1 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
5 with tablejumps in them.
7 2006-09-20 Jakub Jelinek <jakub@redhat.com>
10 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
11 wrap it into TARGET_EXPR.
13 2006-09-20 Eric Christopher <echristo@apple.com>
15 * config/i386/i386.c (x86_fisttp): Remove.
16 * config/i386/i386.h (x86_fisttp): Ditto.
17 (TARGET_FISTTP): Ditto.
19 2006-09-19 Eric Christopher <echristo@apple.com>
21 * doc/tm.texi (OBJC_JBLEN): Describe.
22 * config/i386/darwin.h (OBJC_JBLEN): Define.
23 * config/rs6000/darwin.h: Ditto.
25 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
27 PR rtl-optimization/21299
28 * reload1.c (reload): Purge invalid ASMs in the final pass.
30 2006-09-19 Steve Ellcey <sje@cup.hp.com>
33 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
34 pointers as legitimate constants.
36 2006-09-19 Paul Brook <paul@codesourcery.com>
39 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
41 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
43 PR tree-optimization/28887
44 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
45 component parts from the reference.
46 (gather_memory_references_ref): Record the reference without the
47 nonaddressable component parts.
49 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
52 * c-opts.c (c_common_handle_option): Ignore the -std options
53 if the input language is assembly.
55 2006-09-17 Ira Rosen <irar@il.ibm.com>
58 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
60 (ptr_ptr_may_alias_p): Likewise.
61 (record_record_differ_p): New function.
62 (base_object_differ_p): Call record_record_differ_p.
64 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
67 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
68 away for the expr argument.
70 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
73 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
74 before using it for dumping after vectorizing loops.
76 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
77 Jack Howarth <howarth@bromo.med.uc.edu>
80 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
81 skip on error_mark_node.
82 (rs6000_darwin64_record_arg_recurse): Likewise.
84 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
86 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
87 * doc/rtl.texi: Remove related documentation.
89 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
91 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
94 2006-09-15 Jim Wilson <wilson@specifix.com>
96 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
97 Handle symbol offsets same as they are handled in ia64_expand_move
100 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
102 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
103 Add forgotten parameter to the fprintf call.
105 2006-09-15 Steve Ellcey <sje@cup.hp.com>
107 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
109 2006-09-15 Uros Bizjak <uros@kss-loka.si>
111 * doc/contrib.texi: Add my entry.
113 2006-09-15 Nick Clifton <nickc@redhat.com>
115 * doc/md.texi (Processor pipeline description): Fix typo in
116 example of how to use the absence_set directive and reword the
117 description to make it slightly easier to read.
119 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
121 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
122 * loop-doloop.c (doloop_optimize): Use it to limit costs of
123 expanding the number of iterations.
124 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
126 * cfgrtl.c (emit_insn_at_entry): New function.
127 * rtl.h (emit_insn_at_entry): Declare it.
128 * integrate.c (emit_initial_value_sets): Use it.
130 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
132 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
134 (struct loop_work and related VEC declarations): Delete.
135 (bfin_dump_loops): Print out new member bad.
136 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
137 (bfin_scan_loop): Don't recurse.
138 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
139 loops. No longer need to update outer loops if the current one is
140 found bad. Move some validitiy checks to bfin_discover_loop.
141 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
142 but changed not to check for nesting. Also changed to use the new bad
144 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
145 time. Use bitmap based test to discover loop nesting.
147 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
149 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
152 2006-09-14 Richard Guenther <rguenther@suse.de>
153 Kazu Hirata <kazu@codesourcery.com>
156 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
157 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
158 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
159 with TARGET_FUNCTION_VALUE.
161 2006-09-14 Anatoly Sokolov <aesok@post.ru>
164 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
166 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
168 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
171 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
174 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
177 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
179 * basic_block.h (bb_has_eh_pred): Fix comment.
181 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
183 * flow.c (calculate_global_regs_live): Invalidate eh registers
184 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
185 (propagate_block): Handle eh registers as if they were set at basic
187 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
189 * global.c (global_conflicts): Make eh registers to conflict with
190 pseudos live at basic block begin.
191 * basic_block.h (bb_has_eh_pred): New function.
193 2006-09-13 Richard Sandiford <richard@codesourcery.com>
195 PR rtl-optimization/28982
196 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
197 index of a PRE_MODIFY or POST_MODIFY address.
198 * reload1.c (inc_for_reload): Use find_replacement on the original
199 base and index registers.
201 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
203 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
204 for -Os. Update __m128 alignment requirement.
206 2006-09-13 Jan Hubicka <jh@suse.cz>
208 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
210 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
212 PR rtl-optimization/28243
213 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
214 the insn to which the note was originally attached.
216 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
217 Roger Sayle <roger@eyesopen.com>
219 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
220 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
221 on platforms that don't use dwarf for debug info.
223 2006-09-12 Jason Merrill <jason@redhat.com>
226 * builtins.c (expand_builtin_setjmp_receiver): Clobber
227 hard_frame_pointer_rtx after using it to update the frame pointer.
229 2006-09-12 Roger Sayle <roger@eyesopen.com>
231 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
232 (TARGET_ASM_CLOSE_PAREN): Likewise.
233 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
234 (TARGET_ASM_CLOSE_PAREN): Likewise.
236 2006-09-12 Roger Sayle <roger@eyesopen.com>
239 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
240 frame information for frames larger than 512 Kbytes on Tru64 when
241 using the native assembler.
243 2006-09-12 Roger Sayle <roger@eyesopen.com>
247 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
248 and symbols. Instead use the implementation from cse.c's hash_rtx.
250 2006-09-12 Jan Hubicka <jh@suse.cz>
252 PR rtl-optimization/28071
253 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
254 (vect_transform_loop): Likewise.
255 * tree-vectorizer.c (new_loop_vec_info): Likewise.
256 (new_loop_vec_info): Likewise.
257 (destroy_loop_vec_info): Likewise.
258 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
259 (create_stmt_ann): Likewise.
260 (create_tree_ann): Rename to ...
261 (create_tree_common_ann): ... this one; allocate only the common part
263 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
264 (get_value_handle): Likewise.
265 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
267 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
268 (vinfo_for_stmt): Use stmt annotations.
269 * tree-flow.h (tree_ann_common_t): New type.
270 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
271 (tree_ann, get_tree_ann, create_tree_ann): New.
272 * tree-flow-inline.h (get_function_ann): Do more type checking.
273 (stmt_ann): Likewise.
274 (tree_ann): Rename to ...
275 (tree_common_ann): ... this one; return ony common_ann
276 (get_tree_ann): Rename to ...
277 (tree_common_ann): This one; return only common_ann.
278 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
281 2006-09-11 Geoffrey Keating <geoffk@apple.com>
283 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
286 * dwarf2out.c (dwarf_file_data): New.
287 (enum dw_val_class): Add dw_val_class_file.
288 (struct dw_val_struct): Add val_file.
289 (file_table): Change to a hash table.
290 (file_table_emitted): Delete.
291 (file_table_last_lookup_index): Delete.
293 (last_emitted_file): New.
294 (lookup_filename): Change prototype to return a struct dwarf_file_data.
295 (init_file_table): Delete.
296 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
297 (AT_addr): Add comment.
301 (print_die): Handle dw_val_class_file.
302 (print_dwarf_line_table): Update for new file table structure.
303 (attr_checksum): Do checksum a filename.
304 (same_dw_val_p, same_attr_p): Do compare a filename.
305 (size_of_die): Handle dw_val_class_file.
306 (value_format): Likewise.
307 (output_die): Likewise. Also, call maybe_emit_file here.
308 (struct file_info): Constify filenames. Make file_idx a pointer
309 to a struct dwarf_file_data.
310 (struct dir_info): Constify directory names. Remove 'used' field.
311 (struct file_name_acquire_data): New.
312 (file_name_acquire): New.
313 (output_file_names): Modify to handle new file data structures.
314 (add_src_coords_attributes): Use add_AT_file.
315 (add_call_src_coords_attributes): Likewise.
316 (dwarf2out_imported_module_or_decl): Likewise.
317 (gen_subprogram_die): Modify for new file data structures.
318 (gen_variable_die): Likewise.
319 (file_table_eq): New.
320 (file_table_hash): New.
321 (file_table_last_lookup): New.
322 (lookup_filename): Rewrite to handle new file data structures.
323 (maybe_emit_file): Rewrite to handle new file data structures.
324 (dwarf2out_source_line): Always call lookup_filename and
326 (dwarf2out_init): Create file_table here.
327 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
328 (file_table_relative_p): New.
329 (dwarf2out_finish): Change detection of relative filenames
330 to work with new file data structures. Move output_line_info call
331 after debug_info output.
333 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
338 * config/i386/i386.c (override_options): Always default to 16
341 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
344 * var-tracking.c (dump_dataflow_set): Start dumping at
346 (clobber_variable_part): Kill only the variable part in
347 registers holding it, leaving other variables alone.
349 2006-09-11 Josh Triplett <josh@freedesktop.org>
351 * doc/extend.texi (Other Builtins): Actually use the macro
352 argument in the documentation example for
353 __builtin_types_compatible_p.
355 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
357 PR rtl-optimization/28726
358 * sched-deps.c (sched_analyze_reg): New function extracted from...
359 (sched_analyze_1): ...here. Call it to analyze references to
360 registers. Treat again writes to a stack register as writing to the
362 (sched_analyze_2): ...and here. Call it to analyze references to
363 registers. Treat again reads of a stack register as reading the
366 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
367 David Edelsohn <edelsohn@gnu.org>
370 * config/rs6000/spe.md (frob_df_di): Remove %H.
371 (frob_di_df): Remove %H. Change evmergelo to mr.
372 (frob_di_df_2): Remove %H. Change evldd to two loads.
374 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
376 * doc/cpp.texi: Fix names of charset options.
378 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
381 * config/i386/i386.c (override_options): Use 128-bit
382 stack boundary always for 64bits.
384 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
386 PR rtl-optimization/28636
387 * combine.c (force_to_mode): Test for side-effects before
388 substituting by zero.
389 (simplify_shift_const): Likewise for zero or other constants.
391 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
394 * builtins.c (expand_builtin_setjmp): Force next_lab to be
397 2006-09-10 Richard Sandiford <richard@codesourcery.com>
400 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
401 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
402 returned by mode_for_size, rather than the mode of src itself,
403 to choose between 32-bit and 64-bit patterns.
404 (mips_mem_fits_mode_p): New function.
405 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
406 that the size of the source matches the size of the destination.
407 (mov_<store>l, mov_<store>r): Likewise.
409 2006-09-10 Eric Christopher <echristo@apple.com>
411 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
414 2006-09-09 Eric Christopher <echristo@apple.com>
417 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
420 2006-09-09 Roger Sayle <roger@eyesopen.com>
421 Nicolas Setton <setton@adacore.com>
423 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
425 2006-09-10 Andreas Schwab <schwab@suse.de>
427 * config/m68k/m68k.md (bungt_rev): New pattern.
429 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
430 Dale Johannesen <dalej@apple.com>
433 * regclass.c (struct reg_pref): Update documentation.
434 (regclass): Set prefclass to NO_REGS if memory is the best option.
435 (record_reg_classes): Cope with a prefclass set to NO_REGS.
437 2006-09-08 Eric Christopher <echristo@apple.com>
439 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
440 * config/t-slibgcc-darwin: Support x86_64 multilib.
441 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
442 Return 1 for x86_64-darwin.
443 * config/i386/t-darwin: Add m64 multilib.
444 (LIB2_SIDITI_CONV_FUNCS): Use.
445 (LIB2FUNCS_EXTRA): Ditto.
446 * config/i386/darwin.h: Support x86_64.
447 * config/i386/i386.c (override_options): Turn on flag_pic
448 for x86_64-darwin. Disable flag_omit_pointer.
449 (get_pc_thunk_name): Assert !TARGET_64BIT.
450 (legitimate_address_p): Disable machopic addressing for
452 (legitimize_pic_address): Ditto.
453 (ix86_expand_move): Ditto.
454 (ix86_expand_call): Ditto.
455 (machopic_output_stub): Ditto.
456 * config/darwin.c (machopic_select_section): Support literal16.
457 (machopic_select_rtx_section): Ditto.
458 * config/darwin-sections.def: Ditto.
459 * config/darwin-64.c: New.
461 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
464 * c-tree.h (struct c_arg_info): Add pending_sizes.
465 * c-parser.c (c_parser_parms_declarator,
466 c_parser_parms_list_declarator): Initialize pending_sizes.
467 * c-decl.c (get_parm_info): Initialize pending_sizes.
468 (get_parm_info): Set pending_sizes.
469 (grokdeclarator): Call put_pending_sizes for parameters for
470 function definition only.
472 2006-09-07 Jason Merrill <jason@redhat.com>
475 * varasm.c (output_constant): Only strip actual no-op conversions.
478 * config/i386/i386.c (override_options): Use 128-bit
479 stack boundary if -msse.
481 2006-09-07 Eric Christopher <echristo@apple.com>
483 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
485 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
488 2006-09-07 Geoffrey Keating <geoffk@apple.com>
490 * dwarf2out.c: Remove strange characters from comment above
491 dwarf2out_frame_debug_expr.
493 2006-09-07 Eric Christopher <echristo@apple.com>
495 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
496 * config/darwin.h: ... to here.
498 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
500 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
502 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
503 (TARGET_PARTIAL_FLAG_REG_STALL): New.
505 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
506 TARGET_PARTIAL_FLAG_REG_STALL.
507 (*ashldi3_cconly_rex64): Likewise.
508 (*ashlsi3_cmp): Likewise.
509 (*ashlsi3_cconly): Likewise.
510 (*ashlsi3_cmp_zext): Likewise.
511 (*ashlhi3_cmp): Likewise.
512 (*ashlhi3_cconly): Likewise.
513 (*ashlqi3_cmp): Likewise.
514 (*ashlqi3_cconly): Likewise.
515 (*ashrdi3_cmp_rex64): Likewise.
516 (*ashrdi3_cconly_rex64): Likewise.
517 (*ashrsi3_cmp): Likewise.
518 (*ashrsi3_cconly): Likewise.
519 (*ashrsi3_cmp_zext): Likewise.
520 (*ashrhi3_cmp): Likewise.
521 (*ashrhi3_cconly): Likewise.
522 (*ashrqi3_cmp): Likewise.
523 (*ashrqi3_cconly): Likewise.
524 (*lshrdi3_cmp_rex64): Likewise.
525 (*lshrdi3_cconly_rex64): Likewise.
526 (*lshrsi3_cmp): Likewise.
527 (*lshrsi3_cconly): Likewise.
528 (*lshrsi3_cmp_zext): Likewise.
529 (*lshrhi3_cmp): Likewise.
530 (*lshrhi3_cconly): Likewise.
531 (*lshrqi2_cmp): Likewise.
532 (*lshrqi2_cconly): Likewise.
534 2006-09-07 Uros Bizjak <uros@kss-loka.si>
537 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
538 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
539 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
540 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
541 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
542 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
543 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
544 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
545 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
546 implement only CC setting effects of shift instructions.
548 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
550 * doc/contrib.texi: Add myself.
552 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
555 * stor-layout.c (relayout_decl): Don't zero the alignment if it
558 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
561 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
562 (divsi_inv_m1): Use them.
563 (UNSPEC_DIV_INV_TABLE): New constant.
565 2006-09-06 James E Wilson <wilson@specifix.com>
568 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
569 then call count_or_remove_death_notes.
571 2006-09-06 Jason Merrill <jason@redhat.com>
574 * tree-inline.c (copy_result_decl_to_var): New fn.
575 (declare_return_variable): Use it. Call declare_inline_vars here.
576 (expand_call_inline): Not here.
578 2006-09-06 Diego Novillo <dnovillo@redhat.com>
580 * doc/contrib.texi: Update my entry.
582 2006-09-06 Nick Clifton <nickc@redhat.com>
584 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
586 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
589 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
590 (canonicalize_induction_variables): Likewise.
591 (tree_unroll_loops_completely): Likewise.
592 (tree_ssa_prefetch_arrays): Likewise.
593 (remove_empty_loops): Likewise.
594 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
595 TODO_cleanup_cfg instead of directly calling
596 cleanup_tree_cfg_loop.
597 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
599 (tree_unroll_loops_completely): Likewise.
600 (remove_empty_loops): Likewise.
601 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
602 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
603 of tree_ssa_unswitch_loops.
604 (tree_ssa_loop_ivcanon): Use the return value of
605 canonicalize_induction_variables.
606 (tree_ssa_empty_loop): Use the return value of
608 (tree_complete_unroll): Use the return value of
609 tree_unroll_loops_completely.
610 (tree_ssa_loop_prefetch): Use the return value of
611 tree_ssa_prefetch_arrays.
612 * passes.c (execute_todo): Before Cleanup CFG, set
613 updating_used_alone and after cleanup CFG, call
614 recalculate_used_alone.
616 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
619 * tree-vect-transform.c (vectorizable_condition): Move the check
620 for the type after the check for simple condition.
622 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
623 Kaz Kojima <kkojima@gcc.gnu.org>
626 * mode-switching.c (optimize_mode_switching): Make the destination
627 block of an abnormal edge have no anticipatable mode. Don't
628 insert mode switching code at the end of the source block of
631 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
633 PR rtl-optimization/26847
634 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
635 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
636 (simplify_plus_minus): Count n_constants while filling ops. Replace
637 qsort with insertion sort. Before going through the array to simplify
638 pairs, sort it. Delay early exit until after the first sort, exiting
639 only if no swaps occurred. Simplify pairs in reversed order, without
640 special-casing the first iteration. Pack ops after simplifying pairs.
642 2006-09-05 Anatoly Sokolov <aesok@post.ru>
644 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
645 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
646 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
647 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
649 2006-09-05 Richard Guenther <rguenther@suse.de>
651 PR tree-optimization/28900
652 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
653 compound conditional before creating COND_EXPR condition.
655 2006-09-05 Richard Guenther <rguenther@suse.de>
657 PR tree-optimization/28905
658 * tree-vrp.c (fix_equivalence_set): Manually implement
659 !value_ranges_intersect_p to also handle symbolic ranges.
661 2006-09-05 Richard Guenther <rguenther@suse.de>
664 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
667 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
669 PR rtl-optimization/27616
670 * cse.c (table_size): New static variable.
671 (new_basic_block): Initialize it to 0.
672 (remove_from_table): Decrement it.
673 (insert): Increment it.
674 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
675 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
676 fold_rtx_mem_1 if under the cap.
677 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
678 the lookup of the equivalent expression and test for equality of the
679 first operand of the equivalent expression before in turn looking up
680 an equivalent constant for the second operand.
682 2006-09-02 Geoffrey Keating <geoffk@apple.com>
685 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
686 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
687 pointer, instead of assuming it is possible to derive the
688 correct args size from a call insn.
690 2006-09-02 Jakub Jelinek <jakub@redhat.com>
693 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
694 (fold_builtin_mempcpy): Rename to...
695 (fold_builtin_memory_op): ... this. Optimize one element copy
697 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
699 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
700 (expand_builtin_memcpy, expand_builtin_mempcpy,
701 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
702 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
703 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
704 BUILT_IN_MEM{CPY,PCPY,MOVE}.
706 2006-09-01 DJ Delorie <dj@redhat.com>
708 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
710 ("stzx_24_<mode>"): Likewise.
711 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
712 ("cmp<mode>_op"): New.
713 (cmp<mode>): Change to expander; just save operands.
715 (b<code>): Change to expander, emit compare here.
716 (s<code>_op): Change to use split and expander.
717 (s<code>_24_op): Likewise.
718 (s<code>_<mode>): New.
719 (s<code>_<mode>_24): New.
720 (movqicc_<code>_<mode): New.
721 (movhicc_<code>_<mode>): New.
724 * config/m32c/m32c.c (compare_op0, compare_op1): New.
725 (m32c_pend_compare): New.
726 (m32c_unpend_compare): New.
727 (m32c_expand_scc): New.
728 (m32c_expand_movcc): Emit the compare also.
729 * config/m32c/predicates.md (mra_nopp_operand): New.
731 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
732 Richard Guenther <rguenther@suse.de>
733 Adam Nemet <anemet@caviumnetworks.com>
736 * builtins.c (get_pointer_alignment): Handle more forms
737 of base addresses that can be used to derive more precise
738 information about alignment.
740 2006-09-01 Jason Merrill <jason@redhat.com>
743 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
746 * gimplify.c (voidify_wrapper_expr): Handle null type.
748 2006-09-01 Josh Conner <jconner@apple.com>
751 * tree-nrv.c (dest_safe_for_nrv_p): New function.
752 (execute_return_slot_opt): Use it.
754 2006-08-31 Josh Conner <jconner@apple.com>
757 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
758 returning aggregates.
760 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
762 PR tree-optimization/28839
763 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
764 blocks in that phi arguments appear.
766 2006-08-31 Roger Sayle <roger@eyesopen.com>
769 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
770 NULL, otherwise use an advance_loc4 to adjust relative to the
772 (output_cfi) <DW_CFA_set_loc>: Update the current label.
773 (dwarf2out_switch_text_section): Reset the current label to avoid
774 using advance_loc4 over section boundaries.
776 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
779 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
780 r12 + SYMBOLIC_CONST.
782 2006-08-30 Richard Guenther <rguenther@suse.de>
784 * Makefile.in (see.o): Add $(EXPR_H) dependency.
786 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
788 PR rtl-optimization/27735
789 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
790 Add new argument to keep track of whether an irreducible region
791 was affected. All callers changed.
792 (fix_irreducible_loops): Removed.
793 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
794 flags were invalidated.
796 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
798 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
799 instead of SF operands.
800 (*fop_df_comm_sse): Likewise.
801 (*fop_df_comm_i387): Likewise.
802 (*fop_df_1_mixed): Likewise.
803 (*fop_df_1_sse): Likewise.
805 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
806 J"orn Rennecke <joern.rennecke@st.com>
808 PR tree-optimization/17506
809 * tree-ssa.c (warn_uninit): If warning about a location outside of
810 the current function, note where the variable was declared.
812 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
814 PR tree-optimization/28411
815 * double-int.c (double_int_div): Use double_int_divmod.
816 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
817 double_int_mod, double_int_smod, double_int_umod): New functions.
818 * double-int.h (double_int_divmod, double_int_sdivmod,
819 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
821 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
823 (get_computation_aff, get_computation_cost_at): Handle double_int
824 return type of constant_multiple_of.
826 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
829 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
830 an implicit conversion.
832 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
834 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
836 2006-08-27 Roger Sayle <roger@eyesopen.com>
838 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
841 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
843 * config/i386/crtfastmath.c: Fix a comment typo.
845 2006-08-26 Roger Sayle <roger@eyesopen.com>
847 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
848 temporary visit flags on CASE_LABEL_EXPRs.
849 * c-common.c (match_case_to_enum): Add function comment. Avoid
850 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
851 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
852 CASE_HIGH_SEEN for enumerated types. If the switch expression is
853 a constant, only warn if that constant value isn't handled.
855 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
858 * input.h (restore_input_file_stack): Declare.
859 (INPUT_FILE_STACK_BITS): Define.
860 * toplev.c (fs_p, input_file_stack_history,
861 input_file_stack_restored, restore_input_file_stack): New.
862 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
863 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
864 (pop_srcloc): Don't free old state of stack.
866 2006-08-26 David Edelsohn <edelsohn@gnu.org>
869 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
870 (PowerPC Type Attributes): New.
872 2006-08-26 Bob Wilson <bob.wilson@acm.org>
874 * config/xtensa/xtensa.c (function_arg_boundary): New.
875 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
877 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
878 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
880 2006-08-26 Jakub Jelinek <jakub@redhat.com>
883 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
886 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
888 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
889 (verify_local_live_at_start): Likewise.
891 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
894 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
895 omp_add_variable): Treat sizes as variable whenever not
898 2006-08-26 Richard Guenther <rguenther@suse.de>
901 * fold-const.c (fold_binary): Fold temporary to correct
902 type before constructing new comparison.
904 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
907 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
908 variable again if DECL_SEEN_IN_BIND_EXPR_P.
910 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
913 * c-decl.c (start_function): Don't try to process prototype
914 information from old declaration that isn't a function.
916 2006-08-25 Jan Hubicka <jh@suse.cz>
919 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
921 2006-08-25 Alan Modra <amodra@bigpond.net.au>
924 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
927 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
929 PR tree-optimization/16876
930 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
931 exit if PARM doesn't match VALUE.
933 2006-08-25 Bob Wilson <bob.wilson@acm.org>
935 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
936 literal_prefix directive.
937 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
938 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
939 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
941 2006-08-25 David Edelsohn <edelsohn@gnu.org>
944 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
945 predicate to general_operand. Add 0->y and I->r alternatives.
947 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
949 * doc/tm.texi: Fix a typo.
950 * predict.c: Fix comment typos.
952 2006-08-25 Nick Clifton <nickc@redhat.com>
954 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
955 assertions of "cpu" and "machine".
957 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
960 * tree-ssa-operands.c (access_can_touch_variable): Don't say
961 the access through a base which has an alias set of 0 cannot
964 2006-08-24 Bill Wendling <wendling@apple.com>
966 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
968 2006-08-24 Jan Hubicka <jh@suse.cz>
970 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
972 2006-08-24 Jan Hubicka <jh@suse.cz>
975 * cgraph.c: Fix comments.
976 (cgraph_varpool_mark_needed_node): Mark only variables not already
978 * cgraphunit.c: Update comments; include gt-cgraphunit.h
979 (cgraph_varpool_assembled_nodes_queue): New static variable.
980 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
981 (cgraph_varpool_output_debug_info): New function.
982 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
983 * Makefile.in: Add gt-cgraphunit.h
985 2006-08-24 Jan Hubicka <jh@suse.cz>
987 * predict.c (probability_reliable_p): New predicate.
988 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
989 (predict_loops): Do not predict loop exit with less than 2%
991 * basic-block.h (edge_probability_reliable_p,
992 br_prob_note_reliable_p): Declare.
993 * ia64.h (ia64_print_operand): Do not disable on-chip branch
994 prediction when static predictor is not reliable.
995 * rs6000.c (output_cbranch): Likewise.
997 2006-08-23 Stuart Hastings <stuart@apple.com>
1000 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1001 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1003 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1006 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1007 complex values, nor for generic vector values.
1009 2006-08-22 Richard Guenther <rguenther@suse.de>
1012 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1013 parameter. Convert arguments to arithmetic expression to the
1015 (analyze_scalar_evolution_1): Adjust caller.
1017 2006-08-22 Jan Hubicka <jh@suse.cz>
1019 Patch by Paolo Bonzini
1020 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1023 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1025 PR tree-optimization/28003
1026 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1027 before grouping aliases.
1029 2006-08-22 Roger Sayle <roger@eyesopen.com>
1031 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1032 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1034 2006-08-21 Jason Merrill <jason@redhat.com>
1037 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1038 wrapper. Loop to handle nested wrappers.
1039 (gimplify_bind_expr): Remove temp parameter.
1040 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1041 and STATEMENT_LIST on the rhs.
1042 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1043 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1044 (gimplify_target_expr): Remove special BIND_EXPR handling.
1046 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1048 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1051 2006-08-21 Olivier Hainque <hainque@adacore.com>
1053 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1054 Arrange for the temporary captures of components overlapping the lhs
1055 to happen before the lhs is possibly cleared.
1057 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1059 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1060 necessary places to pass the correct "number of registers" values
1063 2006-08-20 Jan Hubicka <jh@suse.cz>
1065 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1066 (create_name_tags): Instead of quadratic checking use hashtable.
1067 * bitmap.h: Include hashtab.h.
1068 (bitmap_hash): Declare.
1069 * bitmap.c (bitmap_hash): New function.
1071 2006-08-20 Jan Hubicka <jh@suse.cz>
1073 PR rtl-optimization/28071
1074 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1076 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1077 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1078 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1079 cgraph_decide_inlining_incrementally): Update use of
1080 cgraph_check_inline_limits.
1081 * cgraph.c (edge_hash, edge_eq): New function.
1082 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1083 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1084 cgraph_remove_node): Maintain call site hash.
1085 * cgraph.h (struct cgraph_node): Add call_site_hash.
1086 (cgraph_set_call_stmt): New function.
1088 2006-08-20 Jan Hubicka <jh@suse.cz>
1090 PR rtl-optimization/28071
1091 * reload1.c (reg_has_output_reload): Turn into regset.
1092 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1093 choose_reload_regs, emit_reload_insns): Update to new
1094 reg_has_output_reload.
1096 2006-08-20 Jan Hubicka <jh@suse.cz>
1099 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1100 function body sizes.
1101 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1103 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1106 * tree.c (handle_dll_attribute): Return early if not a
1107 var or function decl.
1109 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1112 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1113 alignment of SPE vector types.
1115 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1117 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1119 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1122 * cgraph.h (struct cgraph_node): Remove externally_visible
1124 * cgraphunit.c (process_function_and_variable_attributes): Set
1125 local.externally_visible rather than externally_visible.
1128 * c-common.c (handle_externally_visible_attribute): First look
1129 at TREE_CODE and only if it is function or var decl, check for
1130 non-public objects. Don't warn for DECL_EXTERNAL.
1131 * cgraphunit.c (process_function_and_variable_attributes): Warn
1132 if externally_visible attribute is used on non-public object.
1134 2006-08-17 Jan Hubicka <jh@suse.cz>
1136 PR tree-optimization/27865
1137 * reload1.c (forget_marked_reloads): New function.
1138 (forget_old_reloads_1): When data are passed, just mark the registers
1140 (reload_as_needed): Use the new mechanizm.
1142 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1145 * reload.h (reg_equiv_alt_mem_list): New declaration.
1146 * reload1.c (reg_equiv_alt_mem_list): New definition.
1147 (reload): Initialize it and release it.
1148 (delete_output_reload): Use it.
1149 * reload.c (push_reg_equiv_alt_mem): New function.
1150 (find_reloads_toplev): Call it.
1151 (find_reloads_address, find_reloads_address_1): Likewise.
1152 (find_reloads_subreg_address): Likewise.
1154 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1156 PR rtl-optimization/28489
1157 * sched-ebb.c (begin_schedule_ready): Create basic block
1159 (advance_target_bb): Skip empty blocks.
1160 * haifa-sched.c (bb_note): Make global.
1161 * sched-int.h (bb_note): Add prototype.
1163 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1165 PR tree-optimization/27865
1166 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1168 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1169 fold_used_pointer, pointer_used_p): New functions.
1170 (analyze_scalar_evolution_1): Use fold_used_pointer.
1171 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1172 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1175 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1178 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1179 or the INTEGER_CST. Fail on a CALL_EXPR.
1180 (fold_offsetof): Pass new argument to fold_offsetof_1.
1181 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1182 operand into an INDIRECT_REF.
1183 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1185 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1187 PR gcov/profile/26570
1188 * value-prof.c (static_values): Removed.
1189 (tree_find_values_to_profile): Do not set static_values.
1190 (find_values_to_profile): Do not free static_values.
1191 * profile.c (instrument_values): Do not free the values.
1192 (branch_prob): Free the values.
1194 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1196 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1198 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1201 * c-typeck.c (build_component_ref): Combine qualifiers of
1202 structure or union and field.
1204 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1206 PR rtl-optimization/28071
1207 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1208 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1209 * tree-into-ssa.c (struct dom_dfsnum): New.
1210 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1212 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1213 compute_global_livein.
1214 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1215 in phi nodes in the correct blocks.
1217 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1219 PR tree-optimization/28364
1220 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1222 (fold_affine_expr): New function.
1223 (may_eliminate_iv): Use fold_affine_expr.
1225 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1228 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1231 2006-08-16 Mike Stump <mrs@apple.com>
1233 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1234 * doc/cppopts.texi (-MD): Likewise.
1236 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1239 * c-common.c (handle_weak_attribute): Ignore and warn if
1240 not a FUNCTION_ or VAR_DECL.
1242 2006-07-15 Mike Stump <mrs@apple.com>
1245 * c-parser.c (c_parser_typeof_specifier): Don't use
1246 c_finish_expr_stmt, open code desired semantics instead.
1248 2006-08-15 Nick Clifton <nickc@redhat.com>
1250 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1251 fragment to tmake_file only if threads are enabled.
1252 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1253 * config/i386/t-gthr-win32: New file. ... here.
1255 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1258 * c-parser.c (c_parser_compound_statement_nostart): Reset
1259 parser->error after each statement.
1261 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1264 * omp-low.c (lower_omp_parallel): Convert t to
1265 receiver_decl's type.
1266 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1267 source before comparison.
1270 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1271 to itype in assignment to oldival2.
1273 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1277 * c-typeck.c (build_compound_expr): If the second expression
1278 is an error mark, then just return an error mark instead of
1279 creating a COMPOUND_EXPR.
1281 2006-07-14 Mike Stump <mrs@apple.com>
1283 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1285 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1287 * c-decl.c, var-tracking.c: Fix comment typos.
1289 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1291 PR rtl-optimization/28634
1292 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1293 for floating-point modes unless flag_unsafe_math_optimizations.
1295 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1296 Andrew Pinski <pinskia@physics.uc.edu>
1299 * tree.c (build_array_type): Unify array types with
1300 unspecified index_type.
1301 * c-decl.c (grokdeclarator): Make sure we do not modify a
1302 unified incomplete array type.
1303 * c-typeck.c (store_init_value): Create distinct type before
1304 filling in the index type in an initializer from a compound
1307 * c-decl.c (grokdeclarator): Remove code where we copy the
1310 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1312 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1313 into account for TODO_dump_cgraph.
1314 (TODO_update_ssa_no_phi): Likewise.
1315 (TODO_update_ssa_full_phi): Likewise.
1316 (TODO_update_ssa_only_virtuals): Likewise.
1317 (TODO_remove_unused_locals): Likewise.
1318 (TODO_set_props): Likewise.
1319 (TODO_update_stmt_usage): Likewise.
1321 2006-08-13 Dirk Mueller <dmueller@suse.de>
1323 * c-common.c (strict_aliasing_warning): Fix formatting.
1325 2006-08-13 Matthias Klose <doko@debian.org>
1327 * doc/invoke.texi: Fix spelling errors.
1329 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1331 PR rtl-optimization/23454
1332 * reorg.c (relax_delay_slots): Update comment.
1334 2006-08-11 Richard Guenther <rguenther@suse.de>
1337 * simplify-rtx.c (simplify_const_relational_operation):
1338 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1341 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1343 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1344 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1346 2006-08-10 Paul Brook <paul@codesourcery.com>
1348 * final.c (final_scan_insn): Clear current_insn_predicate before
1349 outputting inline asm.
1351 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1353 PR tree-optimization/26197
1354 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1355 get_ref_base_and_extent and overlap_subvar to add only relevant
1356 subvars as may-aliases.
1357 (add_may_alias_for_new_tag): New function, factored out of
1359 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1360 with additional argument.
1361 * tree-flow.h (new_type_alias): Takes additional argument.
1363 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1365 * gcov.c (no_data_file): New flag.
1366 (read_count_file): Set it if data file not present. Assume counts
1368 (output_lines): Don't name the data file, if there wasn't one.
1370 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1372 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1373 (rs6000_generate_compare): Tweak comments.
1374 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1376 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1378 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1379 (var_debug_decl): New function.
1380 (var_reg_set): Follow debug decl link. Add location even if
1381 reg is already known to hold some other variable.
1382 (var_mem_set): Follow debug decl link.
1383 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1384 decl link. Delete other known locations of the variable part
1386 (var_reg_delete, var_mem_delete): Delete other known locations
1387 of the variable part if requested.
1388 (same_variable_part_p): New function.
1389 (add_stores): Select MO_COPY when appropriate.
1390 (vt_initialize): Handle it.
1391 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1392 known locations for MO_SET and MO_CLOBBER.
1393 (find_variable_location_part): New function.
1394 (set_variable_part, delete_variable_part): Use it.
1395 (clobber_variable_part): New function.
1396 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1399 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1401 PR tree-optimization/26969
1402 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1403 with an empty list of PHIs.
1405 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1409 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1412 2006-08-06 Andreas Schwab <schwab@suse.de>
1414 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1415 string. Whitespace and comment fixup.
1417 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1420 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1424 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1427 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1429 2006-08-04 Jan Hubicka <jh@suse.cz>
1433 * reload.c (push_reload): Patch out the mismatching instruction;
1435 (find_reload): Bail out if the instruction was patched out.
1437 2006-08-04 Jan Hubicka <jh@suse.cz>
1439 PR tree-optimization/24888
1440 * tree-inline.c (expand_call_inline): Do not re-record variables.
1441 (declare_inline_vars): Add variable to unexpanded_var_list.
1443 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1444 Roger Sayle <roger@eyesopen.com>
1446 PR rtl-optimization/26244
1447 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1448 inner_const are negative or greater than or equal to the bitsize of
1449 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1450 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1451 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1452 CONST0_RTX (mode) when the new shift count is greater than or equal to
1453 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1456 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1458 * tree-cfg.c: Fix a comment typo.
1460 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1463 * varasm.c (output_constant): Give the front end another chance to
1464 expand constants, after stripping NOPs.
1466 2006-08-03 Jan Hubicka <jh@suse.cz>
1468 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1471 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1473 PR tree-optimization/27770
1474 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1475 declaration removed (moved to tree-flow.h).
1476 (vect_can_force_dr_alignment_p): Likewise.
1477 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1478 (moved from tree-vectorizer.h).
1479 (vect_can_force_dr_alignment_p): Likewise.
1480 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1481 from outside the vectorizer - in particular from cgraph stage.
1482 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1483 the alignment of global arrays when -fsection-anchors is enabled.
1484 * cgraphunit.c (cgraph_increase_alignment): New function.
1485 (cgraph_optimize): Call cgraph_increase_alignment.
1487 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1490 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1491 not reload a SPE symbol_ref into a lo_sum address.
1493 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1496 * dwarf2out.c (prune_unused_types_prune): Move call to
1497 prune_unused_types_update_strings to cover the parent DIE also.
1499 2006-08-02 Jan Hubicka <jh@suse.cz>
1501 PR gcov/profile/28480
1502 * tree-cfg.c (change_bb_for_stmt): New function.
1503 (tree_merge_blocks, tree_split_blocks): Use it.
1505 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1511 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1512 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1513 (cgraph_optimize): Likewise.
1515 2006-08-01 Stuart Hastings <stuart@apple.com>
1517 * rtl.h (UINTVAL) New.
1518 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1519 * testsuite/gcc.dg/20060801-1.c: New.
1521 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1524 * c-typeck.c (build_external_type): Mark used enum types.
1525 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1527 (gen_subprogram_die): Whitespace fix.
1529 2006-08-01 Jan Hubicka <jh@suse.cz>
1531 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1532 bitmap when not needed.
1533 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1536 2006-08-01 Dirk Mueller <dmueller@suse.de>
1538 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1540 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1542 * Makefile.in: Revert part of previous patch:
1543 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1546 2006-07-30 Eric Christopher <echristo@apple.com>
1549 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1550 (PowerPC Variable Attributes): New section.
1552 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1554 PR target/28126 (partial fix)
1555 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1557 2006-07-28 Jan Hubicka <jh@suse.cz>
1559 PR rtl-optimization/28071
1560 * cfgrtl.c (rtl_delete_block): Free regsets.
1561 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1563 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1565 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1566 and variables used in dependencies.
1568 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1570 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1571 %fs for -mcmodel=kernel.
1572 (stack_tls_protect_test_di): Likewise.
1574 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1576 * Makefile.in: Use mkinstalldirs.
1578 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1581 * opts-common.c (prune_options): Skip joined switches.
1583 2006-07-27 Jan Hubicka <jh@suse.cz>
1585 PR rtl-optimization/28071
1586 * cselib.c (cselib_process_insn): Don't remove useless values too
1587 often for very large hashtables.
1589 2006-07-27 Jan Hubicka <jh@suse.cz>
1591 PR rtl-optimization/28071
1592 * global.c (greg_obstack): New obstack.
1593 (allocate_bb_info): Use it.
1594 (free_bb_info): Likewise.
1595 (modify_reg_pav): Likewise.
1597 2006-07-27 Roger Sayle <roger@eyesopen.com>
1599 * builtins.c (fold_fixed_mathfn): When long and long long are the
1600 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1601 functions to their lceil*, lfloor*, lround* and lrint* forms.
1603 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1606 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1608 (rev_branch_insn): Likewise.
1610 2006-07-27 Jan Hubicka <jh@suse.cz>
1612 PR rtl-optimization/28071
1613 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1614 (reg_set_in_bb, max_reg_computed): New static variables.
1615 (regmove_optimize): Free the new array.
1616 (fixup_match_1): Update call of reg_is_remote_constant_p.
1618 2006-07-26 Jan Hubicka <jh@suse.cz>
1620 PR tree-optimization/27882
1621 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1623 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1625 (cgraph_analyze_compilation_unit): Likewise.
1626 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1627 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1628 (cgraph_early_inlinine): Make order garbage collected.
1629 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1631 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1633 * dbxout.c (output_types_sort): Add a comment.
1634 (output_used_types): Free the VEC.
1636 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1638 * function.c (reorder_fix_fragments): Delete.
1639 (reorder_blocks): Don't call it.
1640 (reorder_blocks_1): Put all subblocks under the origin block.
1642 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
1644 PR rtl-optimization/27907
1645 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
1648 2006-07-25 Roger Sayle <roger@eyesopen.com>
1651 * convert.c (convert_to_integer): When transforming (T)foo(x) into
1652 bar(x) check that bar's result type can represent all the values of T.
1654 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
1656 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
1658 2006-07-25 Nick Clifton <nickc@redhat.com>
1660 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
1661 size_lookup[] array.
1662 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
1663 (ggc_pch_count_object): Likewise.
1664 (ggc_pch_alloc_object): Likewise.
1665 (ggc_pch_write_object): Likewise.
1666 (init_ggc): Do not attempt to initialize entries in the
1667 size_lookup[] array for objects whose size is greater than than
1668 the length of the array.
1670 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
1672 * dbxout.c (output_used_types_helper): Push queued types
1674 (output_types_sort): New.
1675 (output_used_types): Collect used types on a VEC and sort them
1678 2006-07-24 Richard Guenther <rguenther@suse.de>
1681 * cgraph.c (cgraph_remove_node): Do not check if dumps
1683 * cgraphunit.c (cgraph_optimize): Likewise.
1685 2006-07-24 Jan Hubicka <jh@suse.cz>
1687 PR rtl-optimization/28071
1688 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
1689 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
1690 splitting before first stmt.
1692 2006-07-24 Jan Hubicka <jh@suse.cz>
1694 PR rtl-optimization/28071
1695 * ipa-inline.c (update_caller_keys): Remove edges that
1696 are no longer inline candidates.
1698 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
1701 * dbxout.c (output_used_types_helper, output_used_types): New.
1702 (dbxout_symbol): Call output_used_types.
1704 2006-07-23 Jan Hubicka <jh@suse.cz>
1708 * cgraph.c (cgraph_varpool_nodes): Export.
1709 (decide_is_variable_needed): Ignored "used" attribute in
1710 unit-at-a-time mode.
1711 * cgraph.h (cgraph_varpool_nodes): Declare.
1712 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
1713 unit-at-a-time mode.
1715 2006-07-23 Roger Sayle <roger@eyesopen.com>
1718 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
1719 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
1720 the __gthrw form of thr_keycreate.
1721 (__gthread_key_delete): Silence the unused argument warning.
1723 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
1726 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
1727 Cache the last found '\0' marker to avoid quadratic behavior.
1729 2006-07-23 Jan Hubicka <jh@suse.cz>
1731 * i386.md (subsi_3_zext): Fix output template.
1733 2006-07-21 Mike Stump <mrs@apple.com>
1735 * doc/invoke.texi (C++ Dialect Options): Note that
1736 -fvisibility-inlines-hidden doesn't affect explicitly
1737 instantiationed inline methods.
1739 2006-07-20 Roger Sayle <roger@eyesopen.com>
1741 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
1742 if the target assembler is GNU binutils' gas.
1743 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
1744 whether to pass GNU gas or native as command line options.
1746 2006-07-20 Jason Merrill <jason@redhat.com>
1748 * tree.c (remove_attribute): New fn.
1749 * tree.h: Declare it.
1751 2006-07-20 Paul Brook <paul@codesourcery.com>
1754 * cse.c (cse_insn): Add destination addresses to hash table. Check if
1755 they are invalidated by this instruction.
1757 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
1760 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
1762 2006-07-20 Eric Christopher <echristo@apple.com>
1765 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
1767 2006-07-19 Eric Christopher <echristo@apple.com>
1769 * config/t-slibgcc-darwin (stmp-lipo): Remove.
1770 Rewrite dependencies for libgcc_s.1.dylib.
1772 2006-07-19 Jakub Jelinek <jakub@redhat.com>
1774 * except.c (duplicate_eh_regions_1): Clear next_peer.
1776 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
1778 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
1779 -mlongcall does not guarantee all calls will be long.
1780 * doc/extend.texi (long_call/short_call): Document that longcall
1781 does not guarantee a long call will be used.
1782 (longcall/shortcall): Likewise.
1784 2006-07-18 Roger Sayle <roger@eyesopen.com>
1787 * expmed.c (expand_shift): Additionally check that the shift_cost
1788 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
1789 before implementing a LSHIFT_EXPR as a sequence of additions.
1790 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
1791 middle-end that DImode shifts need to be synthesized by expand.
1793 2006-07-18 Diego Novillo <dnovillo@redhat.com>
1796 * tree-ssa-operands.c (access_can_touch_variable): Update
1798 Return true if ALIAS is .GLOBAL_VAR.
1800 2006-07-18 David Daney <ddaney@avtrex.com>
1802 * gcc.c (display_help): Fix typo in help text.
1804 2006-07-18 Olivier Hainque <hainque@adacore.com>
1806 * tree.h (categorize_ctor_elements): Adjust prototype and add
1807 descriptive comment, both in accordance with the interface change
1809 * varasm.c (constructor_static_from_elts_p): New function.
1810 Whether a constructor node is a valid static constant initializer
1811 if all its elements are.
1812 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
1813 * output.h: Declare it.
1814 * expr.c (categorize_ctor_elements_1): Return whether the constructor
1815 is a valid constant initializer instead of computing the number of
1816 non-constant elements. Use constructor_static_from_elts_p for this
1817 purpose. Replace the head comment with an indication that this is a
1818 helper for categorize_ctor_elements.
1819 (categorize_ctor_elements): Same interface change as for the _1
1820 helper. Former head comment from this helper moved here, adjusted to
1821 account for the interface changes.
1822 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
1823 (all_zeros_p): Likewise.
1824 * gimplify.c (gimplify_init_constructor): Decide whether we can make
1825 static versions of the constructor from the categorize_ctor_elements
1826 return value instead of the formerly computed number of non-constant
1829 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
1831 * configure: Regenerate.
1832 * Makefile.in (build_libsubdir): New configure substitution
1833 (build_libobjdir): New variable.
1834 (BUILD_LIBIBERTY): Use it.
1836 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1839 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
1841 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
1844 * c-common.c (handle_weakref_attribute): Ignore attribute in
1845 the same conditions the alias attribute is ignored.
1847 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
1849 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
1850 (dbxout_begin_prologue): Increment scope_labelno.
1852 2006-07-17 Richard Henderson <rth@redhat.com>
1855 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
1858 2006-07-17 Roger Sayle <roger@eyesopen.com>
1859 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1861 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
1862 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
1863 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
1864 functions such as sbrk, write, etc.. Add function prototypes.
1865 Convert function declarations from K&R to ISO C. Cast pointers
1866 to "long" and "unsigned long" instead of "int" and "unsigned int".
1867 Convert tokens following #endif into comments.
1869 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
1871 * invoke.texi: Remove mention of f77; Reformat table for
1872 inline parameter options correctly; mention that -malign-double
1873 is default on x86-64 targets.
1875 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
1877 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
1878 (convert_affine_scev, chrec_convert_aggressive): Use
1879 avoid_arithmetics_in_type_p. Do not check for the subtypes
1882 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1885 * optabs.c (expand_doubleword_shift): Wrap the call to
1886 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
1888 2006-07-17 Richard Sandiford <richard@codesourcery.com>
1891 * optabs.c (expand_binop): Pass next_methods rather than methods
1892 to expand_doubleword_shift.
1894 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
1897 * tree.h (dump_addr): Declare.
1898 * print-tree.c (dump_addr): New function.
1899 (print_node_brief, print_node): Use it.
1900 * print-rtl.c (print_rtx): Likewise.
1901 * common.opt (-fdump-noaddr): New option.
1902 * doc/invoke.texi (-fdump-noaddr): Document.
1903 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
1904 (ve_info_hash): Likewise.
1906 2006-07-13 Andrew Haley <aph@redhat.com>
1908 PR tree-optimization/19505
1909 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
1910 edge leaving this block, make sure that the destination of this
1911 block has only one predecessor.
1913 2006-07-17 Richard Guenther <rguenther@suse.de>
1915 PR tree-optimization/28238
1916 * tree-inline.c (copy_bb): Check if we produced valid
1917 gimple copying and substituting a stmt. If not, gimplify
1920 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
1922 * optabs.c (maybe_encapsulate_block): New function extracted from...
1923 (emit_libcall_block): ...here. Invoke it on the block of insns to
1924 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
1925 (emit_no_conflict_block): Likewise.
1927 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
1929 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
1931 2006-07-15 Roger Sayle <roger@eyesopen.com>
1933 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
1934 a new NOP_EXPR case of the switch statement.
1936 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
1939 * stor-layout.c (place_field): Take the bit field with
1940 an excessive size into account in the ms-bitfiled case.
1943 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
1944 the previous bit field.
1946 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
1949 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
1951 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
1953 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
1954 signal frames correctly even when the signal was installed with
1957 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
1959 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
1960 (dbxout_function_end): Use local label LFBB. Remove hook
1962 (dbxout_source_line): Use local label LFBB.
1963 (dbxout_block): Likewise.
1964 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
1965 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
1966 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
1967 and DBX_OUTPUT_NFUN.
1969 2006-07-13 Janis Johnson <janis187@us.ibm.com>
1971 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
1973 2006-07-13 Jan Hubicka <jh@suse.cz>
1975 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
1977 * output.h (align_variable): Declare.
1978 * varasm.c (align_variable): Export.
1979 * value-prof.c (tree_value_profile_transformations): Recompute iterator
1980 when basic block changed.
1982 2006-07-13 Nick Clifton <nickc@redhat.com>
1984 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
1985 walking the LOG_LINKS chain.
1987 2006-07-12 Geoffrey Keating <geoffk@apple.com>
1989 * doc/invoke.texi (C++ Dialect Options): Explain difference
1990 between -fvisibility-inlines-hidden and setting hidden
1991 visibility explicitly.
1993 2006-07-12 Eric Christopher <echristo@apple.com>
1995 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
1996 (stmp-lipo): Depend on libgcc.a.
1998 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2000 * tree.c: Fix a comment typo.
2002 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2004 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2006 (umulhisi3_r): Likewise.
2008 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2011 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2012 x < 19, vs wchar_t support.
2014 2006-07-12 Nick Clifton <nickc@redhat.com>
2016 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2017 instead of -isa=sh4.
2019 2006-07-12 Mike Stump <mrs@apple.com>
2021 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2023 2006-07-10 Eric Christopher <echristo@apple.com>
2025 * config/t-slibgcc-darwin: Rewrite.
2027 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2030 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2033 2006-07-08 Matthias Klose <doko@debian.org>
2035 * doc/sourcebuild.texi: Fix typo.
2037 2006-07-07 Mike Stump <mrs@apple.com>
2039 * toplev.c (process_options): Don't give -ffunction-sections may
2040 affect debugging warning for Mach-O.
2042 2006-07-07 James E Wilson <wilson@specifix.com>
2044 * config/mips/mips.md (cpu): Add sb1a.
2045 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2046 addition to sb1. Adjust comments to clarify SB-1A differences from
2048 (ir_sb1a_load): New. Modify bypasses to use it.
2049 (ir_sb1a_simple_alu): Likewise.
2050 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2051 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2052 (mips_issue_rate): Add PROCESSOR_SB1A.
2053 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2054 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2055 (TARGET_SB1): Add PROCESSOR_SB1A check.
2056 (TUNE_SB1): Likewise.
2058 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2059 * config/mips/mips.c (mips_store_data_bypass_p): New.
2060 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2061 store_data_bypass_p.
2063 2006-07-08 Paul Brook <paul@codesourcery.com>
2066 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2068 2006-07-07 Richard Guenther <rguenther@suse.de>
2071 * tree.h (build_one_cst): Declare.
2072 * tree.c (build_one_cst): New function.
2073 * tree-ssa-math-opts.c (get_constant_one): Remove.
2074 (insert_reciprocals): Use build_one_cst.
2075 * fold-const.c (fold_plusminus_mult): Likewise.
2077 2006-07-07 Roger Sayle <roger@eyesopen.com>
2079 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2080 * cfgloopanal.c (dump_graph): Likewise.
2081 * dojump.c (discard_pending_stack_adjust): Likewise.
2082 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2084 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2085 * function.c (finalize_block_changes): Likewise.
2086 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2087 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2088 * rtl.c (dump_rtx_statistics): Likewise.
2089 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2091 * varray.c (dump_varray_statistics): Likewise.
2092 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2093 decode_decimal64, encode_decimal128, decode_decimal128,
2094 decimal_real_to_decimal): Likewise.
2096 2006-07-07 Richard Guenther <rguenther@suse.de>
2098 PR tree-optimization/28187
2099 * tree-vrp.c (vrp_operand_equal_p): New function.
2100 (vrp_bitmap_equal_p): Likewise.
2101 (update_value_range): Use them to compare old and new
2104 2006-07-06 Roger Sayle <roger@eyesopen.com>
2106 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2107 a default case to switch statement to silence compiler warnings.
2109 2006-07-06 Roger Sayle <roger@eyesopen.com>
2112 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2113 the configured assembler supports the x87's ffreep mnemonic.
2114 * configure: Regenerate.
2115 * config.in: Regenerate.
2117 * config/i386/i386.c (output_387_ffreep): New function.
2118 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2119 (output_387_reg_move): Likewise.
2121 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2123 Port to hosts whose 'sort' and 'tail' implementations
2124 treat operands with leading '+' as file names, as POSIX
2125 has required since 2001. However, make sure the code still
2126 works on pre-POSIX hosts.
2127 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2128 which says you should use "tail -c +N" rather than "tail +Nc".
2129 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2131 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2133 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2136 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2139 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2140 PRE_{INC,DEC} of TFmode.
2142 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2143 Alan Modra <amodra@bigpond.net.au>
2146 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2149 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2152 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2153 Remove duplicate gtu.
2155 2006-07-05 Jason Merrill <jason@redhat.com>
2159 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2160 * c-common.c (handle_packed_attribute): So don't copy it here.
2161 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2163 2006-07-05 Mike Stump <mrs@apple.com>
2165 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2167 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2170 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2172 2006-07-05 Richard Guenther <rguenther@suse.de>
2175 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2176 TARGET_SSE2 targets if using SSE math.
2177 (*absdf2_1): Likewise.
2179 2006-07-05 Richard Guenther <rguenther@suse.de>
2181 PR tree-optimization/28162
2182 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2183 make sure to convert the operands to the correct type.
2185 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2187 PR tree-optimization/28218
2189 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2190 to calculate and free the dominator information.
2192 2006-07-04 Peter O'Gorman <peter@pogma.com>
2194 * mklibgcc.in: chmod 644 before ranlib during install.
2196 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2197 J"orn Rennecke <joern.rennecke@st.com>
2199 * configure.ac (.eh_frame data check): Use diff -b.
2201 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2204 * Makefile.in (BUILD_RTL): Add build/vec.o.
2205 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2206 (build/genextract): Delete.
2207 (build/genautomata): Likewise.
2209 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2212 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2213 128-bit IBM long doubles for ABI_V4.
2215 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2217 * tree.c (range_in_array_bounds_p): New predicate.
2218 * tree.h (range_in_array_bounds_p): Declare it.
2219 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2220 return a less conservative answer.
2221 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2222 and flag 'is_group'.
2223 (IS_ELEMENT_FOR_GROUP): New macro.
2224 (FOR_EACH_ACTUAL_CHILD): Likewise.
2225 (next_child_for_group): New helper function.
2226 (can_completely_scalarize_p): Take into account groups.
2227 (sra_hash_tree): Handle RANGE_EXPR.
2228 (sra_elt_eq): Likewise.
2229 (lookup_element): Be prepared for handling groups.
2230 (is_valid_const_index): Delete.
2231 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2232 instead of is_valid_const_index.
2233 <ARRAY_RANGE_REF>: New case.
2234 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2235 is_valid_const_index.
2236 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2237 (scan_dump): Dump info for groups too.
2238 (decide_instantiation_1): Likewise.
2239 (decide_block_copy): Assert that the element is not a group.
2240 Propagate decision to groups.
2241 (generate_one_element_ref): Handle RANGE_EXPR.
2242 (mark_no_warning): Iterate over actual childs.
2243 (generate_copy_inout): Likewise.
2244 (generate_element_copy): Likewise.
2245 (generate_element_zero): Likewise.
2246 (generate_element_init_1): Likewise.
2247 (dump_sra_elt_name): Handle RANGE_EXPR.
2249 2006-07-03 Roger Sayle <roger@eyesopen.com>
2251 PR tree-optimization/26251
2252 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2253 (thread_block): When optimizing for size refuse to thread jumps
2254 that would require duplication of blocks other than redirection
2257 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2259 * configure.ac: Fix thinko in previous check-in.
2260 * configure: Regenerate.
2262 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2265 * configure.ac (for lang...): Simplify nesting of conditionals.
2266 Test subdir_requires for non-enabled languages. Move processing
2267 of lang_opt_files and lang_tree_fiels below that test.
2268 * configure: Regenerate.
2269 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2271 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2273 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2275 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2277 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2280 2006-06-29 Jason Merrill <jason@redhat.com>
2287 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2288 * c-common.c (c_determine_visibility): Handle it here.
2289 * c-decl.c (finish_decl): Call c_determine_visibility for
2291 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2293 * varasm.c (default_assemble_visibility): Likewise.
2294 * c-common.c (handle_visibility_attribute): Complain about trying
2295 to give visibility to an already defined class, or trying to change
2296 declared visibility. Always attach the attribute.
2301 * attribs.c (decl_attributes): Ignore type-in-place attributes
2302 once the type has been defined.
2304 2006-06-29 Roger Sayle <roger@eyesopen.com>
2307 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2308 to indicate the cpplib has issued an error message for us.
2310 2006-06-29 Asher Langton <langton2@llnl.gov>
2313 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2314 insert a label at the end of an function under Mach-O.
2316 2006-06-29 Eric Christopher <echristo@apple.com>
2317 Evan Cheng <evan.cheng@apple.com>
2319 * predicates.md (vector_all_ones_operand): New.
2320 (nonimmediate_or_sse_const_operand): Ditto.
2321 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2322 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2323 (standard_sse_mode_p): Ditto.
2324 (standard_sse_constant_p): Add case for -1 vector.
2325 (ix86_expand_vector_move): Try to use.
2326 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2327 Call standard_sse_constant_opcode.
2328 (*movv4sf_internal): Ditto.
2329 (*movv2df_internal): Ditto.
2331 2006-06-29 Roger Sayle <roger@eyesopen.com>
2333 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2334 of XEXP to extract the operands of a MATCH_CODE rtx.
2336 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2338 * tree.c (tree_size): Do not waste tail padding in
2339 struct tree_string and make the size be the same as
2340 build_string will generate.
2342 2006-06-28 Jason Merrill <jason@redhat.com>
2345 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2346 may_aliases already in the tag's annotations to the bitmap.
2348 2006-06-28 Roger Sayle <roger@eyesopen.com>
2350 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2352 2006-06-28 Roger Sayle <roger@eyesopen.com>
2354 * genpreds.c (generate_switch_p): New function.
2355 (add_mode_tests): Push the new mode test down inside an AND expr
2356 if this allows the switch-suitable MATCH_CODE to be near the root.
2357 (write_match_code_switch): New function to write a MATCH_CODE as
2359 (write_predicate_stmts): New function to write a predicate RTX
2360 expression as a sequence of statements.
2361 (write_one_predicate_function): Use write_predicate_stmts.
2362 (write_tm_constrs_h): Likewise.
2364 2006-06-26 Fred Fish <fnf@specifix.com>
2366 * config/mips/t-sb1: New file.
2367 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2370 2006-06-26 DJ Delorie <dj@redhat.com>
2372 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2374 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2375 Jayant Sonar <jayants@kpitcummins.com>
2376 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2378 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2379 (subsi3, subsi3_1, subsi3_2): New.
2380 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2381 * config/m32c/mov.md (SI mov peephole): New.
2382 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2383 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2385 2006-06-26 Olivier Hainque <hainque@adacore.com>
2387 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2388 a CALL_EXPR target function declaration.
2390 2006-06-26 Richard Guenther <rguenther@suse.de>
2392 * tree.c (build_string): Do not waste tail padding in
2395 2006-06-26 Richard Guenther <rguenther@suse.de>
2397 * ggc-page.c (init_ggc): Add missing element to size_lookup
2401 2006-06-23 Richard Guenther <rguenther@suse.de>
2403 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2404 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2405 alignment requests instead. Add verification code.
2406 Add struct tree_function_decl and struct tree_binfo size to
2407 extra_order_size_table. Add missing element to size_lookup
2410 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2413 * fold-const.c (const_binop): Be prepared for self returning zero.
2414 Simplify code handling complex values.
2416 2006-06-24 Olivier Hainque <hainque@adacore.com>
2418 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2419 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2422 2006-06-24 Olivier Hainque <hainque@adacore.com>
2424 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2425 ARRAY_REF, so have the callback called for the low bound expression.
2427 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2429 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2430 * c-typeck.c (c_common_type): Disallow operations on decimal float
2431 types and other float types.
2432 * convert.c (convert_to_real): Don't ignore conversions involving
2433 decimal float types.
2435 2006-06-23 Olivier Hainque <hainque@adacore.com>
2437 * tree.c (max_int_size_in_bytes): New function, inspired from
2438 code in function.c:assign_temp.
2439 * tree.h (max_int_size_in_bytes): Declare.
2440 * function.c (assign_temp): Use it.
2441 * gimplify.c (create_tmp_var): Relax the assertions on the type
2442 properties, not mandating constant size any more.
2443 (force_constant_size): New static function.
2444 (gimple_add_tmp_var): Use it, forcing variable size to a
2445 constant upper bound if it is not constant on entry.
2447 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2450 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2451 for initialization and setting of one_only flag to ...
2452 (i386_pe_encode_section_info): ...here.
2453 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2454 Recheck that the symbol has not been defined.
2456 2006-06-23 Richard Guenther <rguenther@suse.de>
2458 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2459 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2460 alignment requests instead. Add verification code.
2461 Add struct tree_function_decl and struct tree_binfo size to
2462 extra_order_size_table. Add missing element to size_lookup
2465 2006-06-22 Roger Sayle <roger@eyesopen.com>
2466 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2469 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2470 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2472 2006-06-23 Ben Elliston <bje@au.ibm.com>
2474 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2475 negate dn -- manipulate it directly.
2477 2006-06-22 Roger Sayle <roger@eyesopen.com>
2478 Steven Bosscher <stevenb.gcc@gmail.com>
2481 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2482 generated by gen_move_insn to add REG_LABEL notes if necessary.
2484 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2486 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2487 (leaf_entry): Remove use of MIN_ESA.
2489 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2491 PR rtl-optimization/28121
2492 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2495 2006-06-21 DJ Delorie <dj@redhat.com>
2497 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2499 (mulhisi3_r): Likewise.
2501 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2504 * coverage.c (coverage_counter_alloc): Leave the index type
2506 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2509 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2511 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2512 section from the "Options for Code Generation Conventions".
2514 2006-06-21 Richard Henderson <rth@redhat.com>
2518 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2520 (global_symbolic_operand): Allow weak symbols, even if local_p.
2522 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2524 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2525 (find_interesting_uses_address): Punt if above function returns true.
2527 2006-06-21 Richard Guenther <rguenther@suse.de>
2529 * configure: Regenerated.
2531 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2533 * config/mips/mips.c (function_arg): Where one part of a
2534 complex argument is in registers and the other part in the stack,
2535 return a REG not a PARALLEL.
2537 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2539 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2540 when cross-compiling. Do not substitute libstdcxx_incdir.
2541 * configure: Regenerated.
2543 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2545 * varasm.c (mergeable_string_section): Check for embedded NULs and
2546 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2547 rather than TREE_STRING_LENGTH bytes.
2549 2006-06-21 Richard Guenther <rguenther@suse.de>
2551 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2552 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2555 2006-06-21 Richrad Guenther <rguenther@suse.de>
2557 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2558 Limit iteration over the dominators.
2560 2006-06-20 Roger Sayle <roger@eyesopen.com>
2562 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2563 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2565 2006-06-20 Richard Guenther <rguenther@suse.de>
2566 Michael Matz <matz@suse.de>
2568 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2570 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2571 * et-forest.h (et_free_pools): Prototype new function.
2572 * et-forest.c (et_free_tree_force): Free parent occurrence.
2573 (et_free_pools): New function.
2574 * dominance.c (free_dominance_info): Free et-forest alloc
2577 2006-06-20 Roger Sayle <roger@eyesopen.com>
2579 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2580 integer modes, attempt to directly construct an integer constant.
2582 * fold-const.c (native_encode_vector): Determine the size of each
2583 element from the vector type instead of the first vector element.
2585 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2586 if all of its elements/components are constant.
2587 (build_constructor_from_list): Likewise.
2589 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2591 PR tree-optimization/27331
2592 * tree-data-ref.c (free_data_ref): New function.
2593 (create_data_ref): Fail if the data reference has unknown access
2595 (free_data_refs): Use free_data_ref.
2597 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2600 * tree-inline.c (setup_one_parameter): Strip useless
2601 type conversion before adding it to the IR.
2602 (declare_return_variable): Likewise.
2604 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2607 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2609 2006-06-19 Mike Stump <mrs@apple.com>
2611 * tree.c (variably_modified_type_p): VM arguments don't make the
2614 2006-06-19 Richard Guenther <rguenther@suse.de>
2616 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2617 type conversions after folding.
2619 2006-06-19 Richard Guenther <rguenther@suse.de>
2621 * ggc-page.c (extra_order_size_tab): Add entries with
2622 size of struct function and basic_block.
2623 (size_lookup): Extend to cover sizes up to 511.
2624 (ggc_alloc_stat): Adjust user.
2625 (ggc_pch_count_object): Likewise.
2626 (ggc_pch_alloc_object): Likewise.
2627 (ggc_pch_write_object): Likewise.
2629 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2631 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2632 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2635 2006-06-19 Denis Chertykov <denisc@overta.ru>
2637 * config/avr/libgcc.S : Correct my wrong previous commit.
2639 2006-06-19 Roger Sayle <roger@eyesopen.com>
2642 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
2643 have stripped a SUBREG from the shift count, so we may need to
2644 convert_to_mode back to the type's mode before calling make_tree.
2645 Use new_amount instead of amount to avoid expanding a tree twice.
2647 2006-06-19 Richard Guenther <rguenther@suse.de>
2650 * fold-const.c (operand_equal_p): Check if the argument types
2651 have the same precision before stripping NOPs.
2653 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
2655 Fix PR tree-optimization/27341
2656 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
2658 * tree-complex.c (pass_lower_complex): Update SMT usage.
2660 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
2662 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
2663 Add a new alternative to the constraint strings. Add move of
2664 operand 1 to 3 to the splitter definition.
2665 ("doloop_si_long"): Second contraint alternative removed.
2667 2006-06-08 Anatoly Sokolov <aesok@post.ru>
2669 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
2670 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
2672 (AVR_HAVE_MOVW) Define.
2673 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
2674 (ASM_SPEC): Add avr25.
2675 (LINK_SPEC): Add avr25.
2676 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
2677 (base_arch_s): Add new member 'have_movw_lpmx'.
2678 (avr_arch_types): Init 'have_movw_lpmx'.
2679 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
2680 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
2681 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
2682 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
2683 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
2685 (avr_file_start): Do not output '.arh' derective.
2686 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
2687 (__do_copy_data): Use __AVR_HAVE_LPMX__.
2688 * config/avr/avr.md (mcu_enhanced): Delete.
2689 (mcu_have_movw): Define.
2690 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
2691 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
2692 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
2693 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
2694 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
2695 attiny861 and at86rf401 devices.
2697 2006-06-18 Jie Zhang <jie.zhang@analog.com>
2699 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
2702 2006-06-17 Karl Berry <karl@gnu.org>
2704 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
2705 doc/gccint.texi, doc/install.texi (@dircategory): Use
2706 "Software development" instead of "Programming", following
2707 the Free Software Directory.
2709 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
2711 * config/i386/i386.c (legitimate_tls_address)
2712 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
2713 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
2714 (*tls_dynamic_gnu2_combine_64): Likewise.
2716 2006-06-16 Richard Guenther <rguenther@suse.de>
2719 * fold-const.c (negate_expr_p): Do not introduce undefined
2720 overflow in negating INTEGER_CSTs.
2721 (fold_negate_expr): Rename from negate_expr. Revert last
2722 change for folding BIT_NOT_EXPR. Change semantics to
2723 return NULL_TREE for non-simplified negations. Do not
2724 strip type conversions and unify type handling.
2725 (negate_expr): New function, wrap around fold_negate_expr
2726 but ensure building a tree always. Strip type conversions
2727 here, fold to result type.
2728 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
2730 2006-06-16 Roger Sayle <roger@eyesopen.com>
2733 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
2734 that (would) return their results in stack registers.
2736 2006-06-16 Michael Matz <matz@suse.de>
2737 Richard Guenther <rguenther@suse.de>
2739 * fold-const.c (fold_truthop): Only return new tree node if
2740 we canonicalized something.
2742 2006-06-16 Richard Guenther <rguenther@suse.de>
2744 * function.h (enum function_frequency): Move declaration
2745 out of struct function.
2746 (struct function): Move bool fields and the enum to the bitfield
2747 section. Reorder elements to avoid padding. Remove unused
2748 fields left over from the RTL inliner removal.
2749 * function.c (free_after_compilation): Do not zero removed fields.
2750 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
2751 (ipa-type-escape.o): Likewise.
2753 2006-06-16 Richard Guenther <rguenther@suse.de>
2755 * cgraph.h (struct cgraph_local_info): Turn bool elements
2757 (struct cgraph_node): Likewise.
2758 (struct cgraph_varpool_node): Likewise.
2760 2006-06-15 Richard Guenther <rguenther@suse.de>
2762 * fold-const.c (fold_truth_not_expr): Rename from
2763 invert_truthvalue. Give it fold_* semantics to avoid
2765 (invert_truthvalue): New function. Wrapper around
2766 fold_truth_not_expr.
2767 (optimize_minmax_comparison): Avoid creating garbage.
2768 (fold_unary): Use fold_truth_not_expr for folding
2770 (fold_ternary): Replace uses of invert_truthvalue with
2771 fold_truth_not_expr where applicable.
2772 * tree.h (fold_truth_not_expr): Prototype.
2774 2006-06-16 Richard Guenther <rguenther@suse.de>
2776 PR tree-optimization/27781
2777 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
2778 * ipa-pure-const.c (target.h): Include.
2779 (analyze_function): Do not analyze functions that do not
2782 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
2785 * tree-dfa.c (referenced_vars_dup_list): Remove.
2786 (find_referenced_vars): Remove assert.
2787 (referenced_var_check_and_insert): Replace dup list with assert.
2788 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
2789 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
2791 2006-06-15 Richard Guenther <rguenther@suse.de>
2793 * tree-ssa-structalias.c (alias_get_name): Avoid creating
2794 extra unused identifiers if not dumping.
2795 (create_variable_info_for): Likewise.
2797 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
2799 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
2800 (derive_constant_upper_bound): Derive more precise upper bound in
2801 common cases. Return type changed to double_int.
2802 (record_estimate): Reflect the changed return type of
2803 derive_constant_upper_bound.
2804 * double-int.c (double_int_zext, double_int_sext): Fix.
2806 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
2808 * configure.ac (CFLAGS): Get them from the toplevel or from the
2809 configure invocation.
2810 * configure: Regenerate.
2811 * Makefile.in (CFLAGS): Substitute value provided by configure.
2813 2006-06-14 Mark Mitchell <mark@codesourcery.com>
2816 * c-common.h (c_finish_omp_atomic): Adjust declaration.
2817 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
2818 rather than calling add_stmt on it.
2819 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
2821 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
2824 * reload1.c (reload): Remove registers returned by update_eliminables
2825 from used_spill_regs.
2827 2006-06-13 DJ Delorie <dj@redhat.com>
2829 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
2831 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
2833 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
2834 html__strip_dir, html__mkdir_p. Enhance install-html target.
2835 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
2836 * configure: Regenerate.
2838 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
2840 * fold-const.c (fold_cond_expr_with_comparison): Check for
2841 Objective-C++ as language in deciding COND_EXPR transformation.
2843 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
2846 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
2847 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
2848 * config/sh/lib1funcs.h (SL, SL1): Define.
2849 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
2850 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
2851 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
2852 (OBJS_Os_4_200): New variable.
2853 ($(T)libgcc-Os-4-200.a): Use it.
2854 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
2855 when dividing 1 and/or by 0.
2857 2006-06-13 Roger Sayle <roger@eyesopen.com>
2859 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
2860 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
2861 * configure: Regenerate.
2863 2006-06-13 Jie Zhang <jie.zhang@analog.com>
2865 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
2866 for real instruction.
2868 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2871 * haifa-sched.c (check_cfg): Handle special case.
2873 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
2876 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
2877 Add debug_info parameter. Chain the vars to the BLOCK instead
2878 of the BIND_EXPR if debug info are requested for them.
2879 (pop_gimplify_context): Adjust for above change.
2880 (gimple_add_tmp_var): Likewise.
2881 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
2883 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
2884 (convert_local_reference): Likewise.
2885 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
2886 (finalize_nesting_tree_1): Request that debug info be emitted
2887 for debug_var_chain.
2889 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2891 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
2892 for PR target/27863.
2894 2006-06-13 Richard Guenther <rguenther@suse.de>
2897 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
2899 2006-06-13 Richard Guenther <rguenther@suse.de>
2901 PR tree-optimization/27830
2902 * tree-inline.c (copy_body_r): For copying the operand
2903 of an ADDR_EXPR make sure to fold &* afterwards.
2905 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
2907 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
2908 lvalues in the fb_none case with side-effects.
2910 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
2912 * tree-flow.h: Remove the prototype for
2913 compute_phi_arg_on_exit.
2914 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
2915 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
2918 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
2920 * builtins.c (expand_builtin_return_addr): Only use
2921 frame_pointer_rtx when count == 0 and we are expanding
2922 __builtin_return_address.
2924 2006-06-12 Fred Fish <fnf@specifix.com>
2926 * config/mips/mips.c (mips_file_start): Create special section
2927 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
2929 2006-06-11 Eric Christopher <echristo@apple.com>
2932 * stor-layout.c (place_field): Remove check for
2933 remaining_in_alignment when aligning at the end of a run.
2935 2006-06-11 Eric Christopher <echristo@apple.com>
2938 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
2941 2006-06-11 Roger Sayle <roger@eyesopen.com>
2944 Revert incorrect fix for PR target/27158
2945 2006-05-08 Roger Sayle <roger@eyesopen.com>
2946 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2947 of a reg_equiv_constant if the result is a legitimate constant.
2949 2006-06-11 Roger Sayle <roger@eyesopen.com>
2952 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
2953 extract a CONST_VECTOR element and interpret it as an integer.
2954 (vspltis_constant): Use const_vector_elt_as_int instead of the
2955 macro CONST_VECTOR_ELT in order to handle FP vector modes.
2956 * config/rs6000/predicates.md (easy_vector_const): Consider
2957 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
2959 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
2962 * stor-layout.c (update_alignment_for_field): Don't add extra
2963 alignment for packed non-bitfield fields in ms_bitfield_layout_p
2966 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
2968 * config/mips/t-rtems: Add EL/EB multilib variants.
2970 2006-06-09 Mike Stump <mrs@apple.com>
2972 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
2974 2006-06-09 David Daney <ddaney@avtrex.com>
2976 * doc/install.texi: Add binutils version recommendation for mips-*-*.
2978 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
2980 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
2982 2006-06-09 Richard Guenther <rguenther@suse.de>
2984 PR tree-optimization/26998
2985 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
2986 of signed types, only TYPE_MIN_VALUE is special, but for both,
2987 minimum and maximum value. Likewise VR_ANTI_RANGE is special
2988 in this case, as is -fwrapv.
2990 2006-06-08 Mike Stump <mrs@apple.com>
2993 * config/darwin.c (darwin_asm_output_anchor): Disable
2994 -fsection-anchors on darwin for now.
2995 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
2996 * rs6000/rs6000.c (optimization_options): Likewise.
2998 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3001 * config/i386/i386.c (classify_argument): Skip fields with invalid
3004 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3006 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3007 (cse_insn): Likewise for the stack_pointer_rtx.
3009 2006-06-08 Roger Sayle <roger@eyesopen.com>
3011 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3012 conditions from floating point comparisons.
3014 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3017 * expmed.c (struct alg_hash_entry): Fix type of field T
3018 to match synth_mult argument.
3019 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3021 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3024 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3027 2006-06-08 Richard Guenther <rguenther@suse.de>
3030 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3031 only, if overflow is defined and not trapping.
3032 (negate_expr): Likewise.
3034 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3036 PR tree-optimization/27872
3037 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3038 flag on the new exit edge of the unrolled loop.
3040 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3042 PR rtl-optimization/26449
3043 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3045 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3048 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3049 referenced_variables with matching DECL_UID's.
3050 (find_referenced_vars): Make sure duplicate list is empty to start.
3051 (referenced_var_p): Remove.
3052 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3053 Check if var is in the list, and add if needed. Update the duplicate
3054 list if a different var is in the list with the same DECL_UID.
3055 (add_referenced_var): Call routine to check and insert.
3056 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3057 * tree-flow.h (referenced_vars_dup_list): External declaration.
3059 2006-06-07 Fred Fish <fnf@specifix.com>
3061 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3064 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3067 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3068 the imaginary and real parts of a clobbered register.
3069 Emit insn to set the imaginary part.
3071 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3073 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3074 in lieu of unwind-dw2-fde.c.
3076 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3078 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3080 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3083 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3084 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3085 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3086 V4SImode temporaries and operations instead.
3088 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3090 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3093 2006-06-06 Mike Stump <mrs@apple.com>
3095 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3096 installing during build.
3098 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3100 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3102 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3103 * config/ia64/ia64.c (params.h): New header.
3104 (ia64_optimization_options): New function to adjust parameters.
3105 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3106 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3107 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3109 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3111 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3113 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3116 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3118 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3119 Victor Kaplansky <victork@il.ibm.com>
3121 PR tree-optimization/26360
3122 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3125 2006-06-04 Roger Sayle <roger@eyesopen.com>
3126 Andrew Pinski <pinskia@physics.uc.edu>
3129 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3130 for LABEL_DECL before calling DECL_WEAK.
3133 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3134 LABEL_DECL and PARM_DECL.
3136 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3140 * c-decl.c (grokdeclarator): Disallow variably modified types at
3141 file scope. Avoid marking shared array type of constant size as
3144 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3147 * c-common.c (fold_offsetof_1): Handle static members.
3149 2006-06-04 Eric Christopher <echristo@apple.com>
3151 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3152 (debug_rli): Output value for remaining_in_alignment.
3153 (update_alignment_for_field): Unconditionalize
3154 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3155 extra alignment code.
3156 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3157 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3158 * tree.h (record_layout_info_s): Remove prev_packed.
3159 * doc/extend.texi (ms_struct): Add documentation of format.
3161 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3163 * tree.h: Declare folding_initializer.
3164 * builtins.c (fold_builtin_constant_p): Give definite answer
3165 if folding inside an initializer.
3166 * fold-const.c: Define folding_initializer.
3167 (START_FOLD_INIT): Save and then set folding_initializer.
3168 (END_FOLD_INIT): Restore folding_initializer.
3170 2006-06-04 Richard Guenther <rguenther@suse.de>
3172 PR tree-optimization/27039
3173 * fold-const.c (fold_comparison): Handle pointer comparison
3174 again for all comparison codes. Compare offsets in signed
3176 (fold_binary): Move code from here.
3178 2006-06-03 Roger Sayle <roger@eyesopen.com>
3181 * config/i386/i386.c (construct_container): Split static issued_error
3182 flag into issued_sse_arg_error, issued_sse_ret_error and
3183 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3184 requires the use of x87 registers and the user explicitly
3185 specified the -mno-80387 command line option.
3187 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3189 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3190 HAVE_DECL_SIGALTSTACK.
3192 (segv_handler): Use MC_FLD.
3193 * configure.ac: Check for a sigaltstack declaration.
3194 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3195 * configure: Regenerate.
3196 * config.in: Regenerate.
3198 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3201 * Makefile.in (stmp-fixinc): Fix typo.
3203 2006-06-02 Roger Sayle <roger@eyesopen.com>
3205 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3206 are type correct. Clean-up.
3207 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3208 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3210 2006-06-01 DJ Delorie <dj@redhat.com>
3212 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3213 shift, as we've disabled the "switch" insn that needs it.
3215 2006-06-01 Per Bothner <bothner@bothner.com>
3217 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3218 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3219 * c-ppoutput.c (cb_define): Don't increment line 0.
3221 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3223 * doc/invoke.texi: Add cpu_type power6.
3224 * config.gcc: Add cpu_type power6.
3225 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3226 to power5+ with Altivec.
3227 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3228 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3230 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3232 * config/avr/avr.h (SET_ASM_OP): Define.
3234 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3236 * config/bfin/bfin.c: Fix comment typos.
3238 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3241 * doc/install.texi: Document --enable-bootstrap and
3242 --disable-bootstrap.
3244 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3246 * doc/install.texi: Document that InfoZIP can replace jar.
3248 2006-05-31 Roger Sayle <roger@eyesopen.com>
3250 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3251 isn't available, directly generate the simpler x87 patterns without
3252 the (use (const_int 0)).
3253 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3254 implementation isn't available.
3255 (*negdf2_1): Likewise.
3256 (*negxf2_1): XF mode negation is always done using the x87.
3257 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3259 2006-05-31 Roger Sayle <roger@eyesopen.com>
3261 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3262 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3264 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3266 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3268 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3269 * config/bfin/bfin.c (basic-block.h): Include.
3270 (struct machine_function): New.
3271 (bfin_init_machine_status): New.
3272 (override_options): Initialize init_machine_status.
3273 (bfin_hardware_loop): New.
3274 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3275 (DEF_VEC_P (loop_info)): New.
3276 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3277 (struct loop_info): New.
3278 (loop_info): New typedef.
3279 (struct loop_work): New.
3280 (loop_work): New typedef.
3281 (DEF_VEC_O (loop_work)): New.
3282 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3283 (bfin_dump_loops): New.
3284 (bfin_bb_in_loop): New.
3285 (bfin_scan_loop): New.
3286 (bfin_optimize_loop): New.
3287 (bfin_reorg_loops): New.
3288 (bfin_reorg): Use bfin_reorg_loops.
3289 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3291 (I_REGNO_P): Simplify.
3292 (DP_REGNO_P, DPREG_P): New macros.
3293 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3294 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3295 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3296 Add LT_REGS, LC_REGS, LB_REGS.
3297 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3299 (REGNO_REG_CLASS): Deal with loop registers.
3300 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3302 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3303 New constants for loop registers.
3304 (UNSPEC_LSETUP_END): New.
3305 (seq_insns): New define_attr. Set it for appropriate insns.
3306 (movsi_insn): Add alternatives for move from/to
3307 loop count registers.
3308 (doloop_end): New define_expand.
3309 (loop_end): New define_insn.
3310 (define_split for bad doloop_end): New.
3311 (lsetup_with_autoinit): New define_insn.
3312 (lsetup_without_autoinit): New define_insn.
3313 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3314 * config/bfin/predicates.md (lc_register_operand): New.
3315 (lt_register_operand): New.
3316 (lb_register_operand): New.
3317 (nondp_register_operand): New.
3318 (nondp_reg_or_memory_operand): New.
3319 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3321 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3323 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3324 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3326 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3328 * Makefile.in (CATALOGS): Add po/ prefix.
3329 * configure: Regenerated.
3331 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3334 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3335 a shift operand before calling shift_op. Avoid redundant call of
3338 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3339 DJ Delorie <dj@redhat.com>
3341 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3342 we're inserting is a singlt-bit constant.
3344 2006-05-30 Roger Sayle <roger@eyesopen.com>
3346 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3347 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3349 2006-05-30 Roger Sayle <roger@eyesopen.com>
3351 PR tree-optimization/23452
3352 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3353 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3354 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3355 complex values and with -ffast-math for FP complex values.
3357 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3359 * c-common.h: Remove the prototype for yyparse.
3360 * rtl.h: Remove the prototype for init_loop.
3362 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3364 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3367 2006-05-30 Roger Sayle <roger@eyesopen.com>
3369 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3371 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3372 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3374 2006-05-30 Dirk Mueller <dmueller@suse.de>
3377 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3378 for CONSTANT_CLASS_P expresisons.
3380 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3383 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3385 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3387 PR tree-optimization/27779
3388 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3389 initial_condition instead of CHREC_LEFT.
3391 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3393 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3394 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3395 Make prototypes ISO C90.
3397 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3398 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3400 * see.c (see_analyze_one_def): Correct check.
3401 (see_get_extension_data): Check if extension is parallel.
3402 (see_get_extension_reg): Likewise.
3404 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3407 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3408 into register for (code == GTU).
3410 2006-05-29 Roger Sayle <roger@eyesopen.com>
3412 PR tree-optimization/24964
3413 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3414 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3415 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3416 abs(x)*abs(x) as x*x for scalar floating point modes.
3418 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3421 * lambda-code.c (perfect_nestify): Don't copy statements
3422 in the inner loop: move them to the inner loop header.
3424 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3427 * c-tree.texi: Document OpenMP directives and clauses.
3429 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3431 * varasm.c (globalize_decl): Fix indentation.
3433 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3436 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3437 pass_fre, pass_store_ccp, pass_copy_prop,
3438 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3439 pass_return_slot, pass_object_size, pass_lim,
3440 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3441 pass_loop_prefetch and pass_stdarg.
3443 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3445 * config/bfin/bfin.opt (mfdpic): New option.
3446 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3447 (EXTRA_MULTILIB_PARTS): Likewise.
3448 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3449 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3451 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3452 (CRT_CALL_STATIC_FUNCTION): New.
3453 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3455 (CRT_CALL_STATIC_FUNCTION): New.
3456 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3458 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3459 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3460 (initialize_trampoline): Changed to handle FD-PIC code generation.
3461 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3462 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3463 (override_options): Disallow -mid-shared-library -mfdpic combination.
3464 Can't do unaligned ops if FD-PIC.
3465 Turn off flag_pic if trying to generate non-id-shared-library
3466 non-fdpic code, since it's not supported.
3467 (bfin_assemble_integer): New function.
3468 (TARGET_ASM_INTEGER): Define.
3469 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3471 * config/bfin/crtn.s: Restore them.
3472 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3474 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3475 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3476 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3477 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3478 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3480 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3481 FDPIC_REGS and FDPIC_FPTR_REGS.
3482 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3483 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3484 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3485 (load_funcdescsi): New pattern.
3486 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3487 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3488 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3490 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3492 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3495 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3497 * tree-flow.h: Remove the prototype for add_type_alias.
3498 * tree-ssa-alias.c (add_type_alias): Remove.
3500 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3502 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3503 config/fr30/fr30.md, config/i386/i386-interix.h,
3504 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3505 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3506 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3507 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3508 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3509 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3510 Follow spelling conventions.
3511 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3512 Follow spelling conventions.
3514 2006-05-27 Richard Guenther <rguenther@suse.de>
3517 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3518 to produce a constant of value 1 of generic type.
3520 2006-05-27 Dirk Mueller <dmueller@suse.de>
3522 * cgraphunit.c (decide_is_function_needed): Fix wrong
3525 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3527 PR rtl-optimization/27661
3528 * reload.c (find_reloads): When reloading a VOIDmode constant
3529 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3530 use Pmode as mode of the reload register.
3532 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3534 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3535 is enabled at -O and above.
3537 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3540 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3543 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3546 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3547 for anonymous variables explicitly declared by front ends.
3549 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3551 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3552 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3553 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3554 ref-all pointers, run a finalization pass for them.
3555 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3556 (finalize_ref_all_pointers): New function.
3557 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3558 regular pointer type to a ref-all pointer type.
3559 (get_tmt_for): Return the special memory tag for ref-all pointers.
3561 2006-05-25 Richard Guenther <rguenther@suse.de>
3564 * fold-const.c (fold_binary): Do not look at the stripped
3565 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3567 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3569 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3570 for LT and GT if the computed range is effectively empty.
3572 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3575 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3576 mips_quad_format formats instead of ieee_single_format,
3577 ieee_double_format and ieee_quad_format formats, respectively.
3579 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3581 PR tree-optimization/27639
3582 PR tree-optimization/26719
3583 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3584 call to scev_probably_wraps_p.
3585 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3586 used_in_pointer_arithmetic_p, convert_step): Removed.
3587 (nowrap_type_p): New function.
3588 (scev_probably_wraps_p): Rewritten.
3589 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3590 chrec_convert if chrec_convert_aggressive might have been used.
3591 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3592 scev_direction): New functions.
3593 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3594 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3595 instead of convert_step.
3596 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3597 (convert_step): Declaration removed.
3598 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3600 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3602 * df-core.c: Added to header comments.
3603 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3604 df_ur_bb_info, df_urec_bb_info): Added comments.
3605 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3606 urec, ri problems): Fixed header comments.
3607 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3608 code from df_rd_transfer_function.
3610 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3612 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3613 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3614 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3616 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3618 * expr.c (undefined_operand_subword_p): New.
3619 (emit_move_multi_word): Do not generate move from undefined bits
3620 of a paradoxical subreg.
3622 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3624 PR rtl-optimization/27736
3625 * combine.c (replaced_rhs_value): New variable.
3626 (combine_instructions): Set it.
3627 (distribute_notes): When distributing a note in replaced_rhs_insn,
3628 check whether the value was used in replaced_rhs_value.
3630 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3633 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3634 add_referenced_var instead of add_referenced_tmp_var.
3635 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3636 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3638 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3639 tree_optimize_tail_calls_1): Use add_referenced_var.
3640 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3641 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
3642 Use add_referenced_var.
3643 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
3644 * gimplify.c (force_gimple_operand): Use add_referenced_var.
3645 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
3646 Use add_referenced_var.
3647 * tree-dfa.c (struct walk_state): Remove.
3648 (find_referenced_vars): Remove walk state and vars_found hash table.
3649 (make_rename_temp): Use add_referenced_var.
3650 (find_vars_r): Pass less parameters to add_referenced_var.
3651 (referenced_var_p): New. Is var in referenced_var hash table.
3652 (referenced_var_insert): Assert var isn't already in hash table.
3653 (add_referenced_var): Don't need walk_state parameter. Add var if it
3654 isn't already in the hash table.
3655 (add_referenced_tmp_var): Remove.
3656 (find_new_referenced_vars_1): Use add_referenced_var.
3657 * tree-ssa-pre.c (create_expression_by_pieces,
3658 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
3659 Use add_referenced_var.
3660 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
3661 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
3662 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
3664 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
3665 vect_create_data_ref_ptr, vect_create_destination_var,
3666 vect_init_vector, vect_build_loop_niters,
3667 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
3668 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
3669 Use add_referenced_var.
3670 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
3671 * tree-flow.h (add_referenced_tmp_var): Remove prototype
3672 (add_referenced_var): Add prototype.
3673 * tree-ssa-structalias.c (get_constraint_for,
3674 intra_create_variable_infos): Use add_referenced_var.
3676 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
3678 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
3679 big-endian paradoxical subregs.
3680 * var-tracking.c (struct micro_operation_def): Document that,
3681 for modify micro operations, insn is the subsequent instruction.
3682 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
3683 (var_reg_set, var_mem_set): ... new functions.
3684 (add_stores): Record subsequent insn.
3685 (compute_bb_dataflow): Use new functions for MO_USE.
3686 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
3687 notes after the insn, and modify notes before the insn known
3688 to be the subsequent one.
3689 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
3691 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
3694 * config/i386/i386.c (ix86_expand_builtin): Use
3695 gen_sse3_monitor64 for TARGET_64BIT.
3697 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
3699 PR rtl-optimization/26375
3700 PR rtl-optimization/26855
3701 * df-problems (df_ru_bb_local_compute_process_def): Removed update
3703 (df_ru_bb_local_compute): Reversed statements and removed bogus
3704 comment explaining why they should be in wrong order.
3705 (df_ru_dump, df_rd_dump): Enhanced debug info.
3706 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
3708 * ddg.c (add_deps_for_def): Converted use of reaching defs to
3709 reaching uses and fixed space problem.
3711 2006-05-23 Jan Hubicka <jh@suse.cz>
3713 * cgraphunit.c (decide_is_function_needed): Also nested functions
3714 and functions declared inline can be optimized out at -O0.
3716 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
3718 * doc/install.texi (Configuration): Remove reference to CrossGCC
3722 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3725 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
3726 ix86_compare_emitted is non-NULL.
3728 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3731 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
3734 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3736 PR rtl-optimization/25514
3737 * combine.c (replaced_rhs_insn): New variable.
3738 (combine_instructions): Set replaced_rhs_insn when trying to replace
3739 a SET_SRC with a REG_EQUAL note.
3740 (distribute_notes): Use replaced_rhs_insn when determining the live
3741 range of a REG_DEAD register.
3743 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
3744 Anatoly Sokolov <aesok@post.ru>
3746 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
3747 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
3748 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
3749 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
3750 atmega3290, atmega649, atmega6490, atmega406, atmega640,
3751 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
3752 at90usb647, at90usb1286 and at90usb1287 devices.
3753 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3754 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3756 2006-05-22 Richard Sandiford <richard@codesourcery.com>
3758 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
3760 2006-05-22 Richard Guenther <rguenther@suse.de>
3763 2006-01-31 Richard Guenther <rguenther@suse.de>
3764 Paolo Bonzini <bonzini@gnu.org>
3766 * doc/install.texi (--disable-libgcc-math): Document.
3768 2006-05-22 Richard Guenther <rguenther@suse.de>
3771 2006-01-31 Richard Guenther <rguenther@suse.de>
3773 * doc/invoke.texi (-msselibm): Document.
3774 * target.h (expand_library_builtin): New target hook.
3775 * builtins.c (expand_builtin): Use expand_library_builtin.
3776 (default_expand_library_builtin): New function.
3777 * gcc.c (LINK_GCC_MATH_SPEC): Define.
3778 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
3779 (link_gcc_math_spec): Declare.
3780 (static_specs): Add link_gcc_math_spec.
3781 * expr.h (default_expand_library_builtin): Declare.
3782 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3783 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
3784 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
3785 * config/i386/i386.opt (msselibm): New target option.
3786 * config/i386/i386.c (ix86_builtin_function_variants): New array.
3787 (ix86_init_sse_abi_builtins): New function.
3788 (ix86_expand_library_builtin): Likewise.
3789 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
3790 (override_options): Handle error conditions wrt -msselibm.
3791 (ix86_builtins): Add function codes for SSE2 ABI builtins.
3792 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
3793 * doc/extend.texi (__builtin_sse2_*): Document new target specific
3796 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3799 * c-common.c (self_promoting_args_p): Skip erroneous args.
3802 * c-decl.c (finish_struct): Skip erroneous fields.
3804 2006-05-22 Nick Clifton <nickc@redhat.com>
3806 * config/cris/cris.opt (march): Remove VarExists attribute.
3807 (max-stackframe=): Likewise.
3809 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
3811 * doc/rtl.texi: Fix a typo.
3812 * see.c: Fix comment typos.
3814 * tree-ssa-structalias.h (alias_info): Remove num_references.
3816 2006-05-21 Mike Stump <mrs@apple.com>
3818 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
3820 (darwin_pragma_options): Use BAD instead.
3821 (darwin_pragma_unused): Likewise.
3822 (darwin_pragma_ms_struct): Likewise.
3824 2006-05-21 David Edelsohn <edelsohn@gnu.org>
3826 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
3828 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
3830 PR rtl-optimization/27671
3831 * simplify-rtx.c (simplify_relational_operation_1): Fix
3832 simplifications of (eq/ne (xor x y) y) and
3833 (eq/ne (xor x y) x).
3835 PR tree-optimization/26622.
3836 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
3839 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3841 * tree-cfg.c: Prune whitespace.
3842 (debug_tree_cfg): Point to correct header containing the
3845 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
3848 * cgraphunit.c (verify_cgraph_node): Typo in error message.
3850 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
3853 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
3854 or sorry count is non zero.
3856 2006-05-20 Andreas Schwab <schwab@suse.de>
3858 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
3860 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
3861 Kenneth Zadeck <zadeck@naturalbridge.com>
3863 PR rtl-optimization/26855
3865 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
3867 (df_scan_alloc): Added code to properly handle multiword hard
3868 registers and add all_blocks parameter.
3869 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
3870 code to properly handle multiword hard registers.
3871 (df_rescan_blocks): Added code to remove deleted blocks from
3873 (df_ref_create_structure, df_ref_record): Added code to properly
3875 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
3876 and set DF_REF_PARTIAL.
3877 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
3878 (df_uses_record): Added DF_REF_PARTIAL for subreg.
3879 (df_scan_add_problem): Added flags parameter.
3880 (df_ref_create_structure): Changed switching structure.
3881 (df_bb_refs_record): Fixed case where duplicate artificial refs
3882 were created. Changed location of flags.
3883 (df_record_entry_block_defs): Added code to make stack pointer
3884 live in entry block. Refined cases where frame pointer is needed.
3885 Changed location of flags.
3886 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
3887 (df_set_state): Removed function.
3888 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
3889 df_insn_create_insn_record, df_insn_refs_delete,
3890 df_ref_create_structure): Formatting changes.
3891 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
3892 df_delete_basic_block): New function.
3893 (df_init): Changed location of flags.
3894 (df_add_problem): Added flags parameter and the way flags are
3896 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
3897 debug_df_chain): Improved debugging output.
3898 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
3899 (df_refs_chain_dump): Removed df parameter.
3900 (df_iterative_dataflow): Added consistency check.
3901 (df_prune_to_subcfg): Made public.
3902 (df_analyze_problem): Added blocks_to_init parameter and made
3904 (df_ref_record, df_bb_refs_record, df_mark_reg,
3905 df_record_exit_block_uses): Whitespace changes.
3906 (df_dump): Whitespace changes.
3907 * df.h: Some reordering to remove forward references.
3908 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
3909 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
3910 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
3911 (dataflow.flags): New field.
3912 (df.flag): Deleted field.
3913 (df_alloc_function): Added additional bitmap parameter.
3914 (df_dependent_problem_function): New type.
3915 (df_problem.changeable_flags): New field.
3916 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
3917 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
3918 (df_mw_hardreg): New struct.
3919 (DF_INSN_UID_MWS): New macro.
3920 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
3922 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
3923 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
3924 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
3925 (df_set_state): Removed function.
3926 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
3927 * df-problems.c (df_chain_dump): Removed df parameter.
3928 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
3929 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
3931 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
3932 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
3933 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
3934 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
3935 DF_REF_MUST_CLOBBER cases.
3936 (df_ru_bb_local_compute_process_def,
3937 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
3938 df_lr_bb_local_compute, df_ur_bb_local_compute,
3939 df_chain_create_bb): Made subreg aware.
3940 (df_ru_bb_local_compute, df_rd_bb_local_compute,
3941 df_lr_bb_local_compute, df_lr_bb_local_compute,
3942 df_chain_create_bb): Cleanup to use proper macros.
3943 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
3944 code to fixup bitvectors.
3945 (df_ri_alloc): Cleared lifetime.
3946 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
3947 df_create_unused_note): New function.
3948 (df_ri_bb_compute, df_ri_compute): Added code to create/update
3949 REG_DEAD and REG_UNUSED notes as well as register information.
3950 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
3951 df_chains_dump): Fixed crash if problem was never run.
3952 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
3953 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
3954 df_ri_add_problem): Processes flags in uniform manner.
3955 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
3956 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
3957 df_rd_dump, df_urec_free_bb_info): Formatting changes.
3958 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
3959 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
3960 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
3961 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
3962 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
3963 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
3964 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
3965 * see.c (see_initialize_data): Ditto.
3966 * final.c (rest_of_clean_state) Added regstack_completed.
3967 * rtl.h (regstack_completed): Ditto.
3968 * reg-stack.c (regstack_completed): Ditto.
3970 2006-05-19 Mike Stump <mrs@apple.com>
3972 * c-tree.h (default_conversion): Remove.
3973 * c-common.h (default_conversion): Add.
3975 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
3977 * tree-vrp.c (valid_value_p): New function.
3978 (adjust_range_with_scev): Fail if the value of bound is not
3981 2006-05-19 Richard Sandiford <richard@codesourcery.com>
3983 * config/mips/linux-unwind.h: Include <asm/unistd.h>
3984 (mips_fallback_frame_state): Use syscall numbers to determine
3985 the appropriate li instruction for the current ABI. Only use
3986 __NR_sigreturn for o32.
3988 2006-05-19 Nicolas Setton <setton@adacore.com>
3990 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
3991 * langhooks.c (lhd_dwarf_name): New function.
3992 * langhooks-def.h (lhd_dwarf_name): Declare.
3993 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
3994 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
3995 * ada/misc.c (gnat_dwarf_name): New function.
3996 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
3998 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4000 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4002 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4003 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4004 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4005 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4006 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4007 determine the size of Wtype, etc.
4008 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4009 (swfloatfuncs): New variable.
4010 (dwfloatfuncs): Likewise.
4011 (lib2funcs): Remove floating-point conversion functions from
4012 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4013 the set of conversion routines needed. Allow entries to specify
4014 an object name, filename and word size. Update users accordingly.
4015 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4016 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4020 2006-02-08 Roger Sayle <roger@eyesopen.com>
4023 * config/fixtfdi.c: New libgcc source file.
4024 * config/fixunstfdi.c: New source file.
4025 * config/floatditf.c: New source file.
4026 * config/floatunditf.c: New souce file.
4027 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4028 files above instead of config/mips/_tilib.c.
4029 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4031 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4033 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4034 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4036 2006-05-18 Mike Stump <mrs@apple.com>
4038 Fix up vla, vm and [*] sematics.
4044 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4045 (c_vla_unspec_p): Add.
4046 (c_vla_type_p): Add.
4047 * c-decl.c (struct c_scope): Add had_vla_unspec.
4048 (build_array_declarator): Add support for [*].
4049 (grokdeclarator): Likewise.
4050 (grokparms): Likewise.
4051 (get_parm_info): Likewise.
4052 * c-objc-common.c (c_vla_unspec_p): Likewise.
4053 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4054 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4055 typeof when argument is a variably modified type not inside sizeof or alignof.
4056 (c_parser_direct_declarator_inner): Propagate errors.
4057 (c_parser_sizeof_expression): Add support for [*].
4058 (c_parser_parms_declarator): Initialize had_vla_unspec.
4059 (c_parser_parms_list_declarator): Likewise.
4060 * c-typeck.c (c_vla_type_p): Add.
4061 (composite_type): Add support for vla compositing.
4062 (comptypes_internal): Add support for vla compatibility.
4063 (c_expr_sizeof_expr): Evaluate vla arguments.
4064 * tree.c (variably_modified_type_p): Update comment for [*].
4066 2006-05-18 Michael Matz <matz@suse.de>
4069 * config.host: Make assignments to host_xmake_file cumulative.
4070 * config.host (*-darwin*): Test $host, not $target.
4072 2006-05-12 Stuart Hastings <stuart@apple.com>
4074 * config/i386/i386.opt (-mstackrealign): New flag.
4075 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4076 (ix86_handle_cconv_attribute): Emit error when
4077 force_align_arg_pointer attribute collides with too many regparms.
4078 (ix86_function_regparm): Limit regparms when used with
4079 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4080 Support stack-realigning prologue in non-main functions. Emit
4081 warning for nested functions under -mstackrealign, emit error for
4082 nested functions with force_align_arg_pointer attribute.
4083 * doc/extend.texi (force_align_arg_pointer): Document it.
4084 * doc/invoke.texi (-mstackrealign): Document it.
4086 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4088 PR rtl-optimization/27477
4089 * combine.c (try_combine): Don't split a parallel consisting
4090 of two sets into two individual sets if both sets reference
4093 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4095 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4096 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4098 * doc/options.texi (VarExists): Updated.
4100 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4102 * unwind-dw2.c: Add declarations for uw_update_context and
4104 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4105 detected, advance frame state and context once to skip over stub.
4107 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4111 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4112 Call rewrite_into_loop_closed_ssa only when something changed.
4113 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4114 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4115 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4116 Test for perfect_nest_p here. Fix formating.
4117 (replace_uses_equiv_to_x_with_y): Fix formating.
4118 (stmt_uses_op): Removed.
4119 (can_convert_to_perfect_nest): Removed loopivs parameter.
4120 Complete the test by checking the scalar dependences.
4121 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4124 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4127 From Dan Kegel <dank@kegel.com>:
4128 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4130 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4132 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4133 if the element type is variably modified without recursing.
4135 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4138 * tree-loop-linear.c (try_interchange_loops): Test for
4139 no data dependences.
4141 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4143 PR tree-optimization/27548
4144 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4145 range of ssa names that appear on abnormal edges.
4146 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4147 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4149 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4152 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4154 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4157 * tree.h (OMP_PARALLEL_COMBINED): Define.
4158 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4159 (new_omp_context): Add is_combined_parallel argument.
4160 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4161 new_omp_context caller.
4162 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4163 Adjust gimplify_scan_omp_clauses callers.
4164 (omp_is_private): Issue errors if iteration variable is firstprivate
4165 or reduction in the current context.
4166 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4167 on combined parallel workshare constructs.
4169 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4171 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4172 (gcc-options.o): New rule.
4174 * optc-gen.awk: Protect variables for gcc-options.o with
4175 #ifdef GCC_DRIVER/#endif.
4177 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4179 Fix PR tree-optimization/27373
4180 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4181 (forward_propagate_addr_expr): Update call.
4183 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4185 * doc/options.texi: Move the Negative option.
4187 2006-05-16 Richard Guenther <rguenther@suse.de>
4189 PR tree-optimization/22303
4190 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4192 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4193 ccp_fold did not simplify the statement.
4195 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4198 * Makefile.in (GCC_OBJS): New.
4199 (OBJS-common): Add opts-common.o.
4200 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4201 (cpp$(exeext)): Likewise.
4202 (gcc.o): Also depend on opts.h.
4203 (opts-common.o): New.
4205 * common.opt (gcoff): Add Negative(gdwarf-2).
4206 (gdwarf-2): Add Negative(gstabs).
4207 (gstabs): Add Negative(gstabs+).
4208 (gstabs+): Add Negative(gvms).
4209 (gvms): Add Negative(gxcoff).
4210 (gxcoff): Add Negative(gxcoff+).
4211 (gxcoff+): Add Negative(gcoff).
4212 * config/i386/i386.opt (m32): Add Negative(m64).
4213 (m64): Add Negative(m32).
4215 * doc/options.texi: Document the Negative option.
4217 * gcc.c: Include "opts.h".
4218 (main): Call prune_options after expandargv.
4220 * optc-gen.awk: Generate common declarations for all flag
4221 variables in options.c. Output the neg_index field.
4223 * opts.c (find_opt): Moved to ...
4224 * opts-common.c: Here. New file.
4226 * opts.h (cl_option): Add a neg_index field.
4228 (prune_options): Likewise.
4230 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4233 * omp-low.c (expand_omp_parallel): Don't assert
4234 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4235 instead search for it.
4238 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4241 2006-05-16 Andreas Schwab <schwab@suse.de>
4243 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4246 2006-05-15 Roger Sayle <roger@eyesopen.com>
4249 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4250 integer constants other than zero are only legitimate on TARGET_64BIT.
4251 <CONST_VECTOR> Only zero vectors are legitimate.
4252 (ix86_cannot_force_const_mem): Integral and vector constants can
4253 always be put in the constant pool.
4255 2006-05-16 DJ Delorie <dj@redhat.com>
4257 * crtstuff.c (__dso_handle): Set section from
4258 TARGET_LBIGCC_SDATA_SECTION if defined.
4259 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4260 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4262 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4265 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4268 2006-05-16 Ben Elliston <bje@au.ibm.com>
4270 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4272 2006-05-15 Per Bothner <per@bothner.com>
4274 * tree.c: (last_annotated_node): Use source_locus typedef.
4275 This permits bootstrapping with --enable-mapped-location.
4277 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4279 PR tree-optimization/26830
4280 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4281 (info_for_ssa_name, current_info_for_ssa_name_age,
4282 blocks_to_update): New variables.
4283 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4284 (clear_ssa_name_info, initialize_flags_in_bb,
4285 mark_block_for_update): New functions.
4286 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4287 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4288 prepare_def_site_for): Use mark_block_for_update.
4289 (mark_def_interesting): Assert that the processed block is marked in
4290 blocks_to_update. Do not take blocks argument.
4291 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4293 (rewrite_update_init_block, rewrite_update_stmt): Only process
4294 blocks with statements to rewrite.
4295 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4296 (update_ssa): Initialize and free blocks_to_update. Do not
4297 clear flags on statements. Do not use blocks bitmap.
4298 * tree.h (SSA_NAME_AUX): Removed.
4299 (struct tree_ssa_name): Removed aux field.
4300 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4302 2006-05-15 Richard Guenther <rguenther@suse.de>
4304 PR tree-optimization/27603
4305 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4306 Do computations in original type.
4308 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4310 * see.c: Code style changes such as redundant paranthesis,
4311 redundant intialization of local variables etc.
4312 (see_main): Declared now as static.
4313 * doc/invoke.texi: Update that -fsee is not enabled by
4316 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4318 * omp-low.c (check_omp_nesting_restrictions): New function.
4319 (scan_omp_1): Call it.
4322 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4323 construct, return *VAR.
4325 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4327 PR rtl-optimization/27406
4328 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4331 2006-05-14 Roger Sayle <roger@eyesopen.com>
4333 PR rtl-optimization/27538
4334 * combine.c (expand_compound_operation): Call gen_lowpart
4335 before calling simplify_shift_const.
4337 2006-05-14 Roger Sayle <roger@eyesopen.com>
4339 PR rtl-optimization/22563
4340 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4341 a fixed width bitfield, always force the intermediates into psuedos.
4343 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4346 * mkconfig.sh: Use operator = instead of == for test.
4348 2006-05-13 Nick Clifton <nickc@redhat.com>
4350 * dwarf2out.c (dbx_reg_number): Check return value from
4351 LEAF_REG_REMAP and only use it if it is valid.
4352 (multiple_reg_loc_descriptor): Likewise.
4354 2006-05-13 Richard Guenther <rguenther@suse.de>
4356 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4359 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4361 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4362 information attached to non-INSNs such as NOTEs.
4363 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4365 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4367 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4369 * config/s390/s390.md: Adjust comment describing On constraint.
4371 2006-05-11 Jan Hubicka <jh@suse.cz>
4373 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4374 to be output at -O0.
4376 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4379 * fold-const.c (size_binop): Move sanity check for arguments to
4380 the beginning of the function.
4383 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4386 2006-05-11 Richard Guenther <rguenther@suse.de>
4389 * fold-const.c (fold_unary): Handle intermediate conversion
4390 to a pointer type like intermediate conversion to an integer
4391 type in folding of (T1)(T2)var to var.
4392 Match the code to the comment in the final conversion for
4393 (T1)(T2)var to (T1)var regarding to type precision. Rather
4394 than disallow T1 being of pointer type, assert that both T1
4395 and var are of pointer type or not. Make sure not to fall
4396 over the frontends lazyness wrt array to pointer decay though.
4398 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4400 * arm.c (arm_struct_value_rtx): Delete.
4401 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4402 (arm_init_cumulative_args): Always initialize nregs to zero.
4404 2006-05-10 Richard Guenther <rguenther@suse.de>
4406 PR tree-optimization/27532
4407 * tree-object-size.c (plus_expr_object_size): Fix typo.
4409 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4412 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4413 ashrdi_const, ashrdi3): Use a scratch register.
4415 2006-05-10 Richard Guenther <rguenther@suse.de>
4417 PR tree-optimization/27302
4418 * fold-const.c (operand_equal_p): For two comparisons,
4419 try comparison of one comparison code swapped if that yields
4422 2006-05-10 Ben Elliston <bje@au.ibm.com>
4424 * tree-pretty-print.c (pretty_print_string): No need to handle
4425 '\0' as a special character.
4427 * tree.h: Include "hashtab.h".
4428 (iterative_hash_expr): Use hashval_t in its prototype.
4429 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4431 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4434 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4435 (hppa*64*-*-hpux11*): Ditto.
4436 (hppa[12]*-*-hpux11*): Ditto.
4438 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4441 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4443 2006-05-09 Michael Matz <matz@suse.de>
4445 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4446 host_extra_gcc_objs and host_xmake_file.
4447 (<*-*-linux*>): Don't overwrite host_xmake_file.
4448 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4449 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4450 (host_detect_local_cpu): Declare.
4451 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4452 * config/i386/i386.c (override_options): Handle -mtune=native
4454 * config/i386/x-i386: New file.
4455 * config/i386/driver-i386.c: New file.
4456 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4459 2006-05-09 Dirk Mueller <dmueller@suse.de>
4460 Richard Guenther <rguenther@suse.de>
4463 * fold-const.c (fold_read_from_constant_string): Relax check
4464 for matching types to matching modes.
4466 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4468 PR rtl-optimization/27335
4469 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4472 2006-05-08 Chao-ying Fu <fu@mips.com>
4473 Richard Sandiford <richard@codesourcery.com>
4475 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4476 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4477 * config/mips/mips.md (UNSPEC_SCC): New constant.
4478 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4479 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4480 (mips_emit_compare): Use it.
4481 (mips_expand_vcondv2sf): New function.
4483 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4485 Fix PR tree-optimization/27093
4486 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4487 renaming when they become not-used_alone.
4489 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4491 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4492 relocation and relocation stubs.
4494 2006-05-08 Eric Christopher <echristo@apple.com>
4496 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4499 2006-05-08 Jan Hubicka <jh@suse.cz>
4502 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4503 unused static functions are needed.
4505 2006-05-08 Roger Sayle <roger@eyesopen.com>
4508 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4509 of a reg_equiv_constant if the result is a legitimate constant.
4511 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4514 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4515 standard 80387 constants, raise the cost to prevent
4516 compress_float_constant() to generate load from memory.
4518 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4520 * config/arm/constraints.md (c): Fix a typo.
4522 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4525 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4528 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4530 (_mm_mwait): Likewise.
4532 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4534 (sse3_monitor): Make it 32bit only.
4535 (sse3_monitor64): New. 64bit monitor.
4537 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4540 * config/i386/i386.c (classify_argument): Skip fields with invalid
4543 2006-05-07 Richard Guenther <rguenther@suse.de>
4545 PR tree-optimization/27409
4546 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4547 Do not try to find zero-sized subvars.
4549 2006-05-07 Richard Guenther <rguenther@suse.de>
4551 PR tree-optimization/27136
4552 * tree-ssa-loop-niter.c (get_val_for): Correct function
4553 comment, assert requirements.
4554 (loop_niter_by_eval): Stop processing if the iterated
4555 value did not simplify.
4557 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4559 * opts.c (flag_see): remove its setting at -O3.
4561 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4563 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4564 * arm/constraints.md: New file.
4565 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4566 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4567 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4568 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4569 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4570 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4571 * arm.md: Include constraints.md.
4572 (thumb_movsi_insn): Use satisfies_constraint_J.
4573 (movhi, movqi): Use satisfies_constraint_I.
4575 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4577 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4578 for atmeg a645 device.
4580 2006-05-06 Richard Guenther <rguenther@suse.de>
4582 PR tree-optimization/27151
4583 * tree-vect-transform.c (vectorizable_condition): Punt on
4584 values that have a different type than the condition.
4586 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4589 * c-parser.c (c_parser_cast_expression): Only insert casts into
4590 hash table if pointer.
4591 * function.c (used_types_insert_helper): Rename from
4593 (used_types_insert): Call used_types_insert_helper.
4594 * function.h (used_types_insert): Accept only one argument.
4596 2006-05-05 David Edelsohn <edesohn@gnu.org>
4598 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4599 scratch with output modifier.
4601 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4604 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4605 with output modifier.
4607 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4610 * config/mips/mips.c (mips_symbolic_address_p): Return true
4611 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4612 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4614 2006-05-04 Richard Guenther <rguenther@suse.de>
4616 PR tree-optimization/14287
4617 PR tree-optimization/14844
4618 PR tree-optimization/19792
4619 PR tree-optimization/21608
4620 PR tree-optimization/27090
4621 * tree-ssa-pre.c (try_combine_conversion): New function.
4622 (compute_avail): After constructing the value-handle
4623 expression, use try_combine_conversion to combine NOP_EXPRs
4624 with previous value-handle expressions and use the result if it
4627 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4629 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4631 2006-05-04 Jan Hubicka <jh@suse.cz>
4634 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4636 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4638 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4639 that this only matches CONST_INTs. All users changed to VOIDmode
4642 * config/bfin/bfin.c: Include "optabs.h".
4643 (bfin_rtx_costs): Some costs for vector operations, to allow combine
4645 (enum bfin_builtins): Add a number of fractional and vector builtins.
4646 (bfin_init_builtins): Likewise.
4647 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
4648 (safe_vector_operand, bfin_expand_binop_builtin,
4649 bfin_expand_unop_builtin): New functions.
4650 (bfin_expand_builtin): Handle the new builtins.
4651 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
4654 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
4657 * Makefile.in (OBJS-common): Add see.o.
4658 (see.o): Add dependencies.
4659 * common.opt (fsee): New flag for the see optimization was added.
4660 * opts.c (flag_see): Initialized.
4661 * passes.c (init_optimization_passes, pass_see): New pass.
4662 * rtl.h (see_main): Declaration as extern.
4663 * timevar.def (TV_SEE): New.
4664 * tree-pass.h (pass_see): Declaration as extern.
4665 * invoke.texi (-fsee): Document.
4666 * recog.c (validate_simplify_insn): New function.
4667 * recog.h (validate_simplify_insn): Declaration as extern.
4668 * df-problems.c (df_chain_dump): Check for NULL.
4670 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
4671 Daniel Berlin <dberlin@dberlin.org>
4673 * cfgrtl.c (insert_insn_bb_end_new): New function.
4674 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
4676 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4678 * df.h (struct web_entry): Moved from web.c.
4679 (union_defs): Declaration as extern.
4680 (unionfind_root): Likewise.
4681 (unionfind_union): Likewise.
4682 * web.c (struct web_entry): Moved to df.h.
4683 (unionfind_root): Remove static declaration.
4684 (unionfind_union): Likewise.
4685 (union_defs): Likewise and generalize to use callback function.
4686 (web_main): Update arguments for union_defs function call.
4688 2006-05-04 Richard Guenther <rguenther@suse.de>
4690 PR tree-optimization/26447
4691 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
4692 produce SSA_NAME copies before the store stmt to avoid
4693 breaking exception handling.
4695 2006-05-04 Jakub Jelinek <jakub@redhat.com>
4698 * gimplify.c (omp_is_private): If var is shared in some outer context,
4699 return false instead of true. Stop searching on parallel context
4702 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
4705 * coverage.c: Use get_gcov_unsigned_t() instead of
4706 unsigned_type_node all over.
4708 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
4710 PR tree-optimization/27381
4711 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
4712 maintain the same immediate_use links.
4713 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
4714 node rather than segfaulting.
4716 2006-05-03 Jakub Jelinek <jakub@redhat.com>
4719 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
4720 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
4721 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
4723 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
4725 Fix PR tree-optimization/26626
4726 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
4728 * tree-ssa-operands.c (access_can_touch_variable): Allow
4729 typecasting through union pointers.
4731 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4734 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
4735 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
4736 to find if var will be a global variable even in the nested context.
4737 (omp_copy_decl): Only check for global variable at the end, it might
4738 be overridden in outer contexts.
4739 (scan_sharing_clauses): For global variables don't create a field.
4740 (lower_rec_input_clauses): Do nothing for global shared variables.
4741 Emit a barrier at the end of ILIST if there were any decls in both
4742 firstprivate and lastprivate clauses.
4743 (lower_send_clauses): Do nothing for global variables except for
4746 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
4748 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
4749 of the correct signedness is returned.
4751 2006-05-02 Jeff Law <law@redhat.com>
4753 PR tree-optimization/27364
4754 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
4755 multiply expressions.
4757 2006-05-02 Tom Tromey <tromey@redhat.com>
4759 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
4761 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
4764 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
4765 -mthumb -fPIC are used.
4767 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
4768 Joshua Kinard <kumba@gentoo.org>
4771 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
4772 with 64-bit pointers.
4774 2006-05-02 Paul Brook <paul@codesourcery.com>
4776 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4778 (create_fix_barrier): Check that a suitable barrier location is
4780 (arm_reorg): Include ftmp->address in allowable range of addresses.
4782 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
4785 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
4788 2006-05-02 Jakub Jelinek <jakub@redhat.com>
4791 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
4792 around RESULT_DECL for result passed by reference.
4793 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
4794 * omp-low.c (use_pointer_for_field): Don't look at
4795 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
4796 (scan_omp_1): Call remap_decl on RESULT_DECLs.
4797 (lower_rec_input_clauses): Don't allocate VLA memory for the second
4798 time or var for passing by reference for
4799 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
4800 TREE_ADDRESSABLE variables when passing by reference.
4802 * omp-low.c (dump_omp_region): Fix output formatting.
4805 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
4806 (expand_omp_parallel): Likewise.
4807 * tree-cfg.c (move_sese_region_to_fn): Likewise.
4810 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
4811 on statement list containing also constructors and destructors.
4812 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
4815 * except.c (duplicate_eh_regions): Fix clearing of
4816 cfun->eh->region_array entries.
4818 2006-05-01 DJ Delorie <dj@redhat.com>
4820 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
4822 (gcc_cv_objdump): Likewise.
4823 * configure: Regenerated.
4825 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
4828 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
4829 templates for case 3 and 4.
4831 2006-05-01 DJ Delorie <dj@redhat.com>
4833 * vec.c: Include bconfig.h when appropriate.
4834 * Makefile.in (build/vec.o): Adjust dependencies.
4835 * mkconfig.sh: Make sure config.h isn't used for build machine
4838 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4840 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
4842 (mark_phi_for_rewrite): New function.
4843 (insert_phi_nodes_for, mark_use_interesting): Call
4844 mark_phi_for_rewrite.
4845 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
4846 (update_ssa): Initialize and free phis_to_rewrite.
4848 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4850 PR rtl-optimization/27291
4851 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
4852 folded to a constant.
4854 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4856 PR tree-optimization/27283
4857 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
4858 not whole # of iteration descriptions.
4859 (niter_for_exit): Return just # of iterations. Fail if # of iterations
4860 uses abnormal ssa name.
4861 (niter_for_single_dom_exit): Ditto.
4862 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
4863 return just the number of iterations.
4865 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
4867 PR tree-optimization/27144
4868 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
4869 (record_estimate): Only record constant upper bound.
4870 (infer_loop_bounds_from_undefined): Call
4871 compute_estimated_nb_iterations just once.
4872 (proved_non_wrapping_p): Renamed to ...
4873 (n_of_executions_at_most): ... this. Expect bound to be a constant.
4874 (convert_step_widening, scev_probably_wraps_p): Call
4875 n_of_executions_at_most instead of proved_non_wrapping_p.
4876 (substitute_in_loop_info): Do not replace values in bounds.
4877 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
4880 2006-05-01 Richard Henderson <rth@redhat.com>
4883 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
4884 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
4887 2006-05-01 Roger Sayle <roger@eyesopen.com>
4889 * c-typeck.c (parser_build_binary_op): Don't call the function
4890 unsigned_conversion_warning to spot operand/result type overflow.
4891 (build_binary_op): Instead, call convert_and_check instead of
4892 convert to report the problem when the operands are promoted.
4893 * c-common.c (unsigned_conversion_warning): Make static.
4894 * c-common.h (unsigned_conversion_warning): Delete prototype.
4896 2006-05-01 Richard Guenther <rguenther@suse.de>
4898 PR tree-optimization/26726
4899 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
4901 (find_interesting_uses_address): ... we work around here
4902 by folding INDIRECT_REFs in the substituted base.
4904 2006-05-01 Diego Novillo <dnovillo@redhat.com>
4906 * omp-low.c (dump_omp_region): Add newlines.
4908 2006-04-30 Roger Sayle <roger@eyesopen.com>
4910 * common.opt (Woverflow): New command line option.
4911 * c-common.c (constant_expression_warning): Check warn_overflow.
4912 (overflow_waring): Pass OPT_Woverflow to warning.
4913 (unsigned_conversion_warning): Likewise.
4914 (convert_and_check): Likewise.
4915 * doc/invoke.texi: Document new command line option.
4917 2006-04-30 David Edelsohn <edelsohn@gnu.org>
4919 * config/rs6000/rs6000.c (rs6000_override_options): Enable
4920 TARGET_NO_FP_IN_TOC for section anchors.
4921 (optimization_options): Enable section anchors for all
4922 non-"Objective" languages.
4924 2006-04-28 Eric Christopher <echristo@apple.com>
4926 * config/darwin-c.c (darwin_ms_struct): Move this
4927 (darwin_set_default_type_attributes): and this...
4928 * config/darwin.c: ... here.
4929 * config/darwin.h (darwin_ms_struct): Declare.
4931 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
4933 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
4935 2006-04-28 Roger Sayle <roger@eyesopen.com>
4938 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
4939 (push_array_bounds): Delete prototype. Change BOUNDS argument to
4940 an unsigned HOST_WIDE_INT.
4941 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
4943 (really_start_incremental_init): No need to call convert because
4944 bitsize_zero_node is already of type bitsizetype.
4945 (push_init_level): Extract the value of constructor_index as an
4946 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
4947 (process_init_element): Likewise.
4949 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
4951 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
4952 value before passing to make_relative_prefix.
4954 2006-04-28 Alan Modra <amodra@bigpond.net.au>
4957 * builtins.c (expand_builtin_memset): Expand val in original mode.
4959 2006-04-27 Eric Christopher <echristo@apple.com>
4961 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
4962 with #ifndef/#endif.
4963 * config/darwin-c.c (darwin_ms_struct): New.
4964 (darwin_pragma_ms_struct): Ditto.
4965 (darwin_set_default_type_attributes): Ditto.
4966 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
4967 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
4968 Register ms_struct pragma.
4969 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
4970 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
4971 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
4972 darwin_set_default_type_attributes if TARGET_MACHO.
4974 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
4976 PR tree-optimization/26854
4977 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
4978 * doc/tree-ssa.texi: Update immuse iterator documentation.
4979 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
4980 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
4981 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
4982 first_safe_imm_use, next_safe_imm_use): Remove.
4983 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
4984 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
4985 (move_use_after_head): New. Helper function to sort immuses in a stmt.
4986 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
4987 (first_imm_use_stmt): New. Get first stmt in an immuse list.
4988 (next_imm_use_stmt): New. Get next stmt in an immuse list.
4989 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
4990 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
4991 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
4992 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
4993 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
4994 (perfect_nestify): Use new iterator.
4995 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
4997 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
4998 (next_imm_name): New field in struct immediate_use_iterator_d.
4999 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5000 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5001 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5002 * tree-cfg.c (replace_uses_by): Use new iterator.
5003 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5004 * tree-ssa-operands.c (correct_use_link): Remove.
5005 (finalize_ssa_use_ops): No longer call correct_use_link.
5007 2006-04-27 Stuart Hastings <stuart@apple.com>
5009 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5010 * config/t-darwin (crt3.o): Use it.
5011 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5012 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5013 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5014 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5015 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5018 2006-04-27 Roger Sayle <roger@eyesopen.com>
5020 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5021 size, force the intermediate into a new pseudo rather instead of
5022 performing both a bitwise AND and a bitwise IOR in memory.
5024 2006-04-27 Richard Guenther <rguenther@suse.de>
5026 PR rtl-optimization/26685
5027 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5028 this one "max-flow-memory-locations".
5030 2006-04-27 Richard Guenther <rguenther@suse.de>
5032 PR tree-optimization/25148
5033 * tree-vrp.c (compare_values): Remove code dealing with
5034 comparisons against type min/max value. Honour overflow
5035 and negative constants in code dealing with comparisons
5036 of plus and minus expressions.
5037 (value_inside_range): Use fold_binary with LE_EXPR and
5038 GE_EXPR rather than compare_values.
5040 2006-04-27 Dirk Mueller <dmueller@suse.de>
5042 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5045 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5047 * basic-block.h (safe_insert_insn_on_edge): Removed.
5048 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5050 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5051 Paolo Bonzini <bonzini@gnu.org>
5054 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5055 (simplify_and_const_int): Same.
5057 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5059 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5061 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5064 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5065 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5066 cgraph_global_info_ready.
5069 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5072 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5073 either decl or init is error_mark_node.
5076 * tree-flow.h (struct omp_region): Add sched_kind.
5077 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5078 instead of extracting omp for data.
5079 (expand_omp_for): Save extracted sched_kind.
5081 2006-04-25 Roger Sayle <roger@eyesopen.com>
5083 * expmed.c (store_bit_field): Also check whether the bitsize is
5084 valid for the machine's "insv" instruction before moving the
5085 target into a pseudo for use with the insv.
5086 * config/i386/predicates.md (const8_operand): New predicate.
5087 * config/i386/i386.md (extv, extzv, insv): Use the new
5088 const8_operand predicate where appropriate.
5090 2006-04-25 DJ Delorie <dj@redhat.com>
5092 * doc/install.texi (Specific): Clarify that this is not a list of
5093 supported hosts or targets.
5095 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5097 PR rtl-optimization/26725
5098 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5099 block's BB_DIRTY flag.
5101 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5103 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5106 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5107 to print an integer.
5109 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5111 * varasm.c (align_variable): New function.
5112 (get_block_for_decl): Apply align_variable to DECL before
5113 calculating section information.
5114 (assemble_variable): Split out alignment computation.
5116 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5118 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5121 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5123 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5124 MODE_PARTIAL_INT mode.
5125 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5126 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5128 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5129 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5131 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5133 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5135 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5136 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5137 MACFLAG_IH): Likewise.
5138 (movstricthi_1): Renamed from "*movstricthi".
5139 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5140 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5141 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5142 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5143 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5144 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5145 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5146 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5147 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5148 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5149 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5150 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5151 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5152 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5153 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5155 * doc/rtl.texi (ss_ashift): Improve wording.
5157 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5159 * dwarf2out.c (verify_marks_clear): New.
5160 (prune_unused_types): Call verify_marks_clear initially, not
5163 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5165 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5166 * doc/rtl.texi: Document them.
5167 * simplify-rtx.c (simplify_unary_operation,
5168 simplify_binary_operation_1): Don't abort when we see them.
5170 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5173 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5174 * configure.ac: Completely disregard languages that are not
5176 * configure: Regenerated.
5178 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5179 Richard Guenther <rguenther@suse.de>
5181 PR tree-optimization/27236
5182 * tree-inline.c (copy_body_r): Make sure to copy
5183 TREE_THIS_VOLATILE flag.
5185 2006-04-24 Richard Guenther <rguenther@suse.de>
5188 * tree-complex.c (update_parameter_components): Don't handle
5189 unused parameters which have no default def.
5191 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5192 Richard Guenther <rguenther@suse.de>
5194 PR tree-optimization/27218
5195 * tree-inline.c (expand_call_inline): Strip useless type
5196 conversions for the return slot address.
5198 2006-04-24 Richard Guenther <rguenther@suse.de>
5200 * cfgloop.h (struct loops): Remove unused field array. Reorder
5202 (LOOP_PREFETCH): Remove.
5204 2006-04-24 Richard Guenther <rguenther@suse.de>
5206 PR tree-optimization/22525
5207 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5208 variable, adjust types of generated expressions.
5210 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5212 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5213 (tree-vect-patterns.o): Likewise.
5215 (cselib.o): Likewise.
5216 (loop-doloop.o): Likewise.
5217 (regclass.o): Likewise.
5218 (reload1.o): Likewise.
5219 (explow.o): Replace target.h with $(TARGET_H).
5220 (ipa-prop.o): Likewise.
5221 (ipa-cp.o): Likewise.
5222 (ipa-inline.o): Likewise.
5223 (reorg.o): Likewise.
5224 (reg-stack.o): Likewise.
5226 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5228 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5230 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5232 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5234 * configure.ac: Completely disregard languages that are not
5236 * configure: Regenerated.
5239 * c-common.h (c_build_bitfield_integer_type): Declare.
5240 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5241 * c-common.c (c_build_bitfield_integer_type): ... here.
5243 2006-04-23 Roger Sayle <roger@eyesopen.com>
5246 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5247 a SImode SUBREG of a floating point register after no_new_pseudos.
5249 2006-04-23 Roger Sayle <roger@eyesopen.com>
5251 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5252 identify potentially eliminable registers to additionally catch
5253 VIRTUAL_INCOMING_ARGS_REGNUM.
5254 (addsi3): Update the conditions on when to use addsi_small_int.
5256 2006-04-23 Roger Sayle <roger@eyesopen.com>
5259 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5260 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5261 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5263 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5265 * fold-const.c (range_predecessor): Use operand_equal_p
5266 as the predicate for equality.
5267 (range_successor): Likewise.
5269 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5272 * config/soft-fp/op-common.h: Fix a typo.
5274 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5277 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5278 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5280 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5282 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5284 * doc/tm.texi: Fix a typo.
5286 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5288 * dwarf2out.c (struct die_struct): Document that die_sib makes
5289 a circular linked list.
5290 (FOR_EACH_CHILD): New.
5291 (reverse_die_lists): Delete.
5292 (reverse_all_dies): Delete.
5293 (add_dwarf_attr): Correct documentation.
5294 (remove_child_with_prev): New.
5295 (remove_child_TAG): Update for change to die_struct, use
5296 remove_child_with_prev.
5297 (add_child_die): Update for change to die_struct.
5298 (splice_child_die): Use remove_child_with_prev and add_child_die.
5299 (print_die): Use FOR_EACH_CHILD.
5300 (die_checksum): Likewise.
5301 (assign_symbol_names): Likewise.
5302 (output_location_lists): Likewise.
5303 (build_abbrev_table): Likewise.
5304 (calc_die_sizes): Likewise.
5305 (mark_dies): Likewise.
5306 (unmark_dies): Likewise.
5307 (unmark_all_dies): Likewise.
5308 (output_die): Likewise.
5309 (prune_unused_types_mark): Likewise.
5310 (prune_unused_types_walk): Likewise.
5311 (same_die_p): Update for change to die_struct.
5312 (break_out_includes): Likewise.
5313 (prune_unused_types_prune): Likewise.
5314 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5315 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5317 (dwarf2out_finish): Don't call reverse_all_dies.
5319 2006-04-21 Eric Christopher <echristo@apple.com>
5321 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5322 in comments and function names.
5324 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5327 * c-typeck.c (digest_init): Robustify.
5329 * c-typeck.c (pop_init_level): Simplify.
5331 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5333 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5335 2006-04-21 Paul Brook <paul@codesourcery.com>
5337 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5338 hardware floating point.
5340 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5342 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5345 2006-04-21 Nick Clifton <nickc@redhat.com>
5347 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5350 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5353 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5354 C++ lang type in traceback table for Objective-C++.
5356 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5358 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5360 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5362 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5365 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5366 were errors. Remove check for erroneous objects.
5368 2006-04-20 Jeff Law <law@redhat.com>
5370 PR tree-optimization/26854
5371 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5372 checking for zero or one use.
5373 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5374 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5375 * tree-ssa-reassoc.c (negate_value): Similarly.
5376 (reassociate_bb): Similarly.
5378 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5380 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5381 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5382 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5384 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5386 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5387 fp regs if the last fp arg doesn't fit in regs.
5389 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5392 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5393 that the last insn has the REG_INC note.
5395 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5396 Nathan Sidwell <nathan@codesourcery.com>
5399 * stor-layout.c (update_alignment_for_field): Do not align
5401 (place_union_field): Place union field at the start of the union.
5402 (place_field): Move ERROR_MARK check later, and use the current
5403 allocation position to maintain monotonicity.
5405 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5407 * dominance.c: Include timevar.h.
5408 (calculate_dominance_info): Use TV_DOMINANCE.
5409 * timevar.def (TV_DOMINANCE): New timevar.
5410 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5412 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5414 PR rtl-optimization/14261
5415 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5416 move would be an INSV insn.
5417 (noce_process_if_block): Don't optimize if the destination is a
5418 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5420 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5422 * config/s390/s390.md: Add comments with the instructions emitted
5423 by an insn pattern if macros are used.
5425 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5427 PR rtl-optimization/26026
5428 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5429 is a known power of two shifted left a variable amount.
5431 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5433 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5434 to hash table twice when the debug_str section has SECTION_MERGE.
5436 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5438 * config/soft-fp: New directory. From glibc.
5439 * config/soft-fp/t-softfp: New.
5440 * config/soft-fp/README: New.
5441 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5442 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5443 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5444 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5445 * config.gcc: Use rs6000/t-fprules-fpbit or
5446 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5448 * config/rs6000/sfp-machine.h: New. Based on glibc.
5449 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5451 * config/rs6000/t-fprules: Remove fp-bit rules.
5452 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5453 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5454 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5455 (softfp_wrap_start, softfp_wrap_end): New.
5457 2006-04-18 DJ Delorie <dj@redhat.com>
5459 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5461 2006-04-18 Devang Patel <dpatel@apple.com>
5463 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5465 2006-04-18 Nick Clifton <nickc@redhat.com>
5467 * config/sh/t-symbian: Add rule to build sh-c.o
5468 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5469 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5470 (sh_symbian_encode_section_info): Likewise.
5472 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5474 * builtins.c (expand_builtin_strcmp): Cover label definition of
5475 do_libcall with HAVE_cmpstrnsi.
5477 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5479 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5481 * function.h (temp_slot_p): New.
5482 (function): Change the type of x_used_temp_slots to
5483 VEC(temp_slot_p,gc) *.
5485 2006-04-18 Nick Clifton <nickc@redhat.com>
5487 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5488 flag_strength_reduce.
5490 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5492 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5496 Partial revert of revision 112637
5497 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5498 Dale Johannesen <dalej@apple.com>
5501 * regclass.c (struct reg_pref): Update documentation.
5502 (regclass): Set prefclass to NO_REGS if memory is the best option.
5503 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5505 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5507 PR tree-optimization/26821
5508 * tree-ssa-math-opts.c (get_constant_one): New.
5509 (insert_reciprocals): Use it.
5511 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5513 * dwarf2out.c (free_AT): Delete.
5514 (remove_AT): Update string ref counts.
5515 (remove_child_TAG): Don't call free_die.
5517 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5518 or DW_TAG_GNU_EINCL.
5519 (prune_unused_types_walk_attribs): Reset string refcounts.
5520 (prune_unused_types_update_strings): New.
5521 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5522 call free_die. Do call prune_unused_types_update_strings.
5523 (prune_unused_types): Empty debug_str_hash.
5525 2006-04-17 Roger Sayle <roger@eyesopen.com>
5527 * expr.c (expand_assignment): Optimize away no-op moves where the
5528 source and destination are equal and have no side-effects.
5530 2006-04-17 Richard Guenther <rguenther@suse.de>
5533 * reload.c (push_reload): Guard calls to get_secondary_mem
5536 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5538 * alias.c (reg_base_value, old_reg_base_value): Change the
5539 type to VEC(rtx,gc) *.
5540 (REG_BASE_VALUE, find_base_value, record_set,
5541 init_alias_analysis): Use VEC instead of VARRAY.
5543 * alias.c (alias_sets): Change the type to
5544 VEC(alias_set_entry,gc) *.
5545 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5546 VEC instead of VARRAY.
5547 (last_alias_set): Remove.
5549 * cgraph.h (cgraph_edge_p): New.
5550 Update the prototype of cgraph_function_versioning.
5551 * cgraphunit.c (cgraph_copy_node_for_versioning,
5552 cgraph_function_versioning): Use VEC instead of VARRAY.
5553 * ipa-cp.c (ipcp_insert_stage): Likewise.
5555 2006-04-16 Roger Sayle <roger@eyesopen.com>
5558 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5559 "A op B" or "A op C", we may need to convert A to the type of B and C.
5561 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5563 * target.h (struct gcc_target): Add mode_rep_extended.
5564 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5565 (init_num_sign_bit_copies_in_rep): Initialize it using
5567 (truncate_to_mode): Use it.
5568 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5569 * targhooks.h (default_mode_rep_extended): Declare it.
5570 * targhooks.c (default_mode_rep_extended): Define it.
5571 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5572 default_mode_rep_extended.
5573 (TARGET_INITIALIZER): Include it.
5574 * doc/tm.texi (Misc): Document it.
5575 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5576 (mips_truncated_to_mode): New function.
5578 2006-04-16 Roger Sayle <roger@eyesopen.com>
5581 * expr.c (compress_float_constant): Copy the narrow constant into
5582 a new pseudo before extending it to its final width.
5584 2006-04-16 Roger Sayle <roger@eyesopen.com>
5585 Andrew Pinski <pinskia@gcc.gnu.org>
5586 Dale Johannesen <dalej@apple.com>
5589 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5590 special case code to implement V8HImode and V16QImode with SSE2.
5592 2006-04-15 Roger Sayle <roger@eyesopen.com>
5594 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5595 trees are constructed with a suitable tree type.
5597 2006-04-15 Roger Sayle <roger@eyesopen.com>
5599 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5600 (integer_onep): Likewise.
5601 (integer_all_onesp): Likewise.
5602 (integer_pow2p): Likewise.
5603 (integer_nonzerop): Likewise.
5604 (real_zerop): Likewise.
5605 (real_onep): Likewise.
5606 (real_twop): Likewise.
5607 (real_minus_onep): Likewise.
5608 (int_size_in_bytes): Likewise.
5609 (host_integerp): Likewise.
5611 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5613 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5614 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5615 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5617 * tree-ssa-structalias.h (alias_info): Remove num_references.
5619 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5621 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5622 (output_bvb patterns): Likewise.
5623 * pa.c (output_bb): Use 'bb' insn for long branch case.
5624 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5625 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5626 1. Correct length operand for alternatives 1 and 2.
5627 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5628 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5630 2006-04-14 Roger Sayle <roger@eyesopen.com>
5632 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5633 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5634 were accidentally reverted by r112959.
5636 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5639 * except.h (eh_region_outermost): New prototype.
5640 * except.c (eh_region_outermost): New function.
5641 * tree-cfg.c (find_outermost_region_in_block): Use it.
5643 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5645 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
5647 * reload1.c (reg_equiv_memory_loc_varray): Rename to
5648 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
5649 (init_reload, reload): Use VEC instead of VARRAY.
5650 * reload.h: Update the prototype for
5651 reg_equiv_memory_loc_varray.
5653 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
5654 Eric Botcazou <ebotcazou@libertysurf.fr>
5656 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
5659 2005-04-13 Uros Bizjak <uros@kss-loka.si>
5662 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
5663 to expand fallback builtin function call.
5665 2006-04-14 Alan Modra <amodra@bigpond.net.au>
5668 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
5669 and emit libcall here in case the builtin fails.
5670 (expand_builtin_strcmp): Always emit the libcall here on failure.
5672 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
5674 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
5675 * flow.c (reg_n_info): Change the type to
5676 VEC(reg_info_p,heap) *.
5677 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
5679 * regs.h (reg_info_p): New.
5680 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
5681 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
5682 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
5685 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
5687 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
5689 * params.h (MAX_SCHED_READY_INSNS): New macro.
5690 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
5691 past MAX_SCHED_READY_INSNS during the first scheduling pass.
5692 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
5693 the ready list for 1 cycle during the first scheduling pass.
5694 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
5696 2006-04-13 Richard Henderson <rth@redhat.com>
5699 * gimple-low.c (lower_omp_directive): Remove dead code.
5700 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
5701 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
5702 * omp-low.c (struct omp_region): Move to tree-flow.h.
5703 (root_omp_region): Export.
5704 (omp_regions, lookup_omp_region): Remove.
5705 (determine_parallel_type): Update for struct omp_region changes.
5706 (dump_omp_region): Dump regions with block numbers.
5707 (new_omp_region): Take type and block instead of stmt; malloc
5709 (free_omp_region_1, free_omp_regions): New.
5710 (expand_parallel_call): Take entry_stmt as argument; update for
5711 changes to omp_region.
5712 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
5713 (remove_exit_barriers): New.
5714 (expand_omp_parallel): Update for struct omp_region changes.
5715 (expand_omp_synch): Likewise.
5716 (expand_omp): Likewise.
5717 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
5718 (expand_omp_for_static_chunk): Likewise.
5719 (expand_omp_for): Likewise.
5720 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
5721 (expand_omp_sections): Similarly, with GOMP_sections_end.
5722 (expand_omp_single): New.
5723 (build_omp_regions_1): Update for OMP_CONTINUE.
5724 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
5725 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
5726 OMP_SECTIONS_SECTIONS.
5727 (lower_omp_single_simple): Don't emit barrier here.
5728 (lower_omp_single_copy): Likewise.
5729 (lower_omp_single): Fix bindings, and lower to straightline now.
5730 (lower_omp_master, lower_omp_ordered): Likewise.
5731 (lower_omp_critical): Likewise.
5732 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
5733 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
5734 omp edges, free it afterward.
5735 (make_omp_sections_edges): Remove.
5736 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
5737 (move_stmt_r): Handle OMP_CONTINUE.
5738 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
5739 statement pointers to basic blocks. Add type member.
5740 (root_omp_region, new_omp_region, free_omp_regions): Declare.
5741 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
5742 * tree-inline.c (estimate_num_insns_1): Likewise.
5743 * tree-pretty-print.c (dump_generic_node): Likewise.
5744 * tree-ssa-operands.c (get_expr_operands): Likewise.
5745 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
5746 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
5747 (OMP_CONTINUE): New.
5748 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
5749 (OMP_SECTIONS_SECTIONS): Remove.
5750 (OMP_SECTION_LAST): New.
5751 (OMP_RETURN_NOWAIT): New.
5753 2006-04-13 Roger Sayle <roger@eyesopen.com>
5755 * fold-const.c (native_encode_vector, native_interpret_real):
5756 Correct obvious mistakes in the previous check-in.
5758 2006-04-13 Roger Sayle <roger@eyesopen.com>
5760 * fold-const.c (native_encode_expr): New function to encode
5761 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
5762 or VECTOR_CST into a specified buffer.
5763 (native_encode_int): New function.
5764 (native_encode_real): New function.
5765 (native_encode_complex): New function.
5766 (native_encode_vector): New function.
5767 (native_interpret_expr): Inverse of native_encode_expr to convert
5768 a target representation into an INTEGER_CST, REAL_CST etc...
5769 (native_interpret_int): New function.
5770 (native_interpret_real): New function.
5771 (native_interpret_complex): New function.
5772 (native_interpret_vector): New function.
5773 (fold_view_convert_expr): New function to constant fold/evaluate
5774 a VIEW_CONVERT_EXPR of a suitable constant expression.
5775 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
5776 Change call of build1 to fold_build1 when constructing a
5779 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
5780 Ulrich Weigand <uweigand@de.ibm.com>
5783 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
5786 2006-04-13 Alan Modra <amodra@bigpond.net.au>
5789 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
5790 optimize to lo_sum for DFmode if !TARGET_FPRS.
5792 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5794 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
5795 delete_alias_info, compute_flow_sensitive_aliasing,
5796 group_aliases): Use VEC instead of VARRAY.
5797 * tree-ssa-structalias.c (update_alias_info): Likewise.
5798 * tree-ssa-structalias.h (alias_info): Change the type of
5799 processed_ptrs to VEC(tree,heap) *.
5801 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
5804 * config/sh/lib1funcs.h: New file, broken out of:
5805 * config/sh/lib1funcs.asm.
5806 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
5808 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
5809 * config/sh/lib1funcs-Os-4-200.asm: New file.
5810 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
5811 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
5812 (EXTRA_MULTILIB_PARTS): Include it.
5813 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
5814 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
5815 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
5816 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
5819 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
5821 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
5822 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
5823 tpa_compact, root_var_init, type_var_init): Use VEC instead of
5825 * tree-ssa-live.h: Include vecprim.h.
5826 (tree_partition_associator_d): Change the type of
5827 first_partition to VEC(int,heap) *.
5828 (tpa_first_partition): Use VEC instead of VARRAY.
5830 * Makefile.in (GTFILES): Move functions.h after tree.h.
5831 * function.c (reset_block_changes, record_block_change,
5832 check_block_change, free_block_changes): Use VEC instead of
5834 * function.h (function): Change the type of
5835 ib_boundaries_block to VEC(tree,gc) *.
5836 * tree-inline.c (copy_cfg_body): Initialize
5837 ib_boundaries_block to NULL instead of (varray_type) 0.
5839 2006-04-12 Roger Sayle <roger@eyesopen.com>
5841 * expr.c (emit_group_store): Correct operand order in call to
5842 subreg_lowpart_offset. Always create paradoxical SUBREGs with
5843 a SUBREG_BYTE of zero.
5845 2006-04-12 Richard Guenther <rguenther@suse.de>
5847 * profile.c (compute_branch_probabilities): Remove code
5848 encapsulated in !ir_type (), which are remanents of the
5849 removed RTL profiling code.
5850 * rtl-profile.c: Remove.
5852 2006-04-12 Alan Modra <amodra@bigpond.net.au>
5854 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
5855 magic NULL_RTX comment.
5856 (function_arg): Store entire fp arg to mem if any part should go
5858 (rs6000_arg_partial_bytes): Adjust for above change.
5860 2006-04-11 Roger Sayle <roger@eyesopen.com>
5862 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
5863 if it hasn't been initialized by dwarf2out_init.
5865 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
5867 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
5868 symbolic constants in branch patterns.
5870 2006-04-11 Roger Sayle <roger@eyesopen.com>
5872 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
5874 2006-04-11 Richard Sandiford <richard@codesourcery.com>
5876 PR rtl-optimization/27073
5877 * gcse.c (try_replace_reg): Revert last change. Continue to search
5878 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
5881 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5883 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
5884 aggregate types other than record and union types.
5885 (function_arg): Likewise.
5886 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
5888 (function_value): In 64-bit mode, return objects that require it
5891 2006-04-11 Roger Sayle <roger@eyesopen.com>
5893 * dwarf2out.c (premark_used_types): Remove problematic prototype.
5895 2006-04-11 Jakub Jelinek <jakub@redhat.com>
5897 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
5899 2006-04-03 Jeff Law <law@redhat.com>
5902 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
5903 alias information too.
5905 2006-04-10 Mike Frysinger <vapier@gentoo.org>
5907 * Makefile.in (gcc-cross): Add $(exeext) to target name.
5909 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
5912 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
5913 (premark_used_types_helper): New.
5914 (premark_used_types): New.
5915 (gen_subprogram_die): Call premark_used_types.
5916 (prune_unused_types_walk): Do not prune perennial dies.
5917 * function.c (used_types_insert): New.
5918 * function.h (struct function): Add used_types_hash field.
5919 (used_types_insert): Add prototype.
5920 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
5921 * c-parser.c (c_parser_cast_expression): Save casted types in used
5924 2006-04-11 Mark Mitchell <mark@codesourcery.com>
5927 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
5928 rs6000_explicit_options.float_gprs.
5930 2006-04-10 Roger Sayle <roger@eyesopen.com>
5932 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
5933 from ix86_expand_vector_init_low_nonzero. Take an additional
5934 one_var argument indicating which element is non-zero. Support
5935 one_var != 0 for V4SFmode and V4SImode by permuting the result.
5936 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
5937 with one_var instead of ix86_expand_vector_init_low_nonzero.
5939 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
5941 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
5942 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
5943 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
5944 build/genextract.o): Depend on vecprim.h.
5945 * cfglayout.c, df-problems.c, function.c, genextract.c,
5946 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
5947 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
5951 2006-04-10 Geoffrey Keating <geoffk@apple.com>
5953 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
5954 Declare VECs of this type.
5955 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
5956 (remove_children): Delete.
5957 (add_dwarf_attr): Use VEC routines.
5958 (add_AT_flag): Update for changes to add_dwarf_attr.
5959 (add_AT_int): Likewise.
5960 (add_AT_unsigned): Likewise.
5961 (add_AT_long_long): Likewise.
5962 (add_AT_vec): Likewise.
5963 (add_AT_string): Likewise.
5964 (add_AT_die_ref): Likewise.
5965 (add_AT_fde_ref): Likewise.
5966 (add_AT_loc): Likewise.
5967 (add_AT_loc_list): Likewise.
5968 (add_AT_addr): Likewise.
5969 (add_AT_lbl_id): Likewise.
5970 (add_AT_lineptr): Likewise.
5971 (add_AT_macptr): Likewise.
5972 (add_AT_offset): Likewise.
5973 (add_AT_range_list): Likewise.
5974 (get_AT): Use VEC_iterate.
5975 (remove_AT): Use VEC_ordered_remove.
5976 (free_die): Fold remove_children into here; have it use VEC_iterate.
5977 (print_die): Use VEC_iterate on attrs.
5978 (reverse_die_lists): Don't reverse attr lists.
5979 (die_checksum): Use VEC_iterate on attrs.
5980 (same_die_p): Likewise.
5981 (output_location_lists): Likewise.
5982 (build_abbrev_table): Likewise.
5983 (size_of_die): Likewise.
5984 (unmark_all_dies): Likewise.
5985 (output_abbrev_section): Likewise.
5986 (output_die): Likewise.
5987 (prune_unused_types_walk_attribs): Likewise.
5989 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5991 * doc/install.texi (*-*-solaris2*): Point to the configure page.
5993 2006-04-10 Jakub Jelinek <jakub@redhat.com>
5996 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
5998 2006-04-09 Roger Sayle <roger@eyesopen.com>
6000 * expr.c (store_constructor): Don't bother clearing target if
6001 we're about to assign a vector to it using vec_init_optab.
6003 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6005 * tree-ssa-alias.c (lhs_may_store_to): New function.
6006 (recalculate_used_alone): Handle LHS of calls.
6008 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6012 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6013 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6014 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6015 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6016 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6017 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6018 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6019 stubs. Add ".align 8" directives before all ".dword" directives.
6020 (GTHREAD_USE_WEAK): Revise comment.
6021 (TARGET_ATTRIBUTE_WEAK): Define.
6022 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6023 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6024 * stublib.c: New file.
6029 * pa.md (cbranch patterns): Revise arguments used in calls to
6030 output_cbranch, output_bb and output_bvd. Add long branch length
6032 (fbranch patterns): Handle long branches.
6033 (jump): Revise length check. Revise arguments for output_lbranch call.
6034 Add long branch length attributes.
6035 (decrement_and_branch_until_zero): Add long branch length attributes.
6036 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6037 Likewise. Revise arguments for output_parallel_addb and
6038 output_parallel_movb calls.
6039 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6040 output_parallel_movb and output_parallel_addb): Update prototypes.
6041 * pa.c (output_cbranch): Revise arguments. Correct handling of
6042 nullification in long branches.
6043 (output_lbranch): Add new argument to control extraction of delay
6045 (output_bb): Handle long branches.
6046 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6047 output_parallel_addb): Likewise.
6049 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6051 PR rtl-optimization/27073
6052 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6055 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6057 * tree.h (tree_memory_tag): Add old_used_alone.
6058 (SMT_OLD_USED_ALONE): New macro.
6059 * tree-ssa-alias.c (recalculate_used_alone): Stop
6060 marking things for renaming unnecessarily.
6062 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6064 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6065 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6066 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6067 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6068 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6069 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6070 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6071 spelling convensions.
6072 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6073 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6074 typos. Follow spelling conventions.
6076 2006-04-07 DJ Delorie <dj@redhat.com>
6078 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6079 passed on the stack.
6080 (m32c_init_cumulative_args): When a function returns a structure,
6081 always pass the pointer to that return area on the stack.
6082 (m32c_function_arg_advance): Don't increment the parameter number
6083 if we're processing the returned structure pointer.
6084 (pushm_info): Reverse order of registers.
6086 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6088 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6089 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6090 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6091 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6093 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6094 chrec_fold_multiply): Same.
6095 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6096 force_expr_to_var_cost): Same.
6097 * tree-mudflap.c (mf_xform_derefs_1): Same.
6098 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6100 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6102 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6103 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6106 2006-04-07 Jan Hubicka <jh@suse.cz>
6108 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6110 2006-04-07 Richard Guenther <rguenther@suse.de>
6112 PR tree-optimization/26135
6113 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6114 loads for store copy-prop.
6115 (copy_prop_visit_stmt): Likewise.
6117 2006-04-05 Robert Millan <robertmh@gnu.org>
6119 * config/i386/linux.h: Add a comment to mark macros that are
6120 being overriden in config/k*bsd-gnu.h.
6121 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6123 * config/knetbsd-gnu.h: Ditto.
6125 2006-04-06 Jan Hubicka <jh@suse.cz>
6129 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6132 2006-04-06 Mike Stump <mrs@apple.com>
6134 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6135 for HAVE_nonlocal_goto to be consistent.
6136 (expand_builtin_nonlocal_goto): Likewise.
6137 (expand_builtin_strcmp): Use #ifdef instead of #if
6138 for HAVE_cmpstrnsi to be consistent.
6140 2006-04-05 DJ Delorie <dj@redhat.com>
6142 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6145 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6147 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6148 got-relative addressing for anything but SImode.
6150 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6151 even if the calling function doesn't modify them.
6153 2006-04-05 Richard Guenther <rguenther@suse.de>
6155 PR tree-optimization/26919
6156 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6157 to cgraph_estimate_size_after_inlining.
6159 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6161 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6163 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6165 PR tree-optimization/26996
6166 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6167 VECTOR_TYPE variables.
6169 2006-04-05 Richard Guenther <rguenther@suse.de>
6171 PR tree-optimization/26763
6172 * fold-const.c (fold_comparison): Move folding of
6173 PTR + CST CMP PTR + CST ...
6174 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6176 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6178 * doc/install.texi (Prerequisites): Refine some wording on
6179 bootstrapping and ksh.
6180 Move the version numbers of DejaGnu here from the testing section
6181 and fix casing of names.
6182 Fix markup and clarify wording for autogen requirements.
6183 Refer to GCJ instead of just java.
6184 Refer to SVN instead of CVS.
6185 Describe diffutils as useful instead of necessary.
6186 (Downloading the source): Refer to SVN instead of CVS.
6187 Adjust a link to our web site accordingly.
6188 (Configuration): Fix casing of Bison.
6189 (Building): Refer to SVN instead of CVS.
6190 Fix a sentence on the use of Bison and remove duplicate (and
6191 incorrect) version number of Bison requirement.
6192 Remove one redundant list of packages needed for building.
6193 (Specific): Avoid reference to CVS.
6195 2006-04-04 Eric Christopher <echristo@apple.com>
6197 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6198 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6199 (rs6000_handle_struct_attribute): New.
6200 (rs6000_ms_bitfield_layout_p): Ditto.
6202 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6204 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6205 NULL for dso parameter to atexit_common.
6207 2006-04-04 Eric Christopher <echristo@apple.com>
6209 * config/i386/i386.c (machopic_output_stub): Output \t
6210 between instructions and operands.
6212 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6214 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6215 satisfies_constraint_[IL] to explicit tests on value.
6217 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6219 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6220 set_nb_iterations_in_loop): Use build_int_cst instead of
6222 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6223 build_int_cst instead of convert.
6225 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6227 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6228 new value 2 for incoming.
6229 * function.c (expand_function_start): Call struct_value_rtx
6231 * config/sparc/sparc.md: Comment updated_return.
6232 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6233 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6234 struct return if sparc_std_struct_return and incoming is 2.
6235 (print_operand): Do not adjust return if
6236 sparc_std_struct_return.
6238 2006-04-04 Roger Sayle <roger@eyesopen.com>
6240 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6241 convert in the middle-end.
6242 * expr.c (store_expr, store_constructor, get_inner_reference,
6243 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6245 * tree.c (build_range_type): Likewise.
6247 2006-04-04 Tom Tromey <tromey@redhat.com>
6249 * doc/install.texi (Prerequisites): Mention jar.
6251 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6253 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6256 2006-04-04 Matthias Klose <doko@debian.org>
6258 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6259 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6262 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6264 * doc/extend.texi (Function Attributes): Rewrite visibility
6265 attribute documentation.
6266 * doc/invoke.texi (C++ Dialect Options): Rewrite
6267 -fvisibility-inlines-hidden documentation to describe something
6268 entirely different, although in practise compatible.
6269 (Code Gen Options): Warn about system headers in -fvisibility=
6272 * doc/extend.texi (Other Builtins): Document that
6273 __builtin_nan is a compile-time constant only when its argument
6276 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6278 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6279 trying to remove TRUNCATE check if all bits outside the new mode
6280 are identical to the sign bit.
6282 2006-04-03 Jeff Law <law@redhat.com>
6284 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6285 and operand scanning in some common cases.
6287 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6288 Dale Johannesen <dalej@apple.com>
6291 * regclass.c (struct reg_pref): Update documentation.
6292 (regclass): Set prefclass to NO_REGS if memory is the best option.
6293 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6294 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6295 into account. For non-registers, equate an empty preferred
6296 reload class to a `!' in the constraint; move the if clause to
6297 do so after those that reject the insn.
6298 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6300 (find_dummy_reload): Likewise.
6301 * doc/tm.texi (Register Classes): Document what it means
6302 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6303 * config/i386/i386.c (ix86_preferred_reload_class): Force
6304 using SSE registers (and return NO_REGS for floating-point
6305 constants) if math is done with SSE.
6306 (ix86_preferred_output_reload_class): New.
6307 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6308 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6309 * config/i386/i386.md: Remove # register preferences.
6311 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6314 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6315 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6316 the type of nb_iter.
6317 (instantiate_parameters_1): Convert the operands before calling
6318 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6319 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6321 2006-04-02 Roger Sayle <roger@eyesopen.com>
6323 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6324 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6326 * dojump.c (do_jump): Likewise.
6327 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6328 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6329 gimplify_boolean_expr): Likewise.
6330 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6331 * varasm.c (array_size_for_constructor): Likewise.
6332 * tree-object-size.c (compute_object_offset): Likewise.
6334 2006-04-02 Roger Sayle <roger@eyesopen.com>
6337 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6338 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6340 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6342 PR tree-optimization/26939
6343 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6345 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6347 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6348 at_stmt. Convert the type of operands before calling
6349 build_polynomial_chrec.
6350 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6352 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6353 (instantiate_parameters_1): Convert the type of operands before calling
6354 build_polynomial_chrec.
6355 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6356 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6357 reset_evolution_in_loop): Insert asserts to check the types of the
6359 (chrec_type): Moved...
6360 (eq_evolutions_p): Use operand_equal_p.
6361 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6362 the types of the operands.
6363 (chrec_type): ...here.
6364 * tree-data-ref.c (create_data_ref): Convert the operands before
6365 calling chrec_replace_initial_condition.
6366 (same_access_functions, analyze_subscript_affine_affine,
6367 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6368 (compute_subscript_distance, analyze_ziv_subscript,
6369 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6370 analyze_miv_subscript): Convert the operands before calling
6371 chrec_fold_minus or chrec_fold_plus.
6373 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6375 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6376 the dependence_relations vector.
6377 (compute_data_dependences_for_loop): Adjust call to
6378 compute_all_dependences.
6380 2006-04-01 Roger Sayle <roger@eyesopen.com>
6381 Richard Henderson <rth@redhat.com>
6383 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6384 gimple_boolify on the condition before calling gimplify_expr.
6386 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6388 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6389 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6390 the frame size. Update to use the new macros.
6391 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6392 * config/xtensa/ieee754-df.S: Likewise.
6394 2006-03-31 Richard Henderson <rth@redhat.com>
6396 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6397 (make_edges): ... here. Control fallthru creation with a local
6398 variable. Do not play with fake edges.
6399 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6400 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6403 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6405 * dwarf2.h (DW64_CIE_ID): Define.
6406 * dwarf2out.c (DWARF_CIE_ID): Define.
6407 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6408 length header. Use DWARF_CIE_ID.
6409 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6410 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6412 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6414 * config/sh/linux-atomic.asm: New file.
6415 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6417 2006-03-31 DJ Delorie <dj@redhat.com>
6419 * config/m32c/cond.md: Set condition flags properly throughout.
6420 * config/m32c/minmax.md: Likewise.
6421 * config/m32c/prologue.md: Likewise.
6422 * config/m32c/bitops.md: Likewise.
6423 * config/m32c/muldiv.md: Likewise.
6424 * config/m32c/mov.md: Likewise.
6425 * config/m32c/addsub.md: Likewise.
6426 * config/m32c/m32c.md: Likewise.
6427 * config/m32c/jump.md: Likewise.
6428 * config/m32c/shift.md: Likewise.
6430 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6431 conditionally output the pattern for this.
6432 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6433 (m32c_compare_redundant): New.
6434 (m32c_output_compare): New.
6435 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6437 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6438 dest, not src. Allow other 4-byte modes.
6440 2006-03-30 Denis Chertykov <denisc@overta.ru>
6442 * doc/md.texi: Refer to avr/constraints.md instead of
6445 2006-03-30 Roger Sayle <roger@eyesopen.com>
6447 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6448 signed vs. unsigned comparison failures on some hosts.
6450 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6453 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6454 change to FLOAT_REGS.
6456 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6457 (rs6000_override_options): Use it.
6458 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6459 only for -mabi=spe/no-spe and -mabi=altivec.
6461 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6463 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6466 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6468 * Makefile.in: Rename docdir to gcc_docdir.
6470 2006-03-30 Roger Sayle <roger@eyesopen.com>
6473 * expr.c (emit_group_store): Optimize group stores into a pseudo
6474 register by using a paradoxical subreg to initialize the destination
6475 if the first or last member of the group specifies a "low part".
6477 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6480 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6481 * target.h (struct gcc_target.speculate_insn): Change type of the
6482 second parameter to 'int'.
6483 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6484 the second operand of the DEPS_LIST.
6485 (copy_DEPS_LIST_list): Update reference to the second operand of the
6487 * rtl.h (alloc_DEPS_LIST): Update signature.
6488 * sched-int.h (ds_t): Change typedef to 'int'.
6489 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6491 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6493 * haifa-sched.c (try_ready): Change condition to restore
6494 non-speculative pattern of the instruction.
6495 (process_insn_depend_be_in_spec): Code to keep probability of the
6496 speculative dependence non-decreasing.
6498 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6500 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6501 (single_move_for_movmem): ... this. Also change all uses.
6502 (bfin_expand_strmov): Renamed to...
6503 (bfin_expand_movmem): ... this. Also change all uses.
6504 * config/bfin/bfin.md (movstrsi): Renamed to...
6505 (movstrsi): ...this.
6507 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6509 PR tree-optimization/26830
6511 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6512 (copy_prop_visit_stmt): Remove write-only variable ann.
6513 (init_copy_prop): Check variable loop depth here. Do not simulate
6514 memory-tag and virtual operand PHIs except for store copy prop.
6516 2006-03-30 Richard Guenther <rguenther@suse.de>
6518 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6519 variants with double arguments.
6521 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6523 * genpreds.c (write_tm_constrs_h): Delete variable p.
6524 * genconditions.c (write_header): Add tm-constrs.h to included
6526 * genpeep.c (main): Add toplev.h to included headers.
6527 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6528 (build/genpeep.o): Add toplev.h dependency.
6529 * config/rs6000/constraints.md: Add "W" constraint.
6531 2006-03-29 Roger Sayle <roger@eyesopen.com>
6533 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6534 sizes by correctly testing whether the size fits a host integer.
6535 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6536 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6537 SImode range for the default sizetype and bitsizetype.
6539 2006-03-29 Roger Sayle <roger@eyesopen.com>
6541 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6542 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6543 quickly if the argument is already of the correct type.
6544 Call fold_build1 instead of build1. Tidy up blank lines.
6546 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6548 * genemit.c (main): Add tm-constrs.h to included headers.
6549 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6550 * genpeep.c (main): Add tm-constrs.h to included headers.
6551 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6552 (write_tm_constrs_h): this and write complete file.
6553 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6554 (write_insn_preds_c): Add tm-constrs.h to included headers.
6555 (gen_constrs): New variable.
6556 (parse_option): Parse "-c".
6557 (main): Invoke write_tm_constrs_h.
6558 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6559 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6560 (object_out_file): Add tm-constrs.h dependency.
6561 (insn-emit.o): Same.
6562 (insn-output.o): Same.
6563 (insn-peep.o): Same.
6564 (insn-preds.o): Same.
6565 (insn-recog.o): Same.
6566 (tm-constsr.h): New target.
6567 (s-constrs-h): New target.
6569 * config/rs6000/constraints.md: New file.
6570 * config/rs6000/rs6000.c: Include tm-constrs.h.
6571 (num_insn_constant_wide): Convert to satisfies_constraint.
6572 (rs6000_rtx_costs): Convert to satisfies_constraint.
6573 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6574 (CONST_OK_FOR_LETTER_P): Delete.
6575 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6576 (EXTRA_CONSTRAINT): Delete.
6577 (EXTRA_MEMORY_CONSTRAINT): Delete.
6578 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6579 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6580 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6581 satisfies_constraint.
6583 * config/i386/i386.c: Include tm-constrs.h.
6585 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6587 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6588 * tree-data-ref.c (find_data_references_in_loop,
6589 compute_data_dependences_for_loop): Use pointers to VEC.
6590 (analyze_all_data_dependences): Adjust calls.
6591 * tree-data-ref.h (find_data_references_in_loop,
6592 compute_data_dependences_for_loop): Adjust declarations.
6593 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6594 compute_data_dependences_for_loop.
6596 2006-03-29 Paul Brook <paul@codesourcery.com>
6598 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6601 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6603 PR tree-optimization/26859
6604 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6606 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6607 for the step after fold_convert.
6609 2006-03-29 Paul Brook <paul@codesourcery.com>
6611 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6612 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6614 2006-03-29 Paul Brook <paul@codesourcery.com>
6617 * targhooks.c (default_narrow_bitfield): New fuction.
6618 * targhooks.h (default_narrow_bitfield): add prototype.
6619 * target.h (gcc_target): Add narrow_volatile_bitfield.
6620 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6621 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6622 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6623 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6625 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6627 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6629 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6630 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6631 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6632 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6633 (s390_function_arg_float): Allow SDmode and DDmode values to be
6634 passed in floating point registers.
6635 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6636 check with SCALAR_FLOAT_MODE_P.
6637 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
6639 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6641 PR tree-optimization/25985
6642 * tree-ssa-loop-niter.c (number_of_iterations_le,
6643 number_of_iterations_ne): Make comments more precise.
6644 (number_of_iterations_cond): Add only_exit argument. Use the
6645 fact that signed variables do not overflow only when only_exit
6647 (loop_only_exit_p): New.
6648 (number_of_iterations_exit): Pass result of loop_only_exit_p to
6649 number_of_iterations_cond.
6651 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
6653 PR tree-optimization/26643
6654 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
6657 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
6659 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
6660 (divsi3_i4_int): Likewise.
6662 2006-03-28 Roger Sayle <roger@eyesopen.com>
6664 * expr.c (emit_group_store): Only create a new pseudo reg if the
6665 quantity it needs to hold isn't already a suitable pseudo.
6667 2006-03-28 Jeff Law <law@redhat.com>
6669 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
6670 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
6672 2006-03-28 Roger Sayle <roger@eyesopen.com>
6674 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
6675 the equivalent ~X & Y, and the symmetry related transformations.
6676 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
6677 ~X & Y, and symmetry related transforms.
6679 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6681 Revert my 2006-03-27 patches.
6683 2006-03-28 Roger Sayle <roger@eyesopen.com>
6685 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
6686 ~(T1)X, when T1 and T2 are integer types of the same precision
6687 and (T2)X isn't an extension.
6689 2006-03-28 Jeff Law <law@redhat.com>
6691 PR tree-optimization/26796
6692 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
6693 need EH edge cleanups rather than purging them immediately.
6694 (eliminate_degenerate_phis): Handle queued EH cleanups.
6696 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
6698 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
6701 2006-03-27 Roger Sayle <roger@eyesopen.com>
6704 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
6705 cast BIT_NOT_EXPR operand to the correct type.
6707 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
6709 * tree-loop-linear.c: Don't include varray.h.
6710 (gather_interchange_stats, try_interchange_loops,
6711 linear_transform_loops): Use VEC instead of VARRAY.
6712 * lambda-mat.c: Don't include varray.h.
6713 * tree-chrec.c: Same.
6714 * lambda-trans.c: Same.
6715 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
6716 VEC instead of VARRAY.
6717 * tree-vectorizer.h: Idem.
6718 * tree-data-ref.c (dump_data_references,
6719 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
6720 initialize_data_dependence_relation, finalize_ddr_dependent,
6721 compute_all_dependences, find_data_references_in_loop,
6722 compute_data_dependences_for_loop, analyze_all_data_dependences,
6723 free_dependence_relation, free_dependence_relations,
6724 free_data_refs): Idem.
6725 * tree-data-ref.h (data_reference_p, subscript_p): New.
6726 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
6727 VEC instead of VARRAY.
6728 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
6729 (find_data_references_in_loop, compute_data_dependences_for_loop,
6730 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
6731 dump_data_dependence_relations, free_dependence_relations,
6732 free_data_refs): Adjust declaration.
6733 (lambda_transform_legal_p): Move declaration here...
6734 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
6735 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
6736 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
6737 vect_analyze_data_refs): Use VEC instead of VARRAY.
6738 * lambda.h (lambda_transform_legal_p): ...from here.
6739 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
6740 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
6741 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
6742 tree-chrec.o): Don't depend on VARRAY_H.
6744 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6746 * rtl.def (Copyright): Update date.
6747 (DEPS_LIST): Change type of the second operand to 'int'.
6748 * target.h (Copyright): Update date.
6749 (struct gcc_target.speculate_insn): Change type of the second parameter
6751 * lists.c (Copyright): Update date.
6752 (alloc_DEPS_LIST): Change signature. Update reference to the second
6753 operand of the DEPS_LIST.
6754 (copy_DEPS_LIST_list): Update reference to the second operand of the
6756 * rtl.h (Copyright): Update date.
6757 (alloc_DEPS_LIST): Update signature.
6758 * sched-int.h (Copyright): Update date.
6759 (ds_t): Change typedef to 'int'.
6760 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6762 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6764 * haifa-sched.c (Copyright): Update date.
6765 (try_ready): Change condition to restore non-speculative pattern
6767 (process_insn_depend_be_in_spec): Code to keep probability of the
6768 speculative dependence non-decreasing.
6770 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
6772 * regrename.c (replace_oldest_value_addr): Initialize a variable to
6773 shut up the compiler.
6775 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
6777 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
6778 to use lib prefix for target.
6779 ($(T)libic_invalidate_array_4-200.a): Likewise.
6780 ($(T)libic_invalidate_array_4a.a): Likewise.
6782 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
6783 J"orn Rennecke <joern.rennecke@st.com>
6785 * superh.opt: New file.
6786 * sh.c (boardtype, osruntime): Remove.
6787 * superh.h (SUBTARGET_OPTIONS): Remove.
6788 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
6790 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
6791 arguments with ^ and/or [].
6793 * config.gcc (sh-*-*): Add quoting to account for quirk of
6795 Replace == with = in enable_incomplete_targets test.
6797 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
6798 with MASK_LITTLE_ENDIAN.
6800 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
6801 * config/sh/sh.opt: Added to some comments.
6802 * config/sh/superh.h: Removed some chaff.
6804 * config/sh/sh.opt: Add m4-[1234]00* options.
6805 * config/sh/sh.c (sh_handle_option): Likewise.
6806 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
6807 (ic_invalidate_array_4-100.o): New rule.
6808 ($(T)libic_invalidate_array_4-100.a): Likewise.
6809 (ic_invalidate_array_4-200.o): Likewise.
6810 ($(T)libic_invalidate_array_4-200.a): Likewise.
6811 (ic_invalidate_array_4a.o): Likewise.
6812 ($(T)libic_invalidate_array_4a.a): Likewise.
6813 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
6814 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
6816 * config/sh/crt1.asm: Merged in profiling code.
6817 * config/sh/superh.h (STARTFILE_SPEC): Override.
6818 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
6819 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
6820 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
6822 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
6823 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
6824 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
6826 * sh.opt (mpretend-cmove): New option.
6827 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
6828 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
6829 (movsicc): Add TARGET_PRETEND_CMOVE code.
6831 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
6833 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
6834 s390_class_max_nregs): New function prototypes.
6835 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
6836 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
6837 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
6838 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
6840 2006-03-26 Geoffrey Keating <geoffk@apple.com>
6842 * dwarf2out.c (add_location_or_const_value_attribute): Call
6843 tree_add_const_value_attribute if nothing else works.
6844 (reference_to_unused): New.
6845 (rtl_for_decl_init): Use reference_to_unused to decide whether
6846 to output an initializer.
6848 2006-03-27 Alan Modra <amodra@bigpond.net.au>
6851 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
6852 peephole removing spe frob_di_df_2.
6854 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
6856 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
6857 (subscript_dependence_tester_1): Declared.
6858 (print_dir_vectors, print_dist_vectors): New.
6859 (debug_data_dependence_relation): New.
6860 (dump_data_dependence_relation): Print more details.
6861 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
6862 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
6863 (save_dist_v, save_dir_v, add_outer_distances,
6864 build_classic_dist_vector_1): New.
6865 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
6866 Don't test for lambda_vector_lexico_pos.
6867 (same_access_functions, add_multivariate_self_dist,
6868 add_other_self_distances, dir_from_dist): New.
6869 (build_classic_dir_vector): Replace implementation almost identical to
6870 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
6872 (subscript_dependence_tester_1): New.
6873 (subscript_dependence_tester): Handle the lexicographically negative
6874 distance vectors by recomputing the dependence relation.
6875 (compute_affine_dependence): Remove parameter loop_nest_depth.
6876 (compute_self_dependence): Don't call compute_subscript_distance.
6877 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
6878 Add a parameter for the loop_nest.
6879 (find_loop_nest_1, find_loop_nest): New.
6880 (compute_data_dependences_for_loop): Compute the loop nest, and give
6881 up if the nest is not well formed.
6882 * tree-data-ref.h (loop_p): New.
6883 (struct data_dependence_relation): Replace size_vect field with
6884 loop_nest, a vec of loops.
6885 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
6886 (DDR_LOOP_NEST): New.
6887 (print_dir_vectors, print_dist_vectors,
6888 debug_data_dependence_relation): Declared.
6889 (index_in_loop_nest): New.
6890 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
6891 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
6894 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
6896 * simplify-rtx.c (simplify_relational_operation): Call
6897 simplify_relational_operation_1 even if mode is VOIDmode.
6899 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
6901 PR tree-optimization/26804
6902 * tree.h (DECL_CALL_CLOBBERED): New macro.
6903 (tree_decl_common): Add call_clobbered_flag.
6904 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
6905 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
6906 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
6907 (mark_non_addressable): Ditto.
6908 * tree-ssa.c (verify_call_clobbered): New function.
6909 (verify_alias_info): Use it.
6910 * tree-pass.h (pass_reset_cc_flags): New prototype.
6911 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
6912 (reset_cc_flags): New function.
6913 * passes.c (init_optimization_passes): Call reset_cc_flags after
6914 initializing referenced_vars.
6916 2006-03-25 Uros Bizjak <uros@kss-loka.si>
6917 Roger Sayle <roger@eyesopen.com>
6920 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
6921 to 1.0 for non-real operands. Implement A / A optimization for
6924 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
6926 * config/i386/i386.c (size_cost): Correct the comment for
6927 cost of storing fp registers.
6928 (i386_cost): Likewise.
6929 (i486_cost): Likewise.
6930 (pentium_cost): Likewise.
6931 (pentiumpro_cost): Likewise.
6932 (k6_cost): Likewise.
6933 (athlon_cost): Likewise.
6934 (k8_cost): Likewise.
6935 (pentium4_cost): Likewise.
6936 (nocona_cost): Likewise.
6937 (generic64_cost): Likewise.
6938 (generic32_cost): Likewise.
6940 2006-03-24 Denis Chertykov <denisc@overta.ru>
6942 * config/avr/avr-protos.h (extra_constraint): Delete.
6943 (extra_constraint_Q): New declaration.
6944 * config/avr/constraints.md: New file.
6945 * config/avr/avr.md: Include it.
6946 (REG_X, REG_Y, REG_Z, REG_W): New constants.
6947 (TMP_REGNO, ZERO_REGNO): Likewise.
6948 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
6949 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
6950 (extra_constraint): Delete.
6951 (extra_constraint_Q): Test for memory constraint 'Q'.
6952 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
6953 (REG_CLASS_FROM_LETTER): Delete.
6954 (CONST_OK_FOR_LETTER_P): Delete.
6955 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6956 (EXTRA_CONSTRAINT): Delete.
6957 (TMP_REGNO): Delete.
6958 (ZERO_REGNO): Delete.
6960 2006-03-24 Jeff Law <law@redhat.com>
6962 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
6963 directly. Call mark_new_vars_to_rename slightly earlier.
6965 2006-03-24 Geoffrey Keating <geoffk@apple.com>
6967 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
6969 (gen_compile_unit_die): Use new language types for Objective-C and
6971 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
6972 DW_LANG_C_plus_plus.
6975 * config/t-darwin (crt3.o): Work around bug 26840.
6976 * config/darwin-crt3.c: Rewrite.
6977 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
6979 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
6981 * doc/invoke.texi: Document -femit-class-debug-always
6982 * common.opt: Add -femit-class-debug-always.
6984 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
6986 * config/s390/s390.c (s390_decompose_address): Allow SImode for
6987 index and base register.
6988 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
6989 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
6990 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
6991 REGNO_OK_FOR_INDEX_P.
6992 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
6994 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
6995 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
6996 REG_OK_FOR_BASE_P): Definitions removed.
6998 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7001 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7002 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7003 set yet or weren't marked as local yet.
7005 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7007 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7010 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7012 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7013 (rs6000_legitimate_small_data_p): Delete.
7014 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7015 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7016 and make static. Add forward declaration. Update uses.
7017 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7018 of offsettable_memref_p.
7019 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7020 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7022 2006-03-24 Jeff Law <law@redhat.com>
7024 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7025 around bug in immediate-use iterator.
7027 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7030 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7031 or __LITTLE_ENDIAN__.
7033 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7035 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7036 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7037 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7038 * config/sh/sh.opt (mdiv=): Amend description.
7039 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7040 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7041 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7042 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7043 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7044 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7045 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7046 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7047 TARGET_DIVIDE_CALL_FP.
7049 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7051 * haifa-sched.c (choose_ready): Fix type of the local variable.
7052 Move local variables. Add comment.
7053 (check_reg_live): Change signature. Make callable from debugger.
7054 * sched-int.h (check_reg_live): Update signature.
7055 * sched-ebb.c (check_reg_live): Update parameters.
7056 * sched-rgn.c (check_reg_live): Ditto.
7057 (region_head_or_leaf_p): Check pointer before dereferencing.
7058 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7059 before reload on optimization levels below 1.
7061 2006-03-23 Richard Henderson <rth@redhat.com>
7063 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7067 * config/alpha/predicates.md (local_symbolic_operand): Reject
7070 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7073 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7074 expressions which have overflowed constants.
7076 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7078 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7080 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7082 * cfgloopmanip.c (create_loop_notes): Removed.
7083 * final.c (final_scan_insn): Do not handle loop notes.
7084 * jump.c (squeeze_notes): Ditto.
7085 * cfglayout.c (skip_insns_after_block,
7086 duplicate_insn_chain): Ditto.
7087 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7089 * cfgloop.h (create_loop_notes): Declaration removed.
7091 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7093 * varasm.c (output_constant_pool): Restore fnname and fndecl
7095 (assemble_start_function): Adjust call accordingly.
7096 (assemble_end_function): Likewise.
7098 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7101 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7104 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7106 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7109 * system.h (ICE_EXIT_CODE): New macro.
7110 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7111 (diagnostic_action_after_output): Likewise.
7112 * gcc.c (fatal_ice): New function.
7113 (execute): Use it instead of fatal.
7114 (fancy_abort): Likewise.
7115 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7117 2006-03-22 Jeff Law <law@redhat.com>
7119 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7120 iv_analyze_result returning false.
7122 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7124 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7126 2006-03-22 Richard Henderson <rth@redhat.com>
7129 * except.c (duplicate_eh_regions_0): New.
7130 (duplicate_eh_region_1): Duplicate the children of the node as
7131 well as the node itself. Link them up properly.
7132 (duplicate_eh_region_2): Merge into ...
7133 (duplicate_eh_regions): ... here. Take copy_region argument, and
7134 copy only a sub-tree if asked. Simplify copying and fixup.
7135 (eh_region_outer_p): New.
7136 * except.h (duplicate_eh_regions): Update decl.
7137 (eh_region_outer_p): Declare.
7138 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7139 (lower_omp_master): Likewise.
7140 (lower_omp_ordered): Likewise.
7141 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7142 (move_stmt_r): Use it to remap labels. Handle recursion vs
7143 remap_decls_p properly.
7144 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7145 (find_outermost_region_in_block): New.
7146 (new_label_mapper): New.
7147 (move_sese_region_to_fn): Copy eh information to the new function
7149 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7151 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7154 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7156 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7157 into shared libraries.
7159 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7161 * doc/md.texi: Refer to i386/constraints.md instead of
7163 * config/i386/constraints.md: New file, extracted from...
7164 * config/i386/predicates.md: ...here.
7165 * config/i386/i386.md: Include constraints.md.
7167 2006-03-21 Jason Merrill <jason@redhat.com>
7169 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7172 * expr.c (init_block_move_fn): Force default visibility.
7173 (init_block_clear_fn): Likewise.
7174 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7175 * targhooks.c (default_external_stack_protect_fail): Likewise.
7177 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7179 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7180 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7181 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7182 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7183 (loadgp): Use mips_current_loadgp_style.
7184 (loadgp_noshared): New pattern.
7185 (sibcall_internal): Use MIPS_CALL.
7186 (sibcall_value_internal): Likewise.
7187 (sibcall_value_multiple_internal): Likewise.
7188 (call_internal): Likewise.
7189 (call_value_internal): Likewise.
7190 (call_value_multiple_internal): Likewise.
7191 (call_split): Use MIPS_CALL and add an 'S' constraint.
7192 (call_value_split): Likewise.
7193 (call_value_multiple_split): Likewise.
7194 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7195 (-mshared): New option.
7196 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7197 (mips_current_loadgp_style): Declare.
7198 * config/mips/mips.c (mips_classify_symbol): Avoid using
7199 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7200 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7201 TARGET_ABSOLUTE_ABICALLS.
7202 (override_options): Adjust comments. Improve the warning that is
7203 issued when -mabicalls and -G are used together.
7204 (mips_file_start): Remove comment.
7205 (mips_current_loadgp_style): New function.
7206 (mips_gnu_local_gp): New variable.
7207 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7209 (mips_output_function_prologue): Use mips_current_laodgp_style.
7210 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7211 the cprestore instruction.
7212 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7213 live for TARGET_ABSOLUTE_ABICALLS.
7214 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7215 (ASM_SPEC): Pass down -mshared and -mno-shared.
7216 (MIPS_CALL): New macro.
7217 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7219 * doc/invoke.texi (-mabicalls): Update documentation.
7220 (-mshared): Document.
7222 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7224 * config/ia64/unwind-hpux.c: New file.
7225 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7227 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7230 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7232 2006-03-21 Jeff Law <law@redhat.com>
7234 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7235 type conversions of a VR_VARYING source to a wider type.
7237 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7239 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7240 tm_file on Solaris 10 and later.
7241 (sparc64-*-solaris2*): Likewise.
7242 (sparc-*-solaris2*): Likewise.
7243 * config/sol26.h: Rename to config/sol2-6.h.
7244 * config/sol2-10.h: New file.
7246 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7249 * tree-ssa-pre.c (create_component_ref_by_pieces):
7252 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7255 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7256 return it immediately.
7258 2006-03-21 Michael Matz <matz@suse.de>
7260 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7262 (remove_arc, add_arc): Update num_out_arcs member.
7263 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7265 (cache_presence): New function.
7266 (compare_states_for_equiv): New function.
7267 (state_is_differed): Don't take number of outargs, adjust callers.
7268 Use new invariant for speeding up.
7269 (init_equiv_class): Create initial classes based on sorted
7271 (partition_equiv_class): Don't track out_arcs_num.
7272 (evaluate_equiv_classes): Call cache_presence on all states and
7275 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7277 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7278 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7279 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7280 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7282 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7283 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7284 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7285 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7286 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7288 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7289 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7290 (REGNO_REG_CLASS): ARGP is in PREGS.
7291 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7293 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7294 to deal with those addresses.
7295 * addresses.h: New file.
7296 * caller-save.c: Include "addresses.h".
7297 (init_caller_save): Use new base_reg_class function.
7298 * rtl-factoring.c: Include "addresses.h".
7299 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7300 * recog.c: Include "addresses.h".
7301 (preprocess_constraints): Use new base_reg_class function.
7302 * regrename.c: Include "addresses.h".
7303 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7304 functions. Keep track of a new var INDEX_CODE to compute valid
7306 (replace_oldest_value_addr): Likewise.
7307 (replace_oldest_value_mem): Use base_reg_class.
7308 * reload.c: Include "addresses.h".
7309 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7310 (find_reloads): Use new base_reg_class function.
7311 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7312 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7313 all callers and prototype changed.
7314 * reload1.c: Include "addresses.h".
7315 (maybe_fix_stack_asms): Use base_reg_class.
7316 * regclass.c: Include "addresses.h".
7317 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7318 (init_reg_autoinc): Use new base_reg_class function.
7319 (record_reg_classes): Likewise.
7320 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7321 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7322 Use new args to compute necessary class.
7324 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7325 regrename.o, rtl-factoring.o): Update dependencies.
7326 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7327 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7328 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7329 REG_OK_FOR_INDEX_P): Delete documentation.
7331 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7333 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7334 from V7 to V9 for Solaris 7 and above.
7336 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7338 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7339 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7340 argument pointers may not alias any other storage.
7341 * common.opt: Define option -fargument-noalias-anything.
7342 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7343 alias semantics is specified by flag_argument_noalias > 2.
7345 2006-03-20 Jeff Law <law@redhat.com>
7347 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7348 (pass_phi_only_cprop): Declare.
7349 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7351 * tree-ssa-dom.c (degenerate_phi_result): New function.
7352 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7353 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7354 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7355 (eliminate_degenerate_phis): Likewise.
7356 (pass_phi_only_cprop): New pass descriptor.
7357 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7358 support code. Callers updated.
7359 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7360 (store_copy_prop): Likewise.
7361 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7363 2006-03-20 Jason Merrill <jason@redhat.com>
7366 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7367 (push_visibility, pop_visibility): Likewise.
7368 * c-pragma.h: Declare them.
7370 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7372 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7374 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7375 parameter and use get_ebb_head_tail.
7376 (sh_md_init_global): Adjust uses of find_regmode_weight.
7378 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7380 * function.h (struct function) <x_tail_recursion_reentry>:
7381 Rename to x_stack_check_probe_note.
7382 (tail_recursion_reentry): Rename to stack_check_probe_note.
7383 * function.c: Replace tail_recursion_reentry with
7384 stack_check_probe_note everywhere.
7385 (expand_function_start): Only emit a note for
7386 stack_check_probe_note with -fstack-protect.
7387 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7389 * emit-rtl.c (remove_unnecessary_notes): Remove.
7390 (pass_remove_unnecessary_notes): Remove.
7391 * rtl.h (remove_unnecessary_notes): Remove prototype.
7392 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7393 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7394 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7396 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7399 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7400 (valid_in_set): Handle ARRAY_REF.
7401 Change "if min_variant or VH" to asserts.
7402 (create_component_ref_by_pieces): Handle ARRAY_REF.
7403 (create_expression_by_pieces): Likewise.
7404 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7406 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7408 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7409 is operand of switch, not str[0].
7411 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7413 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7414 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7416 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7418 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7419 end of insn_extra_address_constraint declaration.
7421 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7423 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7424 (no-sum-in-toc): Same.
7425 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7427 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7428 NO_FP_IN_TOC for -fPIC instead of mask.
7430 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7431 (BOOT_LDFLAGS): Delete.
7433 * config/rs6000/t-aix52: Same.
7435 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7436 (stmsi[345678]_power): New.
7438 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7440 * config/ia64/ia64.opt: Add empty line to end of file.
7442 2006-03-17 Richard Guenther <rguenther@suse.de>
7445 * builtins.c (get_pointer_alignment): For component style references
7446 adjust alignment to the component type alignment. Make sure
7447 to adjust alignment for component access of constants.
7449 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7451 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7454 2006-03-17 Paul Brook <paul@codesourcery.com>
7456 * doc/install.texi: Docuemnt --with-mode.
7457 * config.gcc: Add --with-mode for arm*-*-*.
7458 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7460 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7462 * sh.c (max_labelno_before_reorg): New variable.
7463 (sh_reorg): Initialize it.
7464 (find_barrier): Check max_labelno_before_reorg before using
7465 label_to_alignment. Take length of explicit alignment insns
7466 into account. When seeing a UNSPECV_CONST_END, return it.
7468 * sh.c (fixup_mova): Set mode of affected label to QImode.
7469 (untangle_mova): New function.
7470 (find_barrier): Use it. Check mode of label before decrementing
7472 (sh_reorg): Likewise.
7473 Set mode of all insns back to VOIDmode.
7475 * sh.c (MOVA_LABELREF): New macro.
7476 (mova_p, fixup_mova, sh_reorg): Use it.
7477 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7478 ADDR_DIFF_VEC matches mova.
7480 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7482 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7483 with ATTRIBUTE_UNUSED.
7485 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7487 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7488 pointer, instead of assuming it is possible to derive the
7489 correct args size from a call insn.
7491 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7493 * rtl.h (CONST_INT_P): Define.
7494 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7495 instead of GET_CODE(x) == CONST_INT.
7496 (vax_rtx_costs): Likewise.
7497 (vax_output_int_move): Likewise.
7498 (vax_output_int_add): Likewise.
7499 (legitimate_constant_address_p): Likewise.
7500 (index_term_p): Likewise.
7501 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7502 * config/vax/vax.md (and<mode>3): Likewise.
7503 (ashrsi3): Likewise.
7505 (movstricthi): Likewise.
7506 (movstrictqi): Likewise.
7507 (rotrsi3): Likewise.
7508 (five unnamed insns): Likewise.
7510 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7512 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7513 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7514 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7515 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7516 Pass to ASM_OUTPUT_DWARF_OFFSET.
7517 * dwarf2out.c (debug_frame_section): New.
7518 (output_call_frame_info): Use debug_frame_section. Pass it to
7519 dw2_asm_output_offset.
7520 (output_die): Pass appropriate section to dw2_asm_output_offset.
7521 (output_compilation_unit_header): Likewise.
7522 (output_pubnames): Likewise.
7523 (output_aranges): Likewise.
7524 (enum dw_val_class): Break dw_val_class_lbl_offset into
7525 dw_val_class_lineptr and dw_val_class_macptr.
7526 (add_AT_lbl_offset): Delete.
7527 (add_AT_lineptr): New.
7528 (add_AT_macptr): New.
7529 (AT_lbl): Expect a lineptr or macptr.
7530 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7531 (attr_checksum): Likewise.
7532 (same_dw_val_p): Likewise.
7533 (size_of_die): Likewise.
7534 (value_format): Likewise.
7535 (output_die): Likewise.
7536 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7538 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7539 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7540 * config/darwin-protos.h (darwin_file_start): New.
7541 (darwin_asm_output_dwarf_offset): New.
7542 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7543 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7545 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7546 if not EH section; simplify.
7547 (darwin_file_start): New.
7548 (darwin_asm_output_dwarf_offset): New.
7549 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7551 (DEBUG_INFO_SECTION): Likewise.
7552 (DEBUG_ABBREV_SECTION): Likewise.
7553 (DEBUG_ARANGES_SECTION): Likewise.
7554 (DEBUG_MACINFO_SECTION): Likewise.
7555 (DEBUG_LINE_SECTION): Likewise.
7556 (DEBUG_LOC_SECTION): Likewise.
7557 (DEBUG_PUBNAMES_SECTION): Likewise.
7558 (DEBUG_STR_SECTION): Likewise.
7559 (DEBUG_RANGES_SECTION): Likewise.
7560 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7561 (ASM_OUTPUT_DWARF_OFFSET): New.
7563 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7565 * config.gcc (tm_defines): Always add to previous value rather
7568 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7570 * config/mips/predicates.md (splittable_const_int_operand): New,
7571 split from move_operand.
7572 (splittable_symbolic_operand): New.
7573 (move_operand): Add commentary. Use splittable_const_int_operand.
7574 Inline mips_atomic_symbolic_constant_p.
7575 * config/mips/mips.md: Add combine splitters for handling moves
7576 of splittable_const_int_operands and splittable_symbolic_operands.
7577 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7578 (mips_split_symbol): Declare.
7579 (mips_move_integer): Declare.
7580 * config/mips/mips.c (mips_split_p): Make global.
7581 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7582 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7583 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7584 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7585 (mips_offset_within_object_p): Handle block symbols.
7586 (mips_atomic_symbolic_constant_p): Delete.
7587 (mips_cannot_force_const_mem): Return false for constants that
7588 mips_legitimize_move can handle.
7589 (mips_use_blocks_for_constant_p): New function.
7590 (mips_split_symbol): Make global.
7591 (mips_move_integer): Likewise. Add a temporary register argument.
7592 (mips_legitimize_const_move): Use splittable_const_int_operand and
7593 splittable_symbolic_operand.
7594 (mips_use_anchors_for_symbol_p): New function.
7595 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7596 (mips_split_p): Declare.
7598 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7600 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7601 (mips*-*-linux*): Likewise.
7603 2006-03-16 Roger Sayle <roger@eyesopen.com>
7604 Daniel Speyer <dspeyer@wam.umd.edu>
7607 * tree-dump.c (dump_real): New function.
7608 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7609 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7610 (tree-dump.o): Add $(REAL_H) to the dependencies.
7612 2006-03-16 Roger Sayle <roger@eyesopen.com>
7615 * real.c (real_from_string): If the mantissa is zero, don't bother
7616 parsing the exponent as the result should always be zero.
7618 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7620 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7622 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7624 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7625 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7626 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7627 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7628 ia64_sched_finish_global): New static functions to implement
7629 hooks from gcc_target.sched.
7630 (spec_check_no, max_uid, pending_data_specs): New static variables.
7631 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7632 ia64_spec_check_src_p): New static functions.
7633 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7634 (TARGET_SCHED_ADJUST_COST): Removed.
7635 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7636 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7637 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7638 TARGET_SCHED_GEN_CHECK,
7639 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7640 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
7641 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
7642 Fixed to handle speculation checks.
7643 (rtx_needs_barrier): Fixed to handle speculative loads and
7645 (ia64_variable_issue): Added code to count speculative loads and their
7647 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
7649 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
7651 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
7653 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
7654 (ia64_reorg): Reset stops_p to NULL after it is freed.
7655 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
7656 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
7657 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
7659 (data_speculative, control_speculative, check_load): New attributes.
7660 (mov<mode>_advanced, mov<mode>_speculative,
7661 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
7662 zero_extend<mode>di2_speculative,
7663 zero_extend<mode>di2_speculative_advanced): New patterns for
7664 data and control speculative loads.
7665 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
7667 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
7668 New pattern for data and control speculation checks.
7669 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
7670 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
7671 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
7672 Auxiliary definitions for the patterns.
7673 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
7674 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
7676 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
7678 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
7679 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
7680 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
7681 New resource constraints.
7682 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
7684 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
7685 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
7686 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7687 msched-in-control-spec, msched-ldc, msched-control-ldc,
7688 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7689 msched-prefer-non-control-spec-insns,
7690 msched-count-spec-in-critical-path): New flags to tune speculative
7692 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
7693 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
7694 msched-in-control-spec, msched-ldc, msched-control-ldc,
7695 msched-spec-verbose, msched-prefer-non-data-spec-insns,
7696 msched-prefer-non-control-spec-insns,
7697 msched-count-spec-in-critical-path): Document new flags.
7699 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7701 * target.h (struct spec_info_def): New opaque declaration.
7702 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
7703 speculate_insn, needs_block_p, gen_check,
7704 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
7705 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
7706 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
7707 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
7708 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7709 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
7711 (TARGET_SCHED): Use new macros.
7712 * rtl.h (copy_DEPS_LIST_list): New prototype.
7713 * sched-int.h (struct sched_info): Change signature of new_ready field,
7714 adjust all initializations. New fields: add_remove_insn,
7715 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
7716 region_head_or_leaf_p.
7717 (struct spec_info_def): New structure declaration.
7718 (spec_info_t): New typedef.
7719 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
7720 recovery_block, orig_pat.
7721 (glat_start, glat_end): New variables declaraions.
7722 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
7724 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
7725 DETACH_LIFE_INFO, USE_GLAT.
7726 (enum SPEC_SCHED_FLAGS): New enumeration.
7727 (NOTE_NOTE_BB_P): New macro.
7728 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
7729 attach_life_info, debug_spec_status, check_reg_live): New functions.
7730 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
7731 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
7733 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
7734 * ddg.c (get_block_head_tail): Adjust all uses.
7735 * modulo-sched.c (get_block_head_tail): Adjust all uses.
7736 (sms_sched_info): Initialize new fields.
7737 (contributes_to_priority): Removed.
7738 * haifa-sched.c (params.h): New include.
7739 (get_block_head_tail): Adjust all uses.
7740 (ISSUE_POINTS): New macro.
7741 (glat_start, glat_end): New global variables.
7742 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
7743 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
7744 old_last_basic_block, before_recovery, current_sched_info_var,
7745 rgn_n_insns, luid): New static variables.
7746 (insn_cost1): New function. Move logic from insn_cost to here.
7747 (find_insn_reg_weight1): New function. Move logic from
7748 find_insn_reg_weight to here.
7749 (reemit_notes, move_insn, max_issue): Change signature.
7750 (move_insn1): Removed.
7751 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
7752 extend_bb): New static functions to support extension of scheduler's
7754 (generate_recovery_code, process_insn_depend_be_in_spec,
7755 begin_speculative_block, add_to_speculative_block,
7756 init_before_recovery, create_recovery_block, create_check_block_twin,
7757 fix_recovery_deps): New static functions to support
7758 generation of recovery code.
7759 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
7760 restore_bb_notes, move_block_after_check, move_succs): New static
7761 functions to support ebb scheduling.
7762 (init_glat, init_glat1, attach_life_info1, free_glat): New static
7763 functions to support handling of register live information.
7764 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
7765 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
7766 add_jump_dependencies): New static functions.
7767 (check_cfg, has_edge_p, check_sched_flags): New static functions for
7768 consistancy checking.
7769 (debug_spec_status): New function to call from debugger.
7770 (priority): Added code to handle speculation checks.
7771 (rank_for_schedule): Added code to distinguish speculative instructions.
7772 (schedule_insn): Added code to handle speculation checks.
7773 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
7774 Fixed to handle ebbs.
7775 (move_insn): Added code to handle ebb scheduling.
7776 (max_issue): Added code to use ISSUE_POINTS of instructions.
7777 (choose_ready): Added code to choose between speculative and
7778 non-speculative instructions.
7779 (schedule_block): Added code to handle ebb scheduling and scheduling of
7780 speculative instructions.
7781 (sched_init): Initialize new variables.
7782 (sched_finish): Free new variables. Print statistics.
7783 (try_ready): Added code to handle speculative instructions.
7784 * lists.c (copy_DEPS_LIST_list): New function.
7785 * sched-deps.c (extend_dependency_caches): New function. Move logic
7786 from create_dependency_caches to here.
7787 (get_dep_weak, ds_merge): Make global.
7788 * genattr.c (main): Code to output prototype for
7789 dfa_clear_single_insn_cache.
7790 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
7791 (output_dfa_clean_insn_cache_func): Code to output
7792 dfa_clear_single_insn_cache function.
7793 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
7795 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
7797 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
7798 New static variables.
7799 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
7800 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
7802 (ebb_sched_info): Initialize new fields.
7803 (get_block_head_tail): Adjust all uses.
7804 (compute_jump_reg_dependencies): Fixed to use glat_start.
7805 (schedule_ebb): Code to remove unreachable last block.
7806 (schedule_ebbs): Added code to update register live information.
7807 * sched-rgn.c (region_sched_info): Initialize new fields.
7808 (get_block_head_tail): Adjust all uses.
7809 (last_was_jump): Removed. Adjust users.
7810 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
7811 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
7812 Implement new hooks.
7813 (check_dead_notes1): New static function.
7814 (struct region): New fields: dont_calc_deps, has_real_ebb.
7815 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
7816 (BB_TO_BLOCK): Fixed to handle EBBs.
7817 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
7818 (ebb_head): New static variable.
7819 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
7820 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
7822 (compute_dom_prob_ps): New assertion.
7823 (check_live_1, update_live_1): Fixed to work with glat_start instead of
7824 global_live_at_start.
7825 (init_ready_list): New assertions.
7826 (can_schedule_ready_p): Split update code to begin_schedule_ready.
7827 (new_ready): Add support for BEGIN_CONTROL speculation.
7828 (schedule_insns): Fixed code that updates register live information
7830 (schedule_region): Fixed to handle EBBs.
7831 (init_regions): Use extend_regions and check_dead_notes1.
7832 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
7833 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
7834 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
7835 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7836 TARGET_SCHED_GEN_CHECK,
7837 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
7838 TARGET_SCHED_SET_SCHED_FLAGS): Document.
7839 * doc/invoke.texi (max-sched-insn-conflict-delay,
7840 sched-spec-prob-cutoff): Document.
7842 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7844 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
7845 inter_tick, queue_index.
7846 (struct sched_info): Change signature of init_ready_list field.
7847 Adjust all initializations.
7848 (RESOLVED_DEPS): New access macro.
7849 (ready_add): Remove prototype.
7850 (try_ready): Add prototype.
7851 * sched-rgn.c (init_ready_list): Use try_ready.
7852 (schedule_region): Initialize
7853 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
7854 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
7855 (init_ready_list): Use try_ready.
7856 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
7857 * lists.c (remove_list_elem): Remove `static'.
7858 (remove_free_INSN_LIST_elem): New function.
7859 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
7860 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
7861 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
7863 (readyp): New variable.
7864 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
7865 change_queue_index, resolve_dep): New static functions.
7866 (try_ready): New function. Adjust callers in sched-rgn.c and
7867 sched-ebb.c to use it instead of ready_add.
7868 (clock_var): Move at the begining of file.
7869 (rank_for_schedule): Fix typo.
7870 (queue_insn): Add assertion. Handle QUEUE_INDEX.
7871 (ready_lastpos): Enforce assertion.
7872 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
7874 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
7875 (schedule_insn): Rewrite to use try_ready and resolve_dep.
7876 (queue_to_ready): Use free_INSN_LIST_list.
7877 (early_queue_to_ready): Fix typo.
7878 (schedule_block): Init readyp. Move init_ready_list call after the
7879 initialization of clock_var. Fix error in rejecting insn by
7880 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
7881 that previously corrected INSN_TICKs. Add code for handling
7883 (set_priorities): Fix typo.
7884 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
7885 Clarify comment and code that keeps current_sched_info->next_tail
7888 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7890 * sched-rgn.c (extend_rgns): New static function.
7891 (find_rgns): Use it.
7892 (gather_region_statistics, print_region_statistics): New static
7894 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
7895 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7897 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7898 Andrey Belevantsev <abel@ispras.ru>
7900 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
7901 * lists.c (unused_deps_list): New variable.
7902 (free_list): Add assertions to verify the proper distinguishing
7903 between INSN_LISTs and DEPS_LISTs.
7904 (find_list_elem, remove_list_elem, remove_list_node): New static
7906 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
7907 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
7908 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
7909 (alloc_INSN_LIST): Assert that the list we're working on is indeed
7911 (free_INSN_LIST_node): Likewise.
7912 * modulo-sched.c (current_sched_info): Initialize flags field.
7913 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
7914 * rtl.def (DEPS_LIST): Define.
7915 * rtl.h: Declare new functions from lists.c.
7916 * sched-deps.c (spec_dependency_cache): New static variable.
7917 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
7918 (add_dependence): Change return type to void. Move the logic to ...
7919 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
7920 (delete_all_dependences): Add comment about forward_dependency_cache.
7921 Handle spec_dependency_cache. Handle DEPS_LISTs.
7922 (fixup_sched_groups): Clarify the change of priority of output
7923 and anti dependencies.
7924 (sched_analyze_2): Adjust add_dependence calls to create data
7925 speculative dependence.
7926 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
7927 Adjust all callers. Handle DEPS_LISTS.
7928 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
7929 presence of speculation.
7930 (init_dependency_caches, free_dependency_caches):
7931 Handle spec_dependency_cache.
7932 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
7933 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
7934 New static functions.
7935 (add_or_update_back_dep, add_or_update_back_forw_dep,
7936 add_back_forw_dep, delete_back_forw_dep): New functions.
7937 * sched-int.h (ds_t, dw_t): New typedefs.
7938 (struct sched_info): Add new field flags.
7939 (struct haifa_insn_data): Add new bitfield has_internal_dep.
7940 Prototype new sched-deps.c functions.
7941 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
7942 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
7943 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
7944 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
7945 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
7946 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
7948 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
7950 * sched-rgn.c (current_sched_info): Initialize flags field.
7951 (schedule_insns): Initialize current_sched_info before the sched_init
7953 * sched-ebb.c (current_sched_info): Initialize flags field.
7954 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
7955 Call add_or_update_back_dep instead of add_dependence.
7956 Create control speculative dependencies.
7957 (schedule_insns): Initialize current_sched_info before the sched_init
7960 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
7962 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
7964 (sh_fallback_frame_state): Likewise.
7966 2006-03-15 Geoffrey Keating <geoffk@apple.com>
7968 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
7969 Do switch on default_use_cxa_atexit.
7970 (powerpc*-*-darwin*): Build crt2.o on powerpc.
7971 * config/darwin-crt3.o: New.
7972 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
7973 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
7974 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
7976 * config/rs6000/t-darwin: Move crt2.o building to here.
7977 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
7978 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
7981 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7983 * config/vax/vax.c (nonindexed_address_p): Change logical negation
7984 from '! xxx' to '!xxx' for coding-style conformance.
7985 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
7986 (EXTRA_CONSTRAINT): Likewise.
7987 * config/vax/vax.md (four unnamed insns): Likewise.
7989 2006-03-15 Paul Brook <paul@codesourcery.com>
7991 * config/arm/arm.c (minipool_pad): New.
7992 (add_minipool_forward_ref): Include pool alignment padding in address
7994 (push_minipool_fix): Set minipool_pad.
7995 (minipool_pad): Ditto.
7997 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7999 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8000 instead of GET_CODE() == MEM and REG_P() instead of
8002 (print_operand_address): Likewise.
8003 (vax_address_cost): Likewise.
8004 (vax_rtx_costs): Likewise.
8005 (vax_notice_update_cc): Likewise.
8006 (vax_output_int_add): Likewise.
8007 (INDEX_REGISTER_P): Likewise.
8008 (BASE_REGISTER_P): Likewise.
8009 (nonindexed_address_p): Likewise.
8010 (vax_mode_dependent_address_p): Likewise.
8011 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8012 (PRINT_OPERAND): Likewise.
8013 * config/vax/vax.md (ashlsi3): Likewise.
8014 (ashlsi3): Likewise.
8015 (some more unnamed insns): Likewise.
8017 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8019 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8020 iterator-style macro.
8021 (mark_control_dependent_edges_necessary): Update the use of
8022 EXECUTE_IF_CONTROL_DEPENDENT.
8024 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8026 * config/sh/predicates.md (cache_address_operand): Special.
8027 (ua_address_operand): Likewise.
8029 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8031 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8033 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8035 2006-03-15 Andreas Schwab <schwab@suse.de>
8037 * gensupport.c (identify_predicable_attribute): Don't free p_false
8038 when it is still in use.
8040 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8042 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8043 the default setting here.
8045 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8047 * tree-pass.h (pass_cfg): Remove.
8048 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8049 * passes.c (pass_cfg): Don't run it.
8051 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8053 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8054 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8056 (stack_regs_mentioned): Update the uses of
8057 stack_regs_mentioned_data. Don't access the array beyond its
8059 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8060 Don't include gt-reg-stack.h.
8062 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8063 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8065 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8068 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8071 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8073 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8075 2006-03-14 Richard Guenther <rguenther@suse.de>
8077 PR tree-optimization/26672
8078 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8081 2006-03-14 Richard Guenther <rguenther@suse.de>
8083 PR tree-optimization/26667
8084 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8085 node for the callees. Always allow inlining if it will shrink
8088 2006-03-14 Richard Guenther <rguenther@suse.de>
8091 * builtins.c (get_pointer_alignment): Prefer alignment
8092 information from decls over that from types.
8094 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8097 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8099 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8101 * config/rs6000/rs6000.opt (mdlmzb): New option.
8102 (msched-prolog, msched-epilog): Use Var not Mask.
8103 * doc/invoke.texi (-mdlmzb): Document.
8104 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8106 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8107 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8109 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8111 PR rtl-optimization/25739
8112 * bt-load.c (augment_live_range): Free tos pointer.
8114 * gensupport.c (identify_predicable_attribute): Free
8116 * gcov.c (create_file_names): Free name pointer.
8118 2006-03-13 Roger Sayle <roger@eyesopen.com>
8121 * stmt.c (emit_case_nodes): Handle the case where the index is a
8122 CONST_INT, where the comparison mode is specified by the index type.
8124 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8126 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8129 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8131 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8132 (*branch_fp_inverted): Likewise.
8134 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8137 * omp-low.c (expand_omp_for_generic): Mark istart0
8138 and iend0 as addressable.
8140 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8142 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8144 2006-03-13 Jeff Law <law@redhat.com>
8146 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8147 virtual operands are interesting.
8148 (vrp_visit_stmt): Corresponding changes.
8150 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8152 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8154 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8155 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8156 * config/bfin/crti.S: Use it instead of __PIC__.
8157 * config/bfin/crtn.S: Likewise.
8159 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8160 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8162 Lose 'G' modifier for call operand.
8163 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8164 recognize 'G' modifier.
8166 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8169 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8170 * stmt.c (expand_case): Likewise.
8172 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8174 PR rtl-optimization/26254
8175 * loop-invariant.c (seq_insns_valid_p): New function.
8176 (move_invariant_reg): Only emit new code if it is valid.
8178 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8180 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8182 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8183 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8184 (commit_one_edge_insertion): Do not look for loop notes.
8186 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8188 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8189 flag_test_coverage out of loop.
8191 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8193 * final.c (shorten_branches): Remove outdated comment, and turn
8194 the if branch that guards it to continue.
8196 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8198 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8199 * cfgloop.h (struct loop): Remove unused fields.
8201 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8203 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8204 (-dL, -fdump-rtl-loop2): Update the dump file names
8206 * doc/invoke.texi: Update dump file names.
8208 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8210 * predict.c (estimate_probability): Remove.
8211 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8212 * basic-block.h (estimate_probability): Remove prototype.
8213 * passes.c (finish_optimization_passes): Dump branch prediction or
8214 profiling heuristics to the .profile tree dump.
8215 (init_optimization_passes): Unqueue pass_branch_prob.
8217 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8219 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8221 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8222 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8224 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8226 * function.h (frame_offset_overflow): Declare.
8227 * function.c (frame_offset_overflow): New function.
8228 (assign_stack_local_1): Call it to detect that the offset overflows.
8229 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8231 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8233 * config/sh/sh.c: Include alloc-pool.h.
8234 (label_ref_list_pool): New alloc pool.
8235 (label_ref_list_t): New type for lists of labels.
8236 (struct pool_node): Make wend a label_ref_list_t.
8237 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8239 (dump_table): Likewise.
8240 (sh_reorg): Set up the alloc pool before using add_constant and
8241 dump_table, and destroy it when finishing.
8243 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8245 * config/mips/mips.c: Remove redundant comment.
8247 2006-03-10 Jason Merrill <jason@redhat.com>
8250 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8251 the target was declared 'register'.
8253 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8255 * genpreds.c (write_insn_constraint_len): Change definition of
8256 insn_constraint_len to return size_t to match the declaration.
8258 2006-03-10 DJ Delorie <dj@redhat.com>
8260 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8262 (m32c_expand_insv): Fix test for an AND mask.
8264 2006-03-10 Richard Guenther <rguenther@suse.de>
8267 * builtins.c (get_pointer_alignment): Handle component
8268 references for field alignment.
8270 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8272 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8273 when building with libgloss.
8274 (sh*elf): Implement --without-fp option.
8275 (sh64-superh-linux*): Don't multilib.
8277 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8279 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8281 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8283 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8284 Set it when one of the replacement functions returned true.
8285 Return TODO_cleanup_cfg if cfgchanged is true.
8286 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8288 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8290 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8291 instead of gen_lowpart.
8293 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8295 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8297 (mips_output_order_conditional_branch): Declare.
8298 * config/mips/mips.h (MIPS_BRANCH): New macro.
8299 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8300 for the comparison. Use gen_condjump.
8301 (mips_output_conditional_branch): Rework interface to take the
8302 asm templates for a direct branch and the inverse of a direct branch.
8303 (mips_output_order_conditional_branch): New function.
8304 (mips_builtin_branch_and_move): New function.
8305 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8306 branch condition. Use gen_single_cc as the condition for
8307 __builtin_mips_upper_* or __builtin_mips_lower_*.
8308 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8309 Use VOIDmode for the branch condition.
8310 * config/mips/predicates.md (order_operator): New predicate.
8311 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8312 (branch_fp): Rename to...
8313 (*branch_fp): ...this. Remove mode from comparison operator.
8314 Use new mips_output_conditional_branch interface.
8315 (branch_fp_inverted): Rename to...
8316 (*branch_fp_inverted): ...this and update as for *branch_fp.
8317 (*branch_zero<mode>): Rename to...
8318 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8319 Use mips_output_order_conditional_branch. Only accept ordered
8321 (*branch_zero<mode>_inverted): Rename to...
8322 (*branch_order<mode>_inverted): ...this and update as for
8323 *branch_order<mode>.
8324 (*branch_equality<mode>): Accept zero as the second operand to
8325 the equality operator. Use the new mips_output_conditional_branch
8327 (*branch_equality<mode>_inverted): Likewise.
8328 (condjump): New expander.
8329 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8331 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8332 (bc1any2t, bc1any2f): Likewise.
8333 (single_cc): New expander.
8334 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8336 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8338 * doc/md.texi: Update documentation of MIPS constraints.
8339 * config/mips/constraints.md: New file.
8340 * config/mips/mips.md: Include it.
8341 * config/mips/mips.c (mips_char_to_class): Delete.
8342 (override_options): Don't initialize mips_char_to_class.
8343 * config/mips/mips.h (mips_char_to_class): Delete.
8344 (REG_CLASS_FROM_LETTER): Delete.
8345 (CONST_OK_FOR_LETTER_P): Delete.
8346 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8347 (EXTRA_CONSTRAINT_Y): Delete.
8348 (EXTRA_CONSTRAINT_STR): Delete.
8349 (CONSTRAINT_LEN): Delete.
8350 (EXTRA_MEMORY_CONSTRAINT): Delete.
8352 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8354 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8355 original fn's eh regions.
8357 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8359 * fold-const.c (build_range_check): Make sure to use a valid type to
8360 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8363 (range_predecessor): New static function.
8364 (range_successor): Likewise.
8365 (merge_ranges): Use them to compute predecessors and successors of
8368 2006-03-09 Roger Sayle <roger@eyesopen.com>
8371 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8372 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8374 2006-03-08 DJ Delorie <dj@redhat.com>
8376 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8377 (addpsi3): Expand to include memory operands. Remove
8378 reload-specific splits.
8379 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8380 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8381 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8382 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8383 (shift1_qi, shift1_hi, insv): New.
8384 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8385 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8386 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8388 * config/m32c/m32c-protos.h: Update as needed.
8389 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8390 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8391 Fail for unrecognized R* constraints.
8392 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8393 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8394 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8396 (m32c_init_libfuncs): New.
8397 (m32c_legitimate_address_p): Add debug wrapper.
8398 (m32c_rtx_costs): New.
8399 (m32c_address_cost): New.
8400 (conversions): Add 'B' prefix.
8401 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8402 operands, or word regnames for QI operands. 'B' prints bit
8404 (m32c_expand_setmemhi): New.
8405 (m32c_expand_movmemhi): New.
8406 (m32c_expand_movstr): New.
8407 (m32c_expand_cmpstr): New.
8408 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8409 (m32c_expand_neg_mulpsi3): Handle non-ints.
8410 (m32c_cmp_flg_0): New.
8411 (m32c_expand_movcc): New.
8412 (m32c_expand_insv): New.
8413 (m32c_scc_pattern): New.
8414 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8415 a0/a1 out of SIregs.
8416 (STORE_FLAG_VALUE): New.
8417 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8420 * config/m32c/mov.md: Make constraints more liberal.
8421 (zero_extendqihi2): Optimize r0/r1 case.
8422 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8423 * config/m32c/predicates.md (m32c_any_operand): New.
8424 (m32c_nonimmediate_operand): New.
8425 (m32c_hl_operand): New.
8426 (m32c_r3_operand): New.
8429 (memsym_operand): New.
8430 (memimmed_operand): New.
8431 (a_qi_operand): New.
8432 (m32c_eqne_operator): New.
8433 (m32c_1bit8_operand): New.
8434 (m32c_1bit16_operand): New.
8435 (m32c_1mask8_operand): New.
8436 (m32c_1mask16_operand): New.
8437 * config/m32c/blkmov.md: New file.
8438 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8440 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8442 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8443 unsigned to fix signed/unsigned comparison issue in
8444 DWARF2_FRAME_REG_OUT.
8445 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8446 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8448 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8449 of ptr into the ENABLE_CHECKING section.
8451 2006-03-08 Jeff Law <law@redhat.com>
8453 * tree-vrp.c (infer_value_range): Only count pointer uses
8454 and dereferences if -fdelete-null-pointer-checks is enabled.
8456 * tree-vrp.c (find_assert_locations): Infer value ranges for
8457 single use pointers, but do not create ASSERT_EXPRs for them.
8458 When a non-null range is inferred for a pointer, backwards
8459 propagate that range to other equivalent pointers through the
8462 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8465 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8466 language hook targets.
8467 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8468 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8469 if language hook targets were missing.
8471 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8473 * tree-ssa-opfinalize.h: Removed.
8474 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8476 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8477 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8478 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8479 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8480 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8481 finalize_ssa_v_must_def_ops): New.
8483 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8485 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8488 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8490 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8492 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8493 addresses with offsets; reorganize.
8495 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8496 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8497 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8499 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8502 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8504 2006-03-08 Ben Elliston <bje@au.ibm.com>
8506 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8508 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8511 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8514 2006-03-07 Richard Guenther <rguenther@suse.de>
8516 PR tree-optimization/26587
8517 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8519 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8521 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8523 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8525 * hooks.c (hook_bool_mode_rtx_true): New function.
8526 * hooks.h (hook_bool_mode_rtx_true): Declare.
8527 * toplev.c (compile_file): Call output_shared_constant_pool.
8528 * varasm.c (shared_constant_pool): New variable.
8529 (assemble_start_function, assemble_end_function): Remove arguments
8530 from call to output_constant_pool.
8531 (create_constant_pool): New function, split out from...
8532 (init_varasm_status): ...here.
8533 (force_const_mem): Choose between the shared and per-function constant
8534 pools. Set current_function_uses_const_pool when reusing old entries
8535 as well as when creating new ones.
8536 (mark_constant): Ignore data argument.
8537 (mark_constants): Remove pool argument.
8538 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8539 to decide whether the function uses a constant pool.
8540 (output_constant_pool_contents): New function, split out from...
8541 (output_constant_pool): ...here.
8542 (output_shared_constant_pool): New function.
8543 (init_varasm_once): Initialize shared_constant_pool.
8544 * output.h (output_constant_pool): Delete.
8545 (output_shared_constant_pool): Declare.
8546 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8547 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8549 2006-03-06 Nick Clifton <nickc@redhat.com>
8551 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8552 flag_strength_reduce.
8554 2006-03-06 Ben Elliston <bje@au.ibm.com>
8556 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8557 x86_64-*-linux* configurations.
8559 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8560 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8562 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8564 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8566 * basic-block.h: Remove the extern for
8567 rediscover_loops_after_threading.
8569 * cfgloop.c (cancel_loop): Make it static.
8570 * cfgloop.h: Remove the prototype for cancel_loop.
8572 * flow.c (recompute_reg_usage): Make it static.
8573 * rtl.h: Remove the prototype for recompute_reg_usage.
8575 * function.c (use_return_register): Make it static.
8576 * function.h: Remove the prototype.
8578 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8580 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8582 * recog.h: Remove the prototype for
8583 validate_change_maybe_volatile.
8585 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8587 * rtlanal.c (replace_reg): Remove.
8588 * rtl.h: Remove the prototype for replace_reg.
8590 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8592 * regclass.c (reg_scan_update): Remove.
8593 (reg_scan_mark_refs): Remove the last argument.
8594 * rtl.h: Remove the prototype for reg_scan_update.
8596 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8598 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8599 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8600 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8601 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8602 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8603 loop-invariant.c, omp-low.c, opts.c, passes.c,
8604 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8605 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8606 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8607 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8608 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8609 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8611 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8613 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8614 * dwarf2out.h: Remove the prototype for
8615 dwarf2out_add_library_unit_info.
8617 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8619 * tree.c (add_var_to_bind_expr): Remove.
8620 * tree.h: Remove the prototype for add_var_to_bind_expr.
8622 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8624 * regclass.c (n_non_fixed_regs): Remove.
8625 (init_reg_sets_1, globalize_reg): Remove all uses of
8627 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8629 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8631 * rtlanal.c (insns_safe_to_move_p): Remove.
8632 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8634 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8636 * expmed.c (expand_mult_add): Remove.
8637 * expr.h: Remove the prototype for expand_mult_add.
8639 2006-03-04 Jakub Jelinek <jakub@redhat.com>
8641 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
8642 and REG_SAVED_VAL_EXP constants.
8643 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
8644 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
8645 Handle regs stored by value.
8646 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
8647 (execute_cfa_program): Handle DW_CFA_val_offset,
8648 DW_CFA_val_offset_sf and DW_CFA_val_expression.
8649 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
8650 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
8651 (uw_install_context_1): Handle target regs stored by value.
8653 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
8655 * tree-sra.c (tree_sra): Return todoflags;
8656 (generate_one_element): Set TODO_update_smt_usage if needed.
8657 (pass_sra): Remove TODO_update_smt_usage.
8658 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
8660 (tree_ssa_forward_propagate_single_use_vars): Return
8661 TODO_update_smt_usage if we need to update SMT usage.
8662 (pass_forwprop): Remove TODO_update_smt_usage.
8664 2006-03-03 Diego Novillo <dnovillo@redhat.com>
8666 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
8667 (correct_use_link): Remove reference to get_stmt_operands.
8668 (update_stmt_operands): Likewise.
8669 (get_modify_expr_operands): New function factored out of
8670 parse_ssa_operands and get_expr_operands.
8671 Try to create V_MUST_DEFs for LHS by default.
8672 (get_expr_operands) <case MODIFY_EXPR>: Call
8673 get_modify_expr_operands.
8674 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
8675 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
8676 (parse_ssa_operands) <case MODIFY_EXPR>: Call
8677 get_modify_expr_operands.
8679 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
8681 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
8682 * tree-flow.h: Remove the prototype for
8683 referenced_var_lookup_if_exists.
8685 2006-03-03 Steve Ellcey <sje@cup.hp.com>
8687 PR rtl-optimization/26345
8689 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
8691 2006-03-03 Roger Sayle <roger@eyesopen.com>
8693 PR tree-optimization/26524
8694 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
8695 fold_convert to create a constant of the appropriate type.
8697 2006-03-03 Richard Sandiford <richard@codesourcery.com>
8699 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8700 SYMBOL_REF_IN_BLOCK_P.
8701 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
8702 of SYMBOL_FLAG_IN_BLOCK.
8703 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
8704 instead of SYMBOL_REF_IN_BLOCK_P.
8705 * explow.c (use_anchored_address): Likewise.
8706 * rtl.c (rtx_size): Likewise.
8707 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
8708 instead of SYMBOL_FLAG_IN_BLOCK.
8709 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8710 SYMBOL_REF_IN_BLOCK_P.
8711 (assemble_variable): Likewise.
8712 (output_constant_def_contents): Likewise.
8713 (output_constant_pool): Likewise.
8714 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
8715 instead of SYMBOL_FLAG_IN_BLOCK.
8716 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8717 SYMBOL_REF_IN_BLOCK_P.
8718 (SYMBOL_REF_BLOCK): Likewise.
8719 (SYMBOL_REF_OFFSET): Likewise.
8720 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
8721 SYMBOL_REF_IN_BLOCK_P.
8722 (SYMBOL_FLAG_IN_BLOCK): Replace with...
8723 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
8724 (SYMBOL_REF_IN_BLOCK_P): Replace with...
8725 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
8727 2006-03-03 Jakub Jelinek <jakub@redhat.com>
8729 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
8731 2006-03-02 Roger Sayle <roger@eyesopen.com>
8733 * simplify-rtx.c (simplify_unary_operation): When simplifying
8734 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
8735 that we perform the right shift in the appropriate mode, and
8736 then extend or truncate the result to requested mode.
8738 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
8740 * gengtype.c (main): Handle double_int type.
8741 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
8742 * double-int.c: New file.
8743 * double-int.h: New file.
8744 * system.h: Include doubleint.h.
8745 * Makefile.in (SYSTEM_H): Include double-int.h.
8746 (double-int.o): Add.
8748 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
8751 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
8754 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8756 * tree-vrp.c (remove_range_assertions): Do not update statements
8759 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8761 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
8763 * gcse.c (rest_of_handle_gcse): Ditto.
8764 * except.c (gate_handle_eh): Ditto.
8765 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
8766 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
8768 2006-03-02 Eric Christopher <echristo@apple.com>
8770 * config/i386/i386.c (machopic_output_stub): Add indirection to
8773 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
8777 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
8779 Sun Niagara specific optimizations.
8780 * config.gcc: Recognize niagara as target.
8781 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
8782 (TARGET_CPU_niagara): Define.
8783 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
8784 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
8785 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8786 (ASM_CPU_SPEC): Likewise.
8787 (PROCESSOR_NIAGARA): New enum entry.
8788 (REGISTER_MOVE_COST): Handle Niagara.
8789 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
8790 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
8791 (sparc_override_options): Recognize "niagara", set appropriate
8792 default MASK_* values for it, and align functions to 32-bytes
8793 by default just like ULTRASPARC/ULTRASPARC3.
8794 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
8795 (sparc64_initialize_trampoline): Likewise.
8796 (sparc_use_sched_lookahead): Use zero for niagara.
8797 (sparc_issue_rate): Use one for niagara.
8798 * config/sparc/niagara.md: New file.
8799 * config/sparc/sparc.md: Include it.
8800 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
8801 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
8802 when default cpu is niagara.
8803 (CPP_CPU_SPEC): Handle -mcpu=niagara.
8804 (ASM_CPU_SPEC): Likewise.
8805 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
8806 when default cpu is niagara.
8807 (ASM_CPU_SPEC): Handle -mcpu=niagara.
8808 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
8809 just like v9/ultrasparc/ultrasparc3.
8810 * doc/invoke.texi: Add documentation for "niagara" and improve
8811 existing documentation for ultrasparc variants.
8813 2006-03-02 Diego Novillo <dnovillo@redhat.com>
8815 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
8817 2006-03-02 Richard Sandiford <richard@codesourcery.com>
8819 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
8820 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
8821 and say that only one is needed.
8822 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
8823 * target.h (have_switchable_bss_sections): New hook.
8824 * explow.c (use_anchored_address): Check that the symbol is in a block.
8825 * varasm.c (tls_comm_section, comm_section, lcomm_section)
8826 (bss_noswitch_section): New variables.
8827 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
8828 (get_noswitch_section): New function.
8829 (get_block_for_section): Allow SECT to be null.
8830 (unlikely_text_section_p): Use SECTION_STYLE.
8831 (bss_initializer_p): New function.
8832 (get_variable_section): Move earlier in file. Take a new argument,
8833 prefer_noswitch_p. Move bss checks from assemble_variable to here.
8834 Return one of the new *_sections in such cases.
8835 (get_block_for_decl): New function, extracting some logic from
8836 use_blocks_for_decl_p.
8837 (change_symbol_section): Remove in favor of...
8838 (change_symbol_block): ...this new function.
8839 (use_blocks_for_decl_p): Remove checks now performed by
8841 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
8842 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
8843 (emit_local, emit_bss, emit_common): ...these new functions.
8844 Return true if the alignment was honored.
8845 (emit_tls_common): New function.
8846 (asm_emit_uninitialised): Delete.
8847 (assemble_variable_noswitch): New function, split out from...
8848 (assemble_variable): ...here. Don't make decisions about common
8849 variables here. Globalize all public decls that go into non-common
8850 sections. Check whether SYMBOL_REF_BLOCK is null.
8851 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
8852 (output_constant_pool): Likewise.
8853 (init_varasm_once): Initialize the new section variables.
8854 (have_global_bss_p): New function.
8855 (categorize_decl_for_section): Use bss_initializer_p.
8856 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
8857 (place_block_symbol): Assert that the symbol must be in a block.
8858 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
8859 (TARGET_INITIALIZER): Include it.
8860 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
8861 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
8862 (SECTION_MACH_DEP): Bump by two.
8863 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
8864 (unnamed_section): Mention SECTION_UNNAMED in comment.
8865 (named_section): Likewise SECTION_NAMED.
8866 (noswitch_section_callback): New type.
8867 (noswitch_section): New structure.
8868 (section): Add a noswitch_section alternative.
8869 (SECTION_STYLE): New macro.
8870 (tls_comm_section, comm_section, lcomm_section): Declare.
8871 (bss_noswitch_section, have_global_bss_p): Declare.
8872 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8873 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8875 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
8876 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
8879 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
8881 * tree-vrp.c (execute_vrp): Return value.
8882 * regrename.c (rest_of_handle_regrename): Ditto.
8883 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
8884 * tree-complex.c (tree_lower_complex): Ditto.
8885 (tree_lower_complex_O0): Ditto.
8886 * tracer.c (rest_of_handle_tracer): Ditto.
8887 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
8888 * postreload.c (rest_of_handle_postreload): Ditto.
8889 * tree-tailcall.c (execute_tail_recursion): Ditto.
8890 (execute_tail_calls): Ditto.
8891 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8892 * tree.h (init_function_for_compilation): Ditto.
8893 * ipa-cp.c (ipcp_driver): Ditto.
8894 * tree-scalar-evolution.c (scev_const_prop): Ditto.
8895 * tree-scalar-evolution.h (scev_const_prop): Ditto.
8896 * final.c (compute_alignments): Ditto.
8897 (rest_of_handle_final): Ditto.
8898 (rest_of_handle_shorten_branches): Ditto.
8899 (rest_of_clean_state): Ditto.
8900 * omp-low.c (execute_expand_omp): Ditto.
8901 (execute_lower_omp): Ditto.
8902 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
8903 * ipa-reference.c (static_execute): Ditto.
8904 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
8905 * reorg.c (rest_of_handle_delay_slots): Ditto.
8906 (rest_of_handle_machine_reorg): Ditto.
8907 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
8908 * flow.c (recompute_reg_usage): Ditto.
8909 (rest_of_handle_remove_death_notes): Ditto.
8910 (rest_of_handle_life): Ditto.
8911 (rest_of_handle_flow2): Ditto.
8912 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
8913 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
8914 (do_ssa_store_ccp): Ditto.
8915 (execute_fold_all_builtins): Ditto.
8916 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
8917 * modulo-sched.c (rest_of_handle_sms): Ditto.
8918 * ipa-pure-const.c (static_execute): Ditto.
8919 * cse.c (rest_of_handle_cse): Ditto.
8920 (rest_of_handle_cse2): Ditto.
8921 * web.c (rest_of_handle_web): Ditto.
8922 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
8923 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
8924 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
8925 * tree-nrv.c (tree_nrv): Ditto.
8926 (execute_return_slot_opt): Ditto.
8927 * tree-ssa-alias.c (compute_may_aliases): Ditto.
8928 (create_structure_vars): Ditto.
8929 * loop-init.c (rtl_loop_init): Ditto.
8930 (rtl_loop_done): Ditto.
8931 (rtl_move_loop_invariants): Ditto.
8932 (rtl_unswitch): Ditto.
8933 (rtl_unroll_and_peel_loops): Ditto.
8934 (rtl_doloop): Ditto.
8935 * gimple-low.c (lower_function_body): Ditto.
8936 (mark_used_blocks): Ditto.
8937 * tree-ssa-sink.c (execute_sink_code): Ditto.
8938 * ipa-inline.c (cgraph_decide_inlining): Ditto.
8939 (cgraph_early_inlining): Ditto.
8940 * global.c (rest_of_handle_global_alloc): Ditto.
8941 * jump.c (cleanup_barriers): Ditto.
8942 (purge_line_number_notes): Ditto.
8943 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
8944 (rest_of_handle_if_after_reload): Ditto.
8945 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
8946 (tree_ssa_loop_im): Ditto.
8947 (tree_ssa_loop_unswitch): Ditto.
8948 (tree_vectorize): Ditto.
8949 (tree_linear_transform): Ditto.
8950 (tree_ssa_loop_ivcanon): Ditto.
8951 (tree_ssa_empty_loop): Ditto.
8952 (tree_ssa_loop_bounds): Ditto.
8953 (tree_complete_unroll): Ditto.
8954 (tree_ssa_loop_prefetch): Ditto.
8955 (tree_ssa_loop_ivopts): Ditto.
8956 (tree_ssa_loop_done): Ditto.
8957 * predict.c (tree_estimate_probability): Ditto.
8958 * recog.c (split_all_insns_noflow): Ditto.
8959 (rest_of_handle_peephole2): Ditto.
8960 (rest_of_handle_split_all_insns): Ditto.
8961 * tree-eh.c (lower_eh_constructs): Ditto.
8962 * regmove.c (rest_of_handle_regmove): Ditto.
8963 (rest_of_handle_stack_adjustments): Ditto.
8964 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
8965 * function.c (instantiate_virtual_regs): Ditto.
8966 (init_function_for_compilation): Ditto.
8967 (rest_of_handle_check_leaf_regs): Ditto.
8968 * gcse.c (rest_of_handle_jump_bypass): Ditto.
8969 (rest_of_handle_gcse): Ditto.
8970 * ipa-type-escape.c (type_escape_execute): Ditto.
8971 * alias.c (rest_of_handle_cfg): Ditto.
8972 * tree-if-conv.c (main_tree_if_conversion): Ditto.
8973 * profile.c (rest_of_handle_branch_prob): Ditto.
8974 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
8975 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
8976 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
8977 * tree-dfa.c (find_referenced_vars): Ditto.
8978 * except.c (set_nothrow_function_flags): Ditto.
8979 (convert_to_eh_region_ranges): Ditto.
8980 (rest_of_handle_eh): Ditto.
8981 * emit-rtl.c (unshare_all_rtl): Ditto.
8982 (remove_unnecessary_notes): Ditto.
8983 * except.h (set_nothrow_function_flags): Ditto.
8984 (convert_to_eh_region_ranges): Ditto.
8985 * cfgexpand.c (tree_expand_cfg): Ditto.
8986 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
8987 * tree-ssa-pre.c (do_pre): Ditto.
8988 (execute_fre): Ditto.
8989 * cfgcleanup.c (rest_of_handle_jump): Ditto.
8990 (rest_of_handle_jump2): Ditto.
8991 * tree-sra.c (tree_sra): Ditto.
8992 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
8993 (execute_mudflap_function_decls): Ditto.
8994 * tree-ssa-copy.c (do_copy_prop): Ditto.
8995 (do_store_copy_prop): Ditto.
8996 * ipa-prop.h (ipcp_driver): Ditto.
8997 * cfglayout.c (insn_locators_initialize): Ditto.
8998 * tree-ssa-forwprop.c
8999 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9000 * cfglayout.h (insn_locators_initialize): Ditto.
9001 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9002 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9003 (execute_late_warn_uninitialized): Ditto.
9004 * rtl.h (cleanup_barriers): Ditto.
9005 (split_all_insns_noflow): Ditto.
9006 (purge_line_number_notes): Ditto.
9007 (unshare_all_rtl): Ditto.
9008 (remove_unnecessary_notes): Ditto.
9009 (recompute_reg_usage): Ditto.
9010 (variable_tracking_main): Ditto.
9011 * integrate.c (emit_initial_value_sets): Ditto.
9012 * integrate.h (emit_initial_value_sets): Ditto.
9013 * tree-optimize.c (execute_free_datastructures): Ditto
9014 (execute_free_cfg_annotations): Ditto.
9015 (execute_fixup_cfg): Ditto.
9016 (execute_cleanup_cfg_pre_ipa): Ditto.
9017 (execute_cleanup_cfg_post_optimizing): Ditto.
9018 (execute_init_datastructures): Ditto.
9019 * tree-object-size.c (compute_object_sizes): Ditto.
9020 * combine.c (rest_of_handle_combine): Ditto.
9021 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9022 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9023 (rest_of_handle_reorder_blocks): Ditto.
9024 (rest_of_handle_partition_blocks): Ditto.
9025 * var-tracking.c (variable_tracking_main): Ditto.
9026 * tree-profile.c (tree_profiling): Ditto.
9027 * tree-vect-generic.c (expand_vector_operations): Ditto.
9028 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9029 * sched-rgn.c (rest_of_handle_sched): Ditto.
9030 (rest_of_handle_sched2): Ditto.
9031 * basic-block.h (free_bb_insn): Ditto.
9032 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9033 * tree-cfg.c (execute_build_cfg): Ditto.
9034 (remove_useless_stmts): Ditto.
9035 (split_critical_edges): Ditto.
9036 (execute_warn_function_return): Ditto.
9037 (execute_warn_function_noreturn): Ditto.
9038 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9039 * cfgrtl.c (free_bb_for_insn): Ditto.
9040 * passes.c (execute_one_pass): Run additional
9041 todos returned by execute function.
9042 * tree-pass.h (struct tree_opt_pass): Make execute
9045 2006-03-02 Richard Guenther <rguenther@suse.de>
9047 * tree-ssa-alias.c (find_used_portions): Consider taking
9048 the address as making the variable not write-only.
9050 2006-03-02 Nick Clifton <nickc@redhat.com>
9052 * config.gcc (default_use_cxa_atexit): Extend the description of
9053 this configure variable. Set its default value to "yes" for
9054 Linux, NetBSD and ELF targets on the assumption that they will
9055 use C libraries with the __cxa_atexit function.
9057 2006-03-02 Ben Elliston <bje@au.ibm.com>
9059 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9060 parameter as unused to suppress a build warning.
9062 2006-03-02 Ben Elliston <bje@au.ibm.com>
9064 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9067 2006-03-01 Roger Sayle <roger@eyesopen.com>
9070 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9071 declared name, the weak reference name, and the typeof name.
9072 (__gthrw): Avoid expanding the declared name suffix.
9073 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9075 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9077 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9079 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9080 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9081 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9082 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9083 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9084 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9085 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9086 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9087 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9088 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9089 (DW_END_default, DW_END_big, DW_END_little): New.
9090 (DW_END_lo_user, DW_END_hi_user): Define.
9091 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9092 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9093 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9096 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9098 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9100 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9102 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9104 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9106 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9107 to 'symbol_mem_tag'.
9109 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9112 2006-03-01 Roger Sayle <roger@eyesopen.com>
9114 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9116 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9119 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9120 MACHO_DYNAMIC_NO_PIC_P.
9121 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9123 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9126 * config/darwin-protos.h (darwin_asm_output_anchor):
9128 * config/darwin-sections.def (cstring_section):
9129 Add SECTION_MERGE to the flags.
9130 (literal4_section): Likewise.
9131 (literal8_section): Likewise.
9132 (objc_selector_refs_section): Likewise.
9133 (objc_cls_refs_section): Likewise.
9134 * config/darwin.c (darwin_asm_output_anchor): New
9136 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9138 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9140 Fix PR tree-optimization/26443
9141 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9142 to todo and PROP_tmt_usage to properties_destroyed.
9143 * tree-ssa-ccp.c (pass_ccp): Ditto.
9144 (pass_store_ccp): Ditto.
9145 * tree-ssa-dom.c (pass_dominator): Ditto.
9147 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9149 * tree-ssa-operands.c: Cleanup whitespace.
9150 (get_asm_expr_operands): Move before first invocation.
9151 (get_indirect_ref_operands): Likewise.
9152 (get_tmr_operands): Likewise.
9153 (get_call_expr_operands): Likewise.
9154 (append_def): Likewise.
9155 (append_use): Likewise.
9156 (append_v_may_def): Likewise.
9157 (append_v_must_def): Likewise.
9158 (add_call_clobber_ops): Likewise.
9159 (add_call_read_ops): Likewise.
9160 (add_stmt_operand): Likewise.
9161 (add_virtual_operand): Likewise.
9162 (build_ssa_operands): Likewise.
9164 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9169 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9170 with a call expr to ...
9171 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9173 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9175 * tree-vrp.c (extract_range_from_assert): Remove special
9176 handling for types with super-types.
9178 2006-03-01 Ben Elliston <bje@au.ibm.com>
9180 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9181 and powerpc64-*-linux* configurations.
9182 * config/t-dfprules: New file.
9184 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9185 Compile dfp-bit.c from the source directory using -DWIDTH and
9186 $DFP_CFLAGS to control the compilation of that file, rather than
9187 generating width-specific versions in the build directory.
9188 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9189 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9191 2006-02-28 Zack Weinberg <zackw@panix.com>
9193 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9196 2006-02-28 Eric Christopher <echristo@apple.com>
9198 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9199 Set up IN_LIBGCC definition of TARGET_64BIT.
9200 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9202 2006-02-28 Roger Sayle <roger@eyesopen.com>
9205 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9206 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9207 cases via the construction of "expr != 0".
9209 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9211 * alias.c (alias_invariant, alias_invariant_size): Remove.
9212 (record_base_value): Remove.
9213 (memrefs_conflict_p): Don't look at alias_invariant.
9214 (end_alias_analysis): Don't free it.
9215 * alias.h (record_base_value): Remove prototype.
9217 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9218 Adam Nemet <anemet@caviumnetworks.com>
9220 * rtl.h (truncated_to_mode): Declare it.
9221 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9222 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9223 (RTL_HOOKS_INITIALIZER): Include it.
9224 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9225 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9226 reg_truncated_to_mode.
9227 * rtlanal.c (truncated_to_mode): Define it.
9228 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9230 2006-02-28 Jeff Law <law@redhat.com>
9232 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9233 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9234 the range allowed by TYPE_PRECISION.
9236 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9238 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9240 PR tree-optimization/26419
9241 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9244 2006-02-27 Zack Weinberg <zackw@panix.com>
9246 * doc/md.texi: Fix typo in previous change.
9248 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9252 2006-02-27 Zack Weinberg <zackw@panix.com>
9254 * rtl.def (define_constraint, define_register_constraint)
9255 (define_memory_constraint, define_address_constraint): New MD forms.
9256 * gensupport.c (process_rtx): Put define_constraint etc on the
9258 * genpreds.c (process_define_predicate): Adjust comment. Validate
9259 the name, and call validate_exp to validate the expression.
9260 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9261 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9262 all callers changed.
9263 (validate_exp, needs_variable, struct constraint_data)
9264 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9265 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9266 (const_dbl_constraints, constraint_max_namelen)
9267 (have_register_constraints, have_memory_constraints)
9268 (have_address_constraints, have_address_constraints)
9269 (have_extra_constraints, have_const_int_constraints)
9270 (have_const_dbl_constraints, mangle, add_constraint)
9271 (process_define_constraint, process_define_register_constraint)
9272 (write_enum_constraint_num, write_lookup_constraint)
9273 (write_insn_constraint_len, write_regclass_for_constraint)
9274 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9275 (write_insn_extra_memory_constraint)
9276 (write_insn_extra_address_constraint)
9277 (write_satisfies_constraint_fns): New.
9278 (write_tm_preds_h): If we have new-style constraint definitions,
9279 prototype the functions generated from them, and define the
9280 old constraint interface (still used by generic code) in terms of
9282 (write_insn_preds_c): If we have new-style constraint definitions,
9283 generate all relevant functions from those definitions.
9284 (main): Handle define_constraint etc.
9285 * genoutput.c (struct constraint_data, indep_constraints)
9286 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9287 (mdep_constraint_len): New data structures and functions, defined
9288 #ifdef USE_MD_CONSTRAINTS.
9289 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9290 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9291 use new logic to validate operand constraints against constraint
9293 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9295 * defaults.h: If none of the old-style constraint macros are
9296 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9297 old-style macros; and poison REG_CLASS_FROM_LETTER,
9298 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9300 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9301 * doc/md.texi: Document new constraint-definition mechanism and the
9302 C interface it provides. Remove references to old mechanism
9303 elsewhere in the document.
9304 (Machine Constraints): Use pathnames relative to gcc directory,
9305 i.e. config/ARCH/FILE. Change i386 section to refer to
9306 config/i386/predicates.md; update that section to match docstrings.
9307 * doc/tm.texi: Move all documentation of the old constraint-
9308 definition macros to their own section, clearly mark as obsolete.
9310 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9311 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9313 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9314 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9315 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9317 (splits and peepholes): Use satisfies_constraint_*.
9318 * config/i386/i386.c (memory_address_length)
9319 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9321 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9323 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9324 scalar operation to be put back into the loop.
9326 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9329 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9330 (extract_cie_info): Handle S flag in augmentation string.
9331 (execute_cfa_program): If context->signal_frame, execute also
9332 fs->pc == context->ra instructions.
9333 (uw_frame_state_for): If context->signal_frame, don't subtract one
9334 from context->ra to find FDE.
9335 (uw_update_context_1): Set context->signal_frame to
9337 (_Unwind_GetIPInfo): New function.
9338 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9339 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9341 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9342 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9343 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9344 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9345 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9346 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9347 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9348 x86_64_fallback_frame_state): Set fs->signal_frame.
9349 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9350 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9351 (frob_update_context): Likewise. Workaround missing S flag in
9352 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9353 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9354 Remove the psw_addr + 1 hack.
9356 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9358 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9359 with aggregates here.
9360 (find_func_aliases): Remove code for &<aggregate> from here.
9362 2006-02-26 Roger Sayle <roger@eyesopen.com>
9364 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9365 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9366 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9369 2006-02-26 Roger Sayle <roger@eyesopen.com>
9372 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9374 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9376 * opts.c (decode_options): Do not handle flag_strength_reduce.
9377 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9378 and OPT_fstrength_reduce.
9379 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9380 flag_prefetch_loop_arrays for being nonzero.
9381 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9383 (fprefetch-loop-arrays-rtl): Removed.
9384 (flag_prefetch_loop_arrays): Do not specify the value.
9386 * doc/passes.texi: Update documentation of loop optimizer
9388 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9389 -frerun-loop-opt): Remove.
9391 2006-02-26 Richard Guenther <rguenther@suse.de>
9393 PR tree-optimization/26421
9394 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9395 in function calls that are ADDR_EXPRs as using the whole structure.
9397 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9399 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9400 * tree-pass.h (pass_loop_optimize): Remove.
9401 * passes.c (pass_loop_optimize): Never run it.
9402 * toplev.c (backend_init): Don't call init_loop.
9403 * opts.c (flag_loop_optimize_set): Remove.
9404 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9405 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9406 the old RTL loop optimizer when profiling enabled.
9407 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9408 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9409 pre-headers for the sake of the old RTL loop optimizer.
9410 * Makefile.in: Remove all references to loop.o.
9412 * doc/invoke.texi: Remove all references to -floop-optimize
9413 and -frerun-loop-opt.
9415 2006-02-26 Zack Weinberg <zackw@panix.com>
9417 * doc/md.texi (Machine Constraints): Refer to all files with paths
9418 relative to gcc directory (i.e. config/CPU/file). Add missing
9419 @table @code ... @end table to M32C subsection.
9421 2006-02-26 Roger Sayle <roger@eyesopen.com>
9423 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9425 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9427 2006-02-26 Roger Sayle <roger@eyesopen.com>
9428 James A. Morrison <phython@gcc.gnu.org>
9431 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9432 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9433 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9434 signedness of the shift operation.
9436 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9438 PR tree-optimization/26359
9439 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9441 2006-02-25 Roger Sayle <roger@eyesopen.com>
9443 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9444 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9445 as X == 0, and some symmetry related transformations.
9446 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9448 2006-02-25 Roger Sayle <roger@eyesopen.com>
9451 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9452 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9453 symmetry related transformations. Fold (X^C1) == C2 as
9456 2006-02-25 Juergen Weigert <jw@suse.de>
9457 Richard Guenther <rguenther@suse.de>
9459 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9461 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9463 * combine.c (gen_lowpart_or_truncate): Call
9464 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9466 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9468 * doc/invoke.texi: Move -fopenmp description to "Options for
9470 Remove reference to -lgomp.
9472 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9474 * doc/install.texi: Require GNU tar version 1.14.
9476 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9478 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9479 * doc/invoke.texi (C++ Dialect Options): Document
9480 -fno-use-cxa-get-exception-ptr.
9481 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9482 * configure: Regenerate.
9483 * c.opt (fuse-cxa-get-exception-ptr): New.
9484 * c-opts.c (c_common_handle_option): Handle
9485 OPT_fuse_cxa_get_exception_ptr.
9486 * c-common.c (flag_use_cxa_atexit): Update documentation.
9487 (flag_use_cxa_get_exception_ptr): New.
9488 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9489 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9491 (C_COMMON_OVERRIDE_OPTIONS): New.
9493 2006-02-24 Roger Sayle <roger@eyesopen.com>
9496 * combine.c (try_combine): Explicitly check whether GET_CODE is
9497 a SET or a CLOBBER, instead on checking that it isn't a USE.
9499 2006-02-24 Roger Sayle <roger@eyesopen.com>
9501 * fold-const.c (fold_comparison): New subroutine of fold_binary
9502 containing transformations common to both the equality and
9503 ordering relational operators, factored out of fold_binary.
9504 (fold_binary): Separate out the equality operators (EQ_EXPR
9505 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9506 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9507 transformations common to both.
9508 (fold_div_compare): Fix latent bugs in the previously unreachable
9509 LT_EXPR and GE_EXPR cases.
9511 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9513 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9514 decl libname for clog to __clog on AIX.
9516 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9518 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9521 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9522 output traceback table for thunks. Localise rs6000_stack_info call.
9524 2006-02-23 Roger Sayle <roger@eyesopen.com>
9525 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9527 * gthr-posix.h (__gthrw): Fix typo in comment.
9529 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9531 * doc/cpp.texi (Character sets): Document that we do support
9532 input files to be in any character set.
9534 2006-02-23 Jeff Law <law@redhat.com>
9536 * tree.h (PHI_ARG_NONZERO): Remove.
9537 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9538 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9539 node to the new node.
9541 PR tree-optimization/26425
9542 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9543 min/max, then assume its varying.
9545 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9547 PR rtl-optimization/26316
9548 * rtlanal.c (enum may_trap_p_flags): New.
9549 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9550 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9551 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9552 (may_trap_after_code_motion_p): New function.
9553 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9554 (find_invariant_insn): Use may_trap_after_code_motion_p.
9555 * rtl.h (may_trap_after_code_motion_p): Declare.
9557 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9559 * emit-rtl.c (immed_double_const): Cleanup.
9561 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9563 Fix PR tree-optimization/26376
9564 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9567 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9570 * gimplify.c (omp_add_variable): Guard variable size decl test with
9571 DECL_SIZE (decl) check.
9573 2006-02-23 Richard Guenther <rguenther@suse.de>
9576 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9577 like aggregate types.
9579 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9581 * configure.ac: Add --with{,out}-long-double-128 configure option.
9582 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9583 * configure: Rebuilt.
9584 * config.in: Rebuilt.
9585 * doc/install.texi (Options specification): Document
9586 --with-long-double-128.
9588 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9589 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9590 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9591 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9593 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9595 * config/s390/s390.c (override_options): Handle
9596 TARGET_DEFAULT_LONG_DOUBLE_128.
9598 * config/alpha/alpha.c (override_options): Handle
9599 TARGET_DEFAULT_LONG_DOUBLE_128.
9601 * config/sparc/sparc.c (sparc_override_options): Handle
9602 TARGET_DEFAULT_LONG_DOUBLE_128.
9604 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9606 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9607 (real-install-headers-tar, real-install-headers-cpio)
9608 (real-install-headers-cp): New targets.
9610 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9612 * tree.h (variable_section): Delete.
9613 * varasm.c (variable_section): Delete.
9615 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9617 * install.texi: Add notes on install.texi2html.
9618 (Building in parallel): Do not use footnotes.
9620 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9623 * doc/install.texi (Configuration): Document --disable-libgomp.
9625 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9627 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9629 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9631 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9632 (vec_extractv2df_0_sse): New.
9634 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9636 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9637 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9638 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
9639 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
9640 to the result of the expression.
9641 (def_cfa_1): Adjust.
9642 (frame_pointer_cfa_offset): Rename to...
9643 (frame_pointer_fb_offset): ... this. Adjust all uses.
9644 (convert_cfa_to_loc_list): Rename to...
9645 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
9646 Pass it on to build_cfa_loc.
9647 (compute_frame_pointer_to_cfa_displacement): Rename to...
9648 (compute_frame_pointer_to_fb_displacement): ... this. New
9649 offset parameter. Use it in computation.
9650 (gen_subprogram_die): Compute cfa_fb_offset with the new
9651 macro, and use it to compute the fb loc list and the
9654 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
9656 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
9657 replaced with register_operand.
9658 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
9659 non-DREG is expensive.
9660 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
9661 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
9664 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
9666 * doc/install.texi2html: Use set -e.
9668 2006-02-21 Richard Sandiford <richard@codesourcery.com>
9670 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9671 (ASM_OUTPUT_SHARED_LOCAL): Delete.
9672 * doc/invoke.texi (-fshared-data): Delete.
9673 * common.opt (fshared-data): Delete.
9674 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
9675 (assemble_static_space): Remove #if 0 code.
9676 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
9677 (ASM_OUTPUT_SHARED_LOCAL): Poison.
9678 * config/cris/cris.h: Remove FIXME.
9680 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
9682 * doc/sourcebuild.texi (Front End Directory): No more double-colon
9685 2006-02-21 Jakub Jelinek <jakub@redhat.com>
9688 * combine.c (simplify_shift_const_1): Disable nested shifts
9689 optimization for vector shifts.
9691 2006-02-20 Roger Sayle <roger@eyesopen.com>
9693 PR tree-optimization/26361
9694 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
9695 of unsigned integer types.
9697 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
9699 * tree-chrec.c (eq_evolutions_p): New.
9700 * tree-chrec.h (eq_evolutions_p): Declared.
9701 * tree-data-ref.c: Fix formatting.
9702 (datadep_stats, dependence_stats): New.
9704 (print_direction_vector): New.
9705 (dump_data_dependence_relation): Use print_direction_vector.
9706 (object_analysis, create_data_ref): Handle COMPONENT_REF.
9707 (compute_subscript_distance): Static.
9708 (initialize_data_dependence_relation): Static. Get the number
9709 of loops surrounding the references from the callers, and initialize
9710 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
9711 base_object_differ_p analyzers.
9712 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
9713 compute_overlap_steps_for_affine_1_2,
9714 analyze_subscript_affine_affine): Count the classified dependences.
9715 Print a message when a test failed.
9716 (can_use_analyze_subscript_affine_affine): New.
9717 (analyze_siv_subscript): Compute the data dependences on symbolic
9718 scevs that verify can_use_analyze_subscript_affine_affine.
9719 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
9720 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
9721 Handle symbolic scevs.
9722 (analyze_overlapping_iterations): Let symbolic affine scevs to be
9724 (subscript_dependence_tester): Moved...
9725 (build_classic_dist_vector, build_classic_dir_vector): Don't use
9726 lambda_vector_clear on newly allocated vectors. Get nb_loops from
9727 DDR_SIZE_VECT instead of getting it in parameter.
9728 (subscript_dependence_tester): ... here. Take as a parameter
9729 loop_nest_depth. Call build_classic_dist_vector and
9730 build_classic_dir_vector.
9731 (compute_affine_dependence): Update subscript_dependence_tester
9732 parameters. Update datadep_stats counters. Call
9733 compute_subscript_distance.
9734 (compute_self_dependence): Save the dist and dir vectors. Call
9735 compute_subscript_distance.
9736 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
9737 (compute_all_dependences): Reorder parameters as they were before
9738 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
9739 compute_subscript_distance. Update the use of
9740 compute_affine_dependence and initialize_data_dependence_relation.
9741 (find_data_references_in_loop): Handle COMPONENT_REF.
9742 (compute_data_dependences_for_loop): Initialize dependence_stats.
9743 Don't call build_classic_dist_vector and build_classic_dir_vector.
9744 Update the parameters of initialize_data_dependence_relation and
9745 compute_all_dependences. Print the statistics from datadep_stats.
9746 (analyze_all_data_dependences): Static. Not used until the pass for
9747 checking the data dependences is contributed.
9748 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
9749 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
9750 (initialize_data_dependence_relation, compute_affine_dependence,
9751 analyze_all_data_dependences, compute_subscript_distance): Removed.
9752 (print_direction_vector): New.
9753 * lambda.h (gcd): ... here.
9754 (lambda_vector_gcd): Moved here from gcd_vector.
9755 * lambda-code.c (gcd, gcd_vector): Removed.
9756 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
9757 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
9759 2006-02-20 Diego Novillo <dnovillo@redhat.com>
9761 * ipa-type-escape.c: Tidy some comments and white space.
9762 * tree-ssa-operands.c: Likewise.
9764 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
9767 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
9768 (dump_decl_name): Do not walk the decl tree chains.
9769 * tree-pass.h (TDF_CHAIN): Remove.
9771 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
9773 * Makefile.in (C): Remove
9775 (.PHONY): Remove C and PROTO
9777 2006-02-20 Roger Sayle <roger@eyesopen.com>
9780 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
9781 deprecated CHAR_TYPE tree code.
9783 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9785 * configure.ac (target_list): Add install-info, dvi, html.
9786 * configure: Regenerate.
9788 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
9789 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
9790 treelang/Make-lang.in: Do not use double-colon rules.
9792 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
9794 * tree.h (struct tree_memory_tag): Add is_used_alone member.
9795 (TMT_USED_ALONE): New macro.
9796 * tree-pass.h (PROP_tmt_usage): New property.
9797 (TODO_update_tmt_usage): New todo.
9798 * tree-ssa-alias.c (updating_used_alone): New variable.
9799 (recalculate_used_alone): New function.
9800 (compute_may_aliases): Set updating_used_alone, call
9801 recalculate_used_alone.
9802 * tree-sra.c (pass_sra): Note that this pass destroys
9803 PROP_tmt_usage, and add TODO_update_tmt_usage.
9804 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
9805 * tree-flow.h (updating_used_alone): Prototype.
9806 (recalculate_used_alone): Ditto.
9807 * passes.c (execute_todo): Add code to set updating_used_alone,
9808 and call recalculate.
9809 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
9810 for clobber if used alone, and add assert to verify used_alone
9813 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
9815 * config/s390/s390.c (legitimize_pic_address): Assertions checking
9816 for non tls symbols added.
9817 (legitimize_address): Do nothing for PLUS expressions if one of the
9818 addends is a tls symbol reference.
9820 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
9824 * Makefile.in (LDFLAGS): Define from autoconf substitution.
9826 * Makefile.in (BOOTSTRAPPING): New.
9827 (quickstrap): New definition if BOOTSTRAPPING=yes.
9829 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
9830 * configure.ac: Substitute all_selected_languages with the languages
9831 that were configured. For all the other variables except
9832 lang_specs_files, include all the languages in the tree.
9833 * configure: Regenerate.
9835 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
9836 if there is one. Run the commands to run fixincludes in the same
9839 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
9840 * doc/install.texi: Document exact conventions for searching target tools.
9841 Document --with-build-time-tools. Document toplevel bootstrap. Document
9842 something more about building an Ada cross-compiler. Don't list GNU Make
9843 requirements which affect all platforms.
9845 2006-02-19 Roger Sayle <roger@eyesopen.com>
9848 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
9849 only equivalent if the have both the same mode and precision.
9851 2006-02-20 Ben Elliston <bje@au.ibm.com>
9853 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
9855 2006-02-19 Roger Sayle <roger@eyesopen.com>
9856 Steven Bosscher <stevenb.gcc@gmail.com>
9858 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
9859 constant pool references to identify stack mode constants.
9860 * rtlanal.c (constant_pool_constant_p): New predicate to check
9861 whether operand is a floating point constant in the pool.
9862 * rtl.h (constant_pool_constant_p): Prototype here.
9863 * loop.c (scan_loop): Avoid hoisting constants from the constant
9864 pool on STACK_REGS targets.
9865 (load_mems): Likewise.
9866 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
9867 loads into x87 registers expensive in terms of register pressure.
9869 2006-02-19 Roger Sayle <roger@eyesopen.com>
9871 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
9872 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
9874 2006-02-19 David Edelsohn <edelsohn@gnu.org>
9876 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9877 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
9879 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
9881 * doc/invoke.texi: Document -fipa-pta.
9882 * common.opt: Add ipa-pta option.
9883 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
9884 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
9885 (do_ds_constraint): Ditto.
9886 (get_constraint_for): Only add to referenced_vars if
9887 referenced_vars exists.
9888 (insert_into_field_list): Rewrite to do this unsorted.
9889 (insert_into_field_list_sorted): Rename old insert_into_field_list
9891 (create_function_info_for): Use insert_into_field_list_sorted.
9892 (create_variable_info_for): Rewrite so it uses unsorted version,
9893 since the field list is sorted.
9894 (intra_create_variable_infos): Only add to referenced_vars if
9895 referenced_vars exists.
9896 (ipa_pta_execute): Init heapvars, and delete when done.
9897 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
9899 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9901 * doc/install.texi: Add missing `@samp'.
9903 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
9905 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
9908 2006-02-18 Mark Wielaard <mark@klomp.org>
9910 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
9911 who added new 4.1 features, bug fixes and integration support.
9913 2006-02-18 David Edelsohn <edelsohn@gnu.org>
9916 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
9919 2006-02-18 Richard Sandiford <richard@codesourcery.com>
9921 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
9922 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
9923 (copy_insn_1): Likewise. Don't copy each field individually.
9925 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
9927 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
9928 * rtl.c (rtx_size): Rename variable to...
9929 (rtx_code_size): ...this.
9930 (rtx_size): New function.
9931 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
9932 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
9934 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
9935 * rtl.h (rtx_code_size): New variable.
9936 (rtx_size): Change from a variable to a function.
9937 (RTX_SIZE): Rename to...
9938 (RTX_CODE_SIZE): ...this.
9941 PR tree-optimization/17106
9942 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
9943 (Anchored Addresses): New section.
9944 * doc/invoke.texi (-fsection-anchors): Document.
9945 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
9946 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
9947 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
9948 * hooks.c (hook_bool_mode_rtx_false): New function.
9949 * hooks.h (hook_bool_mode_rtx_false): Declare.
9950 * gengtype.c (create_optional_field): New function.
9951 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
9952 SYMBOL_REF_IN_BLOCK_P is true.
9953 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
9954 (min_anchor_offset, max_anchor_offset): Likewise.
9955 (use_anchors_for_symbol_p): New hook.
9956 * toplev.c (compile_file): Call output_object_blocks.
9957 (target_supports_section_anchors_p): New function.
9958 (process_options): Check that -fsection-anchors is only used on
9959 targets that support it and when -funit-at-a-time is in effect.
9960 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
9961 if the decl doesn't have one.
9962 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
9963 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
9964 of force_const_mem through use_anchored_address.
9965 (expand_expr_constant): New function.
9966 (expand_expr_addr_expr_1): Call it. Use the same modifier when
9967 calling expand_expr for INDIRECT_REF.
9968 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
9969 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
9970 * expr.h (use_anchored_address): Declare.
9971 * loop-unroll.c: Don't declare rtx vectors here.
9972 * explow.c: Include output.h.
9973 (validize_mem): Call use_anchored_address.
9974 (use_anchored_address): New function.
9975 * common.opt (-fsection-anchors): New switch.
9976 * varasm.c (object_block_htab, anchor_labelno): New variables.
9977 (hash_section, object_block_entry_eq, object_block_entry_hash)
9978 (use_object_blocks_p, get_block_for_section, create_block_symbol)
9979 (use_blocks_for_decl_p, change_symbol_section): New functions.
9980 (get_variable_section): New function, split out from assemble_variable.
9981 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
9982 use_blocks_for_decl_p say so. Use change_symbol_section if the
9983 symbol has already been created.
9984 (assemble_variable_contents): New function, split out from...
9985 (assemble_variable): ...here. Don't output any code for
9986 block symbols; just pass them to place_block_symbol.
9987 Use get_variable_section and assemble_variable_contents.
9988 (get_constant_alignment, get_constant_section, get_constant_size): New
9989 functions, split from output_constant_def_contents.
9990 (build_constant_desc): Create a block symbol if use_object_blocks_p
9991 says so. Or into SYMBOL_REF_FLAGS.
9992 (assemble_constant_contents): New function, split from...
9993 (output_constant_def_contents): ...here. Don't output any code
9994 for block symbols; just pass them to place_section_symbol.
9995 Use get_constant_section and get_constant_alignment.
9996 (force_const_mem): Create a block symbol if use_object_blocks_p and
9997 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
9998 (output_constant_pool_1): Add an explicit alignment argument.
9999 Don't switch sections here.
10000 (output_constant_pool): Adjust call to output_constant_pool_1.
10001 Switch sections here instead. Don't output anything for block symbols;
10002 just pass them to place_block_symbol.
10003 (init_varasm_once): Initialize object_block_htab.
10004 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10005 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10006 (place_block_symbol, get_section_anchor, output_object_block)
10007 (output_object_block_htab, output_object_blocks): New functions.
10008 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10009 (TARGET_ASM_OUT): Include it.
10010 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10011 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10012 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10013 (TARGET_INITIALIZER): Include them.
10014 * rtl.c (rtl_check_failed_block_symbol): New function.
10015 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10016 (block_symbol, object_block): New structures.
10017 (rtx_def): Add a block_symbol field to the union.
10018 (BLOCK_SYMBOL_CHECK): New macro.
10019 (rtl_check_failed_block_symbol): Declare.
10020 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10021 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10022 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10023 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10024 * output.h (output_section_symbols): Declare.
10025 (object_block): Name structure.
10026 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10027 (default_use_anchors_for_symbol_p): Declare.
10028 * Makefile.in (RTL_BASE_H): Add vec.h.
10029 (explow.o): Depend on output.h.
10030 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10031 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10032 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10033 (rs6000_use_blocks_for_constant_p): New function.
10035 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10037 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10039 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10042 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10045 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10047 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10051 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10053 PR middle-end/26334
10054 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10055 instead of DECL_REGISTER.
10057 2006-02-18 Olivier Hainque <hainque@adacore.com>
10060 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10062 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10065 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10066 * opth-gen.awk: Handle Var and InverseMask together.
10067 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10068 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10069 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10070 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10072 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10073 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10074 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10075 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10076 LINUX_DYNAMIC_LINKER): Define.
10077 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10078 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10080 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10081 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10082 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10083 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10084 (TARGET_C99_FUNCTIONS): Don't define.
10085 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10086 GLIBC_DYNAMIC_LINKER.
10087 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10088 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10089 GLIBC_DYNAMIC_LINKER64): Define.
10090 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10091 LINUX_DYNAMIC_LINKER64.
10092 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10093 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10094 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10095 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10096 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10097 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10098 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10099 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10100 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10101 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10102 and LINUX_DYNAMIC_LINKER32.
10103 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10104 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10105 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10106 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10107 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10109 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10110 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10111 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10112 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10113 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10114 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10115 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10116 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10117 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10118 LINUX_DYNAMIC_LINKER): Define.
10119 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10120 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10121 GLIBC_DYNAMIC_LINKER64): Define.
10122 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10123 LINUX_DYNAMIC_LINKER64.
10124 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10125 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10126 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10127 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10128 LINUX_DYNAMIC_LINKER): Define.
10129 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10130 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10131 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10132 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10133 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10134 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10135 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10136 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10137 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10138 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10139 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10140 * doc/invoke.texi (-muclibc): Remove caveat about supported
10143 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10145 * doc/cpp.texi (__TIMESTAMP__): Document.
10147 2006-02-17 Roger Sayle <roger@eyesopen.com>
10149 PR middle-end/25600
10150 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10151 C is one less than the width of X (and related transformations).
10152 * simplify-rtx.c (simplify_unary_operation_1): Transform
10153 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10154 depending on STORE_FLAG_VALUE, were C is one less then the
10157 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10159 Fix PR tree-optimization/26341
10160 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10161 about NAME_MEMORY_TAG's.
10163 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10166 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10167 with hardware float support, and software float support. Add fcpy
10168 alternative to hardware patterns. Add alternatives to copy between
10169 general and floating-point registers to the 32-bit pattern.
10170 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10171 secondary reload to load a QI or HI mode constant into a floating
10173 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10174 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10176 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10179 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10181 (load_macho_picbase_di): Likewise.
10183 2006-02-16 Jeff Law <law@redhat.com>
10185 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10186 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10187 (ssa_name_nonzero_p): Likewise.
10188 (get_value_range): Return NULL if VRP is not running.
10189 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10190 VRP routines do not discover a range.
10191 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10192 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10193 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10194 (tree_expr_nonnegative_p): Similarly.
10195 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10196 (restore_nonzero_vars_to_original_value): Remove.
10197 (unsafe_associative_fp_binop): Remove.
10198 (tree_ssa_dominator_optimize): Remove initialization and
10199 finalization of nonzero_vars and nonzero_vars_stack.
10200 (dom_opt_initialize_block): No longer push marker on
10201 nonzero_vars_stack.
10202 (dom_opt_finalize_block): No longer call
10203 restore_nonzero_vars_to_original_value.
10204 (record_equivalences_from_phis): No longer look for
10205 nonzero PHI arguments.
10206 (cprop_into_successor_phis): No longer propagate nonzero
10207 property into PHI arguments. Lose unused argument. Caller
10209 (record_equivalences_from_stmt): No longer record nonzero
10210 values for SSA_NAMEs.
10211 (lookup_avail_expr): No longer use nonzero_vars.
10213 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10214 for sizetype when sizetype is unsigned.
10216 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10218 PR rtl-optimization/25603
10219 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10220 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10221 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10222 with new meaning of SETS.
10224 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10229 * config/linux.opt: New file.
10230 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10231 LINUX_DYNAMIC_LINKER): Define.
10232 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10233 * config.gcc (*-*-linux*): Define extra_options.
10234 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10235 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10236 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10237 GLIBC_DYNAMIC_LINKER.
10238 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10239 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10240 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10241 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10242 * doc/invoke.texi (GNU/Linux Options): New section.
10244 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10246 * config/sparc/sparc.md (setjmp): Rewrite.
10247 (setjmp_32): Delete.
10248 (setjmp_64): Likewise.
10250 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10252 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10255 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10257 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10260 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10262 PR rtl-optimization/26296
10263 * Makefile.in (loop-invariant.c): Add except.h dependency.
10264 * loop-invariant.c: Include except.h.
10265 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10267 2005-02-16 Paul Brook <paul@codesourcery.com>
10269 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10272 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10274 PR rtl-optimization/25636
10275 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10276 when deciding whether an insn is an initializing insn.
10278 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10280 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10281 (tree_code_size): Ditto.
10282 * tree.h (struct tree_memory_tag): Remove parent_var.
10283 (struct tree_struct_field_tag): New.
10286 (union tree_node): Add sft member.
10287 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10289 (create_sft): Add size and offset argument, set SFT_OFFSET and
10291 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10292 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10293 * tree-flow-inline.h (get_subvar_at): Update for
10294 SFT_OFFSET/SFT_SIZE.
10295 (var_can_have_subvars): Ditto.
10296 (overlap_subvar): Ditto.
10297 * print-tree.c (print_node): Print out interesting things for
10299 * tree-flow.h (struct subvar): Remove offset and size members.
10300 * tree-ssa-operands.c (get_expr_operands): Update for
10301 get_indirect_ref_operands changes.
10302 (get_indirect_ref_operands): Call add_virtual_operand instead of
10303 add_stmt_operand. Only recurse on base var if requested.
10304 (access_can_touch_variable): New function.
10305 (add_stmt_operand): Split virtual operand handling into ...
10306 (add_virtual_operand): Here. Add offset, size, and for_clobber
10307 arguments. Prune alias sets.
10308 (add_call_clobber_ops): Call add_virtual_operand.
10310 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10312 PR middle-end/26300
10313 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10315 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10316 than TREE_CODE as index into omp_clause_num_ops array.
10318 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10320 PR rtl-optimization/26184
10321 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10323 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10324 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10325 must_precede, must_follow and tobe_scheduled.
10328 * opts.c (common_handle_option): Free new_option pointer.
10329 * df-core.c (df_analyze): Free postorder pointer.
10331 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10333 * Makefile.in: Fix the examples about the use of stamps
10335 2006-02-15 Michael Matz <matz@suse.de>
10337 PR middle-end/22275
10339 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10340 influenced by maximum_field_alignment or DECL_PACKED.
10341 (update_alignment_for_field): Ditto.
10342 (place_field): Ditto.
10343 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10346 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10348 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10349 (debug_flow_info): Pass it.
10350 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10351 * bb-reorder.c (reorder_basic_blocks): Likewise.
10352 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10353 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10354 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10355 * gcse.c (gcse_main, bypass_jumps): Likewise.
10356 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10357 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10358 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10359 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10360 * rtl.h (dump_flow_info): Adjust prototype.
10361 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10362 * var-tracking.c (variable_tracking_main): Likewise.
10363 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10364 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10367 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10369 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10372 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10374 PR tree-optimization/26209
10375 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10376 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10378 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10380 2006-02-14 Roger Sayle <roger@eyesopen.com>
10382 PR middle-end/23670
10383 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10384 (X,Y) and the corresponding symmetry related transformations.
10385 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10386 (X,Y) and its symmetry related transformations.
10388 2006-02-14 Roger Sayle <roger@eyesopen.com>
10390 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10393 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10395 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10397 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10400 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10401 support COMDAT group.
10402 * configure: Regenerate.
10404 2006-02-14 Roger Sayle <roger@eyesopen.com>
10406 PR middle-end/26279
10407 PR middle-end/26280
10408 PR middle-end/26283
10409 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10411 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10413 Fix PR tree-optimization/26260
10415 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10417 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10418 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10419 * tree-ssa-structalias.c (create_variable_info_for): Use
10420 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10422 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10424 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10426 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10427 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10428 of the ending condition.
10429 * tree-ssa-loop-manip.c: Include params.h.
10430 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10431 tree_unroll_loop): New functions.
10432 * tree-pass.h (pass_loop_prefetch): Declare.
10433 * loop.c (rest_of_handle_loop_optimize): Test for
10434 -fprefetch-loop-arrays-rtl.
10435 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10436 * timevar.def (TV_TREE_PREFETCH): New timevar.
10437 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10438 pass_loop_prefetch): New.
10439 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10440 (cleanup_tree_cfg_loop): Call scev_reset.
10441 * common.opt (fprefetch-loop-arrays-rtl): Add.
10442 * tree-ssa-loop-prefetch.c: New file.
10443 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10444 (new_temp_expr_table): Initialize expr_vars.
10445 (free_temp_expr_table): Cleanup expr_vars.
10446 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10447 expressions from being merged into one.
10448 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10449 (struct tree_niter_desc): Add control, bound and cmp fields.
10450 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10452 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10453 (tree-cfgcleanup.o): Add SCEV_H dependency.
10454 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10455 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10457 2006-02-14 Richard Guenther <rguenther@suse.de>
10459 PR tree-optimization/26258
10460 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10461 in PHI argument processing.
10463 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10465 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10466 new expression in the requested machine mode.
10468 2006-02-13 Roger Sayle <roger@eyesopen.com>
10470 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10471 directly, instead let do_compare_rtx_and_jump handle this for us.
10472 * expr.c (expand_expr_real_1): Likewise.
10473 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10474 before do_jump_by_parts_greater.
10475 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10476 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10478 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10480 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10482 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10484 PR rtl-optimization/26235
10485 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10486 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10489 2006-02-13 Jeff Law <law@redhat.com>
10491 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10494 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10496 PR middle-end/26092
10497 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10498 twice if decl is a builtin. When trying again, call get_callee_fndecl
10499 first to verify it is still a builtin.
10501 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10503 * dwarf2out.c (base_type_die): Don't add AT_name here.
10504 (subrange_type_die): Don't add AT_name here.
10505 (modified_type_die): Rearrange code flow. Do add AT_name here.
10507 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10509 PR rtl-optimization/26247
10510 PR rtl-optimization/26248
10511 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10513 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10515 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10516 * config/fixtfdi.c: Likewise.
10517 * config/fixunstfdi.c: Likewise.
10518 * config/floatditf.c: Likewise.
10520 2006-02-13 Roger Sayle <roger@eyesopen.com>
10522 PR middle-end/24427
10523 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10524 into (X,C2) if C1 is a subset of the bits of C2. Transform
10525 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10527 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10529 2006-02-13 Josh Conner <jconner@apple.com>
10532 * varasm.c (function_section): Check for section name before
10533 calling select_section on targets that define
10534 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10535 unlikely_text_section instead of hot_function_section if
10536 first_function_block_is_cold.
10538 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10540 PR middle-end/25335
10541 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10543 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10545 PR rtl-optimization/26222
10546 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10547 after tree->rtl expansion.
10548 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10549 before passing it to emit_move_insn.
10551 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10553 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10555 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10556 Clarify documentation.
10557 * c-common.h (warn_write_strings): Remove.
10558 * c-common.c (warn_write_strings): Likewise.
10559 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10562 2006-02-12 Roger Sayle <roger@eyesopen.com>
10564 PR middle-end/25724
10565 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10566 (do_jump_parts_zero_rtx): New function renamed from
10567 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10568 (do_jump_parts_equality_rtx): New function split out from
10569 do_jump_parts_equality. Old implementation renamed as above.
10570 Call do_jump_parts_zero_rtx if either operand is zero.
10571 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10572 do all of the heavy lifting.
10573 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10574 calling either do_jump_by_parts_greater_rtx or
10575 do_jump_by_parts_equality_rtx.
10576 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10577 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10578 moved to do_compare_rtx_and_jump, call it directly.
10579 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10580 mode argument. Call do_compare_rtx_and_jump.
10581 (emit_case_nodes): Update calls to do_jump_if_equal.
10583 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10585 PR rtl-optimization/26225
10586 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10588 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10590 PR rtl-optimization/26232
10591 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10593 2006-02-11 Jason Merrill <jason@redhat.com>
10596 * tree-inline.c (declare_return_variable): Just don't use the
10597 modify target if it's a gimple complex reg and the return slot
10600 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10602 * doc/contrib.texi: Update my entry.
10604 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10606 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10608 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10610 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10613 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10615 * doc/invoke.texi (-floop-optimize2): Removed.
10616 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10617 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10618 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10619 * common.opt (floop-optimize2): Removed.
10620 (fmove-loop-invariants): Enabled by default.
10622 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10624 * tree-if-conv.c (combine_blocks): Free the result of
10625 get_loop_exit_edges.
10627 2006-02-10 Jeff Law <law@redhat.com>
10629 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10631 PR tree-optimization/26213
10632 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10633 loop trying to follow SSA_NAME_VALUE chains.
10635 2006-02-10 Richard Guenther <rguenther@suse.de>
10637 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10638 deal with structures that end in implicitly variable sized arrays.
10640 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10642 PR rtl-optimization/24762
10643 * df-scan.c (df_bb_refs_record): Record correct registers defined on
10646 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
10648 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
10649 (struct ivopts_data): Add regs_used field.
10650 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
10651 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
10652 instead of loop_data->regs_used;
10653 (free_loop_data): Do not free aux fields for loops.
10654 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
10655 and tree_ssa_iv_optimize_finalize.
10657 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
10659 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
10661 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10664 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
10665 computing the effective result type.
10667 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
10669 PR inline-asm/16194
10670 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
10671 (tree_overlaps_hard_reg_set): Declare.
10672 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
10673 type and signature to match function type expected by walk_tree.
10674 (tree_overlaps_hard_reg_set): New function.
10675 (decl_conflicts_with_clobbers_p): Rename to:
10676 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
10677 Use tree_overlaps_hard_reg_set. Changed caller.
10678 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
10679 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
10680 * cris.c (cris_md_asm_clobbers): Likewise.
10682 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
10684 * reload1.c (emit_input_reload_insns): Delete code that tries to
10685 inherit using find_equiv_reg.
10687 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
10689 * c-common.h (flag_const_strings): Don't declare.
10690 * c-common.c (flag_const_strings): Remove.
10691 * c.opt (fconst_strings): Remove.
10692 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
10693 <OPT_Wwrite_strings>: Don't set flag_const_strings.
10694 (c_common_init_options): Don't set flag_const_strings.
10695 * doc/invoke.texi (-fno-const-strings): Remove documentation.
10697 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
10699 * arm.md (tlobits_cbranch): New pattern.
10700 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
10701 testing a single bit.
10703 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10706 * tree-ssa-pre.c (create_component_ref_by_pieces):
10707 Handle RETURN_DECL like VAR_DECL.
10709 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10711 PR middle-end/26134
10712 * fold-const.c (fold_indirect_ref_1): Fold
10713 "*(foo *)&complexfoo" to "__real__ complexfoo"
10714 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
10716 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
10718 * tree-flow-inline.h (var_can_have_subvars):
10719 Volatile variables should not have subvariables.
10721 2006-02-09 Diego Novillo <dnovillo@redhat.com>
10724 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
10725 multiplying unsigned values.
10728 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
10730 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
10732 2006-02-08 Jason Merrill <jason@redhat.com>
10735 * tree.def: Elaborate on difference from MODIFY_EXPR.
10736 * doc/c-tree.texi (INIT_EXPR): Likewise.
10737 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
10738 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
10739 (gimplify_target_expr): Likewise.
10740 (gimplify_cond_expr): Remove target handling.
10741 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
10742 (gimplify_expr): Clobber it here.
10743 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
10744 Do return slot optimization if we have an INIT_EXPR.
10747 * tree-inline.c (declare_return_variable): Also clear
10748 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
10751 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
10753 PR middle-end/22439
10754 * gimplify.c (gimplify_one_sizepos): Fix typo.
10756 2006-02-08 Jeff Law <law@redhat.com>
10758 PR tree-optimization/21417
10759 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
10760 across a backedge if the control statement at the end of the
10761 block is data dependent on other statements in the same block.
10762 (record_temporary_equivalences_from_stmts): Remove over-conservative
10763 test for threading across backedges.
10765 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
10766 control statement, handle all three special cases in the same
10767 manner as they all have the same desired solution. No longer
10768 special case edge flag updating when the post dominator is
10771 2006-02-08 Roger Sayle <roger@eyesopen.com>
10773 * tree.def (CHAR_TYPE): Remove.
10774 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
10775 * dwarf2out.c (base_type_die, is_base_type): Likewise.
10776 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
10777 (gen_string_type_die): Delete unreachable function.
10779 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
10780 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
10781 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
10782 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
10783 * builtins.c (type_to_class): Likewise.
10784 * fold-const.c (fold_convert, build_range_check,
10785 merge_ranges): Likewise.
10786 * expr.c (count_type_elements): Likewise.
10787 * c-pretty-print.c (pp_c_type_specifier): Likewise.
10788 * stor-layout.c (layout_type): Likewise.
10789 * ipa-type-escape.c (type_to_consider): Likewise.
10790 * gimplify.c (omp_firstprivatize_type_sizes,
10791 gimplify_type_sizes): Likewise.
10792 * explow.c (promote_mode): Likewise.
10793 * tree-sra.c (is_sra_scalar_type): Likewise.
10794 * varasm.c (output_constant): Likewise.
10795 * tree-inline.c (remap_type_1): Likewise.
10796 * convert.c (convert_to_pointer, convert_to_real,
10797 convert_to_integer, convert_to_complex): Likewise.
10799 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
10801 * df-scan.c (df_def_record_1): A set destination may
10802 be a parallel regardless of mode.
10804 2006-02-08 Roger Sayle <roger@eyesopen.com>
10807 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
10808 * config/mips/_tilib.c: Remove.
10809 * config/fixtfdi.c: New libgcc source file.
10810 * config/fixunstfdi.c: New source file.
10811 * config/floatditf.c: New source file.
10812 * config/floatunditf.c: New souce file.
10813 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
10814 files above instead of config/mips/_tilib.c.
10815 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
10817 2006-02-08 Jeff Law <law@redhat.com>
10819 PR tree-optimization/26169
10820 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
10823 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
10825 * df.h (DF_REG_SIZE): Return the length of the initialized
10828 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
10830 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
10831 __muldf3): Return a correctly signed zero.
10833 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
10835 * passes.c (register_one_dump_file): Accept the current properties
10836 instead of pass number. Adjust call to dump_register. Remove
10838 (register_dump_files): Now a wrapper around...
10839 (register_dump_files_1): ... this one. Do not modify the pass
10841 (next_pass_1): Cosmetic fix.
10842 (execute_todo): Keep second parameter only. Use curr_properties
10843 instead of fetching it from the pass structure. Check and set
10845 (execute_one_pass): Handle TODO_set_props. Use curr_properties
10846 instead of fetching it from the pass structure. Fix calls to
10847 execute_todo. Update curr_properties and initialize .vcg RTL dump
10848 after running the pass. Reset last_verified.
10849 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
10851 (FIRST_AUTO_NUMBERED_DUMP): New.
10852 (dump_register): Remove "num" parameter, assign it within the
10854 (get_dump_file_name): Modify template for dumps.
10855 * tree-dump.h (dump_register): Adjust prototype.
10856 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
10857 (PROP_trees): Add PROP_gimple_lomp.
10858 (TODO_set_props): New.
10859 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
10860 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
10861 * cfgexpand.c (pass_expand): Destroy PROP_trees.
10863 2006-02-08 Jakub Jelinek <jakub@redhat.com>
10865 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
10866 (sparc64-*-linux*): Likewise.
10867 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
10868 * config/sparc/t-linux: New file.
10869 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
10870 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
10871 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
10872 -m32 -mlong-double-128.
10874 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
10875 * config/alpha/t-linux: New file.
10876 * config/alpha/libgcc-alpha-ldbl.ver: New file.
10878 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
10879 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
10880 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
10881 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
10882 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
10883 (CPP_ARCH32_SPEC): Remove.
10885 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
10887 PR tree-optimization/26145
10888 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
10891 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10894 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
10895 >= 240000 when generating code for SOM runtime.
10896 (output_indirect_call): Don't use "b,l" instruction for indirect calls
10897 to $$dyncall when generating code for SOM runtime..
10899 2006-02-07 Dirk Mueller <dmueller@suse.com>
10902 * doc/invoke.texi (-Wsequence-point): Update documentation
10903 that -Wsequence-point is implemented for C++ as well.
10905 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10907 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
10908 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
10909 (LIB_SPEC): Likewise.
10910 * doc/invoke.texi (SPARC options): Document -pthread.
10912 2006-02-07 Geoffrey Keating <geoffk@apple.com>
10914 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
10917 2006-02-07 Roger Sayle <roger@eyesopen.com>
10919 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
10920 Correct comment describing BOOLEAN_TYPE.
10922 2006-02-07 Dirk Mueller <dmueller@suse.com>
10924 * c.opt: C++ frontend supports -Wdiv-by-zero.
10925 * c-opts.c (c_common_handle_option): Remove dead case.
10927 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10929 * configure.ac (TLS assembler check): Do not enable TLS by
10930 default on SPARC/Solaris before version 10.
10931 * configure: Regenerate.
10933 2006-02-07 David Edelsohn <edelsohn@gnu.org>
10935 * doc/invoke.texi (xl-compat): Document conversion and support
10938 2006-02-07 Jeff Law <law@redhat.com>
10940 * tree-vrp.c (find_conditional_asserts): Update comments.
10941 (simplify_stmt_for_jump_threading): New.
10942 (identify_jump_threads, finalize_jump_threads): New.
10943 (vrp_finalize): Call identify_jump_threads.
10944 (execute_vrp): Call finalize_jump_threads.
10945 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
10946 (vrp_element, vrp_data, vrp_element_p): Remove.
10947 (vrp_hash_elt, vrp_variables_stack): Remove.
10948 (vrp_hash, vrp_eq, record_range): Remove.
10949 (simplify_cond_and_lookup_avail_expr): Remove.
10950 (extract_range_from_cond): Remove.
10951 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
10952 (simplify_stmt_for_jump_threading): New.
10953 (dom_thread_across_edge): New wrapper.
10954 (tree_ssa_dominator_optimize): No longer initialize or
10955 finalize any of the VRP datastructures. Remove iteration
10956 step and simplify as a result of removal of iteration step.
10957 (pass_dominator): Perform a cfg cleanup after DOM.
10958 (dom_opt_finalize_block): Use the new common routines
10959 for threading jumps. Simplify stack management slightly.
10960 No longer need to unwind VRP state.
10961 (record_equivalences_from_incoming_edge): No longer record
10963 (eliminate_redundant_computations): No longer call
10964 simplify_cond_and_lookup_avail_expr.
10965 * tree-flow.h (potentially_threadable_block): Prototype.
10966 (thread_across_edge): Likewise.
10967 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
10968 (tree-ssa-threadedge.o): Add dependencies.
10969 * tree-ssa-threadedge.c: New file.
10970 * passes.c (init_optimization_passes): Merge PHIs before
10971 calling VRP. Run VRP again late in the SSA optimization pipeline.
10973 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
10975 * df-core.c (df_set_blocks): Do not dereference function pointers.
10976 (df_finish1): Likewise.
10977 (df_hybrid_search_forward): Likewise.
10978 (df_hybrid_search_backward): Likewise.
10979 (df_iterative_dataflow): Likewise.
10980 (df_analyze_problem): Likewise.
10981 (df_compact_blocks): Likewise.
10982 (df_dump): Likewise.
10983 * df-scan.c (df_rescan_blocks): Likewise.
10984 (df_record_entry_block_defs): Likewise.
10986 * genconditions.c (write_conditions): Guard the definition of
10987 'insn_conditions' with the check on GCC version.
10988 (write_writer): Guard the traversal 'insn_conditions' with
10989 the check on GCC version.
10991 2006-02-07 Richard Guenther <rguenther@suse.de>
10995 2006-01-30 Richard Guenther <rguenther@suse.de>
10997 * gimplify.c (gimplify_target_expr): Handle easy cases
10998 without creating a temporary.
11000 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11002 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11003 use of float in probability computations. Use edge probabilities
11004 in place of statically computed probabilities.
11005 (min_spec_prob): New static variable.
11006 (schedule_insns): Initialize it.
11007 (GET_SRC_PROB): Removed.
11008 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11010 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11013 * config/ia64/unwind-ia64.c: Revert last change.
11014 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11015 (INCOMING_FRAME_SP_OFFSET): Define.
11017 2006-02-06 Roger Sayle <roger@eyesopen.com>
11019 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11021 2006-02-07 Ben Elliston <bje@au.ibm.com>
11023 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11024 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11025 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11026 (ix86_return_in_memory): Handle TDmode.
11027 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11028 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11030 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11032 * reorg.c (dbr_schedule): Use dump_file instead of file.
11034 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11037 * config/ia64/predicates.md (extr_len_operand): New predicate.
11038 * config/ia64/ia64.md (extv): Tighten constraints.
11040 (*tbit_and_2): Ditto.
11041 (*tbit_and_3): Ditto.
11042 (*tbit_or_2): Ditto.
11043 (*tbit_or_3): Ditto.
11044 (*bit_zero): Ditto.
11047 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11050 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11052 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11054 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11055 loop_optimizer_init and loop_optimizer_finalize
11056 * tree-ssa-sink.c (execute_sink_code): Ditto.
11057 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11058 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11059 tree_ssa_loop_done): Ditto.
11060 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11061 * sched-ebb.c: Include output.h.
11062 (schedule_ebbs): Do not use dump argument.
11063 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11064 * loop.c (loop_dump_stream): Removed.
11065 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11067 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11068 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11069 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11070 loop_iterations, strength_reduce, record_biv, record_giv,
11071 final_giv_value, check_final_value, check_ext_dependent_givs,
11072 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11073 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11074 dump_file instead of loop_dump_stream.
11075 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11076 argument dump_file.
11077 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11079 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11080 * haifa-sched.c: Include output.h
11081 (schedule_insns, sched_init): Do not use dump argument.
11082 * mode-switching.c (optimize_mode_switching): Ditto.
11083 * modulo-sched.c (stats_file): Removed.
11084 (print_node_sched_params): Do not call argument dump_file.
11085 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11086 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11088 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11090 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11091 rtl_loop_init, rtl_loop_done): Ditto.
11092 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11093 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11095 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11096 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11097 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11098 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11099 * emit-rtl.c (renumber_insns): Ditto.
11100 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11101 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11102 * regclass.c (regclass): Ditto.
11103 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11104 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11105 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11106 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11108 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11109 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11111 * gcse.c (gcse_file, debug_stderr): Removed.
11112 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11113 rest_of_handle_gcse): Do not use dump argument.
11114 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11115 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11116 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11117 compute_code_hoist_vbeinout, compute_code_hoist_data,
11118 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11119 compute_store_table, build_store_vectors, insert_insn_start_bb,
11120 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11121 store_motion): Use dump_file instead of gcse_file.
11122 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11123 * profile.c (profile_dump_file): Removed.
11124 (branch_prob): Use dump_file instead of profile_dump_file.
11125 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11127 * tree-ssa-copy.c (dump_copy_of): Ditto.
11128 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11129 dump file to life_analysis.
11130 * bt-load.c (branch_target_load_optimize): Ditto.
11131 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11133 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11134 regclass, dbr_schedule): Declaration changed.
11135 * sched-int.h (sched_init): Declaration changed.
11136 * tree-profile.c (tree_profile_dump_file): Removed.
11137 (tree_profile_hooks): Removed profile_dump_file hook.
11138 * rtl-profile (rtl_profile_dump_file): Removed.
11139 (rtl_profile_hooks): emoved profile_dump_file hook.
11140 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11142 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11143 * tree-cfg.c (build_tree_cfg): Ditto.
11144 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11145 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11146 Declaration changed.
11147 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11148 life_analysis and schedule_insns.
11149 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11151 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11153 * config/mips/mips.c (mips_reorg): Ditto.
11154 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11157 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11159 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11160 (s390_mangle_fundamental_type): New.
11161 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11164 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11165 (alpha_mangle_fundamental_type): New.
11166 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11169 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11171 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11173 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11174 (sparc_mangle_fundamental_type): New.
11176 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11178 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11179 (s390x-*-linux*): Likewise.
11180 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11181 * config/s390/t-linux: New file.
11183 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11185 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11186 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11188 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11190 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11191 (ANTIC_SAFE_LOADS): New macro.
11192 (find_or_generate_expression): Add prototype.
11193 (set_contains_value): Allow null set for sake of not always having
11194 to allocate ANTIC_SAFE_LOADS.
11195 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11196 Allow COMPONENT_REF too.
11197 (valid_in_set): Allow COMPONENT_REF.
11198 Check ANTIC_SAFE_LOADS too.
11199 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11200 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11202 (can_PRE_operation): Add COMPONENT_REF.
11203 (create_component_ref_by_pieces): New function.
11204 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11205 (insert_aux): Move AGGREGATE_TYPE_P check here.
11206 (compute_avail): Set bb local stmt uids.
11207 (pass_pre): Use TODO_update_ssa_only_virtuals.
11209 2006-02-06 Ben Elliston <bje@au.ibm.com>
11211 * configure.ac: Unconditionally disable decimal float by default.
11212 * configure: Regenerate.
11214 2006-02-06 Ben Elliston <bje@au.ibm.com>
11216 * read-rtl.c (read_name): Terminate reading on EOF.
11218 2006-02-06 Ben Elliston <bje@au.ibm.com>
11220 * dfp.c (decimal_real_arithmetic): Change second argument type
11221 from int to enum tree_code. Do not always return true, but now
11222 return result of any call to decimal_do helper functions.
11223 * dfp.h (decimal_real_arithmetic): Update prototype.
11225 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11227 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11229 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11232 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11235 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11237 * tree-vrp.c (cfg_loops): Removed.
11238 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11239 Use current_loops instead of cfg_loops. Pass flags to
11240 loop_optimizer_init.
11241 * cfgloopmanip.c (fix_loop_structure): Update only available
11243 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11244 loop_optimizer_init.
11245 * modulo-sched.c (build_loops_structure): Removed.
11246 (sms_schedule): Use loop_optimizer_init.
11247 * loop-init.c (loop_optimizer_init): Use flags to determine
11248 which properties of loops to prepare.
11249 (rtl_loop_init): Pass flags to loop_optimizer_init.
11250 * tree-ssa-sink.c (execute_sink_code): Ditto.
11251 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11252 * tree-ssa-pre.c (init_pre): Ditto.
11253 * cfgloop.h (LOOPS_NORMAL): New.
11254 (loop_optimizer_init): Declaration changed.
11256 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11258 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11259 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11261 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11263 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11265 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11266 * pa/t-pa64: Delete quadlib.c rule.
11267 * pa/x-ada: Revert last change.
11268 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11270 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11272 PR rtl-optimization/26087
11273 * rtlanal.c (canonicalize_condition): Do not cross basic block
11276 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11279 * config/ia64/ia64.c: Include debug.h.
11280 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11281 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11282 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11283 (process_epilogue, process_set, process_for_unwind_directive):
11284 Output unwind info only if requested. Add CFA info if requested.
11285 Add new arguments as needed. Adjust callers.
11286 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11288 (DWARF2_FRAME_INFO): Define to zero.
11289 * config/ia64/unwind-ia64.c: Remove code that compensated for
11290 the CFA offset error fixed above.
11291 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11292 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11293 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11294 -funwind-tables and -fexceptions to enable frame info.
11295 (dwarf2out_frame_init): Define initial CFA even if
11296 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11297 DWARF2_UNWIND_INFO is nonzero, not just defined.
11298 (dwarf2out_frame_finish): Output non-EH call frame info only
11299 if DWARF2_FRAME_INFO is nonzero.
11300 (convert_cfa_to_loc_list,
11301 compute_frame_pointer_to_cfa_displacement): Define even if
11302 unwind info is not supported.
11303 (gen_subprogram_die): Use the above unconditionally. Remove
11304 legacy alternate code.
11305 * toplev.c (compile_file): Compile in call to
11306 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11307 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11309 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11310 Jakub Jelinek <jakub@redhat.com>
11312 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11313 IBM extended float format long double as "g" on powerpc*-linux.
11315 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11318 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11319 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11321 2006-02-03 Jason Merrill <jason@redhat.com>
11324 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11326 PR middle-end/25977
11327 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11328 on the return slot if it's an NRV.
11330 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11332 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11333 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11334 rewrite_use): Do not handle USE_OUTER.
11335 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11336 add_iv_outer_candidates, may_replace_final_value,
11337 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11338 (find_interesting_uses_op): Functionality of
11339 find_interesting_uses_outer_or_nonlin moved here.
11340 (find_interesting_uses_outside): Use find_interesting_uses_op.
11342 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11345 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11347 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11348 Ulrich Weigand <uweigand@de.ibm.com>
11351 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11352 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11353 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11354 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11356 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11357 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11358 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11359 Define secondary reloads for TFmode moves.
11360 (constant_modes): Add TFmode.
11361 (NR_C_MODES): Set to 8.
11362 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11364 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11365 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11366 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11367 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11368 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11369 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11370 (FPR mode macro): Add TFmode.
11371 (DSF mode macro): New.
11372 (<de>, <dee> mode attributes): Removed.
11373 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11374 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11375 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11376 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11377 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11378 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11379 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11380 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11381 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11382 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11383 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11384 "*negabs<mode>2", "sqrt<mode>2"):
11385 Changed <de> to <xde>. R constraint replaced by <Rf>.
11386 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11388 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11389 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11390 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11392 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11393 "extenddftf2", "extendsftf2"): New expanders.
11394 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11395 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11396 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11397 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11399 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11400 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11401 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11402 __floatditf): Add a GCC_4.1.0 symbol version tag.
11403 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11406 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11409 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11410 Use targetm.binds_local_p instead of TREE_PUBLIC.
11412 2006-02-02 Roger Sayle <roger@eyesopen.com>
11414 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11415 on INTEGER_TYPEs to indicate that it denotes a character type.
11416 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11417 signed_char_type_node, unsigned_char_type_node and char_type_node.
11418 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11419 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11420 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11422 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11423 Daniel Berlin <dberlin@dberlin.org>
11425 * tree-tailcall.c (arg_needs_copy_p): New function.
11426 (eliminate_tail_call): Use arg_needs_copy_p.
11427 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11428 (add_virtual_phis): New function.
11430 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11432 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11433 #ignore instead of #scratch for %g7 .register directive.
11435 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11437 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11440 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11442 * flow.c (calculate_global_regs_live): Assert that there aren't any
11445 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11447 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11448 what its name says.
11449 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11450 bsi_after_labels iterator.
11451 * tree-if-conv.c (find_phi_replacement_condition,
11452 replace_phi_with_cond_modify_expr): Likewise.
11453 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11454 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11456 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11458 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11460 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11463 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11464 array after growing it.
11466 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11468 PR middle-end/24901
11469 * fold-const.c (fold_checksum_tree): Change type of buf.
11471 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11473 * reload.c (push_secondary_reload): Initialize t_icode.
11475 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11477 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11478 -msoft-float -mlong-double-128 only issue a warning, but don't
11479 swich to DFmode long double.
11481 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11483 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11484 has a constant equivalent, iterate over equivalents for arg0,
11485 calling simplify_relational_operation and if there's a result
11486 cheaper than X, apply fold_rtx and return the result.
11488 2006-02-01 Jan Hubicka <jh@suse.cz>
11490 * opts.c (no_unit_at_a_time_default): New global variable.
11491 (decode_options): Use it.
11492 * opts.h (no_unit_at_a_time_default): Declare.
11494 2006-02-01 Paul Brook <paul@codesourcery.com>
11496 * function.c (assign_parm_setup_reg): Use function argument promotion
11498 * expr.c (expand_expr_real_1): Use function argument promotion rules
11501 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11503 * gcc.c (process_command): Change j to 'unsigned int'.
11505 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11507 PR middle-end/26001
11508 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11509 Use the corrected index for the character
11510 out of the string constant.
11512 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11514 * mode-switching.c (optimize_mode_switching): Fix size
11515 allocated for bb_info[n_entities].
11517 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11519 * gcc.c (main): Correct type that is allocated for
11520 explicit_link_files.
11522 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11524 * config/s390/s390.c (init_alignment_context): Set
11525 ALIAS_SET_MEMORY_BARRIER on the MEM.
11526 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11528 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11530 PR middle-end/25933
11531 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11533 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11536 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11538 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11539 * regrename.c: Ditto.
11540 * tree-ssa-loop-im.c: Ditto.
11541 * tree-dump.c: Ditto.
11542 * tree-complex.c: Ditto.
11543 * genrecog.c: Ditto.
11544 * tree-ssa-threadupdate.c: Ditto.
11546 * java/class.c: Ditto.
11547 * java/jcf-parse.c: Ditto.
11548 * java/resource.c: Ditto.
11549 * java/except.c: Ditto.
11550 * java/jvspec.c: Ditto.
11551 * java/jcf-write.c: Ditto.
11552 * java/jcf-path.c: Ditto.
11553 * java/gjavah.c: Ditto.
11554 * java/zextract.c: Ditto.
11555 * java/jcf-io.c: Ditto.
11556 * java/jcf.h: Ditto.
11557 * java/buffer.c: Ditto.
11558 * java/lang.c: Ditto.
11559 * java/parse-scan.y: Ditto.
11560 * java/lex.c: Ditto.
11561 * java/lex.h: Ditto.
11562 * cfgloopmanip.c: Ditto.
11563 * postreload-gcse.c: Ditto.
11564 * tree-ssa-loop-manip.c: Ditto.
11565 * postreload.c: Ditto.
11566 * tree-ssa-loop-ch.c: Ditto.
11569 * cppspec.c: Ditto.
11570 * diagnostic.c: Ditto.
11572 * genoutput.c: Ditto.
11574 * cfghooks.c: Ditto.
11575 * cfgloopanal.c: Ditto.
11576 * objc/objc-act.c: Ditto.
11578 * genextract.c: Ditto.
11579 * genautomata.c: Ditto.
11580 * pretty-print.c: Ditto.
11581 * genemit.c: Ditto.
11582 * cgraphunit.c: Ditto.
11584 * df-scan.c: Ditto.
11585 * haifa-sched.c: Ditto.
11586 * dominance.c: Ditto.
11588 * tree-ssa-loop-ivopts.c: Ditto.
11589 * df-core.c: Ditto.
11590 * mode-switching.c: Ditto.
11591 * modulo-sched.c: Ditto.
11593 * ipa-pure-const.c: Ditto.
11595 * fix-header.c: Ditto.
11597 * tree-stdarg.c: Ditto.
11598 * ipa-utils.c: Ditto.
11599 * loop-init.c: Ditto.
11600 * ipa-inline.c: Ditto.
11601 * cfganal.c: Ditto.
11603 * alloc-pool.c: Ditto.
11604 * dwarf2out.c: Ditto.
11606 * genattrtab.c: Ditto.
11607 * tree-ssa-loop-ivcanon.c: Ditto.
11608 * predict.c: Ditto.
11609 * timevar.c: Ditto.
11611 * fortran/gfortranspec.c: Ditto.
11612 * regmove.c: Ditto.
11613 * local-alloc.c: Ditto.
11614 * langhooks.c: Ditto.
11615 * function.c: Ditto.
11616 * tree-vectorizer.c: Ditto.
11618 * ipa-type-escape.c: Ditto.
11620 * tree-if-conv.c: Ditto.
11621 * profile.c: Ditto.
11623 * tree-data-ref.c: Ditto.
11624 * loop-unroll.c: Ditto.
11625 * treelang/treetree.c: Ditto.
11627 * bt-load.c: Ditto.
11628 * ggc-common.c: Ditto.
11630 * coverage.c: Ditto.
11632 * tree-cfgcleanup.c: Ditto.
11633 * tree-ssa-pre.c: Ditto.
11634 * cfgcleanup.c: Ditto.
11635 * loop-invariant.c: Ditto.
11636 * loop-iv.c: Ditto.
11637 * ipa-prop.c: Ditto.
11638 * print-tree.c: Ditto.
11639 * conflict.c: Ditto.
11640 * ggc-page.c: Ditto.
11641 * sched-deps.c: Ditto.
11642 * regclass.c: Ditto.
11643 * tree-object-size.c: Ditto.
11644 * combine.c: Ditto.
11645 * bb-reorder.c: Ditto.
11646 * resource.c: Ditto.
11647 * var-tracking.c: Ditto.
11648 * cfgloop.c: Ditto.
11649 * df-problems.c: Ditto.
11650 * reg-stack.c: Ditto.
11652 * gccspec.c: Ditto.
11653 * sched-rgn.c: Ditto.
11654 * tree-ssa-structalias.c: Ditto.
11655 * tree-ssa-reassoc.c: Ditto.
11656 * config/darwin-c.c: Ditto.
11657 * config/darwin.c: Ditto.
11658 * config/arm/arm.c: Ditto.
11660 * collect2.c: Ditto.
11661 * reload1.c: Ditto.
11663 2006-01-31 Nicolas Pitre <nico@cam.org>
11665 * arm.md (smaxsi3): Make aware of smax_m1.
11668 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
11670 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
11672 2006-01-31 Richard Guenther <rguenther@suse.de>
11674 * doc/invoke.texi (-msselibm): Document.
11675 * target.h (expand_library_builtin): New target hook.
11676 * builtins.c (expand_builtin): Use expand_library_builtin.
11677 (default_expand_library_builtin): New function.
11678 * gcc.c (LINK_GCC_MATH_SPEC): Define.
11679 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
11680 (link_gcc_math_spec): Declare.
11681 (static_specs): Add link_gcc_math_spec.
11682 * expr.h (default_expand_library_builtin): Declare.
11683 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11684 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
11685 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
11686 * config/i386/i386.opt (msselibm): New target option.
11687 * config/i386/i386.c (ix86_builtin_function_variants): New array.
11688 (ix86_init_sse_abi_builtins): New function.
11689 (ix86_expand_library_builtin): Likewise.
11690 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
11691 (override_options): Handle error conditions wrt -msselibm.
11692 (ix86_builtins): Add function codes for SSE2 ABI builtins.
11693 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
11694 * doc/extend.texi (__builtin_sse2_*): Document new target specific
11697 2006-01-31 Richard Guenther <rguenther@suse.de>
11698 Paolo Bonzini <bonzini@gnu.org>
11700 * doc/install.texi (--disable-libgcc-math): Document.
11702 2006-01-30 Marcin Dalecki <martin@dalecki.de>
11704 * expr.h (expand_normal): new inline function.
11705 * builtins.c: use it, use EXPAND_NORMAL explicitely.
11706 * dojump.c: use it.
11707 * dwarf2out.c: use it.
11710 * expmed.c: use it.
11711 * except.c: use it.
11712 * config/sparc/sparc.c: use it.
11713 * config/i386/i386.c: use it.
11714 * config/rs6000/rs6000.c: use it.
11715 * config/arm/arm.c: use it.
11716 * config/mips/mips.c: use it.
11717 * stmt.c: use it, use EXPAND_NORMAL explicitely.
11719 2006-01-30 Roger Sayle <roger@eyesopen.com>
11721 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
11722 argv to the appropriate type.
11724 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
11726 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
11729 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
11732 * config/s390/s390.c (struct machine_function): New flag
11733 decomposed_literal_pool_addresses_ok_p.
11734 (s390_reorg): Set it before final stage of literal pool transforms.
11735 (s390_decompose_address): Only accept displacements of the form
11736 (minus (label_ref ...) (label_ref ...)) if that flag is set.
11738 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
11740 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
11741 the comparison routine return.
11743 2006-01-30 Michael Matz <matz@suse.de>
11745 * global.c (find_reg): Only evict for global regs.
11746 Take n_refs into account and dump more info.
11748 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
11751 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
11752 (pragma_trap, pragma_nosave_low_regs): Likewise.
11753 (current_function_anonymous_args): Likewise.
11754 (sh_deferred_function_attributes): New variable.
11755 (sh_deferred_function_attributes_tail): Likewise.
11756 (print_operand): For '@', look up trap_exit attribute.
11757 (calc_live_regs): Look up trapa_handler attribute. For trapa
11758 handlers, save/restore fpscr, but don't do any other
11759 interrupt-specific saves.
11760 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
11761 Fix check for partially saved registers to check for SHmedia.
11762 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
11763 (sh_output_function_epilogue): Don't clear any of the removed
11765 (sh_insert_attributes): Don't check pragma_interrupt.
11766 Insert deferred attributes. Check that interrupt attribute is
11767 present for other attributes that require its presence.
11768 (sh_attribute_table): Add new attributes trapa_handler and
11770 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
11771 Don't check for pragma_interrupt. Don't store argument.
11772 * sh.h (pragma_interrupt, sp_switch): Don't declare.
11773 (sh_deferred_function_attributes): Declare.
11774 (sh_deferred_function_attributes_tail): Likewise.
11775 * sh.md (sp_switch_1): Add operand. Change generator caller.
11776 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
11777 (*return_i): Don't use when trap_exit attribute is in effect.
11778 (*return_trapa): New insn pattern.
11779 * sh-c.c: New file.
11780 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
11781 setting c_target_objs and cxx_target_objs.
11782 * t-sh: Add rule for sh-c.o.
11784 2006-01-30 Richard Guenther <rguenther@suse.de>
11787 * gimplify.c (gimplify_target_expr): Handle easy cases
11788 without creating a temporary.
11790 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
11792 * vec.h (safe_grow): Remove duplicated line.
11794 2006-01-29 Diego Novillo <dnovillo@redhat.com>
11797 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
11798 (expand_omp): ... here.
11799 (expand_omp_parallel): Only remove barriers for combined
11800 parallel+workshare constructs.
11802 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
11806 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
11807 * tree.c (build_qualified_type): Chain the new type to the original
11808 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
11809 a POINTER_TYPE or a REFERENCE_TYPE respectively.
11810 (build_pointer_type_for_mode): Only return unqualified types.
11811 (build_reference_type_for_mode): Likewise.
11813 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
11815 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
11816 * Makefile.in (CXX_COMPAT_WARN): Define.
11817 * configure: Regenerate.
11819 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
11822 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
11825 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11827 * toplev.c: Fix thinko.
11829 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
11830 Marcin Dalecki <martin@dalecki.de>
11832 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
11833 (push_srcloc): Use XNEW.
11834 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
11836 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
11838 * df-core.c (df_set_blocks): Deleted all variable.
11840 2006-01-28 Ian Lance Taylor <ian@airs.com>
11842 * cgraphunit.c (cgraph_assemble_pending_functions): Call
11843 cgraph_output_pending_asms.
11845 2006-01-28 Zack Weinberg <zackw@panix.com>
11847 * c.opt: Add -W(no-)overlength-strings.
11848 * doc/invoke.texi: Document it.
11849 * c-opts.c (c_common_handle_option): -pedantic implies
11850 -Woverlength-strings, if not explicitly disabled already.
11851 (c_common_post_options): -Woverlength-strings defaults to off, and
11852 is always off for C++.
11853 * c-common.c (fix_string_type): Issue warning about strings longer
11854 than is portable only if warn_overlength_strings. Rearrange code
11855 a little for clarity.
11856 * configure.in: Check for -Wno-overlength-strings as well before
11857 enabling -pedantic in stage 1.
11858 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
11859 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
11861 * genconditions.c (write_header, write_one_condition)
11862 (write_conditions, write_writer): Consolidate very long strings
11863 that were broken up to fit in C89 portable limit. Don't use
11864 printf when fputs will do.
11866 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
11868 * combine.c (simplify_comparison <AND>): Check
11869 TRULY_NOOP_TRUNCATION before start using a subreg.
11871 * config/mips/mips.md (*branch_zero<mode>,
11872 *branch_zero<mode>_inverted, *branch_equality<mode>,
11873 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
11874 Remove mode check from comparisons.
11876 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
11878 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
11880 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11882 * expmed.c (const_mult_add_overflow_p): Remove.
11883 * expr.h: Remove the prototype for const_mult_add_overflow_p.
11885 * recog.c (validate_replace_rtx_subexp): Remove.
11886 * recog.h: Remove the prototype for
11887 validate_replace_rtx_subexp.
11889 * integrate.h: Remove the prototype for
11890 copy_decl_for_inlining.
11891 * rtl.h: Remove the prototype for mark_constant_function.
11892 * tree-vectorizer.h: Remove the prototype for
11893 vect_strip_conversion.
11895 * modulo-sched.c (create_partial_schedule,
11896 free_partial_schedule, reset_partial_schedule): Make them
11899 * hooks.c (hook_bool_rtx_int_false): Remove.
11900 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
11902 2006-01-28 David Edelsohn <edelsohn@gnu.org>
11904 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
11905 and -mlong-double-128 are incompatible.
11906 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
11907 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
11908 (TARGET_LIBGCC2_CFLAGS): Define.
11909 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
11910 (TARGET_LIBGCC2_CFLAGS): Same.
11911 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
11913 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
11916 * c-typeck.c (build_binary_op): Perform implicit casts of
11917 operands before shortening them.
11919 * cfgloopmanip.c (split_loop_bb): Remove.
11920 * cfgloop.h: Remove the prototype for split_loop_bb.
11922 * cfgloop.c (flow_loop_outside_edge_p): Remove.
11923 * cfgloop.h: Remove the prototype for
11924 flow_loop_outside_edge_p.
11926 * emit-rtl.c (init_virtual_regs): Make it static.
11927 * function.h: Remove the prototype for init_virtual_regs.
11929 * recog.c (peephole2_optimize): Make it static.
11930 * recog.h: Remove the prototype for peephole2_optimize.
11932 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11934 * df-scan.c (df_record_entry_block_defs): Check if
11935 INCOMING_RETURN_ADDR_RTX is defined.
11937 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
11938 Kenneth Zadeck <zadeck@naturalbridge.com>
11940 PR rtl-optimization/24762
11941 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11942 * targhooks.c (hook_void_bitmap): New hook prototype.
11943 * targhoohs.h (hook_void_bitmap): Ditto.
11944 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
11945 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
11946 * target.h (live_on_entry): New function pointer.
11947 * df-scan.c (df_all_hard_regs): Removed.
11948 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
11949 (df_scan_free_internal): Added df->entry_block_defs.
11950 (df_scan_alloc): Ditto.
11951 (df_scan_dump): Ditto.
11952 (df_uses_record): Plumbed flag field properly thru calls.
11953 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
11954 This part fixes PR24762.
11955 (df_bb_refs_record): Added code to make the frame and arg
11956 pointers live in EH blocks.
11957 (df_refs_record): Added call to df_record_entry_block_defs.
11958 (df_record_entry_block_defs): New function.
11959 * df-core.c: Added comments to describe new artifical defs.
11960 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
11961 (entry_block_defs): New field in struct df.
11962 (df_all_hard_regs): Deleted.
11963 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
11964 * df-problems.c (df_ru_bb_local_compute_process_def):
11965 Added code to handle artifical defs in the entry to a function.
11966 (df_ru_bb_local_compute): Ditto.
11967 (df_rd_bb_local_compute_process_def): Ditto.
11968 (df_rd_bb_local_compute): Ditto.
11969 (df_lr_bb_local_compute): Ditto.
11970 (df_ur_bb_local_compute): Ditto.
11971 (df_urec_bb_local_compute): Ditto.
11972 (df_chain_create_bb): Ditto.
11973 (df_ur_local_finalize): Removed entry.
11974 (df_urec_init): Ditto.
11975 (df_urec_local_finalize): Ditto.
11976 (df_ri_bb_compute): Added detection of last use of pseudos.
11977 * Makefile.in (df-scan.o): Updated dependencies.
11978 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
11979 * config/mips/mips.c (mips_set_live_on_entry): Added.
11980 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
11982 * dce.c (marked_insn_p): Added code to handle artifical defs.
11984 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
11986 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
11988 (_mm_cvtsi128_si64): Likewise.
11989 (_mm_cvtsd_si64): Likewise.
11990 (_mm_cvttsd_si64): Likewise.
11991 (_mm_cvtsi64_sd): Likewise.
11992 (_mm_cvtsi64_si128): Likewise.
11993 * config/i386/mmintrin.h (_m_from_int64): Likewise.
11994 (_mm_cvtsi64_m64): Likewise.
11995 (_m_to_int64): Likewise.
11996 (_mm_cvtm64_si64): Likewise.
11997 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
11998 (_mm_cvttss_si64): Likewise.
11999 (_mm_cvtsi64_ss): Likewise.
12000 (_mm_cvtss_f32): Likewise.
12002 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12004 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12005 for pragma redefine_extname.
12007 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12010 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12011 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12012 -mno-minimal-toc to previous content.
12013 (bispecs): Remove goal.
12014 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12015 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12016 compatibility aliases on powerpc-*-*gnu*.
12017 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12018 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12019 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12020 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12021 (ldblspecs): New goal.
12022 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12023 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12025 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12026 L_sf_to_tf or L_df_to_tf is defined.
12028 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12029 Alan Modra <amodra@bigpond.net.au>
12032 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12033 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12034 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12035 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12036 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12037 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12038 (rs6000_override_options): Initialize rs6000_ieeequad.
12039 Initialize TFmode format to ibm_extended_format if not
12041 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12043 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12044 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12045 (function_arg_advance): IBM long double passed in two FPRs, not
12047 (function_arg): IBM long double passed in FPRs.
12048 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12049 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12050 Only multireg GPR aligned.
12051 (rs6000_init_libfuncs): Enable IBM long double functions if not
12053 (rs6000_generate_compare): Use IBM long double compare if not
12055 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12056 (TARGET_IEEEQUAD): Define.
12057 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12058 not TARGET_IEEEQUAD.
12059 * config/rs6000/rs6000.md: Enable TFmode patterns if
12061 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12062 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12063 and -mlong-double-128 are incompatible.
12064 * doc/invoke.texi (-mabi): Collect options together. Add
12065 ibmlongdouble and ieeelongdouble.
12067 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12069 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12071 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12072 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12073 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12074 * rtl.h (rtunion_def): Remove rt_ptr.
12076 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12077 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12078 * config/i386/winnt.c (i386_pe_mark_dllexport)
12079 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12081 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12083 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12085 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12089 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12090 pthread_key_delete. From John David Anglin. gthrw-ify
12091 pthread_getunique_np only if it it's not a macro. Delete
12093 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12094 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12095 __gthread_objc_condition_signal, __gthread_key_delete): Add
12096 "__attribute__ ((__unused__))" to unused arguments.
12097 (__gthread_recursive_mutex_init_function): Add missing return.
12098 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12099 gthr-posix95.h: Use macro-based approach for name redirection
12100 on targets missing weakref.
12102 2006-01-26 Zack Weinberg <zackw@panix.com>
12104 * genconditions.c (write_header): In generated code, #ifdef out
12105 all includes and fake declarations, except includes of bconfig.h
12106 and system.h, unless GCC_VERSION >= 3001. Do not include
12107 gensupport.h in any case.
12108 (write_conditions): Generate a definition of struct c_test. Add
12109 a comment to the generated #endif.
12110 (write_one_condition): Escape backslashes in string too.
12111 (write_writer): Generated code must escape backslashes and quote
12112 marks (but not newlines) in the strings it writes.
12113 * Makefile.in (build/gencondmd.o): Update dependencies.
12115 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12118 * Makefile.in (insn-automata.o): Add header file dependencies.
12119 * genautomata.c: Add includes.
12121 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12124 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12126 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12128 * configure.ac: Expect target tools paths to be passed from the toplevel
12129 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12131 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12133 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12136 * c.opt (Wpointer-sign): Init to -1.
12137 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12138 OPT_pedantic, to 0 otherwise.
12139 * doc/invoke.texi: Update.
12141 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12143 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12144 constants provided by 80387 instructions in the destination mode.
12146 2006-01-26 Richard Guenther <rguenther@suse.de>
12147 Andrew Pinski <pinskia@physics.uc.edu>
12150 partial PR tree-opt/17064
12151 * tree-ssa-structalias.c (intra_create_variable_infos):
12152 Create heap variables for incoming parameters if
12153 flag_argument_noalias > 1.
12154 (find_what_p_points_to): Look through default defs of
12157 2006-01-26 Jeff Law <law@redhat.com>
12160 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12161 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12162 within the VR_RANGE, use the VR_RANGE as the result, not the
12164 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12165 bounds for the type.
12167 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12169 * tree-ssa-alias.c (maybe_create_global_var): Change
12170 subvar walking to an assertion that we don't have subvar'd variables.
12172 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12175 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12176 Use a new variable, inner. PARM_DECLs are always non-weak.
12178 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12180 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12181 --disable-checking.
12183 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12185 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12187 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12189 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12190 (smax_insn, smin_insn, smax_0, smin_0): New.
12192 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12195 * config/cris/cris.c (cris_order_for_addsi3): New function.
12196 * config/cris/cris-protos.h: Prototype it.
12197 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12198 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12199 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12200 (split for "op.S1 [rx=rx+i],ry (swapped)")
12201 (split for "op(s|u).S1 [rx=rx+i],ry")
12202 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12203 Apply cris_order_for_addsi3 when generating addsi3 insns.
12205 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12207 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12208 (TREE_BLOCK): Add call to EXPR_CHECK.
12210 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12213 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12214 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12215 (dump_omp_clauses): ... here.
12216 (dump_generic_node): Handle OMP_CLAUSE.
12217 * tree.c (omp_clause_num_ops): New.
12218 (omp_clause_code_name): New.
12219 (tree_code_size): Handle OMP_CLAUSE.
12220 (tree_size): Likewise.
12221 (make_node): Document handling of OMP_CLAUSE.
12222 (tree_node_structure): Handle OMP_CLAUSE.
12223 (omp_clause_check_failed): New.
12224 (omp_clause_range_check_failed): New.
12225 (omp_clause_operand_check_failed): New.
12226 (build_omp_clause): New.
12227 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12228 * tree.h (enum omp_clause_code): Declare.
12229 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12230 (OMP_CLAUSE_RANGE_CHECK): Define.
12231 (OMP_CLAUSE_ELT_CHECK): Define.
12232 (omp_clause_check_failed): Declare.
12233 (omp_clause_operand_check_failed): Declare.
12234 (omp_clause_range_check_failed): Declare.
12235 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12236 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12237 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12238 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12239 (OMP_CLAUSE_IF_EXPR): Likewise.
12240 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12241 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12242 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12243 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12244 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12245 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12246 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12247 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12248 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12249 (OMP_CLAUSE_CODE): Define.
12250 (OMP_CLAUSE_SET_CODE): Define.
12251 (OMP_CLAUSE_CODE): Define.
12252 (OMP_CLAUSE_OPERAND): Define.
12253 (struct tree_omp_clause): Declare.
12254 (union tree_node): Add field 'omp_clause'.
12255 * treestruct.def (TS_OMP_CLAUSE): Define.
12256 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12257 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12258 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12259 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12260 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12261 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12262 (OMP_CLAUSE): Define.
12263 * print-tree.c (print_node): Handle OMP_CLAUSE.
12264 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12265 * c-typeck.c: Likewise.
12266 * gimplify.c: Likewise.
12267 * c-omp.c: Likewise.
12268 * tree-nested.c: Likewise.
12269 * tree-inline.c: Likewise.
12270 * c-parser.c: Likewise.
12271 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12274 2006-01-25 Roger Sayle <roger@eyesopen.com>
12276 PR rtl-optimization/25703
12277 * combine.c (try_combine): Handle zero_extract and strict_low_part
12278 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12280 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12282 * global.c: Fix comment typos.
12284 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12287 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12288 Use output_addr_const instead of assemble_name.
12290 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12292 * Makefile.in (sched-vis.o): Update dependencies.
12293 * haifa-sched.c (sched_finish): Clear current_sched_info.
12294 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12295 (dump_flow_info): Call it.
12296 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12298 * basic-block.h (dump_bb_info): Declare.
12299 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12300 option, and apply options only for dump files whose TDF_RTL,
12301 TDF_TREE, or TDF_IPA bits match.
12302 * rtl.h: Declare new functions exported from sched-vis.c.
12303 * sched-vis.c: Enable also if scheduling is not used.
12304 (print_value): Print the mode of registers if not inside scheduling.
12305 (print_insn): Make it work outside the scheduler. Beautify the output
12307 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12309 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12311 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12312 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12313 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12314 depending on the value of CONSTANT_POOL_ADDRESS_P.
12315 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12317 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12318 rather than SYMBOL_REF_DECL.
12319 (rtx_constant_pool): Remove const_rtx_sym_htab.
12320 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12321 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12322 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12323 Remove handling of const_rtx_sym_htab.
12324 (find_pool_constant): Delete.
12325 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12326 rather than find_pool_constant.
12327 (get_pool_constant_for_function): Delete.
12328 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12329 find_pool_constant.
12330 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12331 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12332 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12333 (SYMBOL_REF_CONSTANT): New macro.
12334 (get_pool_constant_for_function): Delete.
12335 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12336 rather than SYMBOL_REF_DECL.
12337 (i386_pe_mark_dllimport): Likewise.
12338 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12339 rather than SYMBOL_REF_DECL.
12340 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12341 (machopic_indirect_call_target): Likewise.
12343 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12345 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12347 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12349 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12351 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12353 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12355 2006-01-24 David Daney <ddaney@avtrex.com>
12358 * configure.ac (enable_tls): New enable option.
12359 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12360 * configure: Regenerate.
12361 * doc/install.texi (--enable-tls): Document new option.
12362 (--disable-tls): Ditto.
12364 2006-01-24 Richard Henderson <rth@redehat.com>
12366 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12367 * alias.c (true_dependence): Respect it.
12368 (canon_true_dependence, write_dependence_p): Likewise.
12369 * builtins.c (get_builtin_sync_mem): Set it.
12371 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12373 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12376 2006-01-24 DJ Delorie <dj@redhat.com>
12378 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12379 for storing constants in single-bit bitfields.
12381 2006-01-25 Ben Elliston <bje@au.ibm.com>
12383 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12385 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12388 * tree-ssa-pre.c (phi_translate): Return NULL
12389 for AGGREGATE_TYPE's.
12391 2006-01-24 Zack Weinberg <zackw@panix.com>
12393 * genautomata.c (process_state_for_insn_equiv_partition):
12394 Use xcalloc for insn_arcs_array.
12395 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12396 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12398 2006-01-24 Richard Henderson <rth@redhat.com>
12400 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12401 update all callers.
12403 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12405 PR rtl-optimization/25890
12406 PR rtl-optimization/25905
12407 * combine.c (expand_compound_operation, expand_field_assignment):
12408 Fail if the bitfield's final position is out of bounds.
12410 2006-01-24 Ian Lance Taylor <ian@airs.com>
12412 PR middle-end/25930
12413 * cgraphunit.c (cgraph_output_in_order): Don't clear
12414 cgraph_asm_nodes until after asm strings have been output.
12416 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12418 * fix-header.c (read_scan_file): Add new parameter imultilib when
12419 calling register_include_chains.
12421 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12423 * omp-low.c: Update documentation.
12425 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12426 Daniel Berlin <dberlin@dberlin.org>
12430 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12431 return from the function.
12433 2006-01-22 Zack Weinberg <zackw@panix.com>
12435 * rtl.def (match_code): Add second argument.
12436 * genpreds.c (write_extract_subexp): New function.
12437 (write_match_code): Add path argument. Use write_extract_subexp.
12438 (write_predicate_expr): Pass path to write_match_code.
12439 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12440 not perform a mode test.
12441 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12442 a subexpression does not constrain the top-level code set.
12443 * read-rtl.c (read_rtx_variadic): New function.
12444 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12445 * doc/md.texi: Document new notation.
12446 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12447 (cmpsi_operand): ... here, using new notation.
12449 2006-01-22 Zack Weinberg <zackw@panix.com>
12451 * varray.c: Remove GENERATOR_FILE #ifdefs.
12453 2006-01-22 Zack Weinberg <zackw@panix.com>
12455 * genautomata.c (output_reserved_units_table): Emit nothing if
12456 description->query_units_num is zero. Remove extra blank line.
12457 (output_cpu_unit_reservation_p): Short circuit
12458 if description->query_units_num is zero.
12460 2006-01-22 Zack Weinberg <zackw@panix.com>
12462 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12463 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12464 nor any of the random handful of variables that used to be necessary
12465 when this program was linked with rtlanal.o. Prune set of forward
12466 function declarations.
12467 (struct attr_desc): Remove static_p field.
12468 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12469 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12470 (attr_string): Do not read the character one past the length of
12472 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12473 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12474 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12475 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12476 (make_automaton_attrs): New.
12477 (main): Do not call into genautomata. Call local gen_bypass
12478 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12479 Remove special case for insn_alts.
12480 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12481 varray.h (leftover from previous change). Prune set of forward
12482 function declarations. Remove state_alts fields from all
12483 structures. Remove state_alts_table from struct automaton.
12484 Make everything except main static. Do not maintain num_dfa_decls.
12485 Do not maintain state_alts fields of various structures.
12486 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12487 (add_arc): Remove state_alts argument. All callers updated.
12488 (output_reserved_units_table): Emit #ifdef here...
12489 (output_tables): ...not here. Don't generate state_alts tables.
12490 (expand_automata): Don't generate attributes.
12491 (write_automata): Don't generate state_alts functions.
12492 (main): New function.
12493 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12494 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12495 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12496 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12497 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12498 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12499 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12500 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12502 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12503 * genattrtab.h: Delete file.
12504 * Makefile.in (OBJS-common): Add insn-automata.o.
12505 (insn-automata.o): New rule.
12506 (simple_generated_c): Add insn-automata.c.
12507 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12508 (genprogmd): Add automata.
12509 (build/genattrtab): Needs no extra objects nor libraries.
12510 (build/genautomata): Needs build/vec.o and -lm.
12512 2006-01-22 Zack Weinberg <zackw@panix.com>
12514 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12515 (output_dfa_max_issue_rate, locked_states_num): Delete.
12516 (struct automaton): Add locked_states field.
12517 (output_dead_lock_vect): Save number of locked states in
12518 automaton->locked_states. If it is zero, don't print anything.
12519 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12520 (output_internal_dead_lock_func): Only test the dead_lock_vect
12521 for automata that have locked states.
12522 (output_statistics): Always print the number of locked states for
12523 each automaton. Calculate total number of locked states here.
12524 (write_automata): Don't call output_dfa_max_issue_rate.
12525 * genattrtab.c: Define length_unit_log as a const variable.
12526 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12527 max_insn_queue_index const.
12528 * final.c (length_unit_log): Declare const.
12529 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12531 2006-01-22 Zack Weinberg <zackw@panix.com>
12533 * genautomata.c: Include vec.h, not varray.h.
12534 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12535 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12536 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12537 VEC_* macros operating on appropriately typed vectors, or to
12538 malloced arrays when the size is known in advance. Const-ify
12539 many char* variables and function arguments. No functional changes.
12540 * Makefile.in (build/varray.o): Delete rule.
12541 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12542 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12544 2006-01-22 Zack Weinberg <zackw@panix.com>
12546 * gensupport.c: Define get_insn_name and record_insn_name here.
12547 (read_md_rtx): Call record_insn_name as appropriate.
12548 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12549 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12550 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12552 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12553 (BUILD_VARRAY): Delete.
12554 (genprognormal): Rename genprogmd. Fold in all programs from
12555 genprognoprint; also attrtab.
12556 (build/genattrtab): Just mention genautomata.o and varray.o.
12557 Reorganize a bit, add comments to make the categories clearer.
12559 2006-01-22 Zack Weinberg <zackw@panix.com>
12561 * genconditions.c (condition_table, add_condition): Delete.
12562 (write_conditions): Don't emit n_insn_conditions nor
12563 insn_elision_unavailable. Issue the gcc version #ifdef here,
12564 inside the table, with no #else clause ...
12565 (write_header): ...not here.
12566 (write_writer): New function.
12567 (main): Don't initialize condition_table. Use add_c_test.
12569 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12570 files on the command line.
12571 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12572 Return -1 if there is no entry in the table, don't abort.
12573 (add_c_test, traverse_c_tests): New functions.
12574 * gensupport.h (insn_elision_unavailable, insn_conditions)
12575 (n_insn_conditions): Delete declarations.
12576 (add_c_test, traverse_c_tests): Declare.
12577 * read-rtl.c: Include gensupport.h.
12578 (read_conditions): New function.
12579 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12580 (read_rtx_1): If we get EOF when we were looking for an initial
12581 open paren, return 0. Call read_conditions when appropriate.
12582 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12583 dummy-conditions.o. Eliminate references to insn-conditions.o,
12584 or change them to build/gencondmd.o, as appropriate. Remove
12585 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12586 from $(simple_generated_c). For all files remaining in those
12587 two lists, add insn-conditions.md to the generator command line.
12588 Give insn-constants.h/s-constants their own rules. Add rules
12589 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12590 (build/read-rtl.o): Depend on gensupport.h.
12591 (genprognormal): Include preds.
12592 (genprogearly): Rename genprognoprint; only difference is now that
12593 they don't link with $(BUILD_PRINT).
12594 * dummy-conditions.c: Delete.
12596 2006-01-22 Zack Weinberg <zackw@panix.com>
12598 * genextract.c: Don't include insn-config.h. Do include vec.h.
12599 Declare vectors of int, char, and locstr.
12600 (locstr): New typedef.
12601 (struct extraction): Make all array fields into bare pointers.
12602 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12603 (insn_code_number): Delete.
12604 (accum_extract): New struct.
12605 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12606 (gen_insn): Take insn_code_number as an argument. Use an
12607 accum_extract structure instead of loading data directly into
12608 a struct extraction, and having to know how big it might get.
12609 (walk_rtx): Operate entirely on an accum_extract structure.
12610 (print_path): Avoid unnecessary use of printf.
12611 (print_header): New function, split out of main. Distinguish
12612 more carefully between an unrecognizable insn and an insn that
12613 has the code number of a define_expand.
12614 (main): Pass insn_code_number to gen_insn. Call print_header
12615 only after parsing. Avoid unnecessary use of printf.
12616 * Makefile.in (build/vec.o): New rule.
12617 (build/genextract): Depend on build/vec.o.
12618 (build/genextract.o): Don't depend on insn-config.h.
12620 2006-01-22 Zack Weinberg <zackw@panix.com>
12622 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12623 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12624 practical. Eliminate per-generator-program link rules.
12626 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12628 PR middle-end/24437
12629 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12630 with a call expr to ...
12631 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12633 2006-01-23 Richard Guenther <rguenther@suse.de>
12635 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12636 before make_edge with conditional EDGE_TRUE_VALUE.
12638 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
12639 Jan Hubicka <jh@suse.cz>
12640 Richard Guenther <rguenther@suse.de>
12642 PR rtl-optimization/25654
12643 * cfgexpand.c (aggregate_contains_union_type): New function.
12644 (add_alias_set_conflicts): Call it. Make sure to add conflicts
12645 for structure variables that contain a union type.
12647 2006-01-23 Richard Sandiford <richard@codesourcery.com>
12649 * gengtype.c (new_structure): Return the structure.
12650 (create_option): Add an extra "next" argument.
12651 (create_field): New function.
12652 (adjust_field_rtx_def): Use create_option and create_field.
12653 Remove a now-unnecessary call to find_structure.
12654 (adjust_field_tree_def): Likewise.
12655 (note_yacc_type): Remove an unnecessary call to find_structure.
12656 * gengtype.h (new_structure): Return the structure.
12657 (create_option): Add an extra argument.
12658 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
12659 (option): Adjust calls to create_option.
12661 2006-01-22 David Edelsohn <edelsohn@gnu.org>
12663 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
12665 2006-01-22 Paul Brook <paul@codesourcery.com>
12666 Peter Barada <peter@the-baradas.com>
12668 * config/m68k/m68k.md: Add Coldfire FPU support.
12669 Define FP mode macro and associated attributes.
12670 Use it for float mode patterns.
12671 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
12672 (LIBCALL_VALUE): Use m68k_libcall_value.
12673 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
12674 (m68k_function_value): Ditto.
12675 (emit_move_sequence): Ditto.
12676 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
12677 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
12678 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
12679 (MULTILIB_EXCEPTIONS): Ditto.
12680 * config/m68k/m68k.opt: Add mcfv4e.
12681 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
12682 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
12683 (m68k_output_function_prologue): Save ColdFire FPU registers.
12684 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
12685 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
12686 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
12687 ColdFire FPU registers.
12688 (m68k_libcall_value, m68k_function_value): New functions.
12689 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
12690 (LIBCALL_VALUE): Use m68k_libcall_value.
12691 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
12692 (MASK_COLDFIRE): Add MASK_CFV4E.
12693 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
12694 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
12695 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
12696 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
12697 (GO_IF_LEGITIMATE_ADDRESS): Use it.
12698 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
12699 * doc/invoke.tex: Document -mcfv4e on m68k.
12701 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
12703 * doc/contribute.texi: Change CVS to SVN and update the corresponding
12706 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
12709 * c-opts.c (c_common_handle_option): Don't include
12710 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
12711 * doc/invoke.texi (C++ Dialect Options): Document that
12712 -Wnon-virtual-dtor is no longer included in -Wall.
12714 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
12716 * gcov.c (print_version), gcov-dump.c (print_version),
12717 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
12720 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
12722 * df-scan.c (problem_SCAN): Added NULL reset function.
12723 (df_scan_reset_blocks): Added code to call reset block function
12724 (df_bb_refs_delete) Fixed comment.
12725 (df_insn_refs_delete): Made tolerant of deleting non existent info
12726 for dataflow problems that need to be reset.
12727 * df-core.c (df_set_blocks): Ditto.
12728 * df.h (struct df_problem): Added reset_fun.
12729 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
12730 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
12731 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
12732 functions to clear out all references to def-use or use-def chains.
12734 2006-01-21 Ben Elliston <bje@au.ibm.com>
12736 * varasm.c (assemble_real): Initialise data array.
12738 2006-01-20 Paul Brook <paul@codesourcery.com>
12740 Merge from csl-arm-branch.
12741 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
12742 * config/arm/arm.md (movdi): Force operands[1] to a register
12743 if we have a non-register source.
12744 (*arm_movdi, *movdf_soft_insn): Require that one of the
12745 operands be a register.
12746 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
12747 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
12749 2006-01-20 DJ Delorie <dj@redhat.com>
12751 * varasm.c (initializer_constant_valid_p): Allow pointers
12752 initialized from integer constants of lesser precision.
12753 (output_constant): Allow non-int-sized pointer modes to be
12754 initialized from integer constants.
12756 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
12759 * cppdefault.h (struct default_include): Add multilib flag.
12760 * cppdefault.c (cpp_include_defaults): Set it.
12761 * c.opt (-imultilib): New option.
12762 * c-opts.c (imultilib): New.
12763 (c_common_handle_option): Handle -imultilib.
12764 (c_common_post_options): Likewise.
12765 * c-incpath.c (add_standard_paths, register_include_chains):
12767 * c-incpath.h (register_include_chains): Add extra parameter.
12768 * gcc.c (do_spec_1): Generate -imultilib option.
12769 (The Specs Language): Update %I description.
12770 (process_command): Update copyright notice.
12771 * doc/cppopts.texi (-imultilib): Document.
12772 * doc/invoke.texi (-imultilib): Include in option summary.
12773 (%I): Update specs documentation.
12775 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12777 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
12779 2006-01-20 Richard Sandiford <richard@codesourcery.com>
12781 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
12784 2006-01-20 Richard Guenther <rguenther@suse.de>
12785 Steven Bosscher <stevenb.gcc@gmail.com>
12787 PR rtl-optimization/24626
12788 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
12789 EDGE_TRUE_VALUE if in RTL mode.
12792 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
12793 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
12795 2006-01-20 Dirk Mueller <dmueller@suse.com>
12798 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
12799 instead of a special NOP marker.
12800 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
12801 NOP marker handling.
12802 * c-common.h (empty_body_warning): Add forward declaration.
12803 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
12804 Now uses IS_EMPTY_STMT() instead of special NOP markers.
12806 2006-01-20 Paul Brook <paul@codesourcery.com>
12808 * Makefile.in (lang_checks): Keep going if mkdir fails.
12810 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12812 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
12813 be able to clean out basic block when not necessary.
12814 (df_scan_free): Fixed to properly delete information if df is
12815 unused before calling df_finish.
12816 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
12817 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
12819 (df_bb_refs_delete): New function.
12820 (df_refs_delete): Moved per block code to df_bb_refs_delete.
12821 * df-core.c (df_set_blocks): Added code to properly clean out
12822 unused blocks if they are not part of the blocks to consider.
12823 Added additional null check.
12824 (df_compact_blocks): Added basic block parameter to free_bb_fun to
12825 be able to clean out basic block when not necessary
12826 * df.h (df_free_bb_function): Ditto.
12827 (df_bb_refs_delete): New function.
12828 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
12829 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
12830 basic block parameter to be able to clean out basic block when not
12832 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
12833 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
12834 Fixed to properly delete information if df is unused before
12837 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
12839 PR rtl-optimization/25799
12840 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
12841 Corrected confluence operator to remove bits from op2 before oring
12842 with op1 rather than removing bits from op1.
12843 (df_ru_transfer_function): Corrected test on wrong bitmap which
12844 caused infinite loop. Both of these problems were introduced in
12845 the dataflow rewrite.
12847 2006-01-19 DJ Delorie <dj@redhat.com>
12849 * reload1.c (find_reload_regs): Note the details of reload
12850 failures in the dump file.
12851 (spill_failure): Likewise.
12853 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
12855 * loop-iv.c: Include df.h and hashtab.h.
12856 (enum iv_grd_result): New enum.
12857 (DF_REF_IV, DF_REF_IV_SET): New macros.
12858 (struct biv_entry): New.
12859 (df, bivs): New global variables.
12860 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
12861 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
12863 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
12864 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
12865 analyzed_for_bivness_p, record_biv): New functions.
12866 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
12867 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
12868 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
12870 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
12872 (iv_number_of_iterations): Use new interface to iv analysis.
12873 * loop-unroll.c: Do not include varray.h.
12874 (analyze_iv_to_split_insn): Use new interface to iv
12876 * loop-unswitch.c (may_unswitch_on): Ditto.
12877 * df.c (df_bitmaps_free): Only work for bbs for that structures are
12879 (df_bb_modify): Realloc tables to the new index.
12880 (df_find_use): New function.
12881 * df.h (df_find_use): Declare.
12882 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
12884 * cfgloop.h (struct rtx_iv): Remove analysed field.
12885 (iv_get_reaching_def): Removed.
12886 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
12887 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
12888 (loop-iv.o): Add df.h and hashtab.h dependency.
12889 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
12891 2006-01-20 Alan Modra <amodra@bigpond.net.au>
12894 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
12896 (__floatundisf, __floatundidf): Likewise.
12897 * libgcc2.h (IS_IBM_EXTENDED): Define.
12899 2006-01-19 DJ Delorie <dj@redhat.com>
12901 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
12903 2006-01-19 Paul Brook <paul@codesourcery.com>
12905 * config/arm/arm.c (arm_compute_func_type): Treat all functions
12906 as nothrow when unwinding tables are disabled.
12908 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12911 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
12912 of bit-field" when in system header.
12914 2006-01-19 DJ Delorie <dj@redhat.com>
12916 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
12917 the 16 bit shift limit of the m16c.
12919 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
12922 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
12923 * config/i386/i386.c (output_set_got): Output the label if we have one
12924 for the TARGET_DEEP_BRANCH_PREDICTION case.
12926 2006-01-19 Jan Hubicka <jh@suse.cz>
12927 H.J. Lu <hongjiu.lu@intel.com>
12928 Evandro Menezes <evandro.menezes@amd.com>
12930 * invoke.texi (generic): Document
12932 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
12933 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
12934 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
12935 (x86_use_incdec, x86_pad_returns): New variables
12936 (TARGET_CPU_DEFAULT_generic): New constant
12937 (TARGET_CPU_DEFAULT_NAMES): Add generic.
12938 (enum processor_type): Add generic32 and generic64.
12939 * i386.md (cpu attribute): Add generic32/generic64
12940 (movhi splitter): Behave sanely when both partial_reg_dependency and
12941 partial_reg_stall are set.
12942 (K8 splitters): Enable for generic as well.
12943 * predicates.md (incdec_operand): Use TARGET_INCDEC
12944 (aligned_operand): Avoid memory mismatch stalls.
12945 * athlon.md: Enable for generic64, new patterns for 128bit moves.
12946 * ppro.md: Enable for generic32
12947 * i386.c (generic64_cost, generic32_cost): New.
12948 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
12949 (x86_use_leave): Enable for generic64. (x86_use_sahf,
12950 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
12951 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
12952 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
12953 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12954 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12955 x86_accumulate_outgoing_args, x86_prologue_using_move,
12956 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
12957 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
12958 Enable for generic.
12959 (x86_use_incdec, x86_pad_returns): New.
12960 (override_options): Add generic32 and generic64, translate "generic"
12961 to generic32/generic64 and "i686" to "generic32", refuse
12962 "generic32"/"generic64" as arch target.
12963 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
12964 (ix86_reorg): Honor PAD_RETURNS.
12966 2006-01-19 Diego Novillo <dnovillo@redhat.com>
12968 * tree-pretty-print.c (dump_generic_node): Handle
12969 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
12970 * cgraph.c (cgraph_expand_queue): Rename from
12971 cgraph_analyze_queue. Update all users.
12972 * cgraphunit.c (cgraph_assemble_pending_functions): Process
12973 cgraph_expand_queue.
12974 (cgraph_expand_all_functions): Likewise.
12975 (cgraph_finalize_pending_functions): Remove. Update callers.
12977 * tree.h (OMP_DIRECTIVE_P): Define.
12978 (OMP_PARALLEL_FN): Define.
12979 (OMP_PARALLEL_DATA_ARG): Define.
12980 (OMP_SECTIONS_SECTIONS): Define.
12981 * tree-pass.h (pass_expand_omp): Declare.
12982 * omp-low.c (struct omp_region): Declare.
12983 (struct omp_context): Remove fields 'parallel_type',
12984 'parallel_start_ix' and 'parallel_start_additional_args'.
12986 (struct omp_for_data): Rename from struct expand_omp_for_data.
12987 (omp_regions): New static variable.
12988 (root_omp_region): New static variable.
12989 (find_omp_clause): Make static.
12990 (is_in_combined_parallel_ctx): Remove.
12991 (is_combined_parallel): New.
12992 (extract_omp_for_data): Move earlier in the file.
12993 (workshare_safe_to_combine_p): New.
12994 (get_ws_args_for): New.
12995 (determine_parallel_type): Move earlier in the file.
12996 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
12998 (omp_copy_decl): Likewise.
12999 (create_omp_child_function): Likewise.
13000 (lookup_omp_region): New.
13001 (dump_omp_region): New.
13002 (debug_omp_region): New.
13003 (debug_all_omp_regions): New.
13004 (new_omp_region): New.
13005 (scan_omp_parallel): If parallel_nesting_level > 1, the
13006 directive is nested within another parallel directive.
13007 Set OMP_PARALLEL_FN.
13008 (scan_omp_for): Do not try to handle combined parallel+for
13010 Remove FIXME comment.
13011 (scan_omp_nested): Remove.
13012 (scan_omp_1): Do not call scan_omp_nested when
13013 parallel_nesting_level is > 1.
13014 Do not change the DECL_CONTEXT of local variables found.
13015 (lookup_decl_in_outer_ctx): New.
13016 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13017 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13018 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13019 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13020 If CTX is nested, lookup VAR in the outer context when
13021 building copy assignment.
13022 (lower_send_clauses): Rename from expand_send_clauses.
13023 If CTX is nested, lookup VAR in the outer context when
13024 building copy assignments.
13025 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13026 If CTX is nested, lookup VAR in the outer context when
13027 building copy assignments.
13028 (expand_parallel_call): Rename from build_parallel_call.
13029 Handle combined parallel+workshare cases.
13030 Re-implement to emit code into the CFG.
13032 (expand_omp_parallel): Re-implement to emit code into the CFG.
13033 Call move_sese_region_to_fn to outline the sub-graph
13034 containing the parallel region.
13035 (expand_omp_for_1): Remove.
13036 (expand_omp_for_generic): Re-implement to emit code into the
13038 (expand_omp_for_static_nochunk): Likewise.
13039 (expand_omp_for_static_chunk): Likewise.
13040 (expand_omp_for): Likewise.
13041 (expand_omp_sections): Likewise.
13042 (remove_exit_barriers): New.
13043 (expand_omp_synch): New.
13045 (build_omp_regions_1): New.
13046 (build_omp_regions): New.
13047 (execute_expand_omp): New.
13048 (gate_expand_omp): New.
13049 (pass_expand_omp): Define.
13050 (lower_omp_sections): Rename from expand_omp_sections.
13051 Set OMP_SECTIONS_SECTIONS.
13052 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13053 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13054 (lower_omp_single): Rename from expand_omp_simple.
13055 (lower_omp_master): Rename from expand_omp_master.
13056 (lower_omp_ordered): Rename from expand_omp_ordered.
13057 (lower_omp_critical): Rename from expand_omp_critical.
13058 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13059 (lower_omp_for): Re-implement.
13060 (lower_omp_parallel): Re-implement.
13061 (lower_regimplify): Rename from expand_regimplify.
13062 (lower_omp_1): Rename from expand_omp_1.
13063 If there are syntax errors in the program, replace every
13064 OpenMP directive with NOP.
13065 Call lower_omp_* instead of expand_omp_*.
13066 (lower_omp): Rename from expand_omp.
13068 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13069 * tree-gimple.h (enum omp_parallel_type): Remove.
13070 (gimple_boolify): Declare extern.
13071 (find_omp_clause, determine_parallel_type): Remove.
13073 * gimple-low.c (lower_omp_directive): New.
13074 (lower_stmt): Call it.
13075 (record_vars_into): Move from ...
13076 (record_vars): ... here.
13077 Call record_vars_into with current_function_decl.
13079 * gimplify.c (struct gimplify_ctx): Remove fields
13080 combined_pre_p and combined_ctxp. Update users.
13081 (get_formal_tmp_var): Add documentation.
13082 (gimple_boolify): Make extern.
13083 (gimplify_expr_in_ctx): Remove. Update callers.
13084 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13085 will always be a BIND_EXPR.
13086 (gimplify_expr): Handle OMP_RETURN_EXPR.
13087 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13088 (OMP_PARALLEL): Add 3 operands.
13089 (OMP_SECTIONS): Add 1 operand.
13090 (OMP_RETURN_EXPR): Define.
13092 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13093 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13094 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13095 creating a circular free list.
13096 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13098 * tree-flow.h (move_sese_region_to_fn): Declare.
13099 (record_vars_into): Declare.
13100 * tree-cfg.c (make_omp_sections_edges): New.
13101 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13102 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13103 OMP_SECTIONS and OMP_SECTION.
13104 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13105 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13106 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13107 (gather_blocks_in_sese_region): New.
13108 (struct move_stmt_d): Declare.
13109 (move_stmt_r): New.
13110 (move_block_to_fn): New.
13111 (move_sese_region_to_fn): New.
13113 * passes.c (init_optimization_passes): Schedule
13114 pass_expand_omp after pass_init_datastructures.
13116 * tree-ssa-operands.c (get_expr_operands): Handle
13117 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13118 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13120 2006-01-19 Jeff Law <law@redhat.com>
13122 * tree-vrp.c (extract_range_from_assert): Refine the result range
13123 if the variable referenced by the ASSERT_EXPR has a range and
13124 either the tentative result range or the previous range is a
13127 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13129 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13131 2006-01-19 Jan Hubicka <jh@suse.cz>
13133 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13135 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13137 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13138 (expand_compound_operation, expand_field_assignment): Fail if the
13139 bit lengths of an extract operation are out of range.
13140 (make_extraction): Compute wanted_inner_mode based on the position
13141 and length of the extraction. Make it extraction_mode for non-constant
13142 positions, and do not modify offset in that case. When generating a
13143 new MEM, use a mode that can hold the extraction while keeping correct
13144 alignment. Remove code that supported MEMs wrapped by USEs.
13145 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13147 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13149 * config/s390/s390.md ("Y", "y"): New mode attribute.
13150 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13151 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13152 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13153 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13154 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13155 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13156 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13157 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13158 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13159 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13160 "addsi3", "subsi3"): Insn patterns removed.
13161 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13162 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13163 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13164 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13165 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13166 "*sub<mode>3_cconly2"): New insn patterns.
13167 ("addsi3", "subsi3"): New expanders.
13169 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13171 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13172 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13173 existing STMT_VINFO_VECTYPE if available.
13174 (vect_mark_relevant): Add special handling for stmts that are
13175 marked as STMT_VINFO_IN_PATTERN_P.
13176 (vect_analyze_loop): Call vect_pattern_recog.
13177 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13178 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13180 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13181 (vect_recog_func_ptr): New function-pointer type.
13182 * tree-vect-patterns.c: New file.
13183 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13184 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13185 (vect_pattern_recog_1): New functions.
13186 (vect_pattern_recog_funcs): New array of function pointers.
13188 * tree-vectorizer.h (ternary_op): New enum value.
13189 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13190 declaration. Revised documentation. Removed redundant dump prints.
13191 Removed redundant argument. Added support for reduction patterns.
13192 (vectorizable_reduction): Added support for reduction patterns.
13193 (vect_transform_stmt): Added support for patterns.
13195 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13196 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13197 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13198 (expand_widen_pattern_expr): New function.
13199 (init_optabs): Initialize new optabs udot_prod_optab,
13201 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13202 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13203 (expand_widen_pattern_expr): New function declaration.
13204 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13206 * tree-inline.c (estimate_num_insns_1): Added cases for new
13207 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13208 * tree-pretty-print.c (dump_generic_node): Likewise.
13209 (op_prio): Likewise.
13210 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13211 * tree-ssa-operands.c (get_expr_operands): Added case for
13213 * tree-vect-patterns.c (widened_name_p): New function.
13214 (vect_recog_dot_prod_pattern): Added function implementation.
13215 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13216 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13217 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13218 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13220 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13221 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13222 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13223 (init_optabs): Initialize new optabs widen_ssum_optab,
13225 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13226 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13227 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13228 use instead of type of def.
13229 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13230 function implementation.
13231 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13232 widen_ssumv8hi): New.
13234 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13237 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13240 * c-decl.c (add_flexible_array_elts_to_size): New function.
13241 (finish_decl): Use it.
13243 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13245 * diagnostic.h: Include options.h.
13246 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13247 dependancies for diagnostic.h.
13248 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13250 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13252 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13253 (ssa_ro_call_cache_valid): Ditto.
13254 * tree-ssa-alias.c (sort_tags_by_id): New function.
13255 (init_transitive_clobber_worklist): Ditto.
13256 (add_to_worklist): Ditto.
13257 (mark_aliases_call_clobbered): Ditto.
13258 (compute_tag_properties): Ditto.
13259 (set_initial_properties): Ditto.
13260 (compute_call_clobbered): Ditto.
13261 (compute_may_aliases): Call compute_call_clobbered and grouping.
13262 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13263 (compute_flow_insensitive_aliasing): Grouping now happens in our
13265 (setup_pointers_and_addressables): Remove clobbering related code.
13266 (add_may_alias): Ditto.
13267 (replace_may_alias): Ditto.
13268 (get_nmt_for): Ditto.
13269 (create_global_var):
13270 (is_escape_site): Return an escape_type enumeration.
13271 * tree-flow-inline.h (is_call_clobbered): Global var does not
13272 imply call clobbered.
13273 (mark_call_clobbered): Take a reason for marking this. Remove
13274 marking of globalness, and cache invalidation.
13275 (clear_call_clobbered): Remove cache invalidation code.
13276 * tree-dfa.c (dump_variable): If details is on, dump the reason
13278 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13280 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13281 (struct var_ann_d): Ditto.
13282 (enum escape_type): New.
13283 (mark_call_clobbered): Adjust prototype.
13284 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13285 are never call clobbered.
13286 Record reasons for escaping.
13287 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13288 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13289 (ssa_ro_call_cache_valid): Ditto.
13290 (clobbered_v_may_defs): Ditto.
13291 (clobbered_vuses): Ditto.
13292 (ro_call_vuses): Ditto.
13293 (clobber_stats): New.
13294 (init_ssa_operands): Zero out clobber stats.
13295 (fini_ssa_operands): Print out clobber stats.
13296 (get_call_expr_operands): Pass callee fndecl to
13297 add_call_read_ops).
13298 (add_call_clobber_ops): Remove use of cache.
13299 Add use of PURE_CONST information.
13300 (add_call_read_ops): Remove use of cache.
13301 Add use of static not_read information.
13303 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13305 Introduce TLS descriptors for i386 and x86_64.
13306 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13307 (TARGET_ANY_GNU_TLS): New macro.
13308 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13309 (struct machine_function): Add tls_descriptor_call_expanded_p.
13310 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13311 (ix86_current_function_calls_tls_descriptor): Likewise.
13312 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13313 (override_options): Introduce gnu2 tls dialect.
13314 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13316 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13318 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13319 (ix86_init_machine_status): Initialize new field.
13320 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13321 (ix86_tls_module_base): New.
13322 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13323 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13324 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13325 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13326 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13327 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13328 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13329 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13330 * config/i386/predicates.md (tls_modbase_operand): New.
13331 (tp_or_register_operand): New.
13333 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13335 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13336 (look_for_address_of): Ditto.
13337 (ipa_init): Walk the function decls.
13338 (static_execute): Don't set readonly on FUNCTION_DECL's.
13340 2006-01-18 Roger Sayle <roger@eyesopen.com>
13342 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13343 for shifts where the source and destination registers are different.
13345 2006-01-18 Paul Brook <paul@codesourcery.com>
13347 Merge from csl-arm-branch.
13348 2005-03-14 Julian Brown <julian@codesourcery.com>
13349 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13350 (aeabi_llsl): Likewise.
13351 (ashrdi3): Likewise.
13352 (aeabi_lasr): Likewise.
13353 (lshrdi3): Likewise.
13354 (aeabi_llsr): Likewise.
13355 2005-03-10 Julian Brown <julian@codesourcery.com>
13356 * config.gcc: Disable shared libgcc for SymbianOS.
13357 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13359 2006-01-18 DJ Delorie <dj@redhat.com>
13361 * c-pragma.c (handle_pragma_diagnostic): New.
13362 (init_pragma): Register it.
13363 * doc/extend.texi: Document it.
13365 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13366 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13367 (diagnostic_context): Add classify_diagnostic[].
13368 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13369 as errors if they're overridden to DK_WARNING.
13370 (diagnostic_initialize): Initialize classify_diagnostic[].
13371 (diagnostic_set_kind_override): New.
13372 (diagnostic_report_diagnostic): Check for kind changes.
13373 * opts.c (common_handle_option): Take lang_mask. Update callers.
13374 Handle OPT_Werror_.
13375 * common.opt (Werror=): New.
13376 * doc/invoke.texi: Document -Werror=*
13378 2006-01-18 Jeff Law <law@redhat.com>
13380 * tree-vrp.c (test_for_singularity): Correct test for new
13381 min limit. Use operand_equal_p rather than pointer equality
13382 for testing if new min/max values are equal.
13384 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13385 using range information until after propagation and folding.
13387 2006-01-18 Richard Henderson <rth@redhat.com>
13388 Aldy Hernandez <aldyh@redhat.com>
13389 Jakub Jelinek <jakub@redhat.com>
13390 Diego Novillo <dnovillo@redhat.com>
13392 * omp-low.c: New file.
13393 * c-omp.c: New file.
13395 2006-01-18 Richard Henderson <rth@redhat.com>
13396 Jakub Jelinek <jakub@redhat.com>
13397 Diego Novillo <dnovillo@redhat.com>
13399 * doc/invoke.texi: Document -fopenmp.
13400 * tree-dump.h (debug_function): Declare.
13401 * hooks.c (hook_bool_tree_bool_false): New function.
13402 (hook_tree_tree_null): Remove.
13403 (hook_tree_tree_tree_null): New.
13404 * hooks.h: Update to match.
13405 * tree-pretty-print.c (debug_tree_chain): New.
13406 (print_generic_expr): Handle TDF_CHAIN.
13407 (dump_generic_node): Handle BLOCK.
13408 Do not abort with incomplete SWITCH_EXPRs.
13409 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13410 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13411 print space after directive name.
13412 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13413 Handle OMP_MASTER and OMP_ORDERED.
13414 Handle printing of OMP_BODY just in one place, goto
13415 dump_omp_body in the rest of OMP_* nodes that have
13417 Don't handle clause nodes here. Update omp statements to
13418 use dump_omp_clauses.
13419 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13420 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13421 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13422 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13423 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13424 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13425 Adjust output for GOMP_PARALLEL.
13426 (dump_omp_clauses): New.
13427 (print_declaration): Dump DECL_VALUE_EXPR.
13428 (op_symbol_1): Split out of op_symbol.
13429 (dumping_stmts): Remove. Update all users.
13430 * cgraph.c (cgraph_analyze_queue): New.
13431 (cgraph_add_new_function): New.
13432 * cgraph.h (cgraph_analyze_queue): Declare.
13433 (cgraph_add_new_function): Declare.
13434 (cgraph_lower_function): Remove.
13435 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13436 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13437 and TYPE_P nodes in its default clause.
13438 (empty_body_p): New.
13439 (tree_range_check_failed): New.
13440 (build5_stat): New.
13441 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13442 OMP_CLAUSE_REDUCTION_MERGE,
13443 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13444 OMP_CLAUSE_PRIVATE_DEBUG,
13445 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13446 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13447 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13448 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13449 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13450 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13451 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13452 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13453 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13454 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13455 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13456 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13457 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13458 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13459 (TREE_RANGE_CHECK): New.
13460 (empty_body_p): Declare.
13461 (enum omp_clause_default_kind): New.
13462 (build_string_literal): Declare.
13463 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13464 (build5_stat, build5): Declare.
13465 * tree-pass.h (TDF_CHAIN): Define.
13466 * tree-pass.h (PROP_gimple_lomp): Define.
13467 (pass_lower_omp): Declare.
13468 * diagnostic.h (debug_tree_chain): Declare.
13469 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13471 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13472 * builtins.c (build_string_literal): Make extern.
13473 * gcc.c (include_spec_function): New.
13474 (static_spec_functions): Add it.
13475 (main): Move load of libgomp.spec ...
13476 (LINK_COMMAND_SPEC): ... here.
13477 (link_gomp_spec): New.
13478 (static_specs): Include it.
13479 (LINK_COMMAND_SPEC): Add link_gomp.
13480 (GOMP_SELF_SPECS): New.
13481 (driver_self_specs): Include it.
13482 (switch_matches): Don't mark inline.
13483 (main): Load libgomp.spec.
13484 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13485 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13486 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13487 * tree-gimple.h (enum omp_parallel): Declare.
13488 (determine_parallel_type): Declare.
13489 (omp_firstprivatize_variable): Declare.
13490 (omp_reduction_init): Declare.
13491 (diagnose_omp_structured_block_errors): Declare.
13492 (struct walk_stmt_info): Add want_return_expr.
13493 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13494 (find_omp_clause): Declare.
13495 (insert_field_into_struct): Declare.
13496 (struct walk_stmt_info): Move from tree-nested.c
13497 (walk_stmts): Declare.
13498 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13500 * cgraphunit.c (cgraph_lower_function): Make static.
13501 (cgraph_finalize_pending_functions): New.
13502 (cgraph_finalize_function): Call it.
13503 (cgraph_finalize_compilation_unit): Likewise.
13504 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13505 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13506 (BT_FN_UINT_UINT): New.
13507 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13508 DEF_FUNCTION_TYPE_VAR_4): Document.
13509 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13510 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13511 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13512 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13513 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13514 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13515 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13516 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13517 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13518 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13519 into separate files.
13520 (DEF_GOMP_BUILTIN): New.
13521 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13522 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13523 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13524 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13525 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13526 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13527 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13528 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13529 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13530 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13531 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13532 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13533 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13534 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13535 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13536 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13537 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13538 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13539 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13540 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13541 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13542 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13543 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13544 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13545 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13546 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13547 * sync-builtins.def: New file, moved from builtins.def.
13548 * omp-builtins.def: New file, moved from builtins.def.
13549 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13550 * gimple-low.c (lower_function_body): Clear data.
13551 (lower_stmt): Do not handle COMPOUND_EXPR.
13552 Remove call to print_node_brief.
13553 * c-tree.h (c_finish_omp_clauses): New prototype.
13554 (C_DECL_THREADPRIVATE_P): Define.
13555 (lookup_name_no_remap, c_omp_remap_private): Remove
13556 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13557 (check_for_loop_decls): Update decl.
13558 (lookup_name_no_remap, c_omp_remap_private): Declare.
13559 (build_indirect_ref, build_modify_expr, pushdecl,
13560 pushdecl_top_level): Move to c-common.h.
13561 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13562 before the switch, but just in the 2 places that need it.
13563 * c-decl.c (diagnose_mismatched_decls): Do not check for
13564 mismatched thread-local attributes when OLDDECL is marked
13565 threadprivate and NEWDECL has no thread-local attributes.
13566 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13567 (c_gimple_diagnostics_recursively): Rename from
13568 c_warn_unused_result_recursively. Invoke
13569 diagnose_omp_structured_block_errors.
13570 (check_for_loop_decls): Return a singular decl found.
13571 * langhooks.c (lhd_omp_predetermined_sharing): Return
13572 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13573 (lhd_omp_firstprivatize_type_sizes): New.
13574 (lhd_omp_assignment): New.
13575 (lhd_omp_predetermined_sharing): New.
13576 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13577 (struct lang_hooks_for_types): Add
13578 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13579 omp_predetermined_sharing, omp_disregard_value_expr,
13580 omp_private_debug_clause, omp_clause_default_ctor,
13581 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13582 (c_finish_omp_clauses): New.
13583 (c_finish_bc_stmt): Diagnose break within omp for.
13584 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13585 (build_unary_op): Return error_mark after reporting
13587 (build_modify_expr): Likewise.
13588 * gimplify.c: Include optabs.h and pointer-set.h.
13589 (enum gimplify_omp_var_data): Declare.
13590 (struct gimplify_omp_ctx): Declare.
13591 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13593 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13594 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13595 (splay_tree_compare_decl_uid): New.
13596 (new_omp_context): New.
13597 (delete_omp_context): New.
13598 (gimple_add_tmp_var): Call omp_add_variable.
13599 (gimplify_bind_expr): Likewise.
13600 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13601 true, disregard DECL_VALUE_EXPR on the decl if any.
13602 (gimplify_expr_in_ctx): New.
13603 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13604 omp_add_variable, omp_notice_variable, omp_is_private
13605 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13606 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13607 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13608 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13609 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13610 gimplify_omp_atomic): New.
13611 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13612 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13613 OMP_CRITICAL and OMP_ATOMIC.
13614 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13615 * c-pragma.h (enum pragma_kind): Add
13616 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13617 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13618 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13619 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13620 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13621 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13622 PRAGMA_OMP_THREADPRIVATE.
13623 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13624 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13625 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13626 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13627 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13628 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13629 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13630 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13631 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13632 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13633 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13634 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13635 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13637 (struct nesting_info): Add field_map,
13638 suppress_expansion, debug_var_chain.
13639 (create_nesting_tree): Initialize them.
13640 (lookup_field_for_decl): Use field_map.
13641 (get_nonlocal_debug_decl, get_local_debug_decl): New.
13642 (convert_local_omp_clauses): New.
13643 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
13644 (walk_body): Split out of walk_function.
13645 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
13646 (convert_nonlocal_reference): Handle omp statements.
13647 (convert_local_reference): Likewise.
13648 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
13649 (unnest_nesting_tree): New.
13650 (lower_nested_functions): Call it.
13651 (insert_field_into_struct): Make extern.
13652 (struct walk_stmt_info): Move to tree-gimple.h.
13653 (walk_stmts): Make extern.
13654 * omp-builtins.def: New file.
13655 * tree-iterator.c (expr_only): Clarify comment.
13656 * c-common.h (pushdecl_top_level, pushdecl,
13657 build_modify_expr, build_indirect_ref,
13658 c_finish_omp_master, c_finish_omp_critical,
13659 c_finish_omp_ordered, c_finish_omp_barrier,
13660 c_finish_omp_atomic, c_finish_omp_flush,
13661 c_finish_omp_for, c_split_parallel_clauses,
13662 omp_clause_default_kind, c_omp_sharing_predetermined,
13663 c_omp_remap_decl): Declare.
13664 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
13665 (OBJS-common): Add omp-low.o.
13666 (c-omp.o, omp-low.o): Add.
13667 (gimplify.o): Add dependency on $(OPTABS_H).
13668 (GTFILES): Add omp-low.c.
13669 (gt-stringpool.h): Add.
13670 * tree-cfg.c (set_bb_for_stmt): Do not update the
13671 block-to-labels map if we are currently expanding to RTL.
13672 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
13674 Handle IDENTIFIER_NODE.
13675 (tree_verify_flow_info): Do not ICE when emitting error
13676 messages about invalid labels.
13677 (dump_function_to_file): Reset CFUN before emitting the body
13679 (debug_function): New.
13680 * passes.c (init_optimization_passes): Schedule
13682 * langhooks-def.h (lhd_omp_predetermined_sharing,
13683 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
13685 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
13686 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
13687 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
13688 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
13689 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
13690 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
13691 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
13692 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
13693 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
13694 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
13695 (LANG_HOOK_DECLS): Use them.
13697 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
13698 Richard Henderson <rth@redhat.com>
13699 Jakub Jelinek <jakub@redhat.com>
13700 Diego Novillo <dnovillo@redhat.com>
13702 * c-parser.c (pragma_omp_clause): Define.
13703 (c_parser_declaration_or_fndef): Document OpenMP syntax.
13704 (c_parser_compound_statement): Likewise.
13705 (c_parser_statement): Likewise.
13706 (c_parser_pragma): Handle omp pragmas.
13707 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
13708 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
13709 (c_parser_omp_clause_name, check_no_duplicate_clause,
13710 c_parser_omp_variable_list,
13711 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
13712 c_parser_omp_clause_copyprivate,
13713 c_parser_omp_clause_default,
13714 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
13715 c_parser_omp_clause_lastprivate,
13716 c_parser_omp_clause_nowait,
13717 c_parser_omp_clause_num_threads,
13718 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
13719 c_parser_omp_clause_reduction,
13720 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
13721 c_parser_omp_all_clauses, c_parser_omp_structured_block,
13722 c_parser_omp_atomic, c_parser_omp_barrier,
13723 c_parser_omp_critical, c_parser_omp_flush,
13724 c_parser_omp_for_loop, c_parser_omp_for,
13725 c_parser_omp_master, c_parser_omp_ordered,
13726 c_parser_omp_sections_scope, c_parser_omp_sections,
13727 c_parser_omp_parallel, c_parser_omp_single,
13728 c_parser_omp_construct, c_parser_omp_threadprivate): New.
13729 * c-pragma.c (init_pragma): Do omp pragma registration here.
13730 * c.opt (fopenmp): New flag.
13732 2006-01-18 Eric Christopher <echristo@apple.com>
13734 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
13735 * config/darwin.h (GOMP_SELF_SPECS): Define.
13737 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13739 * rtl.h: Remove the prototype for reg_alloc.
13741 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13744 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
13745 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
13746 sjlj and dwarf2 exception handling.
13747 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
13748 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
13749 * pa/pa.c (function_value): Treat complex and vector types as
13751 (function_arg): Likewise. Only pass scalar floats in the floating
13752 point argument registers.
13753 * pa/t-slibgcc-dwarf-ver: New file.
13754 * pa/t-slibgcc-sjlj-ver: New file.
13755 * pa/t-slibgcc-elf-ver: Delete file.
13757 2006-01-19 Alan Modra <amodra@bigpond.net.au>
13759 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
13760 unlikely_test_section_p test.
13762 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13764 * mode-switching.c (optimize_mode_switching): Make it static.
13765 * basic-block.h: Remove the prototype for
13766 optimize_mode_switching.
13768 * modulo-sched.c (sms_schedule): Make it static.
13769 * rtl.h: Remove the prototype for sms_schedule.
13771 * postreload-gcse.c (gcse_after_reload_main): Make it static.
13772 * rtl.h: Remove the prototype for gcse_after_reload_main.
13774 * reg-stack.c (reg_to_stack): Make it static.
13775 * rtl.h: Remove the prototype for reg_to_stack.
13777 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
13779 * rtl.h: Remove the prototypes for regrename_optimize and
13780 copyprop_hardreg_forward.
13782 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
13784 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
13785 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
13786 Test against the appropriate null constant for the mode.
13787 If 'fixup_overlap' is true, swap the operands if they overlap.
13788 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
13789 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
13790 alpha_split_tmode_pair and adjust for above change.
13791 * config/alpha/alpha.md (movtf_internal): Adjust call to
13792 alpha_split_tfmode_pair and rely on it to swap the operands.
13793 (movti_internal): New insn and post-reload splitter.
13794 (movti): New expander.
13796 2006-01-18 Philippe De Muyter <phdm@macqel.be>
13798 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
13801 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
13803 * rtlanal.c (global_reg_mentioned_p_1,
13804 global_reg_mentioned_p): Remove.
13805 * rtl.h: Remove the prototype for global_reg_mentioned_p.
13807 * flow.c (initialize_uninitialized_subregs): Make it static.
13808 * rtl.h: Remove the prototype for
13809 initialize_uninitialized_subregs.
13811 * function.c (instantiate_virtual_regs): Make it static.
13812 * function.h: Remove the prototype for
13813 instantiate_virtual_regs.
13815 * regmove.c (regmove_optimize, combine_stack_adjustments):
13817 * rtl.h: Remove the prototypes for regmove_optimize and
13818 combine_stack_adjustments.
13820 2006-01-17 Roger Sayle <roger@eyesopen.com>
13822 * config/i386/i386.c (COSTS_N_BYTES): New macro.
13823 (size_cost): Encode costs in bytes so that a reg-reg addition is
13824 equivalent to COSTS_N_INSNS(1).
13825 (override_options): Use the size_cost.branch_cost as the default
13826 ix86_branch_cost when optimizing for size.
13828 2006-01-18 Ben Elliston <bje@au.ibm.com>
13830 * Makefile.in (D32PBIT_FUNCS): New.
13831 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
13832 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
13833 D64PBIT_FUNCS and D128PBIT_FUNCS.
13834 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
13835 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
13837 (decnumber_dep): Define.
13838 * doc/libgcc.texi (Decimal float library routines): New node.
13839 * config/dfp-bit.h, config/dfp-bit.c: New files.
13841 2006-01-18 Ben Elliston <bje@au.ibm.com>
13843 * expr.c (emit_move_change_mode): Always adjust addresses, not
13844 just during reload. Copy replacements only during reload.
13845 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
13846 emit_move_via_integer.
13848 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
13850 * Makefile.in (check-%, check-consistency): Use $${srcdir}
13851 instead of $(srcdir) and ${srcdir}.
13853 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
13856 PR middle-end/11135
13857 * arm.h (struct machine_function): Add pic_reg.
13858 * arm.c (arm_pic_register): Make unsigned.
13859 (arm_override_options): Only set arm_pic_register if
13860 TARGET_SINGLE_PIC_BASE.
13861 (use_return_insn): Only test for a pic register if it is fixed.
13862 (arm_compute_save_reg0_reg12_mask): Likewise.
13863 (thumb_compute_save_reg_mask): Likewise.
13864 (legitimate_pic_operand): Factor out some known invariants.
13865 (legitimize_pic_address): If we don't have a fixed pic register,
13866 then set up a pseudo in the function entry sequence. Handle the
13867 pic base being in a pseudo.
13868 (arm_load_pic_register): Handle the pic register being in a pseudo.
13869 (arm_expand_prologue): Only set up the pic register if it is fixed.
13870 (thumb_expand_prologue): Likewise.
13871 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
13872 (pic_load_addr_based_insn): Likewise.
13873 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
13876 2006-01-18 Ben Elliston <bje@au.ibm.com>
13878 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
13879 decimal float modes for all floating point registers.
13881 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
13882 match_code "mem" with match_test "macho_lo_sum_memory_operand".
13884 2006-01-17 Jakub Jelinek <jakub@redhat.com>
13887 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
13888 even when the pointer is not NULL.
13890 2006-01-16 Ian Lance Taylor <ian@airs.com>
13892 * common.opt (ftoplevel-reorder): New option.
13893 * cgraph.c (cgraph_asm_nodes): New global variable.
13894 (cgraph_asm_last_node): New static variable.
13895 (cgraph_order): New global variable.
13896 (cgraph_create_node): Set new order field.
13897 (cgraph_varpool_node): Likewise.
13898 (decide_is_variable_needed): Return true if not
13899 flag_toplevel_reorder.
13900 (cgraph_add_asm_node): New function.
13901 * cgraph.h (struct cgraph_node): Add order field.
13902 (struct cgraph_varpool_node): Add order field.
13903 (struct cgraph_asm_node): Define.
13904 (cgraph_asm_nodes, cgraph_order): Declare.
13905 (cgraph_add_asm_node): Declare.
13906 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
13908 (cgraph_varpool_assemble_pending_decls): Call it.
13909 (cgraph_output_pending_asms): New static function.
13910 (cgraph_finalize_compilation_unit): Call it.
13911 (struct cgraph_order_sort): Define.
13912 (cgraph_output_in_order): New static function.
13913 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
13914 !flag_toplevel_reorder case.
13915 * c-parser.c: Include "cgraph.h".
13916 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
13918 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
13919 than -fno-unit-at-a-time.
13920 * doc/invoke.texi (Option Summary): Mention
13921 -fno-toplevel-reorder.
13922 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
13923 -funit-at-a-time documentation.
13925 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
13926 Kazu Hirata <kazu@codesourcery.com>
13928 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
13930 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
13932 * Makefile.in (FUNCTION_H): New. Use it instead of
13933 function.h throughout the file.
13934 * function.h: Include tree.h.
13936 2006-01-17 Ben Elliston <bje@au.ibm.com>
13938 * recog.c: Separate some functions with whitespace.
13940 2006-01-16 Richard Henderson <rth@redhat.com>
13942 Merge from gomp branch:
13943 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
13944 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
13945 and rename from struct inline_data. Rename callee* to dst*;
13946 caller* to src*; add copy_decl hook, transform_call_graph_edges,
13947 transform_new_cfg, transform_return_to_modify, and
13948 transform_lang_insert_block flags; remove cloning_p, versioning_p,
13950 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
13951 (copy_decl_for_dup): Remove.
13952 * tree-inline.c (struct inline_data): Move to header.
13953 (insert_decl_map): Export.
13954 (remap_decl): Update for member name changes. Use copy_decl hook.
13955 Allow for replacement to be a non-decl. Remove dead code.
13956 (remap_type_1): Check for existing mapping.
13957 (remap_type): Export.
13958 (remap_decls): Update for member name changes.
13959 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
13960 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
13961 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
13962 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
13963 (tree_function_versioning, build_duplicate_type): Likewise.
13964 (copy_body_r): Likewise. Export.
13965 (copy_decl_for_dup): Split into ...
13966 (copy_decl_for_dup_finish, copy_decl_to_var,
13967 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
13968 (replace_ref_tree, inlining_p): Remove.
13970 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
13972 * ifcvt.c (if_convert): Make it static.
13973 * rtl.h: Remove the prototype for if_convert.
13975 * local-alloc.c (local_alloc): Make it static.
13976 * rtl.h: Remove the prototype for local_alloc.
13978 * loop.c (loop_optimize): Make it static.
13979 * cfgloop.h: Remove the prototype for loop_optimize.
13982 2006-01-16 DJ Delorie <dj@redhat.com>
13984 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
13987 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13989 * pa.md: Disparage copies between general and floating-point registers
13990 in 32-bit move patterns.
13992 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
13995 * Makefile.in (check-%): Depend on site.exp instead of
13996 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
13999 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14001 * global.c (global_alloc): Make it static.
14002 * rtl.h: Remove the prototype for global_alloc.
14004 2006-01-16 Richard Guenther <rguenther@suse.de>
14006 * tree-ssa-alias.c (struct used_part): Add write_only field.
14007 (get_or_create_used_part_for): Initialize it to true.
14008 (create_overlap_variables_for): Don't create structure variables
14009 for structures that only are written to.
14010 (find_used_portions): Handle MODIFY_EXPR to track whether a
14011 structure is only written to.
14013 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14015 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14017 * basic-block.h: Remove the prototype for
14018 partition_hot_cold_basic_blocks.
14020 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14022 * cppspec.c (lang_specific_spec_functions): Remove.
14023 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14024 * gcc.h (lang_specific_spec_functions): Remove.
14025 * gccspec.c (lang_specific_spec_functions): Remove.
14027 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14029 * combine.c (record_value_for_reg): Invalidate registers
14031 (record_dead_and_set_regs_1): Likewise, by passing them to
14032 record_value_for_reg.
14033 (record_dead_and_set_regs): Invalidate stores made by a
14034 call. We do not combine across a call, but we still
14035 relied on equivalences.
14037 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14039 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14040 vrp_int_const_binop returning non-constant nodes.
14042 2006-01-16 Paul Brook <paul@codesourcery.com>
14044 * config/m68k/m68k.c (output_move_const_into_data_reg):
14045 Output correct mnemonic for mvz and mvs.
14047 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14049 * rtl-factoring.c: Add sequence abstraction algorithm.
14050 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14051 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14053 (block_has_preserve_label): New function.
14054 * common.opt: Register new pass.
14055 * Makefile.in: Ditto.
14057 * timevar.def: Ditto.
14058 * tree-pass.h: Ditto.
14059 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14060 * rtl.h (make_jump_insn_raw): Add forward decl.
14061 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14063 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14064 Roger Sayle <roger@eyesopen.com>
14066 * fold-const.c (fold_minmax): New static function.
14067 (fold_binary) <MIN_EXPR>: Call it.
14068 <MAX_EXPR>: Likewise.
14069 * stor-layout.c (place_field): Use DECL_SIZE consistently
14070 in the computation of the new record size.
14072 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14074 * cse.c (cse_condition_code_reg): Make it static.
14075 * rtl.h: Remove the prototype for cse_condition_code_reg.
14077 * combine.c (combine_instructions): Make it static.
14078 * rtl.h: Remove the prototype for combine_instructions.
14080 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14083 * tree.c (get_file_function_name_long): Concatenate the first global
14084 object name with a string derived from the input filename of the object
14087 2006-01-16 Ben Elliston <bje@au.ibm.com>
14089 * config/i386/winnt-stubs.c: Update FSF address.
14090 * config/xtensa/ieee754-df.S: Ditto.
14091 * config/xtensa/ieee754-sf.S: Ditto.
14093 2006-01-14 Ian Lance Taylor <ian@airs.com>
14095 * ifcvt.c (noce_init_if_info): New static function, broken out of
14096 noce_process_if_block.
14097 (noce_process_if_block): Call noce_init_if_info.
14098 (check_cond_move_block): New static function.
14099 (cond_move_process_if_block): New static function.
14100 (process_if_block): Call cond_move_process_if_block.
14102 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14104 * cselib.c (hash_table): Rename to cselib_hash_table.
14105 (cselib_clear_table, discard_useless_values,
14106 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14107 cselib_init, cselib_finish): Adjust uses of hash_table.
14109 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14111 PR tree-optimization/25485
14112 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14113 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14114 is known to be false and true, respectively.
14116 2006-01-14 Richard Guenther <rguenther@suse.de>
14118 PR tree-optimization/22548
14119 PR tree-optimization/22555
14120 PR tree-optimization/22501
14121 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14122 * params.def (salias-max-array-elements): New parameter.
14123 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14124 * doc/invoke.texi (salias-max-array-elements): Document.
14125 * tree-flow-inline.h (var_can_have_subvars): We also handle
14127 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14129 * tree-ssa-structalias.c (params.h): Include.
14130 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14131 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14132 (get_constraint_for): For ADDR_EXPR operating on something
14133 containing an ARRAY_REF, add all subvars to the solution.
14134 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14135 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14136 for creating MUST_DEFs.
14137 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14139 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14141 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14143 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14144 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14145 number_of_iterations_le): New functions.
14146 (number_of_iterations_special): Removed.
14147 (number_of_iterations_exit): Do not use number_of_iterations_special.
14148 * tree.c (unsigned_type_for): Always return integer type.
14150 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14151 Richard Guenther <rguenther@suse.de>
14153 PR rtl-optimization/24257
14154 * gcse.c (find_moveable_store): Only consider a store movable
14155 when the SET_SRC of the insn can be assigned to a register.
14157 2006-01-14 Ian Lance Taylor <ian@airs.com>
14159 * tree.c (tree_not_class_check_failed): New function.
14160 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14161 (tree_not_class_check_failed): Declare.
14163 2006-01-13 Ian Lance Taylor <ian@airs.com>
14165 * reload1.c (do_output_reload): Add assertion rejecting a
14168 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14170 * combine.c (struct reg_stat): Add new fields truncation_label and
14172 (record_value_for_reg): Reset truncated_to_mode.
14173 (record_truncated_value): New function.
14174 (check_promoted_subreg): Call it. Rename to check_conversions.
14175 (combine_instructions): Rename check_promoted_subreg to
14177 (reg_truncated_to_mode): New function.
14178 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14179 (gen_lowpart_or_truncate): New function.
14180 (force_to_mode): Use it instead of gen_lowpart.
14182 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14184 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14185 VAR is a tag, not its type tag.
14187 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14189 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14190 alternatives to match style of other entries.
14191 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14193 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14195 PR tree-optimization/25771
14196 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14199 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14202 * tree-inline.c (declare_return_variable): If the return variable
14203 was marked as a non gimple complex, set the return slot variable
14204 to be a non gimple comple variable.
14206 2006-01-13 Richard Guenther <rguenther@suse.de>
14208 * builtins.c (expand_builtin_sincos): New function.
14209 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14211 (expand_builtin): Expand sincos using expand_builtin_sincos.
14213 2006-01-12 DJ Delorie <dj@redhat.com>
14215 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14216 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14217 so that constant shifts can be split.
14218 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14219 (m32c_valid_pointer_mode): Make static.
14220 (shift_gen_func_for): New.
14221 (m32c_prepare_shift): Use it. Split large const shifts into
14223 * config/m32c/predicates.md (shiftcount_operand): Allow more
14225 (longshiftcount_operand): New.
14226 * doc/md.texi (Machine Constraints): Document In6.
14228 2006-01-13 Ben Elliston <bje@au.ibm.com>
14230 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14231 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14234 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14236 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14237 to try to avoid clobbering pieces of structures when we know
14238 something about the whole structure.
14239 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14241 2006-01-13 Ben Elliston <bje@au.ibm.com>
14243 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14244 return in memory, as this is no limitation is no longer present.
14246 2006-01-12 DJ Delorie <dj@redhat.com>
14248 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14249 mova with fb, and for fb+0 -> An.
14251 * config/m32c/mov.md (peephole2): Fix enabling logic.
14253 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14254 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14255 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14256 FINI_ARRAY_SECTION_ASM_OP): Define.
14258 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14260 (m32c_legitimize_reload_address): New logic to reload FB to An.
14261 (m32c_output_reg_push): Add newline.
14262 (m32c_output_reg_pop): Likewise.
14264 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14266 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14268 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14270 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14272 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14274 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14277 2006-01-11 Ben Elliston <bje@au.ibm.com>
14279 * rtlanal.c (find_reg_note): Assert insn is not null.
14281 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14283 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14286 2006-01-11 Jeff Law <law@redhat.com>
14288 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14290 (mark_threaded_blocks, register_jump_thread): New functions.
14291 (thread_through_all_blocks): Remove unwanted argument. No
14292 longer rely on e->aux to communicate thread target info.
14293 Call mark_threaded_blocks. Release the threaded_blocks
14294 bitmap and threaded_edges vector when complete.
14295 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14296 (threaded_blocks): Remove.
14297 (tree_ssa_dominator_optimize): Remove initialization and
14298 finalization of threaded_blocks. Simplify call to
14299 thread_through_all_blocks.
14300 (thread_across_edge): Call register_jump_thread rather than
14301 storing thread information into e->aux.
14302 (free_all_edge_infos): Simplify now that e->aux is no longer
14303 used to communicate with thread_through_all_blocks.
14304 * tree-flow.h (thread_through_all_blocks): Update prototype.
14305 (register_jump_thread): Prototype.
14307 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14309 * df-core.c (df_compact_blocks, df_bb_replace): Use
14310 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14312 2006-01-11 Richard Guenther <rguenther@suse.de>
14314 PR tree-optimization/25734
14315 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14316 stop propagation after successful propagation to the LHS.
14318 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14320 * basic-block.h (control_flow_graph): Change the type of
14321 x_basic_block_info to VEC(basic_block,gc) *.
14322 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14324 (SET_BASIC_BLOCK): New.
14325 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14326 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14327 * cfgbuild.c (find_basic_blocks): Likewise.
14328 * cfglayout.c (fixup_reorder_chain): Likewise.
14329 * cfgrtl.c (create_basic_block_structure,
14330 rtl_create_basic_block): Likewise.
14331 * ifcvt.c (find_if_case_1): Likewise.
14332 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14335 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14337 * Makefile.in: Removed rotted odf.c entry.
14339 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14342 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14343 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14344 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14345 output pattern modifier, not %e.
14346 * config/cris/cris.c (cris_op_str): Update comment about pattern
14348 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14349 before falling through into...
14350 <case 'E'>: Redefined from old 'e' case.
14352 2006-01-11 Jan Hubicka <jh@suse.cz>
14355 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14357 2006-01-11 Jan Hubicka <jh@suse.cz>
14359 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14360 * i386.c (x86_decompose_lea): Kill.
14361 (ix86_rtx_costs): Kill.
14363 2006-01-11 Jan Hubicka <jh@suse.cz>
14365 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14366 * cgraph.h (cgraph_node): Add inline_decl.
14367 (cgraph_insert_node_to_hashtable): Declare.
14368 (save_inline_function_body): Declare.
14369 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14371 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14372 (cgraph_function_versioning): Update call of tree_function_versioning.
14373 (save_inline_function_body): New function.
14374 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14375 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14376 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14377 (cgraph_default_inline_p): Likewise.
14378 (cgraph_decide_inlining_incrementally): Likewise.
14379 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14380 (copy_bb): Kill saving; do updating of clones.
14381 (copy_cfg_body): Kill saving.
14382 (initialize_inlined-parameters): Likewise.
14383 (expand_call_inline): Likewise.
14385 (tree_function_versioning): New parameter "update_clones".
14386 (inlining_p): Kill saving.
14387 * tree-inline.h (tree_function_versioning): Update prototype.
14388 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14391 2006-01-11 Ian Lance Taylor <ian@airs.com>
14393 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14394 Allow undoing set of machine mode.
14395 (do_SUBST): Use enums instead of is_int.
14396 (do_SUBST_MODE): New function.
14397 (SUBST_MODE): New macro.
14398 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14399 reg and trying to replace reg_regno_rtx with a new register.
14400 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14401 (simplify_set): Use SUBST_MODE.
14402 (distribute_notes): Remove code that tried to update reg notes
14403 for regno_reg_rtx changes.
14405 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14407 PR tree-optimization/23109
14408 PR tree-optimization/23948
14409 PR tree-optimization/24123
14411 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14412 * tree-cfg.c (single_noncomplex_succ): New.
14413 * tree-flow.h (single_noncomplex_succ): Declare it.
14414 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14415 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14416 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14417 insert_bb, register_division_in, insert_reciprocals,
14418 replace_reciprocal, free_bb): New.
14419 (execute_cse_reciprocals_1): Rewritten.
14420 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14421 Do not commit any edge insertion. Always compute dominators and
14422 create the allocation pool.
14423 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14424 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14425 * targhooks.c (default_min_divistions_for_recip_mul): New.
14426 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14427 * passes.c (init_optimization_passes): Run recip after tree loop
14429 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14431 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14432 Kenneth Zadeck <zadeck@naturalbridge.com>
14434 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14435 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14436 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14437 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14438 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14439 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14440 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14441 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14442 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14443 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14444 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14445 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14446 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14447 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14448 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14449 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14450 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14451 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14452 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14453 DF_SCAN_POST_ALLOC): New macros.
14454 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14455 df_free_bb_function, df_local_compute_function, df_init_function,
14456 df_dataflow_function, df_confluence_function_0,
14457 df_confluence_function_n, df_transfer_function,
14458 df_finalizer_function, df_free_function, df_dump_problem_function,
14459 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14460 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14461 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14462 df_urec_bb_info, ) New types.
14463 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14465 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14466 df_analyze_simple_change_some_blocks,
14467 df_analyze_simple_change_one_block, df_compact_blocks,
14468 df_bb_replace, df_bb_regno_last_use_find,
14469 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14470 df_insn_regno_def_p, df_find_def, df_find_use,
14471 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14472 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14473 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14474 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14475 debug_df_chain, df_get_dependent_problem, df_chain_create,
14476 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14477 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14478 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14479 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14480 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14481 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14482 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14483 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14484 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14485 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14486 df_reorganize_refs, df_set_state, df_hard_reg_init,
14487 df_read_modify_subreg_p) New public functions.
14488 * df-core.c: The core dataflow solver and glue routines for rtl
14490 (df_init, df_add_problem, df_set_blocks, df_finish,
14491 df_hybrid_search_forward, df_hybrid_search_backward,
14492 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14493 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14494 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14495 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14496 df_reg_defined, df_find_use, df_reg_used, df_dump,
14497 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14498 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14499 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14500 debug_df_useno, reset_df_after_reload): New functions.
14501 * df-scan.c: The scanning fuctions, once in df.c, completely
14502 rewritten so that they now fully model the functionality of
14503 register usage at the backend.
14504 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14505 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14506 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14507 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14508 df_get_artificial_defs, df_get_artificial_uses,
14509 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14510 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14511 df_refs_delete, df_reorganize_refs, df_set_state,
14512 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14513 df_def_record_1, df_defs_record, df_uses_record,
14514 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14515 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14516 df_record_exit_block_uses, df_hard_reg_init): New functions.
14518 * df-problems.c: Seven concrete dataflow problems that use the
14519 scanning in df-scan.c and are solved by the engine in df-core.c.
14520 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14521 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14522 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14523 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14524 df_ru_free_bb_info, df_ru_alloc,
14525 df_ru_bb_local_compute_process_def,
14526 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14527 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14528 df_ru_transfer_function, df_ru_free, df_ru_dump,
14529 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14530 df_rd_free_bb_info, df_rd_alloc,
14531 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14532 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14533 df_rd_transfer_function, df_rd_free, df_rd_dump,
14534 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14535 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14536 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14537 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14538 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14539 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14540 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14541 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14542 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14543 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14544 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14545 df_urec_mark_reg_use_for_earlyclobber,
14546 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14547 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14548 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14549 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14550 df_chain_create_bb_process_use, df_chain_create_bb,
14551 df_chain_finalize, df_chain_free, df_chains_dump,
14552 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14553 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14554 df_reg_lifetime): New functions.
14555 * df.c: Deleted file.
14556 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14557 consistent with new df api.
14558 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14559 rest_of_handle_sms): Ditto.
14560 * web.c (unionfind_union, union_defs, entry_register, web_main):
14562 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14563 invariant_expr_equal_p, find_defs, check_dependencies,
14564 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14565 free_inv_motion_data, move_loop_invariants): Ditto.
14566 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14567 Update dependencies.
14568 (odf.c): Added defective entry that was deleted later in day.
14569 * sched-deps.c (sched_analyze_1): Ditto.
14571 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14573 * tree-ssa-operands.c (get_expr_operands): Record addressable
14574 variables directly. Do not call add_stmt_operands for CONST_DECLs
14576 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14577 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14579 2006-01-11 Ben Elliston <bje@au.ibm.com>
14581 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14582 function returns true in the positive case.
14584 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14587 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14588 for SI, DI, SF and DF modes. Add alternatives to copy between
14589 general and floating point registers to the 32-bit patterns.
14590 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14591 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14592 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14593 generating 64-bit code.
14594 * config/pa/pa.c (output_move_double): Handle copies between general
14595 and floating registers.
14597 2006-01-10 Stuart Hastings <stuart@apple.com>
14599 * config/i386/i386.md (set_got): Update.
14600 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14601 (builtin_setjmp_receiver): Mach-O support.
14602 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14603 (GOT_SYMBOL_NAME): Define.
14604 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14605 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14606 * config/i386/i386.c (override_options): Revise for Darwin.
14607 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14608 support. (darwin_x86_file_end): New. (output_set_got): Add label
14609 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14610 * config/i386/i386-protos.h (output_set_got): Likewise.
14611 * config/darwin.c (machopic_legitimize_pic_address): Update
14614 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14616 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14617 when MODE isn't BLKmode.
14619 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14621 PR rtl-optimization/25367
14622 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14624 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14627 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14628 for a negative bound.
14630 2006-01-10 Richard Guenther <rguenther@suse.de>
14632 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14633 Never override with anything constraint.
14635 2006-01-10 Jan Beulich <jbeulich@novell.com>
14637 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14638 256 bits when optimize_size.
14640 2006-01-10 Jan Beulich <jbeulich@novell.com>
14642 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
14644 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
14645 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
14648 2006-01-10 Ben Elliston <bje@au.ibm.com>
14650 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
14652 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
14653 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14654 (USE_FP_FOR_ARG): Reject decimal float modes.
14655 (function_arg_advance): Likewise.
14656 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
14657 (rs6000_handle_altivec_attribute): Do not permit decimal floating
14658 point types in AltiVec vectors.
14659 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
14660 (rs6000_libcall_value): Likewise.
14662 2006-01-09 Bob Wilson <bob.wilson@acm.org>
14664 * config/xtensa/ieee754-df.S: New file.
14665 * config/xtensa/ieee754-sf.S: New file.
14666 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
14667 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
14668 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
14670 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
14672 * config/sh/predicates.md (binary_float_operator,
14673 binary_logical_operator, commutative_float_operator,
14674 equality_comparison_operator, greater_comparison_operator,
14675 less_comparison_operator, logical_operator,
14676 noncommutative_float_operator, shift_operator,
14677 symbol_ref_operand, unary_float_operator): Remove redundant
14680 2006-01-09 Jeff Law <law@redhat.com>
14682 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
14683 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
14684 now unused arguments. Callers updated.
14685 (eliminate_redundant_computations): Remove now unused arguments,
14687 (local_fold): Remove, no longer used.
14688 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
14690 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
14691 (simplify_cond): New function.
14692 (forward_propagate_into_cond): Call simplify_cond.
14694 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
14696 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
14697 (*vec_extractv2di_1_sse): New.
14699 2006-01-09 Ben Elliston <bje@au.ibm.com>
14701 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
14703 2006-01-08 Richard Guenther <rguenther@suse.de>
14705 * tree-ssa-structalias.c (get_constraint_for): Remove
14706 anyoffset argument.
14707 (get_constraint_for_component_ref): Likewise.
14708 (do_deref): Likewise.
14709 (get_constraint_for): Likewise.
14710 (do_structure_copy): Likewise.
14711 (handle_ptr_arith): Likewise.
14712 (find_func_aliases): Likewise. Remove unused need_anyoffset
14715 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
14716 Kaz Kojima <kkojima@gcc.gnu.org>
14718 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
14719 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
14720 (EXTRA_CONSTRAINT_C16): Remove.
14721 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
14722 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
14723 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
14724 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
14725 constants of SHmedia. Handle nested constant expressions of
14727 (andcosts): Fix the costs for SHmedia constants.
14728 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
14729 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
14730 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
14731 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
14732 (movv4hi_i, movv2si_i): Likewise.
14733 (movsi_const): Adjust the second operand of ior so to match with
14734 the Csu constraint.
14735 (movdi_const, movdi_const_32bit): Likewise.
14736 (movdi_const_16bit+1): Don't sign-extend LOW.
14737 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
14739 (*double_shori): Fix the split condition. Use GEN_INT instead
14740 of get_int_mode calls. Mask lower 16-bit of the argument of
14742 (sym2GOTPLT): Remove.
14743 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
14745 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
14746 instead of EXTRA_CONSTRAINT_C16.
14748 2006-01-07 Ian Lance Taylor <ian@airs.com>
14749 David Edelsohn <edelsohn@gnu.org>
14751 PR rtl-optimization/25662
14752 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
14753 for constant operands instead of simplify_gen_binary.
14754 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
14755 after trying simplify_binary_operation
14757 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
14759 * tree.c (iterative_hash_expr): Hash decls based on UID.
14761 2006-01-06 Eric Christopher <echristo@apple.com>
14763 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
14764 (TARGET_UNWIND_EMIT): Fix spelling.
14765 * target.h (gcc_target): Add except_table_label.
14766 * except.c (output_function_exception_table): Use.
14767 * varasm.c (default_emit_except_table_label): New.
14768 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
14770 (asm_out): Add here.
14771 * output.h (default_emit_except_table_label): Prototype.
14772 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
14773 * config/darwin.c (darwin_emit_except_table_label): Define.
14774 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
14776 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
14778 PR tree-optimization/18527
14779 * tree-ssa-loop-niter.c (number_of_iterations_cond,
14780 number_of_iterations_special, number_of_iterations_exit):
14781 Move base and step of an iv to a single structure. Add
14782 no_overflow flag, and use it in # of iterations analysis.
14783 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
14784 folded_casts argument.
14785 (simple_iv): Pass base and step in a structure. Set no_overflow
14787 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
14788 Evaluate expensiveness of computing # of iterations instead of
14789 the final expression.
14790 * tree-scalar-evolution.h (affine_iv): New structure.
14791 (simple_iv): Declaration changed.
14792 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
14793 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
14794 find_givs_in_stmt): Changed due to simple_iv change.
14796 2006-01-06 Jeff Law <law@redhat.com>
14799 * tree-cfg.c (bsi_replace): Rename final argument from
14800 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
14801 change (stmt -> orig_stmt).
14802 * tree-eh.c (verify_eh_throw_stmt_node): New function.
14803 (bsi_remove): Add new argument. Remove EH information
14805 (verify_eh_throw_table_statements): New function.
14806 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
14808 * tree-optimize.c (execute_free_cfg_annotations): Verify
14809 the EH throw statement table after removing annotations.
14810 * except.h (verify_eh_throw_table_statements): Prototype.
14811 * tree-flow.h (bsi_remove): Update prototype.
14812 * tree-vrp.c (remove_range_assertions): Add new argument to
14814 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
14815 * tree-complex.c (expand_complex_div_wide): Likewise.
14816 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
14817 * tree-tailcall.c (eliminate_tailcall): Likewise.
14818 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
14819 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
14820 * tree-nrv.c (tree_nrv): Likewise.
14821 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
14822 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
14823 (combine_blocks): Likewise.
14824 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
14825 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
14826 (cleanup_control_flow): Likewise.
14827 (remove_forwarder_block): Likewise.
14828 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
14829 * tree-sra.c (sra_replace): Likewise.
14830 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
14831 (forward_propagate_single_use_vars): Likewise.
14832 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
14833 * tree-inline.c (expand_call_inline): Likewise.
14834 * tree-vect-transform.c (vect_transform_loop): Likewise.
14835 * tree-outof-ssa.c (rewrite_trees): Likewise.
14836 * tree-cfg.c (make_goto_expr_edges): Likewise.
14837 (cleanup_dead_labels): Likewise.
14838 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
14839 (bsi_move_before, bsi_move_after): Likewise.
14840 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
14841 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
14843 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
14846 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
14848 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
14849 on non gimple variables. Also add checks at the top for decls and
14851 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
14853 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
14854 and IMAGPART_EXPR for creating MUST_DEFs.
14855 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
14856 and NAME_MEMORY_TAG separately from the DECLs.
14858 2006-01-06 Richard Guenther <rguenther@suse.de>
14860 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
14861 annotation, if necessary.
14862 * tree-ssa-pre.c (create_expression_by_pieces): Remove
14863 redundant calls to update_stmt.
14864 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
14867 2006-01-05 Richard Henderson <rth@redhat.com>
14869 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
14871 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14873 * c-typeck.c: Update copyright date.
14875 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
14877 * c-typeck.c (build_c_cast): Always warn when casting
14878 from a pointer to an integer of different size, even if
14879 the node was constant.
14881 2006-01-05 Richard Guenther <rguenther@suse.de>
14883 PR tree-optimization/22555
14884 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
14885 if one structure field is an array.
14886 * tree-ssa-operands.c (get_expr_operands): Continue scanning
14887 operands even if we found a subvar, but ignore VOPs in this
14889 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
14891 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
14893 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
14895 PR middle-end/24998
14896 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
14898 2006-01-05 Richard Guenther <rguenther@suse.de>
14899 Diego Novillo <dnovillo@redhat.com>
14901 * tree-pass.h (TODO_remove_unused_locals): Define.
14902 * gimple-low.c (expand_var_p, remove_useless_vars,
14903 pass_remove_useless_vars): Remove. Update all users.
14904 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
14905 (remove_unused_locals): New function.
14906 * tree-flow.h (remove_unused_locals): Declare.
14907 * passes.c (execute_todo): Call remove_unused_locals if
14908 TODO_remove_unused_locals is set.
14909 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
14910 * tree-ssa-dce.c (pass_dce): Likewise.
14911 * tree-outof-ssa.c (pass_del_ssa): Likewise.
14913 2006-01-05 Richard Guenther <rguenther@suse.de>
14915 * tree-flow.h (struct fieldoff): Decompose field to
14916 type, size and decl.
14917 * tree-ssa-alias.c (create_sft): Take type as parameter.
14918 (create_overlap_variables_for): Store type, size and decl
14919 in the fieldoff structure.
14920 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
14921 of struct fieldoff.
14922 (push_fields_onto_fieldstack): Likewise.
14923 (create_variable_info_for): Likewise. Use offset for the
14924 SFT name if the decl is not available.
14926 2006-01-04 Paul Brook <paul@codesourcery.com>
14928 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
14930 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
14932 * lambda-code.c (can_put_in_inner_loop): Relax
14934 (can_put_after_inner_loop): New function.
14935 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
14936 (perfect_nestify): Change to make copies and modify uses.
14938 2006-01-04 Richard Henderson <rth@redhat.com>
14940 Merge from gomp branch:
14941 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
14942 via integer constant.
14943 (pragma_lex): Remove.
14944 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
14945 rather than parsing it.
14946 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
14947 handle_pragma_extern_prefix): Add %< %> quotes.
14948 (registered_pragmas): New.
14949 (c_register_pragma_1): New.
14950 (c_register_pragma): Use it.
14951 (c_register_pragma_with_expansion): Likewise.
14952 (c_invoke_pragma_handler): New.
14953 (init_pragma): Use cpp_register_deferred_pragma directly for
14955 * c-pragma.h (enum pragma_kind): New.
14956 (pragma_handler): New.
14957 (c_invoke_pragma_handler): Declare.
14958 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
14960 * c-common.h (c_common_pch_pragma): Update decl.
14961 * Makefile.in (c-parser.o): Update dependencies.
14962 (GTFILES): Add c-pragma.h.
14963 * c-parser.c (struct c_token): Add pragma_kind.
14964 (struct c_parser): Add in_pragma.
14965 (c_lex_one_token): Always initialize keyword and pragma_kind.
14966 Extract data for CPP_PRAGMA.
14967 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
14968 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
14969 Don't allow CPP_PRAGMA_EOL if in_pragma.
14970 (c_parser_consume_pragma): New.
14971 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
14972 (c_parser_skip_to_end_of_parameter): Likewise.
14973 (c_parser_skip_to_end_of_block_or_statement): Likewise.
14974 (c_parser_skip_to_pragma_eol): New.
14975 (c_parser_external_declaration): Handle CPP_PRAGMA.
14976 (c_parser_compound_statement_nostart): Likewise.
14977 (c_parser_statement_after_labels): Likewise.
14978 (c_parser_pragma): New.
14979 (pragma_lex): Likewise.
14980 (c_parser_pragma_pch_preprocess): New.
14981 (c_parser_new): Merge into ...
14982 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
14984 2006-01-04 Jeff Law <law@redhat.com>
14987 * tree-cfg.c (bsi_replace): Remove the original statement
14988 from the EH throw statement table.
14990 2006-01-04 Jakub Jelinek <jakub@redhat.com>
14992 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
14993 make the prototype extern "C" and add throw ().
14996 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
14997 and pos non-negative and pos + len <= 32.
14998 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
14999 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15000 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15003 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15004 as well as sizes not multiple of component size.
15007 * function.c (instantiate_expr): New function.
15008 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15009 walk its DECL_VALUE_EXPR with instantiate_expr.
15011 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15012 DW_OP_deref{,_size} if address isn't going to be added.
15014 2006-01-04 Ben Elliston <bje@au.ibm.com>
15016 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15017 * config/fp-bit.c: Likewise.
15019 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15021 * dominance.c: Add comment about why we use DFS numbering
15024 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15025 Richard Henderson <rth@redhat.com>
15027 Merge from gomp-branch:
15028 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15029 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15031 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15033 PR rtl-optimization/25578
15034 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15035 pass a parameter to simplify_shift_const if changing ASHIFTRT
15038 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15040 * builtins.c (get_builtin_sync_mem): New function.
15041 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15042 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15043 Call get_builtin_sync_mem to generate mem rtx.
15045 2006-01-03 Richard Guenther <rguenther@suse.de>
15048 * stmt.c (add_case_node): Make sure to clear overflow flags
15051 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15053 Merge from gomp-branch.
15054 * config/sparc/sync.md: New file.
15055 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15056 UNSPECV_LDSTUB): New constants.
15057 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15058 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15059 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15062 2006-01-03 Roger Sayle <roger@eyesopen.com>
15064 * combine.c (reg_subword_p): New predicate to test whether the
15065 destination of a set refers to a subword/piece of a register.
15066 (try_combine): Generalize the code to merge the setting of a
15067 pseudo to a constant followed by a set of a subword of that
15068 register to a constant.
15070 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15072 * basic-block.h (control_flow_graph): Change the type of
15073 x_label_to_block_map to VEC(basic_block,gc) *.
15074 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15075 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15077 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15078 VEC(basic_block,heap) *.
15079 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15080 ssa_prop_fini): Adjust the uses of cfg_blocks.
15082 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15084 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15086 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15087 hashing trees instead of a pointer hash.
15088 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15089 compare for MEM_EXPR.
15091 PR rtl-optimization/25130
15092 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15093 when comparing MEMs for GCSE
15095 2006-01-03 Ben Elliston <bje@au.ibm.com>
15097 * targhooks.h (default_decimal_float_supported_p): Declare.
15098 * targhooks.c (default_decimal_float_supported_p): Define.
15099 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15100 `default_decimal_float_supported_p'.
15101 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15103 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15105 * combine.c (apply_distributive_law <SUBREG>): Check
15106 TRULY_NOOP_TRUNCATION.
15108 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15110 * dwarf2out.c (have_switched_text_section): Delete.
15111 (have_multiple_function_sections): New.
15112 (have_location_lists): Make 'bool'.
15113 (add_AT_loc_list): Use 'true' not '1'.
15114 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15115 (output_loc_list): Use have_multiple_function_sections.
15116 (output_ranges): Likewise.
15117 (dwarf2out_begin_function): Set have_multiple_function_sections if
15119 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15120 Check function_section rather than DECL_SECTION_NAME.
15121 (dwarf2out_finish): Use have_multiple_function_sections.
15122 Don't clear have_location_lists.
15124 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15125 Jan Hubicka <jh@suse.cz>
15127 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15128 case of conditional jump jumping to the next instruction.
15129 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15130 cases of conditional jump jumping to the next instruction.
15132 2006-01-02 Jan Hubicka <jh@suse.cz>
15134 * i386.c (*_cost): Add COSTS_N_INSNS.
15135 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15137 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15140 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15142 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15144 * config/arm/arm.c (all_fpus): Fix comment typo.
15145 * config/darwin.c: Likewise.
15146 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15147 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15148 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15150 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15152 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15153 (rs6000_split_compare_and_swapqhi): New.
15154 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15155 (sync_compare_and_swapqhi_internal): New.
15156 * config/rs6000/rs6000-protos.h: Declare.