
12402 2006-01-24 Zack Weinberg <zackw@panix.com>
12404 * genautomata.c (process_state_for_insn_equiv_partition):
12405 Use xcalloc for insn_arcs_array.
12406 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12407 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12409 2006-01-24 Richard Henderson <rth@redhat.com>
12411 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12412 update all callers.
12414 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12416 PR rtl-optimization/25890
12417 PR rtl-optimization/25905
12418 * combine.c (expand_compound_operation, expand_field_assignment):
12419 Fail if the bitfield's final position is out of bounds.
12421 2006-01-24 Ian Lance Taylor <ian@airs.com>
12423 PR middle-end/25930
12424 * cgraphunit.c (cgraph_output_in_order): Don't clear
12425 cgraph_asm_nodes until after asm strings have been output.
12427 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12429 * fix-header.c (read_scan_file): Add new parameter imultilib when
12430 calling register_include_chains.
12432 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12434 * omp-low.c: Update documentation.
12436 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12437 Daniel Berlin <dberlin@dberlin.org>
12441 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12442 return from the function.
12444 2006-01-22 Zack Weinberg <zackw@panix.com>
12446 * rtl.def (match_code): Add second argument.
12447 * genpreds.c (write_extract_subexp): New function.
12448 (write_match_code): Add path argument. Use write_extract_subexp.
12449 (write_predicate_expr): Pass path to write_match_code.
12450 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12451 not perform a mode test.
12452 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12453 a subexpression does not constrain the top-level code set.
12454 * read-rtl.c (read_rtx_variadic): New function.
12455 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12456 * doc/md.texi: Document new notation.
12457 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12458 (cmpsi_operand): ... here, using new notation.
12460 2006-01-22 Zack Weinberg <zackw@panix.com>
12462 * varray.c: Remove GENERATOR_FILE #ifdefs.
12464 2006-01-22 Zack Weinberg <zackw@panix.com>
12466 * genautomata.c (output_reserved_units_table): Emit nothing if
12467 description->query_units_num is zero. Remove extra blank line.
12468 (output_cpu_unit_reservation_p): Short circuit
12469 if description->query_units_num is zero.
12471 2006-01-22 Zack Weinberg <zackw@panix.com>
12473 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12474 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12475 nor any of the random handful of variables that used to be necessary
12476 when this program was linked with rtlanal.o. Prune set of forward
12477 function declarations.
12478 (struct attr_desc): Remove static_p field.
12479 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12480 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12481 (attr_string): Do not read the character one past the length of
12483 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12484 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12485 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12486 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12487 (make_automaton_attrs): New.
12488 (main): Do not call into genautomata. Call local gen_bypass
12489 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12490 Remove special case for insn_alts.
12491 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12492 varray.h (leftover from previous change). Prune set of forward
12493 function declarations. Remove state_alts fields from all
12494 structures. Remove state_alts_table from struct automaton.
12495 Make everything except main static. Do not maintain num_dfa_decls.
12496 Do not maintain state_alts fields of various structures.
12497 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12498 (add_arc): Remove state_alts argument. All callers updated.
12499 (output_reserved_units_table): Emit #ifdef here...
12500 (output_tables): ...not here. Don't generate state_alts tables.
12501 (expand_automata): Don't generate attributes.
12502 (write_automata): Don't generate state_alts functions.
12503 (main): New function.
12504 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12505 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12506 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12507 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12508 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12509 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12510 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12511 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12513 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12514 * genattrtab.h: Delete file.
12515 * Makefile.in (OBJS-common): Add insn-automata.o.
12516 (insn-automata.o): New rule.
12517 (simple_generated_c): Add insn-automata.c.
12518 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12519 (genprogmd): Add automata.
12520 (build/genattrtab): Needs no extra objects nor libraries.
12521 (build/genautomata): Needs build/vec.o and -lm.
12523 2006-01-22 Zack Weinberg <zackw@panix.com>
12525 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12526 (output_dfa_max_issue_rate, locked_states_num): Delete.
12527 (struct automaton): Add locked_states field.
12528 (output_dead_lock_vect): Save number of locked states in
12529 automaton->locked_states. If it is zero, don't print anything.
12530 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12531 (output_internal_dead_lock_func): Only test the dead_lock_vect
12532 for automata that have locked states.
12533 (output_statistics): Always print the number of locked states for
12534 each automaton. Calculate total number of locked states here.
12535 (write_automata): Don't call output_dfa_max_issue_rate.
12536 * genattrtab.c: Define length_unit_log as a const variable.
12537 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12538 max_insn_queue_index const.
12539 * final.c (length_unit_log): Declare const.
12540 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12542 2006-01-22 Zack Weinberg <zackw@panix.com>
12544 * genautomata.c: Include vec.h, not varray.h.
12545 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12546 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12547 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12548 VEC_* macros operating on appropriately typed vectors, or to
12549 malloced arrays when the size is known in advance. Const-ify
12550 many char* variables and function arguments. No functional changes.
12551 * Makefile.in (build/varray.o): Delete rule.
12552 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12553 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12555 2006-01-22 Zack Weinberg <zackw@panix.com>
12557 * gensupport.c: Define get_insn_name and record_insn_name here.
12558 (read_md_rtx): Call record_insn_name as appropriate.
12559 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12560 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12561 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12563 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12564 (BUILD_VARRAY): Delete.
12565 (genprognormal): Rename genprogmd. Fold in all programs from
12566 genprognoprint; also attrtab.
12567 (build/genattrtab): Just mention genautomata.o and varray.o.
12568 Reorganize a bit, add comments to make the categories clearer.
12570 2006-01-22 Zack Weinberg <zackw@panix.com>
12572 * genconditions.c (condition_table, add_condition): Delete.
12573 (write_conditions): Don't emit n_insn_conditions nor
12574 insn_elision_unavailable. Issue the gcc version #ifdef here,
12575 inside the table, with no #else clause ...
12576 (write_header): ...not here.
12577 (write_writer): New function.
12578 (main): Don't initialize condition_table. Use add_c_test.
12580 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12581 files on the command line.
12582 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12583 Return -1 if there is no entry in the table, don't abort.
12584 (add_c_test, traverse_c_tests): New functions.
12585 * gensupport.h (insn_elision_unavailable, insn_conditions)
12586 (n_insn_conditions): Delete declarations.
12587 (add_c_test, traverse_c_tests): Declare.
12588 * read-rtl.c: Include gensupport.h.
12589 (read_conditions): New function.
12590 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12591 (read_rtx_1): If we get EOF when we were looking for an initial
12592 open paren, return 0. Call read_conditions when appropriate.
12593 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12594 dummy-conditions.o. Eliminate references to insn-conditions.o,
12595 or change them to build/gencondmd.o, as appropriate. Remove
12596 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12597 from $(simple_generated_c). For all files remaining in those
12598 two lists, add insn-conditions.md to the generator command line.
12599 Give insn-constants.h/s-constants their own rules. Add rules
12600 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12601 (build/read-rtl.o): Depend on gensupport.h.
12602 (genprognormal): Include preds.
12603 (genprogearly): Rename genprognoprint; only difference is now that
12604 they don't link with $(BUILD_PRINT).
12605 * dummy-conditions.c: Delete.
12607 2006-01-22 Zack Weinberg <zackw@panix.com>
12609 * genextract.c: Don't include insn-config.h. Do include vec.h.
12610 Declare vectors of int, char, and locstr.
12611 (locstr): New typedef.
12612 (struct extraction): Make all array fields into bare pointers.
12613 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12614 (insn_code_number): Delete.
12615 (accum_extract): New struct.
12616 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12617 (gen_insn): Take insn_code_number as an argument. Use an
12618 accum_extract structure instead of loading data directly into
12619 a struct extraction, and having to know how big it might get.
12620 (walk_rtx): Operate entirely on an accum_extract structure.
12621 (print_path): Avoid unnecessary use of printf.
12622 (print_header): New function, split out of main. Distinguish
12623 more carefully between an unrecognizable insn and an insn that
12624 has the code number of a define_expand.
12625 (main): Pass insn_code_number to gen_insn. Call print_header
12626 only after parsing. Avoid unnecessary use of printf.
12627 * Makefile.in (build/vec.o): New rule.
12628 (build/genextract): Depend on build/vec.o.
12629 (build/genextract.o): Don't depend on insn-config.h.
12631 2006-01-22 Zack Weinberg <zackw@panix.com>
12633 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12634 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12635 practical. Eliminate per-generator-program link rules.
12637 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12639 PR middle-end/24437
12640 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12641 with a call expr to ...
12642 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12644 2006-01-23 Richard Guenther <rguenther@suse.de>
12646 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12647 before make_edge with conditional EDGE_TRUE_VALUE.
12649 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12650 Jan Hubicka <jh@suse.cz>
12651 Richard Guenther <rguenther@suse.de>
12653 PR rtl-optimization/25654
12654 * cfgexpand.c (aggregate_contains_union_type): New function.
12655 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12656 for structure variables that contain a union type.
12658 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12660 * gengtype.c (new_structure): Return the structure.
12661 (create_option): Add an extra "next" argument.
12662 (create_field): New function.
12663 (adjust_field_rtx_def): Use create_option and create_field.
12664 Remove a now-unnecessary call to find_structure.
12665 (adjust_field_tree_def): Likewise.
12666 (note_yacc_type): Remove an unnecessary call to find_structure.
12667 * gengtype.h (new_structure): Return the structure.
12668 (create_option): Add an extra argument.
12669 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12670 (option): Adjust calls to create_option.
12672 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12674 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12676 2006-01-22 Paul Brook <paul@codesourcery.com>
12677 Peter Barada <peter@the-baradas.com>
12679 * config/m68k/m68k.md: Add Coldfire FPU support.
12680 Define FP mode macro and associated attributes.
12681 Use it for float mode patterns.
12682 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12683 (LIBCALL_VALUE): Use m68k_libcall_value.
12684 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12685 (m68k_function_value): Ditto.
12686 (emit_move_sequence): Ditto.
12687 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12688 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12689 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12690 (MULTILIB_EXCEPTIONS): Ditto.
12691 * config/m68k/m68k.opt: Add mcfv4e.
12692 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12693 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12694 (m68k_output_function_prologue): Save ColdFire FPU registers.
12695 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12696 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12697 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12698 ColdFire FPU registers.
12699 (m68k_libcall_value, m68k_function_value): New functions.
12700 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12701 (LIBCALL_VALUE): Use m68k_libcall_value.
12702 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12703 (MASK_COLDFIRE): Add MASK_CFV4E.
12704 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12705 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12706 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12707 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12708 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12709 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12710 * doc/invoke.tex: Document -mcfv4e on m68k.
12712 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12714 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12717 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12720 * c-opts.c (c_common_handle_option): Don't include
12721 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12722 * doc/invoke.texi (C++ Dialect Options): Document that
12723 -Wnon-virtual-dtor is no longer included in -Wall.
12725 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12727 * gcov.c (print_version), gcov-dump.c (print_version),
12728 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12731 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12733 * df-scan.c (problem_SCAN): Added NULL reset function.
12734 (df_scan_reset_blocks): Added code to call reset block function
12735 (df_bb_refs_delete) Fixed comment.
12736 (df_insn_refs_delete): Made tolerant of deleting non existent info
12737 for dataflow problems that need to be reset.
12738 * df-core.c (df_set_blocks): Ditto.
12739 * df.h (struct df_problem): Added reset_fun.
12740 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12741 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12742 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12743 functions to clear out all references to def-use or use-def chains.
12745 2006-01-21 Ben Elliston <bje@au.ibm.com>
12747 * varasm.c (assemble_real): Initialise data array.
12749 2006-01-20 Paul Brook <paul@codesourcery.com>
12751 Merge from csl-arm-branch.
12752 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12753 * config/arm/arm.md (movdi): Force operands[1] to a register
12754 if we have a non-register source.
12755 (*arm_movdi, *movdf_soft_insn): Require that one of the
12756 operands be a register.
12757 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12758 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12760 2006-01-20 DJ Delorie <dj@redhat.com>
12762 * varasm.c (initializer_constant_valid_p): Allow pointers
12763 initialized from integer constants of lesser precision.
12764 (output_constant): Allow non-int-sized pointer modes to be
12765 initialized from integer constants.
12767 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12770 * cppdefault.h (struct default_include): Add multilib flag.
12771 * cppdefault.c (cpp_include_defaults): Set it.
12772 * c.opt (-imultilib): New option.
12773 * c-opts.c (imultilib): New.
12774 (c_common_handle_option): Handle -imultilib.
12775 (c_common_post_options): Likewise.
12776 * c-incpath.c (add_standard_paths, register_include_chains):
12778 * c-incpath.h (register_include_chains): Add extra parameter.
12779 * gcc.c (do_spec_1): Generate -imultilib option.
12780 (The Specs Language): Update %I description.
12781 (process_command): Update copyright notice.
12782 * doc/cppopts.texi (-imultilib): Document.
12783 * doc/invoke.texi (-imultilib): Include in option summary.
12784 (%I): Update specs documentation.
12786 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12788 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12790 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12792 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12795 2006-01-20 Richard Guenther <rguenther@suse.de>
12796 Steven Bosscher <stevenb.gcc@gmail.com>
12798 PR rtl-optimization/24626
12799 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12800 EDGE_TRUE_VALUE if in RTL mode.
12803 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12804 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12806 2006-01-20 Dirk Mueller <dmueller@suse.com>
12809 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12810 instead of a special NOP marker.
12811 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12812 NOP marker handling.
12813 * c-common.h (empty_body_warning): Add forward declaration.
12814 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12815 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12817 2006-01-20 Paul Brook <paul@codesourcery.com>
12819 * Makefile.in (lang_checks): Keep going if mkdir fails.
12821 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12823 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12824 be able to clean out basic block when not necessary.
12825 (df_scan_free): Fixed to properly delete information if df is
12826 unused before calling df_finish.
12827 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12828 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12830 (df_bb_refs_delete): New function.
12831 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12832 * df-core.c (df_set_blocks): Added code to properly clean out
12833 unused blocks if they are not part of the blocks to consider.
12834 Added additional null check.
12835 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12836 be able to clean out basic block when not necessary
12837 * df.h (df_free_bb_function): Ditto.
12838 (df_bb_refs_delete): New function.
12839 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12840 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12841 basic block parameter to be able to clean out basic block when not
12843 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12844 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12845 Fixed to properly delete information if df is unused before
12848 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12850 PR rtl-optimization/25799
12851 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12852 Corrected confluence operator to remove bits from op2 before oring
12853 with op1 rather than removing bits from op1.
12854 (df_ru_transfer_function): Corrected test on wrong bitmap which
12855 caused infinite loop. Both of these problems were introduced in
12856 the dataflow rewrite.
12858 2006-01-19 DJ Delorie <dj@redhat.com>
12860 * reload1.c (find_reload_regs): Note the details of reload
12861 failures in the dump file.
12862 (spill_failure): Likewise.
12864 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12866 * loop-iv.c: Include df.h and hashtab.h.
12867 (enum iv_grd_result): New enum.
12868 (DF_REF_IV, DF_REF_IV_SET): New macros.
12869 (struct biv_entry): New.
12870 (df, bivs): New global variables.
12871 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12872 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12874 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12875 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12876 analyzed_for_bivness_p, record_biv): New functions.
12877 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12878 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12879 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12881 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12883 (iv_number_of_iterations): Use new interface to iv analysis.
12884 * loop-unroll.c: Do not include varray.h.
12885 (analyze_iv_to_split_insn): Use new interface to iv
12887 * loop-unswitch.c (may_unswitch_on): Ditto.
12888 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12890 (df_bb_modify): Realloc tables to the new index.
12891 (df_find_use): New function.
12892 * df.h (df_find_use): Declare.
12893 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12895 * cfgloop.h (struct rtx_iv): Remove analysed field.
12896 (iv_get_reaching_def): Removed.
12897 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12898 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12899 (loop-iv.o): Add df.h and hashtab.h dependency.
12900 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12902 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12905 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12907 (__floatundisf, __floatundidf): Likewise.
12908 * libgcc2.h (IS_IBM_EXTENDED): Define.
12910 2006-01-19 DJ Delorie <dj@redhat.com>
12912 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12914 2006-01-19 Paul Brook <paul@codesourcery.com>
12916 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12917 as nothrow when unwinding tables are disabled.
12919 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12922 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12923 of bit-field" when in system header.
12925 2006-01-19 DJ Delorie <dj@redhat.com>
12927 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12928 the 16 bit shift limit of the m16c.
12930 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12933 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12934 * config/i386/i386.c (output_set_got): Output the label if we have one
12935 for the TARGET_DEEP_BRANCH_PREDICTION case.
12937 2006-01-19 Jan Hubicka <jh@suse.cz>
12938 H.J. Lu <hongjiu.lu@intel.com>
12939 Evandro Menezes <evandro.menezes@amd.com>
12941 * invoke.texi (generic): Document
12943 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12944 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12945 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12946 (x86_use_incdec, x86_pad_returns): New variables
12947 (TARGET_CPU_DEFAULT_generic): New constant
12948 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12949 (enum processor_type): Add generic32 and generic64.
12950 * i386.md (cpu attribute): Add generic32/generic64
12951 (movhi splitter): Behave sanely when both partial_reg_dependency and
12952 partial_reg_stall are set.
12953 (K8 splitters): Enable for generic as well.
12954 * predicates.md (incdec_operand): Use TARGET_INCDEC
12955 (aligned_operand): Avoid memory mismatch stalls.
12956 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12957 * ppro.md: Enable for generic32
12958 * i386.c (generic64_cost, generic32_cost): New.
12959 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12960 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12961 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12962 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12963 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12964 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12965 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12966 x86_accumulate_outgoing_args, x86_prologue_using_move,
12967 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12968 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12969 Enable for generic.
12970 (x86_use_incdec, x86_pad_returns): New.
12971 (override_options): Add generic32 and generic64, translate "generic"
12972 to generic32/generic64 and "i686" to "generic32", refuse
12973 "generic32"/"generic64" as arch target.
12974 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12975 (ix86_reorg): Honor PAD_RETURNS.
12977 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12979 * tree-pretty-print.c (dump_generic_node): Handle
12980 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12981 * cgraph.c (cgraph_expand_queue): Rename from
12982 cgraph_analyze_queue. Update all users.
12983 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12984 cgraph_expand_queue.
12985 (cgraph_expand_all_functions): Likewise.
12986 (cgraph_finalize_pending_functions): Remove. Update callers.
12988 * tree.h (OMP_DIRECTIVE_P): Define.
12989 (OMP_PARALLEL_FN): Define.
12990 (OMP_PARALLEL_DATA_ARG): Define.
12991 (OMP_SECTIONS_SECTIONS): Define.
12992 * tree-pass.h (pass_expand_omp): Declare.
12993 * omp-low.c (struct omp_region): Declare.
12994 (struct omp_context): Remove fields 'parallel_type',
12995 'parallel_start_ix' and 'parallel_start_additional_args'.
12997 (struct omp_for_data): Rename from struct expand_omp_for_data.
12998 (omp_regions): New static variable.
12999 (root_omp_region): New static variable.
13000 (find_omp_clause): Make static.
13001 (is_in_combined_parallel_ctx): Remove.
13002 (is_combined_parallel): New.
13003 (extract_omp_for_data): Move earlier in the file.
13004 (workshare_safe_to_combine_p): New.
13005 (get_ws_args_for): New.
13006 (determine_parallel_type): Move earlier in the file.
13007 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13009 (omp_copy_decl): Likewise.
13010 (create_omp_child_function): Likewise.
13011 (lookup_omp_region): New.
13012 (dump_omp_region): New.
13013 (debug_omp_region): New.
13014 (debug_all_omp_regions): New.
13015 (new_omp_region): New.
13016 (scan_omp_parallel): If parallel_nesting_level > 1, the
13017 directive is nested within another parallel directive.
13018 Set OMP_PARALLEL_FN.
13019 (scan_omp_for): Do not try to handle combined parallel+for
13021 Remove FIXME comment.
13022 (scan_omp_nested): Remove.
13023 (scan_omp_1): Do not call scan_omp_nested when
13024 parallel_nesting_level is > 1.
13025 Do not change the DECL_CONTEXT of local variables found.
13026 (lookup_decl_in_outer_ctx): New.
13027 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13028 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13029 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13030 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13031 If CTX is nested, lookup VAR in the outer context when
13032 building copy assignment.
13033 (lower_send_clauses): Rename from expand_send_clauses.
13034 If CTX is nested, lookup VAR in the outer context when
13035 building copy assignments.
13036 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13037 If CTX is nested, lookup VAR in the outer context when
13038 building copy assignments.
13039 (expand_parallel_call): Rename from build_parallel_call.
13040 Handle combined parallel+workshare cases.
13041 Re-implement to emit code into the CFG.
13043 (expand_omp_parallel): Re-implement to emit code into the CFG.
13044 Call move_sese_region_to_fn to outline the sub-graph
13045 containing the parallel region.
13046 (expand_omp_for_1): Remove.
13047 (expand_omp_for_generic): Re-implement to emit code into the
13049 (expand_omp_for_static_nochunk): Likewise.
13050 (expand_omp_for_static_chunk): Likewise.
13051 (expand_omp_for): Likewise.
13052 (expand_omp_sections): Likewise.
13053 (remove_exit_barriers): New.
13054 (expand_omp_synch): New.
13056 (build_omp_regions_1): New.
13057 (build_omp_regions): New.
13058 (execute_expand_omp): New.
13059 (gate_expand_omp): New.
13060 (pass_expand_omp): Define.
13061 (lower_omp_sections): Rename from expand_omp_sections.
13062 Set OMP_SECTIONS_SECTIONS.
13063 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13064 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13065 (lower_omp_single): Rename from expand_omp_simple.
13066 (lower_omp_master): Rename from expand_omp_master.
13067 (lower_omp_ordered): Rename from expand_omp_ordered.
13068 (lower_omp_critical): Rename from expand_omp_critical.
13069 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13070 (lower_omp_for): Re-implement.
13071 (lower_omp_parallel): Re-implement.
13072 (lower_regimplify): Rename from expand_regimplify.
13073 (lower_omp_1): Rename from expand_omp_1.
13074 If there are syntax errors in the program, replace every
13075 OpenMP directive with NOP.
13076 Call lower_omp_* instead of expand_omp_*.
13077 (lower_omp): Rename from expand_omp.
13079 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13080 * tree-gimple.h (enum omp_parallel_type): Remove.
13081 (gimple_boolify): Declare extern.
13082 (find_omp_clause, determine_parallel_type): Remove.
13084 * gimple-low.c (lower_omp_directive): New.
13085 (lower_stmt): Call it.
13086 (record_vars_into): Move from ...
13087 (record_vars): ... here.
13088 Call record_vars_into with current_function_decl.
13090 * gimplify.c (struct gimplify_ctx): Remove fields
13091 combined_pre_p and combined_ctxp. Update users.
13092 (get_formal_tmp_var): Add documentation.
13093 (gimple_boolify): Make extern.
13094 (gimplify_expr_in_ctx): Remove. Update callers.
13095 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13096 will always be a BIND_EXPR.
13097 (gimplify_expr): Handle OMP_RETURN_EXPR.
13098 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13099 (OMP_PARALLEL): Add 3 operands.
13100 (OMP_SECTIONS): Add 1 operand.
13101 (OMP_RETURN_EXPR): Define.
13103 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13104 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13105 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13106 creating a circular free list.
13107 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13109 * tree-flow.h (move_sese_region_to_fn): Declare.
13110 (record_vars_into): Declare.
13111 * tree-cfg.c (make_omp_sections_edges): New.
13112 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13113 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13114 OMP_SECTIONS and OMP_SECTION.
13115 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13116 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13117 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13118 (gather_blocks_in_sese_region): New.
13119 (struct move_stmt_d): Declare.
13120 (move_stmt_r): New.
13121 (move_block_to_fn): New.
13122 (move_sese_region_to_fn): New.
13124 * passes.c (init_optimization_passes): Schedule
13125 pass_expand_omp after pass_init_datastructures.
13127 * tree-ssa-operands.c (get_expr_operands): Handle
13128 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13129 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13131 2006-01-19 Jeff Law <law@redhat.com>
13133 * tree-vrp.c (extract_range_from_assert): Refine the result range
13134 if the variable referenced by the ASSERT_EXPR has a range and
13135 either the tentative result range or the previous range is a
13138 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13140 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13142 2006-01-19 Jan Hubicka <jh@suse.cz>
13144 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13146 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13148 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13149 (expand_compound_operation, expand_field_assignment): Fail if the
13150 bit lengths of an extract operation are out of range.
13151 (make_extraction): Compute wanted_inner_mode based on the position
13152 and length of the extraction. Make it extraction_mode for non-constant
13153 positions, and do not modify offset in that case. When generating a
13154 new MEM, use a mode that can hold the extraction while keeping correct
13155 alignment. Remove code that supported MEMs wrapped by USEs.
13156 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13158 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13160 * config/s390/s390.md ("Y", "y"): New mode attribute.
13161 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13162 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13163 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13164 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13165 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13166 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13167 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13168 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13169 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13170 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13171 "addsi3", "subsi3"): Insn patterns removed.
13172 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13173 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13174 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13175 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13176 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13177 "*sub<mode>3_cconly2"): New insn patterns.
13178 ("addsi3", "subsi3"): New expanders.
13180 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13182 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13183 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13184 existing STMT_VINFO_VECTYPE if available.
13185 (vect_mark_relevant): Add special handling for stmts that are
13186 marked as STMT_VINFO_IN_PATTERN_P.
13187 (vect_analyze_loop): Call vect_pattern_recog.
13188 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13189 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13191 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13192 (vect_recog_func_ptr): New function-pointer type.
13193 * tree-vect-patterns.c: New file.
13194 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13195 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13196 (vect_pattern_recog_1): New functions.
13197 (vect_pattern_recog_funcs): New array of function pointers.
13199 * tree-vectorizer.h (ternary_op): New enum value.
13200 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13201 declaration. Revised documentation. Removed redundant dump prints.
13202 Removed redundant argument. Added support for reduction patterns.
13203 (vectorizable_reduction): Added support for reduction patterns.
13204 (vect_transform_stmt): Added support for patterns.
13206 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13207 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13208 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13209 (expand_widen_pattern_expr): New function.
13210 (init_optabs): Initialize new optabs udot_prod_optab,
13212 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13213 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13214 (expand_widen_pattern_expr): New function declaration.
13215 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13217 * tree-inline.c (estimate_num_insns_1): Added cases for new
13218 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13219 * tree-pretty-print.c (dump_generic_node): Likewise.
13220 (op_prio): Likewise.
13221 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13222 * tree-ssa-operands.c (get_expr_operands): Added case for
13224 * tree-vect-patterns.c (widened_name_p): New function.
13225 (vect_recog_dot_prod_pattern): Added function implementation.
13226 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13227 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13228 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13229 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13231 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13232 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13233 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13234 (init_optabs): Initialize new optabs widen_ssum_optab,
13236 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13237 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13238 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13239 use instead of type of def.
13240 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13241 function implementation.
13242 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13243 widen_ssumv8hi): New.
13245 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13248 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13251 * c-decl.c (add_flexible_array_elts_to_size): New function.
13252 (finish_decl): Use it.
13254 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13256 * diagnostic.h: Include options.h.
13257 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13258 dependancies for diagnostic.h.
13259 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13261 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13263 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13264 (ssa_ro_call_cache_valid): Ditto.
13265 * tree-ssa-alias.c (sort_tags_by_id): New function.
13266 (init_transitive_clobber_worklist): Ditto.
13267 (add_to_worklist): Ditto.
13268 (mark_aliases_call_clobbered): Ditto.
13269 (compute_tag_properties): Ditto.
13270 (set_initial_properties): Ditto.
13271 (compute_call_clobbered): Ditto.
13272 (compute_may_aliases): Call compute_call_clobbered and grouping.
13273 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13274 (compute_flow_insensitive_aliasing): Grouping now happens in our
13276 (setup_pointers_and_addressables): Remove clobbering related code.
13277 (add_may_alias): Ditto.
13278 (replace_may_alias): Ditto.
13279 (get_nmt_for): Ditto.
13280 (create_global_var):
13281 (is_escape_site): Return an escape_type enumeration.
13282 * tree-flow-inline.h (is_call_clobbered): Global var does not
13283 imply call clobbered.
13284 (mark_call_clobbered): Take a reason for marking this. Remove
13285 marking of globalness, and cache invalidation.
13286 (clear_call_clobbered): Remove cache invalidation code.
13287 * tree-dfa.c (dump_variable): If details is on, dump the reason
13289 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13291 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13292 (struct var_ann_d): Ditto.
13293 (enum escape_type): New.
13294 (mark_call_clobbered): Adjust prototype.
13295 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13296 are never call clobbered.
13297 Record reasons for escaping.
13298 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13299 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13300 (ssa_ro_call_cache_valid): Ditto.
13301 (clobbered_v_may_defs): Ditto.
13302 (clobbered_vuses): Ditto.
13303 (ro_call_vuses): Ditto.
13304 (clobber_stats): New.
13305 (init_ssa_operands): Zero out clobber stats.
13306 (fini_ssa_operands): Print out clobber stats.
13307 (get_call_expr_operands): Pass callee fndecl to
13308 add_call_read_ops).
13309 (add_call_clobber_ops): Remove use of cache.
13310 Add use of PURE_CONST information.
13311 (add_call_read_ops): Remove use of cache.
13312 Add use of static not_read information.
13314 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13316 Introduce TLS descriptors for i386 and x86_64.
13317 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13318 (TARGET_ANY_GNU_TLS): New macro.
13319 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13320 (struct machine_function): Add tls_descriptor_call_expanded_p.
13321 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13322 (ix86_current_function_calls_tls_descriptor): Likewise.
13323 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13324 (override_options): Introduce gnu2 tls dialect.
13325 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13327 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13329 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13330 (ix86_init_machine_status): Initialize new field.
13331 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13332 (ix86_tls_module_base): New.
13333 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13334 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13335 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13336 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13337 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13338 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13339 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13340 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13341 * config/i386/predicates.md (tls_modbase_operand): New.
13342 (tp_or_register_operand): New.
13344 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13346 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13347 (look_for_address_of): Ditto.
13348 (ipa_init): Walk the function decls.
13349 (static_execute): Don't set readonly on FUNCTION_DECL's.
13351 2006-01-18 Roger Sayle <roger@eyesopen.com>
13353 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13354 for shifts where the source and destination registers are different.
13356 2006-01-18 Paul Brook <paul@codesourcery.com>
13358 Merge from csl-arm-branch.
13359 2005-03-14 Julian Brown <julian@codesourcery.com>
13360 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13361 (aeabi_llsl): Likewise.
13362 (ashrdi3): Likewise.
13363 (aeabi_lasr): Likewise.
13364 (lshrdi3): Likewise.
13365 (aeabi_llsr): Likewise.
13366 2005-03-10 Julian Brown <julian@codesourcery.com>
13367 * config.gcc: Disable shared libgcc for SymbianOS.
13368 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13370 2006-01-18 DJ Delorie <dj@redhat.com>
13372 * c-pragma.c (handle_pragma_diagnostic): New.
13373 (init_pragma): Register it.
13374 * doc/extend.texi: Document it.
13376 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13377 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13378 (diagnostic_context): Add classify_diagnostic[].
13379 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13380 as errors if they're overridden to DK_WARNING.
13381 (diagnostic_initialize): Initialize classify_diagnostic[].
13382 (diagnostic_set_kind_override): New.
13383 (diagnostic_report_diagnostic): Check for kind changes.
13384 * opts.c (common_handle_option): Take lang_mask. Update callers.
13385 Handle OPT_Werror_.
13386 * common.opt (Werror=): New.
13387 * doc/invoke.texi: Document -Werror=*
13389 2006-01-18 Jeff Law <law@redhat.com>
13391 * tree-vrp.c (test_for_singularity): Correct test for new
13392 min limit. Use operand_equal_p rather than pointer equality
13393 for testing if new min/max values are equal.
13395 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13396 using range information until after propagation and folding.
13398 2006-01-18 Richard Henderson <rth@redhat.com>
13399 Aldy Hernandez <aldyh@redhat.com>
13400 Jakub Jelinek <jakub@redhat.com>
13401 Diego Novillo <dnovillo@redhat.com>
13403 * omp-low.c: New file.
13404 * c-omp.c: New file.
13406 2006-01-18 Richard Henderson <rth@redhat.com>
13407 Jakub Jelinek <jakub@redhat.com>
13408 Diego Novillo <dnovillo@redhat.com>
13410 * doc/invoke.texi: Document -fopenmp.
13411 * tree-dump.h (debug_function): Declare.
13412 * hooks.c (hook_bool_tree_bool_false): New function.
13413 (hook_tree_tree_null): Remove.
13414 (hook_tree_tree_tree_null): New.
13415 * hooks.h: Update to match.
13416 * tree-pretty-print.c (debug_tree_chain): New.
13417 (print_generic_expr): Handle TDF_CHAIN.
13418 (dump_generic_node): Handle BLOCK.
13419 Do not abort with incomplete SWITCH_EXPRs.
13420 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13421 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13422 print space after directive name.
13423 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13424 Handle OMP_MASTER and OMP_ORDERED.
13425 Handle printing of OMP_BODY just in one place, goto
13426 dump_omp_body in the rest of OMP_* nodes that have
13428 Don't handle clause nodes here. Update omp statements to
13429 use dump_omp_clauses.
13430 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13431 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13432 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13433 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13434 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13435 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13436 Adjust output for GOMP_PARALLEL.
13437 (dump_omp_clauses): New.
13438 (print_declaration): Dump DECL_VALUE_EXPR.
13439 (op_symbol_1): Split out of op_symbol.
13440 (dumping_stmts): Remove. Update all users.
13441 * cgraph.c (cgraph_analyze_queue): New.
13442 (cgraph_add_new_function): New.
13443 * cgraph.h (cgraph_analyze_queue): Declare.
13444 (cgraph_add_new_function): Declare.
13445 (cgraph_lower_function): Remove.
13446 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13447 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13448 and TYPE_P nodes in its default clause.
13449 (empty_body_p): New.
13450 (tree_range_check_failed): New.
13451 (build5_stat): New.
13452 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13453 OMP_CLAUSE_REDUCTION_MERGE,
13454 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13455 OMP_CLAUSE_PRIVATE_DEBUG,
13456 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13457 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13458 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13459 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13460 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13461 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13462 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13463 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13464 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13465 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13466 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13467 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13468 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13469 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13470 (TREE_RANGE_CHECK): New.
13471 (empty_body_p): Declare.
13472 (enum omp_clause_default_kind): New.
13473 (build_string_literal): Declare.
13474 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13475 (build5_stat, build5): Declare.
13476 * tree-pass.h (TDF_CHAIN): Define.
13477 * tree-pass.h (PROP_gimple_lomp): Define.
13478 (pass_lower_omp): Declare.
13479 * diagnostic.h (debug_tree_chain): Declare.
13480 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13482 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13483 * builtins.c (build_string_literal): Make extern.
13484 * gcc.c (include_spec_function): New.
13485 (static_spec_functions): Add it.
13486 (main): Move load of libgomp.spec ...
13487 (LINK_COMMAND_SPEC): ... here.
13488 (link_gomp_spec): New.
13489 (static_specs): Include it.
13490 (LINK_COMMAND_SPEC): Add link_gomp.
13491 (GOMP_SELF_SPECS): New.
13492 (driver_self_specs): Include it.
13493 (switch_matches): Don't mark inline.
13494 (main): Load libgomp.spec.
13495 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13496 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13497 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13498 * tree-gimple.h (enum omp_parallel): Declare.
13499 (determine_parallel_type): Declare.
13500 (omp_firstprivatize_variable): Declare.
13501 (omp_reduction_init): Declare.
13502 (diagnose_omp_structured_block_errors): Declare.
13503 (struct walk_stmt_info): Add want_return_expr.
13504 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13505 (find_omp_clause): Declare.
13506 (insert_field_into_struct): Declare.
13507 (struct walk_stmt_info): Move from tree-nested.c
13508 (walk_stmts): Declare.
13509 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13511 * cgraphunit.c (cgraph_lower_function): Make static.
13512 (cgraph_finalize_pending_functions): New.
13513 (cgraph_finalize_function): Call it.
13514 (cgraph_finalize_compilation_unit): Likewise.
13515 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13516 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13517 (BT_FN_UINT_UINT): New.
13518 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13519 DEF_FUNCTION_TYPE_VAR_4): Document.
13520 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13521 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13522 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13523 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13524 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13525 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13526 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13527 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13528 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13529 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13530 into separate files.
13531 (DEF_GOMP_BUILTIN): New.
13532 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13533 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13534 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13535 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13536 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13537 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13538 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13539 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13540 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13541 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13542 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13543 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13544 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13545 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13546 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13547 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13548 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13549 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13550 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13551 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13552 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13553 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13554 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13555 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13556 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13557 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13558 * sync-builtins.def: New file, moved from builtins.def.
13559 * omp-builtins.def: New file, moved from builtins.def.
13560 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13561 * gimple-low.c (lower_function_body): Clear data.
13562 (lower_stmt): Do not handle COMPOUND_EXPR.
13563 Remove call to print_node_brief.
13564 * c-tree.h (c_finish_omp_clauses): New prototype.
13565 (C_DECL_THREADPRIVATE_P): Define.
13566 (lookup_name_no_remap, c_omp_remap_private): Remove
13567 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13568 (check_for_loop_decls): Update decl.
13569 (lookup_name_no_remap, c_omp_remap_private): Declare.
13570 (build_indirect_ref, build_modify_expr, pushdecl,
13571 pushdecl_top_level): Move to c-common.h.
13572 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13573 before the switch, but just in the 2 places that need it.
13574 * c-decl.c (diagnose_mismatched_decls): Do not check for
13575 mismatched thread-local attributes when OLDDECL is marked
13576 threadprivate and NEWDECL has no thread-local attributes.
13577 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13578 (c_gimple_diagnostics_recursively): Rename from
13579 c_warn_unused_result_recursively. Invoke
13580 diagnose_omp_structured_block_errors.
13581 (check_for_loop_decls): Return a singular decl found.
13582 * langhooks.c (lhd_omp_predetermined_sharing): Return
13583 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13584 (lhd_omp_firstprivatize_type_sizes): New.
13585 (lhd_omp_assignment): New.
13586 (lhd_omp_predetermined_sharing): New.
13587 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13588 (struct lang_hooks_for_types): Add
13589 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13590 omp_predetermined_sharing, omp_disregard_value_expr,
13591 omp_private_debug_clause, omp_clause_default_ctor,
13592 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13593 (c_finish_omp_clauses): New.
13594 (c_finish_bc_stmt): Diagnose break within omp for.
13595 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13596 (build_unary_op): Return error_mark after reporting
13598 (build_modify_expr): Likewise.
13599 * gimplify.c: Include optabs.h and pointer-set.h.
13600 (enum gimplify_omp_var_data): Declare.
13601 (struct gimplify_omp_ctx): Declare.
13602 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13604 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13605 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13606 (splay_tree_compare_decl_uid): New.
13607 (new_omp_context): New.
13608 (delete_omp_context): New.
13609 (gimple_add_tmp_var): Call omp_add_variable.
13610 (gimplify_bind_expr): Likewise.
13611 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13612 true, disregard DECL_VALUE_EXPR on the decl if any.
13613 (gimplify_expr_in_ctx): New.
13614 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13615 omp_add_variable, omp_notice_variable, omp_is_private
13616 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13617 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13618 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13619 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13620 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13621 gimplify_omp_atomic): New.
13622 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13623 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13624 OMP_CRITICAL and OMP_ATOMIC.
13625 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13626 * c-pragma.h (enum pragma_kind): Add
13627 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13628 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13629 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13630 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13631 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13632 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13633 PRAGMA_OMP_THREADPRIVATE.
13634 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13635 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13636 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13637 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13638 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13639 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13640 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13641 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13642 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13643 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13644 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13645 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13646 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13648 (struct nesting_info): Add field_map,
13649 suppress_expansion, debug_var_chain.
13650 (create_nesting_tree): Initialize them.
13651 (lookup_field_for_decl): Use field_map.
13652 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13653 (convert_local_omp_clauses): New.
13654 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13655 (walk_body): Split out of walk_function.
13656 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13657 (convert_nonlocal_reference): Handle omp statements.
13658 (convert_local_reference): Likewise.
13659 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13660 (unnest_nesting_tree): New.
13661 (lower_nested_functions): Call it.
13662 (insert_field_into_struct): Make extern.
13663 (struct walk_stmt_info): Move to tree-gimple.h.
13664 (walk_stmts): Make extern.
13665 * omp-builtins.def: New file.
13666 * tree-iterator.c (expr_only): Clarify comment.
13667 * c-common.h (pushdecl_top_level, pushdecl,
13668 build_modify_expr, build_indirect_ref,
13669 c_finish_omp_master, c_finish_omp_critical,
13670 c_finish_omp_ordered, c_finish_omp_barrier,
13671 c_finish_omp_atomic, c_finish_omp_flush,
13672 c_finish_omp_for, c_split_parallel_clauses,
13673 omp_clause_default_kind, c_omp_sharing_predetermined,
13674 c_omp_remap_decl): Declare.
13675 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13676 (OBJS-common): Add omp-low.o.
13677 (c-omp.o, omp-low.o): Add.
13678 (gimplify.o): Add dependency on $(OPTABS_H).
13679 (GTFILES): Add omp-low.c.
13680 (gt-stringpool.h): Add.
13681 * tree-cfg.c (set_bb_for_stmt): Do not update the
13682 block-to-labels map if we are currently expanding to RTL.
13683 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13685 Handle IDENTIFIER_NODE.
13686 (tree_verify_flow_info): Do not ICE when emitting error
13687 messages about invalid labels.
13688 (dump_function_to_file): Reset CFUN before emitting the body
13690 (debug_function): New.
13691 * passes.c (init_optimization_passes): Schedule
13693 * langhooks-def.h (lhd_omp_predetermined_sharing,
13694 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13696 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13697 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13698 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13699 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13700 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13701 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13702 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13703 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13704 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13705 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13706 (LANG_HOOK_DECLS): Use them.
13708 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13709 Richard Henderson <rth@redhat.com>
13710 Jakub Jelinek <jakub@redhat.com>
13711 Diego Novillo <dnovillo@redhat.com>
13713 * c-parser.c (pragma_omp_clause): Define.
13714 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13715 (c_parser_compound_statement): Likewise.
13716 (c_parser_statement): Likewise.
13717 (c_parser_pragma): Handle omp pragmas.
13718 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13719 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13720 (c_parser_omp_clause_name, check_no_duplicate_clause,
13721 c_parser_omp_variable_list,
13722 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13723 c_parser_omp_clause_copyprivate,
13724 c_parser_omp_clause_default,
13725 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13726 c_parser_omp_clause_lastprivate,
13727 c_parser_omp_clause_nowait,
13728 c_parser_omp_clause_num_threads,
13729 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13730 c_parser_omp_clause_reduction,
13731 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13732 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13733 c_parser_omp_atomic, c_parser_omp_barrier,
13734 c_parser_omp_critical, c_parser_omp_flush,
13735 c_parser_omp_for_loop, c_parser_omp_for,
13736 c_parser_omp_master, c_parser_omp_ordered,
13737 c_parser_omp_sections_scope, c_parser_omp_sections,
13738 c_parser_omp_parallel, c_parser_omp_single,
13739 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13740 * c-pragma.c (init_pragma): Do omp pragma registration here.
13741 * c.opt (fopenmp): New flag.
13743 2006-01-18 Eric Christopher <echristo@apple.com>
13745 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13746 * config/darwin.h (GOMP_SELF_SPECS): Define.
13748 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13750 * rtl.h: Remove the prototype for reg_alloc.
13752 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13755 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13756 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13757 sjlj and dwarf2 exception handling.
13758 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13759 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13760 * pa/pa.c (function_value): Treat complex and vector types as
13762 (function_arg): Likewise. Only pass scalar floats in the floating
13763 point argument registers.
13764 * pa/t-slibgcc-dwarf-ver: New file.
13765 * pa/t-slibgcc-sjlj-ver: New file.
13766 * pa/t-slibgcc-elf-ver: Delete file.
13768 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13770 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13771 unlikely_test_section_p test.
13773 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13775 * mode-switching.c (optimize_mode_switching): Make it static.
13776 * basic-block.h: Remove the prototype for
13777 optimize_mode_switching.
13779 * modulo-sched.c (sms_schedule): Make it static.
13780 * rtl.h: Remove the prototype for sms_schedule.
13782 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13783 * rtl.h: Remove the prototype for gcse_after_reload_main.
13785 * reg-stack.c (reg_to_stack): Make it static.
13786 * rtl.h: Remove the prototype for reg_to_stack.
13788 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13790 * rtl.h: Remove the prototypes for regrename_optimize and
13791 copyprop_hardreg_forward.
13793 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13795 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13796 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13797 Test against the appropriate null constant for the mode.
13798 If 'fixup_overlap' is true, swap the operands if they overlap.
13799 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13800 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13801 alpha_split_tmode_pair and adjust for above change.
13802 * config/alpha/alpha.md (movtf_internal): Adjust call to
13803 alpha_split_tfmode_pair and rely on it to swap the operands.
13804 (movti_internal): New insn and post-reload splitter.
13805 (movti): New expander.
13807 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13809 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13812 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13814 * rtlanal.c (global_reg_mentioned_p_1,
13815 global_reg_mentioned_p): Remove.
13816 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13818 * flow.c (initialize_uninitialized_subregs): Make it static.
13819 * rtl.h: Remove the prototype for
13820 initialize_uninitialized_subregs.
13822 * function.c (instantiate_virtual_regs): Make it static.
13823 * function.h: Remove the prototype for
13824 instantiate_virtual_regs.
13826 * regmove.c (regmove_optimize, combine_stack_adjustments):
13828 * rtl.h: Remove the prototypes for regmove_optimize and
13829 combine_stack_adjustments.
13831 2006-01-17 Roger Sayle <roger@eyesopen.com>
13833 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13834 (size_cost): Encode costs in bytes so that a reg-reg addition is
13835 equivalent to COSTS_N_INSNS(1).
13836 (override_options): Use the size_cost.branch_cost as the default
13837 ix86_branch_cost when optimizing for size.
13839 2006-01-18 Ben Elliston <bje@au.ibm.com>
13841 * Makefile.in (D32PBIT_FUNCS): New.
13842 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13843 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13844 D64PBIT_FUNCS and D128PBIT_FUNCS.
13845 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13846 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13848 (decnumber_dep): Define.
13849 * doc/libgcc.texi (Decimal float library routines): New node.
13850 * config/dfp-bit.h, config/dfp-bit.c: New files.
13852 2006-01-18 Ben Elliston <bje@au.ibm.com>
13854 * expr.c (emit_move_change_mode): Always adjust addresses, not
13855 just during reload. Copy replacements only during reload.
13856 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13857 emit_move_via_integer.
13859 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13861 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13862 instead of $(srcdir) and ${srcdir}.
13864 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13867 PR middle-end/11135
13868 * arm.h (struct machine_function): Add pic_reg.
13869 * arm.c (arm_pic_register): Make unsigned.
13870 (arm_override_options): Only set arm_pic_register if
13871 TARGET_SINGLE_PIC_BASE.
13872 (use_return_insn): Only test for a pic register if it is fixed.
13873 (arm_compute_save_reg0_reg12_mask): Likewise.
13874 (thumb_compute_save_reg_mask): Likewise.
13875 (legitimate_pic_operand): Factor out some known invariants.
13876 (legitimize_pic_address): If we don't have a fixed pic register,
13877 then set up a pseudo in the function entry sequence. Handle the
13878 pic base being in a pseudo.
13879 (arm_load_pic_register): Handle the pic register being in a pseudo.
13880 (arm_expand_prologue): Only set up the pic register if it is fixed.
13881 (thumb_expand_prologue): Likewise.
13882 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13883 (pic_load_addr_based_insn): Likewise.
13884 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13887 2006-01-18 Ben Elliston <bje@au.ibm.com>
13889 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13890 decimal float modes for all floating point registers.
13892 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13893 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13895 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13898 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13899 even when the pointer is not NULL.
13901 2006-01-16 Ian Lance Taylor <ian@airs.com>
13903 * common.opt (ftoplevel-reorder): New option.
13904 * cgraph.c (cgraph_asm_nodes): New global variable.
13905 (cgraph_asm_last_node): New static variable.
13906 (cgraph_order): New global variable.
13907 (cgraph_create_node): Set new order field.
13908 (cgraph_varpool_node): Likewise.
13909 (decide_is_variable_needed): Return true if not
13910 flag_toplevel_reorder.
13911 (cgraph_add_asm_node): New function.
13912 * cgraph.h (struct cgraph_node): Add order field.
13913 (struct cgraph_varpool_node): Add order field.
13914 (struct cgraph_asm_node): Define.
13915 (cgraph_asm_nodes, cgraph_order): Declare.
13916 (cgraph_add_asm_node): Declare.
13917 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13919 (cgraph_varpool_assemble_pending_decls): Call it.
13920 (cgraph_output_pending_asms): New static function.
13921 (cgraph_finalize_compilation_unit): Call it.
13922 (struct cgraph_order_sort): Define.
13923 (cgraph_output_in_order): New static function.
13924 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13925 !flag_toplevel_reorder case.
13926 * c-parser.c: Include "cgraph.h".
13927 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13929 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13930 than -fno-unit-at-a-time.
13931 * doc/invoke.texi (Option Summary): Mention
13932 -fno-toplevel-reorder.
13933 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13934 -funit-at-a-time documentation.
13936 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13937 Kazu Hirata <kazu@codesourcery.com>
13939 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13941 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13943 * Makefile.in (FUNCTION_H): New. Use it instead of
13944 function.h throughout the file.
13945 * function.h: Include tree.h.
13947 2006-01-17 Ben Elliston <bje@au.ibm.com>
13949 * recog.c: Separate some functions with whitespace.
13951 2006-01-16 Richard Henderson <rth@redhat.com>
13953 Merge from gomp branch:
13954 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13955 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13956 and rename from struct inline_data. Rename callee* to dst*;
13957 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13958 transform_new_cfg, transform_return_to_modify, and
13959 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13961 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13962 (copy_decl_for_dup): Remove.
13963 * tree-inline.c (struct inline_data): Move to header.
13964 (insert_decl_map): Export.
13965 (remap_decl): Update for member name changes. Use copy_decl hook.
13966 Allow for replacement to be a non-decl. Remove dead code.
13967 (remap_type_1): Check for existing mapping.
13968 (remap_type): Export.
13969 (remap_decls): Update for member name changes.
13970 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13971 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13972 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13973 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13974 (tree_function_versioning, build_duplicate_type): Likewise.
13975 (copy_body_r): Likewise. Export.
13976 (copy_decl_for_dup): Split into ...
13977 (copy_decl_for_dup_finish, copy_decl_to_var,
13978 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13979 (replace_ref_tree, inlining_p): Remove.
13981 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13983 * ifcvt.c (if_convert): Make it static.
13984 * rtl.h: Remove the prototype for if_convert.
13986 * local-alloc.c (local_alloc): Make it static.
13987 * rtl.h: Remove the prototype for local_alloc.
13989 * loop.c (loop_optimize): Make it static.
13990 * cfgloop.h: Remove the prototype for loop_optimize.
13993 2006-01-16 DJ Delorie <dj@redhat.com>
13995 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13998 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14000 * pa.md: Disparage copies between general and floating-point registers
14001 in 32-bit move patterns.
14003 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14006 * Makefile.in (check-%): Depend on site.exp instead of
14007 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14010 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14012 * global.c (global_alloc): Make it static.
14013 * rtl.h: Remove the prototype for global_alloc.
14015 2006-01-16 Richard Guenther <rguenther@suse.de>
14017 * tree-ssa-alias.c (struct used_part): Add write_only field.
14018 (get_or_create_used_part_for): Initialize it to true.
14019 (create_overlap_variables_for): Don't create structure variables
14020 for structures that only are written to.
14021 (find_used_portions): Handle MODIFY_EXPR to track whether a
14022 structure is only written to.
14024 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14026 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14028 * basic-block.h: Remove the prototype for
14029 partition_hot_cold_basic_blocks.
14031 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14033 * cppspec.c (lang_specific_spec_functions): Remove.
14034 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14035 * gcc.h (lang_specific_spec_functions): Remove.
14036 * gccspec.c (lang_specific_spec_functions): Remove.
14038 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14040 * combine.c (record_value_for_reg): Invalidate registers
14042 (record_dead_and_set_regs_1): Likewise, by passing them to
14043 record_value_for_reg.
14044 (record_dead_and_set_regs): Invalidate stores made by a
14045 call. We do not combine across a call, but we still
14046 relied on equivalences.
14048 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14050 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14051 vrp_int_const_binop returning non-constant nodes.
14053 2006-01-16 Paul Brook <paul@codesourcery.com>
14055 * config/m68k/m68k.c (output_move_const_into_data_reg):
14056 Output correct mnemonic for mvz and mvs.
14058 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14060 * rtl-factoring.c: Add sequence abstraction algorithm.
14061 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14062 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14064 (block_has_preserve_label): New function.
14065 * common.opt: Register new pass.
14066 * Makefile.in: Ditto.
14068 * timevar.def: Ditto.
14069 * tree-pass.h: Ditto.
14070 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14071 * rtl.h (make_jump_insn_raw): Add forward decl.
14072 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14074 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14075 Roger Sayle <roger@eyesopen.com>
14077 * fold-const.c (fold_minmax): New static function.
14078 (fold_binary) <MIN_EXPR>: Call it.
14079 <MAX_EXPR>: Likewise.
14080 * stor-layout.c (place_field): Use DECL_SIZE consistently
14081 in the computation of the new record size.
14083 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14085 * cse.c (cse_condition_code_reg): Make it static.
14086 * rtl.h: Remove the prototype for cse_condition_code_reg.
14088 * combine.c (combine_instructions): Make it static.
14089 * rtl.h: Remove the prototype for combine_instructions.
14091 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14094 * tree.c (get_file_function_name_long): Concatenate the first global
14095 object name with a string derived from the input filename of the object
14098 2006-01-16 Ben Elliston <bje@au.ibm.com>
14100 * config/i386/winnt-stubs.c: Update FSF address.
14101 * config/xtensa/ieee754-df.S: Ditto.
14102 * config/xtensa/ieee754-sf.S: Ditto.
14104 2006-01-14 Ian Lance Taylor <ian@airs.com>
14106 * ifcvt.c (noce_init_if_info): New static function, broken out of
14107 noce_process_if_block.
14108 (noce_process_if_block): Call noce_init_if_info.
14109 (check_cond_move_block): New static function.
14110 (cond_move_process_if_block): New static function.
14111 (process_if_block): Call cond_move_process_if_block.
14113 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14115 * cselib.c (hash_table): Rename to cselib_hash_table.
14116 (cselib_clear_table, discard_useless_values,
14117 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14118 cselib_init, cselib_finish): Adjust uses of hash_table.
14120 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14122 PR tree-optimization/25485
14123 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14124 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14125 is known to be false and true, respectively.
14127 2006-01-14 Richard Guenther <rguenther@suse.de>
14129 PR tree-optimization/22548
14130 PR tree-optimization/22555
14131 PR tree-optimization/22501
14132 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14133 * params.def (salias-max-array-elements): New parameter.
14134 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14135 * doc/invoke.texi (salias-max-array-elements): Document.
14136 * tree-flow-inline.h (var_can_have_subvars): We also handle
14138 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14140 * tree-ssa-structalias.c (params.h): Include.
14141 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14142 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14143 (get_constraint_for): For ADDR_EXPR operating on something
14144 containing an ARRAY_REF, add all subvars to the solution.
14145 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14146 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14147 for creating MUST_DEFs.
14148 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14150 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14152 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14154 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14155 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14156 number_of_iterations_le): New functions.
14157 (number_of_iterations_special): Removed.
14158 (number_of_iterations_exit): Do not use number_of_iterations_special.
14159 * tree.c (unsigned_type_for): Always return integer type.
14161 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14162 Richard Guenther <rguenther@suse.de>
14164 PR rtl-optimization/24257
14165 * gcse.c (find_moveable_store): Only consider a store movable
14166 when the SET_SRC of the insn can be assigned to a register.
14168 2006-01-14 Ian Lance Taylor <ian@airs.com>
14170 * tree.c (tree_not_class_check_failed): New function.
14171 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14172 (tree_not_class_check_failed): Declare.
14174 2006-01-13 Ian Lance Taylor <ian@airs.com>
14176 * reload1.c (do_output_reload): Add assertion rejecting a
14179 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14181 * combine.c (struct reg_stat): Add new fields truncation_label and
14183 (record_value_for_reg): Reset truncated_to_mode.
14184 (record_truncated_value): New function.
14185 (check_promoted_subreg): Call it. Rename to check_conversions.
14186 (combine_instructions): Rename check_promoted_subreg to
14188 (reg_truncated_to_mode): New function.
14189 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14190 (gen_lowpart_or_truncate): New function.
14191 (force_to_mode): Use it instead of gen_lowpart.
14193 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14195 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14196 VAR is a tag, not its type tag.
14198 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14200 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14201 alternatives to match style of other entries.
14202 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14204 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14206 PR tree-optimization/25771
14207 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14210 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14213 * tree-inline.c (declare_return_variable): If the return variable
14214 was marked as a non gimple complex, set the return slot variable
14215 to be a non gimple comple variable.
14217 2006-01-13 Richard Guenther <rguenther@suse.de>
14219 * builtins.c (expand_builtin_sincos): New function.
14220 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14222 (expand_builtin): Expand sincos using expand_builtin_sincos.
14224 2006-01-12 DJ Delorie <dj@redhat.com>
14226 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14227 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14228 so that constant shifts can be split.
14229 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14230 (m32c_valid_pointer_mode): Make static.
14231 (shift_gen_func_for): New.
14232 (m32c_prepare_shift): Use it. Split large const shifts into
14234 * config/m32c/predicates.md (shiftcount_operand): Allow more
14236 (longshiftcount_operand): New.
14237 * doc/md.texi (Machine Constraints): Document In6.
14239 2006-01-13 Ben Elliston <bje@au.ibm.com>
14241 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14242 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14245 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14247 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14248 to try to avoid clobbering pieces of structures when we know
14249 something about the whole structure.
14250 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14252 2006-01-13 Ben Elliston <bje@au.ibm.com>
14254 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14255 return in memory, as this is no limitation is no longer present.
14257 2006-01-12 DJ Delorie <dj@redhat.com>
14259 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14260 mova with fb, and for fb+0 -> An.
14262 * config/m32c/mov.md (peephole2): Fix enabling logic.
14264 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14265 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14266 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14267 FINI_ARRAY_SECTION_ASM_OP): Define.
14269 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14271 (m32c_legitimize_reload_address): New logic to reload FB to An.
14272 (m32c_output_reg_push): Add newline.
14273 (m32c_output_reg_pop): Likewise.
14275 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14277 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14279 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14281 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14283 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14285 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14288 2006-01-11 Ben Elliston <bje@au.ibm.com>
14290 * rtlanal.c (find_reg_note): Assert insn is not null.
14292 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14294 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14297 2006-01-11 Jeff Law <law@redhat.com>
14299 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14301 (mark_threaded_blocks, register_jump_thread): New functions.
14302 (thread_through_all_blocks): Remove unwanted argument. No
14303 longer rely on e->aux to communicate thread target info.
14304 Call mark_threaded_blocks. Release the threaded_blocks
14305 bitmap and threaded_edges vector when complete.
14306 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14307 (threaded_blocks): Remove.
14308 (tree_ssa_dominator_optimize): Remove initialization and
14309 finalization of threaded_blocks. Simplify call to
14310 thread_through_all_blocks.
14311 (thread_across_edge): Call register_jump_thread rather than
14312 storing thread information into e->aux.
14313 (free_all_edge_infos): Simplify now that e->aux is no longer
14314 used to communicate with thread_through_all_blocks.
14315 * tree-flow.h (thread_through_all_blocks): Update prototype.
14316 (register_jump_thread): Prototype.
14318 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14320 * df-core.c (df_compact_blocks, df_bb_replace): Use
14321 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14323 2006-01-11 Richard Guenther <rguenther@suse.de>
14325 PR tree-optimization/25734
14326 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14327 stop propagation after successful propagation to the LHS.
14329 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14331 * basic-block.h (control_flow_graph): Change the type of
14332 x_basic_block_info to VEC(basic_block,gc) *.
14333 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14335 (SET_BASIC_BLOCK): New.
14336 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14337 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14338 * cfgbuild.c (find_basic_blocks): Likewise.
14339 * cfglayout.c (fixup_reorder_chain): Likewise.
14340 * cfgrtl.c (create_basic_block_structure,
14341 rtl_create_basic_block): Likewise.
14342 * ifcvt.c (find_if_case_1): Likewise.
14343 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14346 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14348 * Makefile.in: Removed rotted odf.c entry.
14350 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14353 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14354 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14355 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14356 output pattern modifier, not %e.
14357 * config/cris/cris.c (cris_op_str): Update comment about pattern
14359 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14360 before falling through into...
14361 <case 'E'>: Redefined from old 'e' case.
14363 2006-01-11 Jan Hubicka <jh@suse.cz>
14366 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14368 2006-01-11 Jan Hubicka <jh@suse.cz>
14370 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14371 * i386.c (x86_decompose_lea): Kill.
14372 (ix86_rtx_costs): Kill.
14374 2006-01-11 Jan Hubicka <jh@suse.cz>
14376 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14377 * cgraph.h (cgraph_node): Add inline_decl.
14378 (cgraph_insert_node_to_hashtable): Declare.
14379 (save_inline_function_body): Declare.
14380 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14382 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14383 (cgraph_function_versioning): Update call of tree_function_versioning.
14384 (save_inline_function_body): New function.
14385 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14386 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14387 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14388 (cgraph_default_inline_p): Likewise.
14389 (cgraph_decide_inlining_incrementally): Likewise.
14390 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14391 (copy_bb): Kill saving; do updating of clones.
14392 (copy_cfg_body): Kill saving.
14393 (initialize_inlined-parameters): Likewise.
14394 (expand_call_inline): Likewise.
14396 (tree_function_versioning): New parameter "update_clones".
14397 (inlining_p): Kill saving.
14398 * tree-inline.h (tree_function_versioning): Update prototype.
14399 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14402 2006-01-11 Ian Lance Taylor <ian@airs.com>
14404 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14405 Allow undoing set of machine mode.
14406 (do_SUBST): Use enums instead of is_int.
14407 (do_SUBST_MODE): New function.
14408 (SUBST_MODE): New macro.
14409 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14410 reg and trying to replace reg_regno_rtx with a new register.
14411 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14412 (simplify_set): Use SUBST_MODE.
14413 (distribute_notes): Remove code that tried to update reg notes
14414 for regno_reg_rtx changes.
14416 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14418 PR tree-optimization/23109
14419 PR tree-optimization/23948
14420 PR tree-optimization/24123
14422 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14423 * tree-cfg.c (single_noncomplex_succ): New.
14424 * tree-flow.h (single_noncomplex_succ): Declare it.
14425 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14426 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14427 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14428 insert_bb, register_division_in, insert_reciprocals,
14429 replace_reciprocal, free_bb): New.
14430 (execute_cse_reciprocals_1): Rewritten.
14431 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14432 Do not commit any edge insertion. Always compute dominators and
14433 create the allocation pool.
14434 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14435 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14436 * targhooks.c (default_min_divistions_for_recip_mul): New.
14437 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14438 * passes.c (init_optimization_passes): Run recip after tree loop
14440 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14442 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14443 Kenneth Zadeck <zadeck@naturalbridge.com>
14445 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14446 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14447 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14448 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14449 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14450 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14451 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14452 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14453 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14454 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14455 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14456 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14457 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14458 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14459 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14460 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14461 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14462 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14463 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14464 DF_SCAN_POST_ALLOC): New macros.
14465 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14466 df_free_bb_function, df_local_compute_function, df_init_function,
14467 df_dataflow_function, df_confluence_function_0,
14468 df_confluence_function_n, df_transfer_function,
14469 df_finalizer_function, df_free_function, df_dump_problem_function,
14470 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14471 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14472 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14473 df_urec_bb_info, ) New types.
14474 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14476 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14477 df_analyze_simple_change_some_blocks,
14478 df_analyze_simple_change_one_block, df_compact_blocks,
14479 df_bb_replace, df_bb_regno_last_use_find,
14480 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14481 df_insn_regno_def_p, df_find_def, df_find_use,
14482 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14483 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14484 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14485 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14486 debug_df_chain, df_get_dependent_problem, df_chain_create,
14487 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14488 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14489 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14490 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14491 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14492 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14493 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14494 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14495 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14496 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14497 df_reorganize_refs, df_set_state, df_hard_reg_init,
14498 df_read_modify_subreg_p) New public functions.
14499 * df-core.c: The core dataflow solver and glue routines for rtl
14501 (df_init, df_add_problem, df_set_blocks, df_finish,
14502 df_hybrid_search_forward, df_hybrid_search_backward,
14503 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14504 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14505 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14506 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14507 df_reg_defined, df_find_use, df_reg_used, df_dump,
14508 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14509 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14510 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14511 debug_df_useno, reset_df_after_reload): New functions.
14512 * df-scan.c: The scanning fuctions, once in df.c, completely
14513 rewritten so that they now fully model the functionality of
14514 register usage at the backend.
14515 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14516 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14517 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14518 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14519 df_get_artificial_defs, df_get_artificial_uses,
14520 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14521 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14522 df_refs_delete, df_reorganize_refs, df_set_state,
14523 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14524 df_def_record_1, df_defs_record, df_uses_record,
14525 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14526 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14527 df_record_exit_block_uses, df_hard_reg_init): New functions.
14529 * df-problems.c: Seven concrete dataflow problems that use the
14530 scanning in df-scan.c and are solved by the engine in df-core.c.
14531 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14532 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14533 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14534 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14535 df_ru_free_bb_info, df_ru_alloc,
14536 df_ru_bb_local_compute_process_def,
14537 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14538 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14539 df_ru_transfer_function, df_ru_free, df_ru_dump,
14540 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14541 df_rd_free_bb_info, df_rd_alloc,
14542 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14543 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14544 df_rd_transfer_function, df_rd_free, df_rd_dump,
14545 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14546 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14547 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14548 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14549 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14550 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14551 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14552 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14553 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14554 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14555 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14556 df_urec_mark_reg_use_for_earlyclobber,
14557 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14558 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14559 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14560 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14561 df_chain_create_bb_process_use, df_chain_create_bb,
14562 df_chain_finalize, df_chain_free, df_chains_dump,
14563 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14564 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14565 df_reg_lifetime): New functions.
14566 * df.c: Deleted file.
14567 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14568 consistent with new df api.
14569 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14570 rest_of_handle_sms): Ditto.
14571 * web.c (unionfind_union, union_defs, entry_register, web_main):
14573 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14574 invariant_expr_equal_p, find_defs, check_dependencies,
14575 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14576 free_inv_motion_data, move_loop_invariants): Ditto.
14577 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14578 Update dependencies.
14579 (odf.c): Added defective entry that was deleted later in day.
14580 * sched-deps.c (sched_analyze_1): Ditto.
14582 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14584 * tree-ssa-operands.c (get_expr_operands): Record addressable
14585 variables directly. Do not call add_stmt_operands for CONST_DECLs
14587 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14588 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14590 2006-01-11 Ben Elliston <bje@au.ibm.com>
14592 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14593 function returns true in the positive case.
14595 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14598 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14599 for SI, DI, SF and DF modes. Add alternatives to copy between
14600 general and floating point registers to the 32-bit patterns.
14601 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14602 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14603 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14604 generating 64-bit code.
14605 * config/pa/pa.c (output_move_double): Handle copies between general
14606 and floating registers.
14608 2006-01-10 Stuart Hastings <stuart@apple.com>
14610 * config/i386/i386.md (set_got): Update.
14611 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14612 (builtin_setjmp_receiver): Mach-O support.
14613 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14614 (GOT_SYMBOL_NAME): Define.
14615 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14616 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14617 * config/i386/i386.c (override_options): Revise for Darwin.
14618 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14619 support. (darwin_x86_file_end): New. (output_set_got): Add label
14620 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14621 * config/i386/i386-protos.h (output_set_got): Likewise.
14622 * config/darwin.c (machopic_legitimize_pic_address): Update
14625 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14627 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14628 when MODE isn't BLKmode.
14630 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14632 PR rtl-optimization/25367
14633 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14635 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14638 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14639 for a negative bound.
14641 2006-01-10 Richard Guenther <rguenther@suse.de>
14643 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14644 Never override with anything constraint.
14646 2006-01-10 Jan Beulich <jbeulich@novell.com>
14648 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14649 256 bits when optimize_size.
14651 2006-01-10 Jan Beulich <jbeulich@novell.com>
14653 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14655 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14656 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14659 2006-01-10 Ben Elliston <bje@au.ibm.com>
14661 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14663 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14664 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14665 (USE_FP_FOR_ARG): Reject decimal float modes.
14666 (function_arg_advance): Likewise.
14667 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14668 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14669 point types in AltiVec vectors.
14670 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14671 (rs6000_libcall_value): Likewise.
14673 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14675 * config/xtensa/ieee754-df.S: New file.
14676 * config/xtensa/ieee754-sf.S: New file.
14677 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14678 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14679 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14681 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14683 * config/sh/predicates.md (binary_float_operator,
14684 binary_logical_operator, commutative_float_operator,
14685 equality_comparison_operator, greater_comparison_operator,
14686 less_comparison_operator, logical_operator,
14687 noncommutative_float_operator, shift_operator,
14688 symbol_ref_operand, unary_float_operator): Remove redundant
14691 2006-01-09 Jeff Law <law@redhat.com>
14693 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14694 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14695 now unused arguments. Callers updated.
14696 (eliminate_redundant_computations): Remove now unused arguments,
14698 (local_fold): Remove, no longer used.
14699 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14701 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14702 (simplify_cond): New function.
14703 (forward_propagate_into_cond): Call simplify_cond.
14705 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14707 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14708 (*vec_extractv2di_1_sse): New.
14710 2006-01-09 Ben Elliston <bje@au.ibm.com>
14712 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14714 2006-01-08 Richard Guenther <rguenther@suse.de>
14716 * tree-ssa-structalias.c (get_constraint_for): Remove
14717 anyoffset argument.
14718 (get_constraint_for_component_ref): Likewise.
14719 (do_deref): Likewise.
14720 (get_constraint_for): Likewise.
14721 (do_structure_copy): Likewise.
14722 (handle_ptr_arith): Likewise.
14723 (find_func_aliases): Likewise. Remove unused need_anyoffset
14726 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14727 Kaz Kojima <kkojima@gcc.gnu.org>
14729 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14730 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14731 (EXTRA_CONSTRAINT_C16): Remove.
14732 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14733 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14734 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14735 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14736 constants of SHmedia. Handle nested constant expressions of
14738 (andcosts): Fix the costs for SHmedia constants.
14739 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14740 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14741 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14742 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14743 (movv4hi_i, movv2si_i): Likewise.
14744 (movsi_const): Adjust the second operand of ior so to match with
14745 the Csu constraint.
14746 (movdi_const, movdi_const_32bit): Likewise.
14747 (movdi_const_16bit+1): Don't sign-extend LOW.
14748 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14750 (*double_shori): Fix the split condition. Use GEN_INT instead
14751 of get_int_mode calls. Mask lower 16-bit of the argument of
14753 (sym2GOTPLT): Remove.
14754 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14756 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14757 instead of EXTRA_CONSTRAINT_C16.
14759 2006-01-07 Ian Lance Taylor <ian@airs.com>
14760 David Edelsohn <edelsohn@gnu.org>
14762 PR rtl-optimization/25662
14763 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14764 for constant operands instead of simplify_gen_binary.
14765 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14766 after trying simplify_binary_operation
14768 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14770 * tree.c (iterative_hash_expr): Hash decls based on UID.
14772 2006-01-06 Eric Christopher <echristo@apple.com>
14774 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14775 (TARGET_UNWIND_EMIT): Fix spelling.
14776 * target.h (gcc_target): Add except_table_label.
14777 * except.c (output_function_exception_table): Use.
14778 * varasm.c (default_emit_except_table_label): New.
14779 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14781 (asm_out): Add here.
14782 * output.h (default_emit_except_table_label): Prototype.
14783 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14784 * config/darwin.c (darwin_emit_except_table_label): Define.
14785 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14787 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14789 PR tree-optimization/18527
14790 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14791 number_of_iterations_special, number_of_iterations_exit):
14792 Move base and step of an iv to a single structure. Add
14793 no_overflow flag, and use it in # of iterations analysis.
14794 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14795 folded_casts argument.
14796 (simple_iv): Pass base and step in a structure. Set no_overflow
14798 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14799 Evaluate expensiveness of computing # of iterations instead of
14800 the final expression.
14801 * tree-scalar-evolution.h (affine_iv): New structure.
14802 (simple_iv): Declaration changed.
14803 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14804 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14805 find_givs_in_stmt): Changed due to simple_iv change.
14807 2006-01-06 Jeff Law <law@redhat.com>
14810 * tree-cfg.c (bsi_replace): Rename final argument from
14811 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14812 change (stmt -> orig_stmt).
14813 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14814 (bsi_remove): Add new argument. Remove EH information
14816 (verify_eh_throw_table_statements): New function.
14817 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14819 * tree-optimize.c (execute_free_cfg_annotations): Verify
14820 the EH throw statement table after removing annotations.
14821 * except.h (verify_eh_throw_table_statements): Prototype.
14822 * tree-flow.h (bsi_remove): Update prototype.
14823 * tree-vrp.c (remove_range_assertions): Add new argument to
14825 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14826 * tree-complex.c (expand_complex_div_wide): Likewise.
14827 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14828 * tree-tailcall.c (eliminate_tailcall): Likewise.
14829 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14830 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14831 * tree-nrv.c (tree_nrv): Likewise.
14832 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14833 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14834 (combine_blocks): Likewise.
14835 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14836 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14837 (cleanup_control_flow): Likewise.
14838 (remove_forwarder_block): Likewise.
14839 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14840 * tree-sra.c (sra_replace): Likewise.
14841 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14842 (forward_propagate_single_use_vars): Likewise.
14843 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14844 * tree-inline.c (expand_call_inline): Likewise.
14845 * tree-vect-transform.c (vect_transform_loop): Likewise.
14846 * tree-outof-ssa.c (rewrite_trees): Likewise.
14847 * tree-cfg.c (make_goto_expr_edges): Likewise.
14848 (cleanup_dead_labels): Likewise.
14849 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14850 (bsi_move_before, bsi_move_after): Likewise.
14851 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14852 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14854 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14857 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14859 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14860 on non gimple variables. Also add checks at the top for decls and
14862 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14864 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14865 and IMAGPART_EXPR for creating MUST_DEFs.
14866 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14867 and NAME_MEMORY_TAG separately from the DECLs.
14869 2006-01-06 Richard Guenther <rguenther@suse.de>
14871 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14872 annotation, if necessary.
14873 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14874 redundant calls to update_stmt.
14875 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14878 2006-01-05 Richard Henderson <rth@redhat.com>
14880 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14882 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14884 * c-typeck.c: Update copyright date.
14886 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14888 * c-typeck.c (build_c_cast): Always warn when casting
14889 from a pointer to an integer of different size, even if
14890 the node was constant.
14892 2006-01-05 Richard Guenther <rguenther@suse.de>
14894 PR tree-optimization/22555
14895 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14896 if one structure field is an array.
14897 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14898 operands even if we found a subvar, but ignore VOPs in this
14900 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14902 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14904 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14906 PR middle-end/24998
14907 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14909 2006-01-05 Richard Guenther <rguenther@suse.de>
14910 Diego Novillo <dnovillo@redhat.com>
14912 * tree-pass.h (TODO_remove_unused_locals): Define.
14913 * gimple-low.c (expand_var_p, remove_useless_vars,
14914 pass_remove_useless_vars): Remove. Update all users.
14915 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14916 (remove_unused_locals): New function.
14917 * tree-flow.h (remove_unused_locals): Declare.
14918 * passes.c (execute_todo): Call remove_unused_locals if
14919 TODO_remove_unused_locals is set.
14920 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14921 * tree-ssa-dce.c (pass_dce): Likewise.
14922 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14924 2006-01-05 Richard Guenther <rguenther@suse.de>
14926 * tree-flow.h (struct fieldoff): Decompose field to
14927 type, size and decl.
14928 * tree-ssa-alias.c (create_sft): Take type as parameter.
14929 (create_overlap_variables_for): Store type, size and decl
14930 in the fieldoff structure.
14931 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14932 of struct fieldoff.
14933 (push_fields_onto_fieldstack): Likewise.
14934 (create_variable_info_for): Likewise. Use offset for the
14935 SFT name if the decl is not available.
14937 2006-01-04 Paul Brook <paul@codesourcery.com>
14939 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14941 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14943 * lambda-code.c (can_put_in_inner_loop): Relax
14945 (can_put_after_inner_loop): New function.
14946 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14947 (perfect_nestify): Change to make copies and modify uses.
14949 2006-01-04 Richard Henderson <rth@redhat.com>
14951 Merge from gomp branch:
14952 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14953 via integer constant.
14954 (pragma_lex): Remove.
14955 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14956 rather than parsing it.
14957 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14958 handle_pragma_extern_prefix): Add %< %> quotes.
14959 (registered_pragmas): New.
14960 (c_register_pragma_1): New.
14961 (c_register_pragma): Use it.
14962 (c_register_pragma_with_expansion): Likewise.
14963 (c_invoke_pragma_handler): New.
14964 (init_pragma): Use cpp_register_deferred_pragma directly for
14966 * c-pragma.h (enum pragma_kind): New.
14967 (pragma_handler): New.
14968 (c_invoke_pragma_handler): Declare.
14969 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14971 * c-common.h (c_common_pch_pragma): Update decl.
14972 * Makefile.in (c-parser.o): Update dependencies.
14973 (GTFILES): Add c-pragma.h.
14974 * c-parser.c (struct c_token): Add pragma_kind.
14975 (struct c_parser): Add in_pragma.
14976 (c_lex_one_token): Always initialize keyword and pragma_kind.
14977 Extract data for CPP_PRAGMA.
14978 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14979 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14980 Don't allow CPP_PRAGMA_EOL if in_pragma.
14981 (c_parser_consume_pragma): New.
14982 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14983 (c_parser_skip_to_end_of_parameter): Likewise.
14984 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14985 (c_parser_skip_to_pragma_eol): New.
14986 (c_parser_external_declaration): Handle CPP_PRAGMA.
14987 (c_parser_compound_statement_nostart): Likewise.
14988 (c_parser_statement_after_labels): Likewise.
14989 (c_parser_pragma): New.
14990 (pragma_lex): Likewise.
14991 (c_parser_pragma_pch_preprocess): New.
14992 (c_parser_new): Merge into ...
14993 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14995 2006-01-04 Jeff Law <law@redhat.com>
14998 * tree-cfg.c (bsi_replace): Remove the original statement
14999 from the EH throw statement table.
15001 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15003 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15004 make the prototype extern "C" and add throw ().
15007 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15008 and pos non-negative and pos + len <= 32.
15009 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15010 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15011 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15014 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15015 as well as sizes not multiple of component size.
15018 * function.c (instantiate_expr): New function.
15019 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15020 walk its DECL_VALUE_EXPR with instantiate_expr.
15022 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15023 DW_OP_deref{,_size} if address isn't going to be added.
15025 2006-01-04 Ben Elliston <bje@au.ibm.com>
15027 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15028 * config/fp-bit.c: Likewise.
15030 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15032 * dominance.c: Add comment about why we use DFS numbering
15035 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15036 Richard Henderson <rth@redhat.com>
15038 Merge from gomp-branch:
15039 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15040 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15042 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15044 PR rtl-optimization/25578
15045 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15046 pass a parameter to simplify_shift_const if changing ASHIFTRT
15049 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15051 * builtins.c (get_builtin_sync_mem): New function.
15052 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15053 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15054 Call get_builtin_sync_mem to generate mem rtx.
15056 2006-01-03 Richard Guenther <rguenther@suse.de>
15059 * stmt.c (add_case_node): Make sure to clear overflow flags
15062 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15064 Merge from gomp-branch.
15065 * config/sparc/sync.md: New file.
15066 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15067 UNSPECV_LDSTUB): New constants.
15068 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15069 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15070 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15073 2006-01-03 Roger Sayle <roger@eyesopen.com>
15075 * combine.c (reg_subword_p): New predicate to test whether the
15076 destination of a set refers to a subword/piece of a register.
15077 (try_combine): Generalize the code to merge the setting of a
15078 pseudo to a constant followed by a set of a subword of that
15079 register to a constant.
15081 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15083 * basic-block.h (control_flow_graph): Change the type of
15084 x_label_to_block_map to VEC(basic_block,gc) *.
15085 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15086 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15088 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15089 VEC(basic_block,heap) *.
15090 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15091 ssa_prop_fini): Adjust the uses of cfg_blocks.
15093 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15095 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15097 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15098 hashing trees instead of a pointer hash.
15099 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15100 compare for MEM_EXPR.
15102 PR rtl-optimization/25130
15103 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15104 when comparing MEMs for GCSE
15106 2006-01-03 Ben Elliston <bje@au.ibm.com>
15108 * targhooks.h (default_decimal_float_supported_p): Declare.
15109 * targhooks.c (default_decimal_float_supported_p): Define.
15110 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15111 `default_decimal_float_supported_p'.
15112 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15114 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15116 * combine.c (apply_distributive_law <SUBREG>): Check
15117 TRULY_NOOP_TRUNCATION.
15119 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15121 * dwarf2out.c (have_switched_text_section): Delete.
15122 (have_multiple_function_sections): New.
15123 (have_location_lists): Make 'bool'.
15124 (add_AT_loc_list): Use 'true' not '1'.
15125 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15126 (output_loc_list): Use have_multiple_function_sections.
15127 (output_ranges): Likewise.
15128 (dwarf2out_begin_function): Set have_multiple_function_sections if
15130 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15131 Check function_section rather than DECL_SECTION_NAME.
15132 (dwarf2out_finish): Use have_multiple_function_sections.
15133 Don't clear have_location_lists.
15135 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15136 Jan Hubicka <jh@suse.cz>
15138 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15139 case of conditional jump jumping to the next instruction.
15140 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15141 cases of conditional jump jumping to the next instruction.
15143 2006-01-02 Jan Hubicka <jh@suse.cz>
15145 * i386.c (*_cost): Add COSTS_N_INSNS.
15146 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15148 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15151 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15153 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15155 * config/arm/arm.c (all_fpus): Fix comment typo.
15156 * config/darwin.c: Likewise.
15157 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15158 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15159 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15161 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15163 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15164 (rs6000_split_compare_and_swapqhi): New.
15165 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15166 (sync_compare_and_swapqhi_internal): New.
15167 * config/rs6000/rs6000-protos.h: Declare.